Filtering structure of gas filling equipment

Abstract

The utility model relates to the technical field of gas filling, and discloses a filtering structure of gas filling equipment, which comprises a gas inlet pile and a gas inlet pipe, the inner side of the gas inlet pile is provided with a filtering mechanism, one end of the filtering mechanism is provided with a sealing mechanism, the filtering mechanism comprises a connecting shell, the top of the connecting shell is fixedly connected with a servo motor, and the top of the connecting shell is provided with a sealing mechanism. A first gear is installed at the conveying end of the servo motor, one end of the first gear is meshed with a second gear, the other end of the first gear is meshed with a third gear, lead screws are fixedly connected to the middle of the second gear and the middle of the third gear, and adjusting blocks are in threaded connection with the exteriors of the lead screws; according to the gas filtering structure of the gas filling equipment, impurities are prevented from being accumulated in a pipeline through the filtering mechanism, and the effect that long-time shutdown is not needed when the filtering net is replaced is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas filling technical field, concretely is a kind of gas filling equipment filter structure. BACKGROUND

[0002] Industrial gas is the product that is gaseous at normal temperature and pressure, and it needs to be filled into gas cylinder for transportation. Gas filling is the process of filling or sub-packaging industrial gas into reusable gas cylinder of corresponding medium according to certain pressure and flow rate through specific busbar or gas filling device.

[0003] According to the gas filling filter assembly disclosed in Chinese patent authorization announcement No. CN220125752U, the device includes an air inlet pile, an air inlet pipe is rotatably connected inside the air inlet pile, an air outlet pile is arranged on the outer surface of the air inlet pile, a mounting frame is threadedly connected inside the air inlet pile, a fixed plate is fixedly connected inside the mounting frame, a filter screen is arranged between the fixed plate and the mounting frame, a rotating groove extending to the outside of the fixed plate is formed in the inside of the fixed plate. The gas filling filter assembly drives the first bevel gear to rotate through the second bevel gear, so that the rotating shaft drives the cleaning plate to rotate, and the cleaning plate cleans the impurities and other pollutants attached to the surface of the filter screen through the brush. To some extent, it reduces the blockage of the mesh of the filter screen by impurities and other pollutants, reduces the speed of air passing through the filter screen, and avoids the situation that the progress of gas filling is affected.

[0004] However, the above-mentioned prior art has the following problems: when cleaning the filter screen, the filter screen is located inside the pipeline, and the impurities after cleaning are directly accumulated on both sides of the filter screen, so that the impurities directly enter the gas cylinder through the pipeline during subsequent gas filling, affecting the filling of the gas. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a gas filling equipment filter structure to solve the problems in the above background.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] A gas filling equipment filter structure includes an air inlet pile and an air inlet pipe, the inside of the air inlet pile is provided with a filter mechanism, one end of the filter mechanism is provided with a sealing mechanism;

[0008] The filtering mechanism comprises a connecting shell, a servo motor is fixedly connected to the top of the connecting shell, a first gear is installed at the conveying end of the servo motor, a second gear is engaged with one end of the first gear, a third gear is engaged with the other end of the first gear, a screw rod is fixedly connected to the middle of the second gear and the third gear, an adjusting block is threadedly connected to the outer portion of the screw rod, a filter frame is screw-connected to one end of the adjusting block, and a filter screen is installed at the inner side of the filter frame.

[0009] Preferably, one end of the air inlet pile is threadedly connected with one end of the air inlet pipe, and the connecting shell is fixedly connected to the top of the air inlet pile.

[0010] Preferably, shell doors are hingedly connected to the two ends of the connecting shell, and one end of the screw rod is rotatably connected to the inner side of the connecting shell.

[0011] Preferably, one end of the second gear and the third gear is rotatably connected to the inner side of the connecting shell, and a limiting rod is arranged at one end of the adjusting block.

[0012] Preferably, the sealing mechanism comprises a reset spring, one end of the reset spring is fixedly connected with a sealing plate, and the bottom of the sealing plate is fixedly connected with a sliding block.

[0013] Preferably, a plurality of reset springs are arranged, and the other ends of the plurality of reset springs are fixedly connected to the inner side of the connecting shell.

[0014] Preferably, one end of the sliding block is slidably connected to the inner side of the connecting shell, and a sealing gasket is arranged at one end of the sealing plate.

[0015] Compared with the prior art, the gas filling equipment filtering structure has the following beneficial effects:

[0016] Firstly, the servo motor at the top of the connecting shell drives the first gear at the bottom to rotate forward, thereby driving the second gear engaged with the first gear to reverse and the third gear to rotate forward, then the screw rod at the second gear rotates to drive the adjusting block to ascend, the screw rod at the third gear rotates to drive the adjusting block to descend, thereby driving one filter frame to ascend, when the adjusting block ascends and descends, the limiting rod is used for limiting, so that the stability during the ascending and descending is ensured, one filter frame descends, when the filter frame that needs to be cleaned ascends to the inside of the connecting shell, the clean filter frame enters the air inlet pile to filter the gas, then the shell door of the connecting shell is opened, the filter frame connected with the adjusting block is disassembled for cleaning, thereby avoiding that impurities are accumulated in the pipeline, and the effect that the filter screen does not need to be replaced for a long time is achieved.

[0017] Second, when the filter frame is lowered, it pushes the top sealing plate arranged to be inclined, so that the sealing plate moves towards both sides, and the stability of the movement is improved through the slider at the bottom of the sealing plate, until the sealing plate pushes the sealing plate into the air inlet pile, at this time the sealing gasket at one end of the sealing plate is in contact with the surface of the filter frame, so that the connection is always in a sealed state, avoiding gas leakage, and the other filter frame rises into the connecting shell, and the reset spring pushes the two sealing plates to move towards each other until the sealing gaskets at one end of the two sealing plates are attached, thereby blocking the opening at the air inlet pile to avoid gas leakage, thereby achieving the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole perspective view of the utility model;

[0019] Figure 2 It is a perspective view of the filter mechanism of the utility model;

[0020] Figure 3 It is an enlarged view of A of the utility model;

[0021] Figure 4 It is a sectional view of the utility model;

[0022] Figure 5 It is an enlarged view of B of the utility model.

[0023] Among them: 1, air inlet pile; 2, air inlet pipe; 3, filter mechanism; 4, sealing mechanism; 31, connecting shell; 32, servo motor; 33, first gear; 34, second gear; 35, third gear; 36, lead screw; 37, adjusting block; 38, filter frame; 39, filter screen; 301, limiting rod; 41, reset spring; 42, sealing plate; 43, slider; 44, sealing gasket. DETAILED DESCRIPTION

[0024] The specific embodiment of the utility model will be described in further detail below in combination with the drawings.

[0025] Example one

[0026] Please refer to Figures 1-5 A kind of gas filling equipment filtering structure, including air inlet pile 1 and air inlet pipe 2, the inside of air inlet pile 1 is provided with filter mechanism 3, one end of filter mechanism 3 is provided with sealing mechanism 4;

[0027] The filtering mechanism 3 comprises a connecting shell 31, the top of the connecting shell 31 is fixedly connected with a servo motor 32, the conveying end of the servo motor 32 is installed with a first gear 33, one end of the first gear 33 is engaged with a second gear 34, the other end of the first gear 33 is engaged with a third gear 35, the middle part of the second gear 34 and the third gear 35 are fixedly connected with a lead screw 36, the outer part of the lead screw 36 is threadedly connected with an adjusting block 37, one end of the adjusting block 37 is screw-connected with a filter frame 38, and the inner side of the filter frame 38 is installed with a filter screen 39.

[0028] One end of the air inlet pile 1 is threadedly connected with one end of the air inlet pipe 2, and the connecting shell 31 is fixedly connected to the top of the air inlet pile 1.

[0029] The two ends of the connecting shell 31 are hingedly connected with shell doors, and one end of the lead screw 36 is rotatably connected with the inner side of the connecting shell 31.

[0030] One end of the second gear 34 and the third gear 35 is rotatably connected with the inner side of the connecting shell 31, and one end of the adjusting block 37 is provided with a limiting rod 301.

[0031] Through the above technical scheme, the gas enters the inside of the air inlet pile 1 through the air inlet pipe 2, and then is filtered through the filter screen 39 in the first filter frame 38, and after filtering, the gas is discharged and enters the filling. When it is necessary to clean and replace the filter screen 39, the servo motor 32 at the top of the connecting shell 31 is started to drive the first gear 33 at the bottom to rotate forward, so as to drive the second gear 34 engaged therewith to reverse and the third gear 35 to rotate forward, and then the lead screw 36 at the second gear 34 is rotated to drive the adjusting block 37 to rise, and the lead screw 36 at the third gear 35 is rotated to drive the adjusting block 37 to move downward, so as to drive one filter frame 38 to rise. When the adjusting block 37 rises and falls, the limiting rod 301 is used for limiting to ensure the stability during rising and falling. One filter frame 38 is lowered. When the filter frame 38 to be cleaned rises to the inside of the connecting shell 31, the clean filter frame 38 enters the air inlet pile 1 to filter the gas, and then the shell door of the connecting shell 31 is opened, and the filter frame 38 connected with the adjusting block 37 is disassembled for cleaning, so as to avoid that impurities are accumulated in the pipeline, and the effect that the filter screen 39 does not need to be stopped for a long time during replacement is achieved. The air inlet pile 1 and the air inlet pipe 2 are prior art, which has been disclosed in the filtering assembly for gas filling in the comparative document Chinese Patent No. CN 220125752U.

[0032] Embodiment Two

[0033] Please refer to Figures 1-5 On the basis of Embodiment One, it is further obtained that the sealing mechanism 4 comprises a return spring 41, one end of the return spring 41 is fixedly connected with a sealing plate 42, and the bottom of the sealing plate 42 is fixedly connected with a sliding block 43.

[0034] The plurality of reset springs 41 have the other ends fixedly connected with the inner side of the connecting shell 31.

[0035] One end of the sliding block 43 is slidingly connected with the inner side of the connecting shell 31, and one end of the sealing plate 42 is provided with a sealing gasket 44.

[0036] According to the technical scheme, when the filter frame 38 is lowered, it pushes the top sealing plate 42 which is inclined, so that the sealing plate 42 moves to both sides, and the sliding block 43 at the bottom of the sealing plate 42 improves the stability of the movement, until the sealing plate 42 pushes the sealing plate 42 into the air inlet pile 1, at this time, the sealing gasket 44 at one end of the sealing plate 42 is in contact with the surface of the filter frame 38, so that the connection is always in a sealed state, avoiding gas leakage, and the other filter frame 38 is lifted into the connecting shell 31, and the reset spring 41 pushes the two sealing plates 42 to move towards each other until the sealing gaskets 44 at one end of the two sealing plates 42 are attached, thereby plugging the opening at the air inlet pile 1, avoiding gas leakage, thereby achieving the sealing effect.

[0037] Although the specific embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these specific embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas filling equipment filtering structure comprising a gas inlet pile (1) and a gas inlet pipe (2), characterized in that: The inner side of the air inlet pile (1) is provided with a filtering mechanism (3), one end of the filtering mechanism (3) is provided with a sealing mechanism (4); The filtering mechanism (3) comprises a connecting shell (31), the top of the connecting shell (31) is fixedly connected with a servo motor (32), the conveying end of the servo motor (32) is provided with a first gear (33), one end of the first gear (33) is engaged with a second gear (34), the other end of the first gear (33) is engaged with a third gear (35), the middle parts of the second gear (34) and the third gear (35) are fixedly connected with lead screws (36), the outer threads of the lead screws (36) are connected with adjusting blocks (37), one end of the adjusting block (37) is screw-connected with a filter frame (38), the inner side of the filter frame (38) is provided with a filter screen (39).

2. The filter structure of claim 1, wherein: One end of the air inlet pile (1) is threadedly connected with one end of the air inlet pipe (2), and the connecting shell (31) is fixedly connected to the top of the air inlet pile (1).

3. The filter structure of claim 1, wherein: The both ends of the connecting shell (31) are hingedly connected with shell doors, and one end of the lead screw (36) is rotatably connected with the inner side of the connecting shell (31).

4. The filter structure of claim 1, wherein: One end of the second gear (34) and the third gear (35) is rotatably connected with the inner side of the connecting shell (31), and one end of the adjusting block (37) is provided with a limiting rod (301).

5. The filter structure of claim 1, wherein: The sealing mechanism (4) comprises a reset spring (41), one end of the reset spring (41) is fixedly connected with a sealing plate (42), and the bottom of the sealing plate (42) is fixedly connected with a sliding block (43).

6. The filter structure of claim 5, wherein: A plurality of reset springs (41) are arranged, and the other ends of the plurality of reset springs (41) are fixedly connected with the inner side of the connecting shell (31).

7. The filter structure of claim 5, wherein: One end of the sliding block (43) is slidably connected with the inner side of the connecting shell (31), and one end of the sealing plate (42) is provided with a sealing gasket (44).

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