Concave-convex strip for filter bag
By incorporating annular grooves and locking mechanisms inside the filter bag, and utilizing baffles, hinges, and springs, the problem of spring steel sheets and convex and concave strips becoming loose is solved, thereby improving the stability and working efficiency of the filter bag.
Patent Information
- Application Number
- CN202520424370.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-12
AI Technical Summary
In existing filter bag embossing systems, the spring steel sheets and embossing strips are prone to loosening, leading to reduced work efficiency.
An annular groove is set inside the filter bag, and the outer wall of the steel sheet is connected with a concave-convex strip. The concave-convex strip is fixed by the cooperation of baffles, hinges and cover plates. At the same time, the design of an annular plate, support column and spring is used to ensure that the concave-convex strip is stable in the annular groove.
It effectively prevents the convex and concave strips from loosening during vibration, improves the working stability and efficiency of the filter bag, and enables convenient disassembly and installation.
Smart Images

Figure CN223831905U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter bag technology, and in particular to embossed strips for filter bags. Background Technology
[0002] The embossed strips for filter bags are components used in the manufacture of filter bags. In terms of shape, they present an uneven shape. The embossed design can increase the structural strength of the filter bag surface. The embossed strips enable the filter bag to maintain its shape stability when subjected to pressure, during the filtration process with a large amount of material accumulation and high-speed impact of the filter medium, preventing the filter bag from deforming and collapsing, thereby ensuring that the filtration process can proceed normally.
[0003] The raised and recessed strips can change the flow path of the fluid during filtration. When the fluid enters the filter bag, the raised and recessed surface will cause the fluid to turbulent, making it easier for impurities in the fluid to collide with the filter media of the filter bag. The water flow will become chaotic, and impurities in the water will be more easily intercepted. This flow pattern helps to capture smaller particles and improve the accuracy and efficiency of filtration.
[0004] In existing filter bags with embossed strips, the embossed strips and spring steel sheets are engaged inside the annular groove of the filter bag, but the embossed strips and spring steel sheets are not connected. Therefore, when the fluid passes through the embossed strips for a long time, the spring steel sheets and embossed strips may easily loosen, resulting in reduced working efficiency. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a convex-concave strip for filter bags, which aims to improve the problem of reduced working efficiency caused by the easy loosening between the spring steel sheet and the convex-concave strip in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a convex-concave strip for a filter bag, comprising a filter bag, an annular groove being provided on the right side inside the filter bag, a steel sheet being provided inside the annular groove, a convex-concave strip being fixedly connected to the outer wall of the steel sheet, a plurality of equidistant baffles being fixedly connected around the outer wall of the steel sheet, a hinge being fixedly connected to the top of the upper baffle, a cover plate being fixedly connected to the right side of the hinge, and an equidistant locking mechanism being provided around the outer wall of the convex-concave strip.
[0007] The above technical solution restricts the displacement of the convex and concave strips by using a baffle on the steel sheet on the right side inside the filter bag, preventing them from falling off. The upper baffle is connected to the cover plate by a hinge. When placing the convex and concave strips, the cover plate is opened, and the space between the baffles on the left and right ends of the steel sheet is used for placement. After the convex and concave strips are placed, the hinge is rotated to close the cover plate, thus fixing the convex and concave strips and the steel sheet. This effectively prevents the steel sheet and convex and concave strips from loosening due to vibration during filter bag operation, thereby ensuring the stability of the entire structure in the working environment and improving work efficiency.
[0008] As a further description of the above technical solution:
[0009] The engaging mechanism includes an annular plate. The outer left side of the annular plate is fixedly connected to the inner right side of the filter bag. The outer walls of the convex and concave strips are provided with equidistant circular holes. The outer walls of the convex and concave strips are fixedly connected with equidistant springs. Multiple circular holes correspond to springs. Support columns are slidably connected inside the multiple circular holes. Stops are fixedly connected to the tops of the multiple support columns. The bottoms of the multiple stops are fixedly connected to springs.
[0010] The above technical solution prevents the convex and concave strips from falling off. When the convex and concave strips are placed into the annular groove, the stop block encounters the annular plate, and the spring contracts under its pressure. The support column slides in the round hole, and the convex and concave strips enter the annular groove. After placement, the spring recovers and bounces back through elastic potential energy. The stop block locks the annular plate, fixing the steel sheet and the convex and concave strips in the annular groove, thus achieving convenient disassembly and installation.
[0011] As a further description of the above technical solution:
[0012] A circular plate is fixedly connected to the middle of the outer wall of the filter bag, and a reflective strip is fixedly connected to the outer wall of the circular plate.
[0013] The above technical solution involves fixing a reflective strip on the circular plate in the middle of the outer wall of the filter bag, which can serve as a reminder that something is there.
[0014] As a further description of the above technical solution:
[0015] A fixing plate is fixedly connected to the front side of the outer wall of the filter bag, and a hazard sign is fixedly connected to the front side of the fixing plate.
[0016] The above technical solution involves fixing a hazard sign on the front plate of the filter bag to remind personnel to pay attention to safety.
[0017] As a further description of the above technical solution:
[0018] The outer wall of the annular groove is fixedly connected with equidistant anti-slip strips, and the anti-slip strips are all of a smooth design.
[0019] The above technical solution involves fixing multiple anti-slip strips to the outer wall of the annular groove. Their smooth design ensures increased friction during rotation to prevent hand slippage.
[0020] As a further description of the above technical solution:
[0021] A lamp holder is fixedly connected to the top of the outer wall of the filter bag, and an alarm light is fixedly connected to the top of the lamp holder.
[0022] The above technical solution involves fixing a lamp holder to the top of the outer wall of the filter bag. The alarm light on the top of the lamp holder will sound an alarm when there is no wind inside the filter bag, thus preventing problems when there is no wind.
[0023] As a further description of the above technical solution:
[0024] A fixing post is fixedly connected to the bottom of the lamp holder, and a sensor is fixedly connected to the bottom of the fixing post.
[0025] The above technical solution involves a sensor connected to a fixed post at the bottom of the lamp holder, which can sense the wind force inside the filter bag and trigger an alarm in a timely manner.
[0026] As a further description of the above technical solution:
[0027] Each filter bag has multiple support rods fixedly connected inside, and each pair of support rods is fixedly connected to a connecting rod.
[0028] The above technical solution involves fixing multiple support rods inside the filter bag, with adjacent support rods connected by connecting rods, providing support to the filter bag and preventing it from shaking during filtration.
[0029] This utility model has the following beneficial effects:
[0030] 1. In this utility model, the baffle can limit the displacement of the convex and concave strips and prevent them from falling off. The upper baffle is connected to the cover plate by a hinge. When placing the convex and concave strips, the cover plate is opened and the space between the left and right end baffles of the steel sheet is used for placement. After the convex and concave strips are placed, the hinge is rotated to close the cover plate, so that the convex and concave strips and the steel sheet are fixed. This effectively avoids the steel sheet and convex and concave strips from loosening due to vibration during the operation of the filter bag, thereby ensuring the stability of the entire structure in the working environment and improving work efficiency.
[0031] 2. In this utility model, the annular plate prevents the convex and concave strips from falling off. When the convex and concave strips are placed into the annular groove, the stop block encounters the annular plate, and the spring contracts under its pressure. The support column slides in the round hole, and the convex and concave strips enter the annular groove. After placement is completed, the spring returns to its original position, and the stop block locks the annular plate, fixing the steel sheet and the convex and concave strips in the annular groove, thereby achieving convenient disassembly and installation. Attached Figure Description
[0032] Figure 1 This is a perspective view of the convex and concave strips for the filter bag proposed in this utility model;
[0033] Figure 2 This is a right view of the convex and concave strips for the filter bag proposed in this utility model;
[0034] Figure 3 This is a left view of the convex and concave strips for the filter bag proposed in this utility model;
[0035] Figure 4 This is a schematic diagram of the hinge structure for the convex and concave strips of the filter bag proposed in this utility model;
[0036] Figure 5 This is a schematic diagram of the spring structure for the convex and concave strips of the filter bag proposed in this utility model.
[0037] Legend:
[0038] 1. Filter bag; 2. Clamping mechanism; 201. Annular plate; 202. Circular hole; 203. Spring; 204. Support column; 205. Stop block; 3. Annular groove; 4. Steel sheet; 5. Concave and convex strips; 6. Baffle; 7. Hinge; 8. Cover plate; 9. Circular plate; 10. Reflective strip; 11. Fixing plate; 12. Hazard sign; 13. Anti-slip strip; 14. Lamp holder; 15. Alarm light; 16. Fixing column; 17. Sensor; 18. Support rod; 19. Connecting rod. Detailed Implementation
[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0040] Reference Figure 1 and Figure 4 An embodiment of this utility model provides: a convex and concave strip for a filter bag, including a filter bag 1. An annular groove 3 is provided on the right side inside the filter bag 1. A steel sheet 4 is provided inside the annular groove 3. The annular groove 3 is used to place the steel sheet 4. A convex and concave strip 5 is fixedly connected to the outer wall of the steel sheet 4. Multiple equidistant baffles 6 are fixedly connected around the outer wall of the steel sheet 4. A hinge 7 is fixedly connected to the top of the upper baffle 6. A cover plate 8 is fixedly connected to the right side of the hinge 7. By opening the cover plate 8, the convex and concave strip 5 is placed inside. By rotating the hinge 7, the cover plate 8 can be closed. A space can be formed between the baffles 6 at the left and right ends of the outer wall of the steel sheet 4 so that the convex and concave strip 5 can be placed inside. Equidistant locking mechanisms 2 are provided around the outer wall of the convex and concave strip 5.
[0041] Specifically, the annular groove 3 on the right side inside the filter bag 1 provides a place for the steel sheet 4. Multiple baffles 6 are evenly distributed around the convex and concave strips 5 on the outer wall of the steel sheet 4 to prevent the convex and concave strips 5 from falling off. The hinge 7 at the top of the upper baffle 6 is connected to the cover plate 8. When it is necessary to place the convex and concave strips 5, the cover plate 8 is opened and the convex and concave strips 5 are placed into the space formed by the left and right end baffles 6 on the outer wall of the steel sheet 4. Then, the cover plate 8 is closed by rotating the hinge 7, so that the convex and concave strips 5 and the steel sheet 4 can be firmly fixed, thereby preventing the steel sheet 4 and the convex and concave strips 5 from easily loosening.
[0042] Reference Figure 5 The locking mechanism 2 includes an annular plate 201. The outer left side of the annular plate 201 is fixedly connected to the inner right side of the filter bag 1 to prevent the concave-convex strip 5 from falling out. The outer walls of the concave-convex strip 5 are provided with equidistant circular holes 202. The outer walls of the concave-convex strip 5 are fixedly connected with equidistant springs 203. The multiple circular holes 202 and springs 203 correspond to each other. The interior of the multiple circular holes 202 is slidably connected with support columns 204. The top of the multiple support columns 204 is fixedly connected with a stop block 205. The bottom of the multiple stop blocks 205 is fixedly connected with the springs 203. When the concave-convex strip 5 is placed into the annular groove 3, the springs 203 under the stop blocks 205 can be squeezed down, so that the support columns 204 enter the circular holes 202. After it is placed, the springs 203 can spring up, so that the stop blocks 205 can lock the annular plate 201, so that the steel sheet 4 and the concave-convex strip 5 will not fall out.
[0043] Specifically, the annular plate 201 has a blocking function, with its outer left side firmly fixed to the inner right side of the filter bag 1, effectively preventing the convex strip 5 from falling off. The outer wall of the convex strip 5 has equidistant circular holes 202 around its perimeter, and equidistant springs 203 are fixedly connected to it. The support column 204 is slidably connected inside the circular holes 202. The stop block 205 at the top of the support column 204 is connected to the spring 203. When the convex strip 5 is placed inside the annular groove 3, the stop block 205 is squeezed by the annular plate 201, the spring 203 contracts, and the support column 204 enters the circular hole 202. After placement, the spring 203 springs up, and the stop block 205 locks the annular plate 201, thereby firmly fixing the steel sheet 4 and the convex strip 5, ensuring the stability of the structure and preventing them from falling off and affecting the normal use of the filter bag.
[0044] Reference Figure 1 and Figure 2 A circular plate 9 is fixedly connected to the middle of the outer wall of the filter bag 1. A reflective strip 10 is fixedly connected to the outer wall of the circular plate 9 for warning purposes. A fixing plate 11 is fixedly connected to the front side of the outer wall of the filter bag 1. A hazard sign 12 is fixedly connected to the front side of the fixing plate 11 for warning purposes. An equally spaced anti-slip strips 13 are fixedly connected around the outer wall of the annular groove 3. The multiple anti-slip strips 13 are designed to be smooth to prevent the hand from slipping when rotating.
[0045] Specifically, a reflective strip 10 is fixed on the circular plate 9 in the middle of the outer wall of the filter bag 1, which can serve as a reminder. A hazard sign 12 is fixed on the fixing plate 11 on the front side of the filter bag 1 to remind personnel to pay attention to safety. The anti-slip strips 13 fixed at equal intervals around the outer wall of the annular groove 3 have a smooth shape, which ensures that the friction is increased during rotation to prevent the hand from slipping, and also avoids the hand from being scratched by sharp edges.
[0046] Reference Figure 2 and Figure 3A lamp holder 14 is fixedly connected to the top of the outer wall of the filter bag 1. An alarm light 15 is fixedly connected to the top of the lamp holder 14. An alarm is triggered when there is no air inside the filter bag 1. A fixing column 16 is fixedly connected to the bottom of the lamp holder 14. A sensor 17 is fixedly connected to the bottom of the fixing column 16 to sense the airflow inside the filter bag 1. Multiple support rods 18 are fixedly connected inside the filter bag 1. Connecting rods 19 are fixedly connected between adjacent support rods 18 to support the filter bag 1.
[0047] Specifically, a lamp holder 14 is provided on the top of the outer wall of the filter bag 1. The alarm light 15 on the top of the lamp holder 14 will sound an alarm when there is no wind inside the filter bag 1. The fixing post 16 at the bottom of the lamp holder 14 is connected to a sensor 17, which can sense the wind force inside the filter bag 1 so as to trigger the alarm in time. Multiple support rods 18 are fixed inside the filter bag 1. Adjacent support rods 18 are connected by connecting rods 19 to provide stable support for the filter bag 1.
[0048] Working principle: The annular groove 3 provides a placement position for the steel sheet 4. The convex and concave strips 5 on the outer wall of the steel sheet 4, with multiple baffles 6 evenly distributed around them, form a protective barrier. The baffles 6 can prevent the convex and concave strips 5 from unnecessary displacement in all directions, thus preventing them from falling off. The hinge 7 at the top of the upper baffle 6 is connected to the cover plate 8. When it is necessary to place the convex and concave strips 5, the cover plate 8 is opened. The space formed between the baffles 6 at the left and right ends of the outer wall of the steel sheet 4 can place the convex and concave strips 5. After the convex and concave strips 5 are accurately placed in the space, the cover plate 8 is closed by rotating the hinge 7. After the cover plate 8 is closed, the convex and concave strips 5 and the steel sheet 4 are fixed, effectively preventing the steel sheet 4 and the convex and concave strips 5 from loosening due to vibration during the operation of the filter bag 1, thus ensuring stability in the working environment.
[0049] Furthermore, the annular plate 201 prevents the convex strip 5 from falling off. Its outer left side is tightly fixed to the inner right side of the filter bag 1. When the convex strip 5 is placed into the annular groove 3, the stop block 205 contacts the annular plate 201. The pressure applied by the annular plate 201 causes the spring 203 to contract, which drives the support column 204 to slide in the round hole 202, allowing the convex strip 5 to enter smoothly. After placement, the spring 203 bounces up using its own elastic restoring force, pushing the stop block 205 to move upward. The stop block 205 tightly locks the annular plate 201, and the steel sheet 4 and the convex strip 5 are firmly fixed in the annular groove 3, thereby realizing convenient and quick disassembly and installation and improving work efficiency.
[0050] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A filter bag with raised and recessed strips, comprising a filter bag (1), characterized in that: The filter bag (1) has an annular groove (3) on the right side inside. A steel sheet (4) is installed inside the annular groove (3). A convex strip (5) is fixedly connected to the outer wall of the steel sheet (4). Multiple equidistant baffles (6) are fixedly connected around the outer wall of the steel sheet (4). A hinge (7) is fixedly connected to the top of the upper baffle (6). A cover plate (8) is fixedly connected to the right side of the hinge (7). Equidistant locking mechanisms (2) are provided around the outer wall of the convex strip (5).
2. The embossed strip for the filter bag according to claim 1, characterized in that: The locking mechanism (2) includes an annular plate (201). The outer left side of the annular plate (201) is fixedly connected to the inner right side of the filter bag (1). The outer walls of the convex and concave strips (5) are provided with equidistant circular holes (202). The outer walls of the convex and concave strips (5) are fixedly connected with equidistant springs (203). The multiple circular holes (202) and springs (203) correspond to each other. The interior of the multiple circular holes (202) is slidably connected with support columns (204). The top of the multiple support columns (204) is fixedly connected with a stop block (205). The bottom of the multiple stop blocks (205) is fixedly connected to the springs (203).
3. The embossed strip for the filter bag according to claim 1, characterized in that: A circular plate (9) is fixedly connected to the middle of the outer wall of the filter bag (1), and a reflective strip (10) is fixedly connected to the outer wall of the circular plate (9).
4. The embossed strip for the filter bag according to claim 1, characterized in that: A fixing plate (11) is fixedly connected to the front side of the outer wall of the filter bag (1), and a hazard sign (12) is fixedly connected to the front side of the fixing plate (11).
5. The embossed strip for the filter bag according to claim 1, characterized in that: The outer wall of the annular groove (3) is fixedly connected with equidistant anti-slip strips (13), and the multiple anti-slip strips (13) are of a smooth design.
6. The embossed strip for filter bags according to claim 1, characterized in that: A lamp holder (14) is fixedly connected to the top of the outer wall of the filter bag (1), and an alarm light (15) is fixedly connected to the top of the lamp holder (14).
7. The embossed strip for a filter bag according to claim 6, characterized in that: A fixing post (16) is fixedly connected to the bottom of the lamp holder (14), and a sensor (17) is fixedly connected to the bottom of the fixing post (16).
8. The embossed strip for the filter bag according to claim 1, characterized in that: Each filter bag (1) has multiple support rods (18) fixedly connected inside, and each of the multiple support rods (18) is fixedly connected with a connecting rod (19) between adjacent support rods (18).