Detachable spliced air filter
By introducing a stepper motor-driven cleaning and positioning mechanism into the air filter, the problem of dust re-clogging the filter plate during the cleaning process is solved, achieving a more efficient cleaning effect and simpler filter plate installation.
Patent Information
- Application Number
- CN202422305315.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-22
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-09-22
AI Technical Summary
In existing detachable and modular air filters, dust is easily carried back onto the filter plate during the reciprocating motion, causing blockage and reducing cleaning effectiveness.
The cleaning mechanism within the frame includes a stepper motor-driven shaft, gears, and cleaning rollers, ensuring that the cleaning rollers perform linear reciprocating motion and reverse rotation on the filter plate surface. Combined with the positioning mechanism, the filter plate is securely installed through pull rings and limit blocks.
It improves cleaning ability, prevents dust from re-clogging the filter plate, simplifies the process of disassembling and assembling the filter plate, and improves operating efficiency.
Smart Images

Figure CN223628291U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air filter field especially relates to a detachable splicing type air filter. BACKGROUND
[0002] Air filter is through the action of porous filter material from gas-solid two-phase flow trapping dust, and make gas can be purified equipment, it handles the air purification of low dust content and sends into the room to ensure the process requirement of clean room, the air cleanliness in general air conditioning room, generally used in clean workshop, clean factory building, laboratory and clean room, or used in dustproof of electronic mechanical communication equipment. There are primary filter, medium efficiency filter, high efficiency filter and sub-high efficiency etc. model, different standards and use efficiency of various models.
[0003] Through the retrieval, China patent publication number: CN217613587U discloses a detachable splicing type air filter, including: box body;Two sliding frames, the bottom of two sliding frames is fixedly connected to the bottom of the inner wall of the box body;Filter plate, both sides of the filter plate are slidably connected between the opposite sides of two sliding frames;Cleaning assembly, the bottom of the cleaning assembly is fixedly connected to the left side of the inner wall bottom of the box body, the cleaning assembly includes a placing box. The patent drives the screw block to slide downward in the sliding groove through the rotation of the threaded rod, the movement of the screw block drives the cleaning plate to move downward on the surface of the filter plate, thereby cleaning the dust on the surface of the filter plate, avoiding the problem of filter plate surface blockage after long-term use, but when the cleaning plate moves by rotating the threaded rod, only one side of the cleaning plate is always attached to the filter plate during the reciprocating displacement, which causes the cleaned dust to be brought back to the filter plate during the return stroke of the reciprocating movement, which may cause the dust to re-block the filter plate, thereby reducing the cleaning effect. The cleaning plate may also squeeze the dust through the filter hole to the other side of the filter plate, causing the dust to be in the air, reducing the quality of the air, and also reducing the cleaning effect. Therefore, a detachable splicing type air filter is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a detachable splicing type air filter, which aims to improve the problem of "dust in the return stroke of reciprocating movement is brought back to the filter plate, which may cause the dust to re-block the filter plate, reducing the cleaning effect" in the prior art.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a detachable splicing type air filter, including frame, the bottom fixedly connected with support base of frame, the inside of frame is provided with positioning mechanism, the inside of frame is provided with filter plate, the top fixedly connected with handle of filter plate, the inside of frame is provided with the slot, the filter plate is inserted on the inner wall of slot, the inner wall of frame is provided with the sliding slot, the front side of filter plate is provided with cleaning mechanism.
[0006] As a further description of the above technical scheme:
[0007] The cleaning mechanism includes a sliding block, the sliding block is slidably installed on the inner wall of the sliding slot, and the top of the sliding block is fixedly connected with a stepping motor.
[0008] As a further description of the above technical scheme:
[0009] The cleaning mechanism further includes a rotating shaft, the rotating shaft is fixedly installed at the bottom of the output shaft of the stepping motor, and the rotating shaft penetrates and is rotatably installed on the inner wall of the sliding block.
[0010] As a further description of the above technical scheme:
[0011] The cleaning mechanism further includes a first gear, the first gear is fixedly installed on the circumferential surface of the rotating shaft, the surface of the frame is fixedly connected with a rack, and the rack and the first gear are engaged.
[0012] As a further description of the above technical scheme:
[0013] The cleaning mechanism further includes a rotating rod, the rotating rod is rotatably installed at the bottom of the sliding block, the circumferential surface of the rotating rod is fixedly connected with a second gear, and the second gear and the first gear are engaged.
[0014] As a further description of the above technical scheme:
[0015] The cleaning mechanism further includes a cleaning roller, the cleaning roller is fixedly installed on the circumferential surface of the rotating rod, and the cleaning roller is in contact with the front surface of the filter plate.
[0016] As a further description of the above technical scheme:
[0017] The positioning mechanism includes a pull ring, the number of the pull ring is set to two groups, the pull ring is fixedly connected with a limiting block on the side close to each other, and the limiting block is slidably installed on the inner wall of the frame.
[0018] As a further description of the above technical scheme:
[0019] The positioning mechanism further comprises a limiting spring, and the limiting block is elastically connected with the inner wall of the frame through the limiting spring.
[0020] The utility model has the advantages of:
[0021] 1、 the utility model discloses, through the power of starting the step motor, make the cleaning roller do linear reciprocating motion simultaneously still can rotate, and the direction of cleaning roller rotation and the direction of cleaning roller linear motion are opposite, improve the ability of cleaning, and dust will not be taken back to the filter plate in the return process of reciprocating motion, guarantee the effect of cleaning.
[0022] 2、 the utility model discloses, through pulling the pull ring, make two groups of limiting block overcome the elasticity of spring one and mutually far away, and then can disassemble and assemble the filter plate, simple operation does not need to operate with the aid of external tool, saves the operation step, improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the whole three-dimensional structure schematic diagram in the utility model;
[0024] Figure 2 It is the three-dimensional explosion structure schematic diagram of frame and filter plate in the utility model;
[0025] Figure 3 It is the three-dimensional structure schematic diagram of cleaning mechanism in the utility model;
[0026] Figure 4 It is the three-dimensional structure section schematic diagram of frame and positioning mechanism in the utility model.
[0027] LEGEND:
[0028] 1, frame;2, support base;3, filter plate;4, handle;5, slot;6, sliding slot;7, sliding block;8, step motor;9, rotating shaft;10, gear one;11, rack;12, rotating rod;13, gear two;14, cleaning roller;15, pull ring;16, limiting block;17, limiting spring;18, limiting slot. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0030] REFER Figure 1 ,Figure 2 The utility model provides a kind of detachable splicing type air filter of an embodiment: a kind of detachable splicing type air filter, including frame 1, play the role of support and stable, the bottom of frame 1 is fixedly connected with the support base 2 that moves frame 1 is stably supported, improve the stability of frame 1 when working, the inside of frame 1 is provided with positioning mechanism, the inside of frame 1 is provided with the filter plate 3 for filtering air, the top of filter plate 3 is fixedly connected with the handle 4 for conveniently taking out filter plate 3, it is beneficial to save labor, slot 5 is set in the inner wall of frame 1, filter plate 3 is inserted in the inner wall of slot 5, improve the installation stability of filter plate 3, sliding slot 6 is set on the inner wall of frame 1, and the front side of filter plate 3 is provided with cleaning mechanism.
[0031] Refer to Figure 2 、 Figure 3 The cleaning mechanism includes a sliding block 7 that is slidingly installed on the inner wall of the sliding slot 6. The sliding direction of the sliding block 7 is left-right sliding. The top of the sliding block 7 is fixedly connected with a stepping motor 8. The stepping motor 8 can accurately control the rotation angle of its output shaft, which facilitates the adjustment of the rotation speed and rotation angle of its rotation shaft. The control precision can be improved by making appropriate adjustments according to different working requirements. The cleaning mechanism further includes a rotating shaft 9 that is vertically arranged. The rotating shaft 9 is fixedly installed at the bottom of the output shaft of the stepping motor 8 and is rotatably installed in the inner wall of the sliding block 7.
[0032] Refer to Figure 1 - Figure 3 The cleaning mechanism further includes a gear one 10 that is fixedly installed on the circumferential surface of the rotating shaft 9. The surface of the frame 1 is fixedly connected with a rack 11 that is horizontally arranged. The rack 11 is engaged with the gear one 10. The cleaning mechanism further includes a rotating rod 12 that is vertically arranged. The rotating rod 12 is rotatably installed at the bottom of the sliding block 7. The circumferential surface of the rotating rod 12 is fixedly connected with a gear two 13. The outer diameter of the gear one 10 is larger than that of the gear two 13, so the gear two 13 will not be engaged with the rack 11 and will not affect the normal movement of the sliding block 7. The gear two 13 is engaged with the gear one 10, and the rotation direction of the gear two 13 is opposite to that of the gear one 10. The cleaning mechanism further includes a cleaning roller 14 that can clean the filter plate 3. The cleaning roller 14 is fixedly installed on the circumferential surface of the rotating rod 12. The cleaning roller 14 is in contact with the front surface of the filter plate 3, which improves the cleaning effect.
[0033] Refer to Figure 2 、 Figure 4The positioning mechanism comprises pull rings 15 which are convenient for a worker to control, the number of the pull rings 15 is set as two groups, the two groups of the pull rings 15 are fixedly connected with limiting blocks 16 which are set as a rectangular section on the side close to each other, the limiting blocks 16 are slidingly installed on the inner wall of the frame 1, the sliding direction of the limiting blocks 16 is left and right sliding, the positioning mechanism further comprises limiting springs 17, the limiting blocks 16 are elastically connected with the inner wall of the frame 1 through the limiting springs 17, the two groups of the limiting blocks 16 have a tendency of approaching each other through the limiting springs 17, limiting grooves 18 which are matched with the limiting blocks 16 are formed on the left and right sides of the filter plate 3, the filter plate 3 is stably fixed in the frame 1 through the cooperation of the limiting blocks 16 and the limiting grooves 18.
[0034] Working principle: in use, the power of the stepping motor 8 is started, the stepping motor 8 works to drive the rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive the gear one 10 to rotate, the gear one 10 rotates to drive the sliding block 7 to displace through the meshing with the rack 11, meanwhile, the rotating shaft 9 rotates to drive the rotating rod 12 to rotate through the meshing of the gear one 10 and the gear two 13, and the rotating direction of the rotating rod 12 is opposite to the rotating direction of the rotating shaft 9, the rotating rod 12 rotates to drive the cleaning roller 14 to rotate, so that the cleaning roller 14 will also rotate reversely when displacing on the surface of the filter plate 3, thereby cleaning the relatively difficult-to-clean particles on the filter plate 3, avoiding affecting the filtering effect, and the rotating direction of the cleaning roller 14 is opposite to the moving direction of the sliding block 7, improving the cleaning ability of the cleaning roller 14, and the cleaning effect is better.
[0035] The two groups of the limiting blocks 16 are pulled away from each other by pulling the pull rings 15 outward, then the filter plate 3 is inserted into the inside of the insertion slot 5, then the pull rings 15 are released, the two groups of the limiting blocks 16 are inserted into the inside of the limiting grooves 18 under the elastic force of the limiting springs 17, thereby completing the installation and fixation of the filter plate 3, improving the installation stability of the filter plate 3, and the reverse operation can be performed when disassembling.
[0036] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A dismountable filter of the type assembled by means of a frame (1), characterised in that: The bottom of the frame (1) is fixedly connected with a support base (2), the inside of the frame (1) is provided with a positioning mechanism, the inside of the frame (1) is provided with a filter plate (3), the top of the filter plate (3) is fixedly connected with a handle (4), the inside of the frame (1) is provided with a slot (5), the filter plate (3) is inserted on the inner wall of the slot (5), the inner wall of the frame (1) is provided with a sliding groove (6), the front side of the filter plate (3) is provided with a cleaning mechanism, the cleaning mechanism comprises a sliding block (7), the sliding block (7) is slidingly installed on the inner wall of the sliding groove (6), the top of the sliding block (7) is fixedly connected with a stepping motor (8), the cleaning mechanism further comprises a rotating shaft (9), the rotating shaft (9) is fixedly installed at the bottom of the output shaft of the stepping motor (8), the rotating shaft (9) penetrates and is rotatably installed on the inner wall of the sliding block (7), the cleaning mechanism further comprises a gear one (10), the gear one (10) is fixedly installed on the circumferential surface of the rotating shaft (9), the surface of the frame (1) is fixedly connected with a rack (11), the rack (11) and the gear one (10) are engaged, the cleaning mechanism further comprises a rotating rod (12), the rotating rod (12) is rotatably installed at the bottom of the sliding block (7), the circumferential surface of the rotating rod (12) is fixedly connected with a gear two (13), the gear two (13) and the gear one (10) are engaged, the cleaning mechanism further comprises a cleaning roller (14), the cleaning roller (14) is fixedly installed on the circumferential surface of the rotating rod (12), and the cleaning roller (14) is in contact with the front surface of the filter plate (3).
2. A dismountable splicing type air filter according to claim 1, characterized in that: The positioning mechanism comprises a pull ring (15), the number of the pull ring (15) is two groups, and the side close to each other of the two groups of pull rings (15) is fixedly connected with a limiting block (16), and the limiting block (16) is slidingly installed on the inner wall of the frame (1).
3. A dismountable splicing air filter according to claim 2, characterized in that: The positioning mechanism further comprises a limiting spring (17), the limiting block (16) is elastically connected with the inner wall of the frame (1) through the limiting spring (17), and the left and right sides of the filter plate (3) are provided with limiting grooves (18).
Citation Information
Patent Citations
Detachable spliced air filter
CN217613587U