Plate type primary filter

The design of the outer frame, filter cotton, baffles, and fasteners solves the problem of time-consuming and labor-intensive installation and fixing of filter cotton in plate-type pre-filters, achieving rapid flattening and firm fixing, and ensuring the stability of filtration effect.

CN223596139UActive Publication Date: 2025-11-25DONGGUAN MICRON AIR PURIFICATION CO LTD
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Patent Information

Application Number
CN202423221274.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-25
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

When installing existing panel-type pre-filters, the filter cotton is difficult to spread out quickly and laboriously, and it is not securely fixed, which affects the filtration effect.

Method used

The design incorporates an outer frame, filter cotton, baffles, and fasteners. The filter cotton is quickly laid flat using mounting slots and double-sided adhesive, and secured with baffles and fasteners to prevent it from coming off or loosening.

Benefits of technology

It enables quick installation and secure fixation of the filter cotton, saving time and effort, ensuring the stability of the filtration effect, and avoiding problems such as glue obstruction and loosening.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223596139U_ABST
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Abstract

The utility model discloses a plate-type primary filter, which comprises an outer frame, filter cotton, a baffle plate and a fastener, the front end of the outer frame is provided with a mounting groove for mounting a filter structure, the front end of the outer frame is provided with a storage groove, the filter cotton is inserted into the mounting groove, and the baffle plate is arranged in the storage groove. The filter cotton is arranged in the outer frame, cloth strips are uniformly distributed on two sides of the filter cotton, double-faced adhesive tapes are adhered to the outer sides of the two cloth strips, the baffle is hinged to the front end of the outer frame, and the fastener comprises a stud distributed at the front end of the outer frame and a fastening knob in threaded connection with the stud. According to the plate-type primary filter, the outer frame and the filter cotton are arranged, so that the filter cotton can be quickly mounted and flattened without influencing the use of the plate-type primary filter, time and labor are saved, meanwhile, the filter cotton can be firmly fixed through the baffle and the fastener, and the filter effect is prevented from being influenced by loosening caused by degumming of the filter cotton.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate type primary efficiency filter technical field, concretely is a plate type primary efficiency filter. BACKGROUND

[0002] Plate type primary efficiency filter is usually installed in the air supply pipeline or return air duct of air conditioning system, and the main function is to filter the impurities such as large particle dust, particulate matter, hair, fiber in air, protect the downstream air purification equipment and air conditioning system from pollution and blockage, have simple structure, large filtration area, small resistance and large dust capacity and the like characteristics.

[0003] When installing plate type primary efficiency filter, the folding filter cotton is generally placed in the outer frame, since the four inner edges of the outer frame are provided with grooves, the grooves are U-shaped, the filter cotton needs to be clamped in the groove first, and since the four inner edges of the outer frame are smeared with glue, the filter cotton needs to be slowly unfolded and flattened, it is not easy to flatten the filter cotton, time and effort are consumed, and there are certain deficiencies. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme, a plate type primary efficiency filter, including outer frame, filter cotton, baffle and fastener, the front end of outer frame is equipped with the installation groove for installing filter structure, the filter cotton is inserted in the inside of installation groove, both sides of filter cotton are equipped with cloth strip, the outside of two cloth strips is bonded with double-faced adhesive tape, the baffle is hingedly connected in the front end of outer frame, the fastener includes the stud that is arranged at the front end of outer frame and is connected with the stud screw thread fastening knob.

[0006] Preferably, the front end of the outer frame is provided with a storage groove.

[0007] Preferably, it further includes a brush cylinder, the brush cylinder includes a handle placed inside the storage groove and a plurality of brush filaments arranged outside the handle.

[0008] Preferably, the filter cotton is folding type.

[0009] Preferably, the baffle and the outer frame are both in a hollowed-out shape, two mounting holes are provided on the left side of the baffle, and the two mounting holes are symmetrically distributed.

[0010] Preferably, the fastener is provided with two, and the fastener and the mounting hole one-to-one correspond.

[0011] The utility model discloses obtained beneficial effect is as follows: the utility model discloses through setting up outer frame and filter cotton, under the condition that not influencing the use of plate type primary efficiency filter, can install filter cotton fast and save time and energy, can firmly fix filter cotton through setting up baffle and fastener simultaneously, avoid the filter cotton delamination and lead to the influence of filter effect of loosening, when using, the user can directly wear filter cotton in the storage groove of outer frame, and after wearing, the cloth strip of both sides of filter cotton is pulled, and is bonded in the inboard of storage groove through double -sided adhesive, and after bonding, can level filter cotton, avoid the obstruction of glue and U type recess, save time and energy, and after installing filter cotton, can rotate baffle and cover filter cotton, after covering, the stud of fastener is passed through the mounting hole on baffle, after passing, rotates fastening knob and stud connection, can fixed baffle, and after fixing, through baffle and outer frame, can firmly fix filter cotton, avoid the filter cotton delamination and lead to the influence of filter effect of loosening. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is structure schematic diagram of the utility model;

[0013] Figure 2 It is the utility model Figure 1 It is the connection schematic diagram of one visual angle of outer frame and baffle;

[0014] Figure 3 It is the utility model Figure 1 It is the connection schematic diagram of another visual angle of outer frame and baffle;

[0015] Figure 4 It is the utility model Figure 1 It is the structure schematic diagram of filter cotton.

[0016] Reference signs:

[0017] 100, outer frame;101, installation groove;102, storage groove;

[0018] 200, brush cylinder;201, handle;202, brush wire;

[0019] 300, filter cotton;301, cloth strip;302, double -sided adhesive;

[0020] 400, baffle;401, mounting hole;

[0021] 500, fastener;501, stud;502, fastening knob. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be explained that the embodiment of the utility model and the features in the embodiment can be combined mutually without conflict.

[0023] Some embodiments of the utility model provide a plate type primary filter.

[0024] Embodiment one:

[0025] Refer to Figures 1-4 For the first embodiment of the utility model, the embodiment provides a plate type primary filter, including outer frame 100, filter cotton 300, baffle 400 and fastener 500.

[0026] Specifically, the front end of outer frame 100 is provided with mounting groove 101 for installing filter structure, and the front end of outer frame 100 is provided with storage groove 102, in use, outer frame 100 plays the effect of supporting and fixing, and storage groove 102 is used for installing filter cotton 300, so that filter cotton 300 filters large particle dust, particulate matter, hair, fiber and other impurities in air.

[0027] Specifically, filter cotton 300 is inserted in the inside of mounting groove 101, and cloth strip 301 is arranged on both sides of filter cotton 300, double-sided adhesive tape 302 is bonded on the outside of two cloth strips 301, and filter cotton 300 is of folding type, in use, the user can directly insert filter cotton 300 in storage groove 102 of outer frame 100, after insertion, pull cloth strip 301 on one side of filter cotton 300 and bond it in the inside of storage groove 102 through double-sided adhesive tape 302, and then pull cloth strip 301 on the other side of filter cotton 300 and bond it in the other inside of storage groove 102 through double-sided adhesive tape 302, after bonding, filter cotton 300 can be laid flat, which avoids the obstruction of glue and U-shaped groove, saves time and effort, and large particle dust, particulate matter, hair, fiber and other impurities in air can be filtered through filter cotton 300, which can protect downstream air purification equipment and air conditioning system from pollution and blockage.

[0028] Specifically, baffle 400 is hingedly connected to the front end of outer frame 100, baffle 400 and outer frame 100 are both in a hollowed-out shape, two mounting holes 401 are formed in the left side of baffle 400, and the two mounting holes 401 are symmetrically distributed, in use, baffle 400 can be rotated to cover filter cotton 300, after covering, filter cotton 300 can be fixed through baffle 400, which avoids that filter cotton 300 is loosened due to delamination and affects the filtering effect, and the two mounting holes 401 can cooperate with fastener 500 to fix baffle 400.

[0029] Specifically, the fastener 500 includes a stud 501 arranged at the front end of the outer frame 100 and a fastening knob 502 threadedly connected with the stud 501, and the fastener 500 is provided with two, the fastener 500 corresponds to the mounting hole 401 one by one, when the baffle 400 covers the filter cotton 300, the stud 501 of the fastener 500 will pass through the mounting hole 401 on the baffle 400, pass through and rotate the fastening knob 502 to be connected with the stud 501, that is, the baffle 400 can be fixed, and after being fixed, the filter cotton 300 can be fixed firmly through the baffle 400 and the outer frame 100, so that the filter cotton 300 is prevented from being loosened due to glue peeling to affect the filtering effect.

[0030] Embodiment two:

[0031] With reference to Figure 1 For the second embodiment of the utility model, which is different from the first embodiment, it further comprises a brush cylinder 200, the brush cylinder 200 comprises a handle 201 placed inside the storage groove 102 and a plurality of brush filaments 202 arranged outside the handle 201, in use, the brush cylinder 200 in the storage groove 102 can be taken out, after being taken out, the handle 201 is held tightly, and the handle 201 is moved so that the brush filaments 202 contact the filter cotton 300, then dust on the filter cotton 300 can be cleaned through the principle of friction, so as to facilitate use.

[0032] The working principle and use process of the utility model are as follows: in use, the user can directly insert the filter cotton 300 into the storage groove 102 of the outer frame 100, after being inserted, the cloth strip 301 on one side of the filter cotton 300 is pulled and adhered to the inner side of the storage groove 102 through the double-sided adhesive tape 302, and in the same way, the cloth strip 301 on the other side of the filter cotton 300 is pulled and adhered to the other inner side of the storage groove 102 through the double-sided adhesive tape 302, after being adhered, the filter cotton 300 can be laid flat, the adhesion of glue and the U-shaped groove are avoided, time and labor are saved, and after the filter cotton 300 is installed, the baffle 400 can be rotated to cover the filter cotton 300, after being covered, the stud 501 of the fastener 500 will pass through the mounting hole 401 on the baffle 400, pass through and rotate the fastening knob 502 to be connected with the stud 501, that is, the baffle 400 can be fixed, and after being fixed, the filter cotton 300 can be fixed firmly through the baffle 400 and the outer frame 100, so that the filter cotton 300 is prevented from being loosened due to glue peeling to affect the filtering effect.

[0033] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A panel-type primary filter characterized by, Include: The front end of the outer frame (100) is provided with a mounting groove (101) for mounting the filter structure; The filter cotton (300) is inserted into the mounting groove (101), both sides of the filter cotton (300) are provided with cloth strips (301), and the outer sides of the two cloth strips (301) are bonded with double-sided adhesive tape (302); The baffle (400) is hingedly connected to the front end of the outer frame (100); The fastener (500) includes a stud (501) arranged at the front end of the outer frame (100) and a fastening knob (502) threadedly connected with the stud (501).

2. A panel-type prefilter according to claim 1, wherein The front end of the outer frame (100) is provided with a storage groove (102).

3. A panel-type prefilter according to claim 2, wherein It also includes a brush cylinder (200), the brush cylinder (200) includes a handle (201) placed inside the storage groove (102) and a plurality of brush filaments (202) arranged outside the handle (201).

4. A panel-type prefilter according to claim 1, wherein The filter cotton (300) is folded.

5. A panel-type prefilter according to claim 1, wherein The baffle (400) and the outer frame (100) are both hollow, and two mounting holes (401) are formed in the left side of the baffle (400), and the two mounting holes (401) are symmetrically distributed.

6. A panel-type prefilter according to claim 1, wherein The fastener (500) is provided with two, and the fastener (500) corresponds to the mounting hole (401) one by one.