Filter element mounting structure

The filter element installation design with a single bolt fastening structure solves the problem of cumbersome disassembly and assembly of existing hydraulic oil filters, realizes quick disassembly and assembly and efficient maintenance, and ensures the sealing and stability of the filter.

CN223381193UActive Publication Date: 2025-09-26XINXIANG ENSITE PURIFICATION EQUIP CO LTD
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Patent Information

Application Number
CN202422843984.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-09-26
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing hydraulic oil filters require multiple sets of bolts to be tightened during disassembly or assembly, which is cumbersome, time-consuming, and labor-intensive. They also lack the function of being easy to disassemble and assemble.

Method used

The filter element can be quickly disassembled and assembled by adopting a single-bolt fastening assembly structure. The combination of the pull plate, pull rod and fastening bolt is designed to achieve fast disassembly and assembly of the filter element. The support rod on the pull plate is connected to the pull rod, and the fastening bolt is threadedly connected to the bottom cover. The top cover can be fixed or removed by turning the fastening bolt.

Benefits of technology

It simplifies the disassembly and assembly process of the filter, reduces time and labor costs, improves maintenance efficiency, and ensures the sealing and long-term efficient operation of the filter.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filter element mounting structure, which relates to the technical field of filters, aims to solve the problem that a filter in the prior art is troublesome to mount and inconvenient to disassemble and assemble, and comprises a barrel, a pull disc, a pull rod and a fastening bolt, a top cover and a bottom cover are assembled on the barrel, a filter element is assembled in the barrel, a support rod is arranged on the pull disc, and the support rod is connected with the pull rod. The top end of the pull rod is provided with a clamping jaw buckled on the top cover; according to the filter disclosed by the utility model, the convenient and rapid disassembly and assembly functions are realized through the pull disc, the pull rod and the fastening bolt, and the top cover and the bottom cover are tightly fixed on the cylinder body, so that good sealing performance of the filter is ensured; the position of the pull disc and the fixing state of the pull rod to the top cover can be adjusted by rotating the fastening bolt, so that the filter element is convenient to fix and disassemble, the disassembly and assembly time is remarkably shortened, the filter element is more convenient to replace and clean, the equipment maintenance efficiency is effectively improved, and long-term efficient operation of the filter is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter element installation structure. Background Art

[0002] The filter is an indispensable device on the pipeline for conveying media and is widely used in various fields. The filter element is the heart of the filter and plays the main role in filtering impurities. After the medium passes through the filter cartridge, its impurities are blocked by the filter element. The filter element is generally installed in the filter in a detachable manner. When the filter element needs to be cleaned, just take out the detachable filter cartridge, handle it and reinstall it.

[0003] The hydraulic oil filters used on large equipment can intercept pollutants in the oil, keep the oil clean, and ensure the normal operation of the oil system. Most of the common hydraulic oil filters on the market currently have simple structures and have some functional deficiencies during use that need to be improved. For example, when disassembling or assembling the filter, multiple sets of bolts need to be tightened, which makes installation troublesome, labor-intensive and time-consuming, and is not easy to disassemble and assemble.

[0004] Therefore, the present application provides a filter element installation structure to meet the needs. Utility Model Content

[0005] The purpose of the present application is to provide a filter element installation structure, which adopts a single-bolt fastening assembly structure, which is simple to operate when disassembling or installing the filter and can improve the filter maintenance efficiency.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a filter element mounting structure, comprising a barrel, the barrel being a cylindrical shell that is transparent from top to bottom, a top cover being mounted on the top of the barrel, a bottom cover being mounted on the bottom of the barrel, a filter element being mounted between the top cover and the bottom cover, the filter element being cylindrical, the top of the filter element being transparent, and the bottom of the filter element being provided with a sealing cover, and further comprising:

[0007] A pull plate, wherein the pull plate has a ring array of support rods and a threaded hole at the center of the pull plate;

[0008] Pull rods, the pull rods are provided in multiple groups, the bottom ends of the pull rods are connected to the support rods, the top ends of the pull rods are provided with claws, and the claws are buckled on the edges of the top cover;

[0009] A fastening bolt is rotatably connected to the bottom surface of the bottom cover, and a threaded section is provided on the fastening bolt, and the threaded section is threadedly connected to the threaded hole.

[0010] By rotating the fastening bolt, the pull rod can be tightened through the pull disc, thereby fixing the top cover on the cylinder.

[0011] Preferably, a docking seat is provided at the bottom of the top cover, and the docking seat is adapted to the top opening of the filter element.

[0012] Preferably, a limiting ring is provided on the edge of the top surface of the top cover, and a limiting groove is provided on the bottom surface of the clamping claw. The limiting groove is matched with the limiting ring to limit the clamping claw.

[0013] Preferably, a through slot is provided at the bottom end of the pull rod, and the through slot is used for inserting the pull rod to facilitate disassembly and assembly.

[0014] Preferably, a stopper is provided at the bottom end of the support rod, and a space for the stopper to pass through is reserved in the through groove. The stopper is used to limit the pull rod and enhance the stability of the connection between the support rod and the pull rod.

[0015] Preferably, a boss is provided on the bottom cover, and a support block is provided on the top of the boss, and the support block is used to support the sealing cover at the bottom of the filter element. There are reinforcing ribs in a ring array between the boss and the bottom cover, and the bottom surface of the bottom cover is flush. The bottom of the boss is provided with a bottom-transparent rotation groove, and the fastening bolt is inserted into the rotation groove.

[0016] Preferably, a bolt cap is provided at the bottom of the fastening bolt, and the bolt cap is a hexagonal column. A transverse through-hole is provided on the bolt cap, which can be adapted to a wrench and an insertion rod, thereby improving operational convenience.

[0017] Preferably, a guide ring is provided at the bottom of the bottom cover, and guide grooves are evenly provided on the guide ring. The guide grooves are adapted to the support rods, and the guide grooves guide the support rods in the vertical direction.

[0018] Preferably, an upper blocking platform is provided on the bottom surface of the top cover, and a lower blocking platform is provided on the top surface of the bottom cover. The end face edges of the upper blocking platform and the lower blocking platform are both chamfered. The upper blocking platform and the lower blocking platform are both used to dock and seal the cylinder to ensure the sealing of the filter.

[0019] Preferably, a positioning groove is provided on the lower blocking platform, and a positioning block is provided on the bottom of the inner wall of the cylinder. The positioning groove is adapted to the positioning block to enhance the stability of the assembly of the bottom cover and the cylinder.

[0020] In summary, the technical effects and advantages of the utility model are:

[0021] The utility model realizes convenient and quick disassembly and assembly functions through the pull plate, pull rod and fastening bolts. The support rod on the pull plate is connected to the bottom end of the pull rod, the claw at the top of the pull rod is buckled on the edge of the top cover, and the fastening bolt is pressed against the bottom cover, so that the top cover and the bottom cover are tightly fixed to the cylinder body, ensuring good sealing of the filter; the fastening bolt is threadedly connected to the threaded hole on the pull plate, and the position of the pull plate can be adjusted by rotating the fastening bolt, and the fixing state of the pull rod to the top cover is adjusted, which is convenient for fixing and disassembling the filter element. There is no need to tighten multiple sets of bolts, which significantly reduces the disassembly and assembly time, reduces labor costs, makes replacement and cleaning of the filter element more convenient, effectively improves the equipment maintenance efficiency, and ensures long-term and efficient operation of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the top cover structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the bottom cover structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the pull plate structure of the utility model;

[0028] Figure 6 This is a schematic diagram of the fastening bolt structure of the utility model;

[0029] Figure 7 This is a schematic diagram of the pull rod structure of the present utility model.

[0030] In the figure: 1. Cylinder; 2. Top cover; 3. Bottom cover; 4. Pull plate; 5. Fastening bolt; 6. Pull rod; 7. Filter element; 20. Docking seat; 21. Limiting ring; 30. Boss; 31. Support block; 32. Guide ring; 33. Reinforcing rib; 34. Lower blocking platform; 35. Positioning groove; 40. Threaded hole; 41. Support rod; 42. Stop block; 50. Bolt cap; 51. Socket; 60. Claw; 61. Limiting groove; 62. Through groove. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Example: Reference Figure 1-7 The filter element mounting structure shown in the figure includes a barrel 1, which is a cylindrical shell that is transparent from top to bottom. The top of the barrel 1 is assembled with a top cover 2, and the bottom of the barrel 1 is assembled with a bottom cover 3. A cylindrical filter element 7 is assembled between the top cover 2 and the bottom cover 3. The top of the filter element 7 is transparent, and the bottom of the filter element 7 is provided with a sealing cover. There are six groups of support rods 41 in an annular array on the pull plate 4, and a threaded hole 40 is provided at the center of the pull plate 4. There are six groups of pull rods 6. The bottom ends of the pull rods 6 are connected to the support rods 41. The top ends of the pull rods 6 are provided with claws 60, which are buckled on the edge of the top cover 2.

[0033] The bottom surface of the bottom cover 3 is rotatably connected to a fastening bolt 5 , and the fastening bolt 5 is provided with a threaded section that is threadedly connected to the threaded hole 40 .

[0034] As an implementation method in this embodiment, in order to ensure the filtering effect, Figure 2 As shown, a docking seat 20 is provided at the bottom of the top cover 2 for docking with the top opening of the filter element 7 .

[0035] As an implementation method in this embodiment, in order to enhance the fastening effect of the claw 60 on the top cover 2, as shown in FIG. Figure 2 、 Figure 3 、 Figure 7 As shown, a limiting ring 21 is provided on the edge of the top surface of the top cover 2 , and a limiting groove 61 is provided on the bottom surface of the claw 60 , and the limiting groove 61 is adapted to the limiting ring 21 .

[0036] As an implementation method in this embodiment, in order to facilitate the assembly and disassembly of the pull rod 6 and the support rod 41, as shown in FIG. Figure 1 、 Figure 7 As shown, a through slot 62 is provided at the bottom end of the pull rod 6 , and the through slot 62 is used for inserting the pull rod 6 .

[0037] As an implementation method in this embodiment, in order to enhance the stability of the connection between the support rod 41 and the pull rod 6, as shown in FIG. Figure 2 、 Figure 5 As shown, a stopper 42 is provided at the bottom of the end of the support rod 41 , and a space for the stopper 42 to pass through is reserved in the through groove 62 , and the stopper 42 is used to limit the pull rod 6 .

[0038] As an implementation method in this embodiment, in order to support the filter element 7 when the bottom cover 3 is assembled, as shown in FIG. Figure 2 、 Figure 4 As shown, a boss 30 is provided on the bottom cover 3, and a support block 31 is provided on the top of the boss 30. The support block 31 is used to support the cover at the bottom of the filter element 7. There are reinforcing ribs 33 in a circular array between the boss 30 and the bottom cover 3. The bottom surface of the bottom cover 3 is flush, and a transparent rotation groove is provided at the bottom of the boss 30, and the fastening bolt 5 is inserted into the rotation groove.

[0039] As an implementation method in this embodiment, in order to facilitate the rotation and adjustment of the fastening bolt 5, as shown in FIG. Figure 2 、 Figure 6 As shown, a bolt cap 50 is provided at the bottom of the fastening bolt 5 . The bolt cap 50 is a hexagonal column and has a transversely penetrating insertion hole 51 formed on the bolt cap 50 .

[0040] As an implementation method in this embodiment, in order to improve the stability when adjusting the pull plate 4, as shown in FIG. Figure 1 、 Figure 2 、 Figure 4 As shown, a guide ring 32 is provided at the bottom of the bottom cover 3 , and guide grooves are evenly provided on the guide ring 32 . The guide grooves are adapted to the support rods 41 , and the guide grooves guide the support rods 41 in the vertical direction.

[0041] As an implementation method in this embodiment, in order to ensure the sealing of the filter, Figure 2 、 Figure 4 As shown, an upper blocking platform is provided on the bottom surface of the top cover 2, and a lower blocking platform 34 is provided on the top surface of the bottom cover 3. The end surface edges of the upper blocking platform and the lower blocking platform 34 are both chamfered, and the upper blocking platform and the lower blocking platform 34 are both used to dock and seal the cylinder 1.

[0042] As an implementation method in this embodiment, in order to enhance the stability of the connection between the bottom cover 3 and the cylinder 1, as shown in FIG. Figure 2 、 Figure 4 As shown, a positioning groove 35 is provided on the lower blocking platform 34, and a positioning block is provided on the bottom of the inner wall of the cylinder 1, and the positioning groove 35 is adapted to the positioning block.

[0043] The working principle of the utility model is as follows: when assembling the filter, the supporting block 31 on the bottom cover 3 supports the sealing cover at the bottom of the filter element 7, the filter element 7 is sent into the cylinder 1, the top cover 2 is put on the cylinder 1, and the docking seat 20 is docked with the top opening of the filter element 7, and the positioning groove 35 on the lower blocking platform 34 is docked with the positioning block at the bottom of the cylinder 1, and then the fastening bolt 5 is inserted into the rotating groove at the bottom of the bottom cover 3, and the pull plate 4 threadedly connected to the fastening bolt 5 moves accordingly, and the support rod 41 is docked with the guide groove on the guide ring 32, and then the through groove 62 at the bottom of the pull rod 6 is nested on the support rod 41, and the claw 60 is buckled on the edge of the top cover 2, so that the limit ring 21 is engaged with the limit groove 61, and then a wrench is used to rotate the bolt cap 50, or a rod is used to cooperate with the socket 51 and then By rotating the fastening bolt 5, the threaded section drives the pull plate 4 to move downward through the threaded hole 40, and the support rod 41 moves in the guide groove accordingly. As the pull plate 4 moves, the pull rod 6 is gradually driven to fasten the top cover 2 to the cylinder 1. During this process, the support rod 41 moves along the guide groove on the guide ring 32, and finally the fastening bolt 5 fastens the bottom cover 3 to the bottom of the cylinder 1. The limiting groove 61 cooperates with the limiting ring 21 to make the claw 60 fasten the top cover 2, and the stop block 42 limits the pull rod 6 on the outside of the through groove 62 to enhance the stability of the connection of the pull rod 6. The reinforcing rib 33 enhances the structural strength of the boss 30 to ensure the supporting stability of the filter element 7 by the support block 31. The positioning block cooperates with the positioning groove 35 to keep the position of the bottom cover 3 stable, which is convenient for rotating the fastening bolt 5.

[0044] The mechanical connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which belongs to common knowledge.

[0045] Components not described in detail herein are prior art.

[0046] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A filter element installation structure, comprising a barrel (1), the barrel (1) being a cylindrical shell that is transparent from top to bottom, a top cover (2) being mounted on the top of the barrel (1), a bottom cover (3) being mounted on the bottom of the barrel (1), a filter element (7) being mounted between the top cover (2) and the bottom cover (3), the filter element (7) being cylindrical, the top of the filter element (7) being transparent, and a sealing cover being provided on the bottom of the filter element (7), characterized in that: Also includes: A pull plate (4), wherein the pull plate (4) has a ring array of support rods (41), and a threaded hole (40) is provided at the center of the pull plate (4); Pull rods (6), the pull rods (6) are provided in multiple groups, the bottom ends of the pull rods (6) are connected to the support rods (41), the top ends of the pull rods (6) are provided with claws (60), and the claws (60) are buckled on the edge of the top cover (2); A fastening bolt (5) is rotatably connected to the bottom surface of the bottom cover (3), and a threaded section is provided on the fastening bolt (5), and the threaded section is threadedly connected to the threaded hole (40).

2. A filter element mounting structure according to claim 1, characterized in that: A docking seat (20) is provided at the bottom of the top cover (2), and the docking seat (20) is adapted to the top opening of the filter element (7).

3. The filter element installation structure according to claim 1, characterized in that: A limiting ring (21) is provided on the edge of the top surface of the top cover (2), and a limiting groove (61) is provided on the bottom surface of the clamping claw (60), wherein the limiting groove (61) is adapted to the limiting ring (21).

4. The filter element installation structure according to claim 1, characterized in that: A through slot (62) is provided at the bottom end of the pull rod (6), and the through slot (62) is used for inserting the pull rod (6).

5. The filter element installation structure according to claim 4, characterized in that: A stopper (42) is provided at the bottom of the end of the support rod (41), and a space for the stopper (42) to pass through is reserved in the through groove (62). The stopper (42) is used to limit the position of the pull rod (6).

6. The filter element installation structure according to claim 1, characterized in that: The bottom cover (3) is provided with a boss (30), and a support block (31) is provided on the top of the boss (30). The support block (31) is used to support the cover at the bottom of the filter element (7). A reinforcing rib (33) is provided in an annular array between the boss (30) and the bottom cover (3). The bottom surface of the bottom cover (3) is flush. A bottom transparent rotation groove is provided at the bottom of the boss (30), and the fastening bolt (5) is inserted into the rotation groove.

7. The filter element installation structure according to claim 1, characterized in that: A bolt cap (50) is provided at the bottom of the fastening bolt (5), and the bolt cap (50) is a hexagonal column. A transversely penetrating insertion hole (51) is provided on the bolt cap (50).

8. The filter element installation structure according to claim 1, characterized in that: A guide ring (32) is provided at the bottom of the bottom cover (3), and guide grooves are evenly provided on the guide ring (32). The guide grooves are adapted to the support rod (41), and the guide grooves guide the support rod (41) in the vertical direction.

9. The filter element installation structure according to claim 1, characterized in that: An upper blocking platform is provided on the bottom surface of the top cover (2), and a lower blocking platform (34) is provided on the top surface of the bottom cover (3). The end surface edges of the upper blocking platform and the lower blocking platform (34) are both chamfered. The upper blocking platform and the lower blocking platform (34) are both used to dock and seal the cylinder (1).

10. The filter element installation structure according to claim 9, characterized in that: A positioning groove (35) is provided on the lower blocking platform (34), and a positioning block is provided on the bottom of the inner wall of the cylinder (1), and the positioning groove (35) is adapted to the positioning block.