Nitrogen making machine with dust filtering function

Abstract

The nitrogen making machine with the dust filtering function comprises a nitrogen making machine body, a connecting pipe is arranged on the left surface of the nitrogen making machine body, a filtering box is fixedly connected to the outer surface of the connecting pipe, an air inlet horn is arranged on the left surface of the filtering box, a limiting guide rail is fixedly connected to the inner wall of the bottom of the filtering box, and the limiting guide rail is fixedly connected to the outer surface of the connecting pipe. A dust filtering plate is arranged on the inner surface of the limiting guide rail, a buckle seat and a fixing device are fixedly connected to the upper surface of the dust filtering plate, and the fixing device comprises an inserting block, a fixing box, a connecting sliding strip, a T-shaped block, a sliding rod, a limiting block, a spring and a fixing block. The nitrogen making machine has the advantages that dust in air can be filtered by the aid of the dust filtering plate, the dust is prevented from entering the nitrogen making machine body, accordingly, the service life of the nitrogen making machine can be prolonged, the dust filtering plate can be quickly detached and mounted by the aid of the limiting guide rails, the fastening seats and the fixing devices, accordingly, the dust filtering plate can be conveniently replaced, and the practicality can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen generators, in particular to a nitrogen generator with a dust filtering function. Background Art

[0002] Nitrogen generator is an industrial equipment used to produce nitrogen, which is an inert gas widely used in chemical, food, electronics, pharmaceutical and other industries for protection, inerting, drying, cooling and other purposes.

[0003] However, the existing nitrogen generators on the market usually do not have a dust filtration function, which causes dust particles in the air to enter the interior of the nitrogen generator, causing wear of the internal equipment and shortening the service life of the equipment. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a nitrogen generator with a dust filtering function. The dust in the air can be filtered by the arrangement of a dust filter plate to prevent the dust from entering the interior of the nitrogen generator body, thereby improving the service life of the nitrogen generator. The dust filter plate can be quickly disassembled and installed by the arrangement of a limiting guide rail, a buckle seat, and a fixing device, thereby facilitating the replacement of the dust filter plate and improving practicality.

[0005] The utility model also provides a nitrogen generator having the above-mentioned dust filtering function, comprising:

[0006] A nitrogen generator body, wherein a connecting pipe is arranged on the left surface of the nitrogen generator body, a filter box is fixedly connected to the outer surface of the connecting pipe, an air intake horn is arranged on the left surface of the filter box, a limiting guide rail is fixedly connected to the bottom inner wall of the filter box, a dust filter plate is arranged on the inner surface of the limiting guide rail, and a buckle seat is fixedly connected to the upper surface of the dust filter plate.

[0007] A fixing device, the fixing device includes an insert block, a fixing box, a connecting slide bar, a T-shaped block, a sliding rod, a limit block, a spring and a fixing block, the outer surface of the insert block is slidably connected to the fixing box, the upper surface of the connecting slide bar is fixedly connected to the T-shaped block, the left end of the sliding rod is fixedly connected to the limit block, and the right end of the spring is fixedly connected to the fixing block.

[0008] According to the nitrogen generator with dust filtering function, a limiting groove is provided on the upper surface of the fixing box, and the inner surface of the limiting groove is matched with the T-shaped block for limiting the movement of the T-shaped block.

[0009] According to the nitrogen generator with dust filtering function, the outer surface of the fixed box is provided with a moving groove, and the inner surface of the moving groove is adapted to the connecting slide bar for limiting the connection slide bar when it moves.

[0010] According to the nitrogen generator with dust filtering function, a plug hole is provided on the side surface of the buckle seat, and the inner surface of the plug hole is matched with the plug block, so as to facilitate the removal and installation of the dust filter plate.

[0011] According to the nitrogen generator with dust filtering function, a slot is provided on the upper surface of the filter box, and the inner surface of the slot is matched with the dust filter plate, so as to facilitate the installation of the dust filter plate.

[0012] According to the nitrogen generator with dust filtering function, the right surface of the insert block is fixedly connected to the connecting slide bar, and the outer surface of the slide bar is slidably connected to the connecting slide bar.

[0013] According to the nitrogen generator with dust filtering function, the outer surface of the fixing box is fixedly connected to the fixing block, and the left end of the spring is fixedly connected to the connecting slide bar.

[0014] According to the nitrogen generator with dust filtering function, the right end of the slide rod is fixedly connected to the fixed block, and the number of the springs is two and they are distributed front and back.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of a nitrogen generator with dust filtering function according to the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure enlargement at the center A;

[0019] Figure 3 This is a cross-sectional view of the filter box structure of a nitrogen generator with dust filtering function according to the utility model;

[0020] Figure 4 This is a cross-sectional view of the structure of a fixing device of a nitrogen generator with a dust filtering function according to the utility model.

[0021] Legend:

[0022] 1. Nitrogen generator body; 2. Connecting pipe; 3. Filter box; 4. Intake horn; 5. Limiting guide rail; 6. Dust filter plate; 7. Buckle seat; 8. Fixing device; 9. Insert block; 10. Fixing box; 11. Connecting slide bar; 12. T-shaped block; 13. Slide bar; 14. Limiting block; 15. Spring; 16. Fixing block; 17. Limiting slot; 18. Moving slot; 19. Plug hole; 20. Slot. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4 The utility model embodiment is a nitrogen generator with a dust filtering function, which includes: a nitrogen generator body 1, a connecting pipe 2 is arranged on the left surface of the nitrogen generator body 1, a filter box 3 is fixedly connected to the outer surface of the connecting pipe 2, an air intake horn 4 is arranged on the left surface of the filter box 3, a limiting guide rail 5 is fixedly connected to the bottom inner wall of the filter box 3, a dust filter plate 6 is arranged on the inner surface of the limiting guide rail 5, a buckle seat 7 is fixedly connected to the upper surface of the dust filter plate 6, a plug hole 19 is arranged on the side surface of the buckle seat 7, a slot 20 is arranged on the upper surface of the filter box 3, and the inner surface of the slot 20 is adapted to the dust filter plate 6.

[0025] The fixing device 8 includes an insert block 9, a fixing box 10, a connecting slide bar 11, a T-shaped block 12, a slide bar 13, a limit block 14, a spring 15 and a fixing block 16. The outer surface of the insert block 9 is slidably connected to the fixing box 10, the upper surface of the connecting slide bar 11 is fixedly connected to the T-shaped block 12, the left end of the slide bar 13 is fixedly connected to the limit block 14, the right end of the spring 15 is fixedly connected to the fixing block 16, and a limit groove 17 is provided on the upper surface of the fixing box 10, and the inner surface of the limit groove 17 is adapted to the T-shaped block 12. The outer surface of the fixed box 10 is provided with a moving groove 18, the inner surface of the moving groove 18 is adapted to the connecting slide bar 11, the inner surface of the socket 19 is adapted to the plug block 9, the right surface of the plug block 9 is fixedly connected to the connecting slide bar 11, the outer surface of the slide bar 13 is slidably connected to the connecting slide bar 11, the outer surface of the fixed box 10 is fixedly connected to the fixed block 16, the left end of the spring 15 is fixedly connected to the connecting slide bar 11, the right end of the slide bar 13 is fixedly connected to the fixed block 16, and the number of springs 15 is two and they are distributed front and back.

[0026] Working principle: When the nitrogen generator body 1 is working, the external air is sucked into the filter box 3 through the air intake horn 4. Under the action of the dust filter plate 6, the dust impurities in the air will be filtered out, and then enter the nitrogen generator body 1 through the connecting pipe 2 to realize the nitrogen making operation. When the dust filter plate 6 is damaged or needs to be cleaned, it is only necessary to push the T-shaped block 12 along the limiting groove 17 to drive the connecting slide bar 11 to move to the right along the slide bar 13, and the spring 15 is compressed, so that the plug block 9 is disengaged from the socket 19, and the limiting effect of the plug block 9 on the buckle seat 7 can be released. Then, the buckle seat 7 can be pulled out along the slot 20 to remove the dust filter plate 6 as a whole. After cleaning or replacement, push the T-shaped block 12 again, and then insert the dust filter plate 6 into the limiting guide rail 5 through the slot 20 to complete the initial limiting. When the socket 19 corresponds to the plug block 9, release the T-shaped block 12. Under the action of the restoring force of the spring 15, the plug block 9 automatically snaps into the socket 19 to complete the limiting fixation of the dust filter plate 6. It is simple and convenient, and no tools are required.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A nitrogen generator with dust filtering function, characterized in that: include: A nitrogen generator body (1), wherein a connecting pipe (2) is provided on the left surface of the nitrogen generator body (1), a filter box (3) is fixedly connected to the outer surface of the connecting pipe (2), an air intake horn (4) is provided on the left surface of the filter box (3), a limit guide rail (5) is fixedly connected to the bottom inner wall of the filter box (3), a dust filter plate (6) is provided on the inner surface of the limit guide rail (5), and a buckle seat (7) is fixedly connected to the upper surface of the dust filter plate (6); A fixing device (8), the fixing device (8) comprising an insert block (9), a fixing box (10), a connecting slide bar (11), a T-shaped block (12), a slide bar (13), a limit block (14), a spring (15) and a fixing block (16), wherein the outer surface of the insert block (9) is slidably connected to the fixing box (10), the upper surface of the connecting slide bar (11) is fixedly connected to the T-shaped block (12), the left end of the slide bar (13) is fixedly connected to the limit block (14), and the right end of the spring (15) is fixedly connected to the fixing block (16).

2. A nitrogen generator with dust filtering function according to claim 1, characterized in that: A limiting groove (17) is provided on the upper surface of the fixing box (10), and the inner surface of the limiting groove (17) is adapted to fit the T-shaped block (12).

3. The nitrogen generator with dust filtering function according to claim 1, characterized in that: The outer surface of the fixing box (10) is provided with a moving groove (18), and the inner surface of the moving groove (18) is adapted to the connecting slide bar (11).

4. The nitrogen generator with dust filtering function according to claim 1, characterized in that: A plug hole (19) is provided on the side surface of the buckle seat (7), and the inner surface of the plug hole (19) is adapted to the plug block (9).

5. The nitrogen generator with dust filtering function according to claim 1, characterized in that: The upper surface of the filter box (3) is provided with a slot (20), and the inner surface of the slot (20) is adapted to fit the dust filter plate (6).

6. The nitrogen generator with dust filtering function according to claim 1, characterized in that: The right surface of the insert block (9) is fixedly connected to the connecting slide bar (11), and the outer surface of the slide bar (13) is slidably connected to the connecting slide bar (11).

7. The nitrogen generator with dust filtering function according to claim 1, characterized in that: The outer surface of the fixing box (10) is fixedly connected to the fixing block (16), and the left end of the spring (15) is fixedly connected to the connecting slide bar (11).

8. The nitrogen generator with dust filtering function according to claim 1, characterized in that: The right end of the slide rod (13) is fixedly connected to the fixed block (16), and the number of the springs (15) is two and they are distributed front and back.

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