A clog-resistant capsule filter

CN224628775UActive Publication Date: 2026-08-14SOURCE FILTER TECH (HANGZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2026-07-20
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

[0004]然而,传统的囊式过滤器,传统过滤器的结构设计是固定的,拆卸和维护困难,滤膜在长时间的使用会发生堵塞,流通量会下降无法对其进行快速拆卸更换,需要将整体进行更换,造成使用成本的提高,为此提出一种防堵塞囊式过滤器来解决上述问题

Benefits of technology

[0023]1、本实用新型中,快拆机构的设计使得过滤器的上壳体和下壳体能够快速分离,方便滤膜的更换,定位块和楔块的配合,以及复位弹簧的作用,确保了上壳体和下壳体的固定连接和拆卸,按压按块可以轻松推动楔块,使定位块脱离上壳体,实现快速拆卸。

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Abstract

This utility model relates to the field of capsule filters and discloses an anti-clogging capsule filter, including an upper shell. A lower shell is detachably mounted to the bottom of the upper shell via a quick-release mechanism. Mounting heads are fixedly connected to the outer walls of both the lower and upper shells. Exhaust heads are fixedly connected to the outer side walls of both the lower and upper shells. The quick-release mechanism includes a positioning block. A wedge is elastically connected to the inner wall of the top of the positioning block via a return spring. A push block is slidably connected through the inner wall of the bottom of the upper shell. In this utility model, the quick-release mechanism allows for rapid separation of the upper and lower shells of the filter, facilitating filter membrane replacement. The cooperation of the positioning block and wedge, along with the function of the return spring, ensures the fixed connection and disassembly of the upper and lower shells. Pressing the push block easily pushes the wedge, causing the positioning block to detach from the upper shell, achieving rapid disassembly.
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Description

Technical Field

[0001] This utility model relates to the field of capsule filters, specifically to an anti-clogging capsule filter. Background Technology

[0002] In the field of liquid filtration, anti-clogging capsule filters are an important filtration device widely used in industries such as chemical, pharmaceutical, and food.

[0003] It can effectively filter impurities in liquids, ensuring the quality and purity of the liquid, which is of great significance for the stability of the production process and the improvement of product quality.

[0004] However, traditional capsule filters have a fixed structural design, making disassembly and maintenance difficult. The filter membrane becomes clogged after prolonged use, reducing flow rate and necessitating complete replacement rather than quick disassembly, thus increasing operating costs. Therefore, an anti-clogging capsule filter is proposed to address these issues. Utility Model Content

[0005] The purpose of this invention is to provide an anti-clogging capsule filter.

[0006] The technical solution adopted by this utility model to solve the above problems is: an anti-clogging capsule filter, including an upper shell, a lower shell that is detachably installed at the bottom of the upper shell through a quick-release mechanism, an installation head that is fixedly connected to the outer wall of the lower shell and the upper shell, an exhaust head that is fixedly connected to the outer side wall of the lower shell and the upper shell, a connecting component that is provided on the side wall at the bottom of the lower shell, a filter membrane that is detachably installed between the upper shell and the quick-release mechanism, and a sealing ring that is provided on the inner wall at the bottom of the upper shell;

[0007] The quick-release mechanism includes a positioning block, and a wedge block is elastically connected to the inner wall of the top of the positioning block by a reset spring. A push block is slidably connected through the inner wall of the bottom of the upper housing.

[0008] As a further description of the above technical solution:

[0009] The connecting assembly includes a fixed base, a ball valve rotatably connected to the inner side wall of the fixed base, a rotating block fixedly connected to the rotation center shaft at the top of the ball valve, a connecting block fixedly connected to the top of the outer wall of the fixed base, and an insert block elastically connected to the inner side wall of the connecting block via a limiting spring.

[0010] As a further description of the above technical solution:

[0011] The positioning blocks are provided in two sets, and both sets of positioning blocks are fixedly connected to the surface of the top of the lower housing.

[0012] As a further description of the above technical solution:

[0013] One end of the reset spring is fixedly connected to the outer wall of the wedge block, and the other end of the reset spring is fixedly connected to the inner wall of the top of the positioning block.

[0014] As a further description of the above technical solution:

[0015] The wedge is slidably connected to the inner wall at the top of the positioning block, and the bottom end of the sealing ring is in contact with the surface of the lower housing.

[0016] As a further description of the above technical solution:

[0017] The inner wall of the bottom end of the upper housing is provided with a sliding groove, the outer wall of the positioning block is in contact with the inner wall of the sliding groove, the end of the sliding groove of the upper housing is provided with a slot hole, the outer wall of the wedge block is engaged with the inner wall of the slot hole, and the outer wall of the push block is in contact with the surface of the wedge block.

[0018] As a further description of the above technical solution:

[0019] The fixed base is fixedly connected to the side wall at the bottom of the lower housing. The rotating block passes through and is rotatably connected to the inner wall at the top of the fixed base. One end of the limiting spring is fixedly connected to the surface of the insert block, and the other end of the limiting spring is fixedly connected to the inner side wall of the connecting block.

[0020] As a further description of the above technical solution:

[0021] The insert is slidably connected to the inner wall of the connecting block, and the outer arc surface of the rotating block has a slot. The end of the insert is inserted into the inner wall of the slot.

[0022] Compared with the prior art, this utility model has the following advantages and effects:

[0023] 1. In this utility model, the design of the quick-release mechanism enables the upper and lower housings of the filter to be separated quickly, facilitating the replacement of the filter membrane. The cooperation of the positioning block and the wedge block, as well as the function of the return spring, ensure the fixed connection and disassembly of the upper and lower housings. Pressing the button can easily push the wedge block, causing the positioning block to detach from the upper housing, thus achieving quick disassembly.

[0024] 2. In this utility model, the ball valve and rotating block, along with the cooperation of the limiting spring and the insert block, enable the filter to perform a backflushing operation. When the filter membrane may become clogged, pulling the insert block and rotating the rotating block aligns the through hole of the ball valve with the center hole of the fixed seat. External equipment then backflushes the inside of the filter to remove impurities from the filter membrane. Attached Figure Description

[0025] Figure 1This is a schematic diagram of the overall three-dimensional structure of an embodiment of the present utility model.

[0026] Figure 2 This is a schematic diagram of the shell and lower shell in a separated state according to an embodiment of the present invention.

[0027] Figure 3 This is a partial cross-sectional view of the lower shell structure according to an embodiment of the present invention.

[0028] Figure 4 This is an embodiment of the present utility model. Figure 3 Enlarged structural diagram of section A.

[0029] Figure 5 This is a partial cross-sectional view of the bottom end of the upper shell according to an embodiment of the present invention.

[0030] Figure 6 This is a partial cross-sectional view of the connector block according to an embodiment of the present invention. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and through embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0032] See Figures 1-6 This embodiment describes an anti-clogging capsule filter, comprising an upper housing 1. A lower housing 3 is detachably mounted to the bottom of the upper housing 1 via a quick-release mechanism 2. The quick-release mechanism 2 allows for modular disassembly, enabling replacement of the internal filter membrane 7 and avoiding increased operating costs. Mounting heads 4 are fixedly connected to the outer walls of both the lower housing 3 and the upper housing 1. The presence of two sets of mounting heads 4 allows the filter assembly to be connected to the pipe to be filtered, enabling liquid to pass through the filter's interior and be filtered... After filtration, the liquid is discharged from the lower mounting head 4. The outer sidewalls of the lower housing 3 and the upper housing 1 are both fixedly connected to exhaust heads 5. By setting two sets of exhaust heads 5, the filter composed of the upper housing 1 and the lower housing 3 can be vented, thereby preventing air pressure in the water flow. The sidewall at the bottom of the lower housing 3 is provided with a connecting component 6. A filter membrane 7 is detachably installed between the upper housing 1 and the quick-release mechanism 2. The filter membrane 7 is existing technology. By setting the filter membrane 7, the liquid can be filtered. The inner wall at the bottom of the upper housing 1 is provided with a sealing ring 8.

[0033] Reference Figures 3-5The quick-release mechanism 2 includes positioning blocks 21, and two sets of positioning blocks 21 are provided. Both sets of positioning blocks 21 are fixedly connected to the surface of the top end of the lower housing 3. The positioning blocks 21 are L-shaped. The inner wall of the top end of the positioning blocks 21 is elastically connected to a wedge block 24 through a return spring 23. One end of the return spring 23 is fixedly connected to the outer wall of the wedge block 24, and the other end of the return spring 23 is fixedly connected to the inner wall of the top end of the positioning blocks 21. The function of the return spring 23 is to automatically reset the position of the wedge block 24 after it is pressed by the inner side of the bottom end of the upper housing 1 and pushed by the push block 22. The wedge block 24 is slidably connected to the inner wall of the top end of the positioning blocks 21. The bottom end of the sealing ring 8 is in contact with the surface of the lower housing 3. By providing the sealing ring 8, the position after the upper housing 1 and the lower housing 3 are connected can be stably sealed. The inner wall of the bottom end of the upper housing 1 is slidably connected to the push block 22. The surface of the upper housing 1 is provided with protrusions, so that the push block 22 can only move back and forth on the inner wall of the upper housing 1.

[0034] Reference Figure 4 and Figure 5 The inner wall of the bottom end of the upper housing 1 is provided with a sliding groove. The outer wall of the positioning block 21 is in contact with the inner wall of the sliding groove. The contact between the two allows the positioning block 21 to be inserted into the bottom end of the upper housing 1 when the upper housing 1 and the lower housing 3 are spliced. The positioning block 21 can be moved to the end of the inner wall of the sliding groove at the bottom end of the upper housing 1 by rotating the lower housing 3. The end of the sliding groove of the upper housing 1 is provided with a slot. The outer wall of the wedge 24 is engaged with the inner wall of the slot. The engagement between the two can fix the position of the upper housing 1 and the lower housing 3 after splicing. The outer wall of the press block 22 is in contact with the surface of the wedge block 24. By pressing the press block 22, the wedge block 24 can be pushed to move on the inner wall of the positioning block 21, thereby disengaging from the slot at the end of the sliding groove at the bottom end of the upper housing 1. At this time, the lower housing 3 is rotated in the opposite direction so that the positioning block 21 can rotate synchronously, thereby disengaging from the bottom end of the upper housing 1, so as to disassemble and replace the internal filter membrane 7.

[0035] Reference Figure 3 and Figure 6The connecting assembly 6 includes a fixed base 61, with a ball valve 62 rotatably connected to the inner side wall of the fixed base 61. The ball valve 62 has a through hole at its center, and by rotating, it can align with the center hole of the fixed base 61. This allows external equipment to be connected to the connector on the surface of the fixed base 61 for backflushing, thus preventing clogging of the filter membrane 7. A rotating block 63 is fixedly connected to the rotation center shaft at the top of the ball valve 62. A connecting block 64 is fixedly connected to the top of the outer wall of the fixed base 61. An insert block 66 is elastically connected to the inner side wall of the connecting block 64 via a limiting spring 65. The fixed base 61 is fixedly connected to the bottom of the lower housing 3. The rotating block 63 is rotatably connected to the inner wall of the top of the fixed seat 61. One end of the limiting spring 65 is fixedly connected to the surface of the insert block 66, and the other end of the limiting spring 65 is fixedly connected to the inner side wall of the connecting block 64. The function of the limiting spring 65 is to automatically reset the position of the insert block 66 after it is pulled outward. The insert block 66 is slidably connected to the inner wall of the connecting block 64. The outer arc surface of the rotating block 63 is provided with a slot. The end of the insert block 66 is inserted into the inner wall of the slot. The insertion between the two can drive the rotating block 63 to rotate the ball valve 62 in the fixed seat 61 to achieve flow and fix the position of closure.

[0036] Working principle: During installation, the positioning block 21 of the lower housing 3 is inserted into the groove at the bottom of the upper housing 1. The lower housing 3 is rotated to move the positioning block 21 in the groove. The wedge 24 at the top of the positioning block 21 is squeezed by the inner wall of the groove at the bottom of the upper housing 1 and moves along the inner wall of the positioning block 21. At the same time, the return spring 23 is compressed. When the positioning block 21 moves to the end of the groove, the wedge 24 is elastically engaged by the return spring 23 and gets into the slot at the end of the groove at the bottom of the upper housing 1, thus achieving a fixed connection between the upper housing 1 and the lower housing 3. The sealing ring 8 is located at the connection between the bottom of the upper housing 1 and the lower housing 3 to ensure the seal of the connection and prevent liquid leakage.

[0037] When disassembling, press the button 22 on the inner wall of the bottom end of the upper housing 1. The button 22 pushes the wedge 24 to overcome the elastic force of the return spring 23 and move on the inner wall of the positioning block 21, so that the wedge 24 disengages from the slot at the end of the slide groove at the bottom end of the upper housing 1. Then rotate the lower housing 3 in the opposite direction to drive the positioning block 21 to disengage from the bottom end of the upper housing 1, thereby separating the upper housing 1 and the lower housing 3, which facilitates the replacement of the internal filter membrane 7.

[0038] When the filter membrane 7 may become clogged, the insert block 66 can be pulled to disengage from the slot of the rotating block 63 at its current position, and the rotating block 63 can be rotated. By rotating the ball valve 62, its through hole can be aligned with the center hole of the fixed seat 61. The external equipment can then backflush the inside of the filter to remove impurities from the filter membrane 7, prevent the filter membrane 7 from becoming clogged, and ensure the normal filtration effect of the filter.

[0039] The above description in this specification is merely illustrative of the present invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not depart from the content of this specification or exceed the scope defined in the claims, all of which shall fall within the protection scope of this invention.

Claims

1. A clogging-proof bag filter comprising an upper housing (1), characterized in that: The bottom end of the upper housing (1) is detachably mounted with a lower housing (3) via a quick-release mechanism (2). The lower housing (3) and the outer wall of the upper housing (1) are both fixedly connected with mounting heads (4). The lower housing (3) and the outer side wall of the upper housing (1) are both fixedly connected with exhaust heads (5). The side wall at the bottom end of the lower housing (3) is provided with a connecting component (6). A filter membrane (7) is detachably mounted between the upper housing (1) and the quick-release mechanism (2). A sealing ring (8) is provided on the inner wall at the bottom end of the upper housing (1). The quick-release mechanism (2) includes a positioning block (21), and a wedge block (24) is elastically connected to the inner wall of the top of the positioning block (21) by a reset spring (23). A push block (22) is slidably connected to the inner wall of the bottom of the upper housing (1). The connecting assembly (6) includes a fixed seat (61), a ball valve (62) is rotatably connected to the inner side wall of the fixed seat (61), a rotating block (63) is fixedly connected to the rotation center shaft at the top of the ball valve (62), a connecting block (64) is fixedly connected to the top of the outer wall of the fixed seat (61), and an insert block (66) is elastically connected to the inner side wall of the connecting block (64) through a limiting spring (65). The positioning block (21) is provided in two sets, and both sets of the positioning block (21) are fixedly connected to the surface of the top of the lower housing (3); The inner wall of the bottom end of the upper housing (1) is provided with a sliding groove, the outer wall of the positioning block (21) is in contact with the inner wall of the sliding groove, the end of the sliding groove of the upper housing (1) is provided with a slot hole, the outer wall of the wedge (24) is engaged with the inner wall of the slot hole, and the outer wall of the push block (22) is in contact with the surface of the wedge (24). The fixed seat (61) is fixedly connected to the side wall at the bottom of the lower housing (3), the rotating block (63) passes through and is rotatably connected to the inner wall at the top of the fixed seat (61), one end of the limiting spring (65) is fixedly connected to the surface of the insert block (66), and the other end of the limiting spring (65) is fixedly connected to the inner side wall of the connecting block (64). The insert (66) is slidably connected to the inner wall of the connecting block (64), and the outer arc surface of the rotating block (63) is provided with a slot. The end of the insert (66) is inserted into the inner wall of the slot.

2. A non-clogging bag filter according to claim 1, characterized in that: One end of the reset spring (23) is fixedly connected to the outer wall of the wedge block (24), and the other end of the reset spring (23) is fixedly connected to the inner wall of the top of the positioning block (21).

3. The anti-clogging capsule filter according to claim 1, characterized in that: The wedge (24) is slidably connected to the inner wall of the top of the positioning block (21), and the bottom end of the sealing ring (8) is in contact with the surface of the lower housing (3).