Explosion-proof fan convenient to install

The system utilizes a limit plate, protective pads, and a motor-driven gear system to ensure stable installation of various fan models. Combined with a front ventilation mesh and filter cover, it addresses installation limitations and vibration/impact issues, preventing dust from damaging the fan's internal components.

CN223469478UActive Publication Date: 2025-10-24LUOYANG XINAO HUAYOU GAS
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422302009.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-10-24
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing explosion-proof fan frame structure can only install a single model, resulting in installation limitations. Furthermore, it cannot absorb vibration and impact during operation, and dust and impurities can easily enter the fan and damage the blades and structure.

Method used

An adjustable limit plate and protective pad structure were designed, which, combined with a motor-driven moving plate and gear meshing system, enables the fixed installation of different models of fans. Impurities are intercepted by the front ventilation screen and filter cover, and the rubber protective pad absorbs vibration, while the fine filter filters the air.

Benefits of technology

It enables the stable installation of multiple fan models, absorbs vibration and impact, prevents slippage, effectively filters impurities, and protects the internal components of the fan.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223469478U_ABST
    Figure CN223469478U_ABST
Patent Text Reader

Abstract

The utility model discloses an explosion-proof fan convenient to install, and relates to the field of explosion-proof fans, the explosion-proof fan convenient to install comprises a base and an explosion-proof fan shell, the two sides of the base are fixedly provided with supporting frames, the tops of the supporting frames are fixedly provided with two upper limiting plates, and the bottoms of the upper limiting plates are fixedly connected with first protective pads; and guide rail sleeves are fixedly installed at the tops of the two sides of the base, and movable plates are arranged in the guide rail sleeves in a sleeved mode. The explosion-proof fans of different sizes can be fixedly installed through the lower limiting plate and the upper limiting plate, vibration and impact generated during operation of the explosion-proof fans can be effectively absorbed and dispersed through the first protection pad and the second protection pad, meanwhile, the slippage or toppling phenomenon is prevented, and the front ventilation net and the filter cover are arranged, so that the anti-explosion fans of different sizes can be fixedly installed through the front ventilation net and the filter cover. Impurity particles entering the air by the explosion-proof fan can be intercepted and filtered, and are prevented from entering the explosion-proof fan to damage fan blades and internal mechanisms.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion -proof fan, concretely is a kind of explosion -proof fan of easy installation. BACKGROUND

[0002] The explosion -proof fan is a kind of specially designed fan, is specially used in inflammable and explosive environment to ensure safe operation, and is usually applied in explosive dangerous place of petroleum, chemical industry, metallurgy, pharmacy, electronics, aerospace, port, storage and other industries.

[0003] The existing explosion -proof fan when using, since explosion -proof fan itself is an independent equipment, usually needs to be installed in practical application.

[0004] In order to overcome above-mentioned defects, prior art (application number: 202022358515.2, application date is October 21, 2020 Chinese patent) discloses a kind of explosion -proof fan of easy installation, the explosion -proof fan is splicing type structure, user can split the device when transporting the device, increase the transportation efficiency of user, and user does not need to use other external tools when installing machine body, it is convenient for the installation work of user.

[0005] Although prior art can solve the installation of explosion -proof fan, since the size of explosion -proof fan is not one, but the rack mechanism can only be installed to single explosion -proof fan, so that installation has locality, and explosion -proof fan generates vibration and impact when running, cannot effectively absorb vibration and impact, and explosion -proof fan is not provided with filter structure, so that dust and other impurities in outside enter fan interior, easy to cause damage to fan blade and internal mechanism.

[0006] Therefore we propose a kind of explosion -proof fan of easy installation can well solve above problems. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of explosion -proof fan of easy installation to solve the problem that the explosion -proof fan of easy installation in the above background art is used, since the size of explosion -proof fan is not one, but the rack mechanism can only be installed to single explosion -proof fan, so that installation has locality, and explosion -proof fan generates vibration and impact when running, cannot effectively absorb vibration and impact, and explosion -proof fan is not provided with filter structure, so that dust and other impurities in outside enter fan interior, easy to cause damage to fan blade and internal mechanism.

[0008] To achieve the above object, the utility model provides the following technical scheme: A prevent explosion fan convenient to installation, including base and explosion -proof fan casing, both sides of base are fixedly installed with support frame, the top of support frame is fixedly installed with two upper limit plates, the bottom of upper limit plate is fixedly connected with first protective pad,

[0009] Still include: The top of both sides of base is fixedly installed with guide rail cover, the inside of guide rail cover is sleeved with moving plate, the top of moving plate is fixedly installed with connecting seat, the top of connecting seat is fixedly connected with two lower limit plates, the top of lower limit plate is fixedly connected with second protective pad,

[0010] The rear of explosion -proof fan casing is bolted with rear ventilation net, the front of rear ventilation net is provided with fan, and the fan is sleeved in the inner wall of explosion -proof fan casing, a plurality of screw holes are formed in the front of explosion -proof fan casing.

[0011] As the preferred technical scheme of the application, the inner wall of the moving plate is fixedly connected with a plurality of teeth, the top of the base is provided with a double-shaft motor body, the output shaft of the double-shaft motor body is fixedly installed with a rotating rod through a shaft coupling, the outer wall of the rotating rod is sleeved with a gear, and the gear is located in the inner wall of the moving plate.

[0012] As the preferred technical scheme of the application, the teeth and the gear are meshed, and the teeth and the moving plate are tightly fitted. The output shaft of the double-shaft motor body drives the gears connected with the two rotating rods to rotate, so that the gears and the corresponding teeth mesh and rotate.

[0013] As the preferred technical scheme of the application, the moving plate and the guide rail cover are movably connected, the moving plate is arranged in a U-shaped structure, and the moving plate is driven by the teeth to move vertically in the corresponding guide rail cover, so that the two moving plates simultaneously drive the lower limit plates connected with the connecting seat to move upward.

[0014] As the preferred technical scheme of the application, the inner wall of the front of the explosion -proof fan casing is sleeved with a front ventilation net, a plurality of mounting plates are fixedly installed on the outer wall of the front ventilation net, and the mounting plates are located on the front of the explosion -proof fan casing. The inside of the mounting plate penetrates a fastening bolt, and the end of the fastening bolt is inserted into the threaded hole. The rear of the front ventilation net is fixedly connected with a filter cover, and the filter cover is sleeved in the inner wall of the explosion -proof fan casing.

[0015] As the preferred technical scheme of the application, the front ventilation net and the explosion -proof fan casing are detachably connected, the front ventilation net and the filter cover are in communication, and the inside of the filter cover is provided with a fine filter screen. The front ventilation net intercepts impurities such as insects or leaves in the air, and the fine filter screen in the filter cover filters the entering air.

[0016] As the preferred technical scheme of the present application, the fastening bolts are detachably connected with the mounting plate and the threaded holes, and the mounting plate is tightly attached to the front ventilation net, so that the front ventilation net and the filter cover can be disassembled, cleaned or replaced by manually pulling out the fastening bolts.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The explosion-proof fan is fixed and installed on different sizes of explosion-proof fans by the lower limiting plate and the upper limiting plate, and the first protective pad and the second protective pad are arranged to effectively absorb and disperse the vibration and impact generated during the operation of the explosion-proof fan, prevent slipping or toppling, and the front ventilation net and the filter cover are arranged to intercept and filter the impurity particles in the air entering the explosion-proof fan, preventing damage to the fan blades and internal mechanisms.

[0019] 1. The lower limiting plate and the upper limiting plate are arranged, and the double-shaft motor body, the two rotating rods, the gear, the teeth, the moving plate, the guide rail sleeve, the connecting seat, the lower limiting plate and the upper limiting plate are cooperated to fix and install the explosion-proof fan of different sizes.

[0020] Further, the first protective pad and the second protective pad are made of rubber, have elasticity and anti-skid effect, effectively absorb and disperse the vibration and impact generated during the operation of the explosion-proof fan, and prevent slipping or toppling.

[0021] 2. The front ventilation net and the filter cover are arranged, the front ventilation net is arranged to intercept the impurities such as insects or leaves in the air, and the fine filter screen arranged in the filter cover filters the air entering, so as to intercept and filter the impurity particles in the air entering the explosion-proof fan, preventing damage to the fan blades and internal mechanisms.

[0022] Further, the fastening bolts are arranged, the front ventilation net drives the filter cover to move outward and separate from the explosion-proof fan shell by manually pulling out the fastening bolts, so as to disassemble, clean or replace the front ventilation net and the filter cover. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the main structure of the present application;

[0024] Figure 2 It is a schematic diagram of the base and the upper limiting plate of the present application;

[0025] Figure 3 It is a schematic diagram of the moving plate and the lower limiting plate of the present application;

[0026] Figure 4 It is partial structure schematic view of guide rail sleeve and gear of the utility model;

[0027] Figure 5 It is partial structure schematic view of base and fan of the utility model;

[0028] Figure 6 It is partial structure schematic view of front ventilation net of the utility model.

[0029] In the drawing: 1, base;2, explosion-proof fan shell;3, support frame;4, upper limit plate;5, first protective pad;6, guide rail sleeve;7, moving plate;8, gear teeth;9, connecting seat;10, lower limit plate;11, second protective pad;12, double-shaft motor body;13, rotating rod;14, gear;15, threaded hole;16, rear ventilation net;17, fan;18, front ventilation net;19, mounting plate;20, fastening bolt;21, filter cover. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1-6 The utility model provides the following technical scheme:

[0032] Embodiment one: in order to solve the problem that the explosion-proof fan convenient to install in the market has limitations in installation due to the size of the explosion-proof fan, but the rack mechanism can only install single explosion-proof fan, and the vibration and impact generated during the operation of the explosion-proof fan cannot be effectively absorbed, refer to the attached Figure 1 -attached Figure 4, including the base 1 and explosion-proof fan shell 2, both sides of the base 1 is fixedly installed with support frame 3, the top of the support frame 3 is fixedly installed with two upper limit plate 4, the bottom of the upper limit plate 4 is fixedly connected with the first protective pad 5;Still includes: the top of the both sides of the base 1 is fixedly installed with guide rail sleeve 6, the inside of the guide rail sleeve 6 is sleeved with moving plate 7, the top of the moving plate 7 is fixedly installed with connecting seat 9, the top of the connecting seat 9 is fixedly connected with two lower limit plate 10, the top of the lower limit plate 10 is fixedly connected with the second protective pad 11;The inner wall of the moving plate 7 is fixedly connected with a plurality of teeth 8, the top of the base 1 is provided with double shaft motor body 12, the output shaft of the double shaft motor body 12 is fixedly installed with rotating rod 13 through the shaft coupling, the outer wall of the rotating rod 13 is sleeved with gear 14, and the gear 14 is located in the inner wall of the moving plate 7. The engagement between the teeth 8 and the gear 14, the teeth 8 and the moving plate 7 are closely attached. The moving plate 7 and the guide rail sleeve 6 are movably connected, and the moving plate 7 is provided in U-shaped structure.

[0033] The explosion-proof fan shell 2 to be installed is placed on the second protective pad 11 connected by the two lower limit plate 10 by the staff, according to the size of the explosion-proof fan shell 2, the outside control starts the double shaft motor body 12, the output shaft of the double shaft motor body 12 drives the gear 14 connected by the two rotating rods 13 to rotate, so that the gear 14 and the corresponding teeth 8 are engaged and rotated, the teeth 8 drive the moving plate 7 to move vertically in the corresponding guide rail sleeve 6, so that the two moving plates 7 drive the lower limit plate 10 connected by the connecting seat 9 to move upward, so that the lower limit plate 10 drives the installed explosion-proof fan shell 2 to move upward, so that the top of the explosion-proof fan shell 2 is attached to the first protective pad 5 connected by the two upper limit plate 4, so as to fix and install the explosion-proof fan of different sizes, the first protective pad 5 and the second protective pad 11 are made of rubber, which has elastic and anti-skid effect, so as to effectively absorb and disperse the vibration and impact generated by the explosion-proof fan during operation, and prevent slipping or tilting phenomenon.

[0034] Example two: the impurity particles in the air entering the explosion-proof fan can be intercepted and filtered, which can be referred to in the description of the first embodiment Figure 1 and the description of the second embodiment Figure 5 - the description of the third embodiment Figure 6The rear of the explosion-proof fan shell 2 is bolted with a rear ventilation net 16, the front of the rear ventilation net 16 is provided with a fan 17, and the fan 17 is sleeved on the inner wall of the explosion-proof fan shell 2, and a plurality of threaded holes 15 are formed in the front of the explosion-proof fan shell 2. The inner wall of the front of the explosion-proof fan shell 2 is sleeved with a front ventilation net 18, a plurality of mounting plates 19 are fixedly installed on the outer wall of the front ventilation net 18, and the mounting plates 19 are located on the front of the explosion-proof fan shell 2, the inside of the mounting plate 19 penetrates the fastening bolt 20, and the end of the fastening bolt 20 is inserted into the threaded hole 15, and the rear of the front ventilation net 18 is fixedly connected with a filter cover 21, and the filter cover 21 is sleeved on the inner wall of the explosion-proof fan shell 2. The front ventilation net 18 and the explosion-proof fan shell 2 are detachably connected, the front ventilation net 18 and the filter cover 21 are in communication, and the inside of the filter cover 21 is provided with a fine filter screen. The fastening bolt 20 is detachably connected with the mounting plate 19 and the threaded hole 15, and the mounting plate 19 is tightly attached to the front ventilation net 18.

[0035] When the fan 17 in the explosion-proof fan shell 2 is started, the air outside is first passed through the front ventilation net 18, so that the front ventilation net 18 intercepts the impurities such as insects or leaves in the passing air, so that the air passing through the front ventilation net 18 enters the filter cover 21, so that the fine filter screen provided in the filter cover 21 filters the entering air, which is convenient for intercepting and filtering the impurity particles in the air entering the explosion-proof fan, preventing damage to the fan blades and internal mechanisms in the explosion-proof fan. By manually pulling out each fastening bolt 20, the front ventilation net 18 drives the filter cover 21 to move outward and separate from the explosion-proof fan shell 2, so that the front ventilation net 18 and the filter cover 21 are disassembled, cleaned or replaced.

[0036] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A conveniently installed anti-explosion fan, comprising a base (1) and an anti-explosion fan shell (2), both sides of the base (1) are fixedly installed with support frames (3), the top of the support frame (3) is fixedly installed with two upper limiting plates (4), the bottom of the upper limiting plate (4) is fixedly connected with a first protective pad (5); characterized in that Further comprising: The top of the both sides of the base (1) is fixedly installed with a guide rail sleeve (6), the inside of the guide rail sleeve (6) is sleeved with a moving plate (7), the top of the moving plate (7) is fixedly installed with a connecting seat (9), the top of the connecting seat (9) is fixedly connected with two lower limiting plates (10), the top of the lower limiting plate (10) is fixedly connected with a second protective pad (11); The rear of the anti-explosion fan shell (2) is bolted with a rear ventilation net (16), the front of the rear ventilation net (16) is provided with a fan (17), and the fan (17) is sleeved in the inner wall of the anti-explosion fan shell (2), a plurality of threaded holes (15) are formed in the front of the anti-explosion fan shell (2).

2. An explosion-proof fan for easy installation as claimed in claim 1 wherein: The inner wall of the moving plate (7) is fixedly connected with a plurality of teeth (8), the top of the base (1) is provided with a double-shaft motor body (12), the output shaft of the double-shaft motor body (12) is fixedly installed with a rotating rod (13) through a shaft coupling, the outer wall of the rotating rod (13) is sleeved with a gear (14), and the gear (14) is located in the inner wall of the moving plate (7).

3. An explosion-proof fan for easy installation according to claim 2, characterized in that: The teeth (8) and the gear (14) are in meshing connection, and the teeth (8) and the moving plate (7) are in close contact.

4. An explosion-proof fan for easy installation as claimed in claim 1 wherein: The moving plate (7) and the guide rail sleeve (6) are movably connected, and the moving plate (7) is arranged in a U-shaped structure.

5. An explosion-proof fan for easy installation as claimed in claim 1 wherein: The inner wall of the front of the anti-explosion fan shell (2) is sleeved with a front ventilation net (18), a plurality of mounting plates (19) are fixedly installed on the outer wall of the front ventilation net (18), and the mounting plates (19) are located on the front of the anti-explosion fan shell (2), the inside of the mounting plate (19) penetrates a fastening bolt (20), and the end of the fastening bolt (20) is inserted into the threaded hole (15), the rear of the front ventilation net (18) is fixedly connected with a filter cover (21), and the filter cover (21) is sleeved on the inner wall of the anti-explosion fan shell (2).

6. An explosion-proof fan for easy installation according to claim 5, characterized in that: The front ventilation net (18) and the anti-explosion fan shell (2) are detachably connected, the front ventilation net (18) and the filter cover (21) are in communication, and the inside of the filter cover (21) is provided with a fine filter screen.

7. An explosion-proof fan for easy installation as claimed in claim 5 wherein: The fastening bolt (20), the mounting plate (19) and the threaded hole (15) are detachably connected, and the mounting plate (19) and the front ventilation net (18) are in close contact.

Citation Information

Patent Citations

  • Explosion-proof fan convenient to install

    CN214092375U