Powder filter element convenient to replace

Abstract

The utility model relates to the technical field of filter elements, in particular to a powder filter element convenient to replace, which comprises an inner ring shell and a filter element powder filling layer, a ring cover is fixedly mounted at the upper end of the filter element powder filling layer, a connecting ring is fixedly mounted at the upper end of the ring cover, and sliding cavities which are annularly and uniformly distributed are formed inside the lower end of the inner ring shell. A limiting ball is movably installed in the sliding cavity, a limiting outer ring is slidably installed outside the inner ring shell, a limiting inner ring is fixedly installed inside the limiting outer ring, an elastic reset piece is fixedly installed at the upper end of the limiting inner ring, a limiting ring groove is formed in the outer portion of the connecting ring, and the limiting ball is matched with the limiting ring groove. A U-shaped frame is fixedly installed at the lower end of the limiting outer ring, and a bracket is fixedly arranged at the lower end of the interior of the U-shaped frame. According to the utility model, through the combination of the limiting ball and the limiting ring groove and the shielding of the limiting ball by the limiting inner ring, the filter element is convenient and rapid to disassemble and assemble, so that the filter element is convenient to replace.

Description

Technical Field

[0001] This utility model relates to the field of filter element technology, and specifically to a powder filter element that is easy to replace. Background Technology

[0002] In modern industrial production, especially in fields such as spraying and machinery manufacturing, powder filter elements play a crucial role as key components of dust removal equipment.

[0003] Traditional powder filter cartridges suffer from problems such as inconvenient replacement, easy clogging, and reduced dust removal efficiency, which seriously affect production efficiency and air quality.

[0004] To address these issues, there is an urgent need in the market for a new type of quick-release powder filter cartridge that can not only be replaced quickly but also ensure efficient dust removal.

[0005] Currently, although there are some quick-release filter cartridges on the market, they only use a snap-fit ​​connection structure. Disassembly requires reversing the installation steps (such as unscrewing in the opposite direction). If the seal is too tight or the parts are deformed, it will lead to difficulty in disassembly, or even damage to the filter cartridge or equipment. Therefore, powder filter cartridges that are easy to replace have been proposed. Utility Model Content

[0006] The purpose of this utility model is to solve the above defects and provide a powder filter element that is easy to replace. When the filter element is installed, the limiting ball engages with the limiting ring groove, which makes the filter element easy to install and remove quickly. This solves the technical problem that the existing technology is difficult to disassemble when the snap-fit ​​structure is too tight or the parts are deformed.

[0007] The objective of this utility model is achieved through the following means:

[0008] A replaceable powder filter element includes an inner ring shell and a filter element powder filling layer disposed inside the inner ring shell. A ring cover is fixedly installed at the upper end of the filter element powder filling layer, and a connecting ring is fixedly installed at the upper end of the ring cover. A sliding cavity with uniformly distributed circumferential patterns is formed inside the lower end of the inner ring shell. A limiting ball is movably installed inside the sliding cavity. A limiting outer ring is slidably installed outside the inner ring shell. A limiting inner ring is fixedly installed inside the limiting outer ring, and an elastic reset member is fixedly installed at the upper end of the limiting inner ring. A limiting ring groove is formed on the outer side of the connecting ring, and the limiting ring groove is integrally formed with the connecting ring. The limiting ball is adapted to the limiting ring groove. A U-shaped frame is fixedly installed at the lower end of the limiting outer ring, and a bracket is fixedly provided inside the lower end of the U-shaped frame.

[0009] Furthermore, the sliding cavity has four openings, and the sliding cavity is integrally formed with the inner ring shell.

[0010] Furthermore, a conical ring is fixedly provided at the upper end of the connecting ring, and a second sealing ring is fixedly installed at the upper end of the conical ring. The conical ring causes the limiting ball to be pushed outward when the connecting ring contacts the limiting ball.

[0011] Furthermore, a second inner ring platform is provided inside the inner ring shell at the upper end of the second sealing ring, and the second inner ring platform is fixedly connected to the inner ring shell. The second sealing ring is used to improve the sealing performance between the conical ring and the inner ring shell.

[0012] Furthermore, a top ring shell is installed at the upper end of the inner ring shell, and the top ring shell and the inner ring shell are connected by a threaded connection.

[0013] Furthermore, a first inner ring platform is fixedly provided at the upper end of the inner ring shell, and a first sealing ring is provided at the upper end of the first inner ring platform. The first sealing ring improves the sealing performance between the inner ring shell and the top ring shell.

[0014] The beneficial effects of this utility model are:

[0015] This utility model features a limiting ring groove on the outside of the connecting ring and a sliding cavity at the lower end of the inner ring shell. A limiting ball is located inside the sliding cavity. When the limiting ring groove coincides with the sliding cavity, the limiting ball rolls into the limiting ring groove. An elastic reset member pushes the limiting outer ring, causing the limiting inner ring to block the sliding cavity and fix the limiting ball, thereby fixing the connecting ring. This facilitates the installation of the filter element. When removing the filter element, raising the limiting outer ring removes the obstruction of the limiting ball, making the removal of the filter element quick and easy. The above structure and method make the installation and removal of the filter element convenient and quick, solving the problems mentioned in the background art. Attached Figure Description

[0016] Figure 1 This is a perspective view of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the inner ring shell and top ring shell structure of this utility model;

[0018] Figure 3 This is a cross-sectional view of the inner ring shell and the limiting outer ring of this utility model.

[0019] In the figure, 1. Inner ring shell; 2. Top ring shell; 3. First inner ring platform; 4. First sealing ring; 5. Second inner ring platform; 6. Ring cover; 7. Connecting ring; 8. Limiting ring groove; 9. Conical ring; 10. Second sealing ring; 11. Limiting outer ring; 12. Elastic reset element; 13. Limiting inner ring; 14. Sliding cavity; 15. Limiting ball; 16. U-shaped frame; 17. Bracket; 18. Filter element powder filling layer. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] In this embodiment, refer to Figure 1 - Figure 3 The specific implementation of the easily replaceable powder filter element includes an inner ring shell 1 and a filter element powder filling layer 18 disposed inside the inner ring shell 1. A ring cover 6 is fixedly installed at the upper end of the filter element powder filling layer 18, and a connecting ring 7 is fixedly installed at the upper end of the ring cover 6. A sliding cavity 14 with uniformly distributed rings is opened inside the lower end of the inner ring shell 1. A limiting ball 15 is movably installed inside the sliding cavity 14. A limiting outer ring 11 is slidably installed outside the inner ring shell 1. A limiting inner ring 13 is fixedly installed inside the limiting outer ring 11. An elastic reset member 12 is fixedly installed at the upper end of the limiting inner ring 13. A limiting ring groove 8 is opened outside the connecting ring 7, and the limiting ring groove 8 is integrally formed with the connecting ring 7. The limiting ball 15 is adapted to the limiting ring groove 8. A U-shaped frame 16 is fixedly installed at the lower end of the limiting outer ring 11. A bracket 17 is fixedly installed at the lower end of the U-shaped frame 16. The sliding cavity 14 is inclined downward near the inner wall of the inner ring shell 1.

[0022] like Figure 2 and Figure 3 As shown, four sliding cavities 14 are provided, and the sliding cavities 14 are integrally formed with the inner ring shell 1.

[0023] like Figure 2 and Figure 3 As shown, a conical ring 9 is fixedly provided at the upper end of the connecting ring 7, and a second sealing ring 10 is fixedly installed at the upper end of the conical ring 9. The conical ring 9 causes the connecting ring 7 to push the limiting ball 15 outward when it comes into contact with the limiting ball 15.

[0024] like Figure 2 As shown, a second inner ring platform 5 is provided inside the inner ring shell 1 at the upper end of the second sealing ring 10, and the second inner ring platform 5 is fixedly connected to the inner ring shell 1. The second sealing ring 10 is used to improve the sealing performance between the cone ring 9 and the inner ring shell 1.

[0025] like Figure 1 and Figure 2 As shown, a top ring shell 2 is installed at the upper end of the inner ring shell 1, and the top ring shell 2 is connected to the inner ring shell 1 by a threaded connection.

[0026] like Figure 2 and Figure 3 As shown, a first inner ring platform 3 is fixedly provided at the upper end of the inner ring shell 1, and a first sealing ring 4 is provided at the upper end of the first inner ring platform 3. The first sealing ring 4 improves the sealing performance between the inner ring shell 1 and the top ring shell 2.

[0027] The easy-to-replace powder filter element of this embodiment is used as follows: The inner ring shell 1 is placed against the lower end of the filter element mounting hole. The top ring shell 2 is inserted downwards from the upper end of the filter element mounting hole into the inner ring shell 1 and rotated to achieve mutual fixation through threaded engagement. When installing the filter element, the U-shaped frame 16 is lifted upwards, causing the limiting outer ring 11 to rise, and the limiting inner ring 13 to rise accordingly, removing the obstruction of the sliding cavity 14. Then, the filter element is lifted so that the connecting ring 7 is inserted into the interior of the inner ring shell 1. The conical ring 9 pushes the limiting ball 15 to move towards the outside of the sliding cavity 14. When the limiting ring... When the groove 8 coincides with the sliding cavity 14, the limiting ball 15 slides inside the sliding cavity 14 to the inside of the limiting ring groove 8. At this time, the U-shaped frame 16 is released. Under the action of gravity and the reset of the elastic reset member 12, the limiting inner ring 13 resets and blocks the sliding cavity 14, thereby holding the limiting ball 15 against it, so that the filter element is installed. When the filter element is removed, the U-shaped frame 16 is lifted so that the limiting ball 15 is no longer blocked. The filter element is pulled down, and the limiting ring groove 8 squeezes the limiting ball 15 out of the sliding cavity 14, thus separating it from the inner ring shell 1 and falling onto the upper end of the bracket 17.

[0028] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the scope of protection of the present invention.

Claims

1. A replaceable powder filter element, comprising an inner ring shell and a filter element powder filling layer disposed inside the inner ring shell, wherein a ring cover is fixedly installed at the upper end of the filter element powder filling layer, and a connecting ring is fixedly installed at the upper end of the ring cover, characterized in that: The lower end of the inner ring shell has a sliding cavity evenly distributed along the ring. A limiting ball is movably installed inside the sliding cavity. A limiting outer ring is slidably installed outside the inner ring shell. A limiting inner ring is fixedly installed inside the limiting outer ring. An elastic reset member is fixedly installed at the upper end of the limiting inner ring. A limiting ring groove is opened outside the connecting ring, and the limiting ring groove is integrally formed with the connecting ring. The limiting ball is adapted to the limiting ring groove. A U-shaped frame is fixedly installed at the lower end of the limiting outer ring. A bracket is fixedly installed at the lower end of the U-shaped frame.

2. The powder cartridge of claim 1, wherein: The sliding cavity has four openings, and the sliding cavity is integrally formed with the inner ring shell.

3. The easily replaceable powder cartridge of claim 1, wherein: A conical ring is fixedly provided at the upper end of the connecting ring, and a second sealing ring is fixedly installed at the upper end of the conical ring.

4. The easily replaceable powder cartridge of claim 3, wherein: The inner ring shell has a second inner ring platform located at the upper end of the second sealing ring, and the second inner ring platform is fixedly connected to the inner ring shell.

5. The easily replaceable powder cartridge of claim 1, wherein: The upper end of the inner ring shell is equipped with a top ring shell, and the top ring shell and the inner ring shell are connected by a threaded connection.

6. The powder cartridge of claim 5, wherein: A first inner ring platform is fixedly provided at the upper end of the inner ring shell, and a first sealing ring is provided at the upper end of the first inner ring platform.

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