CN209840395U

CN209840395U - Filter element

Info

Publication number: CN209840395U
Application number: CN201822222398.XU
Authority: CN
Inventors: 王健宏
Original assignee: Zhejiang Thomas Intelligence Technology Co Ltd
Current assignee: Zhejiang Thomas Intelligence Technology Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-12-24
Anticipated expiration: 2028-12-27

Abstract

The utility model belongs to the technical field of filter, a filter core is related to, it has solved the relatively poor scheduling problem of current filter core filter effect. This filter core includes the casing, and the air intake has been seted up to the air inlet end of casing, and the air outlet has been seted up to the air-out end of casing, sets up the filter chamber that is linked together with air intake and air outlet in the casing, is provided with main filter screen in the filter chamber, and the both ends of main filter screen are close to the both sides of air outlet, and the middle part of main filter screen is buckled towards the direction of air intake. The utility model has the advantages of good filtering effect and the like.

Description

Filter element

Technical Field

The utility model belongs to the technical field of filter, a filter core is related to.

Background

The fresh air machine introduces outdoor air with high oxygen content into the room through the fan, and reduces the carbon dioxide value which continuously rises in the indoor closed environment. Considering different levels of dust and other impurities in actual outdoor air, filters need to be added to achieve filtration of the air.

A new fan filters filter core as chinese patent CN 206642503U discloses, it includes the primary filter screen, well effect filter screen and the high-efficient filter screen of arranging in proper order from outer to interior by the new trend entry end of new fan, and the primary filter screen front end still is provided with the carbon fiber filter screen. Because the carbon fiber filter screen can wash at any time, the dual action through the physical dust removal of carbon fiber filter screen and electrostatic precipitator blocks the micronic dust tentatively again through just imitating the filter screen, well effect filter screen and high-efficient filter screen carry out thorough purification to the indoor outdoor air of new fan introduction, can continue to use after the micronic dust that blocks tentatively on the carbon fiber filter screen washs, and three filter screens in the back all can not wash, reduce the micronic dust volume that gets into three filter screens at the back, the life that can not wash the filter screen at the back is prolonged, make whole new trend system environmental protection more.

However, the filter screens in the existing filter elements are all designed in a flat plate type, and the contact area between air and the filter screens is limited, so that the filtering effect of the filter screens is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a there is above-mentioned problem to current technique, has proposed a filter core, the utility model aims to solve the technical problem that: how to improve the filter effect through the filter area who improves this filter core.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a filter core, the filter core includes the casing, the air intake has been seted up to the air inlet end of casing, the air outlet has been seted up to the air-out end of casing, set up in the casing with the filter chamber that air intake and air outlet are linked together, be provided with main filter screen in the filter chamber, the both ends of main filter screen are close to the both sides of air outlet, the middle part of main filter screen is buckled towards the direction of air intake.

The working principle is as follows: when this filter core used, the air got into the filter chamber from the air intake, and impurity in the air can adsorb on main filter screen, and the air after the filtration flows to indoor through the air outlet, leads to indoor with clean outdoor air. Because the main filter screen middle part in this design is buckled towards the direction of air intake, can effectively enlarge filtration area to improve the filter effect.

In foretell filter core, still the slope is provided with two side filter screens in the casing, two the side filter screen is located the both sides of main filter screen respectively, the inner of side filter screen is close to the tip of main filter screen and form the contained angle between the two, the outer end of side filter screen is close to the air inlet end of casing and both form the acute angle. After two side filter screens are designed, the filter screen is matched with the main filter screen to form a filter element which is approximately in an M shape, so that the filtering area can be further increased, and the filtering effect is improved.

In foretell filter core, as a scheme, main filter screen includes the sub-filter screen that two components of a whole that can function independently set up, the outer end of sub-filter screen is close to the air-out end of casing, the inner orientation of sub-filter screen the air intake, and be connected through the connecting piece between the inner of two sub-filter screens, the connecting piece sets up on the casing. The main filter screen is designed into two split sub-filter screens, so that the development difficulty can be reduced; the connecting piece is designed between the two, and the sub-filter screen can be supported and fixed, so that the sub-filter screen is prevented from shifting under the action of wind force.

In the above filter element, the connecting member includes a sector tube, two ends of the sector tube are connected to the housing, two planes of the sector tube are connected to the inner ends of the sub-filter screens, and the arc surface of the sector tube faces the air inlet. The connecting piece is designed into a fan-shaped cylinder, and the cambered surface of the fan-shaped cylinder faces the air inlet, so that the flow guiding effect can be achieved, and the resistance to wind when the connecting piece is in contact with the wind is reduced; be the cylindric with its design, inside fretwork can effectively reduce the whole weight of a fan-shaped section of thick bamboo, reduces the pressure to the junction between a fan-shaped section of thick bamboo and the casing, guarantees the installation stability of a fan-shaped section of thick bamboo to form better support to the sub-filter screen.

In the filter element, as another scheme, the main filter screen is a V-shaped filter screen designed in an integrated manner.

In foretell filter core, the casing includes air inlet plate and the play tuber plate that the interval set up, air intake and air outlet are seted up respectively on this air inlet plate and play tuber plate, be connected through the curb plate between air inlet plate and the play tuber plate, air inlet plate, play tuber plate and curb plate intercombination form the filter chamber.

In foretell filter core, set up on the air inlet plate with the draw-in groove one of the outer end looks joint of side filter screen, set up on the air-out plate with the draw-in groove two of the inner end looks joint of side filter screen, set up on the air-out plate with the draw-in groove three of the end looks joint of main filter screen, set up on the curb plate with the draw-in groove four of main filter screen and side filter screen looks joint. The main filter screen and the side filter screens are all clamped on the shell, so that the filter screens in later periods are convenient to replace.

In foretell filter core, all seted up draw-in groove five on two planes of connecting piece, the inner joint of sub-filter screen is in draw-in groove five. The sub-filter screens are clamped with the connecting pieces, and the maintenance and the replacement can be conveniently realized; and if it has a sub-filter screen when needing to be changed, only need change this sub-filter screen alone can, and do not need whole change, effectively reduce cost of maintenance.

In the above filter element, the air inlet plate is further provided with a primary filter screen. After the design has the primary filter screen, can adsorb great impurity and filter, improve the filter effect.

Compared with the prior art, the utility model has the advantages of it is following:

when this filter core used, the air got into the filter chamber from the air intake, and impurity in the air can adsorb on main filter screen, and the air after the filtration flows to indoor through the air outlet, leads to indoor with clean outdoor air. Because the main filter screen middle part in this design is buckled towards the direction of air intake, can effectively enlarge filtration area to improve the filter effect.

Drawings

Fig. 1 is an isometric view of the present filter cartridge of the first embodiment.

Fig. 2 is an assembly view of the present cartridge in accordance with a first embodiment.

Fig. 3 is a cross-sectional view of the present cartridge in accordance with one embodiment.

FIG. 4 is an isometric view of the present outlet plate in the first embodiment.

Fig. 5 is a front view of the air outlet plate according to the first embodiment.

FIG. 6 is a front view of the first embodiment of the present side plate.

Fig. 7 is an isometric view of the present air inlet panel of the first embodiment.

Figure 8 is an isometric view of the present coupling in accordance with one embodiment.

Fig. 9 is a schematic structural diagram of the filter element in the second embodiment.

In the figure, 1, a housing; 2. an air inlet; 3. an air outlet; 4. a filter chamber; 5. a main filter screen; 6. a side filter screen; 7. a sub-filter screen; 8. a connecting member; 9. a sector cylinder; 10. a plane; 11. a cambered surface; 12. an air inlet plate; 13. an air outlet plate; 14. a side plate; 15. a first clamping groove; 16. a second clamping groove; 17. a third clamping groove; 18. a clamping groove IV; 19. a fifth clamping groove; 20. a primary filter screen; 21. and a clamping groove six.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

as shown in fig. 1, fig. 2 and fig. 3, the filter element comprises a casing 1, an air inlet 2 is arranged at the air inlet end of the casing 1, an air outlet 3 is arranged at the air outlet end of the casing 1, and a filter chamber 4 communicated with the air inlet 2 and the air outlet 3 is arranged in the casing 1. In this embodiment, the housing 1 includes an air inlet plate 12 and an air outlet plate 13 that are disposed at an interval, the air inlet 2 and the air outlet 3 are respectively opened on the air inlet plate 12 and the air outlet plate 13, the air inlet plate 12 is connected with the air outlet plate 13 through a side plate 14, and the air inlet plate 12, the air outlet plate 13 and the side plate 14 are combined with each other to form the filter chamber 4. The air inlet plate 12 is also provided with a primary filter screen 20.

As shown in fig. 3, a main filter screen 5 is disposed in the filter chamber 4, two ends of the main filter screen 5 are close to two sides of the air outlet 3, and the middle of the main filter screen 5 is bent toward the air inlet 2. In this embodiment, main filter screen 5 includes two sub-filter screens 7 that the components of a whole that can function independently set up, and the outer end of sub-filter screen 7 is close to the air-out end of casing 1, and the inner of sub-filter screen 7 is towards air intake 2, and is connected through connecting piece 8 between the inner of two sub-filter screens 7, and connecting piece 8 sets up on casing 1.

Preferably, as shown in fig. 8, the connecting member 8 includes a fan-shaped cylinder 9, two ends of the fan-shaped cylinder 9 are connected with the housing 1, two planes 10 of the fan-shaped cylinder 9 are connected with the inner end of the sub-filter screen 7, and the arc surface 11 of the fan-shaped cylinder 9 faces the air inlet 2. Five clamping grooves 19 are formed in two planes 10 of the fan-shaped cylinder 9, and the inner ends of the sub-filter screens 7 are clamped in the five clamping grooves 19.

As shown in fig. 2 and 3, two side filter screens 6 are further obliquely arranged in the housing 1, the two side filter screens 6 are respectively located at two sides of the main filter screen 5, an included angle is formed between the end portions, close to the main filter screen 5, of the inner ends of the side filter screens 6, and an acute angle is formed between the outer ends of the side filter screens 6 and the air inlet end, close to the housing 1.

In order to facilitate replacement of each filter screen, as shown in fig. 4, 5, 6 and 7, a first clamping groove 15 clamped with the outer end of the side filter screen 6 is formed in the air inlet plate 12, a second clamping groove 16 clamped with the inner end of the side filter screen 6 is formed in the air outlet plate 13, a third clamping groove 17 clamped with the end of the main filter screen 5 is formed in the air outlet plate 13, and a fourth clamping groove 18 clamped with the main filter screen 5 and the side filter screen 6 is formed in the side plate 14; the side plate 14 is also provided with a clamping groove six 21 clamped with the fan-shaped cylinder 9.

Example two:

this embodiment is substantially the same as the first embodiment except that, as shown in fig. 9, the main screen 5 in this embodiment is a V-shaped screen with an integrated design.

The working principle of the utility model is as follows: when this filter core used, the air got into filter chamber 4 from air intake 2, and impurity in the air can adsorb on main filter screen 5 and side filter screen 6, and the air after the filtration flows to indoor through air outlet 3, leads to indoor clean outdoor air.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a filter core, its characterized in that, the filter core includes casing (1), air intake (2) have been seted up to the air inlet end of casing (1), air outlet (3) have been seted up to the air-out end of casing (1), seted up in casing (1) with filter chamber (4) that air intake (2) and air outlet (3) are linked together, be provided with main filter screen (5) in filter chamber (4), the both ends of main filter screen (5) are close to the both sides of air outlet (3), the middle part of main filter screen (5) is buckled towards the direction of air intake (2).

2. The filter element according to claim 1, wherein two side filter screens (6) are further obliquely arranged in the housing (1), the two side filter screens (6) are respectively positioned at two sides of the main filter screen (5), the inner ends of the side filter screens (6) are close to the end part of the main filter screen (5) and form an included angle therebetween, and the outer ends of the side filter screens (6) are close to the air inlet end of the housing (1) and form an acute angle therebetween.

3. The filter element according to claim 2, wherein the main filter screen (5) comprises two sub filter screens (7) which are separately arranged, the outer ends of the sub filter screens (7) are close to the air outlet end of the housing (1), the inner ends of the sub filter screens (7) face the air inlet (2), the inner ends of the two sub filter screens (7) are connected through a connecting piece (8), and the connecting piece (8) is arranged on the housing (1).

4. The filter cartridge according to claim 3, wherein the connecting piece (8) comprises a sector (9), both ends of the sector (9) are connected with the housing (1), two planes (10) of the sector (9) are connected with the inner ends of the sub-screens (7), and the arc surface (11) of the sector (9) faces the air inlet (2).

5. The filter cartridge according to claim 2, characterized in that the main screen (5) is a "V" screen of one-piece design.

6. The filter element of claim 3, 4 or 5, wherein the housing (1) comprises an air inlet plate (12) and an air outlet plate (13) which are arranged at intervals, the air inlet (2) and the air outlet (3) are respectively arranged on the air inlet plate (12) and the air outlet plate (13), the air inlet plate (12) and the air outlet plate (13) are connected through a side plate (14), and the air inlet plate (12), the air outlet plate (13) and the side plate (14) are combined with each other to form the filter chamber (4).

7. The filter element of claim 6, wherein a first clamping groove (15) clamped with the outer end of the side filter screen (6) is formed in the air inlet plate (12), a second clamping groove (16) clamped with the inner end of the side filter screen (6) is formed in the air outlet plate (13), a third clamping groove (17) clamped with the end of the main filter screen (5) is formed in the air outlet plate (13), and a fourth clamping groove (18) clamped with the main filter screen (5) and the side filter screen (6) is formed in the side plate (14).

8. The filter element according to claim 4, wherein two planes (10) of the connecting piece (8) are provided with five clamping grooves (19), and the inner ends of the sub-filter screens (7) are clamped in the five clamping grooves (19).

9. The filter element of claim 6, wherein the air inlet plate (12) is further provided with a primary filter screen (20).