CN212318315U - Centrifugal tunnel axial fan - Google Patents

Abstract

The utility model discloses a centrifugal tunnel axial fan, including fan main part and support, be equipped with the exhaust pipe in the fan main part, and the inside of fan main part has seted up the cavity, lie in the cavity in the fan main part and be equipped with the swivel mount, and fixed mounting has the flabellum on the swivel mount, be equipped with protective structure in the fan main part, fixed mounting has the dust cover on the exhaust pipe, the support includes mounting panel, mounting hole and bracing piece, be provided with connection structure between support and the fan main part. A centrifugal tunnel axial fan, through the dust cover that sets up, can effectually prevent dust, avoid the dust to pass through the fan and the everywhere dances, the dust cover can be dismantled simultaneously, conveniently dismantles the operation, adopts connection structure for can dismantle between fan main part and the support and come, improved the result of use, be convenient for dismantle the fan main part and get off to overhaul, simple structure, the operation convenient and fast that gets up.

Description

Centrifugal tunnel axial fan

Technical Field

The utility model relates to a fan field, in particular to centrifugal tunnel axial fan.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a short form of habit of China for gas compression and gas delivery machinery, and the blower generally comprises a ventilator, a blower and the like. In the use of the fan, a factory and a tunnel are commonly used, wherein the practical fan in the tunnel is used for increasing the air circulation and ensuring the oxygen content in the tunnel, and the fans used in the tunnel are divided into a direct injection type fan and a centrifugal type fan; in current centrifugal fan for tunnel, fan air outlet department simple structure does not have and is used for dirt-proof structure, is unfavorable for preventing dust and uses, and on the fan utilized the support to be fixed in the tunnel simultaneously, but fixed connection between fan and the support was not convenient for dismantle and was overhauld, and the use is got up and is had certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a centrifugal tunnel axial fan can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a centrifugal tunnel axial fan, includes fan main part and support, be equipped with the exhaust pipe in the fan main part, and the inside of fan main part has seted up the cavity, be equipped with the swivel mount in the cavity in the fan main part, and fixed mounting has the flabellum on the swivel mount, be equipped with protective structure in the fan main part, fixed mounting has the dust cover on the exhaust pipe, the support includes mounting panel, mounting hole and bracing piece, be provided with connection structure between support and the fan main part.

Preferably, the rear end of the fan main body is provided with a motor, the motor is provided with a rotating shaft, the rotating shaft is fixedly connected with the rotating frame, and the rotating frame is rotatably connected with the motor through the rotating shaft.

Preferably, the protective structure is provided with a fixing bolt, the fixing bolt is connected to the fan main body, the protective structure is fixed to the fan main body through the fixing bolt, and the protective structure is provided with a protective net.

Preferably, the dust cover includes fixed plate, screw hole, carriage, round hole, dust screen and fastening screw, the fixed plate is fixed in the upper end of exhaust pipe, the screw hole is seted up on the fixed plate, the round hole is fixed in on the carriage, the dust screen is seted up on the carriage, fastening screw's lower extreme passes threaded connection between dust screen and the screw hole.

Preferably, the mounting hole is fixed on the mounting plate, and the support rod is fixed on the inner side of the mounting plate.

Preferably, the connecting structure comprises a first connecting block, a clamping groove, a through hole, a second connecting block, a clamping block, a screw hole and a mounting bolt, the first connecting block is fixed on the supporting rod, the clamping groove is formed in the first connecting block, the through hole is formed in the first connecting block, the clamping block is fixed on the second connecting block, the second connecting block is fixed on the fan main body, the screw hole is formed in the clamping block, and the tail end of the mounting bolt penetrates through the through hole and is in threaded connection with the screw hole.

Compared with the prior art, the utility model discloses following beneficial effect has: this centrifugal tunnel axial fan through the dust cover that sets up, can effectually prevent dust, avoids the dust to pass through the fan and the all around dancing, and the dust cover can be dismantled simultaneously, conveniently dismantles the operation, adopts connection structure for can dismantle between fan main part and the support and come, improved the result of use, be convenient for dismantle the fan main part and get off to overhaul, simple structure, the operation is got up convenient and fast.

Drawings

Fig. 1 is a schematic view of the overall structure of a centrifugal tunnel axial flow fan of the present invention;

fig. 2 is a schematic view of the internal structure of the axial flow fan for centrifugal tunnel of the present invention;

FIG. 3 is a schematic structural view of the dust cover of the axial flow fan in a centrifugal tunnel of the present invention;

fig. 4 is the utility model relates to a structural schematic diagram of centrifugal tunnel axial fan connection structure department.

In the figure: 1. a fan main body; 2. an exhaust duct; 3. a cavity; 4. a rotating frame; 5. a fan blade; 6. a protective structure; 7. a dust cover; 701. a fixing plate; 702. a threaded hole; 703. a connecting frame; 704. a circular hole; 705. a dust screen; 706. fastening screws; 8. mounting a plate; 9. mounting holes; 10. a support bar; 11. a connecting structure; 1101. a first connection block; 1102. a card slot; 1103. a through hole; 1104. a second connecting block; 1105. a clamping block; 1106. a screw hole; 1107. installing a bolt; 12. and (4) a protective net.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a centrifugal tunnel axial flow fan comprises a fan main body 1 and a support, wherein an exhaust duct 2 is arranged on the fan main body 1, a cavity 3 is formed inside the fan main body 1, a rotating frame 4 is arranged in the cavity 3 on the fan main body 1, a fan blade 5 is fixedly arranged on the rotating frame 4, a protective structure 6 is arranged on the fan main body 1, a dust cover 7 is fixedly arranged on the exhaust duct 2, the support comprises an installation plate 8, an installation hole 9 and a support rod 10, and a connecting structure 11 is arranged between the support and the fan main body 1;

the rear end of the fan main body 1 is provided with a motor, the motor is provided with a rotating shaft, the rotating shaft is fixedly connected with a rotating frame 4, and the rotating frame 4 is rotatably connected with the motor through the rotating shaft; the protective structure 6 is provided with a fixing bolt which is connected to the fan main body 1, the protective structure 6 is fixed on the fan main body 1 through the fixing bolt, and the protective structure 6 is provided with a protective net 12; the dust cover 7 comprises a fixing plate 701, a threaded hole 702, a connecting frame 703, a round hole 704, a dust screen 705 and a fastening screw 706, wherein the fixing plate 701 is fixed at the upper end of the exhaust pipe 2, the threaded hole 702 is arranged on the fixing plate 701, the round hole 704 is fixed on the connecting frame 703, the dust screen 705 is arranged on the connecting frame 703, and the lower end of the fastening screw 706 penetrates through the dust screen 705 to be in threaded connection with the threaded hole 702; the mounting hole 9 is fixed on the mounting plate 8, and the support rod 10 is fixed on the inner side of the mounting plate 8; the connecting structure 11 comprises a first connecting block 1101, a clamping groove 1102, a through hole 1103, a second connecting block 1104, a clamping block 1105, a screw hole 1106 and a mounting bolt 1107, wherein the first connecting block 1101 is fixed on the support rod 10, the clamping groove 1102 is arranged on the first connecting block 1101, the through hole 1103 is arranged on the first connecting block 1101, the clamping block 1105 is fixed on the second connecting block 1104, the second connecting block 1104 is fixed on the blower main body 1, the screw hole 1106 is arranged on the clamping block 1105, and the tail end of the mounting bolt 1107 passes through the through hole 1103 and is in threaded connection with the screw hole 1106; through the dust cover 7 that sets up, can effectually prevent dust, avoid the dust to pass through the fan and the all around dancing, dust cover 7 can be dismantled simultaneously, conveniently dismantle the operation, adopt connection structure 11 for can dismantle between fan main part 1 and the support and come, improve the result of use, be convenient for dismantle fan main part 1 and get off to overhaul, simple structure, the operation is got up convenient and fast.

It should be noted that, when the centrifugal tunnel axial flow fan is used, firstly, the bracket is installed, the worker attaches the mounting plate 8 to the fixing seat at the upper end of the tunnel, the bolt passes through the mounting hole 9, the mounting plate 8 is fixed by the bolt, at this time, the support rod 10 is fixed on the mounting plate 8, after the bracket is partially installed, the worker installs the fan main body 1 on the bracket by using the connecting structure 11, during the installation, the worker makes the second connecting block 1104 on the fan main body 1 face upwards, and makes the exhaust pipe 2 on the fan along the tunnel direction, the clamping block 1105 on the second connecting block 1104 is clamped into the clamping groove 1102 on the first connecting block 1101, the through hole 1103 is ensured to correspond to the screw hole 1106, then the mounting bolt 1107 is screwed, so that the tail end of the mounting bolt 1107 is in threaded connection with the screw hole 1106, and then the first connecting block 1101 and the second connecting block are fixed, thus, the fan body 1 is fixed on the bracket through the connecting structure 11, after the fan body 1 is fixed, a worker connects a motor on the fan body 1 to a power supply, the power supply is switched on, the motor starts to work and drives the rotating frame 4 to rotate through the rotating shaft, the rotating frame 4 drives the fan blades 5 to rotate, air inside the cavity 3 is exhausted through the exhaust pipe 2 under the action of the fan blades 5, partial vacuum is formed inside the cavity 3, further, internal and external pressure difference is formed, under the action of the pressure difference, external air enters the cavity 3 through the protective net 12 at the protective structure 6 and then continues to be exhausted through the exhaust pipe 2 under the drive of the fan blades 5, so that the function of air flowing circulation is realized, the air inside the tunnel is in a flowing state, the oxygen content inside the tunnel is ensured to be sufficient, and the protective net 12 can perform effective protection in the use process of the fan, simultaneously dust screen 705 in the dust cover 7 can prevent dust, avoid the flow of dust, if when needing to dismantle dust cover 7, the staff dismantles fastening screw 706 in round hole 704 and the screw hole 702, take off the carriage 703 on the fixed plate 701 can, if when needing to carry out the maintenance of fan, the staff unscrews construction bolt 1107, dismantle fan main part 1 through connection structure 11 can, through the connection structure 11 that sets up, be convenient for carry out the installation dismantlement work of fan, and is simple in operation, high durability and convenient use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A centrifugal tunnel axial fan which is characterized in that: including fan main part (1) and support, be equipped with exhaust pipe (2) on fan main part (1), and the inside of fan main part (1) has seted up cavity (3), be equipped with swivel mount (4) in lieing in cavity (3) on fan main part (1), and fixed mounting has flabellum (5) on swivel mount (4), be equipped with protective structure (6) on fan main part (1), fixed mounting has dust cover (7) on exhaust pipe (2), the support includes mounting panel (8), mounting hole (9) and bracing piece (10), be provided with connection structure (11) between support and fan main part (1).

2. A centrifugal tunnel axial flow fan according to claim 1, characterized in that: the rear end of fan main part (1) is equipped with the motor, is equipped with the pivot on the motor, the pivot with swivel mount (4) fixed connection, and swivel mount (4) rotate with the motor through the pivot and are connected.

3. A centrifugal tunnel axial flow fan according to claim 1, characterized in that: be provided with fixing bolt on protective structure (6), fixing bolt connects on fan main part (1), protective structure (6) are fixed in on fan main part (1) through fixing bolt, and are equipped with protection network (12) on protective structure (6).

4. A centrifugal tunnel axial flow fan according to claim 1, characterized in that: the dust cover (7) comprises a fixing plate (701), a threaded hole (702), a connecting frame (703), a round hole (704), a dust screen (705) and fastening screws (706), the fixing plate (701) is fixed at the upper end of the exhaust pipe (2), the threaded hole (702) is formed in the fixing plate (701), the round hole (704) is fixed on the connecting frame (703), the dust screen (705) is formed in the connecting frame (703), and the lower end of the fastening screws (706) penetrates through the threaded connection between the dust screen (705) and the threaded hole (702).

5. A centrifugal tunnel axial flow fan according to claim 1, characterized in that: the mounting hole (9) is fixed on the mounting plate (8), and the support rod (10) is fixed on the inner side of the mounting plate (8).

6. A centrifugal tunnel axial flow fan according to claim 1, characterized in that: the connecting structure (11) comprises a first connecting block (1101), a clamping groove (1102), a through hole (1103), a second connecting block (1104), a clamping block (1105), a screw hole (1106) and a mounting bolt (1107), wherein the first connecting block (1101) is fixed on the supporting rod (10), the clamping groove (1102) is arranged on the first connecting block (1101), the through hole (1103) is arranged on the first connecting block (1101), the clamping block (1105) is fixed on the second connecting block (1104), the second connecting block (1104) is fixed on the fan main body (1), the screw hole (1106) is arranged on the clamping block (1105), and the tail end of the mounting bolt (1107) penetrates through the through hole (1103) and is in threaded connection with the screw hole (1106).

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