CN210645521U

CN210645521U - Push-pull type filter

Info

Publication number: CN210645521U
Application number: CN201921536080.7U
Authority: CN
Inventors: 满正厚; 王瀚
Original assignee: Yuchen Laboratory System Technology Suzhou Co Ltd
Current assignee: Yuchen Laboratory System Technology Suzhou Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-02
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to an air filtration technology field specifically provides a push-pull filter, including the filter screen, seal the frame, first seal groove, second seal groove and coupling mechanism, two seal frames set up respectively on both ends about the filter screen, first seal groove and second seal groove set up respectively in the outside of two seal frames, coupling mechanism sets up between the first seal groove and the second seal groove of butt joint of each other, coupling mechanism includes first connecting piece and second connecting piece, first connecting piece sets up in first seal groove, the second connecting piece sets up at the second seal groove, first connecting piece and the setting of pegging graft of each other of second connecting piece on the adjacent push-pull filter, peg graft through first connecting piece and second connecting piece and can take out adjacent push-pull filter simultaneously. The utility model discloses convenient maintenance or change has effectively improved work efficiency, has reduced work load, can adjust the length of whole filter, makes its use more nimble convenient.

Description

Push-pull type filter

Technical Field

The utility model relates to an filtration technical field especially relates to a plug-type filter.

Background

The primary filter is suitable for primary filtration of an air conditioning system and is mainly used for filtering dust particles with the particle size of more than 5 mu m.

The existing nylon net filter or primary filter uses a plurality of multi-filters to form a filter unit in a filter frame during use. Because a plurality of filters are independent units, when the filter is repaired or replaced, the single piece is drawn out, and when the filter is drawn out, the filter positioned in the filter cannot be drawn out, so that the repair or replacement is inconvenient, the workload is large, and a great deal of inconvenience is brought to the use and maintenance of a user in the process aspects of installation, disassembly, repair and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the single piece is taken out to cause the maintenance or the replacement inconvenient, the workload is large, and the use and the maintenance of the user in the process aspects of installation, disassembly, maintenance and the like bring inconvenience, and the push-pull filter is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a push-pull type filter comprises a filter screen, two sealing frames, a first sealing groove, a second sealing groove and a connecting mechanism, wherein the two sealing frames are respectively arranged at the left end and the right end of the filter screen;

the connecting mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged in the first sealing groove, the second connecting piece is arranged in the second sealing groove, the first connecting piece and the second connecting piece on the adjacent push-pull type filters are mutually inserted and arranged, and the adjacent push-pull type filters can be simultaneously taken out through the mutual insertion of the first connecting piece and the second connecting piece.

Preferably, an adjusting mechanism is arranged between the end parts of the two sealing frames, the adjusting mechanism comprises a sliding groove plate and a sliding plate, the sliding groove plate and the sliding plate are respectively fixed on the end parts of the two sealing frames, the inner end of the sliding plate is slidably arranged in the sliding groove plate, and the sliding plate slides in the sliding groove plate to adjust the length of the push-pull filter.

Preferably, the top end and the bottom end of the first sealing groove are respectively provided with a separation blade, the separation blades are used for limiting the connecting mechanism, and the second sealing groove is identical to the first sealing groove in structure.

Preferably, the first connecting piece and the second connecting piece are hook structures which are mutually inserted.

Preferably, the bottom surface of the sliding plate is connected with a damping fin, the damping fin is used for increasing the friction force of the inner cavities of the sliding plate and the sliding groove plate, the damping fin is a rubber sheet, and anti-skid grains are uniformly arranged on the bottom surface of the damping fin.

Preferably, the filter screen adopts a layered overlapping structure.

Preferably, the filter screen is a wave-shaped folding structure, and the wave-shaped folding structure is used for adapting to the adjustment of the length of the push-pull type filter.

Preferably, the filter screen is primary filter cotton or at least comprises two layers of nylon nets with six layers at most.

Preferably, the front end and the rear end of the filter screen are both provided with elastic strips, and the elastic strips are used for sealing the front end and the rear end of the filter screen.

Preferably, the elastic strip is an elastic strip with a belt-shaped structure.

The utility model provides a push-pull type filter, beneficial effect lies in:

1. this plug-type filter constitutes a continuous combination formula filter to a plurality of monolithic filters through the connecting piece, and during maintenance and change, the multichip filter can be taken out from the equipment simultaneously, and convenient maintenance or change has effectively improved work efficiency, has reduced work load.

2. This plug-type filter realizes the adjustability of monolithic filter length through chute board and slide, makes things convenient for the length of the better whole filter of regulation among the concatenation process, makes its application more nimble convenient.

3. According to the push-pull type filter, the sealing groove is formed in the outer side of the connecting piece, so that the air tightness of the connecting position of a plurality of single-piece filters is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic perspective view of a single-piece push-pull filter according to an embodiment;

FIG. 2 is a schematic front view of a single piece push-pull filter according to an embodiment;

FIG. 3 is a schematic internal view of a single-piece push-pull filter according to an embodiment;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is a block diagram of a two piece push-pull filter combination as set forth in the examples;

FIG. 6 is a block diagram of the connection of a two piece push-pull filter assembly according to an embodiment.

Reference numerals:

1. the filter screen, 2, seal the frame, 3, elastic strip, 4, chute board, 5, slide, 6, first seal groove, 7, first connecting piece, 8, second seal groove, 9, second connecting piece, 10, damping fin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to fig. 1, a push-pull type filter, including filter screen 1, seal frame 2, first seal groove 6, second seal groove 8 and coupling mechanism, filter screen 1 adopts stratiform stack structure, filter screen 1 is just imitated the filter pulp or at least by two-layer, be six layers nylon wire group at most, can ensure that filter screen 1 has good just imitating filtration efficiency, both ends all are equipped with elastic strip 3 around filter screen 1, elastic strip 3 is used for sealed filter screen 1 both ends around, elastic strip 3 is the elasticity strip of band structure, elastic strip 3 can seal filter screen 1 both ends around, also play sealed effect when push-pull type filter length adjusts simultaneously.

Referring to fig. 6, two seal frames 2 are respectively arranged at the left end and the right end of a filter screen 1, a first seal groove 6 and a second seal groove 8 are respectively arranged at the outer sides of the two seal frames 2, blocking pieces are arranged at the top end and the bottom end of the first seal groove 6 and used for limiting a connecting mechanism, and the second seal groove 8 and the first seal groove 6 are identical in structure; first seal groove 6 and second seal groove 8 have ensured the leakproofness at both ends about the monolithic plug-type filter on the one hand, and the another side has also ensured the good leakproofness of multi-disc plug-type filter concatenation department, and when the concatenation, the separation blade of adjacent

first seal groove

6 and 8 tops of second seal groove, bottom stacks each other, has ensured the leakproofness of concatenation department.

Referring to fig. 2, the connection mechanism is arranged between a first seal groove 6 and a second seal groove 8 which are butted with each other, the connection mechanism comprises a first connection piece 7 and a second connection piece 9, the first connection piece 7 is arranged in the first seal groove 6, the second connection piece 9 is arranged in the second seal groove 8, the first connection piece 7 and the second connection piece 9 on adjacent push-pull filters are arranged in an inserted manner, the first connection piece 7 and the second connection piece 9 are hook structures which are inserted with each other, and the adjacent push-pull filters can be simultaneously drawn out through the mutual insertion of the first connection piece 7 and the second connection piece 9; the first connecting piece 7 and the second connecting piece 9 realize the interconnection of the push-pull filters to form a continuous combined filter, and when the combined filter is maintained and replaced, the filters can be drawn out from the equipment at the same time, so that the combined filter is convenient to maintain or replace, the working efficiency is effectively improved, and the workload is reduced.

Referring to fig. 3-5, an adjusting mechanism is arranged between the end parts of the two sealing frames 2, the adjusting mechanism comprises a sliding groove plate 4 and a sliding plate 5, the sliding groove plate 4 and the sliding plate 5 are respectively fixed on the end parts of the two sealing frames 2, the inner end of the sliding plate 5 is slidably arranged in the sliding groove plate 4, the sliding plate 5 slides in the sliding groove plate 4 to adjust the length of the push-pull filter, a damping sheet 10 is adhesively connected to the bottom surface of the sliding plate 5, the damping sheet 10 is used for increasing the friction force between the sliding plate 5 and the inner cavity of the sliding groove plate 4, the damping sheet 10 is a rubber sheet, and the bottom surface of the damping sheet 10 is uniformly provided; the damping fin 10 can be adjusted the back and fix a position sliding groove board 4 and slide 5, and the addition of damping fin 10 makes it be comparatively difficult to slide between sliding groove board 4 and the slide 5, just can make its removal when applying certain pulling force or thrust, when fixing push-pull type filter at equipment, can not take place to slide between sliding groove board 4 and the slide 5, ensures the stability of push-pull type filter use.

Example two:

the difference between this embodiment and the first embodiment is:

referring to fig. 3, the filter screen 1 is of a wave-shaped folding structure, and the wave-shaped folding structure is used for adapting to the adjustment of the length of the push-pull type filter; the filter screen 1 of the wave-shaped folding structure increases the filtering efficiency of a unit area on the one hand, and meanwhile, the filter screen 1 of the wave-shaped folding structure can be conveniently stretched or shortened to adapt to the adjustment of the length of a single piece of the push-pull type filter, and meanwhile, the length of the whole filter can be better adjusted in the splicing process, so that the filter screen is more flexible and convenient to use.

When in use: the first connecting pieces 7 and the second connecting pieces 9 among the push-pull filters are connected with each other to form a continuous combined filter, after splicing is completed, the length of one push-pull filter is adjusted according to the size of the equipment installation frame, so that the whole filter can be smoothly installed in the equipment, before installation, sponge sealing adhesive tapes are glued on the peripheries of two side faces of the whole filter, and the air tightness of the whole periphery is further improved.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A push-pull type filter comprises a filter screen (1), seal frames (2), a first seal groove (6), a second seal groove (8) and a connecting mechanism, and is characterized in that the two seal frames (2) are respectively arranged at the left end and the right end of the filter screen (1), the first seal groove (6) and the second seal groove (8) are respectively arranged at the outer sides of the two seal frames (2), and the connecting mechanism is arranged between the first seal groove (6) and the second seal groove (8) which are mutually butted;

the connecting mechanism comprises a first connecting piece (7) and a second connecting piece (9), the first connecting piece (7) is arranged in a first sealing groove (6), the second connecting piece (9) is arranged in a second sealing groove (8), the first connecting piece (7) and the second connecting piece (9) on adjacent push-pull filters are mutually inserted and arranged, and the adjacent push-pull filters can be simultaneously extracted through mutual insertion of the first connecting piece (7) and the second connecting piece (9).

2. A push-pull filter according to claim 1, characterized in that an adjusting mechanism is arranged between the ends of the two sealing frames (2), the adjusting mechanism comprises a sliding groove plate (4) and a sliding plate (5), the sliding groove plate (4) and the sliding plate (5) are respectively fixed on the ends of the two sealing frames (2), the inner end of the sliding plate (5) is slidably arranged in the sliding groove plate (4), and the sliding plate (5) slides in the sliding groove plate (4) for adjusting the length of the push-pull filter.

3. A push-pull filter according to claim 1 wherein the first sealing groove (6) is provided with a stop piece at both top and bottom ends for limiting the connection mechanism, and the second sealing groove (8) and the first sealing groove (6) have the same structure.

4. A push-pull filter according to claim 1, characterised in that the first (7) and second (9) connectors are of inter-engaging hook construction.

5. A push-pull filter according to claim 2, characterized in that the bottom surface of the slide plate (5) is glued with a damping fin (10), the damping fin (10) is used to increase the friction force between the slide plate (5) and the inner cavity of the chute plate (4), the damping fin (10) is a rubber sheet, and the bottom surface of the damping fin (10) is uniformly provided with anti-skid lines.

6. A push-pull filter according to claim 1, characterised in that the screen (1) is of a layered stack.

7. A push-pull filter according to claim 2, characterised in that the screen (1) is of a wave-shaped pleated structure adapted to accommodate length adjustment of the push-pull filter.

8. A push-pull filter according to claim 6 or 7, characterised in that the screen (1) is primary filter cotton or is composed of at least two layers, up to six layers, of nylon mesh.

9. A push-pull filter according to claim 1, characterised in that the filter mesh (1) is provided with elastic strips (3) at both the front and rear ends, the elastic strips (3) being arranged to seal the front and rear ends of the filter mesh (1).

10. A push-pull filter according to claim 9, characterised in that the elastic strip (3) is an elastic strip of a band-like structure.