Filter element capable of reducing dripping
By combining the design of the outer shell, connector, filter element body, connecting mechanism, threaded head, hollow sleeve, sealing ring and anti-reverse component, the deformation and leakage problems caused by water pressure erosion between the filter element and the shell are solved, and the anti-leakage effect of the filter element is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU HO ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2025-06-06
- Publication Date
- 2026-05-12
AI Technical Summary
The existing filter element and the housing are in a sealed space. The internal water pressure will enter and exit at the joint and scour for a long time, which can easily cause deformation and lead to leakage.
It adopts a combination design of shell, connector, filter element body, connection mechanism, threaded head, hollow sleeve, sealing ring, check valve assembly and pressure relief assembly. Through the threaded connection and check valve, it controls the water flow direction, reduces water backflow and pressure erosion, and prevents deformation and leakage.
It effectively prevents deformation and leakage between the filter element and the housing, improving the safety and airtightness of the filter element.
Smart Images

Figure CN224220944U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter technology, specifically to a filter element that reduces dripping. Background Technology
[0002] A filter element is a component installed in a filtration device to separate substances. Its main function is to separate solid particles from liquids or gases, or to allow different substances to come into full contact, accelerate reaction time, and protect the normal operation of the equipment or ensure the cleanliness of the air.
[0003] In the comparative case, patent publication number CN213132243U discloses a filter element connector, including a filter connector and a mating connector. The filter connector has a mating connector on its left end, a filter element housed in its internal cavity, and a shock-absorbing seat on the left end of the filter element that snaps into the internal locking interface of the filter connector. Both the front and rear ends of the filter element are configured with tapered liquid guide ports, and a sealing ring is provided at the mating end of the filter connector and the mating connector. This utility model provides a filter element connector where the filter element is effectively fixed by snapping together at both ends, and the tapered liquid guide surfaces on both sides of the filter element effectively improve the efficiency of filter element feeding and discharging.
[0004] However, in implementing the relevant technology, the following problems were found with the above-mentioned filter element connector. In the comparative case, the filter element can be effectively fixed by snapping the two ends together. At the same time, the two sides of the filter element are set as conical liquid guiding surfaces, which effectively improves the feeding and discharging efficiency of the filter element. The existing filter element and the shell are in a closed space. The internal water pressure will enter and exit the connector and scour it for a long time, which can easily cause deformation and leakage, reducing the safety of the filter element.
[0005] Therefore, the filter element needs to be redesigned to effectively prevent the filter element from being in a sealed space with the housing. This would cause internal water pressure to enter and exit the joint, which could easily lead to deformation and leakage over time. Utility Model Content
[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a filter element that reduces dripping and has the advantage of good anti-leakage effect. This solves the problem that when the filter element and the housing are in a sealed space, the internal water pressure will enter and exit at the joint and scour for a long time, which can easily cause deformation and lead to leakage.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a filter element for reducing dripping, comprising;
[0008] The outer casing has a connector at its top and a filter element body installed inside the inner cavity of the outer casing. A connecting mechanism is threadedly connected to the top of the connector.
[0009] The connecting mechanism includes a threaded head, a hollow sleeve, and a sealing ring. The top of the connector is movably fitted with a threaded head, the top of the threaded head is connected to the hollow sleeve, and the surface of the threaded head is fitted with a sealing ring. Anti-reverse components are installed on the left and right sides of the inner cavity of the outer shell.
[0010] As a preferred embodiment of this utility model, the anti-reverse assembly includes an anti-reverse valve and a conical cover. Anti-reverse valves are installed on both the left and right sides of the inner cavity of the outer shell. The right side of the anti-reverse valve extends through the right side of the outer shell. The left side of the anti-reverse valve and the inner side of the outer shell are connected to the conical cover. The surface of the conical cover is fixedly connected to the inner side of the outer shell. The top of the front end of the outer shell is connected to a pressure relief assembly.
[0011] As a preferred embodiment of this utility model, the pressure relief assembly includes a connecting pipe and a shut-off valve. The top of the front end of the housing is connected to the connecting pipe, and the front end of the connecting pipe is equipped with a shut-off valve. The front end of the shut-off valve flows back to the drain pipe through a pipeline.
[0012] As a preferred embodiment of this utility model, anti-slip grooves are provided on both the left and right sides of the hollow sleeve surface, and the number of anti-slip grooves is several and evenly distributed.
[0013] As a preferred embodiment of this utility model, clamps are fixedly installed on the top and bottom of the outer shell surface, and the clamps are used in conjunction with the outer shell.
[0014] As a preferred embodiment of this utility model, the surface of the connector is provided with a helical thread, and the connector is used in conjunction with the threaded head.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] 1. This utility model, through the setting of the connecting mechanism, allows for the handheld hollow sleeve to be used with the threaded head to align and rotate the connector for installation. The threaded head is screwed into the surface of the connector, and the other end connects with the pipe. When water flows through the threaded head into the hollow sleeve, it increases the capacity space, reducing the pressure of the water flow from narrow to wide, thus releasing pressure and reducing the pressure on the connector. This achieves the effect of pressure relief and avoids the phenomenon of deformation caused by excessive water pressure when the connector is directly connected to the pipe. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This utility model Figure 1 3D view of the inner and outer shell structure;
[0019] Figure 3 This utility model Figure 23D view of the structure of the threaded head, hollow sleeve and sealing ring;
[0020] Figure 4 This utility model Figure 2 Three-dimensional view of the stop valve and conical cover structure.
[0021] In the diagram: 1. Outer shell; 2. Connector; 3. Filter element body; 4. Connecting mechanism; 41. Threaded head; 42. Hollow sleeve; 43. Sealing ring; 5. Check valve assembly; 51. Check valve; 52. Conical cover; 6. Pressure relief assembly; 61. Connecting pipe; 62. Shut-off valve; 7. Anti-slip groove; 8. Clamp. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] like Figures 1 to 4 As shown, the present invention provides a filter element for reducing dripping, comprising:
[0024] The outer shell 1 has a connector 2 connected to its top, and a filter element body 3 is installed inside the inner cavity of the outer shell 1. A connecting mechanism 4 is threadedly connected to the top of the connector 2.
[0025] The connecting mechanism 4 includes a threaded head 41, a hollow sleeve 42, and a sealing ring 43. The top of the connector 2 is threadedly fitted with the threaded head 41, the top of the threaded head 41 is connected to the hollow sleeve 42, and the surface of the threaded head 41 is fitted with the sealing ring 43. Anti-reverse components 5 are installed on the left and right sides of the inner cavity of the outer shell 1.
[0026] refer to Figure 3 The check valve assembly 5 includes a check valve 51 and a conical cover 52. The check valve 51 is installed on both the left and right sides of the inner cavity of the outer shell 1. The right side of the check valve 51 extends through the right side of the outer shell 1. The left side of the check valve 51 and the inner side of the outer shell 1 are connected to the conical cover 52. The surface of the conical cover 52 is fixedly connected to the inner side of the outer shell 1. The top of the front end of the outer shell 1 is connected to the pressure relief assembly 6.
[0027] As a technical optimization of this utility model, by setting the backflow preventer component 5, the water flow inside the outer shell 1 can be accurately entered into the backflow preventer valve 51 through the conical cover 52. The internal components of the backflow preventer valve 51 from backflowing after the water flow passes through, thereby realizing the control of the water flow and avoiding the water hammer effect caused by water backflow.
[0028] refer to Figure 4 The pressure relief assembly 6 includes a connecting pipe 61 and a shut-off valve 62. The top of the front end of the housing 1 is connected to the connecting pipe 61, and the shut-off valve 62 is installed at the front end of the connecting pipe 61. The front end of the shut-off valve 62 flows back to the drain pipe through a pipeline.
[0029] As a technical optimization of this utility model, by setting the pressure relief component 6, the shut-off valve 62 can be opened to allow the connecting pipe 61 to flow with the external pipe, thereby controlling the water pressure inside the outer shell 1. If too much water is squeezed out and cannot flow out, it will cause the outer shell 1 to expand, thus avoiding the phenomenon of deformation and cracking due to excessive water pressure inside the outer shell 1.
[0030] refer to Figure 3 The hollow sleeve 42 has anti-slip grooves 7 on both the left and right sides of its surface. There are several anti-slip grooves 7, which are evenly distributed.
[0031] As a technical optimization of this utility model, the anti-slip groove 7 can assist the hollow sleeve 42 in its work and increase frictional resistance, thus preventing slippage during the rotation of the hollow sleeve 42 by hand.
[0032] refer to Figure 1 The top and bottom surfaces of the outer casing 1 are fixedly installed with clamps 8, which are used in conjunction with the outer casing 1.
[0033] As a technical optimization of this utility model, the clamp 8 can assist the outer shell 1 in its operation and also serve as a reinforcement, preventing the outer shell 1 from expanding and deforming due to excessive water pressure inside.
[0034] refer to Figure 2 The surface of the connector 2 is provided with a slanted thread, and the connector 2 is used in conjunction with the threaded head 41.
[0035] As a technical optimization of this utility model, by setting the connector 2, the threaded head 41 can be assisted in installation, thus avoiding the inability of the threaded head 41 to be tightened and fixed with the connector 2.
[0036] The working principle and usage process of this utility model are as follows: During use, the hollow sleeve 42 is held in hand, causing the threaded head 41 to be positioned at the top of the connector 2. The threaded head 41 is rotated on its surface using the oblique thread for installation. The other end of the threaded head 41 is then connected to the pipe. When water flows through the threaded head 41 into the hollow sleeve 42, the narrow-to-wide opening increases the accommodating space, reducing the pressure of the water flow in the narrow path, thus releasing pressure. The water then flows through the threaded head 41 into the connector 2, reducing the scouring pressure. The water flows through the connector 2 into the housing 1 and is filtered by the filter element body 3 before flowing back into the conical cover 52. The conical cover 52 guides the filtered water into the check valve 51, which generates pressure through fluid flow. The pressure difference drives the valve disc to move. When the medium flows in the specified direction, the fluid pressure pushes the valve disc to open, allowing the medium to pass through. When the medium attempts to flow in the opposite direction, the valve disc closes under its own weight or spring force, preventing backflow. This ensures that water does not flow back after passing through the check valve 51, thus preventing water hammer. Water flows out normally through the check valve 51. Finally, the shut-off valve 62 is opened to connect the connecting pipe 61 to the external pipeline, releasing pressure at the uppermost part of the shell 1 near the connector 2. Water accumulation at the connector 2 can easily cause compression. When the shut-off valve 62 is opened, water flows into the pipeline through the connecting pipe 61, reducing the pressure of water compression at the connector 2. This ensures that the shell 1 as a whole will not deform, resulting in leakage or dripping.
[0037] In summary, this drip-reducing filter element works by using a housing 1, a connector 2, a filter element body 3, a connecting mechanism 4, a threaded head 41, a hollow sleeve 42, a sealing ring 43, and a check valve assembly 5. During use, the hollow sleeve 42 is held and aligned with the threaded head 41, then rotated to install the connector 2. The threaded head 41 is screwed into the surface of the connector 2, and the other end connects to the pipe. When water flows through the threaded head 41 into the hollow sleeve 42, it increases the space, reducing the pressure of the water flow and releasing pressure on the connector 2. This achieves pressure relief, preventing the connector 2 from being directly connected to the pipe and causing deformation due to excessive water pressure. It also solves the problem of existing filter elements being in a sealed space between the filter element and the housing, where internal water pressure can cause deformation and leakage over time due to prolonged scouring at the joint.
[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A filter element for reducing dripping, comprising: The outer shell (1) has a connecting joint (2) at its top and a filter element body (3) installed in the inner cavity of the outer shell (1). The connecting joint (2) has a connecting mechanism (4) connected to its top by a threaded connection. The connecting mechanism (4) is characterized in that it includes a threaded head (41), a hollow sleeve (42) and a sealing ring (43). The top of the connector (2) is movably fitted with the threaded head (41) by a thread. The top of the threaded head (41) is connected to the hollow sleeve (42). The surface of the threaded head (41) is fitted with a sealing ring (43). Anti-reverse components (5) are installed on the left and right sides of the inner cavity of the outer shell (1).
2. The filter element for reducing dripping according to claim 1, characterized in that: The check valve assembly (5) includes a check valve (51) and a conical cover (52). The check valve (51) is installed on both the left and right sides of the inner cavity of the outer shell (1). The right side of the check valve (51) penetrates the right side of the outer shell (1). The left side of the check valve (51) and the inner side of the outer shell (1) are connected to the conical cover (52). The surface of the conical cover (52) is fixedly connected to the inner side of the outer shell (1). The top of the front end of the outer shell (1) is connected to a pressure relief assembly (6).
3. A filter element for reducing dripping according to claim 2, characterized in that: The pressure relief assembly (6) includes a connecting pipe (61) and a shut-off valve (62). The top of the front end of the housing (1) is connected to the connecting pipe (61). The front end of the connecting pipe (61) is equipped with a shut-off valve (62). The front end of the shut-off valve (62) flows back to the drain pipe through a pipeline.
4. A filter element for reducing dripping according to claim 1, characterized in that: The hollow sleeve (42) has anti-slip grooves (7) on both the left and right sides of its surface. There are several anti-slip grooves (7) that are evenly distributed.
5. A filter element for reducing dripping according to claim 1, characterized in that: The top and bottom surfaces of the outer shell (1) are fixedly fitted with clamps (8), which are used in conjunction with the outer shell (1).
6. A filter element for reducing dripping according to claim 1, characterized in that: The surface of the connector (2) is provided with a slanted thread, and the connector (2) is used in conjunction with the threaded head (41).