CN204246961U - Filter - Google Patents

Abstract

The utility model discloses a filtering device, which comprises a casing, the casing includes a main body with openings at both ends, a front cover sealed and arranged at the front end opening of the main body, and a rear frame sealed and arranged at the rear end opening of the main body, and the inner axial direction of the main body is successively Two V-shaped filter screens, primary dust filter and secondary dust filter are arranged in a row. The inner top and inner bottom of the main body are respectively provided with corresponding L-shaped clips for clamping the end of the V-shaped filter screen. The main body Positioning holes for fixing two V-shaped filter screens are respectively provided on both sides of the main body, and a filling groove is opened on both sides of the main body between the two V-shaped filter screens. Tank cover. The utility model has large filtering cross-sectional area, small wind resistance and high efficiency, and can achieve higher filtering effect under the condition of the same filter material. Good filtering effect, and easy to assemble.

Description

filter

technical field

The utility model relates to the field of air purification equipment, in particular to a filter device.

Background technique

Air filters are generally used for dust prevention in clean workshops, clean workshops, clean operating rooms, laboratories and clean rooms, or for electronic and mechanical communication equipment. The traditional air filter has small filter cross-sectional area, large wind resistance, low efficiency, insufficient contact between filter material and air in a limited space and poor filtering effect.

Utility model content

The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art, and provide a filter device, which has a large filter cross-sectional area, small wind resistance, high efficiency, and achieves a higher filter effect under the condition of ensuring the same filter material. The V-shaped structure can ensure that the filter material is in full contact with the air in a limited space, so that it can achieve a better filtering effect.

The purpose of this utility model is achieved through the following technical solutions:

A filter device, comprising a housing, the housing includes a main body with openings at both ends, a front cover sealed and arranged on the front end opening of the main body, and a rear frame sealed and arranged on the rear end opening of the main body, the inner shaft of the main body Two V-shaped filter screens, a primary dust filter and a secondary dust filter are arranged in sequence in the direction, and the inner top and inner bottom of the main body are respectively provided with corresponding ends for clamping the V-shaped filter screen. The L-shaped clips, the two sides of the main body are respectively provided with positioning holes for fixing the two V-shaped filter screens, and the two sides of the housing between the two V-shaped filter screens There is an injection groove on the top, and a cover plate for closing the injection groove is arranged on the injection groove.

In one of the embodiments, the two sides of the main body are inlaid with nut ferrules around the injection groove, and the edge of the cover plate is provided with perforations corresponding to the positions of the nut ferrules, so that the screws can pass through. The nut ferrule is connected through the through hole to fix the cover plate.

In one of the embodiments, activated carbon is filled between the two V-shaped filter screens.

In one of the embodiments, the V-shaped filter screen has one V-shaped groove or more than one V-shaped groove arranged side by side.

In one of the embodiments, the front cover is provided with arranged mesh holes, and the two ends of the front cover are respectively provided with handles.

Compared with the prior art, the utility model has the following advantages and effects:

1. The utility model arranges two V-shaped filter screens, a primary dust filter and a secondary dust filter in sequence in the axial direction inside the main body. The V-shaped filter screen of the V-shaped structure makes the filter cross-sectional area large and the wind resistance small , high efficiency, ensuring the same filter material, to achieve a higher filtering effect, V-shaped structure can ensure that the filter material is fully in contact with the air in a limited space, so that it can achieve better filtering effect.

2. The utility model is provided with corresponding L-shaped clip strips for clamping the end of the V-shaped filter screen on the inner top and inner bottom of the main body, and two V-shaped clips for fixing the ends of the main body are respectively provided on both sides. The positioning hole of the filter screen, the main body is provided with a feeding groove on both sides between the two V-shaped filter screens, and the charging groove is provided with a cover plate for closing the feeding groove. When installing, align the two V-shaped filter screens with the positioning holes and fix them, and inject materials with adsorption effect between the two V-shaped filter screens through the injection groove, which is convenient for assembly.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of filter device of the present invention;

Fig. 2 is an exploded view of the filtering device shown in Fig. 1;

Fig. 3 is a working principle diagram of the filter device of the present invention;

The reference signs are explained as follows:

10 filtering devices,

100 shell, 110 main body, 111 positioning hole, 112 injection groove, 113 nut ferrule, 120 front cover, 121 mesh, 122 handle, 130 rear frame, 140L-shaped clip, 150 cover plate, 151 perforation;

200V type filter screen, 210 contact part, 211 fixing hole, 220 activated carbon;

300 primary dust filter;

400 secondary dust filter.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1 to FIG. 3 , the utility model discloses a filter device 10 , which includes a housing 100 . The casing 100 includes a main body 110 with openings at both ends, a front cover 120 sealingly disposed at the front opening of the main body 110 , and a rear frame 130 sealingly disposed at the rear opening of the main body 110 .

The main body 110 is roughly a rectangular frame. Two V-shaped filter screens 200 , a primary dust filter 300 and a secondary dust filter 400 are arranged in sequence in the inner axial direction of the main body 110 . The primary dust filter 300 is a primary dust filter, and the secondary dust filter 400 is a high efficiency dust filter.

The inner top and the inner bottom of the main body 110 are respectively provided with corresponding L-shaped clamping strips 140 for clamping the ends of the V-shaped filter screen 200 . The L-shaped clip 140 is welded on the main body 110 of the housing 100 . The L-shaped clip 140 can also be a protrusion, which is integrally formed with the housing 100 , reducing production costs and assembly processes.

The two sides of the main body 110 are respectively provided with positioning holes 111 for fixing two V-shaped filter screens 200 . According to the shape of the V-shaped filter screen 200, a number of positioning holes 111 arranged in a V-shaped arrangement are correspondingly provided. The two sides of the V-shaped filter screen 200 are bent and extended with abutment parts 210, and the abutment parts 210 are provided with positioning holes. 111 corresponds to the fixing hole 211, by connecting the screw through the positioning hole 111 and the corresponding screw hole on the V-shaped filter screen 200 to fix the V-shaped filter screen 200, the V-shaped filter screen 200 can be fixed inside the housing 100 , Easy to install. Certainly, other fixing methods for fixing the V-shaped filter screen 200 on the casing 100 may also be adopted.

Activated carbon 220 is filled between the two V-shaped filter screens 200, and other materials with adsorption can also be used. The main body 110 is provided with a filling groove 112 on both sides between the two V-shaped filter screens 200 , and the filling groove 112 is provided with a cover plate 150 for closing the filling groove 112 . After the two V-shaped filter screens 200 are assembled, inject activated carbon 220 between the two V-shaped filter screens 200 from the injection tank 112 and fill them up, and then seal the injection tank 112 with the cover plate 150, which is easy to assemble.

As a preferred embodiment, the two sides of the main body 110 are inlaid with nut ferrules 113 around the injection groove 112, and the edge of the cover plate 150 is provided with perforations 151 corresponding to the positions of the nut ferrules 113, so that the screws can pass through The through hole 151 is connected with the nut ferrule 113 to fix the cover plate 150 .

The V-shaped filter screen 200 has one V-shaped groove or more than one V-shaped groove arranged side by side, and the included angle of the V-shaped groove is 40 degrees to 60 degrees. If the included angle of the V-shaped groove is too small, the length of the casing 100 will be longer and the production cost will be higher; if the included angle is too large, the resistance formed by the V-shaped filter screen 200 will be greater and the filtration efficiency will be low. The included angle of the V-shaped groove is in the range of 40 degrees to 60 degrees, and the filtering efficiency is high and the production cost is low.

The front cover 120 is a rectangular plate structure, and the front cover 120 is provided with mesh holes 121 arranged in a row. The shape of the mesh holes 121 can be rectangular, rhombus or circular. Both ends of the front cover 120 are respectively provided with handles 122, which are convenient for the operator to open or close the front cover 120 by hand. Further, an anti-slip sleeve may be provided on the handle 122 . The rear frame 130 has a rectangular frame structure corresponding to the front cover 120 .

Assembly process of the present utility model:

The rear frame 130 is sealed and connected to the rear end opening of the main body 110 of the housing 100, the secondary dust filter 400 and the primary dust filter 300 are installed in the housing 100 in sequence, and then two of the V-shaped filter screens 200 are placed Weld the L-shaped clip strip 140 at the end and send it into the interior of the housing 100. The fixing holes 211 on the abutting parts 210 on both sides of the V-shaped filter screen 200 correspond to the positioning holes 111 on both sides of the main body 110, and then install the screws to Fix the V-shaped filter screen 200, weld and fix the L-shaped clamp strip 140 and the housing 100, then install another V-shaped filter screen 200 according to the same steps as above, and finally install the front cover 120, and the assembly process is completed.

In the utility model, two V-shaped filter screens 200, a primary dust filter 300 and a secondary dust filter 400 are sequentially arranged in the axial direction inside the main body 110, and the V-shaped filter screen 200 of the V-shaped structure makes the filter cross-sectional area large , small wind resistance, high efficiency, ensuring the same filter material, to achieve higher filtering effect, V-shaped structure can ensure that the filter material is fully in contact with the air in a limited space, so that it can achieve better filtering effect. The inner top and inner bottom of the main body 110 are respectively provided with corresponding L-shaped clips 140 for clamping the end of the V-shaped filter screen 200, and the two sides of the main body 110 are respectively provided with two V-shaped filter screens. The positioning hole 111 of 200, the main body 110 has a filling groove 112 on both sides between the two V-shaped filter screens 200, and the filling groove 112 is provided with a cover plate 150 for closing the filling groove 112. During installation, align the two V-shaped filter screens 200 with the positioning holes 111 and fix them respectively, and inject materials with adsorption function between the two V-shaped filter screens 200 through the injection groove 112, which is convenient for assembly.

The above-mentioned embodiment is a preferred implementation mode of the present utility model, but the implementation mode of the present utility model is not limited by the above-mentioned embodiment, and any other changes, modifications and substitutions made without departing from the spirit and principle of the present utility model , combination, and simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present utility model.

Claims (5)

1. a filter, it is characterized in that, comprise housing (100), described housing (100) comprises the main body (110) of both ends open, sealing is arranged at the front shroud (120) of described main body (110) front opening and seals the after-frame (130) being arranged at described main body (110) open rearward end, described main body (110) inner axial direction is arranged in order and is provided with two V-type filter screens (200), elementary dust filter unit (300) and secondary dust filter unit (400), the inside top of described main body (110) and inside bottom are respectively equipped with the corresponding L-type card article (140) for blocking described V-type filter screen (200) end, the both sides of described main body (110) are respectively equipped with the locating hole (111) for fixing described two V-type filter screens (200), both sides between described two V-type filter screens (200) offer material feeding groove (112) to described housing (100), described material feeding groove (112) is provided with the cover plate (150) for closing described material feeding groove (112).

2. filter according to claim 1, it is characterized in that, the both sides of described main body (110) are inlaid with nut cutting ferrule (113) in the surrounding of described material feeding groove (112), the position of the corresponding described nut cutting ferrule (113) in edge of described cover plate (150) offers perforation (151), passes described perforation (151) connect described nut cutting ferrule (113) with fixing described cover plate (150) to make screw.

3. filter according to claim 1, is characterized in that, is filled with active carbon (220) between described two V-type filter screens (200).

4. filter according to claim 1, is characterized in that, described V-type filter screen (200) has a V-type groove or more than one the V-type groove be arranged side by side.

5. filter according to claim 1, is characterized in that, described front shroud (120) offers the mesh (121) of spread configuration, and the two ends of described front shroud (120) are respectively equipped with handle (122).