cabinet

Abstract

The application provides a cabinet, and relates to the technical field of energy storage, which comprises a cabinet body, a connecting assembly and a locking assembly, wherein the connecting assembly comprises a first connecting piece with at least one connecting part and a second connecting piece connected with the first connecting piece, and the second connecting piece is provided with the locking assembly; the connecting part is used for being connected with a cooling fan; when it is needed to install the cooling fan on the top surface of the cabinet body, an operator can first fix the cooling fan on the connecting part on the ground, then install the first connecting piece on the top surface of the cabinet body, simultaneously connect the second connecting piece with the side surface of the cabinet body, and finally lock the second connecting piece on the side surface of the cabinet body by using the locking assembly; in this way, the operator does not need to stand on the top surface of the cabinet body to install the cooling fan, and the convenience and installation efficiency of the cooling fan are improved.

Description

Technical Field

[0001] This invention relates to the field of energy storage technology, and in particular to a cabinet. Background Technology

[0002] With the gradual development of new energy sources, the use of energy storage devices has become increasingly widespread. Energy storage devices are usually installed in cabinets to prevent them from being disturbed by the external environment. However, energy storage devices generate heat when they are working. Therefore, cooling fans need to be installed on the cabinets to transfer the heat generated by the energy storage devices to the outside of the cabinets.

[0003] In related technologies, such as Figure 1 As shown, the cabinet includes a cabinet body 100 and a cooling fan 400. The cabinet body 100 has an air inlet and an air outlet. The air inlet is located at the top of the cabinet body 100, and the cooling fan 400 is installed at the air inlet. When the cooling fan is working, outside air flows into the cabinet body 100 through the air inlet, absorbs the heat generated by the energy storage device, and then flows out through the air outlet to carry the heat generated by the energy storage device to the outside of the cabinet body 100.

[0004] However, the installation or removal of the cooling fan requires the operator to stand on top of the cabinet, which is inconvenient. Summary of the Invention

[0005] In view of the above problems, embodiments of the present invention provide a cabinet to solve the problem of inconvenience in the installation or removal of cooling fans in the prior art.

[0006] To achieve the above objectives, the embodiments of the present invention provide the following technical solutions:

[0007] This invention provides a cabinet, comprising: a cabinet body, a connecting assembly, and a locking assembly; the connecting assembly includes a first connector and a second connector connected to the first connector; the first connector is connected to the top surface of the cabinet body, and the first connector has at least one connecting portion for connecting to a cooling fan; the second connector is connected to the side surface of the cabinet body; the locking assembly is connected to the second connector and the side surface of the cabinet body respectively, for locking the second connector to the side surface of the cabinet body.

[0008] In the cabinet described above, the locking assembly includes a rotating shaft, a rotating component, and a locking component; a locking hole is provided on the side of the cabinet body, and a mounting hole opposite to the locking hole is provided on the second connecting component; the rotating shaft is rotatably installed in the mounting hole and the locking hole; the rotating component is connected to one end of the rotating shaft located outside the cabinet body, and the locking component is connected to the other end of the rotating shaft located inside the cabinet body; the rotating component drives the locking component to rotate through the rotating shaft, so that the locking component engages with or disengages from the edge of the locking hole.

[0009] In the cabinet described above, the locking hole is a strip-shaped hole, and the locking element is a locking strip. When the length direction of the locking strip is parallel to the length direction of the strip-shaped hole, the locking element can disengage from the locking hole.

[0010] In the cabinet described above, the locking assembly further includes a fixing member, which is fixed to the second connector and has a through hole communicating with the mounting hole; the rotating shaft passes through the through hole.

[0011] In the cabinet described above, the fixing member is a disc, and the edge of the fixing member is provided with multiple fixing ears, which are spaced apart along the circumference of the fixing member; each fixing ear is fixedly connected to the second connecting member.

[0012] As described above, the top surface of the cabinet is provided with two parallel guide grooves, which are perpendicular to the side of the cabinet where the locking hole is located; the first connector is slidably connected in the guide groove.

[0013] In the cabinet described above, the end face of the first connector facing away from the second connector is provided with two guide surfaces, and the distance between the two guide surfaces gradually increases from the end facing away from the second connector to the end closer to the second connector.

[0014] As described above, the cabinet has a boss on the top surface of the first connector, and at least one ventilation hole on the boss, which passes through the boss and the first connector; the cabinet also has an air outlet on the top surface, which communicates with the ventilation hole.

[0015] As described above, the cabinet further includes a cooling fan connected to the connecting part; the boss is provided with a plurality of screws, which are spaced apart along the circumferential direction of the ventilation holes; the cooling fan is provided with a plurality of connecting through holes, which are arranged one-to-one with the screws; one end of the screw away from the boss passes through the connecting through hole, and a nut is screwed onto the end of the screw away from the boss, which fixes the cooling fan on the boss; the screws constitute the connecting part.

[0016] In the cabinet described above, the first connector is provided with a cable threading boss, the cable threading boss is provided with a cable threading hole, a cable is installed in the cable threading hole, and the cable is connected to the cooling fan.

[0017] The cabinet provided in this embodiment of the invention includes a cabinet body, a connecting component, and a locking component. The connecting component includes a first connector with at least one connecting portion and a second connector connected to the first connector. The second connector is provided with a locking component. The connecting portion is used to connect with a cooling fan. When the cooling fan needs to be installed on the top surface of the cabinet body, the operator can first fix the cooling fan to the connecting portion on the ground, then install the first connector on the top surface of the cabinet body, and simultaneously connect the second connector to the side surface of the cabinet body. Finally, the locking component is used to lock the second connector to the side surface of the cabinet body. In this way, the operator does not need to stand on the top surface of the cabinet body to install the cooling fan, which improves the convenience and efficiency of installing the cooling fan.

[0018] In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions as described above, other technical problems that the cabinets provided by the embodiments of the present invention can solve, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further explained in detail in the specific embodiments. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A structural diagram of the cabinet provided for related technologies;

[0021] Figure 2 A state diagram of a server rack provided in an embodiment of the present invention;

[0022] Figure 3 for Figure 2 Enlarged view of region A in the middle;

[0023] Figure 4 Another state diagram of the cabinet provided in an embodiment of the present invention;

[0024] Figure 5 for Figure 4 Enlarged view of region B in the middle;

[0025] Figure 6 This is a schematic diagram of the cabinet structure provided in an embodiment of the present invention;

[0026] Figure 7 for Figure 6 Enlarged view of region C in the middle;

[0027] Figure 8 This is a schematic diagram of the connecting component, locking component, and cooling fan provided in an embodiment of the present invention;

[0028] Figure 9 A perspective view of the connection component provided in an embodiment of the present invention;

[0029] Figure 10 This is a front view of the connection component provided in an embodiment of the present invention;

[0030] Figure 11 A perspective view of the locking assembly provided in an embodiment of the present invention;

[0031] Figure 12 Right view of the locking assembly provided in an embodiment of the present invention;

[0032] Figure 13 This is a diagram illustrating a usage state of the locking assembly provided in an embodiment of the present invention.

[0033] Figure 14 This is another usage state diagram of the locking assembly provided in an embodiment of the present invention.

[0034] Figure label:

[0035] 100: Cabinet;

[0036] 110: Locking hole;

[0037] 120: Guide groove;

[0038] 130: Top surface;

[0039] 140: Side view;

[0040] 150: Bottom;

[0041] 160: Support frame;

[0042] 200: Connection component;

[0043] 210: First connector;

[0044] 211: Connecting part;

[0045] 220: Second connector;

[0046] 221: Mounting hole;

[0047] 230: Guide surface;

[0048] 240: Boss;

[0049] 250: Ventilation hole;

[0050] 260: Threading boss;

[0051] 261: Threading hole;

[0052] 270: Nut;

[0053] 300: Locking assembly;

[0054] 310: Shaft;

[0055] 320: Rotating component;

[0056] 330: Locking component;

[0057] 340: Fastener;

[0058] 350: Fixed ear;

[0059] 400: Cooling fan;

[0060] 410: Protective shield. Detailed Implementation

[0061] like Figure 1 As shown, a server rack generally includes a cabinet 100 and a cooling fan 400 installed on the top surface of the cabinet 100. The cabinet 100 contains an energy storage device, and the cooling fan 400 can dissipate the heat generated by the energy storage device to the outside of the cabinet 100. When installing or removing the cooling fan 400, the operator needs to stand on the top surface of the cabinet 100 to perform the operation, which is inconvenient.

[0062] To this end, embodiments of the present invention provide a cabinet. By setting up a connecting component and a locking component, the operator can fix the cooling fan to the first connector of the connecting component on the ground, then install the first connector on the top surface of the cabinet, and finally use the locking component to lock the second connector of the connecting component to the side of the cabinet, thereby improving the convenience and efficiency of installation.

[0063] To make the above-mentioned objectives, features, and advantages of the embodiments of the present invention more apparent and understandable, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0064] like Figures 2 to 5 As shown, the cabinet provided in this embodiment of the invention includes a cabinet body 100, a connecting component 200, a locking component 300, and a cooling fan 400.

[0065] The cabinet 100 serves as the supporting component of the server rack, supporting the connecting assembly 200, the locking assembly 300, and the cooling fan 400, such as... Figure 6 and Figure 7 As shown, the cabinet 100 may include a bottom surface 150, a top surface 130, and a side surface 140 connected between the bottom surface 150 and the top surface 130 (only part of the side surface and part of the top surface are shown in the figure). The bottom surface 150, the top surface 130, and the side surface 140 form a receiving cavity. The receiving cavity is used to install electrical equipment or battery energy storage equipment. By installing the electrical equipment or battery energy storage equipment in the receiving cavity, the equipment can be protected and prevented from being interfered with by the external environment.

[0066] To accommodate electrical equipment or battery storage devices within the housing, an openable door (not shown) is provided on the side 140. Furthermore, multiple support racks 160 are installed within the housing. Taking a vertical rack installation as an example, the multiple support racks 160 can be spaced vertically along the inner surface of the side 140, thereby improving the utilization rate of the housing.

[0067] Electrical equipment or battery energy storage equipment generates a lot of heat during operation. In order to dissipate the heat inside the cabinet 100, an air inlet (not shown in the figure) and an air outlet (not shown in the figure) are usually provided on the cabinet 100. For example, the air outlet can be provided on the bottom surface 150 or the side surface 140, and the air inlet is provided on the top surface 130. Outside air flows into the cabinet 100 through the air inlet, absorbs the heat generated by the energy storage equipment or electrical equipment, and then flows out through the air outlet to diffuse the heat to the outside of the cabinet 100.

[0068] To improve the heat dissipation capacity of the cabinet 100, a cooling fan 400 is typically installed at the air inlet. When the cooling fan 400 is working, it can quickly remove heat from inside the cabinet 100 to the outside. The cooling fan 400 can be an axial fan or a centrifugal fan. Furthermore, the positional relationship between the cooling fan 400 and the cabinet 100 can be varied. For example, when the server rack includes one cabinet 100, the cooling fan 400 can be positioned anywhere on the top surface of the cabinet; or, when the server rack includes two cabinets 100 arranged side-by-side, such as... Figure 2 and Figure 3 As shown, the cooling fan 400 can be installed at the contact point of the two cabinets 100, and the contact point has a heat dissipation duct. The heat dissipation duct is connected to the receiving cavity of both cabinets 100. In this way, one cooling fan 400 can dissipate heat from both cabinets 100, reducing the number of cooling fans 400 and thus reducing the production cost of the cabinet.

[0069] When the cabinet 100 is installed indoors and its size is large, the distance between the top surface 130 of the cabinet 100 and the roof is small, resulting in a small operating space for the operator, increasing the difficulty of operation and reducing installation efficiency. Therefore, in this embodiment of the invention, the cooling fan 400 is installed on the top surface of the cabinet 100 through the connecting component 200. The connecting component 200 and the top surface of the cabinet 100 are detachably connected. When the cooling fan needs to be installed, the cooling fan 400 can be installed on the connecting component 200 on the ground first, and then the connecting component 200 can be installed on the top surface of the cabinet 100. In this way, the installation of the cooling fan 400 is not affected by the distance between the top surface of the cabinet 100 and the roof, improving the convenience of installation.

[0070] like Figures 8 to 10 As shown, the connection assembly 200 may include a first connector 210 and a second connector 220 connected to the first connector 210, wherein the first connector 210 is used to support the cooling fan 400, for example, as Figure 8 As shown, the first connector 210 can be a rectangular connector plate. The upper surface of the connector plate is used to install the cooling fan 400, and the lower surface of the connector plate is in contact with the top surface of the cabinet 100.

[0071] The top surface of the first connector 210 is also provided with a boss 240, so that the connecting part 211 can be set on the boss 240. However, in related technologies, the connecting part 211 is directly fixed to the first connector 210. For example, when the connecting part 211 is a press-fit screw, a threaded hole is usually provided on the first connector 210, the threaded section of the press-fit screw is screwed into the threaded hole, and the nut of the press-fit screw is pressed against the lower surface of the first connector. In this way, when the first connector 210 is installed, the nut of the press-fit screw will wear the top surface of the cabinet 100, reducing the service life of the cabinet 100.

[0072] In this embodiment of the invention, by setting the connecting part 211 on the boss 240, the nut of the rivet screw can be fixed inside the boss, unlike in related technologies where the nut of the rivet screw is located on the lower surface of the first connector, thus improving the service life of the cabinet 100.

[0073] The boss 240 is provided with at least one ventilation hole 250, which penetrates the boss 240 and the first connecting member 210. An air inlet is also provided on the top surface of the cabinet 100, communicating with the ventilation hole 250. Thus, when the cooling fan is operating, it draws in cool air from the external environment and blows it into the cabinet through the air outlet of the central air duct. The cool air absorbs heat from the electrical equipment or battery storage device, and the hot air is then dissipated into the environment through the air outlet of the cabinet 100. The number of ventilation holes 250 matches the number of cooling fans 400. (Continue to refer to...) Figure 8 The cooling fan 400 has three units, and correspondingly, there are also three ventilation holes. These three ventilation holes are spaced apart along the extension direction of the first connector. Figure 9 The direction of the arrow in the image.

[0074] As an alternative to the connection part 211, continue to refer to Figure 8 and Figure 9 The connecting part 211 can be a screw. Taking the boss 240 with only one ventilation hole 250 as an example, the boss 240 is provided with multiple screws, which are distributed at intervals along the circumference of the ventilation hole 250. The cooling fan 400 is provided with multiple connecting through holes, which are set one-to-one with the screws. The end of the screw away from the boss 240 passes through the connecting through hole and extends to the outside of the cooling fan 400. A nut 270 is screwed onto the protruding part, and the nut 270 is used to apply a fastening force to the screw, thereby improving the connection strength between the screw and the cooling fan 400.

[0075] Continue to refer to Figure 9 and Figure 10The top surface of the first connector 210 is also provided with at least one wire-passing boss 260, the number of which matches the number of cooling fans 400. Each wire-passing boss 260 has a wire-passing hole 261, in which a cable is installed. One end of the cable is connected to the cooling fan 400, and the other end is connected to a power supply device to provide power to the cooling fan. In this embodiment, the wire-passing boss 260 and the wire-passing hole 261 on the first connector 210 guide the cable, preventing it from being laid on the top surface of the first connector and reducing wear. Furthermore, a protective cover 410 can be provided over the cooling fan 400 to protect it. The wire-passing boss 260 can be a square wire-passing block with a wire-passing hole 261 extending through its thickness.

[0076] Continue to refer to Figure 6 and Figure 7 To facilitate the quick installation of the first connector 210 on the top surface 130 of the cabinet 100, two parallel guide grooves 120 can be provided on the top surface 130 of the cabinet 100. The first connector 210 is slidably connected within the guide grooves 120. The guide grooves 120 can be perpendicular to the side surface 140 of the cabinet 100 where the locking hole 110 is located, meaning that the guide grooves 120 extend along the extension direction of the first connector 210. Furthermore, the guide grooves 120 can include a first guide plate fixed to the top surface of the cabinet 100 and a second guide plate connected to the first guide plate. The first guide plate and the second guide plate have a preset angle, so that the first guide plate and the second guide plate, together with the top surface of the cabinet 100, form a U-shaped groove with the opening facing the center area of ​​the top surface.

[0077] Continue to refer to Figure 9 The first connector 210 has two guide surfaces 230 on its end face away from the second connector 220. The distance between the two guide surfaces 230 gradually increases from the end away from the second connector 220 to the end closer to the second connector 220. The guide surfaces 230 can provide guidance for the installation of the first connector 210.

[0078] Continue to refer to Figure 4 and Figure 5The second connector 220 is used to connect to the side 140 of the cabinet 100. That is, the inner side of the second connector 220 fits against the side 140 of the cabinet 100, providing a limiting function for the installation of the first connector. For example, the second connector 220 can be a rectangular connecting plate, and the angle between the second connector 220 and the first connector 210 is a right angle. The second connector 220 can be fixedly connected to the first connector 210 by welding or bonding, or it can be an integral part of the first connector 210, increasing the connection strength between the two.

[0079] The second connector 220 is provided with a locking component 300, which is used to lock the second connector 220 onto the side 140 of the cabinet 100, thereby fixing the connector 200.

[0080] like Figure 11 and Figure 12 As shown, the locking assembly 300 includes a rotating shaft 310, a rotating component 320, and a locking component 330. The cabinet 100 has a locking hole 110 on its side 140, and a mounting hole 221 opposite to the locking hole 110 on the second connecting component 220. The rotating shaft 310 is rotatably mounted in the mounting hole 221 and the locking hole 110. The rotating component 320 is connected to the end of the rotating shaft 310 located outside the cabinet 100, and the locking component 330 is connected to the other end of the rotating shaft 310 located inside the cabinet 100. Furthermore, the locking hole 110 is a strip-shaped hole, and correspondingly, the locking component 330 is a locking strip that matches the strip-shaped hole.

[0081] The locking assembly 300 has two states. For example, when the length direction of the locking member 330 is aligned with the length direction of the locking hole 110, the locking member 330 can pass through the locking hole 110 and be located outside the cabinet 100, causing the locking member 330 to disengage from the locking hole 110. At this time, the locking assembly 300 is in the open state. Figure 13 As shown. For example, when the locking element 330 passes through the locking hole 110 and is located inside the cabinet 100, rotating the rotating component counterclockwise causes the locking element to rotate counterclockwise via the rotating shaft, so that the length direction of the locking element 330 forms a preset angle with the length direction of the locking hole 110, thereby engaging the locking element 330 with the edge of the locking hole 110. At this time, the locking element 330 is in a locked state. Optionally, the preset angle is 90°, such as... Figure 14 As shown. It is understandable that the length direction of the locking hole and the length direction of the locking component can be... Figure 12 in the Y direction.

[0082] In addition, the rotating shaft 310 and the rotating part 320, as well as the rotating shaft 310 and the locking part 330, can be fixedly connected by means of screwing, snapping, welding or bonding.

[0083] When it is necessary to install the connecting assembly 200 and the cooling fan 400 on the top surface of the cabinet 100, first fix the cooling fan 400 to the connecting assembly 200, and then move the first connector 210 along the extension direction of the guide groove 120. At this time, the position of the connecting assembly 200 is as follows: Figure 2 As shown, continue moving the first connector 210 until the second connector 220 abuts against the side 140 of the cabinet 100. The position of the connecting assembly 200 is as follows. Figure 4 As shown, at this time, the locking member 330 will pass through the locking hole 110 and be located inside the cabinet 100. Finally, the rotating member 320 is rotated, causing the rotating member 320 to drive the rotating shaft 310 and the locking member 330 to rotate, so that the locking member 330 engages with the edge of the locking hole 110, thereby fixing the connecting component 200.

[0084] When the cooling fan 400 needs maintenance or replacement after a period of use, rotate the rotating component 320. This rotates the shaft 310 and the locking component 330, making the length of the locking component 330 parallel to the length of the locking hole 110. At this point, the operator can pull the first connecting component 210, causing it to move along... Figure 4 The arrow moves in the direction of the lock, thereby disengaging the locking member 330 from the locking hole 110 and disassembling the connecting component 200.

[0085] Whether installing or removing the connecting component 200, unlike in related technologies where operators must stand on the cabinet 100 to perform the operation, the cooling fan can be installed or removed quickly, improving efficiency.

[0086] The connection between the locking assembly 300 and the second connector 220 can be achieved in various ways. For example, the shaft can be directly rotatably connected to the mounting hole 221 and the locking hole 110. Alternatively, the shaft 310 can be mounted on the second connector 220 via the fixing member 340. Figure 11 and Figure 12 As shown, the fastener 340 is fixed to the second connector 220. The fastener 340 has a through hole (not shown in the figure) communicating with the mounting hole 221. The rotating shaft 310 passes through the through hole, the mounting hole 221, and the locking hole 110 in sequence. The connection relationship between the fastener 340 and the second connector 220 can have various options, such as welding, bonding, or bolt connection.

[0087] As an alternative to the fastener 340, the fastener 340 is a disc with multiple fixing ears 350 on its edge. The multiple fixing ears 350 are spaced apart along the circumference of the fastener 340. Each fixing ear 350 can be fixedly connected to the second connector 220 by bolts. Compared with the method of welding the fixing ears 350 to the second connector 220, when the locking assembly 300 is damaged, the locking assembly 300 can be replaced, which improves the installation convenience of the locking assembly 300.

[0088] The fixing ear 350 can be a strip-shaped fixing plate. The fixing ear 350 and the fixing member 340 can be fixedly connected by snap-fit ​​or welding. The fixing ear 350 and the fixing member 340 can also be integrally formed, so that the fixing ear 350 and the fixing member 340 can be smoothly transitioned and the appearance can be optimized.

[0089] Continue to refer to Figure 12 The thickness of the fixed ear 350 must not exceed the thickness of the rotating part 320, taking the dimension along the horizontal direction X as the thickness. If the thickness of the fixed ear 350 is greater than the thickness of the rotating part 320, interference will occur between the fixed ear 350 and the rotating part 320 in the horizontal direction X, making it impossible to operate the rotating part 320. Therefore, this embodiment has designed the thickness between the fixed ear 350 and the rotating part 320 to facilitate the operator to rotate the rotating part.

[0090] When the model of electrical equipment or battery storage equipment in the cabinet changes, the heat generated also changes, requiring the replacement of the cooling fan model. In this embodiment of the invention, the cooling fan is installed on the top surface of the cabinet by connecting components. At this time, only the connecting components need to be replaced, unlike related technologies, which require machining an air inlet or air duct on the top surface of the cabinet to match the cooling fan model, thus reducing the modification cost.

[0091] The various embodiments or implementation methods described in this specification are presented in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.

[0092] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A server rack, characterized in that, Includes the cabinet, connecting components, and locking components; The connecting assembly includes a first connector and a second connector connected to one side of the first connector; the first connector is connected to the top surface of the cabinet, and the first connector is provided with at least one connecting part for connecting to a cooling fan; the second connector is connected to the side of the cabinet. The locking assembly is connected to the second connector and the side of the cabinet respectively, and is used to lock the second connector to the side of the cabinet. The top surface of the cabinet is provided with two parallel guide grooves, which are perpendicular to the side of the cabinet where the locking hole is located. The first connector is slidably connected in the guide groove. The first connector has two guide surfaces on its end face away from the second connector, and the distance between the two guide surfaces gradually increases from the end away from the second connector to the end closer to the second connector. The locking assembly includes a rotating shaft, a rotating component, and a locking component; the side of the cabinet is provided with a locking hole, and the second connecting component is provided with a mounting hole opposite to the locking hole. The locking assembly also includes a fixing component, which is fixed to the second connecting component and has a through hole communicating with the mounting hole. The rotating shaft passes through the through hole. The fixing component is a disc, and the edge of the fixing component is provided with multiple fixing ears, which are spaced apart along the circumference of the fixing component. Each fixing ear is fixedly connected to the second connecting component.

2. The cabinet according to claim 1, characterized in that, The rotating shaft is rotatably installed in the mounting hole and the locking hole; The rotating component is connected to one end of the rotating shaft located outside the cabinet, and the locking component is connected to the other end of the rotating shaft located inside the cabinet. The rotating component drives the locking component to rotate through the rotating shaft, so that the locking component engages with the edge of the locking hole or disengages from the locking hole.

3. The cabinet according to claim 2, characterized in that, The locking hole is a strip-shaped hole, and the locking member is a locking strip. When the length direction of the locking strip is parallel to the length direction of the strip-shaped hole, the locking member can disengage from the locking hole.

4. The cabinet according to any one of claims 1-3, characterized in that, The top surface of the first connector is provided with a boss, and the boss is provided with at least one ventilation hole, the ventilation hole passing through the boss and the first connector; The top surface of the cabinet is also provided with an air outlet, which is connected to the ventilation hole.

5. The cabinet according to claim 4, characterized in that, The cabinet also includes a cooling fan connected to the connecting part; The boss is provided with a plurality of screws, which are spaced apart along the circumferential direction of the ventilation hole; The cooling fan is provided with multiple connecting through holes, and each connecting through hole corresponds to a screw. The end of the screw away from the boss passes through the connecting through hole, and a nut is screwed onto the end of the screw away from the boss. The nut fixes the cooling fan to the boss. The screw constitutes the connecting part.

6. The cabinet according to any one of claims 1-3, characterized in that, The first connector is provided with a threading boss, and the threading boss is provided with a threading hole. A cable is installed in the threading hole and the cable is connected to the cooling fan.

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