Primary bag type air filter

Abstract

The utility model discloses a primary bag type air filter. The primary bag type air filter comprises a filter body, a guide assembly and a mounting assembly, the filter body comprises a mounting frame at the front end and filter bags arranged and mounted in the mounting frame. According to the primary bag type air filter disclosed by the utility model, the left guide plate and the right guide plate which are arranged in the filter body and are arranged in the filter bag can guide air entering the filter bag through the left guide sheet and the right guide sheet which are arranged at the rear part and the outer side of the left guide plate and the right guide plate, the outer drainage sheet and the inner drainage sheet; air is distributed to the two ends and the bottom of the filter bag after entering the filter bag, so that the sufficiency of filtering and using of the filter bag is ensured, the problem that the rear part of the filter bag is blocked due to higher filtering strength caused by the fact that the air is directly conveyed to the rear part of the filter bag is avoided, and the full use of the filter bag is optimized to ensure the filtering effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of primary efficiency bag type filter, concretely to a primary efficiency bag type air filter. BACKGROUND

[0002] The primary efficiency bag type air filter is an air filtering device, mainly used for capturing large particles in the air, such as dust, pollen, pet hair, etc. The working principle of the primary efficiency bag type air filter is to intercept, diffuse and adsorb particles in the air by the filter material in the filter bag. When the air passes through the filter bag, the particles are blocked on the surface of the filter material, and the air continues to pass through the filter material, thereby achieving the purpose of purifying the air.

[0003] The existing primary efficiency bag type air filter, such as the primary efficiency bag type filter disclosed in publication CN219539712U, although has the advantages of facilitating the positioning of the filter cloth bag, effectively preventing the expansion and deformation of the filter cloth bag, and improving the service life of the filter cloth bag, but the bag type air filter is inconvenient for guiding the air intake after the filter bag, which may cause the filter bag tail to be directly hit by wind force after air intake, resulting in blockage of the filter bag tail due to high-intensity use, and uneven use of the filter bag. Therefore, we propose a primary efficiency bag type air filter. SUMMARY

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

[0005] Therefore, the technical scheme adopted by the utility model is as follows:

[0006] A primary efficiency bag type air filter, comprising: a filter body, a guide assembly, and a mounting assembly; the filter body comprises a mounting frame at the front end, and filter bags arranged and mounted in the mounting frame; the guide assembly comprises a fixed frame movably mounted in the mounting frame, left and right guide plates fixedly mounted on one side of the fixed frame, and left and right guide pieces movably mounted on both sides of the rear end of the left and right guide plates; and the mounting assembly comprises a compression frame movably mounted at the front end of the mounting frame, and an upper and a lower clamping hole respectively formed in the top of the compression frame and the mounting frame.

[0007] Preferably, the left and right guide plates are each further fixedly provided with an outer drainage piece on one side of the outer end.

[0008] Preferably, the left and right guide plates are each further fixedly provided with an inner drainage piece on one side of the outer end.

[0009] Preferably, the left and right guide pieces are each fixedly connected with a fixed rod between the left and right guide plates.

[0010] Preferably, the compression frame and the mounting frame are each further provided with a mounting hole and a threaded hole respectively corresponding to the mounting hole and the threaded hole on both sides of the compression frame and the mounting frame.

[0011] Preferably, the mounting hole and the threaded hole are movably mounted with a screw.

[0012] Preferably, the upper and lower portions of the filter bag are movably matched and mounted into the upper and lower sockets respectively.

[0013] By adopting the technical scheme, the utility model has the beneficial effects that:

[0014] 1. In the utility model, the left guide plate and the right guide plate installed into the filter bag in the filter body can guide the air entering into the filter bag through the left guide sheet and the right guide sheet on the rear and the outer side and the outer drainage sheet and the inner drainage sheet, so that the air is distributed to the two ends and the bottom of the filter bag after entering into the filter bag, thereby ensuring the sufficiency of the filter bag in use and avoiding the problem of blockage caused by the higher filtering strength of the rear part of the filter bag due to the direct delivery of the air to the rear part of the filter bag, and further optimizing the full use of the filter bag to ensure the filtering effect.

[0015] 2. In the utility model, after the compression frame at the front end of the fixed frame is removed, the left guide plate and the right guide plate in the filter bag and the like can be conveniently removed as a whole through the fixed frame, thereby preventing the installation of the guide assembly from causing inconvenience in replacing the filter bag, and the fixed frame after being conveniently removed can also be used to clean the dust adhered to the upper end of the left guide plate and the right guide plate and the like at the rear end, so as to ensure the guiding effect in use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structural drawing of the utility model;

[0017] Figure 2 It is the exploded view of the utility model;

[0018] Figure 3 It is the structural drawing of the fixed frame of the utility model;

[0019] Figure 4 It is the transverse sectional view of the utility model.

[0020] REFERENCE SIGNS:

[0021] 100, filter body; 101, mounting frame; 102, filter bag;

[0022] 200, guide assembly; 201, fixed frame; 202, left guide plate; 203, right guide plate; 204, left guide sheet; 205, right guide sheet; 206, outer drainage sheet; 207, inner drainage sheet; 208, fixed rod;

[0023] 300, mounting assembly; 301, compression frame; 302, upper socket; 303, lower socket; 304, mounting hole; 305, threaded hole; 306, screw. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific embodiments and referring to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] Some embodiments of the utility model are described below in combination with the drawings to provide a primary efficiency bag type air filter.

[0026] Embodiment one:

[0027] In combination with Figures 1-4 the drawings, the utility model provides a primary efficiency bag type air filter, which comprises a filter body 100, a guide assembly 200 and a mounting assembly 300. The filter body 100 comprises a mounting frame 101 at the front end and filter bags 102 arranged and mounted in the mounting frame 101. The guide assembly 200 comprises a fixed frame 201 movably mounted in the mounting frame 101, left and right guide plates 202 and 203 fixedly mounted on one side of the fixed frame 201, and left and right guide pieces 204 and 205 movably mounted on both sides of the rear end of the left and right guide plates 202 and 203. The mounting assembly 300 comprises a pressing frame 301 movably mounted at the front end of the mounting frame 101, an upper clamp 302 and a lower clamp 303 respectively formed on the top of the pressing frame 301 and the top of the mounting frame 101, and a mounting hole 304 and a threaded hole 305 respectively formed on both sides of the pressing frame 301 and the mounting frame 101. Screws 306 are movably mounted in the mounting hole 304 and the threaded hole 305. The filter bags 102 are movably and matchedly mounted in the upper clamp 302 and the lower clamp 303.

[0028] Specifically, the primary bag type air filter is an air filtering device mainly used for capturing large particles in the air; the left guide plate 202 and the right guide plate 203 installed in the filter bag 102 in the filter body 100 can guide the air entering the filter bag 102 through the left guide piece 204, the right guide piece 205 and the outer drainage piece 206 and the inner drainage piece 207 at the rear and the outer side thereof, so that the air is distributed to both ends and the bottom of the filter bag 102 after entering the filter bag 102, thereby ensuring the sufficiency of the use of the filter bag 102, avoiding the problem of blockage of the rear part of the filter bag 102 due to the high filtering strength of the rear part of the filter bag 102 after the air is directly delivered to the rear part of the filter bag 102, and further optimizing the full use of the filter bag 102 to ensure the filtering effect; after the compression frame 301 at the front end of the fixed frame 201 is removed, the left guide plate 202 and the right guide plate 203 and the like in the filter bag 102 can also be conveniently removed as a whole through the fixed frame 201, thereby preventing the installation of the guide assembly 200 from causing inconvenience in replacing the filter bag 102, and the fixed frame 201 after being conveniently removed can also be cleaned in its entirety to ensure the guiding effect in use, the outer drainage piece 206 and the inner drainage piece 207 at the outer end of the left guide plate 202 and the right guide plate 203 are mainly used for guiding the air at both ends of the filter bag 102, the left guide piece 204 and the right guide piece 205 at the tail of the left guide plate 202 and the right guide plate 203 are mainly used for guiding the air at the tail and both sides of the tail of the filter bag 102, the fixed rod 208 connected between the left guide piece 204 and the right guide piece 205 and the left guide plate 202 and the right guide plate 203 is mainly used for ensuring the stability of the left guide piece 204 and the right guide piece 205 in use, the upper clamp 302 at the upper end of the compression frame 301 and the lower clamp 303 at the bottom of the mounting frame 101 are mainly used for clamping and mounting the filter bag 102, the compression frame 301 is tightly mounted at the front end of the mounting frame 101 through the screw 306, and is mainly used for compressing and mounting the fixed frame 201 in the mounting frame 101, thereby ensuring the stability of the components such as the left guide plate 202 and the right guide plate 203 at the rear end thereof in use.

[0029] The working principle and use process of the utility model are as follows:

[0030] When the filter body 100 filters air, the air is divided into three streams by the left guide plate 202 and the right guide plate 203 on both sides of the filter bag 102 before being delivered to the front end of the filter bag 102, two streams of air on both sides will be guided to the end portions of the filter bag 102 through the outer flow guide piece 206 and the inner flow guide piece 207 at the outer ends of the left guide plate 202 and the right guide plate 203, so that the air is filtered at the end portions of the filter bag 102, the central stream of air will be divided into three streams again by the left guide piece 204 and the right guide piece 205 at the rear end after being delivered to the tail of the left guide plate 202 and the right guide plate 203, the central stream of air is directly delivered to the tail of the filter bag 102 for filtering, while the two streams of air on both sides are delivered to the outer ends of the left guide piece 204 and the right guide piece 205 and filtered at both ends of the tail of the filter bag 102, thereby ensuring the full use of the filter bag 102, and when the filter bag 102 in the filter body 100 is replaced, after the compression frame 301 at the front end of the mounting frame 101 is removed, the fixed frame 201 is removed as a whole through the front end of the filter bag 102, the replacement of the filter bag 102 can be conveniently carried out.

[0031] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A preliminary efficiency baghouse air filter characterized by, Include: Filter body (100), guide assembly (200), installation assembly (300); The filter body (100) comprises a mounting frame (101) at the front end, and a filter bag (102) arranged and mounted in the mounting frame (101); The guide assembly (200) comprises a fixed frame (201) movably mounted in the mounting frame (101), a left guide plate (202) and a right guide plate (203) fixedly mounted on one side of the fixed frame (201), and a left guide piece (204) and a right guide piece (205) movably mounted on both sides of the rear end of the left guide plate (202) and the right guide plate (203); The installation assembly (300) comprises a pressing frame (301) movably mounted at the front end of the mounting frame (101), and an upper clamp (302) and a lower clamp (303) respectively formed in the top of the pressing frame (301) and the top of the mounting frame (101).

2. A preliminary efficiency pocket air filter according to claim 1 wherein, The outer end of the left guide plate (202) and the right guide plate (203) is also fixedly provided with an outer drainage piece (206) on one side.

3. A preliminary efficiency pocket air filter according to claim 1 wherein, The outer end of the left guide plate (202) and the right guide plate (203) is also fixedly provided with an inner drainage piece (207) on one side.

4. A preliminary efficiency pocket air filter according to claim 1 wherein, The left guide piece (204) and the right guide piece (205) are respectively fixedly connected with the left guide plate (202) and the right guide plate (203) through a fixed rod (208).

5. A preliminary efficiency pocket air filter according to claim 1 wherein, The pressing frame (301) is also provided with a mounting hole (304) and a threaded hole (305) respectively corresponding to the two sides of the mounting frame (101).

6. A preliminary efficiency pocket air filter according to claim 5 wherein, The mounting hole (304) and the threaded hole (305) are also movably provided with a screw (306).

7. A preliminary efficiency pocket air filter according to claim 1 wherein, The upper and lower parts of the filter bag (102) are movably matched and mounted into the upper clamp (302) and the lower clamp (303).

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