Quick disassembly and assembly type end cover assembly and air filter cartridge thereof

Abstract

The utility model belongs to the technical field of air filter cartridges, and particularly relates to a quick disassembly and assembly type end cover assembly and an air filter cartridge thereof. The connecting end cover is of an annular plate structure, and the inner circle end and the outer circle end of the connecting end cover are each provided with a plurality of first clamping blocks and second clamping blocks in the circumferential direction; the connecting chuck is of an annular plate structure, a plurality of first clamping grooves and second clamping grooves are formed in the positions, close to the bottoms of the inner circle end and the outer circle end of the connecting chuck, of the connecting chuck in the circumferential direction correspondingly, and the first clamping grooves and the second clamping grooves are used for being connected with the first clamping blocks and the second clamping blocks in a clamped mode correspondingly; and the elastic limiting structure is vertically and circumferentially arranged at the bottom of the connecting chuck and located above the first clamping groove. According to the utility model, the quick assembly of the air filter cartridge and an external air filter unit is realized, the air filter cartridge can be quickly separated only by applying a force to rotate the end cover when the air filter cartridge needs to be disassembled, and the advantages of time saving, labor saving and stable assembly are achieved.

Description

Technical Field

[0001] This utility model belongs to the field of air filter cartridge technology, and specifically relates to a quick-release end cap assembly and its air filter cartridge. Background Technology

[0002] An air filter cartridge is a device that uses porous filter materials to capture dust from a gas-solid two-phase flow and purify the gas. It delivers the purified air with low dust content into the room or equipment to ensure process requirements and air cleanliness.

[0003] When assembling existing air filter cartridges onto air filtration units, most of them use a hanging rod-type nut fixing structure, which makes disassembly and assembly cumbersome, time-consuming and labor-intensive. Summary of the Invention

[0004] The purpose of this utility model is to provide a quick-release end cap assembly and its air filter cartridge. First, the air filter cartridge is quickly assembled with the external air filtration unit by engaging with the first and second locking blocks and the first and second locking slots. Then, the first and second locking blocks are locked and positioned by the elastic limiting structure. When disassembly is required, the air filter cartridge can be quickly separated by simply rotating the end cap, achieving the advantages of saving time and effort and ensuring a stable assembly.

[0005] To solve the above-mentioned technical problems, this utility model provides a quick-release end cap assembly, comprising:

[0006] The connecting end cap is arranged in the form of a circular plate structure, and the inner and outer circular ends of the connecting end cap are respectively provided with a plurality of locking blocks one and locking blocks two in the circumferential direction;

[0007] The connecting chuck is arranged in a circular ring plate structure, and several slots one and slot two are respectively provided circumferentially near the bottom of the inner and outer circular ends of the connecting chuck. The slots one and slot two are respectively used to engage the card block one and card block two.

[0008] An elastic limiting structure is arranged vertically and circumferentially at the bottom of the connecting chuck and above the first slot. The first slot and the first block are vertically limited and fixed by the elastic limiting structure.

[0009] Preferably, the elastic limiting structure includes: a protrusion, a spring, a ball bearing, and a positioning hole; the protrusion is arranged above the first slot, and an axial slot is formed on the protrusion, the spring is assembled in the slot, one end of the spring is connected to the slot, and the other end is connected to the ball bearing, and the positioning hole is formed on the first slot.

[0010] Preferably, the spring is a compression spring, the ball is a round steel ball, and the positioning hole is a hemispherical hole.

[0011] Preferably, the first and second card blocks are wedge-shaped structures, and the first and second card slots are provided with wedge-shaped grooves for engaging the wedge blocks.

[0012] Preferably, the number of card blocks one is three, and the number of card blocks two is six.

[0013] Preferably, the bottom inner and outer sides of the connecting end cap are provided with annular raised edges for sealing the assembled filter element.

[0014] This utility model also provides an air filter cartridge, comprising: a quick-release end cap assembly, a filter screen, and a bottom end cap as described above; the upper end of the filter screen is fitted with the connecting end cap, and the lower end of the filter screen is fitted with the bottom end cap.

[0015] Preferably, it also includes lugs, which are circumferentially arranged on the outer circumference of the bottom end cap.

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] When this utility model is used on the above-mentioned end cap assembly, the connecting end cap can be screwed into the slots 1 and 2 on the connecting chuck of the external air filter unit through the first and second locking blocks. When the connecting end cap is rotated into place, the elastic limiting structure applies elastic force to limit and fix the first locking block, so as to realize the quick assembly of the air filter cartridge and the external air filter unit, achieving the advantages of saving time and effort and high assembly stability. Attached Figure Description

[0018] Figure 1 This is a front view of the structure of the connecting end cap of this utility model.

[0019] Figure 2 This is a bottom view of the structure of the connecting end cap of this utility model.

[0020] Figure 3 This is a front view of the structure of the connecting chuck of this utility model.

[0021] Figure 4 This is a bottom view of the structure of the connecting chuck of this utility model.

[0022] Figure 5 This is a structural diagram of an air filter cartridge according to the present invention.

[0023] Figure 6 This is a structural cross-sectional view of an air filter cartridge according to this utility model.

[0024] Figure 7 This is a partially enlarged structural diagram of an air filter cartridge according to this utility model.

[0025] In the diagram: 1-Connecting end cap, 11-Card block one, 12-Card block two, 13-Annular raised edge, 2-Connecting chuck, 21-Card slot one, 22-Card slot two, 3-Elastic limiting structure, 31-Raised block, 32-Ball, 33-Positioning hole, 4-Filter screen, 5-Bottom end cap, 51-Lump. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0027] like Figures 1-7 As shown, this utility model embodiment specifically provides a quick-release end cap assembly, including:

[0028] The connecting end cover 1 is arranged in the form of a circular plate structure, and the inner and outer circular ends of the connecting end cover 1 are respectively provided with a number of locking blocks 11 and locking blocks 12 in the circumferential direction;

[0029] The connecting chuck 2 is arranged in a circular ring plate structure, and several slots 1 21 and slot 2 22 are respectively provided in the circumferential direction near the bottom of the inner and outer circular ends of the connecting chuck 2. Slots 1 21 and slot 2 22 are used to engage the first block 11 and the second block 12 respectively.

[0030] The elastic limiting structure 3 is vertically and circumferentially arranged at the bottom of the connecting chuck 2 and above the slot 21. The elastic limiting structure 3 vertically limits and fixes the slot 21 and the block 11. When using the above end cap assembly, the connecting end cap 1 can be screwed into the slots 21 and 22 on the connecting chuck 2 of the external air filter unit through the blocks 11 and 12. When the connecting end cap 1 is rotated into place, the elastic limiting structure 3 applies an elastic force to limit and fix the block 11.

[0031] The elastic limiting structure 3 includes: a protrusion 31, a spring, a ball bearing 32, and a positioning hole 33. The protrusion 31 is positioned above the slot 21, and an axial slot is formed on the protrusion 31. A spring is fitted into the slot, with one end of the spring connected to the slot and the other end connected to the ball bearing 32. The positioning hole 33 is formed on the locking block 11. When the elastic limiting structure 3 is in use, i.e., when the connecting end cap 1 is screwed into the connecting chuck 2, the screwing into the locking block 11 applies a force to the spring fitted with the ball bearing 32. At this time, the spring is compressed, and the ball bearing 32 moves upward into the slot of the protrusion 31. When the positioning hole 33 on the locking block 11 is rotated to align directly below the ball bearing 32, the ball bearing 32, under the elastic force of the spring, moves downward and abuts against the positioning hole 33, thereby completing the positioning and locking of the locking block 11 and the slot 21.

[0032] The spring is a compression spring to enhance the vertical elastic force on the ball 32. The ball 32 is a round steel ball, and the positioning hole 33 is a hemispherical hole to enhance the contact and positioning effect between the round steel ball and the hemispherical hole.

[0033] The first locking block 11 and the second locking block 12 are designed as wedge blocks, and the first locking slot 21 and the second locking slot 22 are provided with wedge grooves for cooperating with the wedge blocks. Through the cooperation of the wedge blocks and the wedge grooves, they can be better adapted to the elastic limiting structure 3 and apply force to the spring and the ball 32.

[0034] Three card blocks (11) are placed, and six card blocks (12) are placed.

[0035] The bottom inner and outer sides of the connecting end cap 1 are provided with annular raised edges 13 for sealing the assembled filter element.

[0036] This utility model also specifically provides an air filter cartridge, including: a quick-release end cap assembly, a filter screen 4, and a bottom end cap 5 as described above; the upper end of the filter screen 4 is equipped with a connecting end cap 1, and the lower end of the filter screen 4 is equipped with a bottom end cap.

[0037] It also includes a lug 51, which is circumferentially arranged on the outer circumference of the bottom end cover 5. Since the connecting chuck 2 mounted on the external air filter unit is positioned high, the lug 51 can reduce the working height and make it easier for the operator to apply rotational force through the lug 51 to quickly assemble the air filter cartridge onto the connecting chuck 2 mounted on the external air filter unit without having to apply rotational force to the connecting end cover 1.

[0038] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. A quick disconnect end cap assembly, characterized by, include: The connecting end cap (1) is arranged in a circular ring plate structure, and the inner and outer circular ends of the connecting end cap (1) are respectively provided with a plurality of locking blocks one (11) and locking blocks two (12) in the circumferential direction. The connecting chuck (2) is arranged in a circular plate structure, and several slots one (21) and slot two (22) are provided circumferentially near the bottom of the inner and outer circular ends of the connecting chuck (2). The slots one (21) and slot two (22) are used to engage the card block one (11) and the card block two (12) respectively. The elastic limiting structure (3) is arranged vertically and circumferentially at the bottom of the connecting chuck (2) and above the first slot (21). The elastic limiting structure (3) vertically limits and fixes the first slot (21) and the first block (11).

2. A quick disconnect end cap assembly as in claim 1, wherein, The elastic limiting structure (3) includes: a protrusion (31), a spring, a ball (32) and a positioning hole (33); the protrusion (31) is arranged above the first slot (21), and a slot is axially opened on the protrusion (31). The spring is installed in the slot, so that one end of the spring is connected to the slot and the other end is connected to the ball (32). The positioning hole (33) is opened on the first slot (11).

3. A quick disconnect end cap assembly as in claim 2, wherein, The spring is a compression spring, the ball (32) is a round steel ball, and the positioning hole (33) is a hemispherical hole.

4. The quick-release end cap assembly as described in claim 1, characterized in that, The first card block (11) and the second card block (12) are wedge-shaped block structures, and the first card slot (21) and the second card slot (22) are provided with wedge-shaped grooves for cooperating with the wedge-shaped blocks.

5. The quick-release end cap assembly as described in claim 1, characterized in that, The number of card blocks one (11) is three, and the number of card blocks two (12) is six.

6. The quick-release end cap assembly as described in claim 1, characterized in that, The bottom inner and outer sides of the connecting end cap (1) are provided with annular raised edges (13) for sealing the assembly of the filter element.

7. An air filter cartridge, characterized in that, include: A quick-release end cap assembly, a filter screen (4), and a bottom end cap (5) as described in any one of claims 1 to 6; the upper end of the filter screen (4) is fitted with the connecting end cap (1), and the lower end of the filter screen (4) is fitted with the bottom end cap (5).

8. An air filter cartridge as described in claim 7, characterized in that, It also includes lugs (51), which are circumferentially arranged on the outer circumference of the bottom end cap (5).

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