CN219897417U - Junior middle-efficiency filter bag - Google Patents

Abstract

The utility model relates to a primary and middle-efficiency filter bag which comprises a frame, wherein a first filter cloth and a second filter cloth are respectively arranged on the inner side of the frame, a baffle plate is connected to the front end and the rear end of the frame in a sliding manner, connecting plates are fixed to the upper end and the lower end of the two baffle plates, a moving assembly is arranged in the two connecting plates, slotted holes are formed in the upper end and the lower end of the inner side of the frame, the moving assembly comprises limiting blocks clamped with the upper end and the lower end of the frame, pressing plates are fixed to the opposite sides of the upper limiting block and the lower limiting block, the moving assembly further comprises grooves formed in the opposite sides of the two connecting plates, and two pressing rods are hinged to the opposite sides of the upper pressing plate and the lower pressing plate. This junior middle efficiency filter bag through being provided with first filter cloth, second filter cloth, baffle, even board, slotted hole and removal subassembly, can increase the usable floor area of filter bag, makes first filter cloth and second filter cloth filter in proper order to can effectively improve the life of filter bag.

Description

Junior middle-efficiency filter bag

Technical Field

The utility model relates to the technical field of filter bags, in particular to a primary and medium-efficiency filter bag.

Background

The middle-efficiency filter bag is generally used for middle-stage filtration of an air conditioning system, secondary filtration of a precise dust-free room and front-stage filtration of a high-efficiency filter, and the periphery of the middle-efficiency filter in the prior art is bonded with an outer frame by special professional bonding glue, so that air leakage or damage caused by wind resistance pressure can be prevented.

The preliminary effect filter bag among the prior art at present, the state of spreading out of the filter bag is rectangular banding usually, the filter bag is wavy linear buckling along the length direction of frame, the filter bag is sewed up along the both ends of frame width direction, the preliminary effect filter bag among the prior art still has the defect that live time is shorter at present, in the use, after the long-time use of the preliminary effect filter bag, its filtration efficiency is low gradually, need frequently change it, guarantee the filter effect, therefore, it is particularly important to filter bag installation, traditional fixed mode is difficult to satisfy its demand, bring inconvenience for the user when the dismouting filter bag.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a primary and middle-efficiency filter bag which has the advantages of no need of frequent replacement and the like, and solves the problem of frequent replacement.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a junior middle efficiency filter bag, includes the frame, the inboard of frame is equipped with first filter cloth and second filter cloth respectively, both ends all sliding connection have the baffle around the frame, two the baffle is fixed with the link plate at both ends about, two link plate's inside is equipped with the removal subassembly, the slotted hole has all been seted up at the upper and lower both ends of frame inboard;

the movable assembly comprises limiting blocks which are clamped with the upper end and the lower end of the frame, pressing plates are fixed on the opposite sides of the upper limiting block and the lower limiting block, the movable assembly further comprises grooves formed in the opposite sides of the two connecting plates, two pressing rods are hinged to the opposite sides of the upper pressing plate and the lower pressing plate, pressing blocks are hinged to the other ends of the pressing rods, two pressing blocks are connected with one another in a hinged mode, a cross rod is connected with the two pressing blocks in a sliding mode, a driving rod is fixed on the front face of each pressing block, and two springs are sleeved on the outer surfaces of the cross rods.

Further, two limiting grooves are formed in the upper end and the lower end of the frame, and the limiting blocks are located in the limiting grooves and are clamped with the limiting grooves.

Further, the horizontal pole is located the inside of recess and fixed with it, the spout has all been seted up at the left and right sides both ends of recess inner chamber, the clamp plate is located the inside of spout and rather than sliding connection.

Further, round holes are formed in the opposite sides of the left pressing block and the right pressing block, and the cross rod penetrates through the outer portions of the two round holes and is connected with the two round holes in a sliding mode.

Further, the front surfaces of the two connecting plates are provided with sliding holes, and the driving rod penetrates through the sliding holes to the outside of the connecting plates and is in sliding connection with the connecting plates.

Further, the upper end and the lower end of the first filter cloth and the second filter cloth are both positioned in the slotted holes and are in sliding connection with the slotted holes, one side of the first filter cloth opposite to the second filter cloth is fixed, and one side of the first filter cloth opposite to the second filter cloth is fixed with the left side and the right side of the inner side of the frame respectively.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this junior middle efficiency filter bag through being provided with first filter cloth, second filter cloth, baffle, even board, slotted hole and removal subassembly, can increase the usable floor area of filter bag, makes first filter cloth and second filter cloth filter in proper order to can effectively improve the life of filter bag.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the slots and the first filter cloth of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1 frame, 2 first filter cloth, 3 second filter cloth, 4 baffle, 5 link plate, 6 slotted holes, 7 moving components, 701 limiting blocks, 702 pressing plates, 703 grooves, 704 pressing rods, 705 pressing blocks, 706 cross rods, 707 driving rods and 708 springs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an elementary and middle-efficiency filter bag in this embodiment includes a frame 1, a first filter cloth 2 and a second filter cloth 3 are respectively disposed on the inner side of the frame 1, two front and rear ends of the frame 1 are slidably connected with partition plates 4, connecting plates 5 are fixed on the upper and lower ends of the two partition plates 4, moving assemblies 7 are disposed in the two connecting plates 5, and slotted holes 6 are formed on the upper and lower ends of the inner side of the frame 1.

Wherein, the upper and lower both ends of first filter cloth 2 and second filter cloth 3 all are located the inside of slotted hole 6 and rather than sliding connection, so that first filter cloth 2 and second filter cloth 3 can laminate mutually with frame 1, avoid the upper and lower both ends gas leakage of filter bag, first filter cloth 2 is fixed mutually with the opposite side of second filter cloth 3, first filter cloth 2 and second filter cloth 3 are U type, the filter bag is formed by first filter cloth 2 and second filter cloth 3 combination, the front and back both sides of the department that two baffle 4 are connected with first filter cloth 2 and second filter cloth 3 respectively are fixed mutually, so that baffle 4 stretches or contracts the filter bag, the side that first filter cloth 2 and second filter cloth 3 are opposite is fixed mutually with the left and right sides of frame 1 inboard respectively, can fix the filter bag in frame 1, so as to stretch or shrink in frame 1.

Referring to fig. 3, the moving assembly 7 in this embodiment includes a limiting block 701 clamped to the upper and lower ends of the frame 1, two pressing plates 702 are fixed on opposite sides of the upper and lower limiting blocks 701, the moving assembly 7 further includes a groove 703 formed on opposite sides of the two connecting plates 5, two pressing rods 704 are hinged to opposite sides of the upper and lower pressing plates 702, a pressing block 705 is hinged to the other end of the pressing rod 704, a cross rod 706 is slidably connected to the inside of the two pressing blocks 705 in the same group, a driving rod 707 is fixed on the front surface of the pressing block 705, and two springs 708 are sleeved on the outer surface of the cross rod 706.

Wherein, two spacing grooves have all been seted up at the upper and lower both ends of frame 1, and stopper 701 is located the inside in spacing groove and rather than the joint, and stopper 701 removes to the inside in spacing groove to can change the position of baffle 4, thereby can extend or shrink first filter cloth 2 or second filter cloth 3.

And, horizontal pole 706 is located the inside of recess 703 and is fixed with it, and the spout has all been seted up at the left and right sides end of recess 703 inner chamber, and clamp plate 702 is located the inside of spout and sliding connection with it to clamp plate 702 can steadily slide in recess 703.

Wherein, round holes are formed on one side of the left and right pressing blocks 705, and the cross rod 706 penetrates through the outside of the two round holes and is in sliding connection with the two round holes, so that the pressing blocks 705 can move on the cross rod 706.

In addition, the slide holes are formed in the front surfaces of the two connecting plates 5, the driving rods 707 penetrate through the slide holes to the outside of the connecting plates 5 and are in sliding connection with the connecting plates, so that the driving rods 707 can penetrate through the outside of the connecting plates 5, and a user can conveniently stretch the left side and the right side of the filter bag.

The working principle of the embodiment is as follows:

when the filter cloth filter is used, through fixing one side of the first filter cloth 2 opposite to the second filter cloth 3 together, and fixing one side of the opposite sides of the first filter cloth 2 opposite to the two sides of the inner side of the frame 1, the two partition boards 4 are fixed with the front end and the rear end of the filter bag, the filter bag is located on the inner side of the frame 1 and is attached to the filter bag, when the first filter cloth 2 or the second filter cloth 3 stretches to the maximum and the service life is finished, the left and right driving rods 707 can be moved back to back, the pressing blocks 705 can be driven to extrude the springs 708, the pressing blocks 705 can pull the upper and lower pressing rods 704 to move back to back, so that the pressing rods 704 can drive the upper and lower limiting blocks 701 to move back to each other through the pressing plates 702, the limiting blocks 701 can be moved out of the limiting grooves of the frame 1, the two partition boards 4 can be moved on the frame 1, the filter cloth with the maximum extension can be contracted, and the contracted filter cloth can be unfolded, under the action of elasticity of the springs 708, the pressing blocks 705 can push the upper and lower pressing rods 704 to move relatively, and the service life of the filtering cloth can be doubled, and the service life of the filtering cloth can be prolonged by two times, and the service life of the filtering cloth can be prolonged by 2, and the service life of the filtering life is prolonged by 2.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A junior middle efficiency filter bag, comprising a frame (1), characterized in that: the inner side of the frame (1) is respectively provided with a first filter cloth (2) and a second filter cloth (3), the front end and the rear end of the frame (1) are both connected with a partition plate (4) in a sliding way, the upper end and the lower end of each partition plate (4) are fixedly provided with connecting plates (5), the inside of each connecting plate (5) is provided with a moving assembly (7), and the upper end and the lower end of the inner side of the frame (1) are both provided with slotted holes (6);

the movable assembly (7) comprises limiting blocks (701) clamped with the upper end and the lower end of the frame (1), pressing plates (702) are fixed on one sides of the upper limiting blocks and the lower limiting blocks (701) opposite to each other, the movable assembly (7) further comprises grooves (703) formed in one sides opposite to the two connecting plates (5), two pressing rods (704) are hinged to one sides of the upper pressing plates and the lower pressing plates (702) opposite to each other, pressing blocks (705) are hinged to the other ends of the pressing rods (704), cross rods (706) are connected with the inner parts of the pressing blocks (705) in a sliding mode, driving rods (707) are fixed on the front faces of the pressing blocks (705), and two springs (708) are sleeved on the outer surfaces of the cross rods (706).

2. A junior middle efficiency filter bag as defined in claim 1 wherein: two limiting grooves are formed in the upper end and the lower end of the frame (1), and the limiting blocks (701) are located in the limiting grooves and are clamped with the limiting grooves.

3. A junior middle efficiency filter bag as defined in claim 1 wherein: the cross rod (706) is located inside the groove (703) and is fixed with the groove, sliding grooves are formed in the left end and the right end of the inner cavity of the groove (703), and the pressing plate (702) is located inside the sliding grooves and is connected with the sliding grooves in a sliding mode.

4. A junior middle efficiency filter bag as defined in claim 1 wherein: round holes are formed in the opposite sides of the left pressing block (705) and the right pressing block, and the cross rod (706) penetrates through the outer parts of the two round holes and is connected with the two round holes in a sliding mode.

5. A junior middle efficiency filter bag as defined in claim 1 wherein: the front surfaces of the two connecting plates (5) are respectively provided with a sliding hole, and the driving rod (707) penetrates through the sliding holes to the outside of the connecting plates (5) and is connected with the sliding holes in a sliding mode.

6. A junior middle efficiency filter bag as defined in claim 1 wherein: the upper end and the lower end of the first filter cloth (2) and the second filter cloth (3) are both positioned in the slotted holes (6) and are in sliding connection with the slotted holes, one side, opposite to the second filter cloth (3), of the first filter cloth (2) is fixed, and one side, opposite to the second filter cloth (3), of the first filter cloth (2) is fixed with the left side and the right side, opposite to the second filter cloth (3), of the inner side of the frame (1) respectively.