Power connection mechanism of cooling fan

Abstract

The utility model discloses a power connection mechanism of a heat dissipation fan, which comprises an assembly groove and a plug-in assembly, and is characterized in that the assembly groove is arranged on the side surface of the heat dissipation fan and is provided with two first side walls which are oppositely arranged; the plugging assembly is located in the assembling groove and comprises a plastic base and two metal plugging pieces, the left side and the right side of the plastic base are fixedly buckled with the two first side walls respectively, each metal plugging piece comprises an installation part and a plugging part, the installation parts are installed on the plastic base, the plugging parts extend out of the plastic base, and the plugging parts are used for being connected with a slot of an electric appliance end in a plugging mode so that power connection can be achieved. According to the power connection mechanism of the heat dissipation fan, quick and convenient power connection installation can be achieved, and the power connection mechanism is firm and safe after power connection installation.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation fan structures, in particular to a power connection mechanism of a heat dissipation fan. Background Art

[0002] Cooling fans, also known as cooling fans, are widely used in computers, communication products, optoelectronic products, consumer electronics, automotive electronic equipment, switches, medical equipment, heaters, air conditioners, inverters, ATMs, car freezers, welding machines, induction cookers, audio equipment, environmental protection equipment, refrigeration equipment and other traditional or modern instruments and equipment.

[0003] At present, the market's requirements for cooling fans are increasing day by day, not only in terms of installation convenience but also safety.

[0004] In the existing market, the power connection method of heat dissipation fans installed on electrical appliances is mostly wire welding.

[0005] However, the existing power connection mechanism of the heat dissipation fan not only has a slow power connection and installation speed, but also is prone to the risk of falling off, poor connection and leakage. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a power connection mechanism for a heat dissipation fan, which can realize fast and convenient power connection and installation, and is firm and safe after power connection and installation.

[0007] According to the first aspect of the utility model, a power connection mechanism of a heat dissipation fan includes: an assembly groove, which is arranged on the side of the heat dissipation fan and has two first side walls arranged opposite to each other; a plug-in component, which is located in the assembly groove and includes a plastic base and two metal plugs, and the left and right sides of the plastic base are respectively buckled and fixed to the two first side walls, and the metal plug includes a mounting part and a plug-in part, the mounting part is installed on the plastic base, and the plug-in part extends outside the plastic base, and the plug-in part is used to plug into the slot of the electrical end to connect electricity.

[0008] According to an embodiment of the utility model, a power connection mechanism of a heat dissipation fan has at least the following beneficial effects:

[0009] 1. The utility model provides a plug-in assembly, which includes a plastic base and two metal plugs. The metal plugs include a mounting portion and a plug-in portion. The mounting portion is mounted on the plastic base, and the plug-in portion extends outside the plastic base. The plug-in portion is used to plug into the slot of the electrical end to connect to electricity. It can be understood that the two metal plugs are respectively used as the positive and negative poles of the heat dissipation fan and are plugged into the slot of the electrical end to connect to electricity. On the one hand, the traditional wire welding power connection method is replaced by the metal plug-in method, so that the power connection and installation of the heat dissipation fan and the electrical end are exempted from welding work, thereby making the power connection and installation of the heat dissipation fan more convenient. On the other hand, after the metal plug is plugged into the slot of the electrical end, the heat dissipation fan can be relatively fixed to the electrical end, reducing the shaking of the heat dissipation fan, making the heat dissipation fan more secure after power connection and installation. Furthermore, the two metal plugs are respectively fixedly mounted on the plastic base, so that the positions of the two metal plugs are relatively fixed and do not touch, reducing the risk of short circuit caused by mutual contact between the positive and negative poles of the heat dissipation fan, and improving the power connection safety of the heat dissipation fan.

[0010] 2. The utility model sets an assembly groove on the side of the heat dissipation fan, the assembly groove has two first side walls arranged opposite to each other, the plug-in component is located in the assembly groove, the plug-in component includes a plastic base and two metal inserts, and the left and right sides of the plastic base are respectively buckled and fixed to the two first side walls, thereby making the installation of the plug-in component on the heat dissipation fan more convenient and simple.

[0011] According to some embodiments of the utility model, the side of the plastic base has an elastic arm, one end of the elastic arm is connected to the side wall of the top of the plastic base, the free end of the elastic arm extends downward, the free end of the elastic arm has a convex buckle, the convex buckle protrudes in a direction away from the plastic base, the first side wall has a buckle groove, and the convex buckle and the buckle groove are buckled together.

[0012] According to some embodiments of the present invention, the buckle groove runs through the first side wall.

[0013] According to some embodiments of the utility model, the inner side of the first side wall has a first protrusion, the inner side of the first protrusion has a limiting groove extending up and down, the buckle groove is located at the bottom of the limiting groove, and the limiting groove cooperates with the elastic arm to limit.

[0014] According to some embodiments of the present invention, the bottom wall of the top of the limiting groove is inclined.

[0015] According to some embodiments of the present invention, the top of the plastic base has a mounting groove, and the mounting groove is used to install the mounting part.

[0016] According to some embodiments of the utility model, one side of the mounting portion has a first spring sheet, one end of the first spring sheet close to the plug-in portion is connected to the mounting portion, the free end of the first spring sheet extends obliquely in a direction away from the mounting portion, one side of the mounting slot has a first card slot, the first card slot accommodates the first spring sheet, the free end of the first spring sheet and the first card slot cooperate to limit, and the side of the first spring sheet away from the mounting portion abuts against the side wall of the first card slot to prevent slipping.

[0017] According to some embodiments of the utility model, one side of the mounting portion further has a second protrusion, one side of the mounting slot has a second clamping slot, and a side of the second protrusion close to the plug-in portion abuts against a side wall of the second clamping slot for limiting position.

[0018] According to some embodiments of the utility model, the plastic base is further provided with a partition rib, and the partition rib is located between the two plug-in parts, and the partition rib is used to isolate the two plug-in parts.

[0019] According to some embodiments of the utility model, the plug-in assembly also includes a plastic cover plate, which is used to cover the top of the plastic base, the bottom of the plastic cover plate has a mounting column, the top of the plastic base has a mounting hole for mounting the mounting column, the outer circular surface of the bottom of the mounting column has a raised step, and the inner wall of the bottom of the mounting hole has a recessed step, and the raised step and the recessed step are buckled together to prevent falling off.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 This is a schematic structural diagram of a power connection mechanism of a heat dissipation fan according to an embodiment of the utility model;

[0023] Figure 2 for Figure 1 A top view is shown;

[0024] Figure 3 for Figure 2 AA cross-sectional view shown;

[0025] Figure 4 for Figure 3 An enlarged view of point B is shown;

[0026] Figure 5 for Figure 1An exploded view of the parts shown;

[0027] Figure 6 for Figure 5 The structural schematic diagram of the plastic base shown;

[0028] Figure 7 for Figure 5 A schematic diagram of the structure of the metal insert shown;

[0029] Figure 8 for Figure 5 The structural schematic diagram of the plastic cover is shown.

[0030] Figure markings: 100-assembly groove, 110-first side wall, 120-plastic base, 130-metal insert, 140-installation part, 150-plug-in part, 160-elastic arm, 170-protruding buckle, 180-buckle groove, 190-first protrusion, 200-limiting groove, 210-installation groove, 220-first spring sheet, 230-first card slot, 240-second protrusion, 250-second card slot, 260-partition rib, 270-plastic cover, 280-installation column, 290-installation hole, 300-raised step, 310-recessed step. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 invention.

[0033] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The following describes a power connection mechanism of a heat dissipation fan according to an embodiment of the utility model in conjunction with the accompanying drawings.

[0036] Reference Figure 1 , Figure 2 and Figure 5 A power connection mechanism of a heat dissipation fan according to an embodiment of the utility model includes an assembly slot 100 and a plug-in assembly.

[0037] As for the assembly groove 100 , the assembly groove 100 is arranged on the side of the heat dissipation fan, and the assembly groove 100 has two first side walls 110 arranged opposite to each other.

[0038] Specifically, the projection of the heat dissipation fan along the axial direction of the fan blade is a rectangle, and the assembly groove 100 is located on the radial side of the heat dissipation fan along the fan blade.

[0039] Furthermore, the assembly groove 100 is located at a corner of the side of the heat dissipation fan.

[0040] Reference Figure 3 and Figure 4 As for the plug-in component, the plug-in component is located in the assembly groove 100, and the plug-in component includes a plastic base 120 and two metal plugs 130. The left and right sides of the plastic base 120 are respectively buckled and fixed with the two first side walls 110. The metal plug 130 includes a mounting portion 140 and a plug-in portion 150. The mounting portion 140 is mounted on the plastic base 120, and the plug-in portion 150 extends to the outside of the plastic base 120. The plug-in portion 150 is used to plug into the slot of the electrical end to connect electricity.

[0041] In this embodiment, a plug-in assembly is provided, which includes a plastic base 120 and two metal plugs 130. The metal plugs 130 include a mounting portion 140 and a plug-in portion 150. The mounting portion 140 is mounted on the plastic base 120, and the plug-in portion 150 extends outside the plastic base 120. The plug-in portion 150 is used to plug into the slot of the electrical end to connect electricity. It can be understood that the two metal plugs 130 are respectively used as the positive and negative poles of the heat dissipation fan and are plugged into the slot of the electrical end to connect electricity. On the one hand, the traditional wire welding connection method is replaced by the metal plug 130 plug-in method, so that The electrical connection and installation of the heat dissipation fan and the electrical appliance end eliminates the need for welding work, thereby making the electrical connection and installation of the heat dissipation fan more convenient. On the other hand, after the metal plug 130 is plugged into the slot of the electrical appliance end, the heat dissipation fan can be relatively fixed to the electrical appliance end, reducing the shaking of the heat dissipation fan and making the heat dissipation fan more secure after electrical connection and installation. Furthermore, the two metal plugs 130 are respectively fixedly installed on the plastic base 120, so that the positions of the two metal plugs 130 are relatively fixed and do not touch, reducing the risk of short circuit caused by mutual contact between the positive and negative poles of the heat dissipation fan and improving the electrical connection safety of the heat dissipation fan.

[0042] At the same time, in this embodiment, an assembly groove 100 is set on the side of the heat dissipation fan. The assembly groove 100 has two first side walls 110 arranged opposite to each other. The plug-in component is located in the installation groove 210. The plug-in component includes a plastic base 120 and two metal inserts 130. The left and right sides of the plastic base 120 are respectively buckled and fixed to the two first side walls 110, thereby making the installation of the plug-in component on the heat dissipation fan more convenient and simple.

[0043] Reference Figure 6 In some specific embodiments, the side of the plastic base 120 has an elastic arm 160, one end of the elastic arm 160 is connected to the side wall of the top of the plastic base 120, the free end of the elastic arm 160 extends downward, and the free end of the elastic arm 160 has a convex buckle 170, which protrudes away from the plastic base 120, and the first side wall 110 has a buckle groove 180, and the convex buckle 170 and the buckle groove 180 are buckled together.

[0044] It can be understood that the free end of the elastic arm 160 can swing closer to and away from the plastic base 120. When the plastic base 120 is inserted into the assembly groove 100 from top to bottom, the first side wall 110 squeezes the convex buckle 170 to deform the free end of the elastic arm 160 toward the plastic base 120. When the convex buckle 170 cooperates with the buckle groove 180, the elastic arm 160 restores the deformation, so that the convex buckle 170 and the buckle groove 180 are buckled with each other to prevent them from falling off, thereby making it easier to install and fix the plastic base 120 in the assembly groove 100.

[0045] Furthermore, the buckle groove 180 passes through the first side wall 110 .

[0046] It is understandable that, by having the buckle groove 180 pass through the first side wall 110, when the plastic base 120 needs to be removed, pressure can be applied to the protruding buckle 170 through the buckle groove 180 from outside the cooling fan to make the protruding buckle 170 disengage from the buckle groove 180, thereby making the removal of the plastic base 120 more convenient.

[0047] In some specific embodiments, the inner side of the first side wall 110 has a first protrusion 190, and the inner side of the first protrusion 190 has a limiting groove 200 extending up and down, the buckle groove 180 is located at the bottom of the limiting groove 200, and the limiting groove 200 cooperates with the elastic arm 160 for limiting. On the one hand, the limiting groove 200 can guide the elastic arm 160 so that the protruding buckle 170 can more accurately buckle with the buckle groove 180. On the other hand, by providing the first protrusion 190 on the inner side of the first side wall 110 and providing the limiting groove 200 on the inner side of the first protrusion 190, it is possible to avoid the setting of the limiting groove 200 to reduce the thickness of the first side wall 110, thereby ensuring the structural strength of the first side wall 110.

[0048] Furthermore, the bottom wall of the top of the limiting groove 200 is inclined so that the bottom wall of the top of the limiting groove 200 can guide the elastic arm 160 , making it easier for the elastic arm 160 to enter the limiting groove 200 .

[0049] In some specific embodiments, the top of the plastic base 120 has a mounting groove 210, and the mounting groove 210 is used to install the mounting portion 140, so that the mounting portion 140 of the metal insert 130 can be inserted into the mounting groove 210 from the top of the insulating bottom, thereby facilitating the installation and connection between the metal insert 130 and the plastic base 120.

[0050] Reference Figure 7 In some specific embodiments, a first spring piece 220 is provided on one side of the mounting portion 140, and an end of the first spring piece 220 close to the plug-in portion 150 is connected to the mounting portion 140, and a free end of the first spring piece 220 extends obliquely in a direction away from the mounting portion 140. A first card slot 230 is provided on one side of the mounting groove 210, and the first card slot 230 accommodates the first spring piece 220. The free end of the first spring piece 220 and the first card slot 230 cooperate to limit the position, and a side of the first spring piece 220 away from the mounting portion 140 abuts against a side wall of the first card slot 230 for anti-slipping.

[0051] It can be understood that when the mounting portion 140 is installed into the mounting groove 210, the first spring piece 220 is simultaneously installed into the first card slot 230, so that the free end of the first spring piece 220 can cooperate with the first card slot 230 to limit the first card slot 230, so that the first card slot 230 can limit the first spring piece 220 from moving in the direction away from the plug-in portion 150, thereby preventing the metal spring piece from being forced to retreat when the plug-in portion 150 is inserted into the slot of the electrical end. In addition, the side of the first spring piece 220 away from the mounting portion 140 abuts against the side wall of the first card slot 230, so that the first spring piece 220 can press the side wall of the first card slot 230 to prevent slipping, thereby making the metal spring piece more stable and preventing the metal spring piece from loosening and detaching from the mounting groove 210.

[0052] In some specific embodiments, one side of the mounting portion 140 further has a second protrusion 240, and one side of the mounting groove 210 has a second card slot 250. The second protrusion 240 is close to the plug-in portion 150 and abuts against the side wall of the second card slot 250 to limit the second protrusion 240, so that the second card slot 250 can limit the second protrusion 240 to move toward the direction close to the plug-in portion 150, thereby making the metal spring more stable on the plastic base 120.

[0053] In some specific embodiments, the plastic base 120 is further provided with a partition rib 260 . The partition rib 260 is located between the two plug-in portions 150 . The partition rib 260 is used to isolate the two plug-in portions 150 .

[0054] It should be explained that when a clamp or other non-electrical end slot tool is used to transmit power to the two metal plugs 130, the partition 260 can isolate the power transmission tool, thereby preventing the power transmission tool connecting the two metal plugs 130 from short-circuiting, thereby further improving the safety of the cooling fan.

[0055] Reference Figure 8 In some specific embodiments, the plug-in assembly further includes a plastic cover 270, which is used to cover the top of the plastic base 120. The bottom of the plastic cover 270 has a mounting column 280, and the top of the plastic base 120 has a mounting hole 290 for mounting the mounting column 280. The outer circular surface of the bottom of the mounting column 280 has a raised step 300, and the inner wall of the bottom of the mounting hole 290 has a recessed step 310. The raised step 300 and the recessed step 310 are buckled to prevent falling off.

[0056] It is understandable that covering the top of the plastic base 120 with the plastic cover 270 can prevent the mounting portion 140 from being exposed. In addition, the anti-dropping snap connection of the raised step 300 and the recessed step 310 makes the connection between the plastic cover 270 and the plastic base 120 more secure.

[0057] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0058] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A power connection mechanism for a heat dissipation fan, characterized in that: include: An assembly groove (100) is arranged on a side of the heat dissipation fan and has two first side walls (110) arranged opposite to each other; The plug-in assembly is located in the assembly groove (100), and comprises a plastic base (120) and two metal plugs (130). The left and right sides of the plastic base (120) are respectively buckled and fixed to the two first side walls (110). The metal plug (130) comprises a mounting portion (140) and a plug-in portion (150). The mounting portion (140) is mounted on the plastic base (120). The plug-in portion (150) extends outside the plastic base (120). The plug-in portion (150) is used to be plugged into a slot at the end of an electrical appliance to connect electricity.

2. The power connection mechanism of the heat dissipation fan according to claim 1, characterized in that: The side of the plastic base (120) is provided with an elastic arm (160), one end of the elastic arm (160) is connected to the side wall of the top of the plastic base (120), the free end of the elastic arm (160) extends downward, the free end of the elastic arm (160) is provided with a convex buckle (170), the convex buckle (170) protrudes in a direction away from the plastic base (120), the first side wall (110) is provided with a buckle groove (180), the convex buckle (170) and the buckle groove (180) are matched and buckled.

3. The power connection mechanism of the heat dissipation fan according to claim 2, characterized in that: The buckle groove (180) passes through the first side wall (110).

4. The power connection mechanism of the heat dissipation fan according to claim 2, characterized in that: The inner side of the first side wall (110) has a first protrusion (190), the inner side of the first protrusion (190) has a limiting groove (200) extending up and down, the buckle groove (180) is located at the bottom of the limiting groove (200), and the limiting groove (200) cooperates with the elastic arm (160) to limit.

5. The power connection mechanism of the heat dissipation fan according to claim 4, characterized in that: The bottom wall of the top of the limiting groove (200) is arranged inclined.

6. The power connection mechanism of the heat dissipation fan according to claim 1, characterized in that: The top of the plastic base (120) is provided with a mounting groove (210), and the mounting groove (210) is used for mounting the mounting portion (140).

7. The power connection mechanism of the heat dissipation fan according to claim 6, characterized in that: One side of the mounting portion (140) is provided with a first elastic sheet (220), one end of the first elastic sheet (220) close to the plug-in portion (150) is connected to the mounting portion (140), and the free end of the first elastic sheet (220) extends obliquely in a direction away from the mounting portion (140); one side of the mounting slot (210) is provided with a first clamping slot (230), the first clamping slot (230) accommodates the first elastic sheet (220), the free end of the first elastic sheet (220) and the first clamping slot (230) cooperate to limit, and the side of the first elastic sheet (220) away from the mounting portion (140) abuts against the side wall of the first clamping slot (230) to prevent slipping.

8. The power connection mechanism of the heat dissipation fan according to claim 6, characterized in that: One side of the mounting portion (140) also has a second protrusion (240), one side of the mounting groove (210) has a second clamping groove (250), and the second protrusion (240) is close to the plug-in portion (150) and abuts against the side wall of the second clamping groove (250) to limit position.

9. The power connection mechanism of a heat dissipation fan according to claim 1, characterized in that: The plastic base (120) is further provided with a partition rib (260), wherein the partition rib (260) is located between the two plug-in parts (150), and the partition rib (260) is used to isolate the two plug-in parts (150).

10. The power connection mechanism of a heat dissipation fan according to claim 1, characterized in that: The plug-in assembly further comprises a plastic cover plate (270), wherein the plastic cover plate (270) is used to cover the top of the plastic base (120), the bottom of the plastic cover plate (270) is provided with a mounting column (280), the top of the plastic base (120) is provided with a mounting hole (290) for mounting the mounting column (280), the outer circular surface of the bottom of the mounting column (280) is provided with a raised step (300), the inner wall of the bottom of the mounting hole (290) is provided with a recessed step (310), and the raised step (300) and the recessed step (310) are buckled to prevent falling off.

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