Fan module and pull-assisting and push-assisting fan mounting structure

Abstract

The utility model relates to a fan module and a pulling-assisting and boosting fan mounting structure. Comprising a fan frame and a shell. At least one fan bin is formed in the fan frame, a pulling assisting groove is formed in the inner wall of the fan bin, the pulling assisting groove comprises an inserting groove section and a limiting groove section which communicate with each other, and a first groove opening is formed in the inserting groove section. The shell is used for containing the fan, the outer wall of the shell is rotationally connected with a handle, the handle is provided with a first rotating position and a second rotating position, when the handle is located at the first rotating position, the handle is inserted into the inserting groove section along the first notch, and the shell is not connected with the fan bin in a clamped mode; and when the handle is at the second rotating position, the handle is inserted into the limiting groove section, and the shell is clamped with the fan bin. Through the matching effect of the pulling-assisting groove and the handle, when the handle rotates to different positions, the handle abuts against different positions of the pulling-assisting groove, so that the pulling-assisting and boosting effects on the shell are achieved, and mounting and dismounting are labor-saving and rapid.

Description

Technical Field

[0001] The present application relates to the technical field of server cooling fans, and in particular to a fan module and a fan installation structure that assists in pulling out and pushing in. Background Art

[0002] The normal operation of the server system is inseparable from the heat dissipation mechanism. In the existing air-cooled server technology, several fans are often required to dissipate the heat of the system. In a small space, such as a 1U server or a server node that does not exceed 1U in height, the fan power cord cannot be placed under the fan due to height space limitations, and most of the time there is no space to fix the fan in the height direction. Usually, it is only directly plugged in and out by the plastic body.

[0003] In the related art, the server generally does not support quick removal of the fan, and the screws need to be removed manually with the help of tools in a small space, and a large force is required to fully insert or remove the fan wire terminal, making assembly and maintenance difficult. Summary of the invention

[0004] Based on this, it is necessary to provide a fan module and a fan installation structure that assists in plugging and unplugging the fan to solve the problem of difficulty in plugging and unplugging the fan.

[0005] A fan mounting structure for assisting pulling and pushing, the fan mounting structure comprising:

[0006] A fan rack, wherein at least one fan compartment is provided in the fan rack, an auxiliary extraction groove is provided on the inner wall of the fan compartment, the auxiliary extraction groove comprises an insertion groove section and a limiting groove section which are interconnected, and a first notch is provided on the insertion groove section;

[0007] A shell is used to accommodate a fan, and a handle is rotatably connected to the outer wall of the shell. The handle has a first rotation position and a second rotation position. When the handle is in the first rotation position, the handle is inserted into the insertion slot section along the first notch, and the shell is not engaged with the fan compartment; when the handle is in the second rotation position, the handle is inserted into the limiting slot section, and the shell is engaged with the fan compartment.

[0008] After the fan is installed in the shell, turn the handle to the first rotation position to lift the shell by the handle and align the shell with the fan compartment. At this time, the handle can be inserted into the insertion slot section from the first slot. When the end of the handle abuts against the slot wall of the insertion slot section, turn the handle so that the end of the handle gradually extends into the limiting slot section. When the end of the handle abuts against the inner wall of the limiting slot section, the handle is equivalent to a lever. Continue to turn the handle, and the shell can be easily driven to move downward by the boosting effect of the handle until the handle is rotated to the second rotation position. At this time, the handle is completely inserted into the limiting slot section, and the limiting effect of the limiting slot on the handle can indirectly realize the clamping effect of the fan compartment on the shell, thereby preventing the shell from automatically falling out of the fan compartment. When the shell needs to be pulled out of the fan compartment, the handle is rotated in the reverse direction. At this time, the end of the handle is against the wall of the limiting groove section, and the handle is equivalent to a lever. The handle is continued to be rotated in the reverse direction, and the shell can be easily driven to move upward by the auxiliary pulling effect of the handle. When the handle is rotated to the first position, the handle is withdrawn from the limiting groove section, and the shell loses its engagement with the fan compartment.

[0009] In one embodiment, the limiting slot section is connected to the insertion slot section via a second slot, and an angle between an opening direction of the first slot and an opening direction of the second slot is equal to an angle between the first rotation position and the second rotation position.

[0010] In this way, when the handle is rotated from the first rotation position to the second rotation position, the end of the handle can just be inserted into the limiting groove section from the second notch. The limiting effect of the limiting groove section on the handle can indirectly realize the clamping effect of the fan compartment on the shell, preventing the shell from automatically falling out of the fan compartment.

[0011] In one embodiment, the handle includes a pressing portion, a rotating portion and an extending portion which are connected in sequence, and the handle is rotatably connected to the shell through the rotating portion; when the handle is in the second rotation position, the extending portion is inserted into the limiting groove section.

[0012] In this way, when the handle is in the first rotation position, the pressing part, the rotating part and the extending part are arranged in sequence from top to bottom in the vertical direction, and the extending part can be inserted into the insertion groove section from the first notch. When the pressing part is rotated to rotate the handle to the second rotation position, the extending part gradually passes through the second notch and is inserted into the limiting groove section. When the handle is rotated to the second rotation position, the pressing part, the rotating part and the extending part are arranged in sequence along the horizontal direction, and the extending part is completely inserted into the limiting groove section.

[0013] In one embodiment, the limiting groove section and the insertion groove section are interconnected to form an L-shaped groove, the rotating portion and the extending portion are connected to form an L-shaped structure, and the L-shaped structure matches the L-shaped groove.

[0014] With such arrangement, when the handle is rotated to the second rotation position, the rotating portion and the extending portion can be fully extended into the L-shaped groove, preventing the upper portion of the handle from protruding from the fan rack, thereby facilitating installation of the fan rack in the server.

[0015] In one of the embodiments, a slot is provided on any one of the shell and the handle, and an elastic buckle is provided on the other; when the handle is in the second rotation position, the elastic buckle is engaged with the slot.

[0016] With such arrangement, when the handle is in the second rotation position, the elastic buckle engages with the slot, thereby fixing the handle outside the shell. At the same time, due to the limiting effect of the limiting slot section on the handle, the limiting effect of the limiting slot section on the shell can be realized, preventing the shell from automatically escaping from the fan compartment.

[0017] In one of the embodiments, a stop block extending outward from the shell is disposed on the shell, and when the handle is in the first rotation position, the stop block is used to stop the handle.

[0018] The stop block is used to stop the handle from continuing to rotate from the second rotation position to the first rotation position.

[0019] In one embodiment, at least one pair of handles is provided on the shell, two of the pair of handles are rotatably connected to two opposite side walls of the shell respectively, the two handles are connected by a connecting rod, and the auxiliary extraction grooves are provided in one-to-one correspondence with the handles.

[0020] With such arrangement, when installing the fan, the fan can be quickly installed by rotating a pair of handles corresponding to the two connecting rods respectively. When pulling out the fan, the fan can be quickly pulled out by rotating the two connecting rods.

[0021] A fan module comprises a fan and a fan mounting structure for assisting pulling and pushing, wherein the fan is arranged in the shell.

[0022] With such arrangement, when the handle is rotated to different positions, it abuts against different positions of the extraction-assisting groove, thereby achieving the extraction-assisting and pushing-assisting effects on the fan, and installation and removal are labor-saving and fast.

[0023] In one embodiment, the fan has a terminal, which is detachably connected to the housing. When the handle is in the second rotation position, the terminal is used to be inserted into the power terminal, and when the handle is in the first rotation position, the terminal is used to disconnect from the power terminal.

[0024] With such a configuration, when the housing is connected to the fan compartment, the wiring terminal can be fully plugged into the power supply end; when the housing is not connected to the fan compartment, the wiring terminal is disconnected from the power supply end. That is, the configuration of the handle facilitates the labor-saving plugging and unplugging of the wiring terminal.

[0025] In one of the embodiments, the fan is connected to the housing via rubber nails.

[0026] Among them, the rubber nails are used to reduce the vibration of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] FIG. 1 is a schematic structural diagram of a fan module in an embodiment.

[0028] FIG. 2 is a schematic structural diagram of a housing in an embodiment.

[0029] FIG. 3 is a schematic structural diagram of a housing provided with a fan in an embodiment.

[0030] FIG. 4 is a schematic diagram of the structure of a handle in an embodiment.

[0031] FIG. 5 is a schematic diagram of the structure of a handle in a first position according to an embodiment.

[0032] FIG. 6 is a schematic diagram of the structure when the handle rotates from the first position to the second position in one embodiment.

[0033] FIG. 7 is a schematic diagram of the structure of the handle in the second position according to an embodiment.

[0034] Reference numerals: 100, housing; 110, handle; 111, pressing portion; 112, rotating portion; 113, insertion portion; 114, slot; 115, connecting rod; 120, elastic buckle; 130, stop block; 140, hook;

[0035] 200, fan frame; 210, fan compartment; 220, auxiliary extraction slot; 221, insertion slot section; 222, first slot; 223, limit slot section; 224, second slot;

[0036] 300, fan; 310, terminal block; 320, rubber nail. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0038] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does 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 application.

[0039] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0041] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0043] Referring to FIGS. 1 to 3 , an embodiment of the present application provides a fan installation structure for assisting extraction and pushing, comprising a fan frame 200 and a housing 100. At least one fan compartment 210 is provided in the fan frame 200, and an assisting extraction groove 220 is provided on the inner wall of the fan compartment 210. The assisting extraction groove 220 comprises an insertion groove section 221 and a limiting groove section 223 which are interconnected, and a first notch 222 is provided on the insertion groove section 221. The housing 100 is used to accommodate a fan 300, and a handle 110 is rotatably connected to the outer wall of the housing 100. The handle 110 has a first rotation position (combined with FIG. 5 ) and a second rotation position (combined with FIG. 7 ). When the handle 110 is in the first rotation position, the handle 110 is inserted into the insertion groove section 221 along the first notch 222, and the housing 100 is not engaged with the fan compartment 210; when the handle 110 is in the second rotation position, the handle 110 is inserted into the limiting groove section 223, and the housing 100 is engaged with the fan compartment 210.

[0044] It should be noted that a plurality of partitions are provided in the fan rack 200, and the plurality of partitions are used to separate the fan rack 200 into a plurality of fan bins 210 arranged in sequence along the first direction, and the partitions are provided with extraction-aiding grooves 220. The housing 100 containing the fan 300 can be inserted into the fan bin 210 from the second direction or the third direction, and the first direction, the second direction and the third direction are perpendicular to each other. Specifically, for the convenience of description, the following description is given by taking the housing 100 being inserted into the fan bin 210 from top to bottom as an example.

[0045] In this embodiment, after the fan 300 is installed in the housing 100, the handle 110 is rotated to the first rotation position, so that the housing 100 is lifted by the handle 110, and the housing 100 is aligned with the fan compartment 210. At this time, the handle 110 can be inserted into the insertion slot section 221 from the first notch 222. When the end of the handle 110 abuts against the slot wall of the insertion slot section 221, the handle 110 is rotated so that the end of the handle 110 gradually extends into the limiting slot section 223. When the end of the handle 110 abuts against the slot wall of the insertion slot section 221, the handle 110 is rotated so that the end of the handle 110 gradually extends into the limiting slot section 223. When the inner wall of the limiting groove section 223 is abutted, the handle 110 is equivalent to a lever. The handle 110 continues to be rotated, and the shell 100 can be easily driven to move downward by the boosting effect of the handle 110 until the handle 110 is rotated to the second rotation position. At this time, the handle 110 is completely inserted into the limiting groove section 223. The limiting effect of the limiting groove on the handle 110 can also indirectly realize the clamping effect of the fan compartment 210 on the shell 100, preventing the shell 100 from automatically falling out of the fan compartment 210.

[0046] When the shell 100 needs to be pulled out of the fan compartment 210, the handle 110 is rotated in the reverse direction. At this time, the end of the handle 110 is against the groove wall of the limiting groove section 223. The handle 110 is equivalent to a lever. The handle 110 is continued to be rotated in the reverse direction. The shell 100 can be easily driven to move upward by the auxiliary pulling effect of the handle 110. When the handle 110 is rotated to the first position, the handle 110 is withdrawn to the outside of the limiting groove section 223, and the shell 100 loses the clamping connection with the fan compartment 210.

[0047] The fan 300 has a connection terminal 310, which is disposed outside the housing 100. When the housing 100 is engaged with the fan compartment 210, the connection terminal 310 can be fully plugged into the power supply terminal; when the housing 100 is not engaged with the fan compartment 210, the connection terminal 310 is disconnected from the power supply terminal. That is, the setting of the handle 110 facilitates the labor-saving plugging and unplugging of the connection terminal 310.

[0048] In some embodiments, in combination with Figures 1 and 6, the limiting slot section 223 is connected to the insertion slot section 221 through the second slot 224, and the angle between the opening direction of the first slot 222 and the opening direction of the second slot 224 is equal to the angle between the first rotation position and the second rotation position.

[0049] In this embodiment, the angle between the opening direction of the first slot 222 and the opening direction of the second slot 224 is equal to the angle between the first rotation position and the second rotation position, so that when the handle 110 is rotated from the first rotation position to the second rotation position, the end of the handle 110 can just be inserted into the limiting groove section 223 from the second slot 224. The limiting effect of the limiting groove section 223 on the handle 110 can indirectly realize the clamping effect of the fan compartment 210 on the shell 100, thereby preventing the shell 100 from automatically falling out of the fan compartment 210.

[0050] Specifically, the first rotation position can be rotated perpendicularly to the second rotation position, that is, at this time, the limiting groove section 223 and the insertion groove section 221 are interconnected to form an L-shaped structure or a T-shaped structure.

[0051] In some embodiments, in combination with Figure 4, the handle 110 includes a pressing portion 111, a rotating portion 112 and an insertion portion 113 connected in sequence, and the handle 110 is rotatably connected to the shell 100 through the rotating portion 112; when the handle 110 is in the second rotation position, the insertion portion 113 is inserted into the limiting groove section 223.

[0052] In this embodiment, when the handle 110 is in the first rotation position, the pressing portion 111, the rotating portion 112 and the inserting portion 113 are arranged in sequence from top to bottom in the vertical direction, and the inserting portion 113 can be inserted from the first slot 222 into the insertion slot section 221. When the pressing portion 111 is rotated to rotate the handle 110 to the second rotation position, the inserting portion 113 gradually passes through the second slot 224 and is inserted into the limiting slot section 223. When the handle 110 is rotated to the second rotation position, the pressing portion 111, the rotating portion 112 and the inserting portion 113 are arranged in sequence in the horizontal direction, and the inserting portion 113 is completely inserted into the limiting slot section 223.

[0053] Furthermore, the limiting groove section 223 and the inserting groove section 221 are interconnected to form an L-shaped groove, and the rotating portion 112 and the extending portion 113 are connected to form an L-shaped structure, and the L-shaped structure matches the L-shaped groove.

[0054] That is, when the handle 110 is rotated to the second rotation position, the rotating portion 112 and the extending portion 113 can be fully extended into the L-shaped groove, preventing the upper portion of the handle 110 from protruding from the fan rack 200, thereby facilitating the installation of the fan rack 200 in the server.

[0055] In some embodiments, in combination with Figures 2, 3 and 7, a slot 114 is provided on either the housing 100 or the handle 110, and an elastic buckle 120 is provided on the other; when the handle 110 is in the second rotation position, the elastic buckle 120 is engaged with the slot 114.

[0056] In one of the embodiments, a slot 114 is provided on the handle 110, and an elastic buckle 120 is provided on the shell 100. When the handle 110 is in the second rotation position, the elastic buckle 120 is engaged with the slot 114, so that the handle 110 is fixed outside the shell 100. At the same time, due to the limiting effect of the limiting groove section 223 on the handle 110, the limiting effect of the limiting groove section 223 on the shell 100 can be realized, preventing the shell 100 from automatically escaping from the fan compartment 210, that is, further preventing the terminal block 310 from automatically disconnecting from the power supply end, thereby ensuring the stable electrical connection of the terminal block 310.

[0057] In another embodiment, a slot 114 is provided on the housing 100 , and an elastic buckle 120 is disposed on the handle 110 . When the handle 110 is at the second rotation position, the elastic buckle 120 is engaged with the slot 114 .

[0058] In some embodiments, in conjunction with FIG. 5 , a stop block 130 extending outward is disposed on the housing 100 , and when the handle 110 is in the first rotation position, the stop block 130 is used to stop the handle 110 .

[0059] When the handle 110 is in the first rotation position, the housing 100 is disconnected from the fan compartment 210, and the connection terminal 310 is disconnected from the power supply terminal. At this time, the stop block 130 is used to stop the handle 110 from continuing to rotate from the second rotation position to the first rotation position. Therefore, the specific setting position of the stop block 130 can be set according to the disconnection stroke of the connection terminal 310 and the power supply terminal. At the same time, the position of the limit groove section 223 is also set according to the stroke of the connection terminal 310 inserted into the power supply terminal.

[0060] In some embodiments, in combination with Figure 4, at least one pair of handles 110 is provided on the shell 100, and two handles 110 in the pair of handles 110 are rotatably connected to two opposite side walls of the shell 100 respectively, and the two handles 110 are connected by a connecting rod 115, and the auxiliary extraction grooves 220 are arranged one by one with the handles 110.

[0061] Specifically, a pair of handles 110 are respectively provided at both ends of the housing 100. When the fan 300 needs to be installed in the fan compartment 210, the two pairs of handles 110 are respectively rotated to the first rotation position. At this time, the connecting rods 115 of the two pairs of handles 110 can be lifted to align the position of the fan 300 with the fan compartment 210. When installing the fan 300, the corresponding pair of handles 110 can be rotated through the two connecting rods 115 to achieve quick installation of the fan 300. When pulling out the fan 300, the fan 300 can be quickly pulled out by rotating the two connecting rods 115.

[0062] In some embodiments, the housing 100 includes two buckled half-shells, wherein the half-shells may be plastic parts. A pair of handles 110 are respectively disposed on each half-shell.

[0063] In conjunction with FIG1 , the present application provides a fan 300 module, which can be arranged in a server housing 100, a computer housing 100, and other mechanical structure housings 100 that require cooling by the fan 300. The fan 300 module includes a fan mounting structure for assisting pulling and pushing, and a fan 300 arranged in the mounting structure, wherein the mounting structure includes a fan rack 200 and a housing 100, at least one fan compartment 210 is provided in the fan rack 200, and the fan 300 is arranged in the housing 100, and the housing 100 is used to drive the fan 300 to be inserted into the fan compartment 210.

[0064] In this embodiment, through the cooperation between the auxiliary extraction groove 220 and the handle 110, when the handle 110 is rotated to different positions, it abuts against different positions of the auxiliary extraction groove 220, thereby achieving the auxiliary extraction and pushing effect on the fan 300, and the installation and removal are labor-saving and fast.

[0065] In some embodiments, in combination with Figures 2 and 3, the fan 300 has a terminal 310, which is detachably connected to the housing 100. When the handle 110 is in the second rotation position, the terminal 310 is used to be inserted into the power terminal. When the handle 110 is in the first rotation position, the terminal 310 is used to disconnect from the power terminal.

[0066] Specifically, a hook 140 is provided on the outer side of the housing 100, and the terminal 310 is engaged with the hook 140 to achieve rapid fixation of the terminal 310. During installation, the fan 300 and the terminal 310 are first fixed in the housing 100, and then the housing 100 is inserted into the fan compartment 210.

[0067] When the housing 100 is engaged with the fan compartment 210, the connection terminal 310 can be fully plugged into the power supply end; when the housing 100 is not engaged with the fan compartment 210, the connection terminal 310 is disconnected from the power supply end. That is, the setting of the handle 110 facilitates the labor-saving plugging and unplugging of the connection terminal 310.

[0068] In some embodiments, in conjunction with FIG. 3 , the fan 300 is connected to the housing 100 via a rubber nail 320 , wherein the rubber nail 320 is used to reduce vibration of the fan 300 .

[0069] 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.

[0070] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A fan installation structure for assisting pulling and pushing, characterized in that: The fan mounting structure comprises: A fan rack, wherein at least one fan compartment is provided in the fan rack, an auxiliary extraction groove is provided on the inner wall of the fan compartment, the auxiliary extraction groove comprises an insertion groove section and a limiting groove section which are interconnected, and a first notch is provided on the insertion groove section; A shell is used to accommodate a fan, and a handle is rotatably connected to the outer wall of the shell. The handle has a first rotation position and a second rotation position. When the handle is in the first rotation position, the handle is inserted into the insertion slot section along the first notch, and the shell is not engaged with the fan compartment; when the handle is in the second rotation position, the handle is inserted into the limiting slot section, and the shell is engaged with the fan compartment.

2. The fan installation structure for assisting pulling and pushing according to claim 1 is characterized in that: The limiting groove section is connected to the insertion groove section through a second groove, and an angle between an opening direction of the first groove and an opening direction of the second groove is equal to an angle between the first rotation position and the second rotation position.

3. The fan installation structure for assisting pulling and pushing according to claim 2 is characterized in that: The handle comprises a pressing portion, a rotating portion and an extending portion which are connected in sequence, and the handle is rotatably connected to the housing via the rotating portion; when the handle is in the second rotating position, the extending portion is inserted into the limiting groove section.

4. The fan installation structure for assisting pulling and pushing according to claim 3 is characterized in that: The limiting groove section and the inserting groove section are interconnected to form an L-shaped groove, and the rotating portion and the extending portion are connected to form an L-shaped structure, and the L-shaped structure matches the L-shaped groove.

5. The fan installation structure for assisting pulling and pushing according to claim 1, characterized in that: A slot is provided on any one of the shell and the handle, and an elastic buckle is provided on the other; when the handle is in the second rotation position, the elastic buckle is engaged with the slot.

6. The fan installation structure for assisting pulling and pushing according to claim 1, characterized in that: The shell is provided with a stop block extending outward from the shell, and when the handle is in the first rotation position, the stop block is used to stop the handle.

7. The fan installation structure for assisting pulling and pushing according to claim 1, characterized in that: At least one pair of handles is provided on the shell, two of the pair of handles are rotatably connected to two opposite side walls of the shell respectively, the two handles are connected by a connecting rod, and the auxiliary extraction grooves are provided in one-to-one correspondence with the handles.

8. A fan module, characterized in that: The invention comprises a fan and a fan installation structure for assisting pulling and pushing as claimed in any one of claims 1 to 7, wherein the fan is arranged in the housing.

9. The fan module according to claim 8, characterized in that: The fan has a terminal, which is detachably connected to the housing. When the handle is in the second rotation position, the terminal is used to be inserted into the power supply terminal. When the handle is in the first rotation position, the terminal is used to disconnect from the power supply terminal.

10. The fan module according to claim 8, characterized in that: The fan is connected to the housing through rubber nails.

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