CN215292926U - Outer rotor centrifugal fan with dampproofing waterproof function - Google Patents

Abstract

The utility model discloses an external rotor centrifugal fan with dampproofing waterproof function, including the fan body, the front of fan body is through the first fixed frame of bolt fixedly connected with. The utility model discloses a first fixed frame, the effect that prevents steam from passing through air intake entering fan body inner chamber has been played, through the fixed frame of second, the effect that prevents steam and pass through air outlet entering fan body inner chamber has been played, through locking mechanism, the effect of being connected the fixed frame of second and fan body has been played, through the clamp piece, the effect of being connected fixed block and connecting block has been played, the purpose of dampproofing and waterproofing function has been realized, the practicality and the usability of device have been improved, user's use experience has been strengthened, it does not possess dampproofing and waterproofing function to have solved the fan on the current market, easily lead to the fan to wet and take place to damage, cause the waste of resource and the loss of property, thereby can't satisfy user's user demand's problem.

Description

Outer rotor centrifugal fan with dampproofing waterproof function

Technical Field

The utility model relates to an external rotor electric machine technical field specifically is an external rotor centrifugal fan with dampproofing waterproof function.

Background

The fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; the main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupling, a silencer, a transmission part (a bearing) and the like.

Fan motor need turn into mechanical energy with the electric energy at the in-process of work, and the fan on the current market does not possess dampproofing waterproof function, easily leads to the fan to wet and takes place to damage, causes the waste of resource and the loss of property to can't satisfy user's user demand.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an external rotor centrifugal fan with dampproofing waterproof function possesses dampproofing waterproof function's advantage, has solved the fan on the current market and has not possessed dampproofing waterproof function, easily leads to the fan to wet and takes place to damage, causes the waste of resource and the loss of property to can't satisfy user's user demand's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an outer rotor centrifugal fan with moisture-proof and waterproof functions comprises a fan body, wherein a first fixing frame is fixedly connected to the front side of the fan body through bolts, a second fixing frame is movably connected to the right side of the fan body, a locking mechanism is arranged on the right side of the top of the fan body, a fixing block is fixedly connected to the top of the second fixing frame, a clamp block is fixedly connected to the left side of the fixing block, a first waterproof breathable net is fixedly connected to the inner cavity of the first fixing frame, the first fixing frame is circular in shape, a second waterproof breathable net is fixedly connected to the inner cavity of the second fixing frame, and the second fixing frame is square in shape;

locking mechanism includes connecting block, ejector pin, pressure spring, fixed cover, stopper and pull rod, the bottom and the fan body fixed connection of connecting block, the surface and the fixed cover sliding connection of ejector pin, the bottom and the stopper fixed connection of fixed cover, one side and the pull rod fixed connection of fixed cover, the pull rod runs through to one side of connecting block.

Preferably, the bottom of one side of the second fixing frame is fixedly connected with a clamping rod, and the bottom of the right side of the fan body is provided with a limiting groove.

Preferably, one side of the connecting block is provided with an opening, and the other side of the connecting block is provided with a through hole.

Preferably, the top of the clamp block is provided with a groove, and the bottom of the fan body is fixedly connected with a supporting leg through a bolt.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a first fixed frame, the effect that prevents steam from passing through air intake entering fan body inner chamber has been played, through the fixed frame of second, the effect that prevents steam and pass through air outlet entering fan body inner chamber has been played, through locking mechanism, the effect of being connected the fixed frame of second and fan body has been played, through the clamp piece, the effect of being connected fixed block and connecting block has been played, the purpose of dampproofing and waterproofing function has been realized, the practicality and the usability of device have been improved, user's use experience has been strengthened, it does not possess dampproofing and waterproofing function to have solved the fan on the current market, easily lead to the fan to wet and take place to damage, cause the waste of resource and the loss of property, thereby can't satisfy user's user demand's problem.

2. The utility model discloses a set up first waterproof ventilative net, an inner chamber for preventing steam from getting into the fan body, through setting up the waterproof ventilative net of second, an inner chamber for preventing steam from getting into the fan body, through setting up kelly and spacing groove, a be used for carrying out better being connected with the fixed frame of second and fan body, through setting up the opening, a use is used to the cooperation pull rod, through setting up the through-hole, a use is used to cooperation stirrup piece, through setting up the recess, a use is used to the cooperation stopper, through setting up the supporting leg, a support is used to the fan body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a second fixing frame of the present invention;

fig. 3 is a schematic structural view of the locking mechanism of the present invention;

fig. 4 is a schematic structural diagram of the connecting block of the present invention.

In the figure: 1. a fan body; 2. a first fixed frame; 3. a second fixed frame; 4. a locking mechanism; 401. connecting blocks; 402. a top rod; 403. a pressure spring; 404. fixing a sleeve; 405. a limiting block; 406. a pull rod; 5. a fixed block; 6. a clamp block; 7. a first waterproof breathable web; 8. a second waterproof breathable net; 9. a clamping rod; 10. an opening; 11. a through hole; 12. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 referred to 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, 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.

Referring to fig. 1-4, an outer rotor centrifugal fan with moisture and water proof functions comprises a fan body 1, a first fixing frame 2 is fixedly connected to the front of the fan body 1 through bolts, a second fixing frame 3 is movably connected to the right side of the fan body 1, a locking mechanism 4 is arranged on the right side of the top of the fan body 1, a fixing block 5 is fixedly connected to the top of the second fixing frame 3, a clamp block 6 is fixedly connected to the left side of the fixing block 5, a first waterproof breathable net 7 is fixedly connected to the inner cavity of the first fixing frame 2, the first fixing frame 2 is circular in shape, and by arranging the first waterproof breathable net 7, the inner cavity of the second fixed frame 3 is fixedly connected with a second waterproof breathable net 8, the second fixed frame 3 is square, the second waterproof breathable net 8 is arranged to prevent water vapor from entering the inner cavity of the fan body 1;

the locking mechanism 4 comprises a connecting block 401, a push rod 402, a pressure spring 403, a fixing sleeve 404, a limiting block 405 and a pull rod 406, the bottom of the connecting block 401 is fixedly connected with the fan body 1, the surface of the push rod 402 is slidably connected with the fixing sleeve 404, the bottom of the fixing sleeve 404 is fixedly connected with the limiting block 405, one side of the fixing sleeve 404 is fixedly connected with the pull rod 406, the pull rod 406 penetrates through one side of the connecting block 401, the effect of preventing water vapor from entering the inner cavity of the fan body 1 through an air inlet is achieved through the first fixing frame 2, the effect of preventing the water vapor from entering the inner cavity of the fan body 1 through an air outlet is achieved through the second fixing frame 3, the effect of connecting the second fixing frame 3 with the fan body 1 is achieved through the locking mechanism 4, the effect of connecting the fixing block 5 with the connecting block 401 is achieved through the clamp block 6, and the purpose of moisture-proof and water-proof functions is achieved, the practicality and the usability of device have been improved, have strengthened user's use and have experienced, have solved the fan on the current market and do not possess dampproofing waterproof function, easily lead to the fan to wet and take place to damage, cause the waste of resource and the loss of property to the problem of the user demand that can't satisfy the user.

In this embodiment, specifically, the bottom fixedly connected with kelly 9 of the fixed frame 3 one side of second, the spacing groove has been seted up to the bottom on fan body 1 right side, through setting up kelly 9 and spacing groove for carry out better being connected with the fixed frame 3 of second and fan body 1.

In this embodiment, specifically, an opening 10 is opened on one side of the connecting block 401, and a through hole 11 is opened on the other side of the connecting block 401, and the connecting block is used in cooperation with the pull rod 406 by setting the opening 10 and used in cooperation with the clamp block 6 by setting the through hole 11.

In this embodiment, it is concrete, and the top of clamp piece 6 is seted up flutedly 12, and bolt fixedly connected with supporting leg is passed through to fan body 1's bottom, through setting up flutedly 12 for cooperate stopper 405 to use, through setting up the supporting leg, be used for supporting fan body 1.

When the fan is used, the first fixing frame 2 is fixed at the air inlet of the fan body 1 through bolts, then the clamping rod 9 at the lower end of the second fixing frame 3 is inserted into the inner cavity of the limiting groove, then the second fixing frame 3 is pushed upwards, then the clamping hoop block 6 at the upper end of the second fixing frame 3 is inserted into the inner cavity of the connecting block 401, the clamping hoop block 6 extrudes the limiting block 405, the limiting block 405 extrudes the fixing sleeve 404, the fixing sleeve 404 extrudes the pressure spring 403, the pressure spring 403 is extruded to generate reverse force, then the limiting block 405 falls into the inner cavity of the groove 12 to limit the clamping hoop block 6, when the second fixing frame 3 needs to be disassembled, the pull rod 406 is lifted, the pull rod 406 drives the fixing sleeve 404 and the limiting block 405 to move upwards, otherwise, the second fixing frame 3 can be disassembled, and the purposes of moisture-proof and water-proof functions are achieved, the problem of fan on the existing market do not possess dampproofing waterproof function, easily lead to the fan to wet and take place to damage, cause the waste of resource and the loss of property to can't satisfy user's user demand is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides an outer rotor centrifugal fan with dampproofing waterproof function, includes fan body (1), its characterized in that: the fan comprises a fan body (1), wherein the front side of the fan body (1) is fixedly connected with a first fixing frame (2) through bolts, the right side of the fan body (1) is movably connected with a second fixing frame (3), the right side of the top of the fan body (1) is provided with a locking mechanism (4), the top of the second fixing frame (3) is fixedly connected with a fixing block (5), the left side of the fixing block (5) is fixedly connected with a clamp block (6), the inner cavity of the first fixing frame (2) is fixedly connected with a first waterproof breathable net (7), the first fixing frame (2) is circular, the inner cavity of the second fixing frame (3) is fixedly connected with a second waterproof breathable net (8), and the second fixing frame (3) is square;

locking mechanism (4) are including connecting block (401), ejector pin (402), pressure spring (403), fixed cover (404), stopper (405) and pull rod (406), the bottom and fan body (1) fixed connection of connecting block (401), the surface and fixed cover (404) sliding connection of ejector pin (402), the bottom and stopper (405) fixed connection of fixed cover (404), one side and pull rod (406) fixed connection of fixed cover (404), pull rod (406) run through to one side of connecting block (401).

2. The external rotor centrifugal fan with moisture and water proof functions as claimed in claim 1, wherein: the bottom fixedly connected with kelly (9) of the fixed frame of second (3) one side, the spacing groove has been seted up to the bottom on fan body (1) right side.

3. The external rotor centrifugal fan with moisture and water proof functions as claimed in claim 1, wherein: an opening (10) is formed in one side of the connecting block (401), and a through hole (11) is formed in the other side of the connecting block (401).

4. The external rotor centrifugal fan with moisture and water proof functions as claimed in claim 1, wherein: the top of the clamp block (6) is provided with a groove (12), and the bottom of the fan body (1) is fixedly connected with supporting legs through bolts.

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