Quick-change connections for bag filters

Abstract

The utility model relates to the technical field of bag filters, specifically, to a quick-change connector for bag filters, including an outer cylinder, an inner mesh support cylinder fixedly installed on the inner wall of the top cylinder of the outer cylinder, a plurality of inner slots arranged on the inner wall of the top cylinder of the outer cylinder, an outer feed cylinder fixedly installed on the top of the outer cylinder, a feed pipe fixedly installed on the outer feed cylinder, a filter bag arranged in the inner mesh support cylinder, a fixing ring fixedly installed on the top of the filter bag, a plug-in fit between the fixing ring and the outer cylinder, a plurality of clamping blocks fixedly installed on the annular side of the fixing ring, the clamping blocks are located in the inner slots and clamped with the inner slots, a holding rod fixedly installed on the inner annular side of the fixing ring, a support frame fixedly installed on the outer annular side of the outer feed cylinder, a cylinder fixedly installed on the top plate of the support frame, and a pressing cover arranged on the telescopic shaft of the cylinder. The utility model is convenient for quick-change operation, simple to operate, and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of bag filters, in particular to a quick-change connector for bag filters. Background Art

[0002] A bag filter is a filtering device with a metal mesh basket supporting the filter bag. The liquid flows in from the inlet, is filtered by the filter bag and flows out from the outlet. Impurities are intercepted in the filter bag and can continue to be used after the filter bag is replaced. This filter has the advantages of compact structure, simple operation and high filtering accuracy. The main components of the bag filter include filter cartridges, filter cartridge covers, etc. Using bag filters for filtering operations can achieve the effect of portable filtering.

[0003] The filter bags in common bag filters are generally fixed with multiple complex fixing structures, such as fastening bolts or other compression structures. This type of fixing method has the defect of being inconvenient for quick disassembly and replacement, which delays time, affects the quick replacement operation of the filter bags, and brings inconvenience to users. In view of this, we propose a quick-change connector for bag filters. Utility Model Content

[0004] The purpose of the utility model is to provide a quick-change connector for a bag filter to solve the defects mentioned in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The quick-change connector of the bag filter comprises an outer cylinder, an inner mesh support cylinder arranged vertically is fixedly mounted on the inner wall of the cylinder top of the outer cylinder, a plurality of inner card grooves arranged in an annular shape and at equal intervals are arranged on the inner wall of the cylinder top of the outer cylinder, an outer feed cylinder is fixedly mounted on the top of the outer cylinder, a feed pipe is fixedly mounted on the outer feed cylinder, a filter bag is arranged in the inner mesh support cylinder, a fixing ring is fixedly mounted on the top of the filter bag, the fixing ring is plug-fitted with the outer cylinder, a plurality of card blocks arranged in an annular shape and at equal intervals are fixedly mounted on the annular side surface of the fixing ring, the card blocks are located in the inner card grooves and are snap-fitted with the inner card grooves, and a holding rod is fixedly mounted on the inner annular side surface of the fixing ring.

[0007] Preferably, the cross section of the gripping rod is cross-shaped, and the gripping rod is used for gripping operation.

[0008] Preferably, the inner mesh support cylinder is a mesh-shaped cylinder structure, and the inner mesh support cylinder is used to support the filter bag.

[0009] Preferably, a plurality of support legs arranged in a ring shape with equal intervals are fixedly mounted on the bottom surface of the outer cylinder, and a fixing plate is fixedly mounted on the bottom end of the support leg to facilitate stable supporting operation using the support legs.

[0010] Preferably, a support frame is fixedly mounted on the outer annular side surface of the outer feed barrel, a cylinder is fixedly mounted on the top plate of the support frame, a clamping cover is arranged on the telescopic shaft of the cylinder, and the clamping cover is pressed against the top surface of the outer feed barrel for sealing operation.

[0011] Preferably, an annular groove is provided on the top surface of the outer feed barrel, and a sealing ring is snap-fitted in the annular groove, and the sealing ring is used for sealing operation.

[0012] Preferably, a limit plate is fixedly mounted on the end of the telescopic shaft of the cylinder, and the clamping cover is fixedly mounted on the bottom surface of the limit plate by a plurality of fastening bolts, so as to facilitate the fixed installation operation of the clamping cover.

[0013] Preferably, a discharge pipe is fixedly mounted on the bottom cylinder of the outer cylinder, and the discharge pipe is used for discharge operation.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model facilitates the quick disassembly and replacement of the filter bag by means of the engagement between the provided clamping block and the inner clamping groove. In addition, the provided holding rod facilitates the holding operation. Finally, the cylinder is used to drive the clamping cover to open and close, which facilitates the opening and closing operation and achieves the effect of facilitating the quick replacement of the connecting parts.

[0016] 2. The utility model can realize sealing operation by using the sealing ring through the provision of the sealing ring, thereby achieving a better sealing effect, and the sealing ring is snap-fitted with the annular groove, which facilitates the assembly and replacement operation of the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is one of the explosion structure schematic diagrams of the utility model;

[0019] Figure 3 This is the second schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is the third schematic diagram of the explosion structure of the utility model;

[0021] Figure 5 It is a partial structural schematic diagram of the utility model.

[0022] The meaning of each number in the figure is:

[0023] 1. Outer cylinder; 10. Inner mesh support cylinder; 11. Outer feed cylinder; 12. Inner slot; 13. Feed pipe; 14. Annular groove; 141. Sealing ring; 15. Discharge pipe; 16. Support leg; 161. Fixed plate; 17. Support frame;

[0024] 2. Filter bag; 20. Fixing ring; 21. Block; 22. Holding rod;

[0025] 3. Cylinder; 30. Limit plate; 31. Pressing cover. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5 The utility model provides a technical solution: a quick-change connector for a bag filter, comprising an outer cylinder 1, a vertically arranged inner mesh support cylinder 10 is fixedly installed on the inner wall of the top cylinder of the outer cylinder 1, a plurality of annularly arranged inner card grooves 12 are arranged on the inner wall of the top cylinder of the outer cylinder 1, an outer feed cylinder 11 is fixedly installed on the top of the outer cylinder 1, a feed pipe 13 is fixedly installed on the outer feed cylinder 11, and the feed pipe 13 is used for feeding operation;

[0028] Specifically, a filter bag 2 is arranged in the inner mesh support cylinder 10, and a fixing ring 20 is fixedly installed on the top of the filter bag 2. The fixing ring 20 is plugged into the outer cylinder 1, and a plurality of blocks 21 arranged in a ring shape with equal intervals are fixedly installed on the annular side surface of the fixing ring 20. The blocks 21 are located in the inner card groove 12 and are snap-fitted with the inner card groove 12. A holding rod 22 is fixedly installed on the inner annular side surface of the fixing ring 20, which is convenient for loading and unloading operations of the fixing ring 20 and the filter bag 2, so as to achieve the effect of rapid replacement.

[0029] In this embodiment, the cross section of the holding rod 22 is cross-shaped, and the holding rod 22 is used for holding operations to facilitate the taking and placing operations of the fixing ring 20 .

[0030] Specifically, the inner mesh support cylinder 10 is a mesh-shaped cylinder structure, and the inner mesh support cylinder 10 is used to support the filter bag 2 .

[0031] Furthermore, a plurality of support legs 16 arranged in a ring shape and at equal intervals are fixedly mounted on the bottom surface of the outer cylinder 1 , and a fixing plate 161 is fixedly mounted on the bottom end of the support leg 16 , so as to facilitate stable supporting operation using the support legs 16 and the fixing plate 161 .

[0032] In addition, a support frame 17 is fixedly installed on the outer annular side surface of the outer feed barrel 11, and a cylinder 3 is fixedly installed on the top plate of the support frame 17. A clamping cover 31 is arranged on the telescopic shaft of the cylinder 3, and the clamping cover 31 is pressed against the top surface of the outer feed barrel 11 for sealing operation; an annular groove 14 is arranged on the top surface of the outer feed barrel 11, and a sealing ring 141 is snap-fitted in the annular groove 14, and the sealing ring 141 is used for sealing operation, so that there is a better sealing effect between the clamping cover 31 and the outer feed barrel 11.

[0033] It is worth noting that a limit plate 30 is fixedly mounted on the end of the telescopic shaft of the cylinder 3, and a clamping cover 31 is fixedly mounted on the bottom surface of the limit plate 30 by a plurality of fastening bolts, so as to facilitate the fixed installation operation of the clamping cover 31.

[0034] It is worth noting that a discharge pipe 15 is fixedly installed on the bottom cylinder of the outer cylinder 1, and the discharge pipe 15 is used for discharge operation.

[0035] When the quick-change connector of the bag filter of the utility model is in use, first start the cylinder 3 and make it work. When the cylinder 3 works, the telescopic shaft thereon shortens and drives the clamping cover 31 to move upward. After the clamping cover 31 moves upward a suitable distance, hold the holding rod 22, take out the fixing ring 20 and the filter bag 2 as a whole, and then replace the new filter bag 2, and ensure that the fixing ring 20 is inserted into the outer cylinder 1, and at the same time ensure that the clamping block 21 is clamped in the inner clamping groove 12. Finally, continue to start the cylinder 3 and make it work. When the cylinder 3 works, the telescopic shaft thereon extends and drives the clamping cover 31 to move downward. The clamping cover 31 is pressed on the sealing ring 141 to complete the sealing operation, and then the feed pipe 13 is connected to the external raw material delivery pipeline. As the raw liquid flows and passes through the filter bag 2, the filtering operation is completed, which is convenient to use.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick-change connector for a bag filter, comprising an outer cylinder (1), characterized in that: An inner mesh support cylinder (10) arranged vertically is fixedly mounted on the inner wall of the top cylinder of the outer cylinder (1); a plurality of inner slots (12) arranged in an annular shape and at equal intervals are arranged on the inner wall of the top cylinder of the outer cylinder (1); an outer feed cylinder (11) is fixedly mounted on the top of the outer cylinder (1); a feed pipe (13) is fixedly mounted on the outer feed cylinder (11); a filter bag (2) is arranged in the inner mesh support cylinder (10); a fixing ring (20) is fixedly mounted on the top of the filter bag (2); the fixing ring (20) and the outer cylinder (1) are plug-fitted; a plurality of blocks (21) arranged in an annular shape and at equal intervals are fixedly mounted on the annular side surface of the fixing ring (20); the blocks (21) are located in the inner slots (12) and are snap-fitted with the inner slots (12); a holding rod (22) is fixedly mounted on the inner annular side surface of the fixing ring (20).

2. The quick-change connector for the bag filter according to claim 1, characterized in that: The cross section of the holding rod (22) is cross-shaped, and the holding rod (22) is used for holding operation.

3. The quick-change connector for the bag filter according to claim 1, characterized in that: The inner mesh support cylinder (10) is a mesh-shaped cylinder structure, and the inner mesh support cylinder (10) is used to support the filter bag (2).

4. The quick-change connector for the bag filter according to claim 1, characterized in that: A plurality of support legs (16) arranged in a ring shape and at equal intervals are fixedly mounted on the bottom surface of the outer cylinder (1), and a fixing plate (161) is fixedly mounted on the bottom end of the support leg (16).

5. The quick-change connector for the bag filter according to claim 1, characterized in that: A support frame (17) is fixedly mounted on the outer annular side surface of the outer feed barrel (11), a cylinder (3) is fixedly mounted on the top plate of the support frame (17), a clamping cover (31) is arranged on the telescopic shaft of the cylinder (3), and the clamping cover (31) is pressed against the top surface of the outer feed barrel (11) for sealing operation.

6. The quick-change connector for the bag filter according to claim 5, characterized in that: An annular groove (14) is provided on the top surface of the outer feed barrel (11), and a sealing ring (141) is snap-fitted inside the annular groove (14), and the sealing ring (141) is used for sealing operation.

7. The quick-change connector for the bag filter according to claim 5, characterized in that: A limit plate (30) is fixedly mounted on the end of the telescopic shaft of the cylinder (3), and the clamping cover (31) is fixedly mounted on the bottom surface of the limit plate (30) by means of a plurality of fastening bolts.

8. The quick-change connector for the bag filter according to claim 1, characterized in that: A discharge pipe (15) is fixedly mounted on the bottom cylinder of the outer cylinder (1), and the discharge pipe (15) is used for discharge operation.

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