High-temperature-resistant filter bag

Abstract

The utility model discloses a high temperature resistant filter bag which comprises an external pipe, the external pipe is connected to external equipment, an opening mechanism is arranged on the external pipe, the opening mechanism comprises a fixing sleeve, a contraction table, a sliding block, an extension rod, a spring, a filter bag body, a fitting block, a fixing mechanism and an unfastening mechanism, the fixing sleeve is coaxially installed on the external pipe, and the extension rod is arranged on the contraction table. The multiple contraction tables are arranged on the inner wall of the fixing sleeve respectively, a sliding groove is formed in each contraction table, the opening mechanism can effectively prevent the attaching phenomenon in the filter bag, the optimal working state of the filter bag is kept, and through the synergistic effect of the contraction tables, the sliding blocks, the extension rods and the springs, the filter bag can be opened and closed. And the opening mechanism can open the filter bag body as required to enlarge the internal space of the filter bag body and ensure smooth airflow, so that the filtering efficiency is improved, and the service life of the filter bag is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of high temperature resistant filter bags, and more specifically, to a high temperature resistant filter bag. Background Art

[0002] In the existing technology, high temperature resistant filter bags are a kind of filter material widely used in high temperature environment. They can withstand extreme temperature conditions and effectively capture and filter solid particles. However, during use, high temperature resistant filter bags may have internal fitting problems, that is, folding or adhesion inside the bag body. This phenomenon will reduce the effective filtration area of ​​the filter bag, affect the smooth flow of airflow, and thus reduce the filtration efficiency and use effect. If the filter bag cannot be effectively opened and its original shape and structure cannot be maintained, the filtration performance will be reduced, the operating resistance of the system will be increased, and it may even cause damage to the filter bag or premature failure. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides a high temperature resistant filter bag to solve the technical problems mentioned in the background technology.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature resistant filter bag, comprising an external tube, which is connected to external equipment, and an expansion mechanism is arranged on the external tube, and the expansion mechanism comprises a fixed sleeve, a shrinking platform, a slider, an extension rod, a spring, a filter bag body, a fitting block, a fixing mechanism and a disengaging mechanism, the fixed sleeve is coaxially mounted on the external tube, a plurality of shrinking platforms are provided, and the plurality of shrinking platforms are respectively mounted on the inner wall of the fixed sleeve, a slide groove is provided on each of the shrinking platforms, the slider is slidably connected in the slide groove, and the slider is fitted on the shrinking platform, one end of the extension rod is connected to the slider, and the other end of the extension rod is connected to the spring, the plurality of springs are respectively in contact with the filter bag body, the plurality of fitting blocks are respectively mounted on the filter bag body, and the fitting block is in contact with the side wall of the fixed sleeve, and the fixing mechanism and the disengaging mechanism are respectively mounted on the fixed sleeve.

[0007] The utility model is further configured that a plurality of extension grooves are equidistantly provided on the side wall of the fixing sleeve, and a plurality of the extension rods are fitted and connected in the extension grooves. The design of the extension grooves ensures the retraction of the extension rods.

[0008] The utility model is further configured such that the fixing mechanism includes an inner ring and a threaded sleeve, the inner ring is coaxially mounted on the fixing sleeve, the threaded sleeve is threadedly connected to the inner ring, a plurality of rotation grooves are equidistantly provided on the side wall of the threaded sleeve, and the design of the fixing mechanism ensures the convenience of opening.

[0009] The utility model is further configured such that a fitting ring is coaxially provided on the lower end surface of the threaded sleeve, and a push spring is provided on the lower end surface of each of the sliders, the push spring abuts against the fitting ring, and the design of the push spring ensures the continuity of the push.

[0010] The utility model is further configured that a hexagonal groove is provided on the fitting ring, the hexagonal groove and the threaded sleeve are coaxially arranged, and the design of the hexagonal groove ensures the convenience of rotation.

[0011] The utility model is further configured such that the unlocking mechanism includes a side plate, and a plurality of the side plates are provided. A side plate is installed on each of the sliders, and a lateral groove is opened on each of the retracting platforms. The side plates are slidably connected in the lateral grooves. The design of the unlocking mechanism ensures the convenience of unlocking.

[0012] The utility model is further configured that an unfastening sleeve is slidably provided on the fixing sleeve, and the unfastening sleeve abuts against the plurality of side panels. The design of the unfastening sleeve ensures that the plurality of side panels can be easily unfastened.

[0013] The utility model is further configured that a hexagonal section is coaxially arranged on the external pipe, and the design of the hexagonal section ensures that the external pipe is fixed.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a high temperature resistant filter bag, which has the following beneficial effects:

[0016] 1. The expansion mechanism can effectively prevent the internal adhesion of the filter bag and maintain the best working condition of the filter bag. Through the coordinated action of the contraction table, slider, extension rod and spring, the expansion mechanism can expand the filter bag body when needed to increase its internal space and ensure smooth airflow, thereby improving the filtration efficiency and the service life of the filter bag.

[0017] 2. The fixing mechanism can firmly fix the filter bag in the appropriate position. Through the design of the internal ring and the threaded sleeve, the fixing mechanism ensures that the structure of the filter bag remains constant during use and prevents displacement caused by mechanical vibration or external pressure changes during filtering operation.

[0018] 3. The release mechanism provides a quick and convenient way to release the filter bag, so that the filter bag can be easily maintained when it needs to be cleaned or replaced. Through the design of the side panel and the release sleeve, the release mechanism allows the user to quickly release the filter bag body, simplifying the maintenance process and reducing downtime. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a high temperature resistant filter bag in the utility model;

[0020] Figure 2 For the utility model Figure 1 A schematic cross-sectional structure diagram of;

[0021] Figure 3 For the utility model Figure 2 A schematic cross-sectional structure diagram of;

[0022] Figure 4 It is a structural schematic diagram of the fixing sleeve in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the threaded sleeve in the utility model.

[0024] In the figure: 1. external tube; 2. fixed sleeve; 3. retracting table; 4. slider; 5. extension rod; 6. spring; 7. filter bag body; 8. fitting block; 9. slide groove; 10. extension groove; 11. inner ring; 12. threaded sleeve; 13. rotating groove; 14. fitting ring; 15. push spring; 16. hexagonal groove; 17. side plate; 18. lateral groove; 19. release sleeve; 20. hexagonal section. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0028] See also Figure 1-5A high temperature resistant filter bag comprises an external tube 1, which is connected to an external device. An opening mechanism is arranged on the external tube 1, and the opening mechanism comprises a fixed sleeve 2, a contraction platform 3, a slider 4, an extension rod 5, a spring 6, a filter bag body 7, a fitting block 8, a fixing mechanism and an unfastening mechanism. The fixed sleeve 2 is coaxially mounted on the external tube, a plurality of contraction platforms 3 are arranged, and the plurality of contraction platforms 3 are respectively mounted on the inner wall of the fixed sleeve 2, a slide groove 9 is arranged on each contraction platform 3, the slider 4 is slidably connected in the slide groove 9, and the slider 4 is fitted on the contraction platform 3, one end of the extension rod 5 is connected to the slider 4, and the other end of the extension rod 5 is connected to the spring 6, and the plurality of springs 6 are respectively in contact with the filter bag body 7, and the plurality of fitting blocks 8 are respectively mounted on the filter bag body 7, and the ... The block 8 abuts against the side wall of the fixed sleeve 2, and the fixing mechanism and the unlocking mechanism are respectively installed on the fixed sleeve 2. A plurality of extending grooves 10 are equidistantly provided on the side wall of the fixed sleeve 2, and a plurality of extending rods 5 are fitted and connected in the extending grooves 10. The fixing mechanism includes an inner ring 11 and a threaded sleeve 12. The inner ring 11 is coaxially installed on the fixed sleeve 2, and the threaded sleeve 12 is threadedly connected to the inner ring 11. A plurality of rotating grooves 13 are equidistantly provided on the side wall of the threaded sleeve 12, and a fitting ring 14 is coaxially provided on the lower end surface of the threaded sleeve 12. A push spring 15 is provided on the lower end surface of each slider 4, and the push spring 15 abuts against the fitting ring 14. A hexagonal groove 16 is provided on the fitting ring 14. The hexagonal groove 16 and the threaded sleeve 12 are coaxially arranged, and a hexagonal section 20 is coaxially provided on the external pipe 1.

[0029] In this embodiment, when the filter bag needs to be stretched open, since multiple fitting blocks 8 are provided, multiple springs 6 and extension rods 5 are passed through the gaps of the multiple fitting blocks 8, so that the fitting blocks 8 fit on the side wall of the fixed sleeve 2, and then are threadedly connected to the inner ring 11 through the threaded sleeve 12, so that the fitting ring 14 abuts against the push spring 15, thereby driving the slider 4 to slide along the retracting table 3, so that the multiple sliders 4 are stretched open, so that the spring 6 on the extension rod 5 is stretched accordingly, and then the spring 6 abuts against the side wall of the filter bag body 7, stretching the filter bag, thereby avoiding the fitting inside the filter bag, and then ensuring the use effect of the filter bag.

[0030] See also Figure 2 and Figure 3 As an implementation method of the unbending mechanism: the unbending mechanism includes a side plate 17, and a plurality of side plates 17 are provided. Each slider 4 is equipped with a side plate 17, and a lateral groove 18 is opened on each shrinking platform 3. The side plate 17 is slidably connected in the lateral groove 18, and an unbending sleeve 19 is slidably provided on the fixed sleeve 2, and the unbending sleeve 19 abuts against multiple side plates 17.

[0031] More specifically, when it is necessary to unlock, the unlocking sleeve 19 is driven to slide downward, which will then drive the multiple side panels 17 to move downward, and then the multiple sliders 4 will shrink, so the multiple springs 6 will also shrink accordingly, so that the extension rod 5 is slidably connected in the extension groove 10, thereby unlocking the fixation of the spring 6 and the filter bag body 7, and then completing the unlocking process.

[0032] In summary, when the overall equipment is in use or running: when the filter bag needs to be stretched open, since there are multiple fitting blocks 8, the gaps of the multiple fitting blocks 8 are passed through multiple springs 6 and the extension rod 5, so that the fitting blocks 8 are fitted on the side wall of the fixed sleeve 2, and then threadedly connected to the inner ring 11 through the threaded sleeve 12, so that the fitting ring 14 is in contact with the push spring 15, thereby driving the slider 4 to slide along the retraction table 3, so that the multiple sliders 4 are stretched open, so that the spring 6 on the extension rod 5 is stretched accordingly, and then the spring 6 is in contact with the side wall of the filter bag body 7, stretching the filter bag, thereby avoiding the fitting inside the filter bag, and then ensuring the use effect of the filter bag.

[0033] When it is necessary to unlock, the unlocking sleeve 19 is driven to slide downward, and then the multiple side plates 17 are driven to move downward, and then the multiple sliders 4 are contracted, so the multiple springs 6 are also contracted accordingly, so that the extension rod 5 is slidably connected in the extension groove 10, thereby unlocking the fixation of the spring 6 and the filter bag body 7, and then completing the unlocking process.

[0034] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high temperature resistant filter bag, comprising an external pipe (1), characterized in that: The external pipe (1) is connected to an external device. The external pipe (1) is provided with an expansion mechanism. The expansion mechanism comprises a fixed sleeve (2), a contraction platform (3), a slider (4), an extension rod (5), a spring (6), a filter bag body (7), a fitting block (8), a fixing mechanism and an unlocking mechanism. The fixed sleeve (2) is coaxially mounted on the external pipe. A plurality of contraction platforms (3) are provided. The plurality of contraction platforms (3) are respectively mounted on the inner wall of the fixed sleeve (2). Each contraction platform (3) is provided with a A slide groove (9) is provided, a slider (4) is slidably connected in the slide groove (9), and the slider (4) is attached to the contraction platform (3), one end of the extension rod (5) is connected to the slider (4), and the other end of the extension rod (5) is connected to the spring (6), a plurality of the springs (6) are respectively in contact with the filter bag body (7), a plurality of the attachment blocks (8) are respectively installed on the filter bag body (7), and the attachment blocks (8) are in contact with the side wall of the fixing sleeve (2), and the fixing mechanism and the unlocking mechanism are respectively installed on the fixing sleeve (2).

2. A high temperature resistant filter bag according to claim 1, characterized in that: A plurality of extension grooves (10) are equidistantly provided on the side wall of the fixing sleeve (2), and a plurality of the extension rods (5) are fitted and connected in the extension grooves (10).

3. The high temperature resistant filter bag according to claim 1, characterized in that: The fixing mechanism comprises an inner ring (11) and a threaded sleeve (12); the inner ring (11) is coaxially mounted on the fixing sleeve (2); the threaded sleeve (12) is threadedly connected to the inner ring (11); and a plurality of rotation grooves (13) are equidistantly provided on the side wall of the threaded sleeve (12).

4. A high temperature resistant filter bag according to claim 3, characterized in that: A fitting ring (14) is coaxially arranged on the lower end surface of the threaded sleeve (12), and a push spring (15) is arranged on the lower end surface of each slider (4), and the push spring (15) abuts against the fitting ring (14).

5. A high temperature resistant filter bag according to claim 4, characterized in that: The fitting ring (14) is provided with a hexagonal groove (16), and the hexagonal groove (16) and the threaded sleeve (12) are coaxially arranged.

6. The high temperature resistant filter bag according to claim 1, characterized in that: The unlocking mechanism comprises a side plate (17), a plurality of side plates (17) are provided, each of the sliders (4) is provided with a side plate (17), each of the shrinking platforms (3) is provided with a lateral groove (18), and the side plate (17) is slidably connected in the lateral groove (18).

7. A high temperature resistant filter bag according to claim 6, characterized in that: A release sleeve (19) is slidably provided on the fixing sleeve (2), and the release sleeve (19) abuts against the plurality of side panels (17).

8. The high temperature resistant filter bag according to claim 1, characterized in that: A hexagonal section (20) is coaxially arranged on the external pipe (1).

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