Motor rear-in type water-proof and oil-smoke-proof pipeline fan

Abstract

The utility model discloses a motor rear-in type waterproof and lampblack-proof pipeline fan, which relates to the technical field of pipeline fans, and comprises a fan bracket, and a front wind scooper and a rear wind scooper which are respectively connected with two sides of the fan bracket, the axis of the fan support extends towards one side of the front wind scooper to form a first supporting body, the first supporting body is of a hollow structure with one open end and one closed end, the open end of the first supporting body faces one side of the rear wind scooper, a containing groove is formed in the open end of the first supporting body, and the first supporting body is coaxially sleeved with a magnetic ring. The magnet ring is coaxially sleeved with fan blades, a motor stator is arranged in the containing groove, a rear cover used for sealing and covering the motor stator is connected to an opening of the containing groove, and waterproof glue is arranged in the containing groove. According to the utility model, the problem that most pipeline fans in the prior art do not have waterproof and oil smoke-proof functions, so that the pipeline fans cannot stably work for a long time in a humid environment with relatively large water vapor or relatively large oil smoke can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline fans, and in particular to a motor rear-entry waterproof and oil fume proof pipeline fan. Background Art

[0002] At present, duct fans are a kind of ventilation equipment widely used in industrial plants, buildings, indoor ventilation or duct pressurization. At present, most of the duct fans in the existing technology do not have waterproof and oil fume functions, which makes them unable to work stably for a long time in a humid, vaporous or oil fume-rich environment.

[0003] Therefore, the existing technology still needs to be improved and developed. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present utility model is to provide a motor rear-entry waterproof and oil fume proof duct fan, aiming to solve the problem that most duct fans in the prior art do not have waterproof and oil fume proof functions, resulting in their inability to work stably for a long time in a humid, vapor-rich or oil fume-rich environment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A motor rear-entry waterproof and oil fume proof duct fan, comprising a fan bracket, and a front air guide cover and a rear air guide cover respectively connected to two sides of the fan bracket;

[0007] A first support body is formed at the axis of the fan bracket and extends toward the side of the front wind guide cover. The first support body is a hollow structure with one end open and the other end closed. The open end of the first support body faces the side of the rear wind guide cover, and a receiving groove is formed in the open end of the first support body. A magnetic ring is coaxially sleeved outside the first support body, and a fan blade is coaxially sleeved outside the magnetic ring. A motor stator is arranged in the receiving groove, and a back cover for sealing the motor stator is connected to the opening of the receiving groove. The receiving groove is provided with waterproof glue.

[0008] In a further technical solution, the motor rear-entry waterproof and oil fume-proof duct fan, wherein the axis of the bottom of the first support body extends toward the side of the rear air guide cover to form a second support body, the second support body is a hollow structure with one end open and the other end closed, and the open end of the second support body faces the side of the front air guide cover, a shaft cavity is formed in the open end of the second support body, and the motor stator is coaxially sleeved on the second support body;

[0009] A rotating shaft is arranged at the axis center of the fan blade, and one end of the rotating shaft near the rear air guide cover is connected to the cavity wall of the rotating shaft cavity through a first bearing, and one end of the rotating shaft away from the rear air guide cover is connected to the cavity wall of the rotating shaft cavity through a second bearing.

[0010] In a further technical solution, the motor rear-entry waterproof and oil fume proof duct fan is provided with a buckle ring for fixing the first bearing on the outer periphery of the rotating shaft near one end of the rear air guide cover.

[0011] In a further technical solution, the motor rear-entry waterproof and oil fume proof duct fan, wherein the fan bracket is provided with a power cord connected to the motor stator, and the power cord is installed on the fan bracket through a wire clip.

[0012] In a further technical solution, the motor rear-entry waterproof and oil fume proof duct fan, wherein the fan bracket is provided with a speed regulating interface connected to the motor stator, and the speed regulating interface is connected to a speed regulator via a wire.

[0013] Compared with the prior art, the utility model provides a motor rear-entry waterproof and oil fume proof duct fan, which includes a fan bracket, and a front air duct and a rear air duct connected to both sides of the fan bracket respectively; the axis of the fan bracket extends to one side of the front air duct to form a first support body, the first support body is a hollow structure with one end open and the other end closed, the open end of the first support body faces the side of the rear air duct, and a receiving groove is formed in the open end of the first support body, the first support body is coaxially sleeved with a magnetic ring outside, the magnetic ring is coaxially sleeved with a fan blade, a motor stator is arranged in the receiving groove, a rear cover for sealing the motor stator is connected to the opening of the receiving groove, and a waterproof glue is arranged in the receiving groove. In this way, the motor rear-entry waterproof and oil fume proof duct fan provided by the utility model can solve the problem that most duct fans in the prior art do not have waterproof and oil fume proof functions, which makes them unable to work stably for a long time in a humid environment with large water vapor or large oil fume. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The present invention is a schematic diagram of an exploded view of a motor rear-entry waterproof and oil fume proof duct fan provided in an embodiment of the present invention.

[0016] Figure 2 A schematic structural diagram of a motor rear-entry waterproof and oil fume proof duct fan provided in an embodiment of the utility model.

[0017] Figure 3 A cross-sectional view of a motor rear-entry waterproof and oil fume proof duct fan provided in an embodiment of the utility model.

[0018] Figure 4 for Figure 3 A magnified schematic diagram of center A. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connected" 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, an electrical connection, or an electrical signal connection (meaning that there is both an electrical connection and a signal connection between the two); it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. When a component is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other component or there can also be a central component. When a component is considered to be "connected" to another element, it can be directly connected to the other element or there may be a central element at the same time. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] In the description of the present utility model, the terms "include", "including", "have", "contain", etc. are all open terms, which mean including but not limited to. The descriptions with reference to the terms "one embodiment", "a specific embodiment", "some embodiments", "for example", etc. mean that the specific features, structures or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. The order of steps involved in each embodiment is used to schematically illustrate the implementation of the present application, and the order of steps is not limited and can be adjusted appropriately as needed.

[0023] Various non-limiting embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] See also Figure 1-Figure 4 The embodiment of the utility model provides a motor rear-entry waterproof and oil fume proof duct fan, which includes a fan bracket 1, and a front air guide cover 2 and a rear air guide cover 3 respectively connected to both sides of the fan bracket 1;

[0025] A first support body 11 is formed at the axis of the fan bracket 1 and extends toward the side of the front air duct 2. The first support body 11 is a hollow structure with one end open and the other end closed. The open end of the first support body 11 faces the side of the rear air duct 3, and a receiving groove 12 is formed in the open end of the first support body 11. A magnetic ring 4 is coaxially sleeved outside the first support body 11, and a fan blade 5 is coaxially sleeved outside the magnetic ring 4. A motor stator 6 is arranged in the receiving groove 12. A rear cover 7 for sealing the motor stator 6 is connected to the opening of the receiving groove 12, and waterproof glue is arranged in the receiving groove 12.

[0026] During specific implementation, in this embodiment, after the motor stator 6 is installed into the accommodating groove 12 from one side of the rear air guide cover 3, waterproof glue is directly arranged in the accommodating groove 12, and the motor stator 6 is sealed by the rear cover 7 to achieve sealing; in this way, the motor stator 6 can be isolated from the outside air, so that its electrical part cannot contact with the external water vapor and / or oil smoke, and a good sealing and waterproof and oil smoke proof effect can be achieved.

[0027] Further, the motor rear-entry waterproof and oil fume proof duct fan, wherein the bottom of the first support body 11 (i.e., the end wall of the first support body 11 near one end of the front air duct 2) is provided with a second support body 13 extending toward one side of the rear air duct 3 at the axis center, the second support body 13 is a hollow structure with one end open and the other end closed, and the open end of the second support body 13 faces the side of the front air duct 2, a rotating shaft cavity 14 is formed in the open end of the second support body 13, and the motor stator 6 is coaxially sleeved on the second support body 13;

[0028] A rotating shaft 81 is arranged at the axis of the fan blade 5, and the end of the rotating shaft 81 near the rear air guide cover 3 is connected to the cavity wall of the rotating shaft cavity 14 through a first bearing 82, and the end of the rotating shaft 81 away from the rear air guide cover 3 is connected to the cavity wall of the rotating shaft cavity 14 through a second bearing 83.

[0029] Furthermore, in the motor rear-entry waterproof and oil fume proof duct fan, a retaining ring 84 for fixing the first bearing 82 is provided on the outer periphery of the rotating shaft 81 near the rear air guide cover 3 .

[0030] Furthermore, in the motor rear-entry waterproof and oil fume proof duct fan, a power cord 85 connected to the motor stator 6 is provided on the fan bracket 1, and the power cord 85 is installed on the fan bracket 1 through a wire buckle 86.

[0031] Furthermore, in the motor rear-entry waterproof and oil fume proof duct fan, a speed regulating interface 87 connected to the motor stator 6 is provided on the fan bracket 1, and a speed regulator 88 is connected to the speed regulating interface 87 via a wire.

[0032] To sum up, the motor rear-entry waterproof and oil fume proof duct fan provided by the utility model can solve the problem that most duct fans in the prior art do not have the waterproof and oil fume proof functions, resulting in their inability to work stably for a long time in a humid, vaporous or oil fume-filled environment; that is, the utility model can isolate the motor stator from the outside air, so that its electrical part cannot contact the external water vapor and / or oil fume, and can achieve a good sealing, waterproof and oil fume proof effect, which can extend the service life of the equipment and ensure the safety of equipment use.

[0033] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0034] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be understood that the application of the utility model is not limited to the above-mentioned examples, and those skilled in the art can make improvements or changes according to the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A motor rear-entry waterproof and oil fume proof duct fan, characterized in that: It comprises a fan support (1), and a front air guide cover (2) and a rear air guide cover (3) respectively connected to two sides of the fan support (1); A first support body (11) is formed at the axis of the fan bracket (1) and extends toward the side of the front air duct (2). The first support body (11) is a hollow structure with one end open and the other end closed. The open end of the first support body (11) faces the side of the rear air duct (3), and a receiving groove (12) is formed in the open end of the first support body (11). A magnetic ring (4) is coaxially sleeved outside the first support body (11), and a fan blade (5) is coaxially sleeved outside the magnetic ring (4). A motor stator (6) is arranged in the receiving groove (12). A rear cover (7) for sealing the motor stator (6) is connected to the opening of the receiving groove (12), and a waterproof glue is arranged inside the receiving groove (12).

2. The motor rear-entry waterproof and oil fume proof duct fan according to claim 1 is characterized in that: A second support body (13) is formed at the axis center of the bottom of the first support body (11) extending toward the side of the rear air scoop (3); the second support body (13) is a hollow structure with one end open and the other end closed, and the open end of the second support body (13) faces the side of the front air scoop (2); a rotating shaft cavity (14) is formed in the open end of the second support body (13), and the motor stator (6) is coaxially sleeved on the second support body (13); A rotating shaft (81) is arranged at the axis of the fan blade (5); an end of the rotating shaft (81) close to the rear air guide cover (3) is connected to the cavity wall of the rotating shaft cavity (14) via a first bearing (82); and an end of the rotating shaft (81) away from the rear air guide cover (3) is connected to the cavity wall of the rotating shaft cavity (14) via a second bearing (83).

3. The motor rear-entry waterproof and oil fume proof duct fan according to claim 2 is characterized in that: A buckle ring (84) for fixing the first bearing (82) is provided on the outer periphery of one end of the rotating shaft (81) close to the rear air guide cover (3).

4. The motor rear-entry waterproof and oil fume proof duct fan according to claim 3 is characterized in that: The fan bracket (1) is provided with a power line (85) connected to the motor stator (6), and the power line (85) is installed on the fan bracket (1) via a wire buckle (86).

5. The motor rear-entry waterproof and oil fume proof duct fan according to claim 4 is characterized in that: The fan bracket (1) is provided with a speed regulating interface (87) connected to the motor stator (6), and the speed regulating interface (87) is connected to a speed regulator (88) via a wire.

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