Terminal head and base integrated fan

Abstract

The utility model discloses a terminal head and base integrated fan which comprises a shell and a fan assembly installed in the shell, the shell comprises a base, an injection package outer frame located on the periphery of the base, a plurality of connecting rods and connecting plates connecting the base and the injection package outer frame, and a terminal head connected to one side of the injection package outer frame. The base, the injection package outer frame, the connecting rod, the connecting plate and the terminal head are integrally formed, a PIN needle is arranged in the terminal head in an injection molding mode, a PCBA board is installed on the bottom face of the base and the bottom face of the connecting plate, and the PIN needle is electrically connected with the PCBA board. The PIN needle is arranged in the terminal head in an injection molding mode, stability and firmness of the PIN needle can be improved, tearing damage is prevented, the terminal head, the injection outer wrapping frame and the base are integrally formed, wire harnesses are saved, wire breakage caused by drawing of the wire harnesses can be prevented, and meanwhile the PCBA board can be prevented from being damaged when the wire harnesses are drawn.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a fan with a terminal head and a base integrated therein. Background Art

[0002] Fans are mainly used for cooling and heat dissipation. Current fans have the following problems: the terminal head is not directly injection molded onto the fan, and when the wiring is installed on the terminal head, an additional wiring harness is caused. Moreover, when the wiring harness is pulled out, the wires are easily broken, and the terminal head and PCBA board are even easily damaged. Summary of the invention

[0003] In view of the deficiencies in the prior art, the utility model provides a fan with a terminal head and a base integrated therein to solve the problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A terminal head and base integrated fan comprises a shell and a fan assembly installed in the shell, the shell comprises a base, a shot package outer frame located at the periphery of the base, a plurality of connecting rods and a connecting plate connecting the base and the shot package outer frame, and a terminal head connected to one side of the shot package outer frame, the base, the shot package outer frame, the connecting rod, the connecting plate, and the terminal head are integrally formed, a PIN needle is injection-molded in the terminal head, a PCBA board is installed on the bottom surface of the base and the connecting plate, and the PIN needle is electrically connected to the PCBA board.

[0006] Preferably, the fan assembly includes a center tube, a rotor group, an oil-containing bearing and a stator group. The center tube is connected to the outer frame of the shooting package, the stator group is connected to the periphery of the center tube, the oil-containing bearing is arranged in the center tube, the center of the rotor group is connected to a center shaft, the periphery of the rotor group is connected to fan blades, the center shaft is rotatably connected to the center tube, and the stator group is located in the rotor group and is arranged opposite to the rotor group.

[0007] Preferably, the fan assembly also includes a positioning ring, a retaining ring, an O-RING ring, and a wear-resistant plate. The wear-resistant plate is located at the bottom of the center tube, the O-RING ring is located above the wear-resistant plate, the retaining ring is located above the O-RING ring, the positioning ring is located above the oil-containing bearing, and is located below the rotor group.

[0008] Preferably, a base cover is connected to the base and the connecting plate by screws, and the PCBA board is located inside the base cover.

[0009] Preferably, the four corners of the outer periphery of the shooting package outer frame are connected to mounting ears, and mounting holes are provided on the mounting ears.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] Injection molding the PIN into the terminal head can improve the stability and firmness of the PIN and prevent it from being torn. By integrally molding the terminal head, the injection molding frame, and the base, the wiring harness is saved and the wire breakage caused by pulling the wiring harness can be prevented. At the same time, the PCBA board can be prevented from being damaged when the wiring harness is pulled. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the utility model after removing the fan assembly;

[0014] Figure 3 It is a bottom view of the utility model;

[0015] Figure 4 for Figure 3 Schematic diagram after removing the base cover;

[0016] Figure 5 It is a cross-sectional view of the utility model;

[0017] Figure 6 for Figure 5 Split diagram of ;

[0018] In the figure: 1-base, 2-injection package frame, 3-connecting rod, 4-connecting plate, 5-terminal head, 6-PIN needle, 7-PCBA board, 8-center tube, 9-rotor group, 10-oil-containing bearing, 11-stator group, 12-center axis, 13-fan blades, 14-positioning ring, 15-retaining ring, 16-O-RING ring, 17-wear-resistant sheet, 18-base cover, 19-mounting ear. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1

[0021] See also Figure 1-6A fan with a terminal head and a base integrated therein comprises a shell and a fan assembly installed in the shell, wherein the shell comprises a base 1, a shot package outer frame 2 located at the periphery of the base, a plurality of connecting rods 3 and a connecting plate 4 connecting the base and the shot package outer frame, and a terminal head 5 connected to one side of the shot package outer frame, wherein the base 1, the shot package outer frame 2, the connecting rod 3, the connecting plate 4, and the terminal head 5 are integrally formed, a PIN needle 6 is injection molded in the terminal head 5, a PCBA board 7 is installed on the bottom surface of the base 1 and the connecting plate 4, the PIN needle 6 is electrically connected to the PCBA board 7, a base cover 18 is connected to the base 1 and the connecting plate 4 by screws, and the PCBA board 7 is located on the inner side of the base cover 18.

[0022] The fan assembly includes a center tube 8, a rotor group 9, an oil-containing bearing 10 and a stator group 11. The center tube 8 is connected to the inner frame 2 of the shot package. The stator group 11 is connected to the outer periphery of the center tube 8. The oil-containing bearing 10 is arranged in the center tube 8. The center of the rotor group 9 is connected to a center shaft 12. The outer periphery of the rotor group 9 is connected to a fan blade 13. The center shaft 12 is rotatably connected to the center tube 8. The stator group 11 is located in the rotor group 9 and is arranged opposite to the rotor group 9. The fan assembly also includes a positioning ring 14, a retaining ring 15, an O-RING ring 16, and a wear-resistant sheet 17. The wear-resistant sheet 17 is located at the bottom of the center tube 8. The O-RING ring 16 is located above the wear-resistant sheet 17. The retaining ring 15 is located above the O-RING ring 16. The positioning ring 14 is located above the oil-containing bearing 10 and below the rotor group 9.

[0023] To sum up, injection molding the PIN needle 6 into the terminal head 5 can improve the stability and firmness of the PIN6 needle and prevent it from being torn. By integrally molding the terminal head 5, the injection molding frame 2, and the base 1, the wiring harness is saved and the wire breakage caused by pulling the wiring harness can be prevented. At the same time, it can also prevent damage to the PCBA board 7 when pulling the wiring harness.

[0024] Example 2

[0025] The difference between this embodiment and the first embodiment is that the four corners of the outer periphery of the shooting package outer frame 2 are connected to mounting ears 19, and mounting holes are opened on the mounting ears 19.

[0026] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan with a terminal head and a base integrated, characterized in that: The invention comprises a shell and a fan assembly installed in the shell, wherein the shell comprises a base (1), a shot package outer frame (2) located outside the base, a plurality of connecting rods (3) and a connecting plate (4) connecting the base and the shot package outer frame, and a terminal head (5) connected to one side of the shot package outer frame, wherein the base (1), the shot package outer frame (2), the connecting rods (3), the connecting plate (4) and the terminal head (5) are integrally formed, a PIN needle (6) is injection-molded in the terminal head (5), a PCBA board (7) is installed on the bottom surface of the base (1) and the connecting plate (4), and the PIN needle (6) is electrically connected to the PCBA board (7).

2. A terminal head and base integrated fan according to claim 1, characterized in that: The fan assembly comprises a center tube (8), a rotor group (9), an oil-containing bearing (10) and a stator group (11); the center tube (8) is connected to the inside of a shot package outer frame (2); the stator group (11) is connected to the periphery of the center tube (8); the oil-containing bearing (10) is arranged in the center tube (8); the center of the rotor group (9) is connected to a center shaft (12); the periphery of the rotor group (9) is connected to fan blades (13); the center shaft (12) is rotatably connected to the inside of the center tube (8); the stator group (11) is located in the rotor group (9) and is arranged opposite to the rotor group (9).

3. A terminal head and base integrated fan according to claim 2, characterized in that: The fan assembly further comprises a positioning ring (14), a retaining ring (15), an O-RING ring (16), and a wear-resistant sheet (17); the wear-resistant sheet (17) is located at the bottom of the center tube (8); the O-RING ring (16) is located above the wear-resistant sheet (17); the retaining ring (15) is located above the O-RING ring (16); the positioning ring (14) is located above the oil-containing bearing (10) and below the rotor assembly (9).

4. A terminal head and base integrated fan according to claim 3, characterized in that: The base (1) and the connecting plate (4) are connected to a base cover (18) via screws, and the PCBA board (7) is located inside the base cover (18).

5. A terminal head and base integrated fan according to any one of claims 1 to 4, characterized in that: The four corners of the outer periphery of the shooting package outer frame (2) are connected to mounting ears (19), and mounting holes are provided on the mounting ears (19).

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