High-flow precise security filter
By introducing structures such as cylinder, upper cover, positioning plate and limiting ring into the precision security filter, the problem of easy blockage and inconvenience in replacement of the filter net is solved, and the rapid replacement of the filter element and efficient filtration are achieved.
Patent Information
- Application Number
- CN202422429472.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-09
AI Technical Summary
During use of the existing precision security filter, the filter mesh is easily blocked, resulting in reduced flow and reduced filtration effect, and inconvenient replacement of the filter element.
A high-flow precision security filter is designed, using a cylinder, upper cover, positioning plate, installation bolts, filter element and limit ring structure. The filter element is quickly replaced by threaded connections and compression springs to ensure tight and stable connections.
It realizes simple and quick replacement of the filter element, maintains the high flow performance and filtering effect of the filter element, and avoids damage to the filter element due to pressure changes.
Smart Images

Figure CN223170482U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filters, in particular to a large-flow precision security filter. Background Technique
[0002] For precision security filters, the cylinder shell is generally made of stainless steel, and tubular filters such as PP melt-blown, wire-wound, folded, titanium, and activated carbon filters are used as filter elements inside. Different filter elements are selected according to different filtration media and design processes to meet the requirements of the effluent water quality. The body can also be selected as a quick-install type to facilitate the quick replacement of the filter element and cleaning. This equipment is widely used in industries such as pharmaceuticals, chemicals, food, beverages, water treatment, brewing, petroleum, printing and dyeing, and environmental protection, and is an ideal equipment for filtering, clarifying, and purifying various liquids.
[0003] When the existing precision security filter is in use, due to the inconvenient replacement of the internal filtration structure, after long-term use, the filter screen becomes blocked, resulting in a decrease in flow rate and even a reduction in filtration effect, seriously affecting normal use. Therefore, the present utility model proposes a large-flow precision security filter to solve the above problems. Content of the Utility Model
[0004] The purpose of the present utility model is to provide a large-flow precision security filter to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the present utility model provides the following technical solution: A large-flow precision security filter, including a cylinder, an upper cover, an exhaust port, a water inlet, a water outlet, a sewage outlet, a base, a positioning plate, a positioning groove, mounting bolts, a filter element, and a limiting ring. The upper side of the cylinder is provided with an upper cover, both sides of the upper cover are provided with mounting plates, the cylinder is provided with positioning plates at positions corresponding to the mounting plates, positioning grooves are provided on both the positioning plates and the mounting plates, mounting bolts are provided in multiple positioning grooves, the upper side of the upper cover is provided with an exhaust port, the cylinder is provided with a water inlet near the upper cover, the cylinder is provided with a sewage outlet far from the upper cover, a filter element is provided inside the cylinder near the water inlet, and the size of the filter element is adapted to the size of the cylinder.
[0006] Preferably, a water outlet pipe is provided below the filter element, and a limiting ring is provided on the filter element near the water outlet pipe, and the limiting ring is threadedly connected to the water outlet pipe.
[0007] Preferably, two limiting plates are symmetrically provided on the limiting ring, a fixing seat is provided below the water outlet pipe, and limiting grooves are provided on the fixing seat at positions corresponding to the limiting plates, and the size of the limiting grooves is adapted to the size of the limiting ring.
[0008] Preferably, a plurality of compression springs are provided inside the fixing seat. One end of each of the plurality of compression springs is fixedly connected to the bottom of the fixing seat, and a pressing plate is provided at the end of each of the plurality of compression springs away from the bottom of the fixing seat.
[0009] Preferably, a through hole is provided at a position on the pressing plate corresponding to the water outlet pipe, and a drain pipe is provided inside the fixing seat near the pressing plate.
[0010] Preferably, a base is provided below the drain pipe, and a water outlet is provided on one side of the base adjacent to the drain pipe.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The structure of the present utility model is simple, and the method of replacing the filter element is simple and fast. Through the positioning plate and the mounting plate, it is ensured that the upper cover is tightly connected to the cylinder body. Through the exhaust port, it is ensured that the pressure inside the cylinder body will not change too much, resulting in damage to the filter element. Through the limiting ring and the fixing seat, it is ensured that the filter element has a certain degree of stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0013] Figure 2 is a schematic diagram of the upper cover structure of the present utility model;
[0014] Figure 3 is a schematic diagram of the filter element structure of the present utility model;
[0015] Figure 4 is a schematic diagram of the internal structure of the fixing seat of the present utility model.
[0016] In the figure: 1, cylinder body; 2, upper cover; 3, exhaust port; 4, water inlet; 5, water outlet; 6, sewage outlet; 7, base; 8, positioning plate; 9, positioning groove; 10, mounting bolt; 11, filter element; 12, limiting ring; 13, water outlet pipe; 14, limiting plate; 15, fixing seat; 16, limiting groove; 17, compression spring; 18, pressing plate; 19, drain pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0019] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0020] Please refer to Figures 1-4 , the present utility model provides a technical solution: a large-flow precision security filter, including a cylinder body 1, an upper cover 2, an exhaust port 3, a water inlet 4, a water outlet 5, a sewage outlet 6, a base 7, a positioning plate 8, a positioning groove 9, mounting bolts 10, a filter element 11, and a limiting ring 12. An upper cover 2 is provided on the upper side of the cylinder body 1. Mounting plates are provided on both sides of the upper cover 2. Positioning plates 8 are provided at positions corresponding to the mounting plates on the cylinder body 1. Positioning grooves 9 are provided on both the two positioning plates 8 and the mounting plates. Mounting bolts 10 are provided in multiple positioning grooves 9. An exhaust port 3 is provided on the upper side of the upper cover 2. A water inlet 4 is provided on the cylinder body 1 near the upper cover 2. A sewage outlet 6 is provided on the cylinder body 1 far from the upper cover 2. A filter element 11 is provided in the cylinder body 1 near the water inlet 4. The size of the filter element 11 is adapted to the size of the cylinder body 1.
[0021] In this embodiment, a water outlet pipe 13 is provided on the lower side of the filter element 11. A limiting ring 12 is provided on the filter element 11 near the water outlet pipe 13. The limiting ring 12 and the water outlet pipe 13 are connected by threads.
[0022] In this embodiment, two limiting plates 14 are symmetrically provided on the limiting ring 12. A fixing seat 15 is provided on the lower side of the water outlet pipe 13. Limiting grooves 16 are provided at positions corresponding to the limiting plates 14 on the fixing seat 15. The size of the limiting grooves 16 is adapted to the size of the limiting ring 12.
[0023] In this embodiment, a plurality of compression springs 17 are provided in the fixing seat 15. One ends of the plurality of compression springs 17 are fixedly connected to the bottom of the fixing seat 15. A pressing plate 18 is provided at one ends of the plurality of compression springs 17 far from the bottom of the fixing seat 15.
[0024] In this embodiment, a through hole is provided at a position on the pressing plate 18 corresponding to the water outlet pipe 13, and a drain pipe 19 is provided inside the fixing seat 15 near the pressing plate 18.
[0025] In this embodiment, a base 7 is provided on the lower side of the drain pipe 19, and a water outlet 5 is provided on one side of the base 7 adjacent to the drain pipe 19.
[0026] Working principle: The staff adds liquid into the cylinder body 1 through the water inlet 4, then filters it through the filter element 11, and then discharges the filtered water through the water outlet pipe 13, the drain pipe 19 and the water outlet 5, while the dirt is discharged through the sewage outlet 6. If the filter element 11 needs to be replaced, the upper cover 2 is separated from the cylinder body 1 through the mounting bolts 10, and then the filter element 11 is rotated so that the limiting plate 14 on the limiting ring 12 is aligned with the limiting groove 16, and then through the compression spring 17, the filter element 11 automatically pops out, and by rotating the limiting ring 12, the limiting ring 12 is separated from the filter element 11, and a new filter element 11 can be replaced.
[0027] It should be noted that: The whole device is controlled by the total control button. Since the devices matched with the control button are common devices and belong to the existing mature technologies, the electrical connection relationship and the specific circuit structure are not described herein again.
[0028] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A large-flow precision security filter, characterized in that, It includes a cylinder body (1), an upper cover (2), an exhaust port (3), a water inlet (4), a water outlet (5), a sewage outlet (6), a base (7), a positioning plate (8), a positioning groove (9), mounting bolts (10), a filter element (11) and a limiting ring (12). An upper cover (2) is provided on the upper side of the cylinder body (1). Mounting plates are provided on both sides of the upper cover (2). Positioning plates (8) are provided at positions corresponding to the mounting plates on the cylinder body (1). Positioning grooves (9) are provided on both the two positioning plates (8) and the mounting plates. Mounting bolts (10) are provided in multiple positioning grooves (9). An exhaust port (3) is provided on the upper side of the upper cover (2). A water inlet (4) is provided at a position on the cylinder body (1) close to the upper cover (2). A sewage outlet (6) is provided at a position on the cylinder body (1) far from the upper cover (2). A filter element (11) is provided at a position in the cylinder body (1) close to the water inlet (4). The size of the filter element (11) is adapted to the size of the cylinder body (1).
2. The high-flow precision security filter according to claim 1, wherein: A water outlet pipe (13) is provided on the lower side of the filter element (11). A limiting ring (12) is provided at a position on the filter element (11) close to the water outlet pipe (13). The limiting ring (12) and the water outlet pipe (13) are threadedly connected.
3. The large-flow precision security filter according to claim 2, wherein: Two limiting plates (14) are symmetrically provided on the limiting ring (12). A fixing seat (15) is provided on the lower side of the water outlet pipe (13). Limiting grooves (16) are provided at positions on the fixing seat (15) corresponding to the limiting plates (14). The size of the limiting grooves (16) is adapted to the size of the limiting ring (12).
4. The high-flow precision security filter according to claim 3, characterized in that: Multiple compression springs (17) are provided in the fixing seat (l5). One ends of the multiple compression springs (17) are fixedly connected to the bottom of the fixing seat (15). A pressing plate (18) is provided at one ends of the multiple compression springs (17) far from the bottom of the fixing seat (15).
5. The large-flow precision security filter according to claim 4, characterized in that: A through hole is provided at a position on the pressing plate (18) corresponding to the water outlet pipe (13). A drain pipe (19) is provided at a position in the fixing seat (15) close to the pressing plate (18).
6. The high-flow precision security filter according to claim 5, wherein: The drain pipe (19) is provided on the lower side of the base (7). A water outlet (5) is provided on one side of the base (7) adjacent to the drain pipe (19).
Citation Information
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