Anti-static filter bag

Abstract

The utility model relates to a filter bag and discloses an anti-static filter bag which comprises a bag body, fixing frames are fixedly connected to the front side and the rear side of the interior of the bag body, metal belts are fixedly connected to the interiors of the two fixing frames, and a first positioning ring and a second positioning ring are fixedly connected to the periphery of an opening in the left side of the bag body. Penetrating holes are formed in the tops and the bottoms of the first positioning ring and the second positioning ring correspondingly, connecting shafts are slidably connected into the penetrating holes correspondingly, clamping blocks are slidably connected to the left sides and the right sides of the interiors of the connecting shafts correspondingly, limiting plates are fixedly connected to the opposite sides of the two clamping blocks correspondingly, and springs are fixedly connected to the opposite sides of the two limiting plates correspondingly; the two springs are fixedly connected into sliding grooves formed in the left side and the right side of the interior of the connecting shaft. According to the utility model, one end of the metal belt lightly touches an object which can be grounded, electrostatic charges can be released to the ground, and the positioning ring I and the positioning ring II can be clamped with the edge of the air filter, so that the stability of the filter bag is improved.

Description

Technical Field

[0001] The utility model relates to a filter bag, in particular to an antistatic filter bag. Background Art

[0002] Large air filters used in factories have cavities inside for installing filter bags. Air enters through the opening of the filter bags to filter out dust in the air. The filter bag is a filter element that, under an external force, allows liquid in a suspension or gas in an airflow containing solid particles to pass through, while retaining the solid particles, thereby separating the solid particles from the liquid or gas. It is mainly used to purify and cleanse fluids (liquids or gases).

[0003] After searching, the Chinese patent announcement number is CN202654825U, which discloses a filter bag, including a filter bag body, an elastic ring is provided in the bag opening of the filter bag body, and a silicone resin layer is provided outside the filter bag body; the filter bag body is a spun woven fabric; two elastic rings are provided in the bag opening of the filter bag body; the filter bag of the utility model has a silicone resin layer outside the filter bag body, which improves the wear resistance of the surface and is not easily damaged by the impact of dust and particles, thereby improving the service life of the filter bag; at the same time, the moisture absorption capacity of the filter bag is reduced, and the filtering effect of the filter bag is increased, but the device lacks a device for eliminating static electricity. As static electricity accumulates, it may cause fire, explosion, etc., and the filter bag has low stability and may shake during filtering. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an anti-static filter bag which can eliminate static electricity and improve the stability of the filter bag.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An anti-static filter bag comprises a bag body, wherein the front and rear sides of the bag body are fixedly connected with a fixing frame, and the two fixing frames are fixedly connected with metal belts;

[0007] Through the above technical solution, the metal belt can be grounded to release the static electricity charge to the ground.

[0008] Furthermore, a first positioning ring and a second positioning ring are fixedly connected to the outer periphery of the bag opening;

[0009] Through the above technical solution, the first positioning ring and the second positioning ring can be clamped to the edge of the air filter.

[0010] Furthermore, the top and bottom of the first positioning ring and the second positioning ring are both provided with perforations;

[0011] Through the above technical solution, the through hole is used to install the connecting shaft.

[0012] Furthermore, the inside of each of the through holes is slidably connected with a connecting shaft;

[0013] Through the above technical solution, the connecting shaft connects the positioning ring 1 and the positioning ring 2 to each other.

[0014] Furthermore, there are blocks slidably connected to the left and right sides of the connecting shaft, and the two blocks are fixedly connected to limit plates on the sides facing each other, and the two limit plates are fixedly connected to springs on the sides facing each other, and the two springs are fixedly connected to the slide grooves opened on the left and right sides of the connecting shaft;

[0015] Through the above technical solution, the spring drives the clamping block to move.

[0016] Further, the material of the metal strip is copper;

[0017] Through the above technical solution, copper is easy to conduct electricity.

[0018] Furthermore, the bag body is made of ultra-fine synthetic fiber;

[0019] The antistatic ability is improved by the above technical solution.

[0020] Furthermore, one end of each of the two connecting shafts is fixedly connected with a fixing plate;

[0021] Through the above technical solution, the fixing plate can prevent the connecting shaft from slipping out of the inside of the through hole.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by gently touching one end of the metal belt to a groundable object, static electricity can be released to the ground. The bag body made of ultrafine synthetic fibers and the antistatic coating can prevent the accumulation of static electricity and quickly release the static electricity.

[0024] 2. In the utility model, the first positioning ring and the second positioning ring can be clamped to the edge of the air filter, and the connecting shaft connects the first positioning ring and the second positioning ring to each other, thereby reducing the shaking of the filter bag during filtering and improving the stability of the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of an anti-static filter bag proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a fixing frame for an anti-static filter bag proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of an anti-static filter bag body proposed by the utility model;

[0028] Figure 4 The utility model provides a schematic structural diagram of a connecting shaft of an antistatic filter bag.

[0029] Legend:

[0030] 1. Positioning ring 1; 2. Connecting shaft; 3. Clamp block; 4. Metal belt; 5. Positioning ring 2; 6. Bag body; 7. Fixed frame; 8. Limit plate; 9. Slide groove; 10. Spring; 11. Fixed block. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-3 The utility model provides an embodiment: an antistatic filter bag, including a bag body 6, a fixing frame 7 is fixedly connected to the front and rear sides of the bag body 6, a metal belt 4 is fixedly connected to the inside of the two fixing frames 7, the material of the metal belt 4 is copper, the material of the bag body 6 is ultrafine synthetic fiber, the inside of the bag body 6 is coated with an antistatic coating, and the material of the antistatic coating is polyaniline.

[0033] Specifically, the bag body 6 is used to filter dust in the air, the fixing frame 7 is used to fix the metal belt 4, the metal belt 4 plays a role in releasing electric charge, copper is easy to conduct electricity, and the ultrafine synthetic fiber can improve the antistatic ability of the bag body 6.

[0034] Reference Figure 2-4 A positioning ring 1 and a positioning ring 2 5 are fixedly connected to the outer periphery of the left opening of the bag body 6. The tops and bottoms of the positioning ring 1 and the positioning ring 2 5 are provided with through holes, and the connecting shaft 2 is slidably connected inside the through holes. Blocks 3 are slidably connected to the left and right sides of the connecting shaft 2. The two blocks 3 are fixedly connected to limit plates 8 on the opposite sides. The two limit plates 8 are fixedly connected to springs 10 on the opposite sides. The two springs 10 are fixedly connected to the slide grooves 9 provided on the left and right sides of the connecting shaft 2. One end of the two connecting shafts is fixedly connected to a fixing plate 11.

[0035] Specifically, the positioning ring 1 and the positioning ring 2 5 can make the filter bag clamped on the edge of the air filter, the perforation is used to install the connecting shaft 2, the connecting shaft 2 connects the positioning ring 1 and the positioning ring 2 5 to each other, the slide groove 9 serves to accommodate the block 3, the limit plate 8 serves to prevent the peak block 3 from falling off from the inside of the slide groove 9, the spring 10 is used to drive the block 3 to move, and the fixing plate 11 can prevent the connecting shaft 2 from slipping from the inside of the perforation.

[0036] Working principle: After the positioning ring 1 and the positioning ring 2 5 are clamped on the edge of the air filter, the connecting shaft 2 is installed in the perforation. The clamping blocks 3 inside the left and right sides of the connecting shaft 2 are pushed out by the spring 10, so that the positioning ring 1 and the positioning ring 2 5 are connected to each other, reducing the shaking of the filter bag during filtration and improving the stability of the filter bag. The metal belt 4 made of copper contacts the ground and releases the static charge to the ground, which plays a role in releasing the charge. The ultrafine synthetic fiber can improve the anti-static ability of the bag body 6.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An antistatic filter bag, comprising a bag body (6), characterized in that: The bag body (6) is fixedly connected to fixing frames (7) on both the front and rear sides thereof, and metal belts (4) are fixedly connected to the inside of the two fixing frames (7).

2. The antistatic filter bag according to claim 1, characterized in that: A first positioning ring (1) and a second positioning ring (5) are fixedly connected to the outer periphery of the opening of the bag body (6).

3. The antistatic filter bag according to claim 2, characterized in that: The top and bottom of the positioning ring 1 (1) and the positioning ring 2 (5) are both provided with through holes.

4. The antistatic filter bag according to claim 3, characterized in that: The inside of each of the through holes is slidably connected with a connecting shaft (2).

5. The antistatic filter bag according to claim 4, characterized in that: Blocks (3) are slidably connected to the left and right sides of the connecting shaft (2); the two blocks (3) are fixedly connected to limit plates (8) on the opposite sides; the two limit plates (8) are fixedly connected to springs (10) on the opposite sides; and the two springs (10) are fixedly connected to sliding grooves (9) provided on the left and right sides of the connecting shaft (2).

6. The antistatic filter bag according to claim 1, characterized in that: The material of the metal strip (4) is copper.

7. The antistatic filter bag according to claim 1, characterized in that: The material of the bag body (6) is ultra-fine synthetic fiber.

8. The antistatic filter bag according to claim 4, characterized in that: One end of each of the two connecting shafts (2) is fixedly connected to a fixing plate (11).

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