Air filter with filter element convenient to replace

Abstract

The utility model provides an air filter with a filter element convenient to replace, which belongs to the technical field of air filters and comprises a filter body, an air inlet pipe is mounted at the inner top of the filter body, a filter element body is arranged at the inner bottom of the air inlet pipe, a clamping block is arranged at the bottom of the filter element body, and a bottom plate is arranged on the lower side of the clamping block. The bottom plate is fixedly connected with the inner bottom wall of the filter body, a two-way screw is rotationally connected into the bottom plate, a rotary knob is fixedly connected to the outer end of the two-way screw, two moving blocks are symmetrically connected to the two-way screw in a threaded mode, and guide rods are slidably connected to the two ends of the two moving blocks. Through the arrangement of the clamping block, the bottom plate, the two-way screw rod, the knob, the moving block, the guide rod, the adjusting rod and the connecting block, the filter element is quickly replaced, the time for replacing the filter element is shortened, the replacement efficiency is improved, the filter element is more convenient to replace, and the problem that the convenience for replacing the filter element is poor in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air filters, and in particular to an air filter with a filter element that is convenient to replace. Background Art

[0002] The air filter is a device that captures dust from the gas-solid two-phase flow through the porous filter material and purifies the gas. The filter element of the air filter needs to be replaced after long-term use.

[0003] After searching, in the prior art, a Chinese patent with patent application number CN202220055759.X discloses an air filter for convenient replacement of filter elements, comprising an air filter body, a base is fixedly arranged at the inner bottom of the air filter body, a clamp is symmetrically fixedly arranged at the top of the base, a filter element is slidably arranged at the top of the base through the clamp, an air inlet pipe is arranged at the inner top of the air filter body, a locking mechanism is symmetrically fixedly arranged on both sides of the air inlet pipe, and the locking mechanism includes a first fixed block; however, the following defects still exist:

[0004] (1) In the prior art, the locks need to be unlocked before the filter element can be replaced, which is cumbersome and inconvenient to replace the filter element;

[0005] The air filter in the prior art is inconvenient to move and has poor flexibility. At the same time, when encountering uneven ground, its own stability is poor and it is easy to shake.

[0006] Therefore, we have made improvements to this and proposed an air filter that is easy to replace the filter element. Utility Model Content

[0007] The utility model aims to solve the problems that the existing air filter is not convenient to replace the filter element, is inconvenient to move and has poor stability when encountering uneven ground.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] An air filter with a convenient replacement filter element can improve the above problems.

[0010] The utility model is specifically as follows:

[0011] The filter element is provided at the bottom of the filter element, and a bottom plate is provided on the lower side of the block, and the bottom plate is fixedly connected to the inner bottom wall of the filter body; a bidirectional screw is rotatably connected in the bottom plate, and a knob is fixedly connected to the outer end of the bidirectional screw; two moving blocks are symmetrically and threadedly connected on the bidirectional screw, and guide rods are slidably connected at both ends of the two moving blocks, and the two ends of the guide rods are respectively fixedly connected to the side walls of the bottom plate; the upper end surfaces of the two moving blocks are symmetrically and rotatably connected to two adjusting rods, and the top ends of the adjusting rods are rotatably connected to connecting blocks, and the top end of the connecting block is fixedly connected to the lower end surface of the block, and universal wheels are fixedly connected at the four corners of the lower end surface of the filter body, and an adjustable supporting structure is provided on the lower end surface of the filter body.

[0012] As a preferred technical solution of the utility model, the adjustable support structure includes four threaded sleeves evenly fixed on the lower end surface of the filter body, the four threaded sleeves are threadedly connected with threaded columns, the bottom end of the threaded column is fixedly connected with a base foot, and the bottom of the threaded column is fixedly connected with a rotary block.

[0013] As a preferred technical solution of the utility model, a group of air holes are evenly opened on one side wall of the filter body, and the shape of the air holes is rectangular.

[0014] As a preferred technical solution of the utility model, the filter body is rotatably connected to a box door via a hinge, and a handle is fixedly connected to the outer side wall of the box door.

[0015] As a preferred technical solution of the utility model, the upper end surface of the clamping block is provided with a groove matching the filter element body, and a sealing gasket is fixedly connected in the groove.

[0016] As a preferred technical solution of the utility model, a handle is fixedly connected to the other side wall of the filter body, and an anti-slip sleeve is fixed on the handle.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. Through the provided card block, bottom plate, bidirectional screw, knob, moving block, guide rod, adjusting rod and connecting block, the filter element can be quickly replaced, the time for replacing the filter element can be shortened, the replacement efficiency can be improved, and the filter element can be replaced more conveniently, thus solving the problem of poor convenience in replacing the filter element in the prior art;

[0020] 2. By setting up universal wheels and adjustable supporting structures, the position of the air filter can be flexibly changed, which makes it convenient to support the air filter on uneven ground, ensures the stability of the air filter, and solves the problems of poor flexibility and easy shaking when used on uneven ground in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the expanded structure of an air filter for convenient filter element replacement provided by the utility model;

[0022] Figure 2 A schematic diagram of the structure of the air filter block and its connecting parts for convenient replacement of the filter element provided by the utility model;

[0023] Figure 3 The overall structure diagram of the air filter provided by the utility model for convenient replacement of the filter element;

[0024] Figure 4 The utility model provides Figure 1 A schematic diagram of the front view structure of

[0025] Figure 5 A schematic diagram of the closed side structure of an air filter for convenient filter element replacement provided by the utility model;

[0026] Figure 6 The utility model is a schematic side view of the structure of a block component of an air filter for convenient filter element replacement.

[0027] Indicated in the figure:

[0028] 1. Filter body; 2. Air inlet pipe; 3. Filter element; 4. Block; 5. Bottom plate; 6. Bidirectional screw; 7. Knob; 8. Moving block; 9. Guide rod; 10. Adjusting rod; 11. Connecting block; 12. Universal wheel; 13. Adjustable supporting structure; 1301. Threaded sleeve; 1302. Threaded column; 1303. Base; 1304. Rotary block; 14. Air vent; 15. Box door; 16. Groove; 17. Sealing gasket; 18. Handle. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the present embodiment proposes an air filter for convenient replacement of filter elements, comprising a filter body 1, an air inlet pipe 2 is installed at the inner top of the filter body 1, a filter element body 3 is provided at the inner bottom of the air inlet pipe 2, the air inlet pipe 2 facilitates the insertion of the top of the filter element body 3, and facilitates combined installation, a clamping block 4 is provided at the bottom of the filter element body 3, the clamping block 4 facilitates the support and placement of the bottom of the filter element body 3, a bottom plate 5 is provided on the lower side of the clamping block 4, and the bottom plate 5 is fixedly connected to the inner bottom wall of the filter body 1, a bidirectional screw 6 is rotatably connected in the bottom plate 5, a knob 7 is fixedly connected to the outer end of the bidirectional screw 6, two moving blocks 8 are symmetrically and threadedly connected on the bidirectional screw 6, both ends of the two moving blocks 8 are slidably connected to guide rods 9, and the two ends of the guide rods 9 are respectively fixedly connected to the side walls of the bottom plate 5 The upper end surfaces of the two moving blocks 8 are symmetrical and rotatably connected to two adjusting rods 10. The top ends of the adjusting rods 10 are rotatably connected to the connecting blocks 11, and the top ends of the connecting blocks 11 are fixedly connected to the lower end surfaces of the clamping blocks 4. The bidirectional screw 6 is rotated by the knob 7. The rotation of the bidirectional screw 6 drives the two moving blocks 8 to move outward at the same time, thereby causing the adjusting rods 10 to move. The adjusting rods 10 drive the clamping blocks 4 to descend, which is convenient for quick replacement of the filter element 3 and more convenient. Universal wheels 12 are fixedly connected to the four corners of the lower end surface of the filter body 1, which is convenient for flexible movement of the filter body 1. An adjustable supporting structure 13 is provided on the lower end surface of the filter body 1, which is convenient for supporting the air filter on an uneven bottom surface to ensure its stability.

[0031] like Figure 1 and Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, the adjustable support structure 13 includes four threaded sleeves 1301 evenly fixed on the lower end surface of the filter body 1, and the four threaded sleeves 1301 are all threadedly connected with threaded columns 1302, the bottom end of the threaded column 1302 is fixedly connected with a base 1303, and the bottom of the threaded column 1302 is fixedly connected with a rotary block 1304; the threaded column 1302 can be screwed out by rotating the rotary block 1304, and then the leakage length of the base 1303 can be adjusted, so as to support the air filter on an uneven ground.

[0032] like Figure 1 and Figure 3 As shown, as a preferred embodiment, based on the above method, further, a group of air holes 14 are evenly opened on one side wall of the filter body 1, and the shape of the air holes 14 is rectangular; it is convenient for gas discharge, simple to set up, and easy to use.

[0033] like Figure 1 and Figure 3As shown, as a preferred embodiment, on the basis of the above method, further, the filter body 1 is rotatably connected to the box door 15 through a hinge, and a handle is fixedly connected to the outer wall of the box door 15; it is convenient to seal the filter body 1 to prevent external impurities from entering the air filter.

[0034] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the upper end surface of the block 4 is provided with a groove 16 matching the filter element body 3, and a sealing gasket 17 is fixedly connected in the groove 16; the groove 16 facilitates the placement of the filter element body 3 in the block 4, and the sealing gasket 17 can improve the sealing performance.

[0035] like Figure 5 As shown, as a preferred embodiment, on the basis of the above method, further, a handle 18 is fixedly connected to the side wall of the other side of the filter body 1, and a non-slip cover is fixed on the handle 18; it is convenient for users to hold it and to move the air filter in conjunction with the universal wheel 12.

[0036] Specifically, when the air filter with convenient filter element replacement is working / in use: first open the box door 15, then turn the knob 7 to rotate the bidirectional screw 6, and the rotation of the bidirectional screw 6 drives the two moving blocks 8 to move outward at the same time, thereby causing the adjusting rod 10 to move, and the adjusting rod 10 drives the clamping block 4 to descend, so that the filter element body 3 descends and disengages from the air inlet pipe 2, and then the old filter element is removed, and the new filter element body 3 is placed in the groove 16 of the clamping block 4, and then the knob 7 is turned in the opposite direction to make the filter element body 3 rise and be clamped into the air inlet pipe 2, so that replacement is more convenient; it is convenient to move through the universal wheel 12, and when encountering an uneven ground during static use, the rotary block 1304 on the corresponding side can be rotated to screw out the threaded column 1302, so that the base 1303 is in contact with the ground, thereby ensuring the stability of the air filter.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. An air filter with a convenient filter element replacement, comprising a filter body (1), characterized in that: An air inlet pipe (2) is installed at the inner top of the filter body (1), a filter element (3) is provided at the inner bottom of the air inlet pipe (2), a clamping block (4) is provided at the bottom of the filter element (3), a bottom plate (5) is provided at the lower side of the clamping block (4), and the bottom plate (5) is fixedly connected to the inner bottom wall of the filter body (1), a bidirectional screw (6) is rotatably connected inside the bottom plate (5), a knob (7) is fixedly connected to the outer end of the bidirectional screw (6), two moving blocks (8) are symmetrically and threadedly connected on the bidirectional screw (6), and the two moving blocks (8) are ) are slidably connected to guide rods (9) at both ends, and the two ends of the guide rods (9) are respectively fixedly connected to the side walls of the bottom plate (5). The upper end surfaces of the two movable blocks (8) are symmetrical and rotatably connected to two adjustment rods (10). The top ends of the adjustment rods (10) are rotatably connected to connecting blocks (11), and the top ends of the connecting blocks (11) are fixedly connected to the lower end surface of the clamping block (4). Universal wheels (12) are fixedly connected at the four corners of the lower end surface of the filter body (1), and the lower end surface of the filter body (1) is provided with an adjustable support structure (13).

2. The air filter with convenient filter element replacement according to claim 1, characterized in that: The adjustable support structure (13) comprises four threaded sleeves (1301) uniformly fixed on the lower end surface of the filter body (1), the four threaded sleeves (1301) are all threadedly connected with a threaded column (1302), the bottom end of the threaded column (1302) is fixedly connected with a foot (1303), and the bottom of the threaded column (1302) is fixedly connected with a rotary block (1304).

3. The air filter with convenient filter element replacement according to claim 1, characterized in that: A group of air holes (14) are evenly arranged on a side wall of the filter body (1), and the air holes (14) are rectangular in shape.

4. The air filter with convenient filter element replacement according to claim 1, characterized in that: The filter body (1) is rotatably connected to a box door (15) via a hinge, and a handle is fixedly connected to the outer side wall of the box door (15).

5. The air filter with convenient filter element replacement according to claim 1, characterized in that: The upper end surface of the clamping block (4) is provided with a groove (16) matching the filter element body (3), and a sealing gasket (17) is fixedly connected in the groove (16).

6. The air filter with convenient filter element replacement according to claim 1, characterized in that: A handle (18) is fixedly connected to the other side wall of the filter body (1), and an anti-slip sleeve is fixedly provided on the handle (18).

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