Fuel gas filtering device

By improving the installation mechanism and cleaning components of the gas filter, the problems of difficult disassembly caused by rusted bolts and safety hazards during motor cleaning were solved, enabling rapid installation and safe cleaning of the filter screen.

CN224040358UActive Publication Date: 2026-03-27EUROPEAN INSURANCE (CHINA) ENVIRONMENTAL ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing gas filtration devices, the bolt fixing method is prone to rust, making disassembly difficult, and cleaning the motor poses a safety hazard.

Method used

The system employs an installation mechanism and cleaning components, including a circular frame, rotating ring, filter screen, connecting rod, semi-circular cover, flange, slot, groove, connecting block, and locking block, to enable quick installation and removal of the filter screen. The cleaning components are cleaned by manually rotating the rotating rod and using a brush, eliminating the need for motor operation.

Benefits of technology

It enables convenient installation and removal of the filter, reduces the risk of gas leakage, and improves the safety and practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fuel gas filtering device, which belongs to the field of fuel gas filtering and comprises a pipeline and an exhaust pipe, the exhaust pipe is communicated with the side wall of the pipeline, the pipeline is provided with a mounting mechanism, and the mounting mechanism is provided with a cleaning component. Through the arrangement of the installation mechanism, if the filter screen needs to be installed during use, the filter screen can be taken up and inserted into a pipeline, then the clamping block is aligned with the inserting groove and inserted into the inserting groove, then the connecting rod is rotated to enable the filter screen and the clamping block to rotate along with the clamping block until the clamping block completely enters the clamping groove, and then rapid installation of the filter screen can be completed; during disassembly, the clamping block is directly and reversely rotated to be separated from the clamping groove, then the connecting rod is pulled to enable the filter screen to be separated from the pipeline, disassembly and assembly are convenient and fast, through the arranged cleaning assembly, during manual cleaning, a user is close to the device, if fuel gas leaks, the user can know the situation at the first time, and dangerous accidents are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of gas filter, specifically, a kind of gas filter device. BACKGROUND

[0002] Gas is the general term of gaseous fuel, it can burn and release heat, for residents and industrial enterprises use, gas may mix some solid particles in the process of exploitation, transportation or storage, in order to prevent gas nozzle from being blocked, therefore need to filter gas.

[0003] Through the search, in the prior art, patent announcement No.CN222034013U discloses "a kind of gas impurity filter device, including pipeline, the front and rear ends of pipeline are fixedly connected with the connecting flange, the front end of two connecting flanges is penetrated and four installation holes are formed, two first connecting holes are formed on the outer surface of the front connecting flange upper side, installation slot is penetrated and formed on the outer surface of the front connecting flange upper side, two first connecting holes and installation slot are fixedly installed with filter assembly, motor fixing frame is fixedly connected with the inner surface of the upper middle part of pipeline, shaft fixing frame is fixedly connected with the inner surface of the upper middle part of pipeline, cleaning assembly is fixedly installed with motor fixing frame and shaft fixing frame, the gas impurity filter device of the utility model, by setting cleaning assembly, reach the purpose of improving the overall filtering efficiency of gas, reducing filter screen dismounting frequency;By setting filter assembly, reach the purpose of quickly dismounting and installing filter assembly, improve subsequent replacement efficiency", but still have the following defects:

[0004] (1) the device is fixed on the flange plate by bolt when using, long-term use, bolt can rust, difficult to disassemble, therefore the device has low practicality, inconvenient to use.

[0005] (2) the device is cleaned by cleaning brush driven by motor when using, if gas leaks, especially old or poorly maintained motor, may produce electric spark due to poor contact, directly ignite leaked gas, have certain security risks.

[0006] Therefore we make improvement, propose a kind of gas filter device. UTILITY MODEL CONTENT

[0007] The utility model aims at: the gas filter device of the present existence is fixed on the flange plate by bolt when using, long-term use, bolt can rust, difficult to disassemble, therefore the device has low practicality, inconvenient to use.

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

[0009] Gas filter device to improve the above problems.

[0010] The utility model discloses a specific as follows:

[0011] Including pipeline and exhaust pipe, the exhaust pipe is connected and is arranged on the lateral wall of pipeline, be provided with installation mechanism on the pipeline, be provided with cleaning assembly on the installation mechanism,

[0012] The installation mechanism includes a circular frame, a rotating ring, a filter screen, a connecting rod, a semicircular cover, a flange plate, a slot, a clamping groove, a connecting block and a clamping block, the circular frame is slidably connected to the inside of the pipeline, the rotating ring is rotatably connected to the lateral wall of the circular frame, the filter screen is arranged in the inside of the circular frame, the connecting rod is fixedly connected to the lateral wall of the rotating ring, the semicircular cover is arranged on one side of the pipeline, four flange plates are fixedly connected to the two ends of the pipeline, the outer wall of the semicircular cover and one end of the exhaust pipe respectively, the slot is opened in the lateral wall of the pipeline close to the semicircular cover, the clamping groove is opened in the lateral wall of the slot, the connecting block is fixedly connected to the other end of the connecting rod, and the clamping block is fixedly connected to the top of the connecting block.

[0013] As a preferred technical scheme of the utility model, the cleaning assembly includes a rotating rod and a brush, the rotating rod is rotatably connected to the inside of the semicircular cover, the brush is fixedly connected to one end of the rotating rod close to the filter screen, and the bristles of the brush are closely attached to the lateral wall of the filter screen.

[0014] As a preferred technical scheme of the utility model, a positioning rod is arranged between the two connecting blocks, one end of the rotating rod away from the brush penetrates the positioning rod and is rotatably connected with the positioning rod.

[0015] As a preferred technical scheme of the utility model, a sealing gasket is arranged in the inside of the slot, and the sealing gasket is located on the flange plate on the semicircular cover close to the lateral wall of the pipeline.

[0016] As a preferred technical scheme of the utility model, a positioning ring is fixedly connected in the inside of the pipeline, a plurality of springs are fixedly connected to the lateral wall of the positioning ring close to the filter screen, and the other ends of the plurality of springs are closely attached to the lateral wall of the circular frame.

[0017] As a preferred technical scheme of the utility model, a blocking ring is fixedly connected to the lateral wall of the circular frame close to the positioning ring, and the outer wall of the blocking ring is closely attached to the inner wall of the positioning ring.

[0018] As a preferred technical scheme of the utility model, a plurality of nail grooves are opened in the top of the clamping block, and the plurality of nail grooves are evenly distributed along the length direction of the clamping block.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] In the scheme of the utility model,

[0021] 1. By setting the mounting mechanism, if you want to install the filter screen during use, you can pick up the filter screen, insert the filter screen into the pipeline, then align the clamping block with the slot and insert it into the inside, then rotate the connecting rod to make the filter screen and the clamping block rotate, until the clamping block completely enters the inside of the clamping slot, the quick installation of the filter screen is completed, when disassembling, directly reverse the clamping block, make it separate from the clamping slot, then pull the connecting rod, make the filter screen separate from the pipeline, convenient and fast disassembly and assembly.

[0022] 2. By setting the cleaning assembly, when using, manually rotate the rotating rod, the bristles on the brush directly sweep the solid particles attached to the filter screen, when manually cleaning, the user is close to the device, if the gas leaks, the user can know it at the first time, avoid dangerous accidents. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a structure schematic diagram of gas filter device;

[0024] Figure 2 The utility model provides a left view of gas filter device;

[0025] Figure 3 The utility model provides a gas filter device Figure 2 The utility model provides a gas filter device

[0026] Figure 4 The utility model provides a gas filter device

[0027] Figure 5 The utility model provides a gas filter device Figure 3 The utility model provides a gas filter device

[0028] Indicated in the drawing:

[0029] 1, pipeline;2, exhaust pipe;3, mounting mechanism;4, cleaning assembly;5, positioning rod;6, sealing gasket;7, positioning ring;8, spring;9, blocking ring;10, nail slot;301, circular frame;302, rotating ring;303, filter screen;304, connecting rod;305, semicircular cover;306, flange plate;307, slot;308, clamping slot;309, connecting block;310, clamping block;401, rotating rod;402, brush. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0031] Therefore, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0032] It should be noted that the embodiments and the features and technical schemes in the embodiments in the utility model can be combined with each other without conflict.

[0033] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] As Figures 1-5 shown, the present embodiment proposes a gas filtering device, comprising a pipeline 1 and an exhaust pipe 2, the exhaust pipe 2 is communicated and arranged on the side wall of the pipeline 1, the pipeline 1 is provided with a mounting mechanism 3, the mounting mechanism 3 is provided with a cleaning assembly 4;

[0035] As Figure 3 and Figure 4As shown, the mounting mechanism 3 comprises a circular frame 301, a rotating ring 302, a filter screen 303, a connecting rod 304, a semicircular cover 305, a flange plate 306, a slot 307, a clamping groove 308, a connecting block 309 and a clamping block 310. The semicircular cover 305 is arranged at one end of the pipeline 1 in the axial direction, the exhaust pipe 2 is connected to the side wall of the pipeline 1, the circular frame 301 is located inside the pipeline 1, the periphery of the circular frame 301 is matched with the inner wall of the pipeline 1, the circular frame 301 can slide along the axial direction of the pipeline 1, the side of the circular frame 301 facing the semicircular cover 305 is provided with an annular groove, the annular groove is coaxial with the circular frame 301, the rotating ring 302 is arranged in the annular groove, the rotating ring 302 is coaxial with the circular frame 301, the rotating ring 302 can rotate around the axis of the circular frame 301 in the annular groove, the filter screen 303 is arranged inside the circular frame 301, the filter screen 303 is circular, the periphery of the filter screen 303 is seamlessly connected with the annular inner wall of the circular frame 301, the connecting rod 304 is fixedly connected to the side wall of the rotating ring 302 facing the semicircular cover 305, four flange plates 306 are fixedly connected to both ends of the pipeline 1, one end of the semicircular cover 305 connected with the pipeline 1, and one end of the exhaust pipe 2 away from the pipeline 1, the slot 307 is opened on the flange plate 306 connected with the semicircular cover 305, the slot 307 is specifically located on the side wall of the flange plate 306 facing the semicircular cover 305, and the slot 307 penetrates to the inner wall of the flange plate 306, the clamping groove 308 is opened on the groove bottom of the slot 307, the clamping groove 308 also penetrates to the inner wall of the flange plate 306, the opening length of the clamping groove 308 along the circumference of the flange plate 306 is greater than the opening length of the slot 307 along the circumference of the flange plate 306, the connecting block 309 is fixedly connected to one end of the connecting rod 304 away from the rotating ring 302, and the clamping block 310 is fixedly connected to the top of the connecting block 309. When the rotating ring 302 moves along the axial direction of the pipeline 1, the clamping block 310 can enter the slot 307 and the clamping groove 308; when the clamping block 310 enters the clamping groove 308, the outer wall of the clamping block 310 is tightly fitted with the inside of the clamping groove 308, the clamping block 310 is made of corrosion-resistant rubber material, and when the filter screen 303 is installed, the circular frame 301, the rotating ring 302 and the filter screen 303 can be pushed into the pipeline 1 by holding the connecting rod 304, then the clamping block 310 is aligned with the slot 307 and inserted, and then the clamping block 310 is rotated to enter the clamping groove 308, so that the filter screen 303 is quickly installed, and then a pair of flange plates 306 are locked by external bolts to fix the semicircular cover 305 at one end of the pipeline 1.

[0036] As Figure 3As shown, the cleaning assembly 4 comprises a rotating rod 401 and a brush 402, the rotating rod 401 is provided with a through hole away from the end of the pipeline 1, the rotating rod 401 is rotationally connected in the through hole, the rotating rod 401 is mostly extended into the semicircular cover 305 and the pipeline 1 through the through hole, and a small part of the rotating rod 401 is located outside the semicircular cover 305, the brush 402 is fixedly connected to one end of the rotating rod 401 close to the filter screen 303, and the bristles of the brush 402 are tightly attached to the side wall of the filter screen 303. In use, the user can manually rotate the rotating rod 401 regularly to rotate the brush 402, thereby cleaning the solid particles attached to the filter screen 303, and at the same time, the user is close to the device during manual cleaning, and can also smell whether the gas leaks.

[0037] As shown in Figure 4 Two positioning rods 5 are arranged between the two connecting blocks 309, and the end of the rotating rod 401 away from the brush 402 penetrates the positioning rod 5 and is rotationally connected with the positioning rod 5. By arranging the positioning rod 5, the two connecting blocks 309 can be conveniently operated at the same time, and the positioning rod 5 can also provide support for the rotating rod 401 to improve the stability during rotation.

[0038] As shown in Figure 4 A sealing gasket 6 is arranged in the inner part of the slot 307, and the sealing gasket 6 is located on the side wall of the flange plate 306 on the semicircular cover 305 close to the pipeline 1. The outer wall of the sealing gasket 6 is tightly attached to the inner wall of the slot 307, and the sealing gasket 6 can improve the sealing performance of the inside of the slot 307 and the clamping groove 308 during use, thereby reducing the risk of gas leakage.

[0039] As shown in Figure 5 A positioning ring 7 is fixedly connected in the inside of the pipeline 1, and the positioning ring 7 is located on the side of the filter screen 303 away from the semicircular cover 305. The positioning ring 7 is coaxial with the pipeline 1, the circumferential edge of the positioning ring 7 is fixedly connected with the inner wall of the pipeline 1, a plurality of springs 8 are fixedly connected on the side wall of the positioning ring 7 close to the filter screen 303, and the other ends of the plurality of springs 8 are tightly attached to the side wall of the circular ring frame 301. When the rotating clamping block 310 is rotated until the clamping block 310 is located in the inside of the slot 307, the elastic force of the spring 8 will make the clamping block 310 directly pop out of the slot 307, thereby improving the convenience during disassembly of the filter screen 303.

[0040] As shown in Figure 5 A blocking ring 9 is fixedly connected on the side wall of the circular ring frame 301 close to the positioning ring 7, and the outer wall of the blocking ring 9 is tightly attached to the inner wall of the positioning ring 7. In use, the blocking ring 9 can shield the upper part of the spring 8 to prevent solid particles from falling on the spring 8 and affecting the normal use of the spring 8.

[0041] As shown in Figure 3As shown, the top of the clamping block 310 is provided with a plurality of nail grooves 10, and the plurality of nail grooves 10 are uniformly distributed along the length direction of the clamping block 310.

[0042] Specifically, when the gas filter device is used: if the filter screen 303 is to be installed, the connecting rod 304 is lifted to push the circular ring frame 301, the rotating ring 302 and the filter screen 303 into the pipeline 1, then the clamping block 310 is aligned with the insertion slot 307 and inserted, and then the clamping block 310 is rotated to enter the clamping slot 308, thereby quickly installing the filter screen 303, then the semicircular cover 305 is fixed at one end of the pipeline 1 by external bolts, at this time the sealing gasket 6 can improve the sealing performance of the insertion slot 307, then the user can manually rotate the rotating rod 401 at regular intervals, so that the brush 402 rotates, thereby cleaning the solid particles attached to the filter screen 303, and at the same time when manually cleaning, the user is close to the device, and can also smell whether the gas leaks, when the filter screen 303 is disassembled, the semicircular cover 305 is removed, and the user can conveniently take out the clamping block 310 by the nail, and then pull the positioning rod 5 to take out the filter screen 303.

[0043] All the technical features in the embodiment can be freely combined according to actual needs.

[0044] The above embodiment is a preferred implementation scheme of the utility model, and the utility model can also be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A gas filtering device comprising a duct (1) and an exhaust pipe (2), characterized in that, The exhaust pipe (2) is communicated with the side wall of the pipeline (1), the pipeline (1) is provided with a mounting mechanism (3), and the mounting mechanism (3) is provided with a cleaning assembly (4); The mounting mechanism (3) comprises a circular frame (301), a rotating ring (302), a filter screen (303), a connecting rod (304), a semicircular cover (305), a flange plate (306), a slot (307), a clamping groove (308), a connecting block (309) and a clamping block (310), the circular frame (301) is slidably connected to the inside of the pipeline (1), the rotating ring (302) is rotatably connected to the side wall of the circular frame (301), the filter screen (303) is arranged in the inside of the circular frame (301), the connecting rod (304) is fixedly connected to the side wall of the rotating ring (302), the semicircular cover (305) is arranged on one side of the pipeline (1), four flange plates (306) are fixedly connected to the two ends of the pipeline (1), the outer wall of the semicircular cover (305) and one end of the exhaust pipe (2) respectively, the slot (307) is formed in the side wall of the pipeline (1) close to the semicircular cover (305), the clamping groove (308) is formed in the side wall of the slot (307), the connecting block (309) is fixedly connected to the other end of the connecting rod (304), and the clamping block (310) is fixedly connected to the top of the connecting block (309).

2. A gas filter device according to claim 1, characterised in that The cleaning assembly (4) comprises a rotating rod (401) and a brush (402), the rotating rod (401) is rotatably connected to the inside of the semicircular cover (305), and the brush (402) is fixedly connected to one end of the rotating rod (401) close to the filter screen (303).

3. A gas filter device according to claim 2, characterised in that Two connecting blocks (309) are provided with a positioning rod (5), one end of the rotating rod (401) away from the brush (402) penetrates through the positioning rod (5) and is rotatably connected with the positioning rod (5).

4. A gas filter device according to claim 1, characterized in that The inside of the slot (307) is provided with a sealing gasket (6), and the sealing gasket (6) is located on the side wall of the flange plate (306) on the semicircular cover (305) close to the pipeline (1).

5. The gas filter of claim 1, wherein The inside of the pipeline (1) is fixedly connected with a positioning ring (7), a plurality of springs (8) are fixedly connected to the side wall of the positioning ring (7) close to the filter screen (303), and the other ends of the plurality of springs (8) are tightly attached to the side wall of the circular frame (301).

6. A gas filter device according to claim 5, characterised in that The side wall of the circular frame (301) close to the positioning ring (7) is fixedly connected with a blocking ring (9), and the outer wall of the blocking ring (9) is tightly attached to the inner wall of the positioning ring (7).

7. A gas filter device according to claim 1, characterized in that A plurality of nail grooves (10) are formed in the top of the clamping block (310) and are evenly distributed along the length direction of the clamping block (310).

Citation Information

Patent Citations

  • Fuel gas impurity filtering device

    CN222034013U