Hard disk body, fixing device and hard disk module

Abstract

The invention relates to the technical field of data storage equipment locking, in particular to a hard disk body, a fixing device and a hard disk module. A hard disk body comprises a mounting shell, a main circuit board, a board card switch and a trigger mechanism. The main circuit board is arranged on the mounting shell. The board card switch is arranged on the main circuit board. The trigger mechanism comprises a trigger rod, the trigger rod is arranged on the installation shell in a sliding mode in the first direction, and the trigger rod is configured to be capable of moving towards the board card switch so as to trigger the board card switch to enable the main circuit board to be powered off. Compared with the prior art that the hard disk body is removed from the server after operation is carried out at the system end of the server, the hard disk body provided by the invention can realize the operations of powering off and removing the hard disk through the triggering mechanism, so that the operation efficiency is improved, and the problem of inconvenient operation before hot plugging is solved.

Description

Technical Field

[0001] The present application relates to the technical field of data storage device locking, and in particular to a hard disk body, a fixing device and a hard disk module. Background Art

[0002] Hot swapping is live plugging and unplugging, which means inserting or unplugging modules or boards into or out of a system without turning off the system power, thereby improving system reliability, rapid maintainability, redundancy, and timely disaster recovery capabilities. Hot swapping is a convenient feature provided by many modern servers. This feature is particularly useful in enterprise environments, where downtime can be costly. For hot swapping technology to be truly used in servers, it is first necessary to manually control the momentary high current to a reasonable level. However, the current control of hot swapping is generally handled by the operating system. If the operator unplugs the hard disk while the system is running, it needs to be operated on the server system first, which is inconvenient to operate. Summary of the invention

[0003] In view of this, the present application provides a hard disk body, a fixing device and a hard disk module, which can improve the problem of inconvenient operation before hot plugging.

[0004] In a first aspect, an embodiment of the present application provides a hard disk body, comprising a mounting shell, a main circuit board, a board switch and a trigger mechanism, wherein the main circuit board is arranged on the mounting shell, the board switch is arranged on the main circuit board, and the trigger mechanism comprises a trigger rod, wherein the trigger rod is slidably arranged on the mounting shell along a first direction, and the trigger rod is configured to be able to move along the first direction toward the board switch to trigger the board switch, thereby cutting off power to the main circuit board.

[0005] In the above embodiment, the board switch is arranged on the main circuit board. Since the trigger rod is slidably arranged on the mounting shell along the first direction and the trigger rod can move toward the board switch, the board switch is triggered to cut off the power of the main circuit board of the hard disk body, so as to facilitate hot plugging of the hard disk body. Compared with operating on the server system end first and then removing the hard disk body from the server, the hard disk body of the present application can realize the operation of powering off and removing the hard disk through the trigger mechanism, thereby improving the operation efficiency and improving the problem of inconvenience in operation before hot plugging.

[0006] In at least one embodiment, the hard disk body further includes a pressure block, which is disposed on the mounting shell. A side of the pressure block facing the mounting shell is provided with an avoidance groove, and the trigger rod passes through the avoidance groove to limit the movement of the trigger rod along the first direction through the pressure block.

[0007] In the above embodiment, the trigger rod passes through the avoidance groove of the pressing block, and the pressing block can limit the trigger rod so that the trigger rod moves along the first direction, thereby improving the installation stability of the trigger rod on the mounting shell.

[0008] In at least one embodiment, the mounting shell is provided with a guide ridge, and the guide ridge is at least partially located in the avoidance groove; the trigger rod includes a pushed portion and a trigger portion, the pushed portion is arranged on a side of the trigger portion away from the board switch, and the peripheral surface of the pushed portion is provided with a trigger guide groove extending along the first direction, and the guide ridge is located in the trigger guide groove and slidably cooperates with the trigger guide groove.

[0009] In the above embodiment, the trigger guide groove provided on the circumference of the pushed portion extends along the first direction, and the wire ridge provided on the mounting shell is located in the trigger guide groove and slidably cooperates with the trigger guide groove, thereby further improving the movement stability of the trigger rod.

[0010] In at least one embodiment, the hard disk body also includes a first elastic member, a portion of which is abutted against the pressure block, a portion of which is abutted against the pushed portion, and the first elastic member has an elastic force that drives the trigger rod away from the board switch.

[0011] In the above embodiment, a portion of the first elastic member abuts against the pressure block, and a portion of the first elastic member abuts against the pushed portion. After the first elastic member is subjected to pressure, the first elastic member can generate an elastic force to drive the trigger rod away from the board switch, thereby resetting the trigger rod.

[0012] In a second aspect, an embodiment of the present application provides a fixing device, comprising a fixing frame and a locking mechanism, wherein the fixing frame can be used to install the hard disk body mentioned above. The locking mechanism comprises a mounting block, a hook arm, a locking block and a pushing assembly, wherein the mounting block is fixed to the side of the fixing frame. The hook arm is hinged to the mounting block around a hinge axis, wherein the hook arm comprises a locking handle and a locking hook, wherein the hook arm is configured to rotate the locking handle around the hinge axis to drive the locking hook to lock or unlock with the chassis, so that the fixing device has a locked state and an unlocked state. The locking block is used to lock or unlock the position of the hook arm. The pushing assembly comprises a pushing button, wherein the pushing button is slidably disposed on the locking block along the first direction, wherein the pushing button is configured to be able to push the trigger rod along the first direction and drive the locking block, so that the locking block unlocks the position of the hook arm.

[0013] In the above embodiment, the push button is slidably arranged on the locking block along the first direction. When the push button moves along the first direction and pushes the trigger rod, the push button can simultaneously cause the locking block to unlock the position of the hook arm, thereby allowing the hook arm to rotate around the hinge axis to allow the fixing device to change from a locked state to an unlocked state, and the pushing action and the unlocking action are completed synchronously. When the fixing device is used to install the hard disk body, the power-off action and the unlocking action of the hard disk body can be completed synchronously, thereby improving the problem of inconvenience in operation before hot plugging.

[0014] In at least one embodiment, the locking block includes a fixing portion, a locking piece and an unlocking piece, the fixing portion is connected to the mounting block, the locking piece is connected to the fixing portion and is elastic, a locking boss is provided at one end of the locking piece away from the fixing portion, a locking groove is provided at one end of the locking handle away from the locking hook, and the locking boss can be clamped in the locking groove so that the locking piece can limit the position of the locking handle when it is in the locked state;

[0015] One end of the unlocking piece is connected to the locking piece, and the other end of the unlocking piece forms a block with the push button, so that the unlocking piece can be pushed by the push button to drive the locking piece to unlock the position of the locking handle when it is in the locked state.

[0016] In the above embodiment, the locking piece is elastic, and a locking boss is provided at one end of the locking piece away from the fixing portion, and the locking boss can be tightly arranged in the locking groove at one end of the locking handle away from the locking hook, so as to limit the position of the locking handle by the locking boss. Since one end of the unlocking piece is connected to the locking piece, and the other end of the unlocking piece forms a block with the push button, so that the push button can simultaneously push the unlocking piece in the process of pushing the trigger rod, so as to drive the locking piece to move and release the lock on the locking handle, so that the hook arm can rotate, so as to change the fixing device from the locked state to the unlocked state.

[0017] In at least one embodiment, the pushing assembly also includes a connecting tube and a connecting nut, one end of the connecting tube is fixed to the mounting block, the other end of the connecting tube passes through the locking block and is partially located in the fixed frame, and the connecting nut is arranged in the fixed frame and cooperates with the connecting tube thread to fixedly connect the fixed frame, the locking block and the mounting block.

[0018] In the above embodiment, one end of the connecting pipe is fixed to the mounting block, and the other end of the connecting pipe passes through the locking block and is partially located in the fixed frame. The other end of the connecting pipe extending into the fixed frame is locked by a connecting nut, so that the fixed frame, the locking block and the mounting block are fixedly connected by the connecting pipe, and the assembly method is simple and the structure is compact.

[0019] In at least one embodiment, the push button includes a mounting portion and a push rod, the push rod passes through the connecting tube and is slidably engaged with the connecting tube, and one end of the push rod away from the mounting portion is directed toward the trigger rod, so that the push rod is driven by pushing the mounting portion to push the trigger rod along the first direction.

[0020] In the above embodiment, the push rod passes through the connecting tube and is slidably matched with the connecting tube, so that the connecting tube can play the function of a connecting piece and also have a guiding function, thereby improving the operation stability of the push rod. The end of the push rod away from the mounting portion is directed toward the trigger rod, so that the push rod can be driven by the pushing mounting portion to push the trigger rod in the first direction, and the pushing mounting portion can be driven by the pushing rod to push the trigger rod in the first direction. The trigger structure is simple, and the operation convenience is improved.

[0021] In at least one embodiment, the pushing assembly also includes a second elastic member, a portion of the second elastic member abuts against the mounting portion, a portion of the second elastic member abuts against a side of the connecting tube facing the mounting portion, and the second elastic member has an elastic force to drive the mounting portion away from the connecting tube.

[0022] In the above embodiment, a portion of the second elastic member is abutted against the mounting portion, and a portion of the second elastic member is abutted against a side of the connecting tube facing the mounting portion. After the second elastic member is deformed under pressure, the second elastic member has an elastic force to drive the mounting portion away from the connecting tube, thereby facilitating the resetting of the push button.

[0023] In a third aspect, an embodiment of the present application provides a hard disk module, comprising the hard disk body and the fixing device, wherein the hard disk body is mounted on a fixing frame of the fixing device.

[0024] In the above embodiment, the fixing device is used to install the hard disk body, and can synchronously complete the power-off action and unlocking action of the hard disk body, thereby improving the problem of inconvenience in operation before hot plugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the overall structure of a hard disk module in an embodiment of the present application is depicted.

[0026] Figure 2 A schematic diagram of the exploded structure of a hard disk module in one embodiment of the present application is depicted.

[0027] Figure 3 Draws Figure 2 Schematic diagram of the enlarged structure of part A.

[0028] Figure 4 A schematic cross-sectional structure diagram of a trigger rod in an embodiment of the present application is depicted.

[0029] Figure 5 A cross-sectional view of the overall structure of a hard disk module in one embodiment of the present application is depicted.

[0030] Main component symbols

[0031] 100 Hard disk module

[0032] 20 Hard disk body

[0033] 21 Install the shell

[0034] 211 Guide rib

[0035] 212 Installation guide groove

[0036] 22. Cover

[0037] 23 Main circuit board

[0038] 24 Board Switch

[0039] 25 Trigger mechanism

[0040] 251 Trigger lever

[0041] 2511 Pushing Department

[0042] 2511a Push ridge

[0043] 2512 Trigger

[0044] 2512a Trigger guide slot

[0045] 2512b Trigger Ramp

[0046] 252 first elastic member

[0047] 253 Briquetting

[0048] 2531 Avoidance Channel

[0049] 30 Fixtures

[0050] 31 Fixed frame

[0051] 311 Clamping spring

[0052] 312 heat sink

[0053] 32 Locking mechanism

[0054] 321 Mounting Block

[0055] 322 Hook Arm

[0056] 3221 Locking handle

[0057] 3221a Locking slot

[0058] 3222 Locking hook

[0059] 323 Lock Block

[0060] 3231 Fixed part

[0061] 3232 Locking piece

[0062] 3232a Locking boss

[0063] 3233 Unlocking Film

[0064] 324 Push Components

[0065] 3241 Connecting pipe

[0066] 3242 Connecting nut

[0067] 3243 Push Button

[0068] 3243a Installation

[0069] 3243b Push rod

[0070] 3244 Second elastic member

[0071] 325 third elastic member

[0072] 33 Electromagnetic shielding spring

[0073] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0074] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0075] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a centrally arranged element at the same time. When an element is considered to be "set" to another element, it may be directly set on the other element or there may be a centrally arranged element at the same time. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0076] During the hot-swap process of a hard disk, the hard disk body must first be powered off. The current control of hot-swap is generally handled by the operating system. If the operator wants to unplug the hard disk while the system is running, he must first operate on the server system side, which is inconvenient.

[0077] The embodiments of the present application provide a hard disk body, a fixing device and a hard disk module. By combining the unlocking action of the hard disk with the power-off action of the hard disk, the power-off operation of the hard disk is completed during the process of unlocking the hard disk. There is no need to perform operations on the server system side, thereby improving the convenience of hot-swap operations.

[0078] Specifically, an embodiment of the present application provides a hard disk body, including a mounting shell, a main circuit board, a card switch and a trigger mechanism, wherein the main circuit board is disposed on the mounting shell, the card switch is disposed on the main circuit board, and the trigger mechanism includes a trigger rod, which is slidably disposed on the mounting shell along a first direction, and the trigger rod is configured to be able to move toward the card switch to trigger the card switch, so that the main circuit board is powered off, so as to facilitate hot plugging of the hard disk body. Compared with first operating on the server system side and then removing the hard disk body from the server, the hard disk body of the present application can realize the operation of powering off and removing the hard disk through the trigger mechanism, thereby improving the operation efficiency and improving the problem of inconvenience in operation before hot plugging.

[0079] Some embodiments of the present application are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features in the following embodiments and examples can be combined with each other.

[0080] See also Figure 1 and Figure 2 One embodiment of the present application provides a hard disk module 100, including a hard disk body 20 and a fixing device 30, wherein the hard disk body 20 is installed in the fixing device 30. The fixing device 30 has a pushing action during the unlocking process, and the hard disk body 20 has a power-off triggering function. After the hard disk body 20 is installed in the fixing device 30, the pushing action of the fixing device 30 can trigger the power-off function of the hard disk body 20, so that the power-off action and the unlocking action of the hard disk body 20 can be completed synchronously, thereby improving the problem of inconvenience in operation before hot plugging.

[0081] See also Figure 2 and Figure 3In some embodiments, the hard disk body 20 includes a mounting shell 21, a main circuit board 23, a card switch 24, and a trigger mechanism 25. The main circuit board 23 is disposed on the mounting shell 21, the card switch 24 is disposed on the main circuit board 23, and the trigger mechanism 25 includes a trigger rod 251. The trigger rod 251 is slidably disposed on the mounting shell 21 along a first direction. The trigger rod 251 is configured to be able to move toward the card switch 24 to trigger the card switch 24, so that the main circuit board 23 is powered off to facilitate hot plugging of the hard disk body 20. Compared to operating on the server system end first and then removing the hard disk body 20 from the server, the hard disk body 20 of the present application can realize the operation of powering off and removing the hard disk through the trigger mechanism 25, thereby improving the operating efficiency and improving the problem of inconvenience in operation before hot plugging. The hard disk body 20 is displayed as the length direction in the first direction.

[0082] In some embodiments, the hard disk body 20 further includes a cover shell 22, and the cover shell 22 is detachably connected to the mounting shell 21 by bolts to form a mounting cavity between the cover shell 22 and the mounting shell 21. The main circuit board 23 is disposed in the mounting cavity and fixed to the inner side of the mounting shell 21 by bolts, thereby protecting the main circuit board 23.

[0083] In some embodiments, the hard disk body 20 further includes a pressing block 253, which is disposed on the mounting shell 21. A side of the pressing block 253 facing the mounting shell 21 is provided with an escape groove 2531, and the inner side wall of the escape groove 2531 is configured to match the outer side of the trigger rod 251 away from the mounting shell 21. The trigger rod 251 passes through the escape groove 2531, and the pressing block 253 can limit the trigger rod 251 so that the trigger rod 251 moves in the first direction, thereby improving the installation stability of the trigger rod 251 on the mounting shell 21.

[0084] In some embodiments, the mounting shell 21 is provided with a guide rib 211 , the guide rib 211 faces the avoidance groove 2531 and is at least partially located in the avoidance groove 2531 , and the guide rib 211 extends along the first direction.

[0085] See also Figure 3 and Figure 4 The trigger rod 251 includes a pushed portion 2511 and a trigger portion 2512. The pushed portion 2511 is disposed on a side of the trigger portion 2512 away from the card switch 24. The maximum width of the pushed portion 2511 is greater than the maximum width of the trigger portion 2512. The circumferential surface of the pushed portion 2511 is provided with a trigger guide groove 2512a extending along the first direction. The guide ridge 211 is located in the trigger guide groove 2512a and slidably cooperates with the trigger guide groove 2512a, thereby facilitating the positioning and installation of the trigger rod 251 and further improving the movement stability of the trigger rod 251.

[0086] In some embodiments, the inner side surface of the mounting shell 21 is further provided with a mounting guide groove 212, and the central axis of the mounting guide groove 212 is parallel to the central axis of the guide ridge 211. The side surface of the pushed portion 2511 is provided with a pushed ridge 2511a, and the pushed ridge 2511a slides in the mounting guide groove 212, thereby facilitating the positioning and installation of the trigger rod 251, and can further improve the movement stability of the trigger rod 251.

[0087] In some embodiments, a trigger ramp 2512b is provided on the side of the trigger portion 2512 facing the main circuit board 23, and the trigger ramp 2512b is inclined in a direction away from the pushed portion 2511 and close to the main circuit board 23. When the trigger rod 251 is not pushed, the trigger ramp 2512b is separated from the board switch 24. When the trigger rod 251 is pushed, the trigger ramp 2512b moves toward the board switch 24 and triggers the board switch 24, thereby powering off the main circuit board 23 in the hard disk body 20.

[0088] In some embodiments, the hard disk body 20 further includes a first elastic member 252, a portion of the first elastic member 252 abuts against the pressing block 253, a portion of the first elastic member 252 abuts against the pushed portion 2511, and the first elastic member 252 has an elastic force that drives the trigger rod 251 away from the board switch 24. After the first elastic member 252 is subjected to pressure, the first elastic member 252 can generate an elastic force that drives the trigger rod 251 away from the board switch 24, thereby resetting the trigger rod 251.

[0089] See also Figure 2 In some embodiments, the fixing device 30 includes a fixing frame 31 and a locking mechanism 32, and the fixing frame 31 can be used to install the hard disk body 20 mentioned above. The locking mechanism 32 includes a mounting block 321, a hook arm 322, a locking block 323, and a pushing assembly 324. The mounting block 321 is fixed to the side of the fixing frame 31, and the hook arm 322 is hinged to the mounting block 321 around a hinge axis. The hook arm 322 includes a locking handle 3221 and a locking hook 3222. The hook arm 322 is configured to rotate the locking handle 3221 around the hinge axis to drive the locking hook 3222 to lock or unlock with the chassis, so that the fixing device 30 has a locked state and an unlocked state, and the locking block 323 is used to lock or unlock the position of the hook arm 322.

[0090] In some embodiments, the fixing device 30 further includes an electromagnetic shielding spring 33 , which is wrapped around and fixed to a side surface of the locking mechanism 32 , thereby achieving the effect of shielding electromagnetic interference.

[0091] In some embodiments, a clamping spring 311 is provided on the side of the fixed frame 31, and the clamping spring 311 is elastic so that after the hard disk module 100 is installed on the server, the clamping spring 311 can eliminate the gap between the hard disk module 100 and the server installation cavity to improve the installation stability of the hard disk module 100.

[0092] In some embodiments, a heat sink 312 is provided on the side of the fixed frame 31. The heat sink 312 extends from the fixed frame 31, and the side of the heat sink 312 is against the hard disk body 20, thereby dissipating the heat generated by the hard disk body 20 and improving the heat dissipation performance of the hard disk module 100.

[0093] See also Figure 2 and Figure 5 In some embodiments, the pushing component 324 includes a pushing button 3243, which is slidably disposed on the locking block 323 along a first direction. When the pushing button 3243 moves along the first direction to push the trigger rod 251, the pushing button 3243 can simultaneously enable the locking block 323 to unlock the position of the hook arm 322, so that the hook arm 322 can rotate around the hinge axis, so that the fixing device 30 is changed from a locked state to an unlocked state, and the pushing action and the unlocking action are completed synchronously. When the fixing device 30 is used to install the hard disk body 20, the power-off action and the unlocking action of the hard disk body 20 can be completed synchronously, thereby improving the problem of inconvenience in operation before hot plugging.

[0094] In some embodiments, the locking block 323 includes a fixing portion 3231, a locking piece 3232 and an unlocking piece 3233, the fixing portion 3231 is connected to the mounting block 321, the locking piece 3232 is connected to the fixing portion 3231 and the locking piece 3232 is elastic, a locking boss 3232a is provided at one end of the locking piece 3232 away from the fixing portion 3231, a locking groove 3221a is provided at one end of the locking handle 3221 away from the locking hook 3222, and the locking boss 3232a can be clamped in the locking groove 3221a so that the locking piece 3232 can limit the position of the locking handle 3221 when it is in a locked state. One end of the unlocking piece 3233 is connected to the locking piece 3232, and the other end of the unlocking piece 3233 forms a block with the pushing button 3243, so that the pushing button 3243 can simultaneously push the unlocking piece 3233 during the process of pushing the trigger rod 251, so as to drive the locking boss 3232a of the locking piece 3232 to disengage from the locking groove 3221a, so as to release the lock of the locking handle 3221, so that the hook arm 322 can rotate, thereby changing the fixing device 30 from a locked state to an unlocked state.

[0095] In some embodiments, the pushing assembly 324 further includes a connecting tube 3241 and a connecting nut 3242, one end of the connecting tube 3241 is fixed to the mounting block 321, the other end of the connecting tube 3241 passes through the locking block 323 and is partially located in the fixed frame 31, and the connecting nut 3242 is disposed in the fixed frame 31 and threadedly cooperates with the connecting tube 3241 to fixedly connect the fixed frame 31, the locking block 323 and the mounting block 321. The upper section of the mounting block 321 is connected to the fixed frame 31 by bolts, and the lower section of the mounting block 321 is installed by the connecting tube 3241 and the connecting nut 3242, and the assembly method is simple and the structure is compact.

[0096] In some embodiments, the electromagnetic shielding spring 33 is compressed between the mounting block 321 and the fixing frame 31 , thereby improving the installation stability of the electromagnetic shielding spring 33 .

[0097] In some embodiments, the push button 3243 includes a mounting portion 3243a and a push rod 3243b, and the push rod 3243b passes through the connecting tube 3241 and is slidably matched with the connecting tube 3241, so that the connecting tube 3241 can play the role of a connector while also having a guiding function, thereby improving the operational stability of the push rod 3243b. The end of the push rod 3243b away from the mounting portion 3243a is directed toward the trigger rod 251, so that the push rod 3243b is driven by the pushing mounting portion 3243a to push the trigger rod 251 in the first direction, and the push rod 3243b is driven by the pushing mounting portion 3243a to push the trigger rod 251 in the first direction, so that the trigger structure is simple and the operation convenience is improved.

[0098] In some embodiments, the pushing assembly 324 also includes a second elastic member 3244, a portion of which is abutted against the mounting portion 3243a, and a portion of the second elastic member 3244 is abutted against the side of the connecting tube 3241 facing the mounting portion 3243a. After the second elastic member 3244 is compressed and deformed, the second elastic member 3244 has an elastic force to drive the mounting portion 3243a away from the connecting tube 3241, thereby facilitating the resetting of the push button 3243.

[0099] In some embodiments, the locking mechanism 32 further includes a third elastic member 325, one end of which abuts against the mounting block 321, and the abutting position of the third elastic member 325 is close to the hinge axis of the hook arm 322. The other end of the third elastic member 325 abuts against the hook arm 322, and the third elastic member 325 can generate an elastic force to push the hook arm 322 to rotate, so that when the locking piece 3232 releases the lock on the locking handle 3221, the hook arm 322 can automatically pop up, so that the fixing device 30 can automatically change from the locked state to the unlocked state.

[0100] When the hard disk module 100 needs to be hot-swapped, the push rod 3243b can push the trigger rod 251 by providing a thrust to the push button 3243, so that the push button 3243 simultaneously causes the locking block 323 to unlock the position of the hook arm 322, so that the hook arm 322 can rotate around the hinge axis, so that the fixing device 30 is changed from a locked state to an unlocked state. The trigger rod 251 is slidably disposed on the mounting shell 21 along a first direction, and the trigger rod 251 is configured to be able to move toward the board switch 24 to trigger the board switch 24, so that the main circuit board 23 is powered off, and the power-off action and unlocking action of the hard disk body 20 are completed synchronously, thereby improving the problem of inconvenience in operation before hot-swapping.

[0101] In addition, those skilled in the art may also make other changes within the technical concept of the present application. Of course, these changes made based on the technical concept of the present application should be included in the scope disclosed in the present application.

Claims

1. A hard disk body, characterized in that: include: Install the shell; A main circuit board, the main circuit board is arranged in the mounting shell; A board switch, wherein the board switch is arranged on the main circuit board; The trigger mechanism includes a trigger rod, which is slidably disposed on the mounting shell along a first direction, and the trigger rod is configured to be able to move toward the board switch along the first direction to trigger the board switch, so as to cut off power to the main circuit board.

2. The hard disk body according to claim 1, wherein: The hard disk body also includes a pressure block, which is arranged on the mounting shell. The side of the pressure block facing the mounting shell is provided with an avoidance groove, and the trigger rod passes through the avoidance groove to limit the movement of the trigger rod along the first direction through the pressure block.

3. The hard disk body according to claim 2, characterized in that: The mounting shell is provided with a guide ridge, and the guide ridge is at least partially located in the avoidance groove; the trigger rod includes a pushed portion and a trigger portion, the pushed portion is arranged on a side of the trigger portion away from the board switch, and the circumferential surface of the pushed portion is provided with a trigger guide groove extending along the first direction, and the guide ridge is located in the trigger guide groove and slidably cooperates with the trigger guide groove.

4. The hard disk body according to claim 3, characterized in that: The hard disk body further comprises a first elastic member, a portion of which is abutted against the pressing block, a portion of which is abutted against the pushed portion, and the first elastic member has an elastic force for driving the trigger rod away from the board switch.

5. A fixing device, characterized in that: include: A fixing frame, wherein the fixing frame can be used to install the hard disk body according to any one of claims 1 to 4; A locking mechanism, the locking mechanism comprising a mounting block, a hook arm, a locking block and a pushing assembly; The mounting block is fixed to the side of the fixed frame; The hook arm is hinged to the mounting block around a hinge axis, the hook arm comprises a locking handle and a locking hook, and the hook arm is configured to: rotate the locking handle around the hinge axis to drive the locking hook to lock or unlock with the chassis, so that the fixing device has a locked state and an unlocked state; The locking block is used to lock or unlock the position of the hook arm; The pushing assembly includes a pushing button, which is slidably disposed on the locking block along the first direction, and the pushing button is configured to push the trigger rod along the first direction and drive the locking block so that the locking block unlocks the position of the hook arm.

6. The fixing device according to claim 5, characterized in that: The locking block comprises a fixing portion, a locking piece and an unlocking piece, wherein the fixing portion is connected to the mounting block, the locking piece is connected to the fixing portion and is elastic, a locking boss is provided at one end of the locking piece away from the fixing portion, a locking groove is provided at one end of the locking handle away from the locking hook, and the locking boss can be clamped in the locking groove so that the locking piece can limit the position of the locking handle when it is in the locked state; One end of the unlocking piece is connected to the locking piece, and the other end of the unlocking piece forms a block with the push button, so that the unlocking piece can be pushed by the push button to drive the locking piece to unlock the position of the locking handle when it is in the locked state.

7. The fixing device according to claim 5, characterized in that: The pushing assembly also includes a connecting tube and a connecting nut, one end of the connecting tube is fixed to the mounting block, the other end of the connecting tube passes through the locking block and is partially located in the fixed frame, and the connecting nut is arranged in the fixed frame and cooperates with the connecting tube thread to fixedly connect the fixed frame, the locking block and the mounting block.

8. The fixing device according to claim 7, characterized in that: The push button includes a mounting portion and a push rod, wherein the push rod passes through the connecting tube and is slidably matched with the connecting tube, and one end of the push rod away from the mounting portion is directed toward the trigger rod, so that the push rod is driven by pushing the mounting portion to push the trigger rod along the first direction.

9. The fixing device according to claim 8, characterized in that: The pushing assembly also includes a second elastic member, a portion of which is pressed against the mounting portion, a portion of which is pressed against a side of the connecting tube facing the mounting portion, and the second elastic member has an elastic force for driving the mounting portion away from the connecting tube.

10. A hard disk module, characterized in that: It comprises a hard disk body and a fixing device, wherein the hard disk body is the hard disk body as described in any one of claims 1 to 4, the fixing device is the fixing device as described in any one of claims 5 to 9, and the hard disk body is installed on a fixing frame of the fixing device.

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