Closed bag type filter

Abstract

The utility model discloses a closed bag type filter and relates to the technical field of filters. The filter comprises a lower filter shell and an upper filter shell, the upper filter shell is movably installed at the top end of the lower filter shell, the outer side of the upper filter shell is fixedly connected with a feeding pipe, the outer side of the lower filter shell is fixedly connected with a discharging pipe, a net basket is arranged in the lower filter shell, and the upper portion of the outer side of the net basket is fixedly connected with symmetrically-distributed connecting plates. A pull rod is pulled to move in a sliding groove, the pull rod moves to drive a connecting column to move away from a connecting plate, the connecting column drives a movable plate to slide in a movable groove, a spring at one end of the movable plate is in an extruded state, and when the connecting column is completely separated from the connecting plate, the net basket can be conveniently taken out for replacement; a new net basket is matched with the connecting plate to be clamped in the clamping groove, then the pull rod is loosened, the connecting plate is clamped and fixed again through the connecting column under the action of the spring, and therefore the net basket is convenient to install and replace, the structure is ingenious, and the assembling and disassembling efficiency of the net basket is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a closed bag filter. Background Art

[0002] Bag filter is a multi-purpose filtering equipment with novel structure, small size, simple and flexible operation, energy saving, high efficiency, closed operation and strong applicability. Bag filter is a new type of filtering system. The filter bag is supported by a metal mesh basket inside the bag filter. The liquid flows in from the inlet and flows out from the outlet after being filtered by the filter bag. Impurities are intercepted in the filter bag. After replacing the filter bag, it can continue to be used.

[0003] However, when replacing other materials for filtering, it is very convenient to replace the filter bag, but the net basket used in conjunction with the filter bag is not convenient to replace, so that other materials adhered to the net basket will affect the new filtering effect, so the net basket that is easy to assemble and disassemble came into being. In view of the above problems, the inventor proposed a closed bag filter to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: a closed bag filter, comprising a lower filter shell and an upper filter shell, the upper filter shell is movably installed on the top of the lower filter shell, the outer side of the upper filter shell is fixedly connected with a feeding pipe, the outer side of the lower filter shell is fixedly connected with a discharge pipe, a net basket is arranged inside the lower filter shell, the upper outer side of the net basket is fixedly connected with a symmetrically distributed connecting plate, a symmetrically distributed card slot is opened on the inner side of the top of the lower filter shell, one end of the connecting plate is slidably connected to the inside of the card slot, a movable slot is opened on one side of the inner wall of the card slot, a movable plate is slidably connected to the inside of the movable slot, one end of the movable plate is fixedly connected to a connecting column, one end of the connecting column is slidably inserted into the inside of the connecting plate, one end of the movable plate away from the connecting column is fixedly connected with a spring, one end of the spring is fixedly connected to the inside of the movable slot, the inner wall of the lower filter shell is provided with a slide groove connected to the movable groove, the inner side of the slide groove is slidably connected with a pull rod, and one end of the pull rod is fixedly connected to the connecting column.

[0005] Preferably, a collecting barrel is fixedly mounted on the inner bottom surface of the lower filter shell, a conical groove is provided at the top of the collecting barrel, a flow groove is provided inside the collecting barrel, the conical groove and the flow groove are interconnected, and one end of the flow groove is aligned with the discharge pipe.

[0006] Preferably, the outer lower fixing sleeve of the upper filter housing is provided with a first connecting ring, and the outer upper fixing sleeve of the lower filter housing is provided with a second connecting ring. The top end of the first connecting ring is threadedly installed with array-distributed bolts, and one end of the bolt is threadedly penetrated through the first connecting ring and threadedly installed at the bottom of the second connecting ring.

[0007] Preferably, a sealing ring is provided on the top fixing sleeve of the lower filter housing, and the inner wall of the sealing ring is in contact with the upper filter housing.

[0008] Preferably, the bottom surface of the lower filter housing is fixedly mounted with supporting legs distributed in an array.

[0009] Preferably, a handle is fixedly mounted on the top of the upper filter housing.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. By pulling the pull rod to move in the slide slot, the movement of the pull rod drives the connecting column to move away from the connecting plate, and the connecting column drives the movable plate to slide in the movable slot. The spring at one end of the movable plate is in an extruded state. When the connecting column is completely separated from the connecting plate, it is convenient to take out the net basket for replacement, and then the new net basket is clamped in the slot with the connecting plate, and then the pull rod is released. Relying on the action of the spring, the connecting column clamps the connecting plate again, thereby realizing the convenient installation and replacement of the net basket. The ingenious structure improves the assembly and disassembly efficiency of the net basket;

[0012] 2. Through the advantages of the collecting barrel, the materials filtered by the filter bag in the net basket are concentrated and flowed downward, and then discharged through the inclined flow groove, thereby improving the discharge efficiency of the material and preventing the material from getting stuck in the lower filter shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the utility model.

[0017] In the figure: 1. lower filter housing; 2. upper filter housing; 11. feeding pipe; 12. discharge pipe; 13. net basket; 14. connecting plate; 15. slot; 16. movable slot; 17. movable plate; 18. connecting column; 19. spring; 20. pull rod; 21. slide slot; 22. collecting barrel; 23. conical slot; 24. circulation slot; 25. first connecting ring; 26. second connecting ring; 27. bolt; 28. sealing ring; 29. ​​supporting leg; 30. handle. DETAILED DESCRIPTION

[0018] 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.

[0019] Example: Figure 1-3 As shown, the utility model provides a technical solution: a closed bag filter, comprising a lower filter housing 1 and an upper filter housing 2, the upper filter housing 2 is movably mounted on the top of the lower filter housing 1, the outer side of the upper filter housing 2 is fixedly connected with a feed pipe 11, the outer side of the lower filter housing 1 is fixedly connected with a discharge pipe 12, the interior of the lower filter housing 1 is provided with a net basket 13, the upper part of the outer side of the net basket 13 is fixedly connected with symmetrically distributed connecting plates 14, the inner side of the top of the lower filter housing 1 is provided with symmetrically distributed card slots 15, one end of the connecting plate 14 is slidably connected to the inside of the card slot 15, A movable groove 16 is provided on one side of the inner wall of the card slot 15, and a movable plate 17 is slidably engaged inside the movable groove 16. A connecting column 18 is fixedly connected to one end of the movable plate 17, and one end of the connecting column 18 is slidably inserted into the interior of the connecting plate 14. A spring 19 is fixedly connected to one end of the movable plate 17 away from the connecting column 18, and one end of the spring 19 is fixedly connected to the interior of the movable groove 16. A sliding groove 21 connected to the movable groove 16 is provided on the inner wall of the lower filter housing 1, and a pull rod 20 is slidably engaged inside the sliding groove 21, and one end of the pull rod 20 is fixedly connected to the connecting column 18.

[0020] A collecting barrel 22 is fixedly installed on the inner bottom surface of the lower filter housing 1. A conical groove 23 is opened at the top of the collecting barrel 22. A flow groove 24 is opened inside the collecting barrel 22. The conical groove 23 and the flow groove 24 are interconnected, and one end of the flow groove 24 is aligned with the discharge pipe 12.

[0021] By adopting the above technical solution, the material filtered by the filter bag in the net basket 13 can be concentrated and flowed downward through the collecting barrel 22, and then discharged through the inclined flow groove 24, thereby improving the discharge efficiency of the material and preventing the material from getting stuck in the lower filter shell 1.

[0022] A first connecting ring 25 is provided on the lower outer fixing sleeve of the upper filter housing 2, and a second connecting ring 26 is provided on the upper outer fixing sleeve of the lower filter housing 1. The top end of the first connecting ring 25 is threadedly installed with array-distributed bolts 27, and one end of the bolt 27 is threadedly penetrated through the first connecting ring 25 and threadedly installed on the bottom of the second connecting ring 26.

[0023] By adopting the above technical solution, the upper filter housing 2 and the lower filter housing 1 are fixedly connected by the cooperation of the first connecting ring 25 and the second connecting ring 26 and the bolts 27, and the upper filter housing 2 can be easily disassembled and opened.

[0024] A sealing ring 28 is provided on the top fixing sleeve of the lower filter housing 1 , and the inner wall of the sealing ring 28 is in contact with the upper filter housing 2 .

[0025] By adopting the above technical solution, a sealing ring 28 is provided to reinforce and seal the gap between the lower filter housing 1 and the upper filter housing 2, thereby improving the sealing performance.

[0026] The bottom surface of the lower filter housing 1 is fixedly mounted with support legs 29 distributed in an array.

[0027] By adopting the above technical solution, the lower filter housing 1 is supported by providing support legs 29, providing support force to make the lower filter housing 1 more stable.

[0028] A handle 30 is fixedly mounted on the top of the upper filter housing 2 .

[0029] By adopting the above technical solution, the handle 30 is provided to facilitate manual transportation and movement of the device.

[0030] Working principle: First, install the filter bag in the net basket 13, then close the upper filter housing 2 and fix it with the lower filter housing 1 using bolts 27, then let the material enter the filter bag and net basket 13 through the feeding pipe 11 for filtration, and the filtered material will flow downward through the collecting barrel 22, and then be discharged through the inclined flow slot 24, thereby improving the discharge efficiency of the material, and the material is not easy to get stuck in the lower filter housing 1. When the net basket 13 is used for a long time and the material is mixed and not conducive to filtration, the pull rod 20 can be manually pulled in the slide slot 2 1, the pull rod 20 moves and drives the connecting column 18 to move away from the connecting plate 14, and the connecting column 18 drives the movable plate 17 to slide in the movable groove 16. The spring 19 at one end of the movable plate 17 is in an extruded state. When the connecting column 18 is completely separated from the connecting plate 14, it is convenient to take out the net basket 13 for replacement, and then the new net basket 13 is clamped in the clamping groove 15 with the connecting plate 14 and then the pull rod 20 is released. Relying on the action of the spring 19, the connecting column 18 clamps and fixes the connecting plate 14 again, thereby realizing the convenient installation and replacement of the net basket 13, and the structure is ingenious to improve the assembly and disassembly efficiency of the net basket 13.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A closed bag filter, comprising a lower filter housing (1) and an upper filter housing (2), characterized in that: The upper filter housing (2) is movably mounted on the top of the lower filter housing (1); a feed pipe (11) is fixedly connected to the outer side of the upper filter housing (2); a discharge pipe (12) is fixedly connected to the outer side of the lower filter housing (1); a net basket (13) is arranged inside the lower filter housing (1); a symmetrically distributed connecting plate (14) is fixedly connected to the upper outer side of the net basket (13); symmetrically distributed clamping grooves (15) are provided on the inner side of the top of the lower filter housing (1); one end of the connecting plate (14) is slidably clamped in the inner side of the clamping groove (15); a movable groove (16) is provided on one side of the inner wall of the clamping groove (15); the movable groove The inner wall of the lower filter housing (1) is provided with a sliding groove (21) connected to the movable groove (16), and a pull rod (20) is slidingly engaged with the inner side of the sliding groove (21), and one end of the pull rod (20) is fixedly connected to the connecting column (18).

2. A closed bag filter as claimed in claim 1, characterized in that: A collecting barrel (22) is fixedly mounted on the inner bottom surface of the lower filter housing (1); a conical groove (23) is provided at the top of the collecting barrel (22); a flow groove (24) is provided inside the collecting barrel (22); the conical groove (23) and the flow groove (24) are interconnected; one end of the flow groove (24) is aligned with the discharge pipe (12).

3. A closed bag filter as claimed in claim 2, characterized in that: The outer lower fixing sleeve of the upper filter housing (2) is provided with a first connecting ring (25), and the outer upper fixing sleeve of the lower filter housing (1) is provided with a second connecting ring (26). The top end of the first connecting ring (25) is threadedly mounted with bolts (27) distributed in an array, and one end of the bolt (27) is threadedly penetrated through the first connecting ring (25) and is threadedly mounted on the bottom of the second connecting ring (26).

4. A closed bag filter as claimed in claim 3, characterized in that: The top fixing sleeve of the lower filter housing (1) is provided with a sealing ring (28), and the inner wall of the sealing ring (28) is in close contact with the upper filter housing (2).

5. A closed bag filter as claimed in claim 4, characterized in that: The bottom surface of the lower filter housing (1) is fixedly mounted with supporting legs (29) distributed in an array.

6. A closed bag filter as claimed in claim 3, characterized in that: A handle (30) is fixedly mounted on the top of the upper filter housing (2).

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