CN219580085U - Medium-efficiency bag filter - Google Patents

Abstract

The utility model relates to a medium-efficiency bag filter, comprising: a connection frame; and a guide rod provided inside the connection frame; a pushing block disposed between the guide bars; the filter bags are arranged at two ends of the pushing block; the connecting rods are arranged at two ends of the interior of the filter bag; the elastic hinge block is arranged in the connecting rod; the guide block is arranged outside the guide rod and connected with the filter bag; the shielding plate is arranged in the connecting frame and is positioned above the guide rod. According to the utility model, through the structures such as the pushing block, the guide rod and the like, the pushing block can control the position of the guide block through the matching relationship between the guide block and the guide rod, so that the distance between the filtering bag and the pushing block can be changed; through the arrangement of the elastic hinging blocks, the effect of automatically unfolding the filter bag is realized.

Description

Medium-efficiency bag filter

Technical Field

The utility model relates to the field of bag filters, in particular to a medium-efficiency bag filter.

Background

The medium-efficiency bag filter is also called a bag-type medium-efficiency filter, is used as a device on a medium conveying pipeline, is mainly used for a central air conditioner and a central air supply system, can be used for medium-level filtration of an air conditioning system, protects a next-level filter in the system and the system, and can directly convey air treated by the medium-efficiency filter to a user in a place with low requirements on air purification cleanliness.

The traditional medium-efficiency bag filter is generally formed by arranging structures such as a frame and non-woven fabrics, wherein the medium-efficiency bag filter is arranged in a pipeline or equipment, the non-woven fabrics for filtering are in a fixed state, the non-woven fabrics are required to be replaced periodically after being used for a period of time, filter holes in the non-woven fabrics are prevented from being blocked by dust, the conventional replacement requires shutdown operation, and the non-woven fabrics are replaced after the equipment is disassembled;

this approach is straightforward but the replacement frequency is high and there are inconvenient situations, so a medium efficiency bag filter is proposed to solve the above-mentioned problems.

Disclosure of Invention

Based on the expression, the utility model provides a medium-efficiency bag filter to solve the problem that the existing equipment is frequently replaced.

The technical scheme for solving the technical problems is as follows: a medium efficiency bag filter comprising:

a connection frame; and

a guide rod provided inside the connection frame;

a pushing block disposed between the guide bars;

the filter bags are arranged at two ends of the pushing block;

the connecting rods are arranged at two ends of the interior of the filter bag;

the elastic hinge block is arranged in the connecting rod;

the guide block is arranged outside the guide rod and connected with the filter bag;

the shielding plate is arranged in the connecting frame and is positioned above the guide rod.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the connecting frame comprises a rectangular frame, rectangular through holes are formed in two ends of the rectangular frame, and guide rods are arranged in the rectangular through holes.

Further, the pushing block comprises a moving block, a double-shaft motor is arranged in the moving block, a rolling wheel is arranged at an output shaft of the double-shaft motor, and the rolling wheel is in contact with the guide rod.

Further, the movable block comprises a rectangular block, the rectangular block is arranged in the connecting frame, and an L-shaped limiting plate is arranged at the top end of the rectangular block.

Further, the connecting rod comprises a cross rod, and an open slot is formed in one end of the cross rod.

Further, the elastic hinge block comprises hinge plates, the hinge plates are arranged in the opening grooves, hinge shafts are arranged between the hinge plates, hinge blocks are arranged outside the hinge shafts, torsion springs are arranged in the hinge blocks, one ends of the torsion springs are connected with the hinge blocks, and the other ends of the torsion springs are connected with the hinge shafts.

Further, the two adjacent hinging blocks are mutually hinged.

Further, the shielding plate comprises a hinged baffle plate, the hinged baffle plate is arranged in the connecting frame, driven wheels are arranged at two ends of the hinged baffle plate, and the driven wheels are in contact with the guide blocks.

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

1. according to the utility model, through the structures such as the pushing block, the guide rod and the like, the pushing block can control the position of the guide block through the matching relationship between the guide block and the guide rod, so that the distance between the filtering bag and the pushing block can be changed;

2. through the setting to the elastic hinge piece, realized the effect of the automatic expansion of filter bag for filter bag that lies in pushing piece one side receives the extrusion back shrink, and the filter bag of other side opens under the effect of elasticity, has realized changing the effect of filter bag.

Drawings

FIG. 1 is a schematic structural view of a medium-efficiency bag filter according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is an enlarged partial schematic view of area A of FIG. 1;

FIG. 5 is a partially enlarged schematic illustration of region B of FIG. 1;

FIG. 6 is an enlarged partial schematic view of region C of FIG. 3;

FIG. 7 is a schematic structural diagram of a connection frame according to an embodiment of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. a connection frame; 2. a guide rod; 3. a moving block; 4. a biaxial motor; 5. a rolling wheel; 6. a filter bag; 7. a connecting rod; 8. a hinged plate; 9. a hinge shaft; 10. a hinge block; 11. a torsion spring; 12. a guide block; 13. a baffle plate is hinged; 14. and (3) a driven wheel.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", and the like, if the connected circuits, modules, units, and the like have electrical or data transferred therebetween.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Referring to fig. 1, 3, 4 and 7, a medium efficiency bag filter, comprising:

the connecting frame 1, the connecting frame 1 comprises a rectangular frame, rectangular through holes are formed in two ends of the rectangular frame, guide rods 2 are arranged in the rectangular through holes, and the rectangular frame and the rectangular through holes can limit the pushing block so that the pushing block can only move along the rectangular through holes;

a guide rod 2 provided inside the connection frame 1;

the pushing block is arranged between the guide rods 2 and comprises a moving block 3, a double-shaft motor 4 is arranged in the moving block 3, a rolling wheel 5 is arranged at an output shaft of the double-shaft motor 4, and the rolling wheel 5 is in contact with the guide rods 2;

the pushing block acts to push the filter bag 6 in motion, during which the rolling wheel 5 is limited by the guide rod 2 and the rectangular through hole so that it can only move along the guide rod 2.

As shown in fig. 1 and 5, filter bags 6 are provided at both ends of the push block;

the connecting rods 7 are arranged at two ends of the inside of the filter bag 6, the connecting rods 7 have the effect of shaping the filter bag 6, and the filter bag 6 is closed or opened by changing the interval between the connecting rods 7;

and an elastic hinge block provided inside the connection rod 7, the elastic hinge block providing an elastic force so that the filter bag 6 can be smoothly opened.

As shown in fig. 2 and 5, a guide block 12 is provided outside the guide rod 2 and connected to the filter bag 6, and the guide block 12 is engaged with the guide rod 2 so that the filter bag 6 can move only along the guide rod 12;

the shielding plate is arranged in the connecting frame 1 and above the guide rod 2, and plays a role of shielding the filter bag 6 at one side, so that the filter bag 6 is in an unused state.

In practical use, the initial state of the medium-efficiency bag filter is shown in fig. 2, and the hinged baffle 13 is in a closed state to shield the filter bag 6 positioned on the right side of the pushing block, while the filter bag 6 positioned on the left side of the pushing block is in an open state to perform normal filtering function;

when the left filter bag 6 is used for a long time, the double-shaft motor 4 is controlled to be electrified to work so as to drive the rolling wheel 5 to rotate, and at the moment, the rolling wheel 5 drives the moving block 3 to move leftwards under the action of friction force so as to squeeze the left filter bag 6, and the filter bag 6 positioned on the right side is opened under the action of the elastic force of the torsion spring 11;

in the process, the elastic hinging blocks at the left side are mutually close to each other, so that the torsion spring 11 is compressed to generate elasticity, the elastic hinging blocks at the right side are gradually opened under the action of the elasticity of the torsion spring 11, and in the opening process, the hinging block 10 rotates by taking the hinging shaft 9 as the circle center under the action of the elasticity, so that the connecting rod 7 is pushed to move towards the directions away from each other, and the filter bag 6 is pushed to be opened;

when the filter bag 6 is opened, the guide block 12 moves along with the filter bag 6, when the guide block 12 moves, the guide block 12 and the driven wheel 14 move relatively, at the moment, the driven wheel 14 rotates under the action of friction force to drive the hinged baffle 13 to rotate, the state of the right filter bag 6 when the filter bag 6 is completely opened is similar to that of the left filter bag 6, at the moment, the hinged baffle 13 is in a vertical state, namely, the state of ninety degrees of rotation compared with a closed state, so that air can normally enter the right filter bag 6;

the device is through setting up reserve filter bag 6 for when one side filter bag 6 needs to be changed, open reserve filter bag 6, and then replace the work of filter bag 6 that needs to be changed, realized prolonging this filter service time limit's problem, for traditional well effect bag filter, can use longer time, thereby reduce the frequency of stopping to change the filter.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. A medium efficiency bag filter comprising:

a connection frame (1); and

a guide rod (2) provided inside the connection frame (1);

a pushing block arranged between the guide rods (2);

filter bags (6) provided at both ends of the pushing block;

a connecting rod (7) which is arranged at two ends of the inside of the filter bag (6);

an elastic hinge block provided inside the connecting rod (7);

a guide block (12) which is provided outside the guide rod (2) and is connected to the filter bag (6);

and a shielding plate which is arranged inside the connecting frame (1) and is positioned above the guide rod (2).

2. The medium efficiency bag filter according to claim 1, wherein the connection frame (1) comprises a rectangular frame, rectangular through holes are arranged at two ends of the rectangular frame, and guide rods (2) are arranged inside the rectangular through holes.

3. The medium efficiency bag filter according to claim 1, wherein the pushing block comprises a moving block (3), a double-shaft motor (4) is arranged in the moving block (3), a rolling wheel (5) is arranged at an output shaft of the double-shaft motor (4), and the rolling wheel (5) is in contact with the guide rod (2).

4. A medium efficiency bag filter according to claim 3, wherein the moving block (3) comprises a rectangular block arranged inside the connecting frame (1), and an L-shaped limiting plate is arranged at the top end of the rectangular block.

5. A medium efficiency bag filter according to claim 1, characterized in that the connecting rod (7) comprises a cross rod, one end of which is provided with an open slot.

6. The medium efficiency bag filter according to claim 5, wherein the elastic hinge block comprises hinge plates (8), the hinge plates (8) are arranged in the opening grooves, hinge shafts (9) are arranged between the hinge plates (8), hinge blocks (10) are arranged outside the hinge shafts (9), torsion springs (11) are arranged in the hinge blocks (10), one ends of the torsion springs (11) are connected with the hinge blocks (10), and the other ends of the torsion springs (11) are connected with the hinge shafts (9).

7. A medium efficiency bag filter according to claim 6, wherein two adjacent hinge blocks (10) are hinged to each other.

8. The medium efficiency bag filter according to claim 1, wherein the shielding plate comprises a hinged baffle plate (13), the hinged baffle plate (13) is arranged in the connecting frame (1), driven wheels (14) are arranged at two ends of the hinged baffle plate (13), and the driven wheels (14) are in contact with the guide blocks (12).