Filter bag pressing structure of bag filter

Abstract

The utility model relates to the technical field of bag filters, in particular to a filter bag pressing structure of a bag filter, which comprises a barrel body, the fixing ring is fixedly mounted in the cylinder body, and an annular positioning groove is formed in the top of the fixing ring; the filter bag body is installed in the fixing ring, the top of the filter bag body is provided with a bent edge, and the bent edge is attached to the top of the fixing ring; and the pressing ring abuts against the top of the bent edge, a cylinder cover is fixedly installed on the top of the pressing ring, and the opposite sides of the cylinder cover and the cylinder body fixedly communicate with an input pipe and an output pipe correspondingly. According to the utility model, the barrel cover is extruded by the two rotatable right-angle pressing rods, so that the top of the filter bag body can be firmly pressed into the annular positioning groove in the fixing ring by the pressing ring, the filter bag body is prevented from falling off under the impact of water flow, and the normal use of the device is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to bag filter technical field especially relates to a bag filter filter bag compression structure. BACKGROUND

[0002] The filter is the core equipment in the filtering system, and the most common style is bag filter, and the main structure of the bag filter includes a cylinder, a cylinder cover and a filter bag, and due to the advantages of energy saving, high efficiency and low cost, the bag filter is widely used in the impurity removal and dust removal of gas and liquid.

[0003] However, due to the small self-weight and the thin material of the filter bag of the bag filter, the traditional fixing structure cannot stably fix the filter bag, and when filtering the impurities in the water flow, the water flow will directly pass through the filter bag, so that the filter bag may fall off under the impact of the water flow, and for this problem, a filter bag compression device can be proposed to improve the installation stability of the filter bag. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem in the background art and proposes a bag filter filter bag compression structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A bag filter filter bag compression structure comprises:

[0007] A cylinder;

[0008] A fixing ring is fixedly installed in the cylinder, and an annular positioning groove is formed in the top of the fixing ring;

[0009] A filter bag body is installed in the fixing ring, and a bent edge is arranged on the top of the filter bag body and attached to the top of the fixing ring;

[0010] A compression ring is abutted against the top of the bent edge, and a cylinder cover is fixedly installed on the top of the compression ring, and the opposite sides of the cylinder cover and the cylinder are fixedly communicated with an input pipe and an output pipe respectively;

[0011] A compression assembly is arranged for abutting the bent edge against the annular positioning groove.

[0012] Preferably, the compression assembly comprises a moving ring fixedly installed on the sliding sleeve arranged on the outer surface of the cylinder body, an electric push rod fixedly installed on the outer side of the cylinder body is used to drive the vertical movement of the moving ring, two racks are symmetrically fixedly installed on the top of the moving ring, the opposite sides of the two racks are engaged with gears, the gears are rotatably installed on the outer side of the cylinder body, the side edges of each gear are fixedly installed with a right-angle compression rod, and the end of the right-angle compression rod away from the cylinder body is abutting or separated from the top of the cylinder cover.

[0013] Preferably, the bottom of the cylinder cover is fixedly installed with two protrusions, the top of the cylinder body is provided with two insertion grooves, and the insertion grooves are inserted with or separated from the protrusions.

[0014] Preferably, the width of the annular positioning groove is greater than the thickness of the compression ring.

[0015] Preferably, a support is rotatably installed at the center of the gear, and the support is fixedly installed on the outer side of the cylinder body.

[0016] Compared with the prior art, the bag filter filter bag compression structure provided by the utility model has the advantages that:

[0017] The electric push rod pushes the moving ring and the two racks to move downward synchronously, the two gears rotate reversely, the two right-angle compression rods are driven to rotate towards the direction of the cylinder body, until the end thereof is in contact with the top of the cylinder cover and abuts against the top of the cylinder body, the fixation of the cylinder cover is realized, the compression ring can press the bent edge at the top of the filter bag body in the annular positioning groove, so that the filter bag body is prevented from falling off under the impact of water flow, and the normal use of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 An explosion structure schematic view of the bag filter filter bag compression structure is provided in the utility model;

[0019] Fig. 2 A structure schematic view of the bag filter filter bag compression structure is provided in the utility model;

[0020] Fig. 3 A sectional structure schematic view of the bag filter filter bag compression structure is provided in the utility model.

[0021] In the drawing: 1, cylinder body; 2, fixed ring; 3, filter bag body; 4, annular positioning groove; 5, compression ring; 6, cylinder cover; 7, moving ring; 8, electric push rod; 9, rack; 10, gear; 11, support; 12, right-angle compression rod; 13, protrusion; 14, insertion groove. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Referring to Figs. 1 to 3 A bag filter filter bag compression structure, comprising:

[0024] The cylinder body 1, the fixed ring 2 is fixedly installed in the cylinder body 1, and the top of the fixed ring 2 is provided with an annular positioning groove 4; the compression ring 5, the width of the annular positioning groove 4 is greater than the thickness of the compression ring 5, which facilitates the insertion of the compression ring 5 into the annular positioning groove 4.

[0025] The filter bag body 3 is installed in the fixed ring 2, and the top of the filter bag body 3 is provided with a bent edge, and the bent edge is attached to the top of the fixed ring 2. When the bent edge is compressed in the annular positioning groove 4 by the compression ring 5, the filter bag body 3 can be effectively prevented from falling off under the impact of water flow.

[0026] The top of the bent edge is abutted, and the top of the compression ring 5 is fixedly installed with a cylinder cover 6, and the opposite side of the cylinder cover 6 and the cylinder body 1 is fixedly communicated with an input pipe and an output pipe.

[0027] The compression assembly is used for abutting the bent edge in the annular positioning groove 4, and the compression assembly comprises a moving ring 7 fixedly installed on the outer surface of the cylinder body 1, the outer side of the cylinder body 1 is fixedly installed with an electric push rod 8 for driving the vertical movement of the moving ring 7, the top of the moving ring 7 is fixedly installed with two racks 9, the opposite sides of the two racks 9 are engaged with a gear 10, and the gear 10 is rotatably installed on the outer side of the cylinder body 1, the center of the gear 10 is rotatably installed with a bracket 11, and the bracket 11 is fixedly installed on the outer side of the cylinder body 1, the side edge of each gear 10 is fixedly installed with a right-angle pressing rod 12, and the end of the right-angle pressing rod 12 away from the cylinder body 1 is abutted or separated from the top of the cylinder cover 6.

[0028] Further, the bottom of the cylinder cover 6 is fixedly installed with two protrusions 13, the top of the cylinder body 1 is provided with two insertion grooves 14, and the insertion groove 14 is inserted or separated from the protrusion 13. When installing the cylinder cover 6, the two protrusions 13 are respectively inserted into the two insertion grooves 14, so that the cylinder cover 6 can be quickly positioned on the top of the cylinder body 1, so that it cannot shake left and right during installation.

[0029] The working principle of the present utility model is:

[0030] In use, the bent edge of the filter bag body 3 is placed on the fixed ring 2, then the two protrusions 13 on the cylinder cover 6 are aligned with the two insertion grooves 14 respectively, and are abutted against the top of the cylinder body 1, at this time, the bent edge of the filter bag body 3 can be pressed into the annular positioning groove 4 by the compression ring 5;

[0031] Subsequently, the electric push rod 8 controls the moving ring 7 to move downward synchronously with the two racks 9, so that the two gears 10 rotate reversely and drive the two right-angle pressing rods 12 to rotate towards the cylinder body 1 until the ends thereof contact with the top of the cylinder cover 6 and press the cylinder cover 6 against the top of the cylinder body 1, i.e. the fixation of the cylinder cover 6 is realized, so that the pressing ring 5 can press the bent edge at the top of the filter bag body 3 in the annular positioning groove 4, to prevent the filter bag body 3 from falling under the impact of water flow, and ensure the normal use of the device;

[0032] Finally, when the filter bag body 3 needs to be replaced, the electric push rod 8 controls the moving ring 7 to move upward, under the transmission of the racks 9 and the gears 10, so that the two right-angle pressing rods 12 move away from the cylinder cover 6, at this time, the cylinder cover 6 and the pressing ring 5 can be taken out upward, and the filter bag body 3 is taken out, and then a new filter bag body 3 is put into the cylinder body 1, so as to facilitate the disassembly and replacement of the filter bag body 3.

[0033] Further, the above-mentioned fixed connection should be understood in a broad sense, unless otherwise specified and limited, for example, it can be welding, or gluing, or integrally formed, etc. the common means familiar to those skilled in the art.

[0034] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art, according to the technical scheme and the inventive concept of the present application, within the technical range disclosed by the present application, makes equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A bag filter bag hold-down structure, characterized by, Include: The barrel (1) ; Fixed ring (2) is fixedly installed in the barrel (1), the top of the fixed ring (2) is provided with an annular positioning groove (4) ; Filter bag body (3) is installed in the fixed ring (2), the top of the filter bag body (3) is provided with a bending edge, and the bending edge is attached to the top of the fixed ring (2) ; The compression ring (5) is tightly closed at the top of the bending edge, and the top of the compression ring (5) is fixedly installed with a cylinder cover (6), the cylinder cover (6) and the opposite side of the cylinder (1) are respectively fixedly connected with an input pipe and an output pipe; The compression assembly is used for tightly closing the bending edge in the annular positioning groove (4).

2. The filter bag hold-down structure of claim 1 wherein, The compression assembly includes a movable ring (7) fixedly installed on the outer surface of the cylinder (1), the outer side of the cylinder (1) is fixedly installed with an electric push rod (8) for driving the movable ring (7) to move vertically, the top of the movable ring (7) is symmetrically fixedly installed with two racks (9), the opposite sides of the two racks (9) are engaged with a gear (10), and the gear (10) is rotatably installed on the outer side of the cylinder (1), the side edge of each gear (10) is fixedly installed with a right angle pressing rod (12), and the end of the right angle pressing rod (12) away from the cylinder (1) is tightly closed or separated from the top of the cylinder cover (6).

3. A bag filter bag hold down structure according to claim 2, wherein The bottom of the cylinder cover (6) is fixedly installed with two protrusions (13), the top of the cylinder (1) is provided with two insertion grooves (14), and the insertion grooves (14) and the protrusions (13) are inserted or separated.

4. The filter bag hold-down structure of claim 1 wherein, The width of the annular positioning groove (4) is greater than the thickness of the compression ring (5).

5. The filter bag hold-down structure of claim 2 wherein, The center of the gear (10) is rotatably installed with a bracket (11), and the bracket (11) is fixedly installed on the outer side of the cylinder (1).

Images