Novel flow guide fan

Abstract

The utility model discloses a novel flow guide fan which comprises a machine shell, a blade cover is arranged in the machine shell, a plurality of fan blades are fixedly connected to the outer surface of the blade cover, a plurality of first curve strips are fixedly connected to the outer surface of each fan blade, two sets of fixing grooves are formed in the front face of the machine shell, and the first curve strips are fixedly connected to the first curve strips. Second curve strips are fixedly connected to the inner walls of the two sets of fixing grooves correspondingly, a supporting plate is arranged in the machine shell, a motor is fixedly installed on the front face of the supporting plate, a connecting base is fixedly installed at the output end of the motor, a connecting shell is fixedly installed on the front face of the connecting base, and a plurality of supports are fixedly connected to the inner wall of the machine shell. The side faces, close to each other, of the supports are fixedly connected with the outer surface of the supporting plate. According to the flow guide fan, the first curve strips represented by the fan blades are matched with the second curve strips at the fixing grooves, so that air draft is more concentrated and powerful, and the flow guide and air draft performance of the flow guide fan in the using process is improved.

Description

Technical Field

[0001] The utility model relates to the field of flow guide fans, in particular to a novel flow guide fan. Background Art

[0002] The guide fan is generally composed of a casing, an electric motor, an impeller and blades. The guide blades are radially distributed along the circumference of the impeller hub. During the use of the guide fan, the function of the guide blades is to rotate the deflected airflow generated by the rotation of the impeller back to the axial direction, so as to achieve the purpose of improving the working efficiency of the guide fan.

[0003] However, the current guide fan has a poor air guide and exhaust effect during use. After the fan blades are started, the exhaust will be disorderly and unfocused, affecting the air guide effect. Therefore, we propose a new guide fan to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a novel flow-guiding fan to solve the problems raised in the above-mentioned background technology.

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

[0006] A novel air guide fan comprises a casing, wherein a blade cover is arranged inside the casing, a plurality of blades are fixedly connected to the outer surface of the blade cover, a plurality of first curved lines are fixedly connected to the outer surface of each of the blades, two groups of fixed grooves are arranged on the front side of the casing, the inner walls of the two groups of fixed grooves are fixedly connected to second curved lines, a support plate is arranged inside the casing, a motor is fixedly installed on the front side of the support plate, a connecting seat is fixedly installed on the output end of the motor, and a connecting shell is fixedly installed on the front side of the connecting seat.

[0007] In a further embodiment, a plurality of brackets are fixedly connected to the inner wall of the housing, and a side surface of each of the brackets close to each other is fixedly connected to the outer surface of the support plate.

[0008] In a further embodiment, a plurality of first mounting holes are formed on the back side of the housing, and a plurality of second mounting holes are formed on the front side of the housing.

[0009] In a further embodiment, a plurality of groups of recessed holes are formed on the outer surface of the housing, and two installation indicating grooves are formed on the outer surface of the housing.

[0010] In a further embodiment, the blade cover is fixedly mounted on the front side of the connecting shell, and the blade cover is located inside the shell.

[0011] In a further embodiment, a threading hole is provided on the back side of the support plate, and the threading hole is located on the right side of the motor.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The guide fan is provided with a connecting seat, a connecting shell and a blade cover, so that the fan blades can be quickly installed inside the casing, and the first curved line shown by the fan blades is utilized, and at the same time, the cooperation with the second curved line at the fixing groove will make the exhaust more concentrated and powerful, and can achieve a multiplied effect of similar fan blades, thereby improving the air guide and exhaust performance of the guide fan during use, solving the problem of disorderly and unconcentrated exhaust after the fan blades are started, and ensuring the air guide effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the front view of the new guide fan.

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the rear view of the new guide fan.

[0016] Figure 3 A sectional view of the side view of a new guide fan.

[0017] Figure 4 New guide fan Figure 3 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0018] In the figure: 1, casing; 2, blade cover; 3, fan blade; 4, first curved line; 5, fixing groove; 6, bracket; 7, support plate; 8, connecting shell; 9, connecting seat; 10, motor; 11, threading hole; 12, first mounting hole; 13, second mounting hole; 14, recessed hole; 15, mounting indicator groove; 16, second curved line. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 In the utility model, the novel air guide fan comprises a casing 1, a blade cover 2 is arranged inside the casing 1, a plurality of blades 3 are fixedly connected to the outer surface of the blade cover 2, a plurality of first curved strips 4 are fixedly connected to the outer surface of each blade 3, two groups of fixing grooves 5 are arranged on the front of the casing 1, the inner walls of the two groups of fixing grooves 5 are fixedly connected to the second curved strips 16, a support plate 7 is arranged inside the casing 1, a motor 10 is fixedly installed on the front of the support plate 7, a connecting seat 9 is fixedly installed on the output end of the motor 10, a connecting shell 8 is fixedly installed on the front of the connecting seat 9, and the fan blades 3 can be quickly assembled inside the casing 1 through the arrangement of the connecting seat 9, the connecting shell 8 and the blade cover 2.

[0022] In a further embodiment, a plurality of brackets 6 are fixedly connected to the inner wall of the casing 1, and a side surface of each bracket 6 close to each other is fixedly connected to the outer surface of the support plate 7. A plurality of first mounting holes 12 are provided on the back of the casing 1, and a plurality of second mounting holes 13 are provided on the front of the casing 1. By providing a plurality of brackets 6, the support plate 7 and the motor 10 can be stably supported, and the first mounting holes 12 and the second mounting holes 13 are utilized to facilitate installation and fixation of the casing 1.

[0023] In a further embodiment, a plurality of groups of recessed holes 14 are provided on the outer surface of the casing 1, two installation indicating grooves 15 are provided on the outer surface of the casing 1, the blade cover 2 is fixedly installed on the front of the connecting shell 8, the blade cover 2 is located inside the casing 1, and a threading hole 11 is provided on the back of the support plate 7, and the threading hole 11 is located on the right side of the motor 10. The setting of the recessed holes 14 facilitates the taking of the casing 1, and the installation indicating grooves 15 can be used to indicate the installation direction of the fan. The threading hole 11 can be used to allow the power cord to be flexibly inserted and exited, so as to facilitate the connection with the motor 10.

[0024] The working principle of the utility model is: first, the casing 1 is installed through the first mounting hole 12 and the second mounting hole 13, and then the motor 10 is connected to the power supply. Then, the rotation of the motor 10 will drive the connecting seat 9, the connecting shell 8 and the blade cover 2 to rotate, and at the same time, the fan blades 3 on the surface of the blade cover 2 will also rotate. Through the second curved strip 16 on the fixing groove 5 and in conjunction with the first curved strip 4 on the fan blade 3, the fan can be more concentrated and powerful when exhausting air.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. New guide fan, characterized by: The invention comprises a casing (1), wherein a blade cover (2) is provided inside the casing (1), a plurality of blades (3) are fixedly connected to the outer surface of the blade cover (2), a plurality of first curved lines (4) are fixedly connected to the outer surface of each of the blades (3), two groups of fixed grooves (5) are provided on the front of the casing (1), the inner walls of the two groups of fixed grooves (5) are fixedly connected to second curved lines (16), a support plate (7) is provided inside the casing (1), a motor (10) is fixedly mounted on the front of the support plate (7), a connecting seat (9) is fixedly mounted on the output end of the motor (10), and a connecting shell (8) is fixedly mounted on the front of the connecting seat (9).

2. The novel guide fan according to claim 1 is characterized in that: A plurality of brackets (6) are fixedly connected to the inner wall of the housing (1), and a side surface of each bracket (6) close to each other is fixedly connected to the outer surface of the support plate (7).

3. The novel guide fan according to claim 1 is characterized in that: The back side of the housing (1) is provided with a plurality of first mounting holes (12), and the front side of the housing (1) is provided with a plurality of second mounting holes (13).

4. The novel guide fan according to claim 1 is characterized in that: The outer surface of the housing (1) is provided with a plurality of groups of recessed holes (14), and the outer surface of the housing (1) is provided with two installation indicating grooves (15).

5. The novel guide fan according to claim 1 is characterized in that: The blade cover (2) is fixedly mounted on the front side of the connecting shell (8), and the blade cover (2) is located inside the casing (1).

6. The novel guide fan according to claim 1 is characterized in that: A threading hole (11) is provided on the back of the support plate (7), and the threading hole (11) is located on the right side of the motor (10).

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