TWM507792U - Cylinder filter with bags and scrap remover thereof - Google Patents

Description

Bag sleeve filter and scraper

The present invention provides a bag type sleeve filter and a scraper thereof, in particular to a bag type sleeve filter having a scraper, which can be scraped off in advance while the scraper is being removed. The attachment of the wall to ensure that the attachment of the inner wall surface of the sleeve does not fall into the sleeve during the process of replacing the filter bag, and the filler is free from impurities and crumbs.

Please refer to the first and second figures, which are a conventional bag type sleeve filter 10, whose main purpose is to filter impurities or dross or metal chips in the liquid, so that the filtered liquid does not contain impurities. The slag and the metal swarf are attached to the inner wall surface of the outer cylinder 11 and are provided with a retracting ring flange 112. The outer end of the outer cylinder 11 is pivotally provided with an openable upper cover 12, and the upper end of the outer cylinder 11 And an inlet 13 and an outlet 14 are respectively disposed at the lower end, and the inlet 13 and the outlet 14 are connected to the chamber 111 inside the outer cylinder 11, and the ring flange 112 is provided for a filter cartridge 15 and a filter bag 16 The filter bag 16 is simultaneously received in the filter cartridge 15, and the top end of the filter bag 16 and the filter cartridge 15 are formed with an outwardly expanding convex ring 161, 151 and abutting against the ring flange 112. The filter bag 16 and the filter cartridge 15 are suspended in the outer cylinder 11. The upper surface of the convex ring 161 is pressed down by a fixing ring 17 of a through hole 171 to be locked with the convex ring 161, 151 and the ring flange 112. ; After the use of the bag filter 10 for a period of time, the pores of the material of the filter bag 16 are filled with impurities or dross or metal chips, so that the filtering effect is deteriorated, and the filter bag 16 has to be replaced, but each When the filter bag 16 is taken out, the impurities or dross or metal scrap attached to the inner wall surface 113 of the outer cylinder 11 above the inlet 13 may fall into the filter cartridge 15 due to human touch or natural, and The perforations 152 of the cylinder 15 are larger than the material pores of the filter bag 16, and the fallen impurities or dross or metal scraps are again tumbling and dropped to the bottom of the chamber 111 of the outer cylinder 11, and finally discharged from the outlet 14, which pollutes the already The liquid for the filtration operation is completed, and the work is lost.

Based on the shortcomings of the above-mentioned bag-type sleeve filter, the creator is based on the experience of the industry for many years, researching and making sample samples with continuous experience, and finally improving The creation that can achieve the following creative purposes was born.
That is, the main purpose of the creation is to provide a scraper at the upper end of the inner wall surface of the bag-type sleeve filter, so that the bag sleeve is first filtered by a scraper before the filter bag is removed and the filter bag is taken out. The impurities or scraps or metal chips attached to the inner wall of the device are scraped off to prevent the inner wall surface of the sleeve filter attached to the inner wall surface of the bag-type sleeve filter from falling after the filter bag is taken out. It is blended into the liquid that has been completely filtered.
For the purpose of the above creation, the improved feature of the present invention is that the bag filter comprises at least an outer cylinder, a filter bag and a scraper;
The outer cylinder has a first opening and is open to the outside, and the first opening can be sealed by an upper cover; the interior thereof is a hollow first chamber; the upper end is provided with one to several inlets; There are one to several outlets, the inlet and the outlet are connected to the first chamber; the inner wall of the first chamber is near the upper end, forming a class edge, the class edge is located below the inlet;
The filter bag is a long bag body; the top end has a third opening and communicates with the outside; the interior thereof is provided with a third chamber; the bottom portion is composed of non-woven fabric or cotton cloth having pores; The third opening defines a third ring flange which is slightly enlarged outwardly. When the filter bag is placed in the first chamber of the outer cylinder, the third ring flange can be engaged with the edge of the class to suspend the filter bag. In the first chamber;
The scraper comprises a rigid ring body and a soft and hard medium and slightly deformable ring; the ring is sleeved on the outer surface of the ring body, and the ring system has a through end The through hole, the two opposite positions of the ring body are connected with a grip portion and span the two ends of the through hole; the scraper is placed in the first chamber and pressed against the third of the filter bag The ring flange has a ring that completely abuts against the inner wall surface of the first chamber.
When the filter bag needs to be replaced, the upper cover must be disassembled first. At this time, the scraping or dross or metal scrap attached to the inner wall surface of the first chamber above the scraper can make the scraper Slowly shift upward or reverse upward and downward, and scrape off the attached debris or dross or metal scrap with a ring that abuts the inner wall surface of the first chamber ring, so that the chips or dross or metal chips are pre-dropped. In the filter bag, until the scraping ring is completely taken out of the first chamber, the attached debris or dross or metal scrap is also scraped off at the same time, and when the filter bag is taken out, the other debris or the The dross or metal shavings are dropped and blended into the liquid that has completed the filtration process.

Symbol of the case:
10‧‧‧Pocket sleeve filter 11‧‧‧Outer cylinder 111‧‧‧Room 112‧‧‧Ring flange 113‧‧‧ Inner wall 12‧‧‧Upper cover 13‧‧‧ Entrance 14‧‧‧Exit 15‧‧‧ Filter Cartridge 151‧‧ Ø Coil 152‧‧‧Perforated 16‧‧‧ Filter Bag 161‧‧‧Convex Ring 17‧‧‧Fixed Ring 171‧‧‧ Through Hole Symbol of Creation:
20, 20A‧‧ ‧ bag sleeve filter 21‧‧‧ outer cylinder 211‧‧‧ first chamber 212‧‧ ‧ class edge 213‧‧ ‧ inner wall 214‧ ‧ first opening 22 ‧ ‧ upper cover 221‧‧‧Perforation 23‧‧‧Entry 24‧‧‧Export 25‧‧‧Fixed ring 251‧‧ Circumference 252‧‧‧Leakage ring 253‧‧‧ Screw hole 26‧‧‧ Bolt 30‧‧‧ Filter Cylinder 31‧‧ Second ring flange 32‧‧‧Second opening 33‧‧‧Second chamber 34‧‧‧Perforation 40‧‧ Filter bag 41‧‧ Third ring flange 42‧‧‧ Three openings 43‧‧ Third room 50‧‧‧Scraper 51‧‧‧ Ring body 52‧‧‧ Through hole 53‧‧‧ Grip 531‧‧‧ Screw hole 54‧‧‧ Ring groove 55 ‧‧‧Circle 551‧‧‧through hole 60‧‧‧First duct 70‧‧‧Second duct 80‧‧‧Filter bag 81‧‧‧ Third ring flange 811‧‧ ‧ retaining ring 812‧ ‧‧Through hole 82‧‧ Third opening 83 ‧‧ lifting straps 84‧‧‧ third chamber

The first figure is a schematic cross-sectional view of a conventional bag type sleeve filter.
The second figure is a schematic cross-sectional view of a conventional bag type sleeve filter when the filter bag is replaced.
The third figure is an exploded perspective view of the first embodiment of the present creation.
The fourth figure is an assembled perspective view of the third figure.
The fifth figure is a schematic cross-sectional view of the fourth figure.
The sixth and seventh figures are schematic views of the cross-sectional action of the first embodiment of the present creation.
The eighth figure is an exploded perspective view of the second embodiment of the present creation.
The ninth drawing is a schematic cross-sectional view of the eighth figure.

In order to enable the reviewers and those skilled in the art to have a better understanding of the creation and implementation of this work, an embodiment will be described, with reference to the drawings, which will be described in detail below, but this embodiment is only for illustrative purposes. It is not intended to limit the implementation of this creation. The implementation of this creation in the future is not limited to this. Any improvement made by the structural features of this creation is bound by this creation.
Please refer to the third to fifth figures, which are the bag sleeve filter 20 of the first embodiment of the present invention, which comprises an outer cylinder 21, a filter cartridge 30, a filter bag 40, and a scraping chip. 50
The outer tube 21 has a first opening 214 and is connected to the outside. The first opening 214 is formed as a fixing ring 25 which is slightly enlarged outward. The end surface of the fixing ring 251 is arranged at intervals. a screw hole 253, and a ring groove 251 is formed at the outer ring of the first opening 214. The ring groove 251 can be embedded in a leak-proof ring 252, and is further covered by an upper cover 22 corresponding to the ring cover 253. Each of the plurality of screw holes 253 is provided with a through hole 221, and each of the holes 221 is pivoted through the holes 221 and screwed into the corresponding screw holes 253 to seal the upper cover 22 and the fixing ring 25. The upper cover 22 is sealed. The intermediate position of the outer tube 21 is located at a position close to the top end of the outer tube 21, and the inner portion of the outer tube 21 constitutes a hollow first chamber 211, An outlet 24 is disposed at an end of the chamber 211, wherein the outlet 24 may be disposed on the outer side of the outer cylinder and close to the bottom end as needed; Near the upper end surface of the inner wall 213 of the chamber 211, a line 212 is formed in each edge class retracted, the edge 212 of the class is located below the inlet 23 of the system;
The filter cartridge 30 is a hollow cylinder having a second opening 32 communicating with the outside at the top end, and the second opening 32 is formed as a second ring flange 31 slightly enlarged to the outside. The outer ring surface and the bottom end are provided with a considerable number of perforations 34, the interior of which constitutes a hollow second chamber 33;
The filter bag 40 is a long bag body; the top end thereof has a third opening 42 and communicates with the outside; and the third opening 42 at the top end thereof forms a third ring flange 41 which is slightly enlarged outward, and the inside thereof The system has a third chamber 43; it is composed of a non-woven fabric or cotton cloth having a hole; the third ring flange 41 at the top end can be made of a plastic material, and then fixed together with the non-woven fabric or cotton cloth of the bag body. ;
The scraper 50 has a rigid ring body 50 and a soft and hard medium and slightly deformable ring 55; the ring body 50 has a through hole 52 extending through the two ends, and the ring body 50 Between the two opposite positions, a grip portion 53 is coupled to the two ends of the through hole 52. The grip portion 53 is provided with a screw hole 531 extending through the two ends for assembling a magnetic bar or other articles. The outer ring surface of the ring body 50 forms a ring groove 54 which is gradually expanded from the outer to the inner portion. The ring groove 54 is provided with a ring 55 disposed therein; the ring The ring 55 is provided with a through hole 551 whose cross-sectional shape is enlarged toward both sides.
Please continue to cooperate with the fifth to seventh figures. The effect of the bag-type sleeve filter 20 of the present embodiment is as follows: the filter cartridge 30 and the filter bag 40 are placed together in the outer cylinder 21 In the first chamber 211, the second ring flange 31 of the filter cartridge 30 is snapped against the edge 212 to suspend the filter cartridge 30 in the first chamber 211. The filter bag 40 is simultaneously placed in the filter chamber. In the second chamber 33 of the cylinder 30, the third ring flange 41 is pressed against the second ring flange 31 of the filter cartridge 30, so that the bag body of the filter bag 40 is also suspended from the second volume of the filter cartridge 30. In the chamber 33, the scraper 50 is placed on the third ring flange 41 of the filter bag 40, and the ring 55 and the inner wall surface 213 of the first chamber 211 are closely attached together, and the upper cover 22 is The inlet 23 is connected to the first conveying pipe 60, and the outlet 24 of the first chamber 211 is coupled to a second conveying pipe 70. The first conveying pipe 60 can convey the liquid to be filtered into the first chamber 211. And entering the third chamber of the filter bag 40 In 3, the impurities or the dross or metal scraps in the liquid are filtered out, so that the liquid permeated from the filter bag 40 conforms to the purity required in the process or the product, and then the outer ring surface and the bottom of the filter cartridge 30. The perforation 34 of the end flows to the bottom of the first chamber 211, and finally is outputted by the second duct 70 to the next process or packaged as a finished product; and after the filter bag 40 is used for a period of time, the pores are filled with impurities. Or the dregs or metal shavings, the effect of filtering is lost, and must be replaced, and at the inner wall surface 213 of the first chamber 211 between the scraper 50 and the inlet 23, impurities or dross in the liquid or Metal shavings, as shown in the sixth figure, the feature of the present invention is that the scraper 50 can be placed above the filter bag 40. Before replacing the filter bag 40, the upper cover 22 must be removed and the scraper must be removed. 50 is taken out, and the loop 55 of the scraper 50 is closely attached to the inner wall surface 213, so that the grip portion 53 of the scraper 50 can be held by the scraper 50 along the first chamber 211. The inner wall surface 213 is displaced upward, and the impurities or the dross or the metal scrap attached to the inner wall surface 213 are scraped off, and the scraped impurities or the dross or metal scraps are dropped to the third of the filter bag 40. In the chamber 43, after the process of removing the filter bag 40 or after taking out, no impurities or dross or metal chips fall from the inner wall surface 213 and are mixed into the liquid which has been subjected to the filtration operation.
Please refer to the eighth and ninth drawings, which is the bag sleeve filter 20A of the second embodiment of the present invention, which comprises an outer cylinder 21, a filter bag 80, and a scraper 50; The outer tube 21 and the wiper 50 are completely the same as the first embodiment, and will not be described again;
The filter bag 80 is a long bag body; the top end has a third opening 82 and communicates with the outside; the third opening 82 of the top end forms a third ring flange 81, and the inner part thereof has a first a three-chamber chamber 83; it is composed of a non-woven fabric or a cotton cloth having a hole; the third ring flange 81 at the top end thereof is directly covered with a retaining ring 811 of a through hole 812 by a non-woven fabric or a cotton cloth, and sewn together. And being fixed together with the non-woven fabric or the cotton cloth of the bag body, the two ends of the third opening 82 are connected with a strap 83; the filter bag 80 is inserted into the first chamber 211 of the outer tube 21, The third ring flange 81 of the filter bag 80 is snapped against the step edge 212 to suspend the filter bag 80 in the first chamber 211, and the scraper 50 is placed on the third ring flange 81 of the filter bag 80. The ring 55 and the inner wall surface 213 of the first chamber 211 are closely attached to each other; the other assembly manners and methods of use of the second embodiment, and the effect are produced, and the bag sleeve filter of the first embodiment is used. 20 is the same, The second embodiment provides a bag sleeve filter 20A of a relatively simple composition, which is more suitable for use in a process environment with a lower liquid pressure, and the bag sleeve filter of the first embodiment. 20 also has the effect of avoiding the replacement of the filter bag 80, and then dropping the dust or dross or metal chips from the inner wall surface 213 of the first chamber 211 to be mixed into the liquid which has been subjected to the filtration operation.
In summary, the effectiveness of this creation is in line with the new regulations in the patent law, and the applicant has not found the same in the domestic and foreign literature, and has filed a patent application according to law.

20‧‧‧Pocket sleeve filter

21‧‧‧Outer tube

211‧‧‧First room

212‧‧‧Class

213‧‧‧ inner wall

214‧‧‧ first opening

22‧‧‧Upper cover

221‧‧‧Perforation

23‧‧‧ Entrance

24‧‧‧Export

25‧‧‧Fixed ring

251‧‧‧Circle

252‧‧‧ leaking ring

253‧‧‧ screw holes

26‧‧‧ bolt

30‧‧‧ filter cartridge

31‧‧‧Second ring flange

32‧‧‧second opening

33‧‧‧Second room

34‧‧‧Perforation

40‧‧‧ filter bag

41‧‧‧ Third ring flange

42‧‧‧ third opening

43‧‧‧ third room

51‧‧‧ Ring Ontology

53‧‧‧ grips

531‧‧‧ screw holes

54‧‧‧ring groove

55‧‧‧ ring

60‧‧‧First duct

70‧‧‧Second delivery tube

Claims (10)

[Item 1] a bag type sleeve filter comprising at least an outer tube, a filter bag and a scraper;
The outer cylinder has a first opening and communicates with the outside, and the first opening can be sealed by an upper cover; the interior thereof constitutes a hollow first chamber; and the upper end is provided with one to several inlets; The lower end is provided with one to several outlets, and the inlets and the outlets are in communication with the first chamber; the inner wall surface of the first chamber is near the upper end to form a class edge, and the class edge is located below each inlet ;
The filter bag is a long bag body; the top end has a third opening and communicates with the outside; the inner portion of the filter bag has a third chamber; and the third opening at the top end thereof forms a third slightly enlarged outward a ring flange, when the filter bag is placed in the first chamber of the outer cylinder, the third ring flange can be engaged with the edge of the class to suspend the filter bag in the first chamber;
The scraper comprises a rigid ring body and a soft and hard medium and slightly deformable ring; the ring is sleeved on the outer surface of the ring body, and the ring system has a through end The through-hole; the scraper can be placed in the first chamber and pressed against the third ring flange of the filter bag, and the ring is completely abutted against the inner wall surface of the first chamber. [Item 2] The bag type sleeve filter according to claim 1, wherein the two opposite positions of the ring body of the chip scraper are coupled to a grip portion and span both ends of the through hole. [Item 3] The bag type sleeve filter according to claim 1, further comprising a filter cartridge, wherein the filter cartridge is a hollow cylinder having a second opening and communicating with the outside. The second opening is formed as a second ring flange slightly enlarged to the outside, and the outer ring surface and the bottom end are provided with a considerable number of perforations, and the inside thereof constitutes a hollow second chamber; the filter cartridge can be Inserted in the first chamber, and the second ring flange is clamped against the edge of the class to suspend the filter cartridge in the first chamber, and the filter bag is placed in the second chamber of the filter cartridge. The third ring flange is pressed against the second ring flange of the filter cartridge, so that the bag body of the filter bag is also suspended in the second chamber of the filter cartridge. [Item 4] The bag type sleeve filter according to claim 1, wherein the third ring flange of the top end of the filter bag is made of a plastic material, and then combined with a non-woven fabric or a cotton cloth to form a bag body. [Item 5] The bag-type sleeve filter according to claim 1, wherein the third ring flange of the filter bag is directly covered with a non-woven fabric or a cotton cloth to cover the through-hole retaining ring and sewn together. A bag body. [Item 6] The utility model relates to a scraper of a bag type sleeve filter, which comprises a hard ring body and a ring which is moderately soft and hard and can be slightly stretched and deformed; the ring ring has a through hole and can be sleeved outside the ring body The torus, the ring system has a through hole penetrating both ends. [Item 7] The scraper of the bag type sleeve filter according to claim 6, wherein the two opposite positions of the ring body are coupled to a grip portion and span both ends of the through hole. [Item 8] The scraper of the bag type sleeve filter according to claim 6, wherein the outer ring surface of the ring body forms a ring groove, and the ring ring is sleeved in the ring groove. [Item 9] The scraper of the bag type sleeve filter according to claim 7, wherein the grip portion is provided with a screw hole. [Item 10] The scraper of the bag type sleeve filter according to claim 8 is characterized in that the annular groove is gradually expanded from the outer to the inner, and the shape of the cross section of the ring is enlarged toward both sides.