Case and electronic equipment

Abstract

The embodiment of the invention discloses a case and electronic equipment, relates to the field of mechanical structures, and solves the problem of how to improve the compactness of the case. According to the specific scheme, the case comprises a shell, a first baffle, a second baffle and a fan. The shell is provided with a heat dissipation channel, and the first end of the first baffle rotates with the shell and is in sliding connection with the shell in the extending direction of the heat dissipation channel. The third end of the second baffle rotates with the shell and is in sliding connection with the shell in the extending direction of the heat dissipation channel. The fan is located in the heat dissipation channel and slidably connected with the shell, the fan abuts against the first end and the third end, and the fan is located in the first space and the second space. The first baffle is rotationally and slidably connected with the shell, so that the position, except the first end, of the first baffle can avoid the fan, the width of the fan is close to that of the heat dissipation channel, and the compactness of the case is improved.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of mechanical structures, and in particular to a chassis and an electronic device. Background Art

[0002] Communication equipment, such as network switching equipment or optical network transmission equipment, has a chassis, which is used to install single boards. The chassis generates a lot of heat during operation. Usually, a heat dissipation module is installed in the chassis to dissipate heat. However, the presence of the heat dissipation module increases the size of the chassis. How to improve the compactness of the chassis is a problem that needs to be solved at present. Summary of the invention

[0003] The embodiments of the present application provide a chassis and an electronic device to solve the problem of how to improve the compactness of the chassis.

[0004] In order to achieve the above-mentioned purpose, this application adopts the following technical solution.

[0005] In a first aspect, an embodiment of the present application provides a chassis. The chassis includes a housing, a first wind shielding structure, a second wind shielding structure, and a fan. The housing is provided with a heat dissipation channel, and the first wind shielding structure and the second wind shielding structure are both located in the heat dissipation channel. The first wind shielding structure includes a first baffle, the first baffle includes a first end and a second end opposite to each other, and the first end rotates with the housing and is slidably connected along the extension direction of the heat dissipation channel. The second wind shielding structure includes a second baffle, the second baffle includes a third end and a fourth end opposite to each other; the three ends rotate with the housing and are slidably connected along the extension direction of the heat dissipation channel. The first baffle and the second baffle are used to separate the heat dissipation channel into a first space and a second space. The fan is located in the heat dissipation channel and is slidably connected with the housing, the fan abuts against the first end and the third end, and the fan is located in the first space and the second space. Since the fan is located in the first space and the second space, and the fan abuts against the first end and the third end, the first baffle can avoid the fan at a position other than the first end, and the second baffle can avoid the fan at a position other than the third end. The thickness of the first baffle plate has nothing to do with the thickness of the fan. The thickness of the aforementioned fan is the dimension of the fan along the thickness direction of the first baffle plate when the fan is located in the first space and the second space. In the case where the fan can slide relative to the heat dissipation channel, the thickness of the fan can be infinitely close to the dimension of the heat dissipation channel along the thickness direction, thereby improving the compactness of the chassis. Since the first baffle plate and the second baffle plate are used to separate the heat dissipation channel into the first space and the second space. When the fan is not located in the heat dissipation channel, the gas in the second space and the gas in the first space do not flow. Air flow turbulence and airway short circuit are avoided, which affect the operation of the components in the chassis. In addition, the first end rotates with the housing and is slidably connected along the extension direction of the heat dissipation channel. When the fan is no longer in contact with the first end, the second end can first slide along the extension direction of the heat dissipation channel and then rotate relative to the housing. In this way, when the fan is in contact with the first end, the structure between the second end and the fourth end will not block the sliding of the first baffle plate. Since the three ends rotate with the housing and are slidably connected along the extension direction of the heat dissipation channel. The structure between the second end and the fourth end will not block the sliding of the second baffle plate. Other components (such as power supply components or structural reinforcement components) may be arranged between the second end and the fourth end, so that the area between the second end and the fourth end can be fully utilized, thereby reducing the volume of the chassis and further improving the compactness of the chassis.

[0006] In combination with the first aspect, in some achievable ways, the first wind shielding structure further includes a bracket. The bracket is rotatably connected to the first end, and the bracket is slidably connected to the housing along the extension direction of the heat dissipation channel. Thus, the first end and the bracket are rotatably connected, so that the first baffle rotates relative to the housing. In addition, the bracket is slidably connected to the housing along the extension direction of the heat dissipation channel, so that the bracket and the first baffle can slide relative to the housing along the extension direction of the heat dissipation channel. Thereby, the first baffle can move from a state where the first end abuts the fan to a state where the first baffle and the second baffle separate the heat dissipation channel into a first space and a second space.

[0007] In combination with the first aspect, in some achievable ways, the first wind shield structure further includes a torsion spring. One end of the torsion spring is elastically connected to the first end, and the other end of the torsion spring is elastically connected to the bracket. Thus, the fan abuts against the first end, and the torsion spring has a tendency to move the second end of the first baffle away from the bracket. When the fan no longer abuts against the first end, the elastic potential energy stored in the torsion spring causes the second end of the first baffle to move away from the bracket toward the fourth end. The manpower that moves the second end of the first baffle away from the bracket toward the fourth end is partially replaced or completely replaced.

[0008] In combination with the first aspect, in some achievable ways, the first wind shielding structure further comprises a rotating part and a rotating shaft. The rotating part is connected to the first end. The rotating shaft comprises a first section and a second section connected to each other, and the bracket is connected to the first section. The rotating part is provided with a first groove, and the second section is located in the first groove and is rotatably connected to the rotating part. In this way, the second end of the first baffle is rotatably connected to the second section, and the first section is connected to the bracket, thereby realizing the rotatable connection between the first end of the first baffle and the shell.

[0009] In combination with the first aspect, in some achievable manners, the first wind shielding structure further includes a limiting portion. The limiting portion is connected to the first end, the limiting portion is spaced apart from the rotating portion, and a projection of the limiting portion on the end surface of the first section overlaps at least partially with the first section. When the rotating shaft moves along the axis, the limiting portion abuts against the end surface of the rotating shaft to prevent the rotating shaft from being separated from the first groove, thereby increasing the connection stability between the rotating portion and the first end.

[0010] In combination with the first aspect, in some achievable ways, the first wind shield structure further includes a positioning portion. The positioning portion is connected to the bracket, and the positioning portion is provided with a second groove, and the first section is located in the second groove and is interference fit with the first section. Thus, the bracket and the rotating shaft can be relatively fixed by the positioning portion, and because the rotating portion is connected to the rotating shaft, the rotating portion is connected to the first end of the first baffle. Therefore, the first end of the first baffle is rotatably connected to the bracket.

[0011] In combination with the first aspect, in some achievable ways, the first wind shielding structure further comprises a booster. The booster is connected to a side of the bracket away from the rotating shaft, and the booster abuts against the fan. Since the booster abuts against the fan, the booster is connected to a side of the bracket away from the rotating shaft. The force of the fan and the booster is transmitted to the bracket, and further transmitted to the first baffle, providing a force point between the fan and the first baffle.

[0012] In combination with the first aspect, in some achievable ways, the first wind shielding structure further includes a sliding rod and a slider that are slidably connected, and the extension direction of the sliding rod is parallel to the extension direction of the heat dissipation channel. The slider is connected to the first end, and the sliding rod is connected to the housing; or, the slider is connected to the housing, and the sliding rod is connected to the first end. The slider can slide relative to the sliding rod together with the first end of the first baffle. Alternatively, the sliding rod can slide relative to the slider together with the first end of the first baffle. The first baffle and the housing can slide relative to the extension direction of the heat dissipation channel.

[0013] In combination with the first aspect, in some achievable embodiments, the first wind shielding structure further includes an elastic member, which is sleeved on the slide bar. One end of the elastic member is elastically connected to the slider, and the other end of the elastic member is elastically connected to the end of the slide bar away from the first end. In this way, when the first end of the first baffle plate abuts against the fan, the slider compresses the elastic member, and the elastic member has a tendency to move the slider closer to the fan. If the fan no longer abuts against the first end, the elastic member causes the slider to drive the first end of the first baffle plate to move along the slide bar. As a result, the first baffle plate moves to separate the first space and the second space. The force required to move the first baffle plate from the state in which the first end abuts against the fan to the state in which the first baffle plate separates the first space and the second space is saved.

[0014] In combination with the first aspect, in some achievable manners, the first windshield structure further includes a first stopper. The first stopper is connected to the end of the slide bar away from the first end, and the first stopper is elastically connected to an end of the elastic member away from the slide bar. Thus, during the sliding process of the slide bar relative to the slide bar, the slide bar approaches the first stopper until the elastic member can no longer be compressed. In this way, the first stopper can limit the distance that the slide bar moves relative to the slide bar.

[0015] In combination with the first aspect, in some achievable manners, the first wind shielding structure further includes a second stopper. The second stopper is connected to the end of the slide bar near the first end. Thus, when the slider slides relative to the slide bar toward the end of the first end near the first baffle, the slider abuts against the second stopper to prevent the slider from falling off the slide bar.

[0016] In combination with the first aspect, in some achievable methods, the first wind shielding structure further includes a gear and a rack that mesh with each other. The extension direction of the rack is parallel to the extension direction of the heat dissipation channel. The rack is connected to the housing, and the gear is connected to the first end, or the gear is connected to the housing, and the rack is connected to the first end. When the fan abuts against the first end, and the fan and the first end move together along the extension direction of the heat dissipation channel, the force exerted by the fan on the first end causes the gear and the rack to move relative to each other, thereby causing the fan to move along the extension direction of the heat dissipation channel until the fan is located in the first space and the second space. Thus, the gear and the rack that mesh with each other can also achieve a sliding connection between the first end of the first baffle and the housing. Alternatively, in some embodiments, the gear is connected to the housing, and the rack is connected to the first end of the first baffle. Similarly, the first end of the first baffle can also be slidably connected to the housing.

[0017] In combination with the first aspect, in some achievable embodiments, the first wind shielding structure further includes a lead screw and a nut. The extension direction of the lead screw is parallel to the extension direction of the heat dissipation channel. The lead screw is connected to the first end, and the nut is connected to the housing, or the lead screw is connected to the housing, and the nut is connected to the first end. Thus, when the fan abuts against the first end, and the fan and the first end move together along the extension direction of the heat dissipation channel, the force of the fan on the first end causes the nut to move relative to the lead screw, thereby causing the fan to move along the extension direction of the heat dissipation channel until the fan is located in the first space and the second space.

[0018] In combination with the first aspect, in some achievable manners, the second wind shielding structure further includes a bracket, the bracket is rotatably connected to the third end, and the bracket is slidably connected to the housing along the extension direction of the heat dissipation channel.

[0019] In combination with the first aspect, in some achievable manners, the second wind shielding structure further includes a torsion spring, one end of which is elastically connected to the third end, and the other end of which is elastically connected to the bracket.

[0020] In combination with the first aspect, in some achievable ways, the second windshield structure further comprises a rotating part and a rotating shaft. The rotating part is connected to the third end. The rotating shaft comprises a first section and a second section connected to each other, and the bracket is connected to the first section. The rotating part is provided with a first groove, and the second section is located in the first groove and is rotatably connected to the rotating part.

[0021] In combination with the first aspect, in some achievable manners, the second wind shielding structure further includes a limiting portion. The limiting portion is connected to the third end, the limiting portion is spaced apart from the rotating portion, and a projection of the limiting portion on the end surface of the first section at least partially overlaps with the first section.

[0022] In combination with the first aspect, in some achievable manners, the second windshield structure further includes a positioning portion. The positioning portion is connected to the bracket, and the positioning portion is provided with a second groove, and the first section is located in the second groove and is interference-fitted with the first section.

[0023] In combination with the first aspect, in some achievable manners, the second wind shielding structure further comprises a booster. The booster is connected to a side of the bracket away from the rotating shaft, and the booster abuts against the fan. Since the booster abuts against the fan, the booster is connected to a side of the bracket away from the rotating shaft.

[0024] In combination with the first aspect, in some achievable manners, the second wind shielding structure further includes a sliding rod and a slider that are slidably connected. The extension direction of the sliding rod is parallel to the extension direction of the heat dissipation channel. The slider is connected to the third end, and the sliding rod is connected to the housing; or, the slider is connected to the housing, and the sliding rod is connected to the third end.

[0025] In combination with the first aspect, in some achievable manners, the second windshield structure further comprises an elastic member. The elastic member is sleeved on the slide bar. One end of the elastic member is elastically connected to the slider, and the other end of the elastic member is elastically connected to an end of the slide bar away from the third end.

[0026] In combination with the first aspect, in some achievable manners, the second wind shielding structure further includes a first stopper connected to an end of the slide bar away from the third end, and elastically connected to an end of the elastic member away from the slide block.

[0027] In combination with the first aspect, in some practicable embodiments, the second wind shielding structure further includes a second stop portion, and the second stop portion is connected to the end portion of the sliding rod close to the third end.

[0028] In combination with the first aspect, in some achievable manners, a power supply device or a structural reinforcement is provided between the second end and the fourth end. Since the power supply device or the structural reinforcement is located between the second end and the fourth end, the power supply device or the structural reinforcement will not hinder the movement of the first baffle and the second baffle. The opening and closing of the first baffle and the second baffle will not be affected. The compactness of the chassis is increased.

[0029] In a second aspect, an embodiment of the present application provides a chassis. The chassis includes a shell, a first wind shield structure and a second wind shield structure. The shell is provided with a heat dissipation channel, and the first wind shield structure and the second wind shield structure are both located in the heat dissipation channel. The first wind shield structure includes a first baffle, and the first baffle includes a first end and a second end opposite to each other, and the first end rotates with the shell and is slidably connected along the extension direction of the heat dissipation channel. The fourth end faces the second end, and the first baffle and the second baffle divide the heat dissipation channel into a first space and a second space. Since the three ends rotate with the shell and are slidably connected along the extension direction of the heat dissipation channel. The first end rotates with the shell and is slidably connected along the extension direction of the heat dissipation channel. When the first baffle and the second baffle are unfolded, the area between the second end and the fourth end will not block the opening and closing of the first baffle and the second baffle. The area between the second end and the fourth end can be fully utilized to further improve the compactness of the chassis.

[0030] In a third aspect, an embodiment of the present application provides an electronic device, the electronic device comprising: an electronic device and any one of the chassis provided in the first and second aspects, the electronic device being located in the housing; the fan being used to dissipate heat for the electronic device. Since the chassis is highly compact, the electronic device is also highly compact, which is conducive to reducing the volume occupied by the electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application.

[0032] Figure 2 It is a structural diagram of a host in the related technology.

[0033] Figure 3a A schematic diagram of the state structure of a chassis provided in an embodiment of the present application.

[0034] Figure 3b A schematic diagram of another state structure of the chassis provided in an embodiment of the present application.

[0035] Figure 4a A structural schematic diagram of a first windshield structure provided in an embodiment of the present application from one perspective.

[0036] Figure 4b A schematic diagram of the structure of the first baffle and the bracket provided in an embodiment of the present application.

[0037] Figure 4c for Figure 4b Schematic diagram of the enlarged structure at F in the middle.

[0038] Figure 4d A structural schematic diagram of another perspective of the first wind shield structure provided in an embodiment of the present application.

[0039] In the figure: 01-host; 02-housing; 03-first door panel; 04-second door panel; 05-fan module; 002-air duct; 10-electronic equipment; 11-electronic device; 30-heat dissipation channel; 31-power supply device; 32-structural reinforcement; 100-chassis; 101-first end; 102-second end; 103-third end; 104-fourth end; 105-first space; 106-second space; 110-housing; 120-first wind shielding structure; 121 -first baffle; 122-bracket; 123-torsion spring; 124-rotating part; 1241-first groove; 125-rotating shaft; 1251-first section; 1252-second section; 126-limiting part; 127-positioning part; 1271-second groove; 128-boosting member; 130-second wind shielding structure; 131-second baffle; 140-fan; 151-sliding rod; 152-sliding block; 153-elastic member; 154-first stopper; 155-second stopper. DETAILED DESCRIPTION

[0040] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings.

[0041] In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0042] In addition, in the present application, directional terms such as "upper" and "lower" are defined relative to the orientation of the components in the drawings. It should be understood that these directional terms are relative concepts. They are used for relative description and clarification, and they can change accordingly according to the changes in the orientation of the components in the drawings.

[0043] Figure 1 This is a schematic diagram of the structure of an electronic device 10 provided in an embodiment of the present application. Figure 1 , the electronic device 10 includes an electronic device 11 and a chassis 100, and the electronic device 11 is connected to the chassis 100. The embodiment of the present application does not limit the type of the electronic device 10. For example, the electronic device 10 can be a storage device, a server, or a network switch. The chassis 100 includes a shell 110, a first wind shielding structure 120, a fan 140, and a second wind shielding structure 130. The first wind shielding structure 120 is connected to the shell 110 in a sliding and rotatable manner, and the second wind shielding structure 130 is connected to the shell 110 in a sliding and rotatable manner. The fan 140 is connected to the shell 110 in a sliding manner, Figure 1The middle arrow indicates the direction in which the fan 140 is inserted into the housing 110. The electronic device 11 is located in the housing 110, and the fan 140 has the function of guiding cold air (such as air) to enter the housing 110 to dissipate heat for the electronic device 11.

[0044] The housing 110 includes a heat dissipation channel 30 and a fan 140, and the fan 140 and the housing 110 are detachably connected. The embodiment of the present application does not limit the number of heat dissipation channels 30 in the housing 110, for example, it can be one, two, three or more. In the embodiment where the number of heat dissipation channels 30 is multiple, the multiple heat dissipation channels 30 are independently arranged. Figure 1 , the extension direction of the heat dissipation channel 30 is direction A, and the width direction of the heat dissipation channel 30 is direction B. The embodiment of the present application does not limit the arrangement relationship of the multiple heat dissipation channels 30. For example, multiple heat dissipation channels 30 are arranged in an array, and one, two, three or more heat dissipation channels 30 can be set in each row. A heat dissipation channel 30 is slidably connected to a fan 140, so that the fan 140 can be inserted into the heat dissipation channel 30 and can be pulled out from the heat dissipation channel 30. The cold air enters the housing 110 from the heat dissipation channel 30 and is output after heat exchange with the electronic device 11. In this process, the fan 140 provides power for the gas to make the gas flow, so as to achieve the purpose of cooling the electronic device 10. Among them, the gas entering the fan 140 can be the cold air before heat exchange with the electronic device 11, or it can be the gas carrying heat after heat exchange with the electronic device 11.

[0045] In some scenarios, for example, when the fan 140 needs to be replaced or repaired, the fan 140 needs to be removed from the heat dissipation channel 30. After the fan 140 is removed, in order to prevent the heat dissipation channel 30 where the removed fan 140 is located from affecting the gas flow direction in the housing 110, the first wind shielding structure 120 and the second wind shielding structure 130 jointly block the heat dissipation channel 30. The heat dissipation channel 30 where the removed fan 140 is located is closed to prevent the air pressure in the heat dissipation channel 30 from changing and causing a short circuit in the gas flow channel in the housing 110. When the fan 140 and the heat dissipation channel 30 are connected, the first wind shielding structure 120 and the second wind shielding structure 130 open the heat dissipation channel 30 so that the gas is guided by the fan 140.

[0046] Figure 2 FIG. 1 is a schematic diagram of the structure of the host 01 in the related art. Figure 2 The host 01 includes a housing 02, a first door panel 03, a second door panel 04 and a fan module 05. An air duct 002 is provided in the housing 02, and the first door panel 03 and the second door panel 04 are located in the air duct 002 and are hinged to the housing 02. The fan module 05 is detachably connected to the housing 02. When the fan module 05 and the housing 02 are in a disassembled state, the first door panel 03 and the second door panel 04 close the air duct 002. Figure 2In the embodiment, the fan module 05 and the housing 02 are in a connected state, in which the fan module 05 is located between the first door panel 03 and the second door panel 04 .

[0047] like Figure 2 As shown by the dotted line, the first door panel 03 and the second door panel 04 rotate relative to the housing 02 in a fan-shaped trajectory, and other components cannot be set in the fan-shaped area. In addition, since the fan module 05 needs to be avoided between the first door panel 03 and the second door panel 04, Figure 2 No other components can be set in the area surrounded by the three dotted lines. In addition, since the fan module 05 is located between the first door panel 03 and the second door panel 04, the width of the fan module 05 needs to be less than or equal to the difference between the width of the closed air duct 002 and the thickness of the first door panel 03 and the thickness of the second door panel 04. That is, the width of the fan module 05 needs to be less than or equal to H-D1-D2. The gap sizes between the fan module 05 and the inner walls on both sides of the air duct 002 are D1 and D2 respectively, and the above two gaps are not fully utilized, resulting in a non-compact structure of the host 01.

[0048] Therefore, the embodiment of the present application provides a chassis 100 that can fully utilize the space of the heat dissipation channel 30 to improve the structural compactness of the chassis 100 .

[0049] Figure 3a A schematic diagram of a state structure of the chassis 100 provided in an embodiment of the present application. Figure 3a , Figure 3a Only one heat dissipation channel 30 is exemplified, and the structures of other heat dissipation channels 30 located in the housing 110 are similar. The heat dissipation channel 30 extends along the A direction. A first wind shielding structure 120 and a second wind shielding structure 130 are provided in each heat dissipation channel 30. The first wind shielding structure 120 includes a first baffle 121. The first baffle 121 includes a first end 101 and a second end 102 opposite to each other, the first end 101 and the housing 110 rotate and slide in the A direction, and the second end 102 is a free end. The second wind shielding structure 130 includes a second baffle 131, and the second baffle 131 includes a third end 103 and a fourth end 104 opposite to each other, the third end 103 and the housing 110 rotate and slide in the A direction, and the fourth end 104 is a free end. The fan 140 is located in the heat dissipation channel 30 and is slidably connected to the housing 110. The fan 140 abuts against both the first end 101 and the third end 103.

[0050] Figure 3b This is another state structure diagram of the chassis 100 provided in the embodiment of the present application. Figure 3bThe second end 102 of the first baffle 121 faces the fourth end 104 of the second baffle 131 , and the first baffle 121 and the second baffle 131 separate the heat dissipation channel 30 into a first space 105 and a second space 106 .

[0051] The embodiment of the present application does not limit the shapes of the second end 102 and the fourth end 104 . When the second end 102 faces the fourth end 104 , the heat dissipation channel 30 can be divided into the first space 105 and the second space 106 .

[0052] Figure 3b In the embodiment, when the fan 140 is not located in the heat dissipation channel 30, the first baffle 121 and the second baffle 131 separate the heat dissipation channel 30 into a first space 105 and a second space 106. The fan 140 abuts against both the first end 101 and the third end 103. The fan 140 is located in the first space 105 and the second space 106.

[0053] The embodiment of the present application does not limit the size of the fan 140 in the first space 105 along the A direction and the size of the fan 140 in the second space 106 along the A direction. For example, the size of the portion of the fan 140 in the first space 105 along the A direction is greater than the size of the portion of the fan 140 in the second space 106 along the A direction. Alternatively, the size of the portion of the fan 140 in the first space 105 along the A direction is equal to the size of the portion of the fan 140 in the second space 106 along the A direction. Alternatively, the size of the portion of the fan 140 in the first space 105 along the A direction is smaller than the size of the portion of the fan 140 in the second space 106 along the A direction.

[0054] like Figure 3a As shown, the fan 140 is in contact with both the first end 101 and the third end 103. The first baffle 121 can avoid the fan 140 at all positions except the first end 101, and the second baffle 131 can avoid the fan 140 at all positions except the third end 103. The thickness of the fan 140 has nothing to do with the size of the first baffle 121 along the B direction. The aforementioned thickness of the fan 140 refers to the size of the fan 140 along the B direction. In this way, when the fan 140 can slide relative to the heat dissipation channel 30, the size of the fan 140 along the B direction can be infinitely close to the size of the heat dissipation channel 30 along the B direction (such as Figure 3a L in the figure). The space of the heat dissipation channel 30 can be fully utilized. Alternatively, when the heat dissipation capacity of the fan 140 is the same, the size of the heat dissipation channel 30 along the B direction can be reduced to improve the compactness of the chassis 100. In other words, on the basis of the equal size of the heat dissipation channel 30 along the B direction, the size of the fan 140 can be increased to improve the heat dissipation efficiency. When the fan 140 is not located in the heat dissipation channel 30, as shown in FIG. Figure 3bThe first space 105 and the second space 106 are independent of each other, so as to avoid the gas in the second space 106 from overflowing through the first space 105. This avoids affecting the flow direction of the airflow in other heat dissipation channels 30, avoiding airflow turbulence and airway short circuit, and affecting the heat dissipation performance of other fans 140.

[0055] In addition, since the first end 101 and the housing 110 are connected by rotation and sliding along the A direction, the first baffle 121 can be rotated relative to the housing 110 until the first baffle 121 extends along the A direction and then slides along the A direction. Figure 3a The arc dotted line e1 in the figure is the motion trajectory of the second end 102 rotating relative to the housing 110. When the fan 140 contacts the first end 101, the area C1 near the second end 102 avoids the first baffle 121, so that the components located in the C1 area will not affect the opening and closing of the first baffle 121. The C1 area can be fully utilized to further improve the compactness of the chassis 100.

[0056] Similarly, the second baffle 131 rotates relative to the housing 110 until the second baffle 131 extends along the A direction, and then slides along the A direction. Figure 3a The arc dotted line e2 in FIG. 1 is the motion track of the second end 102 rotating relative to the housing 110. Accordingly, the area C2 near the fourth end 104 avoids the second baffle 131, and the area C2 can be fully utilized to further improve the compactness of the chassis 100.

[0057] For example, in some embodiments, Figure 3a As shown, a power supply device 31 is provided between the second end 102 and the fourth end 104. Figure 3a In the state shown, the distance between the power supply device 31 and the second end 102 along the B direction is greater than 0 and less than 10 cm (centimeter), for example, it can be 1 cm, 2 cm, 4 cm, 3 cm, 7 cm, 8 cm or 10 cm. In this way, the power supply device 31 will not hinder the movement of the first baffle 121. At the same time, the C1 area can be fully utilized. Increase the compactness of the chassis 100. The embodiment of the present application does not limit the type of the power supply device 31. Exemplarily, the power supply device 31 is, for example, a copper bus or a power supply backplane. It can be understood that in other embodiments, the power supply device 31 can also be located in the C2 area to make full use of the space in the C2 area.

[0058] In some embodiments, Figure 3a As shown, a structural reinforcement member 32 is provided between the second end 102 and the fourth end 104. For example, the first baffle 121 is located Figure 3aIn the state shown, the distance between the structural reinforcement 32 and the second end 102 along the B direction is greater than 0 and less than 10 cm, for example, it can be 1 cm, 2 cm, 4 cm, 3 cm, 7 cm, 8 cm or 10 cm. Similarly, the structural reinforcement 32 will not hinder the movement of the first baffle 121. At the same time, the C1 area can be fully utilized. Increase the compactness of the chassis 100. Exemplarily, the structural reinforcement 32 can be a reinforcing rib or a support rod. Accordingly, the structural reinforcement 32 can also be located in the C2 area to fully utilize the space in the C2 area.

[0059] In the case where the power supply device 31 does not block the heat dissipation channel 30, the volume and quantity of the power supply device 31 are not limited. Similarly, in the case where the structural reinforcement member 32 does not block the heat dissipation channel 30, the volume and quantity of the structural reinforcement member 32 are not limited.

[0060] The present application embodiment does not limit the structures of the first windshield structure 120 and the second windshield structure 130. In some embodiments, the structures of the first windshield structure 120 and the second windshield structure 130 are the same. Figure 4a , Figure 4b , Figure 4c as well as Figure 4d The first wind shielding structure 120 is exemplarily introduced.

[0061] A schematic diagram of the structure from one perspective. Figure 4a In the embodiment, the first wind shielding structure 120 includes a first baffle 121 and a bracket 122. The first end 101 of the first baffle 121 is rotatably connected to the bracket 122. The bracket 122 is connected to the housing 110 along the heat dissipation channel 30 (such as Figure 3b In this way, the first end 101 and the bracket 122 are rotatably connected, so that the first baffle 121 rotates relative to the housing 110. In addition, the bracket 122 is slidably connected to the housing 110 along the A direction, so that the bracket 122 and the first baffle 121 can slide relative to the housing 110 along the A direction. Thus, the first baffle 121 can move from the state where the first end 101 and the fan 140 are in contact to the state where the first baffle 121 and the second baffle 131 separate the heat dissipation channel 30 into the first space 105 and the second space 106.

[0062] The embodiment of the present application does not limit the structure of the bracket 122. For example, the bracket 122 is a plate-shaped structure. The embodiment of the present application does not limit the manner in which the bracket 122 and the first baffle 121 are rotatably connected.

[0063] Figure 4b Schematic diagram of a part of the structure of the first wind shielding structure 120 provided in the embodiment of the present application. Figure 4bAs shown, the first wind shielding structure 120 further includes a torsion spring 123, one end of which is elastically connected to the bracket 122, and the other end of which is elastically connected to the first end 101 of the first baffle 121. When the first baffle 121 and the bracket 122 are subjected to an applied force, the first baffle 121 and the bracket 122 rotate relative to each other in a positive direction, and the torsion spring 123 can store the potential energy generated by the rotation. When the aforementioned applied force is removed, the torsion spring 123 can make the first baffle 121 and the bracket 122 rotate relative to each other in a reverse direction until they are restored.

[0064] For example, when the first windshield structure 120 is in Figure 3a In the state shown, the fan 140 abuts against the first end 101, and the torsion spring 123 has a tendency to move the second end 102 of the first baffle 121 away from the bracket 122. When the fan 140 no longer abuts against the first end 101, the torsion spring 123 moves the second end 102 of the first baffle 121 away from the bracket 122 to Figure 3b The elastic potential of the torsion spring 123 can save the first windshield structure 120 from Figure 3a The state shown moves to Figure 3b Manpower required for the status shown.

[0065] The embodiment of the present application does not limit the number and structure of the torsion spring 123. For example, the torsion spring 123 may be a single torsion spring or a double torsion spring, etc. The number of the torsion spring 123 may be one, two, three or more.

[0066] It is understood that in some embodiments, when Figure 3b When the gas pressure of the first space 105 is greater than the gas pressure of the second space 106, the pressure difference between the first space 105 and the second space 106 can make the second end 102 of the first baffle 121 have a tendency to move closer to the bracket 122. When the pressure difference is large enough, the pressure difference can make the second end 102 of the first baffle 121 move away from the bracket 122 to Figure 3b In this way, the first wind shielding structure 120 may not be provided with a torsion spring 123. Alternatively, the first wind shielding structure 120 may be manually Figure 3a The status shown turns to Figure 3b In the state shown, the first wind shielding structure 120 may not be provided with the torsion spring 123 .

[0067] Figure 4c for Figure 4b The enlarged structural diagram of F in the figure. Figure 4cAs shown, the first wind shielding structure 120 further includes a rotating portion 124 and a rotating shaft 125, and the rotating portion 124 is connected to the first end 101 of the first baffle 121. The rotating shaft 125 includes a first section 1251 and a second section 1252, and the first section 1251 and the second section 1252 are connected to each other. The first section 1251 is connected to the bracket 122, and the rotating portion 124 is provided with a first groove 1241, and the second section 1252 is located in the first groove 1241 and is rotatably connected to the rotating portion 124. In this way, the first end 101 is rotatably connected to the second section 1252, and the first section 1251 is connected to the bracket 122, so that the first end 101 is rotatably connected to the bracket 122.

[0068] As described above, in the embodiment where the first wind shielding structure 120 includes the torsion spring 123 , the torsion spring 123 is sleeved on the rotating shaft 125 .

[0069] The embodiment of the present application does not limit the shape of the surface of the rotating portion 124 away from the first groove 1241. For example, the surface of the rotating portion 124 away from the first groove 1241 is arc-shaped. The embodiment of the present application does not limit the connection relationship between the rotating portion 124 and the first end 101. For example, the rotating portion 124 and the first end 101 are connected as an integral molded part. For example, the rotating portion 124 can be formed by bending the free end of the first end 101 to reduce the number of parts of the first windshield structure 120. The compactness of the first windshield structure 120 is improved, and the weight of the first windshield structure 120 can also be reduced.

[0070] The embodiment of the present application does not limit the number of rotating parts 124. For example, the rotating parts 124 may be one, two or more. In the embodiment where there are multiple rotating parts 124, the multiple rotating parts 124 are distributed along the axial direction of the rotating shaft 125. The points of force of the first end 101 and the rotating shaft 125 are increased to increase the structural stability of the first windshield structure 120. The embodiment of the present application does not limit the number of rotating shafts 125. The number of rotating shafts 125 may be one, two or more. The embodiment of the present application does not limit the shape of the first groove 1241. For example, the first groove 1241 may be a semicircular columnar structure.

[0071] In some embodiments, in order to prevent the rotating shaft 125 from being separated from the first groove 1241 and affecting the connection performance between the rotating part 124 and the first end 101, in some embodiments, the first wind shielding structure 120 further includes a stopper 126, the stopper 126 is connected to the first end 101, the stopper 126 is spaced apart from the rotating part 124, and the projection of the stopper 126 on the end surface of the first section 1251 at least partially overlaps with the first section 1251. In this way, when the rotating shaft 125 moves along the axis, the stopper 126 will abut against the end surface of the rotating shaft 125, preventing the rotating shaft 125 from being separated from the first groove 1241, thereby increasing the connection stability between the rotating part 124 and the first end 101.

[0072] For example, in some embodiments, the stopper 126 and the first end 101 are connected as an integrally formed part. For example, the stopper 126 can be formed by bending the free end of the first end 101. Similarly, the compactness of the first windshield structure 120 can be improved. In some embodiments, a stopper 126 is respectively provided at two opposite ends of the rotating shaft 125. Alternatively, in other embodiments, the stopper 126 is only provided at one end of the rotating shaft 125.

[0073] like Figure 4c As shown, the first wind shielding structure 120 further includes a positioning portion 127, the positioning portion 127 is connected to the bracket 122, the positioning portion 127 is provided with a second groove 1271, and the first section 1251 is located in the second groove 1271 and is interference fit with the first section 1251. In this way, the bracket 122 and the rotating shaft 125 can be relatively fixed by the positioning portion 127, and because the rotating portion 124 is rotatably connected to the rotating shaft 125, the rotating portion 124 and the bracket 122 are rotatably connected.

[0074] Similarly, the number of the positioning parts 127 can be one, two or more. In the embodiment where there are multiple positioning parts 127, the multiple positioning parts 127 are distributed at intervals along the axial direction of the rotating shaft 125. Increasing the support points of the bracket 122 and the rotating shaft 125 increases the structural stability of the first windshield structure 120.

[0075] The embodiment of the present application does not limit the shape of the side of the positioning portion 127 away from the second groove 1271 . For example, the side of the positioning portion 127 away from the second groove 1271 is in an arc shape.

[0076] It is understood that, in some embodiments, the rotating portion 124 can be connected to the bracket 122, and the positioning portion 127 can be connected to the first end 101. In other words, the bracket 122 is rotatably connected to the second section 1252, and the first end 101 is connected to the first section 1251, which can also achieve the rotatable connection between the bracket 122 and the first end 101. Alternatively, in other embodiments, the first baffle 121 and the bracket 122 can be rotatably connected through other structures. For example, the first baffle 121 and the bracket 122 can be rotatably connected through a hinge.

[0077] As mentioned above, the first end 101 is in contact with the fan 140. Figure 4aAs shown, the first wind shielding structure 120 also includes a booster 128, which is connected to the side of the bracket 122 away from the rotating shaft 125, and the booster 128 abuts against the fan 140. The booster 128 provides a fulcrum between the fan 140 and the first baffle 121. In this way, the fan 140 and the bracket 122 can be abutted by the booster 128. Since the first end 101 and the bracket 122 are rotatably connected, the force of the fan 140 on the booster 128 can be transmitted to the first end 101 for abutment. In the process of sliding connection between the fan 140 and the housing 110, the abutment between the fan 140 and the booster 128 causes the first baffle 121 to rotate relative to the bracket 122, and causes the first baffle 121 to slide along the extension direction of the heat dissipation channel 30.

[0078] The embodiment of the present application does not limit the shape of the booster 128. For example, the booster 128 is a convex portion that protrudes along a side away from the second end 102. In some embodiments, the end surface of the fan 140 facing the first end 101 may be provided with a structure that matches the shape of the booster 128, and the structure abuts against the booster 128.

[0079] The embodiment of the present application does not limit the position of the booster 128. For example, the booster 128 is located at the end of the bracket 122 along the extension direction of the heat dissipation channel 30. Alternatively, the booster 128 is located on one side of the bracket 122 close to the heat dissipation channel 30.

[0080] The embodiment of the present application does not limit the structure for realizing the sliding connection of the first wind shielding structure 120 relative to the housing 110. Figure 4a As shown, the first wind shielding structure 120 further includes a sliding rod 151 and a sliding block 152. The sliding rod 151 and the sliding block 152 are slidably connected, and the extending direction of the sliding rod 151 is parallel to the extending direction (direction A) of the heat dissipation channel 30. Figure 4a In the example, the slider 152 is connected to the first end 101 of the first baffle 121, and the slide bar 151 is connected to the housing 110. Alternatively, in other examples, the slider 152 is connected to the housing 110, and the slide bar 151 is connected to the first end 101. In this way, the slider 152 can slide relative to the slide bar 151 together with the first end 101 of the first baffle 121. Alternatively, the slide bar 151 can slide relative to the slider 152 together with the first end 101 of the first baffle 121. The first baffle 121 and the housing 110 slide relative to the extension direction of the heat dissipation channel 30.

[0081] The present embodiment of the present application does not limit the structure of the sliding rod 151 and the sliding block 152. For example, Figure 4a In the embodiment, the slide bar 151 is a round bar, and the slider 152 is provided with a through hole. The diameter of the round bar is smaller than the inner diameter of the through hole, and the round bar passes through the through hole and is slidably connected with the slider 152.

[0082] It is understandable that in other embodiments, a slide rail may be provided on the slide bar 151, and a protrusion may be provided on the slider 152. The protrusion extends into the slide rail and is slidably connected with the slide rail. In this way, the slide bar 151 and the slider 152 may also be slidably connected.

[0083] When the first wind shielding structure 120 is in Figure 3a In the state shown, if the fan 140 is removed from the heat dissipation channel 30, the first baffle 121 needs to be subjected to a force before it can slide along the extension direction of the heat dissipation channel 30 to Figure 3b The state shown. The embodiment of the present application does not limit the source of the force, for example, it can be driven by manpower or realized by structure. In some embodiments of the present application, the force is provided by an elastic member.

[0084] Figure 4a In the embodiment, the first wind shielding structure 120 further includes an elastic member 153, which is sleeved on the slide bar 151. One end of the elastic member 153 is elastically connected to the slider 152, and the other end of the elastic member 153 is elastically connected to the end of the slide bar 151 away from the first end 101 of the first baffle 121.

[0085] Thus, when the first baffle 121 is in Figure 3a In the state shown, the slider 152 compresses the elastic member 153. The elastic member 153 has a tendency to move the slider 152 closer to the first end 101. If the fan 140 is no longer in contact with the first end 101, the elastic member 153 causes the slider 152 to drive the first end 101 of the first baffle 121 to move along the slide bar 151. As a result, the first baffle 121 is in a Figure 3b In other words, when the fan 140 is no longer in contact with the first end 101, the elastic member 153 has a tendency to move the first baffle 121 to separate the first space 105 and the second space 106, and the elastic potential energy of the elastic member 153 can reduce the elastic potential energy of the first baffle 121 to move to Figure 3b For example, no additional drive mechanism may be provided to increase the compactness of the chassis 100. The present application embodiment does not limit the structure of the elastic member 153. For example, the elastic member 153 may be a spring, or the elastic member 153 may be an elastic rubber tube or the like.

[0086] Figure 4d This is a schematic structural diagram of the first wind shielding structure 120 from another perspective provided in an embodiment of the present application. Figure 4d In the embodiment, the slider 152 can move left and right relative to the slide bar 151. In some embodiments, in order to limit the distance that the slider 152 moves relative to the slide bar 151, a stopper is connected to the slide bar 151. Figure 4dIn the embodiment, the first wind shielding structure 120 further includes a first stopper 154, which is connected to the end of the slide bar 151 away from the first end 101 of the first baffle plate 121. The first stopper 154 is elastically connected to an end of the elastic member 153 away from the slider 152. In this way, when the slider 152 slides relative to the slide bar 151, the slider 152 approaches the first stopper 154 until the elastic member 153 can no longer be compressed. In this way, the distance that the slider 152 moves relative to the slide bar 151 can be limited.

[0087] According to the first wind shielding structure 120 being Figure 3a In the state shown, the relative position of the fan 140 and the heat dissipation channel 30 sets the position of the first stopper 154. For example, when the fan 140 is in Figure 3a In the state shown, the slider 152 and the first stopper 154 compress the elastic member 153 until the elastic member 153 can no longer be compressed. Alternatively, the slider 152 can continue to move toward the first stopper 154 by a preset distance, which is greater than or equal to zero.

[0088] Accordingly, as the slider 152 slides relative to the slide bar 151, the slider 152 can slide relative to the slide bar 151 in a positive direction or a reverse direction. In some embodiments, the first wind shielding structure 120 further includes a second stopper 155, and the second stopper 155 is connected to the end of the slide bar 151 near the first end 101 of the first baffle 121. In this way, when the slider 152 slides relative to the slide bar 151 toward the end of the first end 101 near the first baffle 121, the slider 152 will abut against the second stopper 155 to prevent the slider 152 from falling off the slide bar 151.

[0089] The embodiment of the present application does not limit the connection method between the first stopper 154 and the slide bar 151. For example, the first stopper 154 is connected to the housing 110, and the first stopper 154 abuts against the slide bar 151. Similarly, the second stopper 155 is connected to the housing 110, and the second stopper 155 abuts against the slide bar 151.

[0090] In other embodiments of the present application, the method for realizing the sliding connection between the first end 101 of the first baffle 121 and the housing 110 is not limited to Figure 4d In some embodiments, the first wind shield structure may include a gear and a rack that mesh with each other, and the extension direction of the rack is parallel to the extension direction of the heat dissipation channel 30. The first end 101 of the first baffle 121 is connected to the gear. The rack is connected to the housing 110.

[0091] In this way, when the fan 140 abuts against the first end 101, and the fan 140 and the first end 101 move together along the extension direction of the heat dissipation channel 30, the force of the fan 140 on the first end 101 causes the gear and the rack to move relative to each other, so that the fan 140 moves along the extension direction of the heat dissipation channel 30 until the fan 140 is located in the first space 105 and the second space 106. In this way, the mutually meshing gear and rack can also achieve the first end 101 of the first baffle 121 to be slidably connected relative to the housing 110. Alternatively, in some embodiments, the gear is connected to the housing 110, and the rack is connected to the first end 101 of the first baffle 121. Similarly, the first end 101 of the first baffle 121 can also be slidably connected relative to the housing 110.

[0092] In an embodiment, the first end and the housing 110 are slidably connected by a mutually meshing gear and rack. A torsion spring can be sleeved on the gear shaft of the gear, one end of the torsion spring is elastically connected to the rack, and the other end is elastically connected to the gear. When the fan 140 and the first end 101 are in abutment, the torsion spring is compressed. When the fan 140 and the first end 101 are no longer in abutment, the torsion spring causes the gear and the rack to move relative to each other, thereby causing the first end 101 to move in a direction away from the second end 102. The torsion spring can have the function of resetting the first baffle 121.

[0093] In other embodiments of the present application, the first end 101 of the first baffle 121 can be slidably connected relative to the housing 110 by a lead screw and a nut. Exemplarily, the first wind shielding structure also includes a lead screw and a nut, and the extension direction of the lead screw is parallel to the extension direction of the heat dissipation channel. The lead screw is connected to the housing, and the nut is connected to the first end. Similarly, when the fan 140 abuts against the first end 101, and the fan 140 and the first end 101 move together along the extension direction of the heat dissipation channel 30, the force of the fan 140 on the first end 101 causes the nut to move relative to the lead screw, thereby causing the fan 140 to move along the extension direction of the heat dissipation channel 30 until the fan 140 is located in the first space 105 and the second space 106. Alternatively, in some embodiments, the nut is connected to the housing, and the lead screw is connected to the first end. Similarly, the first end 101 of the first baffle 121 can also be slidably connected relative to the housing 110.

[0094] The structure of the first windshield structure 120 is described above. In some embodiments of the present application, the structure of the second windshield structure 130 is the same as that of the first windshield structure 120, which will not be described again. For example, the second baffle 131 can use any of the above structures to achieve a sliding connection between the third end 103 of the second baffle 131 and the housing 110. The second baffle 131 can use any of the above structures to achieve a rotational connection between the third end 103 of the second baffle 131 and the housing 110.

[0095] The embodiment of the present application does not limit the relationship between the distance from the first end 101 to the second end 102 and the distance from the third end 103 to the fourth end 104. Figure 3b In the state shown, the embodiment of the present application does not limit the size of the first baffle 121 and the second baffle 131 along the B direction. Figure 3b In the state shown, the dimension of the first baffle 121 along the B direction is greater than the dimension of the second baffle 131 along the B direction. Alternatively, the dimension of the first baffle 121 along the B direction is equal to the dimension of the second baffle 131 along the B direction.

[0096] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A chassis, characterized in that: The chassis comprises: A housing, wherein the housing is provided with a heat dissipation channel; A first wind shielding structure, located in the heat dissipation channel, includes a first baffle, the first baffle includes a first end and a second end opposite to each other, the first end is rotatable with the housing and slidably connected along the extension direction of the heat dissipation channel; a second wind shielding structure, located in the heat dissipation channel, comprising a second baffle, the second baffle comprising a third end and a fourth end opposite to each other; the third end is rotatably connected to the housing and slidably connected along the extension direction of the heat dissipation channel; the first baffle and the second baffle are used to separate the heat dissipation channel into a first space and a second space; and A fan is located in the heat dissipation channel and is slidably connected to the shell, the fan is in contact with both the first end and the third end, and the fan is located in the first space and the second space.

2. The chassis according to claim 1, characterized in that: The first wind shielding structure further includes a bracket, the bracket is rotatably connected to the first end, and the bracket is slidably connected to the shell along the extension direction of the heat dissipation channel.

3. The chassis according to claim 2, characterized in that: The first wind shielding structure further includes a torsion spring, one end of which is elastically connected to the first end, and the other end of which is elastically connected to the bracket.

4. The chassis according to claim 2 or 3, characterized in that: The first wind shielding structure also includes a rotating part and a rotating shaft, the rotating part is connected to the first end, the rotating shaft includes a first section and a second section connected to each other, the bracket is connected to the first section, the rotating part is provided with a first groove, the second section is located in the first groove and is rotatably connected to the rotating part.

5. The chassis according to claim 4, characterized in that: The first wind shielding structure further includes a limiting portion, which is connected to the first end, and is spaced apart from the rotating portion, and a projection of the limiting portion on an end surface of the first section at least partially overlaps with the first section.

6. The chassis according to claim 4 or 5, characterized in that: The first wind shielding structure further includes a positioning portion, the positioning portion is connected to the bracket, the positioning portion is provided with a second groove, the first section is located in the second groove and is interference fit with the first section.

7. The chassis according to claim 6, characterized in that: The first wind shielding structure further includes a booster, which is connected to a side of the bracket away from the rotating shaft, and abuts against the fan.

8. The chassis according to any one of claims 1 to 7, characterized in that: The first wind shielding structure further comprises a sliding rod and a sliding block which are slidably connected, and the extending direction of the sliding rod is parallel to the extending direction of the heat dissipation channel; The slider is connected to the first end, and the slide bar is connected to the housing; or, the slider is connected to the housing, and the slide bar is connected to the first end.

9. The chassis according to claim 8, characterized in that: The first wind shielding structure also includes an elastic member, which is sleeved on the sliding rod, one end of the elastic member is elastically connected to the sliding block, and the other end of the elastic member is elastically connected to the end of the sliding rod away from the first end.

10. The chassis according to claim 9, characterized in that: The first wind shielding structure further includes a first stopper, the first stopper is connected to the end of the sliding rod away from the first end, and the first stopper is elastically connected to an end of the elastic member away from the sliding block.

11. The chassis according to any one of claims 8 to 10, characterized in that: The first wind shielding structure further includes a second stopper, and the second stopper is connected to an end portion of the sliding rod close to the first end.

12. The chassis according to any one of claims 1 to 7, characterized in that: The first wind shielding structure further includes a gear and a rack meshing with each other, and the extending direction of the rack is parallel to the extending direction of the heat dissipation channel; The rack is connected to the housing, and the gear is connected to the first end, or the gear is connected to the housing, and the rack is connected to the first end.

13. The chassis according to any one of claims 1 to 7, characterized in that: The first wind shielding structure further includes a lead screw and a nut, and the extending direction of the lead screw is parallel to the extending direction of the heat dissipation channel; The lead screw is connected to the first end, and the nut is connected to the housing, or the lead screw is connected to the housing, and the nut is connected to the first end.

14. The chassis according to any one of claims 1 to 13, characterized in that: A power supply device or a structural reinforcement member is arranged between the second end and the fourth end.

15. An electronic device, characterized in that: The electronic device comprises: an electronic device and a chassis according to any one of claims 1 to 14, wherein the electronic device is located in the housing; and the fan is used to dissipate heat for the electronic device.

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