Improved adjustable centrifugal fan

Abstract

The utility model provides an improved adjustable centrifugal fan which comprises a mounting plate, and a working motor is mounted on the right side of the mounting plate through bolts. Mounting shells are mounted on left bolts of the mounting plates; a dismounting cover is mounted at the left end of the mounting shell through bolts; a PLC is mounted at the front part of the right side of the mounting plate through bolts; a support detection base structure is mounted at the lower end of the mounting plate; and an air outlet adjusting rotating cylinder structure is supported at the upper end of the mounting shell. Through the arrangement of the supporting detection base structure, vibration detection is carried out on the installation position, and the situation that the fastening performance and use are affected after the installation position is loosened is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation equipment, and in particular relates to an improved adjustable centrifugal fan. Background Art

[0002] An adjustable centrifugal fan is an apparatus installed in a required environment, which uses rotating fan blades to guide air into a specified environment. A traditional adjustable centrifugal fan includes a body, an inner wall of the body is provided with a centrifugal fan, a first motor is fixedly connected to the side of the centrifugal fan, a ventilation seat is clamped on the side of the body, an annular groove is provided on the side of the ventilation seat, a fixed seat is fixedly connected to the side of the ventilation seat, a rotating device is slidably connected in the annular groove, and the applicability of the centrifugal fan is improved, but the direction of the air outlet is limited, which is not convenient for flexible air outlet use, and the installation place is not convenient for vibration inspection when it is loose, and it is easy to work for a long time and cause the installation place to be damaged, affecting the use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an improved adjustable centrifugal fan, which realizes vibration detection at the installation site, thereby facilitating inspection and maintenance of the installation site and enabling the air outlet to be flexibly and multi-directionally adjusted for use.

[0004] The technical solution is as follows: an improved adjustable centrifugal fan, including a mounting plate, a working motor is installed with bolts on the right side of the mounting plate; a mounting shell is installed with bolts on the left side of the mounting plate; a disassembly cover is installed with bolts on the left end of the mounting shell; a PLC is installed with bolts on the front right side of the mounting plate; a supporting and detecting base structure is installed at the lower end of the mounting plate; an air outlet regulating rotating cylinder structure is supported at the upper end of the mounting shell, and is characterized in that the supporting and detecting base structure includes an assembling shell, a mounting seat is welded around the lower inside of the assembling shell; a vibration sensor is installed with bolts on the inner wall of the mounting seat; and an anti-slip pad is installed with bolts on the inner side of the mounting seat.

[0005] Preferably, a plurality of mounting seats are provided inside the assembly shell, and threaded holes are provided inside.

[0006] Preferably, the anti-slip pad is a rubber pad and is connected via a mounting seat.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] In the utility model, the arrangement of the assembly shell and the mounting seat is used in conjunction with the device for installation.

[0009] In the utility model, the anti-skid pad is provided to provide anti-skid protection after installation.

[0010] In the utility model, the vibration sensor is provided to perform vibration detection on the installation location to prevent the installation location from becoming loose and affecting the tightness and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the support and detection base structure of the utility model.

[0013] Figure 3 It is a structural schematic diagram of the air outlet regulating rotating cylinder structure of the utility model.

[0014] In the figure:

[0015] 1. Mounting plate; 2. Working motor; 3. Mounting shell; 4. Disassembly cover; 5. PLC; 6. Support and detection base structure; 61. Assembly shell; 62. Mounting seat; 63. Anti-slip pad; 64. Vibration sensor; 7. Air outlet adjustment rotating cylinder structure; 71. Air outlet cylinder; 72. Upper support ring; 73. Movable hose; 74. Lower support ring; 75. Adjustment plate. DETAILED DESCRIPTION

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

[0017] Example:

[0018] As attached Figure 1 As shown, an improved adjustable centrifugal fan comprises a mounting plate 1, a working motor 2 is bolted on the right side of the mounting plate 1; a mounting shell 3 is bolted on the left side of the mounting plate 1; a disassembly cover 4 is bolted on the left end of the mounting shell 3; a PLC 5 is bolted on the front right side of the mounting plate 1; a supporting detection base structure 6 is installed on the lower end of the mounting plate 1; and an air outlet regulating rotating cylinder structure 7 is supported on the upper end of the mounting shell 3.

[0019] As attached Figure 2 As shown, in the above embodiment, specifically, the supporting detection base structure 6 includes an assembling shell 61, and a mounting seat 62 is welded around the lower part of the inside of the assembling shell 61; a vibration sensor 64 is bolted to the inner wall of the mounting seat 62; an anti-slip pad 63 is bolted to the inner side of the mounting seat 62; during operation, the vibration sensor 64 inside the assembling shell 61 detects the vibration of the mounting seat 62.

[0020] As attached Figure 3As shown, in the above embodiment, specifically, the air outlet adjustment rotating cylinder structure 7 includes an air outlet cylinder 71, and an upper support ring 72 is welded on the outer wall of the air outlet cylinder 71; a movable hose 73 is glued to the lower end of the upper support ring 72; a lower support ring 74 is glued to the lower end of the movable hose 73; an adjustment plate 75 is bolted on the outer walls of the lower support ring 74 and the upper support ring 72; the lower support ring 74 and the movable hose 73 at the upper end of the rotating mounting shell 3 reach a suitable angle, and then the movable hose 73 is bent to drive the air outlet cylinder 71 to reach a suitable angle, and then the upper support ring 72, the lower support ring 74 and the bolts inside the adjustment plate 75 are tightened to complete the adjustment.

[0021] In the above embodiment, specifically, the vibration sensor 64 is supported on the inner side of the assembly shell 61 through the mounting seat 62 to perform vibration detection on the mounting location, so as to facilitate the inspection of the mounting location to avoid damage caused by looseness and thus affect the use.

[0022] In the above embodiment, specifically, the movable hose 73 at the lower end of the air outlet 71 is movably supported on the upper end of the mounting shell 3 through the lower support ring 74, and a cylindrical head is provided at the upper end of the mounting shell 3, and a plurality of threaded holes are opened on the upper part of the outer wall of the cylindrical head. The outer wall of the cylindrical head at the upper end of the mounting shell 3 is sleeved with the lower support ring 74, and the connection between the mounting shell 3 and the lower support ring 74 is fixed by bolts at the same time, so as to cooperate with the rotation adjustment of the air outlet 71.

[0023] In the above embodiment, specifically, a long hole is opened on the upper side of the adjustment plate 75, and the bolts of the upper support ring 72 are inserted inside, so that the angle of the air outlet tube 71 can be adjusted flexibly and at multiple angles and used accordingly to discharge air.

[0024] In the above embodiment, specifically, the working motor 2 is electrically connected to the PLC5, the vibration sensor 64 is electrically connected to the PLC5, and the front end of the PLC5 is electrically connected to a switch and a buzzer.

[0025] How it works

[0026] The working principle of the utility model is as follows: when installed in a specified environment for ventilation, first rotate the lower support ring 74 and the movable hose 73 at the upper end of the mounting shell 3 to a suitable angle, then bend the movable hose 73 to drive the air outlet tube 71 to a suitable angle, and then tighten the upper support ring 72, the lower support ring 74 and the bolts inside the adjustment plate 75 to complete the adjustment. After the initial adjustment, the disassembly cover 4 and the air outlet tube 71 are connected to different air inlet and outlet ducts, so that the working motor 2 will drive the fan blades inside the mounting shell 3 to rotate when working to realize ventilation. During the operation, the vibration sensor 64 inside the assembly shell 61 detects the vibration of the mounting base 62. When it is large, it cooperates with the PLC5 to issue an alarm for inspection and maintenance.

[0027] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An improved adjustable centrifugal fan, comprising a mounting plate (1), a working motor (2) being bolted on the right side of the mounting plate (1); a mounting shell (3) being bolted on the left side of the mounting plate (1); a disassembly cover (4) being bolted on the left end of the mounting shell (3); a PLC (5) being bolted on the front right side of the mounting plate (1); a supporting detection base structure (6) being installed on the lower end of the mounting plate (1); and an air outlet adjusting rotating cylinder structure (7) being supported on the upper end of the mounting shell (3), characterized in that: The support detection base structure (6) comprises an assembly shell (61), wherein a mounting seat (62) is welded around the lower inner periphery of the assembly shell (61); a vibration sensor (64) is boltedly mounted on the inner wall of the mounting seat (62); and an anti-slip pad (63) is boltedly mounted on the inner side of the mounting seat (62).

2. The improved regulating centrifugal fan according to claim 1, characterized in that: The air outlet regulating rotating cylinder structure (7) comprises an air outlet cylinder (71), an upper support ring (72) is welded on the outer wall of the air outlet cylinder (71); a movable hose (73) is glued to the lower end of the upper support ring (72); a lower support ring (74) is glued to the lower end of the movable hose (73); and an adjustment plate (75) is bolted to the outer walls of the lower support ring (74) and the upper support ring (72).

3. The improved regulating centrifugal fan according to claim 1, characterized in that: A plurality of mounting seats (62) are provided inside the assembly shell (61), and threaded holes are provided inside the mounting seats (62).

4. The improved regulating centrifugal fan according to claim 1, characterized in that: The anti-slip pad (63) is a rubber pad and is connected via a mounting seat (62). The vibration sensor (64) is supported on the inner side of the assembly shell (61) via the mounting seat (62).

5. The improved regulating centrifugal fan according to claim 2, characterized in that: The movable hose (73) at the lower end of the air outlet tube (71) is movably supported on the upper end of the mounting shell (3) through a lower support ring (74); a cylindrical head is provided at the upper end of the mounting shell (3), and a plurality of threaded holes are provided on the upper part of the outer wall of the cylindrical head; the outer wall of the cylindrical head at the upper end of the mounting shell (3) is sleeved with the lower support ring (74), and the mounting shell (3) and the lower support ring (74) are fixed at the connection by bolts.

6. The improved regulating centrifugal fan according to claim 2, characterized in that: The upper side of the adjusting plate (75) is provided with a long hole, and the bolts of the upper supporting ring (72) are inserted into the hole.

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