Extensible filter bag structure

Abstract

The utility model discloses an extensible filter bag structure which comprises a top bag, an extension bag and a bottom bag, the top end of the extension bag is arranged at the bottom end of the top bag, and the top end of the bottom bag is arranged at the bottom end of the extension bag; the expansion mechanisms are arranged at the connecting positions of the top bag and the expansion bags, the connecting positions of the expansion bags and the connecting positions of the expansion bags and the connecting positions of the expansion bags and the bottom bag; according to the expandable filter bag structure, the filter bag structure can be expanded more simply and conveniently through the expansion mechanisms arranged at the joints of the top bag and the expansion bags, the joints of the expansion bags and the joints of the expansion bags and the bottom bag, and the time of an operator is saved; according to the structure, the limiting mechanism arranged at the bottom end of the bottom bag is matched with the adjustable framework to fix the relative position relation of the bottom bag, the expansion bag and the top bag in the filter bag structure, so that the influence of instrument vibration on the mechanism is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter bag technical field, concretely is a kind of scalable filter bag structure. BACKGROUND

[0002] Filter bag is the key part in the operation process of bag-type dust collector, and the cylindrical filter bag net is usually suspended vertically in the dust collector. The size of the filter bag net fabric is limited during production and cutting, so that the size of the output filter bag net is fixed and difficult to adjust.

[0003] The patent document with the publication number CN215310902U in the prior art provides: a filter bag capable of length combination and splicing, comprising a filter bag net, an upper splicing head connected to the upper end of the filter bag net through an upper connecting frame, a splicing groove formed in the middle position of the upper surface of the upper splicing head, and a lower splicing head connected to the lower end of the filter bag net through a lower connecting frame. The connection of two filter bag nets can be realized by splicing the splicing groove on the inner side of the upper splicing head of one filter bag net with the lower splicing head of another filter bag net. The lower splicing head at the lower end of one filter bag net can be slid into the opening position of the rotating door on the side of the upper splicing head of another filter bag net through the gap between the lower splicing heads. The two filter bag nets are connected through the connecting frame and the splicing head, and the filter bag nets are connected to each other through the splicing head, so that damage to the filter bag nets caused by pulling is avoided.

[0004] Although the device has many benefits, it still has the following problems: the device is inconvenient to operate when expanding the filter bag. Since the lower splicing head needs to be inserted one by one into the inner side of the splicing groove during installation, the assembly of two filter bag nets is completed, which consumes a lot of time for the operator and is very inconvenient during actual operation.

[0005] Secondly, the assembled filter screen of the device is affected by instrument vibration and other factors during use, which may cause loosening of the lower splicing head and the splicing groove, and further cause disengagement, affecting the service life and safety of the device. SUMMARY

[0006] This section aims to outline some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and title of the present application, to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0007] 1. Technical problem to be solved:

[0008] In order to solve the above-mentioned in the device in the operation of the filter bag expansion still exists the inconvenience, because in the installation needs to insert the lower splice joint into the inside of the splice slot one by one, the assembly of two filter bag nets is completed, so that the operation mode consumes a lot of time of the operator, and it is very inconvenient in the actual operation process;

[0009] Secondly, the assembled filter screen of the device is affected by instrument vibration and the like during use, the lower splice joint and the splice slot are loose, and then fall off, thereby affecting the service life and use safety of the device, and the utility model discloses.

[0010] Therefore, the utility model discloses a kind of expandable filter bag structures, which can expand filter bag structure more simply, save operator time;The structure can reduce the influence of instrument vibration on the mechanism by fixing the positional relationship of filter bag structure.

[0011] 2. Technical scheme:

[0012] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0013] An expandable filter bag structure includes a top bag, an expansion bag and a bottom bag, the expansion bag top end is arranged at the top bag bottom end, and the bottom bag top end is arranged at the expansion bag bottom end.

[0014] Expansion mechanism, the expansion mechanism is arranged at the connection of the top bag and the expansion bag, the expansion bag and the expansion bag and the expansion bag and the bottom bag, and the expansion mechanism can be detachably connected to the top bag and the expansion bag, the expansion bag and the expansion bag and the expansion bag and the bottom bag.

[0015] Limiting mechanism, the limiting mechanism is arranged inside the bottom bag.

[0016] Adjustable skeleton, one end of the adjustable skeleton is arranged at the top end of the top bag, and the other end of the adjustable skeleton is arranged on the limiting mechanism, and the limiting mechanism and the adjustable skeleton cooperate to fix the relative positions of the top bag, the expansion bag and the bottom bag.

[0017] As a preferred scheme of the utility model, the expansion mechanism includes a ring-shaped connecting plate, the connecting plate is arranged at the bottom end of the top bag and the bottom end of the expansion bag.

[0018] Plug-in flange, the plug-in flange is arranged at the lower end of the ring-shaped connecting plate.

[0019] Elastic clamping block, the elastic clamping block is arranged on the side surface of the ring-shaped connecting plate.

[0020] A ring-shaped docking plate is arranged at the top end of the extension bag and the bottom bag;

[0021] A plug-in flange is arranged at the top end of the ring-shaped docking plate, and the plug-in flange and the plug-in flange are matched to fix the ring-shaped connecting plate and the ring-shaped docking plate;

[0022] A clamping groove is arranged on the inner side of the ring-shaped docking plate, and the clamping groove can be matched with the elastic clamping block to fix the ring-shaped connecting plate and the ring-shaped docking plate.

[0023] As a preferred scheme of the expandable filter bag structure, the elastic clamping block comprises a limiting block and a spring, the limiting block is arranged on the side of the ring-shaped connecting plate, one end of the spring is arranged on the limiting block, and the other end of the spring is arranged on the side of the ring-shaped connecting plate, and the limiting block can be retracted due to the spring.

[0024] As a preferred scheme of the expandable filter bag structure, the limiting mechanism comprises a ring-shaped limiting plate and a limiting rod, the ring-shaped limiting plate is arranged at the bottom end of the ring-shaped docking plate on the bottom bag, and a plurality of holes are formed in the ring-shaped limiting plate.

[0025] As a preferred scheme of the expandable filter bag structure, the adjustable framework comprises a plurality of sliding rods, one end of the sliding rod is arranged at the top end of the top bag, the other end of the sliding rod is arranged on the ring-shaped limiting plate, a plurality of limiting openings are arranged on the sliding rod, the sliding rod is limited by the plurality of holes on the ring-shaped limiting plate, and the limiting rod can pass through the opening of the sliding rod.

[0026] As a preferred scheme of the expandable filter bag structure, the top end of the top bag is provided with a mounting mechanism, and the mounting mechanism can fix the top bag to a use position.

[0027] As a preferred scheme of the expandable filter bag structure, the mounting mechanism comprises a mounting ring, an inner limiting ring and a gasket, the mounting ring is arranged at the top end of the top bag, a plurality of openings are arranged on the mounting ring, the inner limiting ring is arranged in the top bag, the inner limiting ring can improve the strength of the top bag during installation, and the gasket is arranged at the top end of the mounting ring and can protect the top bag during installation.

[0028] 3. Beneficial effects:

[0029] Compared with the prior art, the expandable filter bag structure has the beneficial effects that:

[0030] The expandable filter bag structure can expand the filter bag structure more simply through the expansion mechanism arranged at the connecting positions of the top bag and the expansion bag, the expansion bag and the expansion bag, and the expansion bag and the bottom bag, and saves the operator's time.

[0031] The expandable filter bag structure can fix the relative position relationship of the bottom bag, the expansion bag and the top bag in the filter bag structure through the limiting mechanism arranged at the bottom end of the bottom bag and the adjustable framework, and reduces the influence of instrument vibration on the mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0033] Figure 1 It is a whole structure schematic view of the expandable filter bag structure of the present application;

[0034] Figure 2 It is an expansion mechanism schematic view of the expandable filter bag structure of the present application;

[0035] Figure 3 It is an expansion bag structure schematic view of the expandable filter bag structure of the present application;

[0036] Figure 4 It is a limiting mechanism schematic view of the expandable filter bag structure of the present application;

[0037] Figure 5 It is a sliding rod structure schematic view of the expandable filter bag structure of the present application;

[0038] Figure 6 It is an installation mechanism schematic view of the expandable filter bag structure of the present application.

[0039] Explanation of reference numerals in the drawings: 1, top bag; 2, expansion bag; 3, bottom bag; 100, expansion mechanism; 110, annular connecting plate; 111, plug-in flange; 112, elastic clamping block; 113, limiting block; 114, spring; 120, annular butt joint plate; 121, plug-in concave flange; 122, clamping groove; 200, limiting mechanism; 201, limiting plate; 202, limiting rod; 210, adjustable framework; 211, sliding rod; 212, limiting port; 300, installation mechanism; 301, installation ring; 302, internal limiting ring; 303, gasket. DETAILED DESCRIPTION

[0040] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, comprehensible and easily understandable, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0041] The present application is described in detail in conjunction with the drawings, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0042] The orientation or positional relationship indicated in the term is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0043] The connection mode in the term should be understood broadly, for example, "connection" can be fixed connection, can be detachable connection, or integral connection; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through an intermediate medium, and can be internal communication of two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0044] The embodiments of the present application will be further described in detail below with reference to the drawings.

[0045] The present application provides a whole structure schematic diagram of an embodiment of an expandable filter bag structure, comprising:

[0046] Please refer to Figures 1-6 The expandable filter bag structure of the embodiment comprises a top bag 1, an expansion bag 2 and a bottom bag 3, the top end of the expansion bag 2 is arranged at the bottom end of the top bag 1, and the top end of the bottom bag 3 is arranged at the bottom end of the expansion bag 2;

[0047] The expansion mechanism 100 is arranged at the connection positions of the top bag 1 and the expansion bag 2, the expansion bag 2 and the expansion bag 2, and the expansion bag 2 and the bottom bag 3, and the expansion mechanism 100 can detachably connect the top bag 1 and the expansion bag 2, the expansion bag 2 and the expansion bag 2, and the expansion bag 2 and the bottom bag 3;

[0048] The limiting mechanism 200 is arranged inside the bottom bag 3;

[0049] The adjustable skeleton 210 is arranged at the top end of the top bag 1 and at the limiting mechanism 200, and the limiting mechanism 200 and the adjustable skeleton 210 cooperate to fix the relative positions of the top bag 1, the expansion bag 2 and the bottom bag 3.

[0050] It is worth mentioning that, in order to better install, specifically, the expansion mechanism 100 comprises a ring-shaped connecting plate 110, which is welded at the bottom end of the top bag and the bottom end of the expansion bag 2.

[0051] The plug-in flange 111 is welded at the lower end of the ring-shaped connecting plate 110.

[0052] The elastic clamping block 112 is connected to the side surface of the ring-shaped connecting plate 110.

[0053] The ring-shaped butt plate 120 is welded at the top end of the expansion bag 2 and the top end of the bottom bag 3.

[0054] The plug-in concave edge 121 is welded at the top end of the ring-shaped butt plate 120, and the plug-in flange 111 and the plug-in concave edge 121 cooperate to fix the ring-shaped connecting plate 110 and the ring-shaped butt plate 120.

[0055] The clamping groove 122 is arranged on the inner side surface of the ring-shaped butt plate 120, and the clamping groove 122 can cooperate with the elastic clamping block 112 to fix the ring-shaped connecting plate 110 and the ring-shaped butt plate 120.

[0056] Then, in order to better install, specifically, the elastic clamping block 112 comprises a limiting block 113 and a spring 114, the limiting block 113 is connected to the side surface of the ring-shaped connecting plate 110, the spring 114 is welded at one end of the limiting block 113, and the spring 114 is welded at the other end of the ring-shaped connecting plate 110, and the limiting block 113 can be contracted due to the spring 114.

[0057] At the same time, in order to limit, specifically, the limiting mechanism 200 comprises a ring-shaped limiting plate 201 and a limiting rod 202, the ring-shaped limiting plate 201 is welded at the bottom end of the ring-shaped butt plate 120 on the bottom bag 3, and a plurality of openings are arranged on the ring-shaped limiting plate 201.

[0058] The adjustable skeleton 210 comprises a plurality of sliding rods 211, one end of the sliding rod 211 is welded at the top end of the top bag 1, the other end of the sliding rod 211 is slidably connected to the ring-shaped limiting plate 201, the sliding rod 211 has a plurality of limiting openings 212, the sliding rod 211 is limited by the plurality of openings on the ring-shaped limiting plate 201, and the limiting rod 202 can pass through the opening of the sliding rod 211.

[0059] Finally, in order to install, specifically, the top bag 1 top end is provided with mounting mechanism 300, mounting mechanism 300 can be fixed to the top bag 1 in the use position, mounting mechanism 300 includes mounting ring 301, internal limiting ring 302 and gasket 303, mounting ring 301 is welded in the top end of top bag 1, mounting ring 301 is provided with a plurality of openings, internal limiting ring 302 is welded in the inside of top bag 1, internal limiting ring 302 can improve the strength of top bag 1 when installing, gasket 303 is placed in the top end of mounting ring 301, gasket 303 can protect top bag 1 when installing.

[0060] In combination Figures 1-6 , the expandable filter bag structure of the embodiment, the specific use process is as follows:

[0061] 1: assembly process: the mounting ring 301 of the top bag 1 is arranged in the filter equipment mounting port, is fixed by bolt, and the annular connecting plate 110 at the lower end of the top bag 1 is connected with the annular butt joint plate 120 at the top end of the bottom bag 3; according to the filtering requirement, the corresponding expansion bag 2 is selected, the plug-in groove of the annular butt joint plate 120 is aligned with the plug-in flange 111 of the upper bag body, is inserted, is pressed to the elastic clamping block 112 is clamped into the clamping groove 122, and horizontal sealing connection is completed; at the same time, the limiting plate 201 moves up and down on the sliding rod 211, the height of the adjustable framework 210 is adjusted, and the limiting rod 202 is inserted into the limiting port 212 of the corresponding sliding rod 211 and locked.

[0062] 2: expansion operation: when the filtering area needs to be increased, the elastic clamping block 112 of the target layer is loosened, the new expansion bag 2 body is stacked upwards, and the plug-in and clamping steps are repeated; when the filter bag height needs to be adjusted, the limiting rod 202 is pulled out, the limiting plate 201 is slid to the required position, and the limiting rod 202 is inserted into the limiting port 212 and locked.

[0063] Although the utility model has been described in the above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in this specification due to the consideration of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An expandable filter bag structure, characterized by, The utility model provides a kind of bag, including top bag (1), extension bag (2) and bottom bag (3), the extension bag (2) top end is arranged at the bottom end of the top bag (1), and the bottom bag (3) top end is arranged at the bottom end of the extension bag (2); Extension mechanism (100), the extension mechanism (100) is arranged at the connecting place of the top bag (1) and the extension bag (2), the extension bag (2) and the extension bag (2) and the extension bag (2) and the bottom bag (3); Limiting mechanism (200), the limiting mechanism (200) is arranged inside the bottom bag (3); Adjustable skeleton (210), one end of the adjustable skeleton (210) is arranged at the top end of the top bag (1), and the other end of the adjustable skeleton (210) is arranged on the limiting mechanism (200).

2. The expandable filter bag construction of claim 1, wherein, The extension mechanism (100) includes: annular connecting plate (110), the connecting plate is arranged at the bottom end of the top bag and the bottom end of the extension bag (2); Plug flange (111), the plug flange (111) is arranged at the lower end of the annular connecting plate (110); Elastic clamping block (112), the elastic clamping block (112) is arranged at the side of the annular connecting plate (110); Annular butt plate (120), the annular butt plate (120) is arranged at the top end of the extension bag (2) and the top end of the bottom bag (3); Plug concave edge (121), the plug concave edge (121) is arranged at the top end of the annular butt plate (120); Clamping groove (122), the clamping groove (122) is arranged on the inner side of the annular butt plate (120).

3. The expandable filter bag construction of claim 2, wherein, The elastic clamping block (112) includes limiting block (113) and spring (114), the limiting block (113) is arranged at the side of the annular connecting plate (110), one end of the spring (114) is arranged on the limiting block (113), and the other end of the spring (114) is arranged at the side of the annular connecting plate (110).

4. The expandable filter bag construction of claim 3, wherein, The limiting mechanism (200) includes annular limiting plate (201) and limiting rod (202), the annular limiting plate (201) is arranged at the bottom end of the annular butt plate (120) on the bottom bag (3), and a plurality of openings are formed in the annular limiting plate (201).

5. The expandable filter bag construction of claim 4, wherein, The adjustable skeleton (210) includes a plurality of sliding rods (211), one end of the sliding rod (211) is arranged at the top end of the top bag (1), the other end of the sliding rod (211) is arranged on the annular limiting plate (201), and a plurality of limiting openings (212) are formed in the sliding rod (211).

6. The expandable filter bag construction of claim 5, wherein, The top end of the top bag (1) is provided with mounting mechanism (300).

7. The expandable filter bag construction of claim 6, wherein, The mounting mechanism (300) includes mounting ring (301), internal limiting ring (302) and gasket (303), the mounting ring (301) is arranged at the top end of the top bag (1), a plurality of openings are formed in the mounting ring (301), the internal limiting ring (302) is arranged inside the top bag (1), and the gasket (303) is arranged at the top end of the mounting ring (301).

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