CN208990450U - A kind of abnormity disk filter - Google Patents

Abstract

The utility model discloses a kind of special-shaped disk filters, including filter paper and fixed disk；The filter paper is in sequential like fold；One lateral edge filter paper length direction of the fold is stained with connection strap, and the head and the tail of connection strap and the head and the tail of fold are equipped with hot melt adhesive and are fixedly connected；It inwardly folds into form inclined-plane positioned at part of the fold at outer rim；The lowermost end on the inclined-plane is apart from goffering certain altitude；The middle part of trying to get to the heart of a matter of the fixed disk offers the through-hole of the inner circle surrounded slightly larger than connection strap, and extends upward hollow cylinder along the through-hole outer；The inner circle that the connection strap is formed is sheathed in hollow cylinder；The outer circle that the filter paper is formed is placed in fixed disk, and the inner circle and outer circle are sealed with the foaming of PU glue with fixed disc.The utility model is structurally reasonable, and goffering inwardly folds into the inclined-plane to be formed, and when rinsing conducive to the outflow of impurity, makes cleaning just simple and convenient of filter core.

Description

A kind of abnormity disk filter

Technical field

The utility model relates to air filtration technical field, in particular to a kind of special-shaped disk filter.

Background technique

Air filtering core is a kind of filter, is called air filtration cartridge, air cleaner, style etc..Be mainly used for construction engine, Air filtration in automobile, agricultural locomotive, laboratory, sterile room and various accurate operation rooms.

The utility model patent of notification number CN207377681U discloses a kind of air filter filter core of circular configuration comprising filter Paper or non-woven fabrics, the filter paper or the non-woven fabrics are in the filter core of concentric circles fold, and the front and back sides of the filter core are equipped with a plurality of along table The radially-arranged hot melt adhesive in face is equal at the center of circle of the filter core and circumferential outer edge to carry out the reinforcing between the filter core concentric circles fold It is sealed with the foaming of PU glue.

Above-mentioned technical proposal can make filter area reach maximum in the case where same cross-section.When filter is by growing After time service, filter core therein has intercepted certain impurity, will lead to the increase of pressure, the reduction of flow, at this time With regard to needing cleaning in time;Cleaning is generally all taken and is rinsed with water, but due to the interception of the filter core of concentric circles fold formation Groove is flat shape, not certain gradient, and water flow can not take advantage of a situation the impurity in the groove for being deposited in flat shape punching It comes out, this allows for being inconvenient when clearing up filter core impurity.

In view of the above problems, needing to be proposed a kind of new solution.

Utility model content

The purpose of the utility model is to provide a kind of special-shaped disk filter, goffering inwardly fold into be formed it is oblique Face makes cleaning just simple and convenient of filter core when rinsing conducive to the outflow of impurity.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of abnormity disk filter, including filter paper and fixed disk；The filter paper is in sequential like fold；The one of the fold Lateral edge filter paper length direction is stained with connection strap, and the both ends of the connection strap and fold are respectively enclosed to inner circle far from the side of connection strap And outer circle, and the head and the tail of connection strap and the head and the tail of fold are equipped with hot melt adhesive and are fixedly connected；Positioned at fold at outer rim Part inwardly folds into form inclined-plane；The lowermost end on the inclined-plane forms reinforcement apart from goffering；In the trying to get to the heart of a matter of the fixed disk Portion offers the through-hole of the inner circle surrounded slightly larger than connection strap, and extends upward hollow cylinder along the through-hole outer；It is described The inner circle that connection strap is formed is sheathed on hollow cylinder shaft；The outer circle that the filter paper is formed is placed in fixed disk, the inner circle and Outer circle is sealed with the foaming of PU glue with fixed disc.

By adopting the above technical scheme, the fold slot that filter paper continuously folds formation can put aside impurity, entire filter paper be placed in In the matched fixed disk of filter paper shape, the least significant end on inclined-plane height below is just embedded at fixed disk outer, be located at height with On inclined-plane just favour fixed disk outer rim, in this way setting be conducive to impurity flowed out outside fixed disk under the action of water flow, no It blocks the outer that disk can be fixed.

Preferably, a height of 10-45mm of the pleat of the fold.

By adopting the above technical scheme, the high difference of pleat is adapted to different filter area and dust containing capacity.

Preferably, a height of 12-25mm of the pleat of the fold.

By adopting the above technical scheme, can not only dust containing capacity be made to be guaranteed, but also keeps filter effect high, fluid flowing produces Raw disturbance is reduced.

Preferably, the tilt angle on the inclined-plane is 30-75 °.

By adopting the above technical scheme, it can make not to be fixed disk at the outer of filter paper and withstand, impurity when being convenient to clean Outflow.

Preferably, the tilt angle on the inclined-plane is 45 °.

By adopting the above technical scheme, 45 ° of inclination angle not only increases aesthetics, but also the tilt angle makes the length of fold In lucky value, dust containing capacity is also protected.

Preferably, the pleat that the height of the hollow cylinder is higher than fold is high.

By adopting the above technical scheme, convenient filter paper be placed on it is hollow after, the difference in height of both can be used for applying PU glue foaming.

Preferably, the thickness that the PU glue at the height difference part of the hollow cylinder and fold foams is less than or equal to hollow The difference in height of cylinder and fold.

By adopting the above technical scheme, the thickness for preventing PU glue from foaming is higher than the distance of hollow cylinder, is unfavorable for fixed disk Installation.

Preferably, the thickness of the PU glue foaming bonded between the outer circle that the fixed disk and filter paper surround is remaining equal to described It is high；The depth that the reinforcement is embedded into corresponding PU glue foaming is more than or equal to the 80% of the thickness of corresponding PU glue foaming.

By adopting the above technical scheme, can make to make fixed disk in filter paper inclined-plane low side height insertion fixed disk below It tries to get to the heart of a matter lower than filter paper inclined-plane low side height below, the outflow of impurity when not stopping to clean.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model filter paper fold；

Fig. 2 is the structural schematic diagram of the utility model filter paper and fixed disk cooperation；

Fig. 3 is the method for folding schematic diagram of the utility model filter paper.

Appended drawing reference: 1, filter paper；2, fixed disk；3, inner circle；4, outer circle；5, inclined-plane；6, connection strap；7, hollow cylinder；8, The foaming of PU glue；9, reinforcement；10, pleat is high.

Specific embodiment

As described below is only preferred embodiments of the present invention, and protection scope is not limited merely to the embodiment, all The protection scope of the utility model should belong in the technical solution belonged under the utility model thinking.Simultaneously it should be pointed out that for For those skilled in the art, several improvements and modifications without departing from the principle of the utility model, this A little improvements and modifications also should be regarded as the protection scope of the utility model.

As shown in Figure 1, a kind of abnormity disk filter, filter paper 1 are in sequential like fold；The pleat of fold high 10 is 10-45mm, The pleat high 10 generallyd use in production is 12-25mm.Pleat within this range high 10 can guarantee filter area, dust containing capacity compared with Greatly and the perturbation of fluid flowing generation is smaller.Schematical sections filter paper 1 in Fig. 1, specific filter paper 1 is a whole circle, if can be by 1 fold of filter paper composition, one circle shown in dry Fig. 1, head and the tail junction is fixedly connected with hot melt adhesive.

As shown in Figure 1,1 length direction of a lateral edge filter paper of fold is stained with connection strap 6, the both ends of connection strap 6 and fold are remote Side from connection strap 6 is respectively enclosed to inner circle 3 and outer circle 4, and the head and the tail of connection strap 6 and the head and the tail of fold are equipped with hot melt adhesive It is fixedly connected；The tow sides of fold are coated with hot melt adhesive, guarantee the fastness of filter paper 1.

Fig. 3 is the folding line after sections of filter paper 1 flattens, as shown in figure 3, being located at part of the fold at outer circle 4 to infolding Into formation inclined-plane 5；The tilt angle on inclined-plane 5 is 30-75 °, not 45 ° of optimum tilt angle.The lowermost end on inclined-plane 5 is outside fold There are reinforcements 9 for circle 4；The reinforcement 9 is highly slightly above the depth of fixed disk 2；In above-mentioned angle can be according to practical condition.

As shown in Fig. 2, the middle part of trying to get to the heart of a matter of fixed disk 2 offers through-hole, what which was surrounded slightly larger than connection strap 6 Inner circle 3.Hollow cylinder 7 is extended upward along through-hole outer；The inner circle 3 that connection strap 6 surrounds is sheathed on 7 shaft of hollow cylinder；It is empty The height of heart cylinder 7 is slightly above that pleat is high by 10, is higher than pleat high 10 convenient for being coated with PU glue foaming 8 at pleat high 10 with hollow cylinder 7 Part is mutually fixed.

The outer circle 4 that filter paper 1 is surrounded is placed in fixed disk 2, and it is solid with fixed disk 2 to be coated within 4 one weeks PU glue foaming 8 around the outer circle Fixed, the thickness of the PU glue foaming 8 at this is equal to reinforcement 9；The depth that reinforcement 9 is embedded into corresponding PU glue foaming 8 is more than or equal to The 80% of the thickness of corresponding PU glue foaming 8.

Also there are the certain altitude either just depth with fixed disk 2 for upper end after guaranteeing reinforcement 9 in insertion fixed disk 2 Concordantly, the outflow of impurity when the disk body of fixed disk 2 so can just be made not stop cleaning.

Claims (8)

1. a kind of abnormity disk filter, including filter paper (1) and fixed disk (2)；It is characterized in that, the filter paper (1) is in continuous Shape fold；Lateral edge filter paper (1) length direction for the fold is stained with connection strap (6), the both ends of the connection strap (6) and fold Side far from connection strap (6) is respectively enclosed to inner circle (3) and outer circle (4), and the head and the tail of connection strap (6) head and the tail and fold are all provided with There is hot melt adhesive to be fixedly connected；It inwardly folds into form inclined-plane (5) positioned at part of the fold at outer rim；The inclined-plane (5) is most Bottom end forms reinforcement (9) apart from goffering；The middle part of trying to get to the heart of a matter of the fixed disk (2) is offered to be surrounded slightly larger than connection strap (6) Inner circle (3) through-hole, and extend upward hollow cylinder (7) along the through-hole outer；The inner circle that the connection strap (6) is formed (3) it is sheathed on hollow cylinder (7) shaft；The outer circle (4) that the filter paper (1) is formed is placed in fixed disk (2), the inner circle (3) PU glue foaming (8) is sealed with fixed disc with outer circle (4).

2. a kind of special-shaped disk filter according to claim 1, which is characterized in that the pleat of the fold high (10) is 10-45mm。

3. a kind of special-shaped disk filter according to claim 2, which is characterized in that the pleat of the fold high (10) is 12-25mm。

4. a kind of special-shaped disk filter according to claim 1, which is characterized in that the tilt angle of the inclined-plane (5) It is 30-75 °.

5. a kind of special-shaped disk filter according to claim 4, which is characterized in that the tilt angle of the inclined-plane (5) It is 45 °.

6. a kind of special-shaped disk filter according to claim 1, which is characterized in that the height of the hollow cylinder (7) It is high (10) higher than the pleat of fold.

7. a kind of special-shaped disk filter according to claim 1, which is characterized in that the hollow cylinder (7) and fold Height difference part at PU glue foaming (8) thickness be less than or equal to hollow cylinder (7) and fold difference in height.

8. a kind of special-shaped disk filter according to claim 1, which is characterized in that the fixed disk (2) and filter paper (1) The thickness of the PU glue foaming (8) bonded between the outer circle (4) surrounded is equal to the reinforcement (9)；The reinforcement (9) is embedded into correspondence PU glue foaming (8) in depth be more than or equal to corresponding PU glue foaming (8) thickness 80%.