CN214551931U

CN214551931U - Bag type primary filter

Info

Publication number: CN214551931U
Application number: CN202120739217.XU
Authority: CN
Inventors: 葛思倩; 俞龙�; 龚海霞; 黄振伟
Original assignee: Phillinger Environmental Equipment Technology Suzhou Co ltd
Current assignee: Phillinger Environmental Equipment Technology Suzhou Co ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-11-02
Anticipated expiration: 2031-04-10

Abstract

The utility model belongs to the technical field of air conditioner filter and specifically relates to a bag type primary filter is related to, and it includes the planking, the vent has been seted up on the planking, be equipped with the filter tube that communicates in the vent on the planking, seted up a plurality of first filtration pores on the lateral wall of filter tube, still be equipped with in the filter tube and cross the filter bag. This application filter tube that sets up on the planking can play the effect of support to crossing the filter bag, and when the air passed filter bag and first filtration hole, be difficult for producing the damage on the filter bag to the filter effect of bag formula primary filter has been improved.

Description

Bag type primary filter

Technical Field

The application relates to the field of air conditioner filters, in particular to a bag type primary filter.

Background

The primary filter is a primary filter device of an air conditioning system, and when the air conditioner sucks air, the air firstly passes through the primary filter, and the primary filter can filter dust particles with the particle size of more than 5 mu m. The primary filter has three types, namely a plate type filter, a folding type filter and a bag type filter.

Wherein the filter bag on the bag filter can be replaced, and the cost is lower. Compared with other two filters, the bag filter can clean the primary filter only by replacing the filter bag, and the primary filter does not need to be integrally disassembled, dried and assembled.

In view of the above-mentioned related technologies, the inventor believes that the bag-type primary filter may be broken or torn when the wind force is large, thereby affecting the filtering effect of the bag-type primary filter.

SUMMERY OF THE UTILITY MODEL

In order to improve the filtering effect of the bag type primary filter, the application provides the bag type primary filter.

The application provides a bag type primary filter adopts following technical scheme:

the utility model provides a bag type primary filter, includes the planking, the vent has been seted up on the planking, be equipped with the filter tube that communicates in the vent on the planking, seted up a plurality of first filtration pores of crossing on the lateral wall of filter tube, still be equipped with in the filter tube and cross the filter bag.

Through adopting above-mentioned technical scheme, the air can enter into the filter tube through the vent, has seted up first filtration pore on the inner wall on the filter tube, and the inner wall of filter tube can play the effect of support to crossing the filter bag, and the air can pass and cross filter bag and first filtration pore to can reduce and cross the filter bag and take place damaged possibility, and then can strengthen the filter effect to the air

Optionally, the end face of the filter pipe close to the outer plate is provided with a limiting ring, and the limiting ring is provided with a pressing ring which is attached to the inner wall of the filter pipe.

Through adopting above-mentioned technical scheme, the clamping ring is laminated on the inner wall of filter tube to can produce the clamping action to the sack of filter bag, the spacing ring can play spacing effect to the clamping ring, makes the filter bag be difficult for the filter tube emergence of filter bag to break away from.

Optionally, one end of the filtering pipe, which is far away from the outer plate, is provided with a baffle plate.

Through adopting above-mentioned technical scheme, the baffle can block that the air passes through from the one end of filter tube, and the baffle can play the effect of supporting to crossing the bag simultaneously to further reduce and cross the broken possibility of bag emergence.

Optionally, the outer ring communicated with the vent is sleeved outside the filtering pipe, a plurality of second filtering holes are formed in the outer ring, a secondary filtering bag is further arranged in the outer ring, and a locking assembly used for fixing the secondary filtering bag is further arranged on the outer ring.

Through adopting above-mentioned technical scheme, the locking subassembly can be fixed the secondary filter bag on the outer loop, and the air can enter into in the secondary filter bag after passing from first filtration pore, later can pass the secondary filter bag, and the secondary filter bag can carry out secondary filter to the air to the filter effect of bag-type primary filter has further been strengthened.

Optionally, the locking assembly includes a locking ring disposed on the outer ring near the end surface of the outer plate, the locking ring is provided with a plurality of locking nails for being inserted into the outer ring, and the end surface of the outer ring is provided with slots for inserting the locking nails.

By adopting the technical scheme, the locking ring is placed on the end face of the outer ring, and the locking nail can penetrate through the secondary filter bag and be inserted into the slot, so that the secondary filter bag is fixed.

Optionally, the inner diameter of the vent is smaller than the outer diameter of the outer ring and larger than the inner diameter of the outer ring.

Through adopting above-mentioned technical scheme, the air can not pass the vent and directly outside the outer loop, can place the locking ring on the terminal surface of outer loop simultaneously.

Optionally, a first connecting plate is arranged on the filter pipe, a second connecting plate is arranged on the outer plate, and one end, far away from the outer plate, of the second connecting plate is connected to the first connecting plate.

Through adopting above-mentioned technical scheme, the planking plays the effect that supports to the second connecting plate, and the second connecting plate plays the effect that supports to first connecting plate, and first connecting plate plays the effect that supports to the filter tube.

Optionally, a cover plate for plugging the vent is further arranged on the outer plate, and a plurality of through holes are formed in the cover plate.

Through adopting above-mentioned technical scheme, the air can pass in the through-hole enters into the filter tube, and the apron can block that massive foreign matter enters into in the filter tube.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the filter bag, the filter pipes arranged on the outer plate can support the filter bag, and when air passes through the filter bag and the first filter holes, the filter bag is not easy to damage, so that the filter effect of the bag type primary filter is improved;

2. this application can play secondary filter's effect to the air at the secondary filter bag that the filter tube set up outward, has further strengthened the filter effect of bag-type primary filter.

Drawings

Fig. 1 is a schematic diagram of the general structure of a bag-type primary filter according to an embodiment of the present disclosure.

Fig. 2 is a cross-sectional view of a filter tube according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Description of reference numerals: 1. an outer plate; 2. a vent; 3. a cover plate; 4. a through hole; 5. an outer ring; 6. a second filtering hole; 7. secondary filter bags; 8. a second connecting plate; 9. a first connecting plate; 10. a filter tube; 11. a first filtering hole; 12. a filter bag; 13. a seal ring; 14. a locking ring; 15. locking the nail; 16. a slot; 17. a baffle plate; 18. a limiting ring; 19. and (5) pressing a ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a bag type primary filter. Referring to fig. 1, a bag type primary filter includes planking 1, has seted up circular shape vent 2 on the planking 1, still is equipped with the apron 3 that is used for shutoff vent 2 on the planking 1, has seted up a plurality of through-holes 4 on the apron 3, and through-hole 4 can block the foreign matter and pass through.

Referring to fig. 2, an outer ring 5 is disposed on the outer plate 1, and a plurality of second filtering holes 6 are disposed on the outer ring 5. Be equipped with secondary filter bag 7 in the outer loop 5, still be equipped with the second connecting plate 8 that is located 2 inner walls of vent department on the planking 1, be equipped with first connecting plate 9 on the second connecting plate 8, be equipped with on the first connecting plate 9 with the coaxial filter tube 10 of outer loop 5, first connecting plate 9 and second connecting plate 8 play the effect of support to filter tube 10. The outer diameter of the filtering pipe 10 is smaller than the inner diameter of the outer ring 5, a plurality of first filtering holes 11 are formed in the filtering pipe 10, and a filtering bag 12 is arranged in the filtering pipe 10. One side that the apron 3 is close to the filter tube 10 is equipped with sealing ring 13, and the one end butt that the apron 3 was kept away from to sealing ring 13 is to the terminal surface of filter tube 10, and through-hole 4 is located sealing ring 13. Air enters the filter pipe 10 through the through holes 4 of the cover plate 3, and then passes through the filter bag 12 and the first filter hole 11, and the filter bag 12 performs a first filtering operation on the air. The air passing through the filter pipe 10 enters the secondary filter bag 7, and finally the air passes through the secondary filter bag 7 and the second filter holes 6, and the secondary filter bag 7 can enhance the air filtering effect of the bag-type primary filter. The filter tube 10 acts as a support for the filter bag 12 as air passes through the filter bag 12, thereby reducing the likelihood of breakage of the filter bag 12. The outer ring 5 can support the secondary filter bag 7, thereby reducing the possibility of breakage of the secondary filter bag 7.

Referring to fig. 2, a baffle 17 is arranged at one end of the filter pipe 10 far away from the cover plate 3, and the baffle 17 can support the filter bag 12, so that the possibility of breakage of the filter bag 12 is further reduced. Meanwhile, the baffle 17 enables air to only pass through the first filtering holes 11, so that the impact of the secondary filtering bag 7 caused by the air is reduced, and the secondary filtering bag 7 is protected.

Referring to fig. 2 and 3, the inner diameter of the vent 2 is smaller than the outer diameter of the outer ring 5 so that air cannot pass between the outer ring 5 and the outer panel 1. The end face of the outer ring 5 is provided with a locking ring 14, and the inner diameter of the vent 2 is larger than that of the outer ring 5, so that the locking ring 14 can be placed on the end face of the outer ring 5. The side face, close to the outer ring 5, of the locking ring 14 is provided with a plurality of locking nails 15, the end face of the outer ring 5 is provided with a plurality of slots 16, and the locking nails 15 can penetrate through the secondary filter bag 7 and be inserted into the slots 16, so that the fixation of the secondary filter bag 7 is realized, and the possibility that the secondary filter bag 7 is separated from the filter pipe 10 is reduced. When the secondary filter bag 7 needs to be replaced, the cover plate 3 and the locking ring 14 are opened, and the secondary filter bag 7 can be taken out and replaced.

Referring to fig. 2 and 4, a limiting ring 18 is further arranged on the end face of the filter pipe 10 close to the cover plate 3, a pressing ring 19 is arranged on the limiting ring 18, the pressing ring 19 can be attached to the inner wall of the filter pipe 10 and can slide relative to the inner wall of the filter pipe 10, so that the pressing ring 19 and the filter pipe 10 can clamp the filter bag 12, and the possibility of relative movement between the filter bag 12 and the filter pipe 10 is reduced. The limiting ring 18 can limit the pressing ring 19, so that the pressing ring 19 can only stay at one end of the filter pipe 10 close to the cover plate 3.

The implementation principle of the bag-type primary filter in the embodiment of the application is as follows: the air passes apron 3 and enters into filter tube 10 in, and filter tube 12 can carry out the first filtration to the air, and filter tube 10 can play the effect of support to filter tube 12 simultaneously, has reduced and has filtered the possibility that filter tube 12 received the damage to the filter effect of bag-type primary filter has been strengthened. The secondary filter bag 7 can carry out secondary filtration to the air, has further strengthened the filter effect of bag-type primary filter.

Compared with the prior art, the filter tube 10 that this application embodiment set up on the outer panel 1 can play the effect of support to crossing filter bag 12, and when the air passed filter bag 12 and first filtration hole 11, it is difficult for producing the damage on the filter bag 12 to the filter effect of bag formula primary filter has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A bag type primary filter, characterized in that: including planking (1), vent (2) have been seted up on planking (1), be equipped with on planking (1) and communicate in filter tube (10) of vent (2), seted up a plurality of first filtration holes (11) on the lateral wall of filter tube (10), still be equipped with in filter tube (10) and cross filter bag (12).

2. The primary bag filter of claim 1, wherein: the filter tube (10) is provided with a limiting ring (18) on the end face close to the outer plate (1), and the limiting ring (18) is provided with a pressing ring (19) attached to the inner wall of the filter tube (10).

3. The primary bag filter of claim 1, wherein: one end of the filter pipe (10) far away from the outer plate (1) is provided with a baffle (17).

4. The primary bag filter of claim 1, wherein: the filter tube (10) is sleeved with an outer ring (5) communicated with the ventilation opening (2), the outer ring (5) is provided with a plurality of second filter holes (6), a secondary filter bag (7) is further arranged in the outer ring (5), and the outer ring (5) is further provided with a locking assembly used for fixing the secondary filter bag (7).

5. The primary bag filter of claim 4, wherein: the locking assembly comprises a locking ring (14) arranged on the end face, close to the outer plate (1), of the outer ring (5), a plurality of locking nails (15) used for being inserted into the outer ring (5) are arranged on the locking ring (14), and inserting grooves (16) for the locking nails (15) to be inserted are formed in the end face of the outer ring (5).

6. The primary bag filter of claim 1, wherein: the inner diameter of the ventilation opening (2) is smaller than the outer diameter of the outer ring (5) and larger than the inner diameter of the outer ring (5).

7. The primary bag filter of claim 6, wherein: the filter tube (10) is provided with a first connecting plate (9), the outer plate (1) is provided with a second connecting plate (8), and one end, far away from the outer plate (1), of the second connecting plate (8) is connected to the first connecting plate (9).

8. The primary bag filter of claim 6, wherein: the outer plate (1) is further provided with a cover plate (3) used for plugging the ventilation opening (2), and the cover plate (3) is provided with a plurality of through holes (4).