A filter core quick release structure for a workshop air purification filter

The design of the movable block driven by the threaded rod and return spring, along with the L-shaped frame, solves the problems of the applicability of the air filter element structure and the ease of disassembly, enabling flexible fixing and quick disassembly of filter elements of various sizes.

CN224365059UActive Publication Date: 2026-06-16大连盛宇空调净化设备工程有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
大连盛宇空调净化设备工程有限公司
Filing Date
2025-06-23
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

The existing air filter cartridge structure cannot accommodate filter cartridges of different sizes and is not convenient for quick disassembly and maintenance.

Method used

The system uses a threaded rod to drive the movable block and U-shaped frame to adjust the spacing, and combines a return spring to drive the L-shaped frame to achieve quick disassembly. Multiple sizes of filter elements can be fixed and quickly disassembled through fixing and pop-out components.

Benefits of technology

It enables flexible fixing and quick disassembly of filter elements of different sizes, improving applicability and ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224365059U_ABST
    Figure CN224365059U_ABST
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Abstract

The utility model discloses a filter core quick -detach structure for purifying workshop air filter, relate to air filter technical field, the utility model discloses a filter core body and fixed subassembly, fixed subassembly includes cross support, and the four supporting arms of cross support all movably connect with the movable block, and one end of movable block is located cross support supporting arm outside and is fixedly connected with U -shaped support, still be provided with the ejector assembly on U -shaped support. The utility model drives movable block and U -shaped support to move relative to the supporting arm of cross support through the threaded rod, thereby changed the interval between U -shaped support, and the filter core body of different size is fixed conveniently, solved the inconvenient fixed problem of the filter core body of multiple sizes of current, and through the reset spring in the installation frame drive L type frame and filter core body to the outside of filter to move, and the filter core body is conveniently and quickly disassembled, and the inconvenient problem of the filter core body of current is quickly disassembled.
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Description

Technical Field

[0001] This utility model belongs to the field of air filter technology, and in particular relates to a quick-release structure for the filter element of an air filter for a cleanroom. Background Technology

[0002] An air filter is a device that removes pollutants from the air through physical or chemical means. It typically consists of a fan, a filter element, and a control system. It is commonly used in cleanrooms, operating rooms, sterile wards, laboratories, and other places. The filter element is the core structure of the air filter and is mainly used to filter and purify the air.

[0003] A document with publication number CN222342266U discloses an air filter cartridge structure for a filter, including a cylindrical barrel. The cylindrical barrel has a lid and an air inlet / outlet structure at both ends. The air inlet / outlet structure includes an air inlet cover and an air outlet pipe extending into the cylindrical barrel. The portion of the air outlet pipe inside the cylindrical barrel has multiple air holes. The cylindrical barrel contains multiple stacked filter media. The air inlet cover has multiple air inlets communicating with the cylindrical barrel. The air outlet pipe has a connecting flange for connecting to a blower.

[0004] However, it still has the following drawbacks in practical use:

[0005] 1. The air filter canister structure described above has a mounting plate connected to its cylindrical body. The cylindrical body is fixed inside the air filter by the mounting plate. However, since the size of the mounting plate is fixed, it can only be installed on cylindrical bodies of a specific size, which limits its applicability and practicality.

[0006] 2. The air filter canister structure described above typically has its cylindrical body fixed to a mounting plate with bolts, and the mounting plate is typically fixed inside the air filter with bolts. This makes it difficult to quickly disassemble the cylindrical body, thus hindering cleaning or maintenance of the cylindrical body.

[0007] To address these issues, we provide a quick-release filter element structure for air filters used in cleanrooms. Utility Model Content

[0008] The purpose of this utility model is to provide a quick-release filter element structure for an air filter in a cleanroom. A threaded rod drives the movable block and U-shaped frame to move relative to the support arm of the cross bracket, thereby changing the spacing between the U-shaped frames. This facilitates the fixing of filter element bodies of different sizes, solving the problem of existing systems that are inconvenient for fixing filter element bodies of various sizes. Simultaneously, a return spring within the mounting frame drives the L-shaped frame and filter element body to move outwards from the filter, facilitating quick disassembly of the filter element body and solving the problem of existing systems that are inconvenient for quick disassembly of the filter element body.

[0009] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0010] This utility model relates to a quick-release filter element structure for an air filter in a cleanroom, comprising a filter element body and a fixing assembly located at the rear of the filter element body. The fixing assembly includes a cross bracket located at the rear of the filter element body. Each of the four arms of the cross bracket has a movable block movably connected to it. Threaded rods are rotatably connected to the rear end face of the cross bracket, and second sliders are threaded onto each threaded rod. The front end of each second slider is fixedly connected to one side of the rear end face of the movable block. A U-shaped frame is fixedly connected to the end of each movable block located outside the arms of the cross bracket. A pop-out assembly is also provided on the U-shaped frame. The pop-out assembly includes a mounting frame fixedly connected inside the U-shaped frame. A third slider is movably connected inside the mounting frame via a return spring. An L-shaped frame is fixedly connected to the end of the third slider located outside the mounting frame. The transverse arms of the L-shaped frame are respectively engaged with the rear end face of the filter element body. A baffle is rotatably connected to the front end of each mounting frame, and the end of the baffle away from the mounting frame is engaged with the front end face of the filter element body.

[0011] A further feature of this invention is that a pad is fixedly connected to the center of the front end face of the cross bracket, the front end face of the pad is attached to the center of the rear end face of the filter element body, and fixing rods are fixedly connected to all four sides of the rear end face of the pad, with fixing plates welded to the rear ends of the fixing rods.

[0012] A further feature of this invention is that the grooves on the cross-shaped support arm are each movably connected to a first slider, one end of which passes through the groove and is fixedly connected to the movable block.

[0013] A further feature of this invention is that the movable block has a threaded blind hole, the first slider has a threaded through hole, a fastening bolt is threadedly connected to the threaded through hole, and one end of the fastening bolt is threadedly connected to the threaded blind hole.

[0014] A further feature of this invention is that: both sides of the rear end face of the cross bracket arm are fixedly connected to mounting seats, both ends of the threaded rod are rotatably connected to the mounting seats, and one end of the threaded rod is also fixedly connected to a knob.

[0015] A further feature of this invention is that a sliding rod is fixedly connected inside the mounting frame, a third slider is movably sleeved on the sliding rod, a return spring is located outside the sliding rod, and the two ends of the return spring are respectively fixedly connected to the inner front end of the mounting frame and the front end face of the third slider.

[0016] A further feature of this invention is that the horizontal support arm of the L-shaped frame is provided with a positioning hole for positioning with the rear end face of the filter element body.

[0017] A further feature of this invention is that an installation post is fixedly connected to the front end face of the mounting frame, one end of the baffle is movably sleeved on the installation post, and the other end of the baffle has a groove for engaging with the front end face of the filter element body.

[0018] This utility model has the following beneficial effects:

[0019] 1. This utility model, by setting a fixed component, rotates a knob, which drives a threaded rod to rotate synchronously. The threaded rod drives a movable block and a U-shaped frame to move through a second slider. When the distance between the U-shaped frames reaches a preset value, the knob is stopped, thus realizing the adjustment of the distance between the U-shaped frames. This facilitates the installation and fixing of filter cartridges of various sizes, increases its applicability, and improves its practicality.

[0020] 2. This utility model, by setting a pop-out component, rotates the baffle to separate the baffle from the filter element body. At this time, under the action of the return spring, the third slider drives the L-shaped frame to move towards the front end of the mounting frame, thereby causing the L-shaped frame to drive the filter element body to move towards the outside of the air filter. This achieves quick removal of the filter element body from the air filter, facilitating the disassembly, cleaning, or maintenance of the filter element body. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the overall structure of the present invention without a filter element.

[0024] Figure 3 This is a schematic diagram of the structure of the fixing component of this utility model.

[0025] Figure 4This is a structural disassembly diagram of the cross bracket and threaded rod of this utility model.

[0026] Figure 5 This is a structural disassembly diagram of the movable block of this utility model.

[0027] Figure 6 This is a schematic diagram of the structure of the pop-up component of this utility model.

[0028] Figure 7 This is a structural disassembly diagram of the mounting frame of this utility model.

[0029] Figure 8 This is a schematic diagram of the structure of the L-shaped frame of this utility model.

[0030] The attached diagram lists the components represented by each number as follows:

[0031] 1-Filter element body, 2-Fixing assembly, 201-Cross bracket, 202-Plate, 202a-Fixing rod, 202b-Fixing plate, 203-Moving block, 203a-First slider, 203b-Threaded blind hole, 203c-Threaded through hole, 203d-Fasting bolt, 204-Threaded rod, 204a-Second slider, 204b-Mounting base, 204c-Knob, 3-U-shaped bracket, 4-Pop-up assembly, 401-Mounting frame, 401a-Slide rod, 401b-Reset spring, 401c-Mounting post, 402-L-shaped bracket, 402a-Third slider, 402b-Positioning hole, 403-Baffle, 403a-Groove. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0033] Example 1

[0034] Please see Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, this is the first embodiment of the present invention. This embodiment provides a quick-release filter element structure for an air filter in a cleanroom, including a filter element body 1 and a fixing component 2 located behind the filter element body 1. The fixing component 2 includes a cross bracket 201, a movable block 203, and a threaded rod 204. The threaded rod 204 drives the movable block 203 and the U-shaped frame 3 to move relative to the support arm of the cross bracket 201, thereby changing the spacing between the U-shaped frames 3. This facilitates the fixing of filter element bodies 1 of different sizes and solves the problem that existing systems are not convenient for fixing filter element bodies 1 of various sizes.

[0035] Specifically, the cross bracket 201 is located at the rear of the filter element body 1. Movable blocks 203 are movably connected to each of the four arms of the cross bracket 201. Threaded rods 204 are rotatably connected to the rear end face of the cross bracket 201. Second sliders 204a are threaded onto each threaded rod 204. The front end of each second slider 204a is fixedly connected to one side of the rear end face of the movable block 203. A U-shaped frame 3 is fixedly connected to one end of each movable block 203 located outside the arms of the cross bracket 201. The cross bracket 201 is used to install the movable blocks 203, and the movable blocks 203 are used to install the U-shaped frames 3 and drive the U-shaped frames 3 to move, thereby adjusting the spacing of the U-shaped frames 3. The threaded rods 204 and the second sliders 204a are used to drive the movable blocks 203 to move, and the U-shaped frames 3 are used to install the filter element body 1.

[0036] Furthermore, a pad 202 is fixedly connected to the center of the front end face of the cross bracket 201. The front end face of the pad 202 is attached to the center of the rear end face of the filter element body 1. Fixing rods 202a are fixedly connected to all four sides of the rear end face of the pad 202. Fixing plates 202b are welded to the rear ends of the fixing rods 202a.

[0037] The first slider 203a is movably connected inside the slide groove on the arm of the cross bracket 201. One end of the first slider 203a passes through the slide groove and is fixedly connected to the movable block 203.

[0038] The movable block 203 has a threaded blind hole 203b, the first slider 203a has a threaded through hole 203c, and a fastening bolt 203d is threadedly connected inside the threaded through hole 203c. One end of the fastening bolt 203d is threadedly connected inside the threaded blind hole 203b.

[0039] Mounting bases 204b are fixedly connected to both sides of the rear end face of the cross bracket 201 arm. Both ends of the threaded rod 204 are rotatably connected to the mounting bases 204b. A knob 204c is also fixedly connected to one end of the threaded rod 204.

[0040] The operation process of this embodiment is as follows: Rotate the knob 204c, which drives the threaded rod 204 to rotate synchronously. The threaded rod 204 drives the movable block 203 and the U-shaped frame 3 to move through the second slider 204a. When the distance between the U-shaped frames 3 reaches the preset value, stop rotating the knob 204c. This realizes the adjustment of the distance between the U-shaped frames 3, which facilitates the installation and fixing of filter body 1 of various sizes.

[0041] Example 2

[0042] Please see Figure 1 , Figure 2 , Figure 6 , Figure 7 and Figure 8 As shown, this is the second embodiment of the present invention. This embodiment is based on the previous embodiment, but differs from the previous embodiment in that: the U-shaped frame 3 is also provided with a pop-out component 4. The pop-out component 4 includes a mounting frame 401, an L-shaped frame 402 and a baffle 403. The return spring 401b in the mounting frame 401 drives the L-shaped frame 402 and the filter element body 1 to move to the outside of the filter, which facilitates the quick disassembly of the filter element body 1 and solves the problem of the existing inconvenience in quickly disassembling the filter element body 1.

[0043] Specifically, the rear end of the mounting frame 401 is fixedly connected to the U-shaped frame 3. Inside the mounting frame 401, a third slider 402a is movably connected via a return spring 401b. An L-shaped frame 402 is fixedly connected to one end of the third slider 402a located outside the mounting frame 401. The transverse arms of the L-shaped frame 402 are respectively engaged around the rear end face of the filter element body 1. A baffle 403 is rotatably connected to the front end of the mounting frame 401. The end of the baffle 403 away from the mounting frame 401 is respectively engaged around the front end face of the filter element body 1. The mounting frame 401 is configured to install the L-shaped frame 402, baffle 403, and other structures. The return spring 401b is configured to drive the third slider 402a to move spontaneously to the initial position. The L-shaped frame 402 is configured to engage the rear end of the filter element body 1. The third slider 402a is configured to drive the L-shaped frame 402 to move. The baffle 403 is configured to engage the front end of the filter element body 1.

[0044] Furthermore, a slide rod 401a is fixedly connected inside the mounting frame 401, and a third slider 402a is movably sleeved on the slide rod 401a. A return spring 401b is located outside the slide rod 401a, and the two ends of the return spring 401b are fixedly connected to the inner front end of the mounting frame 401 and the front end face of the third slider 402a, respectively. When the filter body 1 is located inside the air filter, the return spring 401b is in a stretched state.

[0045] The L-shaped frame 402 has a positioning hole 402b on its horizontal support arm for positioning with the rear end face of the filter element body 1. The rear end of the filter element body 1 is also provided with a positioning post that cooperates with the positioning hole 402b.

[0046] Mounting post 401c is fixedly connected to the front end face of mounting frame 401. One end of baffle 403 is movably sleeved on mounting post 401c. The other end of baffle 403 is provided with groove 403a for engaging with the front end face of filter element body 1. Protrusions that cooperate with groove 403a are provided around the front end of filter element body 1.

[0047] The rest of the structure is the same as in Example 1.

[0048] The operation process of this embodiment is as follows: rotate the baffle 403 to separate the baffle 403 from the filter body 1. At this time, under the action of the reset spring 401b, the third slider 402a drives the L-shaped frame 402 to move towards the front end of the mounting frame 401, thereby causing the L-shaped frame 402 to drive the filter body 1 to move towards the outside of the air filter, thus realizing the quick removal of the filter body 1 from the air filter.

[0049] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0050] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it.

Claims

1. A quick-release filter element structure for an air filter in a cleanroom, comprising a filter element body (1) and a fixing assembly (2) located behind the filter element body (1), characterized in that: The fixing component (2) includes a cross bracket (201) located behind the filter element body (1), and each of the four arms of the cross bracket (201) is movably connected to a movable block (203). Threaded rods (204) are rotatably connected to the rear end face of the cross bracket (201), and a second slider (204a) is threaded onto each threaded rod (204). The front end face of the second slider (204a) is fixedly connected to one side of the rear end face of the movable block (203), and a U-shaped frame (3) is fixedly connected to one end of the movable block (203) located outside the arms of the cross bracket (201). A pop-out component is also provided on the U-shaped frame (3). (4), and the pop-out component (4) includes a mounting frame (401) fixedly connected in the U-shaped frame (3). The interior of the mounting frame (401) is movably connected to a third slider (402a) via a reset spring (401b). The end of the third slider (402a) located outside the mounting frame (401) is fixedly connected to an L-shaped frame (402). The transverse support arms of the L-shaped frame (402) are respectively engaged around the rear end face of the filter element body (1). The front end of the mounting frame (401) is rotatably connected to a baffle (403). The end of the baffle (403) away from the mounting frame (401) is respectively engaged around the front end face of the filter element body (1).

2. The quick-release filter element structure for an air filter in a cleanroom according to claim 1, characterized in that, A pad (202) is fixedly connected to the center of the front end face of the cross bracket (201), and the front end face of the pad (202) is attached to the center of the rear end face of the filter element body (1). Fixing rods (202a) are fixedly connected to all four sides of the rear end face of the pad (202), and fixing plates (202b) are welded to the rear ends of the fixing rods (202a).

3. The quick-release filter element structure for an air filter in a cleanroom according to claim 1, characterized in that, The first slider (203a) is movably connected inside the groove on the arm of the cross bracket (201), and one end of the first slider (203a) passes through the groove and is fixedly connected to the movable block (203).

4. The quick-release filter element structure for an air filter in a cleanroom according to claim 3, characterized in that, The movable block (203) has a threaded blind hole (203b) and the first slider (203a) has a threaded through hole (203c). A fastening bolt (203d) is threadedly connected inside the threaded through hole (203c), and one end of the fastening bolt (203d) is threadedly connected inside the threaded blind hole (203b).

5. The quick-release structure for a filter element in an air filter for a cleanroom as described in claim 1, characterized in that, Mounting seats (204b) are fixedly connected to both sides of the rear end face of the cross bracket (201) arm, and both ends of the threaded rod (204) are rotatably connected to the mounting seats (204b). A knob (204c) is also fixedly connected to one end of the threaded rod (204).

6. The quick-release structure for a filter element in an air filter for a cleanroom, as described in claim 1, is characterized in that... The mounting frame (401) is fixedly connected to a slide rod (401a) inside, and the third slider (402a) is movably sleeved on the slide rod (401a). The return spring (401b) is located outside the slide rod (401a), and the two ends of the return spring (401b) are fixedly connected to the inner front end of the mounting frame (401) and the front end face of the third slider (402a), respectively.

7. The quick-release structure for a filter element in an air filter for a cleanroom as described in claim 1, characterized in that, The L-shaped frame (402) has a positioning hole (402b) on its transverse support arm for positioning with the rear end face of the filter element body (1).

8. The quick-release structure for a filter element in an air filter for a cleanroom, as described in claim 1, is characterized in that... The mounting frame (401) has a mounting post (401c) fixedly connected to its front end face, and one end of the baffle (403) is movably sleeved on the mounting post (401c). The other end of the baffle (403) has a groove (403a) for engaging with the front end face of the filter element body (1).