Dust removal structure for air inlet of industrial centrifugal fan

Abstract

The utility model provides an industrial centrifugal fan air inlet dust removal structure which comprises an air inlet body, the air inlet body is used for being connected to the air inlet end of an industrial centrifugal fan, a concave cavity is formed in the air inlet side of the air inlet body, air inlet holes distributed in an array shape are formed in the inner end face of the concave cavity, and a movable rod is transversely arranged in the concave cavity. The two ends of the moving rod are vertically and slidably connected with the inner walls of the left side and the right side of the concave cavity correspondingly, a driving assembly is connected to the air inlet body and used for driving the moving rod to vertically slide relative to the air inlet body, a plurality of bristles are fixed to the rear side of the moving rod, and the rear ends of the bristles abut against the inner end face of the concave cavity. The bristles are used for cleaning dust adsorbed on the air inlet holes; according to the utility model, dust adsorbed on the air inlet holes can be cleaned in a mechanical manner, so that convenience can be brought to dust cleaning, and the dust collector has the advantages of being time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of air inlets of industrial centrifugal fans, and in particular to a dust removal structure of an air inlet of an industrial centrifugal fan. Background Art

[0002] The air inlet is an accessory for fixing on the air inlet end of the industrial centrifugal fan. The air inlet for industrial centrifugal fans currently on the market includes an air inlet body, which is used to be connected to the air inlet end of the industrial centrifugal fan. A concave cavity is provided on the air inlet side of the air inlet body, and air inlet holes distributed in an array are provided on the inner end surface of the concave cavity. During the use of the air inlet, air in the external environment can flow through the air inlet holes and enter the industrial centrifugal fan. However, during the long-term use of the industrial centrifugal fan, a lot of dust will be absorbed at the air inlet holes, so that it needs to be cleaned manually regularly, that is, there are the disadvantages of troublesome dust cleaning, time-consuming and labor-intensive. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an industrial centrifugal fan air inlet dust removal structure, which can clean the dust adsorbed on the air inlet hole in a mechanized manner, thereby facilitating the cleaning of the dust and having the advantages of saving time and effort.

[0004] The utility model provides a dust removal structure for an air inlet of an industrial centrifugal fan, comprising an air inlet body, the air inlet body being used to be connected to the air inlet end of the industrial centrifugal fan, a concave cavity being arranged on the air inlet side of the air inlet body, air inlet holes distributed in an array being arranged on the inner end surface of the concave cavity, a moving rod being arranged transversely in the concave cavity, two ends of the moving rod being respectively vertically slidably connected to the left and right inner walls of the concave cavity, a driving assembly being connected to the air inlet body, the driving assembly being used to drive the moving rod to slide vertically relative to the air inlet body, a plurality of bristles being fixed to the rear side of the moving rod, the rear end of the bristles being abutted against the inner end surface of the concave cavity, and when the moving rod slides vertically, the bristles are used to clean dust adsorbed on the air inlet holes.

[0005] After adopting the above structure, the utility model can drive the moving rod to slide vertically relative to the air inlet body, and when the moving rod slides vertically, the bristles can clean the dust adsorbed on the air inlet hole. That is, the utility model can clean the dust adsorbed on the air inlet hole in a mechanized way, thereby facilitating the cleaning of the dust and having the advantages of saving time and effort.

[0006] In a possible embodiment, sliding rails are vertically fixed on the left and right inner walls of the concave cavity, and sliders are fixed on both ends of the moving rod, and each slider is vertically slidably connected to the sliding rails on the corresponding side; by adopting this structure, the left and right ends of the moving rod can be reliably vertically slidably connected to the sliding rails on the corresponding side through the sliders, that is, the moving rod can be reliably vertically slidably connected to the inner side of the concave cavity.

[0007] In a possible embodiment, the driving assembly includes a servo motor, a screw rod, a nut sleeve and a coupling; the servo motor is fixed on the upper end surface of the air inlet body, the output shaft of the servo motor movably passes through the upper side of the air inlet body and then extends into the concave cavity, a first bearing seat is fixed on the inner top of the concave cavity, and the output shaft of the servo motor is inserted into the first bearing seat; the lower end of the screw rod is rotatably connected to the inner bottom of the concave cavity through the second bearing seat, the upper end of the screw rod movably passes through the moving rod and is transmission-connected to the output shaft of the servo motor through the coupling; the nut sleeve is sleeved on the outside of the screw rod and is threadedly connected to the screw rod, and the upper end of the nut sleeve is fixed to the moving rod; by adopting After using this driving assembly, when the servo motor drives the lead screw to rotate forward via the coupling, the moving rod can move upward relative to the air inlet body under the cooperation of the lead screw and the nut sleeve; when the servo motor drives the lead screw to rotate reversely via the coupling, the moving rod can move downward relative to the air inlet body under the cooperation of the lead screw and the nut sleeve. That is, by adopting the above structure, the moving rod can be reliably moved vertically, and when the moving rod moves vertically, the bristles can clean the dust adsorbed on the air inlet; in addition, the upward movement stroke of the moving rod and the downward movement stroke of the moving rod can be controlled by the number of turns of the lead screw driven by the servo motor.

[0008] In a possible embodiment, the external cover of the servo motor is provided with a rain shield, the lower end of the rain shield is fixed to the upper end surface of the air inlet body, and a sealing ring is embedded between the lower end of the rain shield and the upper end surface of the air inlet body; by adopting this structure, when the air inlet body is installed outdoors, it is possible to prevent rain from wetting the servo motor, thereby preventing damage to the servo motor.

[0009] In a possible embodiment, an annular convex edge is provided on the outer wall of the lower end of the rain shield, and the rain shield is fixed to the upper end surface of the air inlet body by means of a plurality of bolts which are inserted through the annular convex edge and are distributed at circumferential intervals, and the sealing ring is located on the inner side of all the bolts; by adopting this method, the rain shield can be reliably fixed on the upper end surface of the air inlet body, and the sealing ring can reliably prevent rainwater from entering the inner side of the rain shield through the gap between the rain shield and the air inlet body, thereby preventing rainwater from wetting the servo motor, and further preventing damage to the servo motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0011] Figure 2 for Figure 1 The schematic diagram of the structure after the enlargement of A in the middle;

[0012] Figure 3 It is a schematic diagram of the right side structure after the bristles are fixed to the moving rod. DETAILED DESCRIPTION

[0013] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0014] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0015] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0016] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] See also Figure 1-3 As shown, an embodiment of the present application discloses a dust removal structure for an air inlet of an industrial centrifugal fan, including an air inlet body 1, which is used to be connected to the air inlet end of the industrial centrifugal fan, a concave cavity 11 is provided on the air inlet side of the air inlet body 1, and air inlet holes 12 distributed in an array are provided on the inner end surface of the concave cavity 11, a moving rod 2 is horizontally arranged in the concave cavity 11, and the two ends of the moving rod 2 are respectively vertically slidably connected to the left and right inner walls of the concave cavity 11, a driving assembly is connected to the air inlet body 1, and the driving assembly is used to drive the moving rod 2 to slide vertically relative to the air inlet body 1, and a plurality of bristles 3 are fixed to the rear side of the moving rod 2, and the rear end of the bristles 3 abuts against the inner end surface of the concave cavity 11, and when the moving rod 2 slides vertically, the bristles 3 are used to clean dust adsorbed on the air inlet holes 12.

[0018] Slide rails 4 are vertically fixed on the left and right inner walls of the concave cavity 11, and sliders 5 are fixed on both ends of the moving rod 2, and each slider 5 is vertically slidably connected to the slide rail 4 on the corresponding side; by adopting this structure, the left and right ends of the moving rod can be reliably vertically slidably connected to the slide rails on the corresponding side through the sliders, that is, the moving rod can be reliably vertically slidably connected to the inner side of the concave cavity.

[0019] The driving assembly includes a servo motor 61, a screw rod 62, a nut sleeve 63 and a coupling 64; the servo motor 61 is fixed on the upper end surface of the air inlet body 1, and the output shaft of the servo motor 61 movably penetrates the upper side of the air inlet body 1 and then extends into the concave cavity 11, and a first bearing seat 65 is fixed on the inner top of the concave cavity 11, and the output shaft of the servo motor 61 is inserted into the first bearing seat 65; the lower end of the screw rod 62 is rotatably connected to the inner bottom of the concave cavity 11 through the second bearing seat 66, and the upper end of the screw rod 62 movably penetrates the moving rod 2 and is transmission-connected to the output shaft of the servo motor 61 through the coupling 64; the nut sleeve 63 is sleeved on the outside of the screw rod 62 and is threadedly connected to the screw rod 62, and the nut The upper end of the sleeve 63 is fixed to the moving rod 2; by adopting this driving assembly, when the servo motor drives the lead screw to rotate forward via the coupling, the moving rod can move upward relative to the air inlet body under the cooperation of the lead screw and the nut sleeve, and when the servo motor drives the lead screw to rotate reversely via the coupling, the moving rod can move downward relative to the air inlet body under the cooperation of the lead screw and the nut sleeve, that is, by adopting the above structure, the moving rod can be reliably moved vertically, and when the moving rod moves vertically, the bristles can clean the dust adsorbed on the air inlet; in addition, the upward movement stroke of the moving rod and the downward movement stroke of the moving rod can be controlled by the number of turns of the lead screw driven by the servo motor.

[0020] The external cover of the servo motor 61 is provided with a rain shield 7, the lower end of the rain shield 7 is fixed to the upper end surface of the air inlet body 1, and a sealing ring 8 is embedded between the lower end of the rain shield 7 and the upper end surface of the air inlet body 1; by adopting this structure, when the air inlet body is installed outdoors, it can prevent rain from wetting the servo motor, thereby avoiding damage to the servo motor.

[0021] An annular flange 71 is provided on the outer wall of the lower end of the rain shield 7, and the rain shield 7 is fixed to the upper end surface of the air inlet body 1 by a plurality of bolts 9 which are circumferentially spaced and penetrate through the annular flange 71, and the sealing ring 8 is located on the inner side of all the bolts 9; by adopting this method, the rain shield can be reliably fixed on the upper end surface of the air inlet body, and the sealing ring can reliably prevent rainwater from entering the inner side of the rain shield through the gap between the rain shield and the air inlet body, thereby preventing rainwater from wetting the servo motor, and further preventing damage to the servo motor.

[0022] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A dust removal structure for an air inlet of an industrial centrifugal blower, comprising an air inlet body (1), the air inlet body (1) being used to be connected to the air inlet end of the industrial centrifugal blower, a concave cavity (11) being provided on the air inlet side of the air inlet body (1), and air inlet holes (12) distributed in an array are provided on the inner end surface of the concave cavity (11), characterized in that: A moving rod (2) is horizontally arranged in the concave cavity (11), and the two ends of the moving rod (2) are respectively connected to the left and right inner walls of the concave cavity (11) in a vertical sliding manner. The air inlet body (1) is connected to a driving component, and the driving component is used to drive the moving rod (2) to slide vertically relative to the air inlet body (1). A plurality of bristles (3) are fixed to the rear side of the moving rod (2), and the rear end of the bristles (3) abuts against the inner end surface of the concave cavity (11). When the moving rod (2) slides vertically, the bristles (3) are used to clean dust adsorbed on the air inlet hole (12).

2. The dust removal structure for the air inlet of the industrial fan according to claim 1 is characterized in that: Slide rails (4) are vertically fixed on the inner walls of the left and right sides of the cavity (11), and sliders (5) are fixed on both ends of the moving rod (2), and each slider (5) is vertically slidably connected to the slide rail (4) on the corresponding side.

3. The dust removal structure for the air inlet of the industrial fan according to claim 1 or 2, characterized in that: The driving assembly comprises a servo motor (61), a screw rod (62), a nut sleeve (63) and a coupling (64); the servo motor (61) is fixed on the upper end surface of the air inlet body (1); the output shaft of the servo motor (61) movably penetrates the upper side of the air inlet body (1) and then extends into the concave cavity (11); a first bearing seat (65) is fixed on the inner top of the concave cavity (11), and the output shaft of the servo motor (61) is inserted into the first bearing seat (65); the lower end of the screw rod (62) is rotatably connected to the inner bottom of the concave cavity (11) through a second bearing seat (66); the upper end of the screw rod (62) movably penetrates the moving rod (2) and then is transmission-connected to the output shaft of the servo motor (61) through the coupling (64); the nut sleeve (63) is sleeved on the outside of the screw rod (62) and is threadedly connected to the screw rod (62); the upper end of the nut sleeve (63) is fixed to the moving rod (2).

4. The dust removal structure for the air inlet of the industrial fan according to claim 3 is characterized in that: The outer cover of the servo motor (61) is provided with a rain shield (7), the lower end of the rain shield (7) is fixed to the upper end surface of the air inlet body (1), and a sealing ring (8) is embedded between the lower end of the rain shield (7) and the upper end surface of the air inlet body (1).

5. The dust removal structure for the air inlet of the industrial fan according to claim 4 is characterized in that: An annular convex edge (71) is provided on the outer wall of the lower end of the rain shield (7), and the rain shield (7) is fixed to the upper end surface of the air inlet body (1) by means of a plurality of bolts (9) which are arranged in a circumferentially spaced relationship and penetrate through the annular convex edge (71), and the sealing ring (8) is located on the inner side of all the bolts (9).

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