Filter cartridge mounting structure of sewage filter tank

Abstract

The utility model discloses a filter cartridge installation structure of a sewage filter tank, which comprises a tank body, a filter cartridge installed in the tank body and a bearing structure, the upper end and the lower end of the filter cartridge are symmetrically provided with shroud rings, and a limiting structure is arranged on the outer side of the shroud ring at the top in the tank body. The limiting structure comprises a built-in ring, a fastener, a pushing and pressing piece and a rubber pad, the pushing and pressing piece is movably connected to the two sides of the top of the built-in ring through the fastener, and the rubber pad is arranged on the bottom side of the end of the pushing and pressing piece and makes contact with the top face of the hoop ring in an extruding mode; when the filter cartridge is installed, the filter cartridge can penetrate through the built-in ring and is placed on the bearing structure, then the fastener is tightened to limit and fix the top of the filter cartridge, the bearing structure carries out bearing butt joint on the bottom of the filter cartridge, under the action of the limiting structure and the bearing structure, stable installation of the filter cartridge is achieved, the installation operation is simple and rapid, and the installation efficiency is improved. And convenience is provided for replacement personnel.

Description

Technical Field

[0001] The utility model belongs to the technical field of filter cartridges, and in particular relates to a filter cartridge installation structure of a sewage filter tank. Background Art

[0002] In sewage treatment, sewage is often filtered through a filter cartridge in a filter tank. To ensure the filtering effect, personnel need to replace the filter cartridge regularly. After searching, a sewage filtering device that is easy to replace the filter element is recorded in a Chinese patent application with application number CN202320514709.8. In this patent, a spring assembly is provided at the bottom of the filter cartridge, and the filter cartridge is ejected by the spring assembly, thereby replacing the filter cartridge.

[0003] However, this design has certain shortcomings. The elastic force of the spring is uncontrollable, and the spring always exerts an upward thrust on the filter cartridge. The installation stability of the filter cartridge under this design cannot be guaranteed. Moreover, when installing the filter cartridge, it is necessary to continuously press down the filter cartridge, and the force is difficult to control. It is also not convenient to close the tank cover while pressing down the filter cartridge. Therefore, it is necessary to design a new filter cartridge installation structure to solve this problem. Utility Model Content

[0004] The utility model aims to provide a filter cartridge installation structure for a sewage filter tank, so as to solve the problems of insufficient installation stability and inconvenient installation of the filter cartridge in the cited patent proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filter cartridge installation structure and a supporting structure of a sewage filter tank, comprising a tank body and a filter cartridge installed inside the tank body, wherein hoops are symmetrically arranged at the upper and lower ends of the filter cartridge, and a limiting structure is arranged on the outside of the hoop at the top inside the tank body, wherein the limiting structure comprises a built-in ring, a fastener, a pushing plate and a rubber pad, wherein the pushing plate is movably connected to the top two sides of the built-in ring through the fastener, the rubber pad is arranged on the bottom side of the end of the pushing plate and is in compression contact with the top surface of the hoop, and the supporting structure comprises a supporting base, and the hoop at the bottom is placed on the supporting base.

[0006] Preferably, the limiting structure further comprises a threaded pile and a threaded connection groove, wherein the threaded pile is fixedly connected to the bottom end of the fastener, and the threaded connection groove is arranged inside the built-in ring and is threadably connected to the threaded pile.

[0007] Preferably, the fastener movably penetrates the pushing piece, and the top end is in extrusion contact with the pushing piece.

[0008] Preferably, the limiting structure further comprises a fixed connecting piece, and the fixed connecting piece is fixedly connected between the two sides of the built-in ring and the two side inner walls of the tank body.

[0009] Preferably, the supporting structure comprises a docking groove and a docking base, the docking groove is provided on the top surface of the supporting base, the docking base is arranged on the bottom surface of the hoop at the bottom and inserted into the interior of the docking groove.

[0010] Preferably, the supporting structure further comprises a supporting pad and an embedding groove, wherein the supporting pad is arranged at the bottom of the docking groove, and the embedding groove is opened at the top port of the docking groove.

[0011] Preferably, reinforcement components are symmetrically arranged on the front and rear inner walls of the built-in ring, and the reinforcement components include side grooves, extrusion blocks, connecting rods, connecting grooves and springs. The side grooves are opened on the front and rear inner walls of the built-in ring, and the extrusion blocks are slidably arranged inside the side grooves. The T-shaped connecting rod is fixed inside the side grooves and slides into the inside of the connecting grooves opened in the extrusion blocks. The spring is abutted and arranged between the side grooves and the extrusion blocks, and one side surface of the extrusion block is in extrusion contact with the hoop ring.

[0012] Preferably, the reinforcement assembly further comprises an inclined groove, which is provided on one side surface of the extrusion block and is inclined toward the hoop.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When installing the filter cartridge, it can be passed through the built-in ring and placed on the supporting structure. The fasteners are then tightened to limit and fix the top of the filter cartridge, while the supporting structure supports and docks the bottom of the filter cartridge. Under the action of the limiting structure and the supporting structure, the filter cartridge can be stably installed, and the installation operation is simple and quick, which provides convenience for the replacement personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front cross-sectional view of the utility model;

[0016] Figure 2 For this utility model Figure 1 A front cross-sectional view of one side of the middle limiting structure;

[0017] Figure 3 For this utility model Figure 1 A front cross-sectional view of one side of the middle supporting structure;

[0018] Figure 4 For this utility model Figure 1 A side cross-sectional view of the front end of the middle limit structure;

[0019] In the figure: 100, tank body; 200, filter cartridge; 300, hoop; 400, limiting structure; 401, built-in ring; 402, fastener; 403, push plate; 404, rubber pad; 405, threaded pile; 406, threaded connection groove; 407, fixed connection plate; 500, supporting structure; 501, supporting base; 502, docking groove; 503, docking base; 504, supporting pad; 505, embedded groove; 600, reinforcement component; 601, side groove; 602, extrusion block; 603, connecting rod; 604, connecting groove; 605, spring; 606, inclined groove. DETAILED DESCRIPTION

[0020] 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.

[0021] Example

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a filter cartridge installation structure of a sewage filter tank, comprising a tank body 100, a filter cartridge 200 installed inside the tank body 100, and a supporting structure 500. The filter cartridge 200 can filter sewage. Hoop rings 300 are symmetrically arranged at the upper and lower ends of the filter cartridge 200. A limiting structure 400 is arranged outside the hoop ring 300 at the top of the tank body 100. The limiting structure 400 can limit the hoop ring 300 at the top, thereby limiting the top of the filter cartridge 200. The limiting structure 400 includes a built-in ring 401, a fastener 402, a push sheet 403 and a rubber pad 404. When the filter cartridge 200 is installed, , it can be put into the interior of the built-in ring 401 together with the hoop 300, the pushing piece 403 is movably connected to the top two sides of the built-in ring 401 through the fastener 402, the rubber pad 404 is arranged on the bottom side of the end of the pushing piece 403, and the fastener 402 movably passes through the pushing piece 403, the fastener 402 can be tightened, so that the top of the fastener 402 pushes the pushing piece 403, and the rubber pad 404 at the bottom of the pushing piece 403 is squeezed and contacted with the top surface of the hoop 300, thereby limiting the top of the filter cartridge 200, the supporting structure 500 includes a supporting base 501, and the hoop 300 at the bottom is placed on the supporting base 501 to support the bottom of the filter cartridge 200.

[0023] In this embodiment, preferably, the limiting structure 400 also includes a threaded pile 405 and a threaded connection groove 406. The threaded pile 405 is fixedly connected to the bottom end of the fastener 402. The threaded connection groove 406 is opened inside the built-in ring 401 and is threadedly connected to the threaded pile 405 to achieve the connection between the fastener 402 and the built-in ring 401. The top of the threaded pile 405 will be blocked and limited by the top of the threaded connection groove 406 to prevent the fastener 402 from falling off.

[0024] In this embodiment, preferably, the limiting structure 400 also includes a fixed connecting piece 407 , which is fixedly connected between the two sides of the built-in ring 401 and the inner walls of the tank body 100 on both sides to fix the built-in ring 401 inside the tank body 100 .

[0025] In this embodiment, preferably, the supporting structure 500 includes a docking groove 502 and a docking base 503. The docking groove 502 is opened on the top surface of the supporting base 501 and is annular in a top view. The docking base 503 is arranged on the bottom surface of the hoop ring 300 at the bottom and is inserted into the interior of the docking groove 502. The docking base 503 is an annular structure that is compatible with the docking groove 502, which facilitates the docking base 503 to be snap-fitted with the docking groove 502.

[0026] In this embodiment, preferably, the supporting structure 500 also includes a supporting pad 504 and an embedding groove 505. The supporting pad 504 is arranged at the bottom of the docking groove 502, and the embedding groove 505 is opened at the top port of the docking groove 502. The embedding groove 505 has a funnel-shaped structure, which is convenient for inserting the docking base 503 into the interior of the docking groove 502.

[0027] In this embodiment, preferably, the inner walls of the front and rear sides of the built-in ring 401 are symmetrically provided with reinforcement components 600, and the reinforcement components 600 can reinforce the connection between the top hoop 300 and the built-in ring 401, and improve the limiting stability of the limiting structure 400 on the filter cartridge 200. The reinforcement component 600 includes a side groove 601, an extrusion block 602, a connecting rod 603, a connecting groove 604 and a spring 605. The side groove 601 is opened on the front and rear inner walls of the built-in ring 401, and the extrusion block 602 slides The T-shaped connecting rod 603 is arranged inside the side groove 601, fixed inside the side groove 601, and slides into the inside of the connecting groove 604 opened in the extrusion block 602, and the extrusion block 602 can slide inside the side groove 601 along the connecting rod 603. The spring 605 is abutted and arranged between the side groove 601 and the extrusion block 602. The rebound force of the spring 605 can push one side surface of the extrusion block 602 to be extruded and contacted with the hoop 300, thereby improving the limiting stability of the filter cartridge 200.

[0028] In this embodiment, preferably, the reinforcement component 600 also includes an inclined groove 606, which is provided on one side surface of the extrusion block 602 and inclined toward the hoop 300. When the filter cartridge 200 is inserted, the hoop 300 below will first be squeezed and contacted with the inclined groove 606 on the extrusion block 602, thereby pushing the extrusion block 602 to make way and shrink, thereby facilitating the smooth insertion of the filter cartridge 200.

[0029] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter cartridge installation structure for a sewage filter tank, comprising a tank body (100), a filter cartridge (200) installed inside the tank body (100), and a supporting structure (500), characterized in that: Hoop rings (300) are symmetrically arranged at the upper and lower ends of the filter cartridge (200); a limiting structure (400) is arranged on the outside of the hoop ring (300) at the top inside the tank body (100); the limiting structure (400) comprises an inner ring (401), a fastener (402), a push plate (403) and a rubber pad (404); the push plate (403) is movably connected to the top two sides of the inner ring (401) through the fastener (402); the rubber pad (404) is arranged on the bottom side of the end of the push plate (403) and is in compression contact with the top surface of the hoop ring (300); the supporting structure (500) comprises a supporting base (501); the hoop ring (300) at the bottom is placed on the supporting base (501).

2. The filter cartridge installation structure of a sewage filter tank according to claim 1, characterized in that: The limiting structure (400) further comprises a threaded pile (405) and a threaded connection groove (406), wherein the threaded pile (405) is fixedly connected to the bottom end of the fastener (402), and the threaded connection groove (406) is arranged inside the built-in ring (401) and is threadedly connected to the threaded pile (405).

3. The filter cartridge installation structure of a sewage filter tank according to claim 2 is characterized in that: The fastener (402) movably penetrates the push piece (403), and the top end is in compression contact with the push piece (403).

4. The filter cartridge installation structure of a sewage filter tank according to claim 1, characterized in that: The limiting structure (400) further comprises a fixed connecting piece (407), wherein the fixed connecting piece (407) is fixedly connected between two sides of the built-in ring (401) and two side inner walls of the tank body (100).

5. The filter cartridge installation structure of a sewage filter tank according to claim 1, characterized in that: The supporting structure (500) comprises a docking groove (502) and a docking base (503), wherein the docking groove (502) is provided on the top surface of the supporting base (501), and the docking base (503) is arranged on the bottom surface of the hoop (300) at the bottom and inserted into the interior of the docking groove (502).

6. The filter cartridge installation structure of a sewage filter tank according to claim 5, characterized in that: The supporting structure (500) further comprises a supporting pad (504) and an embedding groove (505), wherein the supporting pad (504) is arranged at the bottom of the docking groove (502), and the embedding groove (505) is opened at the top end of the docking groove (502).

7. The filter cartridge installation structure of a sewage filter tank according to claim 1, characterized in that: The inner walls on both sides of the built-in ring (401) are symmetrically provided with reinforcement components (600), and the reinforcement components (600) include side grooves (601), extrusion blocks (602), connecting rods (603), connecting grooves (604) and springs (605). The side grooves (601) are provided on the inner walls on both sides of the built-in ring (401), and the extrusion blocks (602) are slidably provided inside the side grooves (601). The T-shaped connecting rods (603) are fixed inside the side grooves (601) and slide into the connecting grooves (604) provided inside the extrusion blocks (602). The springs (605) are abuttedly provided between the side grooves (601) and the extrusion blocks (602), and one side surface of the extrusion blocks (602) is in extrusion contact with the hoop (300).

8. The filter cartridge installation structure of a sewage filter tank according to claim 7, characterized in that: The reinforcing assembly (600) further comprises an inclined groove (606), wherein the inclined groove (606) is formed on a surface of one side of the extrusion block (602) and is inclined toward the hoop (300).

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