Anti-falling structure for end cover of filter element

By designing the anti-detachment structure of the filter element end cap of the adjustment rod, adjustment plate, locking rod and limiting mechanism, the problems of the loose and fall of the end cap and the lack of the anti-detachment mechanism in the prior art are solved, and higher anti-detachment effect and use safety are achieved.

CN223026895UActive Publication Date: 2025-06-27XINXIANG JUJIN ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202422248314.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-06-27
Estimated Expiration
2034-09-13

AI Technical Summary

Technical Problem

The existing filter filter end cap is prone to loosening and falling off during long-term use, and lacks a suitable fast anti-locking mechanism and limiting mechanism, resulting in poor anti-detachment effect.

Method used

A filter filter element end cap anti-detachment structure including an adjustment rod, an adjustment plate, a locking rod and a limiting mechanism is designed. By combining the threads of the adjustment rod and the adjustment plate, the locking rod slides and is inserted into the locking hole to prevent the locking. The limiting mechanism passes through the limiting plate, limiting rod and spring to ensure that the adjusting rod is not affected by water flow during use.

Benefits of technology

It effectively improves the anti-detachment effect of the end cap, avoids loosening and falling off, enhances safety during use, and ensures stability through the limiting mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filter element end cover anti-falling structure which comprises a filter cartridge, a cover plate is detachably arranged on the upper end face of the filter cartridge, a water inlet pipe penetrates through the cover plate, a water outlet pipe penetrates through the bottom of the front end face of the filter cartridge, a filter element body is arranged in the filter cartridge, an end cover body is arranged at the top end of the filter element body, and the end cover body and the filter element body are detachably arranged. The end cover body and the filter cartridge are detachably arranged, an adjusting rod is rotatably arranged in the end cover body, adjusting plates are slidably arranged on the left side and the right side in the end cover body, adjusting holes corresponding to the adjusting rod are formed in the two adjusting plates, the adjusting rod is in threaded connection with the adjusting holes, and locking rods are symmetrically arranged on the sides, opposite to each other, of the two adjusting plates. Through holes corresponding to the locking rods are formed in the left end and the right end of the end cover body, locking holes corresponding to the locking rods are formed in the inner wall of the filter cartridge, a limiting mechanism corresponding to the adjusting rod is arranged in the end cover body, and through the design of the locking rods, the overall anti-falling effect of the end cover is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of filter element end caps, and more specifically, it relates to an anti - detachment structure for the end cap of a filter filter element. Background Art

[0002] A filter filter element end cap refers to a component used to enclose a filter filter element. It is usually made of plastic or metal and has the functions of fixing the filter element and connecting the filter element to the filter element housing. The filter element is installed corresponding to the external filter cartridge. After long - term use of the existing filter element, the fitting installation position of the end cap and the filter cartridge is prone to loosening and falling off, lacking a suitable quick anti - detachment locking mechanism. And when the device is in use, the connection position between the filter element and the end cap is bonded with glue, which is also prone to falling off after a long time. There is a lack of a suitable positioning and locking mechanism when installing the end cap of the filter element. In addition, when the device is in use, the quick anti - detachment locking mechanism is prone to deviation under the impact of water flow, affecting the anti - detachment effect, and lacking a suitable limiting mechanism. Summary of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the problems existing in the prior art, the utility model provides an anti - detachment structure for the end cap of a filter filter element to solve the technical problems that the fitting installation position of the end cap and the filter cartridge is prone to loosening and falling off, and lacking a suitable quick anti - detachment locking mechanism mentioned in the background art.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solution: an anti - detachment structure for the end cap of a filter filter element, including a filter cartridge, a cover plate is detachably arranged on the upper end surface of the filter cartridge, a water inlet pipe penetrates through the cover plate, a water outlet pipe penetrates through the bottom of the front end surface of the filter cartridge, a filter element body is arranged inside the filter cartridge, an end cap body is arranged at the top of the filter element body, the end cap body and the filter element body are detachably arranged, the end cap body and the filter cartridge are detachably arranged, an adjusting rod is rotatably arranged inside the end cap body, adjusting plates are slidably arranged on both the left and right sides inside the end cap body, adjusting holes are correspondingly opened on both adjusting plates for the adjusting rod, the adjusting rod is in threaded connection with the adjusting holes, locking rods are symmetrically arranged on the back sides of the two adjusting plates, through holes are correspondingly opened at both ends of the end cap body for a plurality of the locking rods, locking holes are correspondingly opened on the inner wall of the filter cartridge for a plurality of the locking rods, and a limiting mechanism is arranged inside the end cap body corresponding to the adjusting rod.

[0007] The utility model is further arranged such that a first connection hole is opened on the upper end surface of the cover plate, a plurality of the first connection holes are arranged in the circumferential direction, second connection holes are correspondingly opened on the upper end surface of the filter cartridge for a plurality of the first connection holes, and the first connection holes and the second connection holes are connected by bolts, which is convenient for installing and locking the cover plate.

[0008] The utility model is further configured such that positioning rods are provided on the upper end surface of the filter element body, a plurality of the positioning rods are provided, and positioning holes are respectively formed on the end cover body corresponding to the plurality of positioning rods to position the installation of the filter element body.

[0009] The utility model is further configured such that positioning rings are provided at the tops of the outer end surfaces of the plurality of positioning rods, and the positioning rods and the positioning rings are in threaded connection to achieve enhanced locking.

[0010] The utility model is further configured such that threaded holes are symmetrically formed on the adjusting rod, operating rods are respectively arranged inside the two threaded holes, and the operating rods and the threaded holes are in threaded connection to facilitate rotational adjustment.

[0011] The utility model is further configured such that sliding seal bearings are respectively arranged on the plurality of locking rods corresponding to the through holes to ensure the sealing effect at the positions of the through holes.

[0012] The utility model is further configured such that the limiting mechanism includes a limiting plate and a limiting rod, the limiting plate is installed inside the end cover body, the limiting rod is slidably installed on the limiting plate, and a limiting hole is formed on the outer end surface of the adjusting rod corresponding to the limiting rod to limit the adjusting rod.

[0013] The utility model is further configured such that a limiting ring is provided at the top end of the limiting rod, and a spring is connected between the limiting ring and the limiting plate to facilitate automatic reset of the limiting adjustment.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an anti - detachment structure for the end cover of a filter element, having the following beneficial effects:

[0016] 1. Through the design of the locking rod, the adjusting rod inside the end cover and the adjusting holes of the adjusting plate are in threaded fit, facilitating the sliding adjustment of the two side adjusting plates. The locking rod slides and adjusts relative to the through hole, and the locking rod correspondingly inserts into the locking hole on the inner wall of the filter cartridge, facilitating anti - detachment locking of the state after the end cover is installed, improving the overall anti - detachment effect of the end cover, and enhancing the safety during use.

[0017] 2. Through the design of the positioning ring, the positioning rod on the filter element body cooperates with the positioning hole on the end cover for positioning, and the positioning ring and the positioning rod are in threaded fit, achieving enhanced locking of the installation of the filter element body, improving the anti - detachment effect of the position of the filter element body, and avoiding loosening and falling off due to the loosening of the glued position during long - term use.

[0018] 3. Through the design of the limiting mechanism, the limiting rod of the limiting mechanism is arranged through the limiting plate relatively, and the limiting ring and the spring are arranged in cooperation, which is convenient for automatic resetting and pressing tightly after the lifting adjustment is completed, convenient for limiting and pressing tightly the adjusting rod, avoiding deviation of the adjusting rod caused by water impact during use, and ensuring stability. Description of the Drawings

[0019] Figure 1 Figure 6 is a schematic diagram of the overall structure of a preferred anti - detachment structure for the end cap of a filter element;

[0020] Figure 2 Figure 10 is a schematic diagram of the overall structure of a preferred anti - detachment structure for the end cap of a filter element without the cover plate installed;

[0021] Figure 3 Figure 14 is a schematic diagram of the filter cartridge structure of a preferred anti - detachment structure for the end cap of a filter element;

[0022] Figure 4 Figure 18 is a schematic diagram of the cooperation structure of the end cap body and the adjusting rod of a preferred anti - detachment structure for the end cap of a filter element;

[0023] Figure 5 Figure 22 is a schematic diagram of the cooperation structure of the adjusting plate, the locking rod and the sliding seal bearing of a preferred anti - detachment structure for the end cap of a filter element;

[0024] Figure 6 Figure Figure 2 is a partially enlarged schematic diagram of A in

[0025] In the figures: 1. Filter cartridge; 2. Cover plate; 3. Water inlet pipe; 4. Water outlet pipe; 5. Filter element body; 6. End cap body; 7. Adjusting rod; 8. Adjusting plate; 9. Adjusting hole; 10. Locking rod; 11. Through hole; 12. Locking hole; 13. First connection hole; 14. Second connection hole; 15. Positioning rod; 16. Positioning hole; 17. Positioning ring; 18. Threaded hole; 19. Operating rod; 20. Sliding seal bearing; 21. Limiting plate; 22. Limiting rod; 23. Limiting hole; 24. Limiting ring; 25. Spring. Detailed Embodiments

[0026] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0028] In the present utility model, unless otherwise specified, the directions such as "upper" and "lower" usually refer to the directions shown in the drawings, or to the vertical, perpendicular or gravitational directions; similarly, for the convenience of understanding and description, "left" and "right" usually refer to the left and right shown in the drawings; "inner" and "outer" refer to the inner and outer of the contour of each component itself, but the above direction terms are not used to limit the present utility model.

[0029] Please refer to Figures 1-6 , a structure for preventing the end cover of a filter element from falling off, which includes a filter cartridge 1. A cover plate 2 is detachably arranged on the upper end face of the filter cartridge 1. A water inlet pipe 3 penetrates through the cover plate 2. A water outlet pipe 4 penetrates through the bottom of the front end face of the filter cartridge 1. A filter element body 5 is arranged inside the filter cartridge 1. An end cover body 6 is arranged at the top of the filter element body 5. The end cover body 6 and the filter element body 5 are detachably arranged. The end cover body 6 and the filter cartridge 1 are detachably arranged. An adjusting rod 7 is rotatably arranged inside the end cover body 6. Adjusting plates 8 are slidably arranged on the left and right sides inside the end cover body 6. Adjusting holes 9 are correspondingly formed in the two adjusting plates 8 for the adjusting rod 7. The adjusting rod 7 is in threaded connection with the adjusting holes 9. Locking rods 10 are symmetrically arranged on the back sides of the two adjusting plates 8. Through holes 11 are correspondingly formed in the left and right ends of the end cover body 6 for a plurality of locking rods 10. Locking holes 12 are correspondingly formed in the inner wall of the filter cartridge 1 for a plurality of locking rods 10. A limiting mechanism is arranged inside the end cover body 6 corresponding to the adjusting rod 7.

[0030] In this embodiment, the filter element body 5 and the end cover body 6 are installed corresponding to the filter cartridge 1. During installation, the adjusting rod 7 is rotated. The adjusting rod 7 is in threaded cooperation with the adjusting holes 9 of the adjusting plates 8. The locking rods 10 on the adjusting plates 8 slide and adjust relative to the through holes 11, so that the locking rods 10 are inserted outward into the locking holes 12 to achieve anti-falling locking of the installation.

[0031] More specifically, the limiting mechanism limits the rotation of the adjusting rod 7.

[0032] Please refer to Figures 1-3 , as an implementation manner of the cover plate 2: A first connection hole 13 is formed on the upper end face of the cover plate 2. A plurality of first connection holes 13 are arranged in the circumferential direction. Second connection holes 14 are correspondingly formed on the upper end face of the filter cartridge 1 for a plurality of first connection holes 13. The first connection holes 13 and the second connection holes 14 are connected by bolts.

[0033] Specifically, the cover plate 2 is installed corresponding to the filter cartridge 1. The first connection holes 13 and the second connection holes 14 are aligned, and the bolts are passed through and tightened for fixation.

[0034] Please refer to Figure 2 , Figure 4 and Figure 6, as an embodiment of the filter element body 5: The upper end face of the filter element body 5 is provided with positioning rods 15. There are multiple positioning rods 15. Corresponding to the multiple positioning rods 15, positioning holes 16 are opened on the end cover body 6. At the top of the outer end faces of the multiple positioning rods 15, positioning rings 17 are provided. The positioning rods 15 and the positioning rings 17 are threadedly connected.

[0035] Specifically, the positioning rods 15 of the filter element body 5 are fitted and installed with the positioning holes 16 of the end cover body 6, and the positioning rings 17 and the positioning rods 15 are in threaded fit to lock the installation.

[0036] Please refer to Figure 2 , Figure 4 , Figure 5 and Figure 6 , as an embodiment of the adjusting rod 7 and the locking rod 10: Threaded holes 18 are symmetrically opened on the adjusting rod 7. Inside the two threaded holes 18, operating rods 19 are provided. The operating rods 19 and the threaded holes 18 are threadedly connected. On the multiple locking rods 10, sliding seal bearings 20 are provided corresponding to the through holes 11.

[0037] Specifically, the operating rods 19 are installed corresponding to the threaded rods, which facilitates the rotation operation of the adjusting rod 7. The sliding seal bearings 20 achieve sliding sealing of the positions of the locking rods 10 and the through holes 11.

[0038] Please refer to Figure 2 , Figure 4 and Figure 6 , as an embodiment of the limiting mechanism: The limiting mechanism includes a limiting plate 21 and a limiting rod 22. The limiting plate 21 is installed inside the end cover body 6. The limiting rod 22 is slidably installed on the limiting plate 21. A limiting hole 23 is opened on the outer end face of the adjusting rod 7 corresponding to the limiting rod 22. A limiting ring 24 is provided at the top of the limiting rod 22. A spring 25 is connected between the limiting ring 24 and the limiting plate 21.

[0039] Specifically, pull the limiting ring 24, pull out the limiting rod 22 upward, the spring 25 is stretched, rotate and adjust the adjusting rod 7. After the rotation adjustment is completed, release the limiting ring 24, the spring 25 retracts, and the limiting rod 22 resets and inserts into the limiting hole 23 to limit and tighten the rotation of the adjusting rod 7.

[0040] In summary, when the whole device is in use:

[0041] When in the assembled state of the end cover body 6 and the filter element body 5, the positioning rods 15 on the filter element body 5 are installed and positioned corresponding to the positioning holes 16 of the end cover body 6. After the positioning installation, the positioning rings 17 and the positioning rods 15 are in threaded fit to lock the installation, which facilitates the anti - detachment installation of the filter element body 5.

[0042] When in the installation state of the end cover body 6, the end cover body 6 is installed corresponding to the filter cartridge 1. The operating rod 19 and the threaded hole 18 are installed in threaded cooperation. Grasp the operating rod 19 and rotate the adjusting rod 7. The adjusting rod 7 and the adjusting hole 9 are in threaded cooperation. The locking rod 10 with the sliding seal bearing 20 is guided by cooperation with the through hole 11. The adjusting plate 8 drives the locking rod 10 to insert outward into the locking hole 12, so as to achieve anti-loosening reinforcement for the installation of the end cover body 6.

[0043] When in the limit adjustment state, before the adjusting rod 7 rotates and adjusts, lift the limit ring 24, pull out the limit rod 22 from the limit hole 23, and stretch the spring 25. After the rotation adjustment is completed, release the limit ring 24, and the spring 25 retracts, driving the limit rod 22 to reset and insert into the limit hole 23, so as to achieve limit tightening for the rotation state of the adjusting rod 7.

[0044] In all the solutions mentioned above, for the connection between two components, welding, bolt and nut connection, bolt or screw connection or other well-known connection methods can be selected according to the actual situation, which will not be elaborated one by one here. For those mentioned above that involve fixed connection, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood 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 filter element end cover anti-detachment structure, comprising a filter cartridge (1), characterized in that: The upper end surface of the filter cartridge (1) is detachably provided with a cover plate (2), a water inlet pipe (3) is passed through the cover plate (2), a water outlet pipe (4) is passed through the bottom of the front end surface of the filter cartridge (1), a filter element body (5) is provided inside the filter cartridge (1), an end cover body (6) is provided at the top of the filter element body (5), the end cover body (6) and the filter element body (5) are detachably provided, the end cover body (6) and the filter cartridge (1) are detachably provided, an adjusting rod (7) is rotatably provided inside the end cover body (6), and sliding means (7) are provided on both the left and right sides of the end cover body (6) An adjustment plate (8) is provided, and an adjustment hole (9) is provided on the two adjustment plates (8) corresponding to the adjustment rod (7). The adjustment rod (7) and the adjustment hole (9) are threadedly connected. Locking rods (10) are symmetrically provided on the back side of the two adjustment plates (8). Through holes (11) are provided on the left and right ends of the end cover body (6) corresponding to the plurality of locking rods (10). Locking holes (12) are provided on the inner wall of the filter cartridge (1) corresponding to the plurality of locking rods (10). A limiting mechanism is provided inside the end cover body (6) corresponding to the adjustment rod (7).

2. The filter element end cover anti-detachment structure according to claim 1, characterized in that: The upper end surface of the cover plate (2) is provided with a first connection hole (13), and a plurality of the first connection holes (13) are arranged in a circumferential direction; the upper end surface of the filter cartridge (1) is provided with a second connection hole (14) corresponding to the plurality of the first connection holes (13); the first connection hole (13) and the second connection hole (14) are connected by bolts.

3. The filter element end cover anti-detachment structure according to claim 1, characterized in that: The upper end surface of the filter element body (5) is provided with a positioning rod (15), and a plurality of the positioning rods (15) are provided. The end cover body (6) is provided with positioning holes (16) corresponding to the plurality of positioning rods (15).

4. The filter element end cover anti-detachment structure according to claim 3, characterized in that: A positioning ring (17) is provided on the top of the outer end surface of each of the plurality of positioning rods (15), and the positioning rods (15) and the positioning ring (17) are threadedly connected.

5. The filter element end cover anti-detachment structure according to claim 1, characterized in that: The adjusting rod (7) is symmetrically provided with threaded holes (18), and operating rods (19) are provided inside the two threaded holes (18). The operating rods (19) and the threaded holes (18) are threadedly connected.

6. The filter element end cover anti-detachment structure according to claim 5, characterized in that: A sliding sealing bearing (20) is provided on each of the plurality of locking rods (10) corresponding to the through hole (11).

7. The filter element end cover anti-detachment structure according to claim 1, characterized in that: The limiting mechanism comprises a limiting plate (21) and a limiting rod (22); the limiting plate (21) is mounted inside the end cover body (6); the limiting rod (22) is slidably mounted on the limiting plate (21); and a limiting hole (23) is provided on the outer end surface of the adjusting rod (7) corresponding to the limiting rod (22).

8. The filter element end cover anti-detachment structure according to claim 7, characterized in that: A limiting ring (24) is provided at the top end of the limiting rod (22), and a spring (25) is connected between the limiting ring (24) and the limiting plate (21).