Filter element convenient to replace for filter
By introducing a sealing cover and auxiliary components into the filter element, the sealing problem during filter element installation is solved, quick replacement and improved filtering effect are achieved, ensuring safety in use and reducing replacement costs.
Patent Information
- Application Number
- CN202422526913.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-18
AI Technical Summary
The existing filter element lacks a sealing structure during installation, which may cause liquid to leak from the connection, affecting the physical and mental health of the user. It is also inconvenient to replace, increasing costs and reducing service life.
A filter element structure including a shell, a sealing cover, a return spring, a telescopic column, a mounting plate and multiple filter components is designed. The sealing performance during installation is ensured by the setting of a sealing spring and a sealing gasket, and quick replacement is achieved through auxiliary components.
It realizes the quick and convenient replacement of the filter element, avoids liquid leakage, improves the safety of use and the filtering effect, enhances the corrosion resistance and strength of the filter element, and reduces the replacement cost.
Smart Images

Figure CN223324187U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filter equipment, in particular to a filter element which is easy to replace. Background Art
[0002] In the petrochemical industry, efficient filtration systems are crucial for ensuring production safety and product quality. Conventional filter elements are complex to replace, hindering production efficiency. To address this, a new, easily replaceable filter element has been developed. This element features a quick-release design, enabling rapid tool-free replacement, significantly reducing downtime. Furthermore, optimized materials and construction enhance the element's corrosion resistance and strength, making it suitable for the diverse chemical media encountered in petrochemical environments.
[0003] However, existing filter elements are often integrated connection designs, which cannot be easily disassembled and replaced. This results in rapid replacement of filter elements and high costs, which is not conducive to reducing replacement costs and increasing their service life.
[0004] Publication No. CN215462261U discloses a filter element that is easily replaceable. The filter element includes a mounting assembly for assembling the filter element and a connecting assembly for connecting a water pipe to the mounting assembly. The mounting assembly includes a filter cartridge, the top of which is provided with a through-hole for assembling the connecting assembly for connecting the water pipe to the mounting assembly, facilitating the introduction of water into the filter cartridge. The filter cartridge is filled with a filter element, and a water outlet pipe is connected to the bottom of the filter cartridge. The connecting assembly is installed at the open end of the filter cartridge. This utility model facilitates the rapid disassembly and replacement of the filter element at a later stage, improving the convenience of replacement and reducing damage to the power station's reused water filter.
[0005] Although the above patent makes it possible to quickly disassemble and replace the filter element at a later stage, thereby improving the convenience of replacement and reducing damage to the power station's recycled water filter; however, the device lacks a sealing structure during installation. After installation, the liquid inside the filter may flow out from the connection, affecting the user's physical and mental health.
[0006] Therefore, it is necessary to invent a filter that can be used to solve the above problems with a filter element that is easy to replace. Utility Model Content
[0007] (1) Technical problems solved
[0008] The technical problem solved by the utility model is to provide a filter element that is highly practical, can be easily replaced through simple operation, and has a relatively simple structure. It solves the problem raised in the above background technology that there is a lack of sealing structure during installation, and the liquid inside the filter may flow out from the connection after installation, affecting the physical and mental health of the user.
[0009] (2) Technical solution
[0010] To achieve the above objectives, the present invention is implemented through the following technical solutions: a filter element for a filter that is easy to replace, comprising a shell, a sealing cover threadedly connected to the top of the shell, a placement block fixedly connected to the bottom of the shell, an auxiliary component fixedly connected to the interior of the placement block, the auxiliary component comprising a reset spring, a telescopic column and a mounting plate, a connecting block plugged into the surface of the mounting plate, a filter element barrel fixedly connected to the top surface of the connecting block, a plurality of flow holes provided on the surface of the filter element barrel, a multi-filter assembly fixedly connected to the outside of the filter element barrel, the multi-filter assembly comprising an activated carbon filter layer, a thin film composite membrane layer, a polypropylene fiber layer and a filter mesh layer, a connecting cover fixedly connected to the interior of the sealing cover, an internal sealing assembly of the connecting cover, and the sealing assembly comprising several groups of sealing springs and sealing gaskets.
[0011] As a further solution of the present invention, the reset spring is fixedly connected to the inside of the placement block, the inside of the reset spring is fixedly connected to a telescopic column, one end of the telescopic column is fixedly connected to a mounting plate, and the reset spring is used to reset so that the filter cartridge can be spring-loaded and then replaced.
[0012] As a further solution of the present invention, the activated carbon filter layer is fixedly connected to the surface of the filter cartridge, the outer side of the activated carbon filter layer is fixedly connected to a thin film composite membrane layer, the outer side of the thin film composite membrane layer is fixedly connected to a polypropylene fiber layer, and the outer side of the polypropylene fiber layer is fixedly connected to a filter mesh layer, which is used to intercept large particle pollutants.
[0013] As a further solution of the present invention, several groups of sealing springs are fixedly connected to the inside of the connecting cover, and one end of several groups of sealing springs is fixedly connected to a sealing gasket, which is used to seal and prevent unfiltered water from flowing out of the interface.
[0014] As a further solution of the present invention, a water outlet pipe is connected to the interior of the connecting cover, and a thread is provided on the outer side of the water outlet pipe, which is used for discharging water.
[0015] As a further solution of the present invention, the other end of the sealing cover is connected with a water inlet pipe, and the outer side of the water inlet pipe is fixedly connected with a limiting plate, which is used for limiting.
[0016] As a further solution of the present invention, a plurality of groups of collars are fixedly connected to the outer side of the shell, and a fixing block is fixedly connected to the bottom of the collar, and the fixing block is used to place a reset spring.
[0017] (3) Beneficial effects
[0018] The utility model provides a filter element that is easy to replace and has the following beneficial effects:
[0019] 1. The filter uses an easy-to-replace filter element. Through the arrangement of auxiliary components and sealing components, when replacing the filter cartridge, unscrew the sealing cover, and the reset spring drives the telescopic column to reset, so that the mounting plate drives the filter cartridge to pop out, so that the filter cartridge can be replaced quickly and conveniently. When the filter cartridge is installed, the sealing spring inside the sealing cover is squeezed, so that the sealing gasket and the filter cartridge fit tightly, preventing unfiltered water from flowing out of the interface and affecting the use effect of the device.
[0020] 2. The filter uses an easy-to-replace filter element. Through the setting of multiple filter components, when in use, the filter mesh layer and polypropylene fiber layer can remove large particles in the water. The film composite layer can effectively remove dissolved salts, heavy metals and other tiny pollutants. The activated carbon layer can further remove possible residual odors and chemicals, and improve the taste of water. Through the setting of various filter layers, the filtering effect of the device can be further improved to ensure more comprehensive water purification. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the overall split structure of the utility model;
[0023] Figure 3 This is a schematic diagram of the sealing component structure of the utility model;
[0024] Figure 4 This is a schematic diagram of the structure of the multiple filter components of the utility model;
[0025] Figure 5 This is a schematic diagram of the auxiliary component structure of the utility model;
[0026] In the figure: 1. Shell; 2. Sealing cover; 3. Placement block; 4. Auxiliary component; 401. Return spring; 402. Telescopic column; 403. Mounting plate; 5. Connecting block; 6. Filter cartridge; 7. Multiple filter assembly; 701. Activated carbon filter layer; 702. Thin film composite membrane layer; 703. Polypropylene fiber layer; 704. Filter mesh layer; 8. Connecting cover; 9. Sealing assembly; 901. Sealing spring; 902. Sealing gasket; 10. Water outlet pipe; 11. Water inlet pipe; 12. Limiting plate; 13. Ring; 14. Fixing block. DETAILED DESCRIPTION
[0027] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0028] See also Figures 1 to 5 The utility model provides a technical solution: a filter element for easy replacement of the filter, comprising a housing 1, a sealing cover 2 being threadedly connected to the top of the housing 1, a placement block 3 being fixedly connected to the bottom of the housing 1, an auxiliary component 4 being fixedly connected to the interior of the placement block 3, and the filter element cartridge 6 being quickly replaced by the arrangement of the auxiliary component 4, the auxiliary component 4 comprising a reset spring 401, a telescopic column 402 and a mounting plate 403, a connection block 5 being plugged into and connected to the surface of the mounting plate 403, a filter element cartridge 6 being fixedly connected to the top surface of the connection block 5, and a surface of the filter element cartridge 6 being provided with a There are several groups of flow holes. The outer side of the filter cartridge 6 is fixedly connected to a multiple filter assembly 7. The setting of the multiple filter assembly 7 can improve the filtering effect of the device. The multiple filter assembly 7 includes an activated carbon filter layer 701, a thin film composite membrane layer 702, a polypropylene fiber layer 703 and a filter mesh layer 704. The interior of the sealing cover 2 is fixedly connected to a connecting cover 8. The internal sealing assembly 9 of the connecting cover 8 can prevent unfiltered liquid from flowing out of the connecting port through the setting of the sealing assembly 9. The sealing assembly 9 includes several groups of sealing springs 901 and sealing pads 902.
[0029] See also Figure 5 , the return spring 401 is fixedly connected to the inside of the placement block 3, the interior of the return spring 401 is fixedly connected to a telescopic column 402, one end of the telescopic column 402 is fixedly connected to a mounting plate 403, and the return spring 401 is used to reset so that the filter cartridge 6 can be replaced by the spring;
[0030] See also Figure 4 The activated carbon filter layer 701 is fixedly connected to the surface of the filter cartridge 6. The outer side of the activated carbon filter layer 701 is fixedly connected to a thin film composite membrane layer 702. The outer side of the thin film composite membrane layer 702 is fixedly connected to a polypropylene fiber layer 703. The outer side of the polypropylene fiber layer 703 is fixedly connected to a filter mesh layer 704. The filter mesh layer 704 is used to intercept large particles of pollutants.
[0031] See also Figure 3 , several groups of sealing springs 901 are fixedly connected to the inside of the connecting cover 8, and one end of the several groups of sealing springs 901 is fixedly connected to a sealing gasket 902, which is used to seal and prevent unfiltered water from flowing out of the interface;
[0032] See also Figure 2The interior of the connecting cover 8 is connected through a water outlet pipe 10, and the outer side of the water outlet pipe 10 is provided with a thread, and the water outlet pipe 10 is used to discharge water;
[0033] See also Figure 1 The other end of the sealing cover 2 is connected to the water inlet pipe 11, and the outer side of the water inlet pipe 11 is fixedly connected to the limit plate 12, which is used to limit the position;
[0034] See also Figure 1 Several groups of collars 13 are fixedly connected to the outside of the housing 1 , and a fixing block 14 is fixedly connected to the bottom of the collar 13 . The fixing block 14 is used to place the reset spring 401 .
[0035] In the present invention, the working steps of the device are as follows:
[0036] Step 1: When replacing the filter cartridge 6, unscrew the sealing cover 2, and the reset spring 401 drives the telescopic column 402 to reset, so that the mounting plate 403 drives the filter cartridge 6 to pop out, so that the filter cartridge 6 can be replaced quickly and conveniently. When the filter cartridge 6 is installed, the sealing spring 901 inside the sealing cover 2 is squeezed, so that the sealing gasket 902 and the filter cartridge 6 are tightly fitted, preventing unfiltered water from flowing out of the interface and affecting the use effect of the device;
[0037] Step 2: When in use, the filter mesh layer 704 and the polypropylene fiber layer 703 can remove large particles in the water, the thin film composite membrane layer 702 can effectively remove dissolved salts, heavy metals and other tiny pollutants, and the activated carbon filter layer 701 can further remove possible residual odors and chemicals, improving the taste of the water. By setting up various filter layers, the filtering effect of the device can be further improved to ensure more comprehensive water purification.
[0038] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system, and control system are not fully described. However, those skilled in the art can clearly understand the details of its power mechanism, power supply system, and control system on the premise that they understand the principle of the above-mentioned utility model. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art.
[0039] The standard parts used can be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.
[0040] Although the 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 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 element for a filter that is easy to replace, comprising a housing (1), characterized in that: The top of the housing (1) is threadedly connected to a sealing cover (2), the bottom of the housing (1) is fixedly connected to a placement block (3), the interior of the placement block (3) is fixedly connected to an auxiliary component (4), the auxiliary component (4) comprises a return spring (401), a telescopic column (402) and a mounting plate (403), the surface of the mounting plate (403) is plug-connected to a connection block (5), the top surface of the connection block (5) is fixedly connected to a filter cartridge (6), the surface of the filter cartridge (6) is provided with a There are several groups of flow holes. The outer side of the filter cartridge (6) is fixedly connected to a multiple filter assembly (7). The multiple filter assembly (7) includes an activated carbon filter layer (701), a thin film composite membrane layer (702), a polypropylene fiber layer (703) and a filter mesh layer (704). The interior of the sealing cover (2) is fixedly connected to a connecting cover (8). The internal sealing assembly (9) of the connecting cover (8) includes several groups of sealing springs (901) and sealing pads (902).
2. The filter element according to claim 1, wherein: The reset spring (401) is fixedly connected to the interior of the placement block (3); a telescopic column (402) is fixedly connected to the interior of the reset spring (401); and one end of the telescopic column (402) is fixedly connected to a mounting plate (403).
3. The filter element according to claim 1, which is easy to replace, is characterized in that: The activated carbon filter layer (701) is fixedly connected to the surface of the filter cartridge (6), the outer side of the activated carbon filter layer (701) is fixedly connected to a thin film composite membrane layer (702), the outer side of the thin film composite membrane layer (702) is fixedly connected to a polypropylene fiber layer (703), and the outer side of the polypropylene fiber layer (703) is fixedly connected to a filter mesh layer (704).
4. The filter element according to claim 1, wherein: Several groups of the sealing springs (901) are fixedly connected to the interior of the connection cover (8), and one end of the several groups of the sealing springs (901) is fixedly connected to a sealing gasket (902).
5. The filter element according to claim 1, which is easy to replace, is characterized in that: The interior of the connection cover (8) is connected through a water outlet pipe (10), and the outer side of the water outlet pipe (10) is provided with a thread.
6. The filter element according to claim 1, which is easy to replace, is characterized in that: The other end of the sealing cover (2) is connected to a water inlet pipe (11), and the outer side of the water inlet pipe (11) is fixedly connected to a limiting plate (12).
7. The filter element according to claim 1, which is easy to replace, is characterized in that: Several groups of collars (13) are fixedly connected to the outer side of the housing (1), and a fixing block (14) is fixedly connected to the bottom of the collar (13).
Citation Information
Patent Citations
Filter element convenient to replace
CN215462261U