CN217847020U - Front panel assembly and server - Google Patents

Abstract

The application belongs to the technical field of communication equipment, and particularly relates to a front panel assembly and a server. The front panel assembly comprises a front panel, a locking unit and a first elastic piece, wherein the front panel is provided with a front wall, a first side wall and a second side wall, the first side wall and the second side wall are respectively positioned at two opposite ends of the front wall, the first side wall is provided with a bulge protruding outwards, and the second side wall is provided with a through hole; the locking unit is movably arranged on the front wall and provided with a locking part, the locking part is arranged in the through hole in a penetrating way and can move along the axial direction of the through hole so as to enable the locking part to extend out of or retract into the through hole; the first elastic member is connected between the front panel and the locking unit. After the hard disk is installed in the shell, the front panel assembly can be installed in the opening of the shell, the hard disk is shielded through the front panel assembly, the hard disk is prevented from being pulled out by mistake, and data safety of the server is guaranteed. Meanwhile, the front panel assembly is easy to install.

Description

Front panel assembly and server

Technical Field

The application belongs to the technical field of communication equipment, and particularly relates to a front panel assembly and a server.

Background

The server is used for connecting different workgroups and providing daily work data exchange and sharing for the whole workgroup, and the server is internally composed of a plurality of devices including components such as a hard disk, a memory bank and a fan, wherein the hard disk can store the daily work data of the server.

Currently, a server includes a housing having an opening at a front end of the server, and a hard disk may be inserted into the interior of the housing from the opening of the housing. However, when the hard disk is inserted into the housing, the front end of the hard disk is exposed from the opening, and the hard disk may be pulled out by mistake, resulting in data crash of the server, data loss and unnecessary economic loss.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a front panel assembly and a server, so as to solve the problem that in the related art, when a hard disk is inserted into a shell, the front end of the hard disk leaks from an opening, and the hard disk is pulled out by mistake.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

in one aspect, there is provided a front panel assembly, including:

the front panel is provided with a front wall, a first side wall and a second side wall, wherein the first side wall and the second side wall are respectively positioned at two opposite ends of the front wall;

the locking unit is movably arranged on the front wall and provided with a locking part, the locking part is arranged in the through hole in a penetrating way and can move along the axial direction of the through hole so as to enable the locking part to extend out of or retract into the through hole;

the first elastic piece is connected between the front panel and the locking unit and is used for driving the locking part to extend out of the through hole;

wherein, locking unit moves relative to the front panel when receiving external force to drive locking portion to retract in the through-hole.

In one embodiment, the front panel assembly further comprises a button movably mounted on the front panel, the front wall is provided with a hole site for the button to extend out, the button further comprises a pushing part for pushing the locking unit, and the locking unit is provided with a guide surface matched with the pushing part.

In one embodiment, the side walls of the two opposite sides of the button are respectively provided with a rotating shaft, each rotating shaft is respectively rotatably installed on the front panel, the abutting portion is convexly arranged on the main body of the button, the locking unit is provided with an accommodating frame for accommodating the abutting portion, and the inner wall of one side of the accommodating frame away from the front wall forms a guide surface.

In one embodiment, the front panel assembly further includes a fixing member mounted on the front panel, the fixing member has a limiting portion extending toward the front wall and abutting against the front wall, an inwardly recessed accommodating groove is formed at an end of the limiting portion abutting against the front wall, and the rotating shaft extends into the accommodating groove.

In one embodiment, the locking unit comprises a locking member which is located on one side of the fixing member far away from the front wall and is in sliding connection with the fixing member, a containing cavity is formed in the fixing member, the locking member is provided with a bending section extending into the containing cavity, the first elastic member is located inside the containing cavity, one end of the first elastic member abuts against the bending section, and the other end of the first elastic member abuts against the inner wall of the containing cavity.

In one embodiment, the front panel assembly further comprises a second elastic member connected between the front panel and the button, the second elastic member being used for driving the button to extend out of the hole.

In one embodiment, the front panel assembly further comprises a support plate mounted on the front panel and facing the front wall, the support plate and the front panel form a receiving cavity, and the locking unit is slidably mounted in the receiving cavity.

In one embodiment, the locking unit has a projection extending away from the front wall, and the support plate has a kidney-shaped hole for the projection to pass through, the extension direction of the kidney-shaped hole being parallel to the movement direction of the locking unit.

In one embodiment, the front panel assembly further comprises a mechanical lock mounted to the front wall, the mechanical lock having a rotatable tongue;

the tongue is adapted to abut the locking unit when the mechanical lock is in the locked state, so as to limit the movement of the locking unit.

On the other hand, a server is provided, which comprises a shell, a hard disk and the front panel assembly provided by any one of the embodiments, wherein the hard disk is installed inside the shell, the front panel assembly is installed in the opening of the shell to cover the hard disk, and the side walls of the two opposite sides of the shell are respectively provided with clamping holes for the protrusion and the locking part to extend into.

The front panel assembly and the server provided by any of the above embodiments of the present application have at least the following beneficial effects: the first side wall of the front panel is provided with a bulge which is arranged in an outward protruding mode, the second side wall is provided with a through hole, the locking portion of the locking unit penetrates through the through hole and can move along the axial direction of the through hole, and the locking portion can extend out of the through hole due to the elastic force of the first elastic piece. After the hard disk is installed in the inside of the shell, the front panel assembly can be installed at the opening of the shell, the hard disk is shielded through the front panel assembly, the hard disk is prevented from being pulled out by mistake, and data safety of the server is guaranteed. Simultaneously, the installation of front panel assembly is comparatively easy, only needs to exert external force to the locking unit at the in-process of installation for in the locking portion withdrawal through-hole, when front panel assembly moved to the preset position on the casing, the external force of applying on the locking unit was cancelled and locking portion stretches out from the through-hole and cooperatees with the casing of server can.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the embodiments or exemplary technical descriptions will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of a front panel assembly according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a front panel assembly provided by an embodiment of the present application;

FIG. 3 is a schematic view of a portion of a rear side of a front panel assembly according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a front panel assembly according to an embodiment of the present application;

FIG. 5 is a schematic view of a button and a fixing element according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of the connection of the button and retaining member provided in accordance with an embodiment of the present application;

FIG. 7 is a schematic view of the connection of the first resilient member, the securing member and the retaining member according to an embodiment of the present application;

FIG. 8 is a cross-sectional view of FIG. 7 at the axis of the first resilient member;

fig. 9 is a schematic structural view of a fixing member facing a side of a retaining member according to an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a front panel; 11. a front wall; 111. hole site; 12. a first side wall; 121. a protrusion; 13. a second side wall; 131. a through hole;

2. a locking unit; 21. a guide surface; 22. an accommodating frame; 23. a locking member; 231. bending the section; 24. a projection; 25. a connecting member; 26. a locking portion;

3. a first elastic member;

4. a button; 41. a pushing part; 42. a rotating shaft;

5. a fixing member; 51. a limiting part; 511. a containing groove; 52. an accommodating chamber;

6. a second elastic member;

7. a support plate; 71. a kidney-shaped hole;

8. a mechanical lock; 81. a tongue.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As described in the background art, in the prior art, after the hard disk is inserted into the housing, the front end of the hard disk is exposed to the opening, and the hard disk may be pulled out by mistake, so that the data of the server is crashed, and data loss and unnecessary economic loss are caused.

In order to solve the above problem, the present embodiment provides a front panel assembly, which includes a front panel 1, a locking unit 2, and a first elastic member 3, referring to fig. 1 to 4. The front panel 1 has a front wall 11 and first and second side walls 12 and 13 at opposite ends of the front wall 11, respectively. The first side wall 12 is provided with a protrusion 121 protruding outward, and the second side wall 13 is provided with a through hole 131. The locking unit 2 is movably mounted on the front wall 11, the locking unit 2 has a locking portion 26, the locking portion 26 is disposed in the through hole 131, and the locking portion 26 can move along the axial direction of the through hole 131 to extend or retract the locking portion 26 from the through hole 131. The first elastic member 3 is connected between the front panel 1 and the locking unit 2, and the first elastic member 3 is used for driving the locking portion 26 to extend out of the through hole 131. Wherein, the locking unit 2 moves relative to the front panel 1 when receiving an external force to drive the locking portion 26 to retract into the through hole 131.

In this application embodiment, after the hard disk was installed in the inside of casing, can shelter from the hard disk through preceding panel assembly with the opening of preceding panel assembly installation in the casing, avoid the hard disk to be pulled out by the mistake, guarantee the data security of server. Meanwhile, the front panel assembly is easy to install, external force is only required to be applied to the locking unit 2 in the installation process, so that the locking portion 26 retracts into the through hole 131, and when the front panel assembly moves to the preset position on the shell, the external force applied to the locking unit 2 is cancelled, so that the locking portion 26 extends out of the through hole 131 and is matched with the shell of the server. It should be noted that the side walls of the server housing at the opposite sides of the opening position are respectively provided with a locking hole for the protrusion 121 and the locking portion 26 to extend into. In the assembly of the front panel assembly, the protrusion 121 is first inserted into the fastening hole of one side of the housing, and an external force is applied to the locking unit 2 while the front panel assembly is turned over. When the front panel assembly overturns to the preset position, that is, after the locking part 26 is just opposite to the position of the clamping hole on the other side of the shell, the external force applied to the locking unit 2 is removed, so that the locking part 26 extends out of the through hole 131 and extends into the clamping hole on the other side of the shell.

In addition, the front panel assembly that this embodiment provided is higher in commonality, only need reserve corresponding card hole on the casing of server and can realize front panel assembly's installation. The front panel assembly can also play a role in protecting the server, and the front end of the server is prevented from being damaged in the carrying process.

Illustratively, the front panel 1 may be a standard size of 19 inches 2U. Wherein, the first side wall 12 and the second side wall 13 may be two opposite side walls in the length direction of the front panel 1, and the locking unit 2 may reciprocate in the length direction of the front panel 1. Of course, in other embodiments, the first side wall 12 and the second side wall 13 may be two opposite side walls in the width direction of the front panel 1, and the locking unit 2 may reciprocate in the width direction of the front panel 1.

The first elastic member 3 may be a pressure spring or a tension spring, the locking unit 2 overcomes the elastic force of the first elastic member 3 when receiving an external force, and the locking unit 2 is reset under the elastic force of the first elastic member 3 after the external force is removed.

Illustratively, the number of the through holes 131 may be one or multiple, and when the number of the through holes 131 is multiple, the multiple through holes 131 may be arranged side by side on the second sidewall 13. Correspondingly, the number of the locking parts 26 is the same as that of the through holes 131, and the locking parts 26 are correspondingly arranged through the corresponding through holes 131. The locking portion 26 may be a block structure or a column structure on the locking unit 2, and is not limited herein.

In an embodiment, referring to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6, as a specific implementation of the front panel assembly provided by the embodiment of the present application, the front panel assembly further includes a button 4 movably mounted on the front panel 1. The front wall 11 is provided with a hole 111 for extending the button 4, wherein the button 4 may be in any suitable shape such as a rectangle or a circle, which is not limited herein, and the shape and size of the hole 111 match with the button 4. The push button 4 further comprises an abutting portion 41 for abutting against the locking unit 2, the locking unit 2 having a guiding surface 21 cooperating with the abutting portion 41. It will be understood that the guide surface 21 is arranged obliquely to the front wall 11, and that when the pushing part 41 pushes the guide surface 21, a component force is generated parallel to the axial direction of the through hole 131, by which component force the locking unit 2 can be moved. The angle between the guide surface 21 and the front wall 11 may be set according to actual needs, and is not limited herein.

In this embodiment, by providing the button 4 and extending the button 4 from the hole 111 of the front wall 11, it is convenient for the worker to apply an external force to the locking unit 2 through the button 4. The locking unit 2 cooperates with the pushing part 41 through the guiding surface 21, and when the pushing part 41 pushes the locking unit 2, the locking part 26 is driven to retract into the through hole 131.

In an embodiment, referring to fig. 1, fig. 3, fig. 5 and fig. 6, as an embodiment of the front panel assembly provided by the embodiment of the present application, two rotating shafts 42 are respectively disposed on two opposite side walls of the button 4, wherein the two rotating shafts 42 are coaxially disposed. Each rotating shaft 42 is rotatably mounted on the front panel 1, for example, two mounting seats may be disposed on the front panel 1, and each mounting seat is provided with a jack into which the corresponding rotating shaft 42 extends. The pushing portion 41 is protruded on the main body of the button 4, wherein the main body of the button 4 is a portion of the button 4 for receiving an external force. The pushing portion 41 is protruded from the main body of the button 4, for example, the pushing portion 41 may be a shaft body parallel to the rotating shaft 42 and spaced apart from the rotating shaft. In other embodiments, the pushing portion 41 may be a block or a sheet, so long as it can push the guide surface 21 of the locking unit 2 when the button 4 is rotated. The locking unit 2 has an accommodating frame 22 accommodating the abutting portion 41, and an inner wall of the accommodating frame 22 on a side away from the front wall 11 forms a guide surface 21.

It will be appreciated that when an external force is applied to the button 4, the button 4 may be caused to rotate relative to the front panel 1. During the rotation of the button 4, the pushing portion 41 pushes the guide surface 21 of the locking unit 2 so that the locking unit 2 moves relative to the front panel 1.

In this embodiment, the button 4 is rotatably mounted on the front panel 1 through the rotating shaft 42, and the locking unit 2 receives the pushing portion 41 of the button 4 through the receiving frame 22 to prevent the button 4 from coming out of the hole 111 of the front wall 11.

In other embodiments, the button 4 can be moved in a direction perpendicular to the front wall 11, that is, the button 4 can be slidably mounted in the hole 111 of the front wall 11, one end of the button 4 protrudes from the hole 111 to receive the external force, and the other end of the button 4 can be used as the pushing portion 41 for pushing the guide surface 21 of the locking unit 2.

In a more specific embodiment, referring to fig. 1, fig. 2, fig. 3 and fig. 5, as an embodiment of the front panel assembly provided by the embodiment of the present application, the front panel assembly further includes a fixing member 5 mounted on the front panel 1, wherein the fixing member 5 can be fastened to the back surface of the front wall 11 by screws, that is, the surface of the front wall 11 facing the hard disk. The fixing member 5 has a limiting portion 51 extending toward the front wall 11 and abutting against the front wall 11, wherein the limiting portion 51 may be a block structure. One end of the limiting portion 51 abutting against the front wall 11 is provided with an accommodating groove 511 which is recessed inwards, and the rotating shaft 42 extends into the accommodating groove 511. The number of the limiting portions 51 is two, each limiting portion 51 is provided with an accommodating groove 511, and each rotating shaft 42 extends into the accommodating groove 511 of the corresponding limiting portion 51.

In this embodiment, the fixing member 5 is convenient for assembling the button 4, specifically, the rotating shaft 42 of the button 4 may be firstly inserted into the accommodating groove 511 of the limiting portion 51, and then the fixing member 5 is installed on the front panel 1, so as to realize the assembly between the button 4 and the front panel 1. When the fixing member 5 is installed on the front panel 1, the accommodating groove 511 can limit the rotating shaft 42, thereby preventing the button 4 from falling off from the front panel 1.

In a further embodiment, referring to fig. 1, 2, 3, 7, 8 and 9, as an embodiment of the front panel assembly provided by the embodiment of the present application, the locking unit 2 includes a locking member 23 located on a side of the fixing member 5 away from the front wall 11 and slidably connected to the fixing member 5, wherein the locking portion 26 may be a block structure or a column structure on the locking member 23. The fixing member 5 is provided with an accommodating cavity 52, and the locking member 23 is provided with a bending section 231 extending into the accommodating cavity 52, wherein the bending section 231 can slide in the accommodating cavity 52. The first elastic element 3 is located inside the accommodating cavity 52, and a spring may be used as the first elastic element 3, where one end of the first elastic element 3 abuts against the bending section 231 and the other end abuts against the inner wall of the accommodating cavity 52. Specifically, one end of the first elastic element 3 abuts against the inner wall of the accommodating cavity 52 facing the bending section 231.

Referring to fig. 7 and 8, the locking member 23 further includes a plate structure covering the receiving cavity 52, and the plate structure can prevent the first elastic member 3 from being removed from the receiving cavity 52 in a direction perpendicular to the front wall 11.

Fig. 2, 6 and 7 show that the locking unit 2 further comprises a connecting member 25 mounted on the locking member 23, the connecting member 25 can be fastened to the locking member 23 by screws, and a receiving frame 22 for receiving the pushing portion 41 of the push button 4 is provided on the connecting member 25. In other embodiments, the connecting member 25 and the locking member 23 may be made in a single piece, which is not limited herein.

The reliability of connection between the first elastic member 3 and the front panel 1 and the locking unit 2 can be ensured by the design, and the first elastic member 3 is prevented from being disengaged from the front panel 1 and the locking unit 2.

In an embodiment, referring to fig. 1 to fig. 3, as an embodiment of the front panel assembly provided in the present application, the front panel assembly further includes a second elastic element 6 connected between the front panel 1 and the button 4, and the second elastic element 6 is used for driving the button 4 to protrude from the hole 111.

As the second elastic member 6, for example, a torsion spring may be used, which may be sleeved on the rotation shaft 42 of the button 4 and both ends of which respectively abut against the pressing portion of the button 4 and the side wall of the front panel 1. In other embodiments, a spring may be used as the second elastic member 6, which is not limited herein.

By providing the second elastic member 6, the button 4 can be reset by the elastic force of the second elastic member 6 after the external force applied to the button 4 is removed.

In an embodiment, please refer to fig. 2 and fig. 3, as a specific implementation manner of the front panel assembly provided in the embodiment of the present application, the front panel assembly further includes a supporting plate 7 mounted on the front panel 1 opposite to the front wall 11, where the supporting plate 7 is located on a side of the front wall 11 facing the hard disk. Illustratively, the supporting plate 7 may be a sheet metal structural member, which may be fixed with the front panel 1 by means of a snap fit or bolt fastening. It is worth mentioning that the shape and size of the support plate 7 match the front panel 1. The support plate 7 forms an accommodating cavity with the front panel 1, and the locking unit 2 is slidably mounted in the accommodating cavity, illustratively, a main body portion of the support plate 7 may be attached to the front wall 11, and a space is provided between one end of the support plate 7 facing the second side wall 13 and the front wall 11, so as to form an accommodating cavity between the support plate 7 and the front wall 11.

In this embodiment, the structural strength of the front panel 1 can be improved by providing the support plate 7, so that the front panel 1 is not easily deformed during long-term use. In addition, the holding chamber that backup pad 7 and front panel 1 formed can carry on spacingly to locking unit 2, avoids locking unit 2 to drop from front panel 1.

In an embodiment, referring to fig. 3, as an embodiment of the front panel assembly provided by the embodiment of the present application, the locking unit 2 has a protrusion 24 extending away from the front wall 11, wherein the protrusion 24 may be a plate-like structure extending away from the front wall 11 on the locking member 23. The supporting plate 7 is provided with a waist-shaped hole 71 for the protrusion 24 to pass through, and the extending direction of the waist-shaped hole 71 is parallel to the moving direction of the locking unit 2. The number of the protruding portions 24 is not limited, and those skilled in the art can set the protruding portions according to actual needs, the number of the waist-shaped holes 71 is the same as that of the protruding portions 24, and each protruding portion 24 passes through the corresponding waist-shaped hole 71 in a one-to-one correspondence.

In this embodiment, the movement direction of the locking unit 2 can be defined by the cooperation between the kidney-shaped hole 71 and the protrusion 24, i.e. the locking unit 2 can only reciprocate along the extension direction of the kidney-shaped hole 71. In addition, the waist-shaped hole 71 and the protrusion 24 cooperate with each other to limit the movement stroke of the locking unit 2, so that the locking unit 2 does not move without limitation, and the movement stroke of the locking unit 2 is ensured within a certain range.

In one embodiment, referring to fig. 1-4, as an embodiment of the front panel assembly provided by the embodiments of the present application, the front panel assembly further includes a mechanical latch 8 mounted to the front wall 11, the mechanical latch 8 having a rotatable tongue 81. It will be appreciated that a key which matches the mechanical lock 8 may be inserted into the mechanical lock 8, and the tongue 81 may be rotated by rotating the key. The tongue 81 is adapted to abut against the locking unit 2 when the mechanical lock 8 is in the locked state to limit the movement of the locking unit 2, and the tongue 81 is further adapted to disengage from the locking unit 2 when the mechanical lock 8 is in the unlocked state. Illustratively, a mounting hole may be provided in the front wall 11 of the front panel 1, in which the main body portion of the mechanical lock 8 is mounted.

Through setting up mechanical lock 8 and can playing the effect that the second was protected, that is to say, after locking portion 26 when locking unit 2 stretched into the card hole of server housing, can make the spring bolt of mechanical lock 8 offset with locking unit 2 through operation mechanical lock 8 for locking unit 2 can not be relative front panel 1 motion when receiving external force, avoids the front panel subassembly to take place the mistake in the use and tears open, and then guarantees that the hard disk in the server can not pulled out by the mistake.

The embodiment of the application further provides a server, which comprises a shell, a hard disk and the front panel assembly provided by any one of the embodiments, wherein the hard disk is installed in the shell, and the front panel assembly is installed in the opening of the shell to cover the hard disk. The side walls of the opposite sides of the housing are respectively provided with a clamping hole for the protrusion 121 and the locking part 26 to extend into. This structure adopts above-mentioned front panel assembly's server, because front panel assembly can cover the hard disk, guarantees that the condition of mistake pulling can not appear in the hard disk, is difficult to appear the condition of data loss and data collapse.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A front panel assembly, comprising:

the front panel is provided with a front wall, a first side wall and a second side wall, wherein the first side wall and the second side wall are respectively positioned at two opposite ends of the front wall;

the locking unit is movably arranged on the front wall and provided with a locking part, the locking part is arranged in the through hole in a penetrating way and can move along the axial direction of the through hole so as to enable the locking part to extend out of or retract into the through hole;

the first elastic piece is connected between the front panel and the locking unit and is used for driving the locking part to extend out of the through hole;

the locking unit moves relative to the front panel when being subjected to external force so as to drive the locking part to retract into the through hole.

2. The front panel assembly of claim 1, further comprising a button movably mounted on the front panel, wherein the front wall defines an aperture through which the button extends, and wherein the button further comprises an abutting portion for abutting against the locking unit, and wherein the locking unit has a guide surface that mates with the abutting portion.

3. The front panel assembly according to claim 2, wherein the side walls of the button at opposite sides are respectively provided with a rotating shaft, each rotating shaft is rotatably mounted on the front panel, the pushing portion is protruded from the body of the button, the locking unit has a receiving frame for receiving the pushing portion, and the inner wall of the receiving frame at a side away from the front wall forms the guide surface.

4. The front panel assembly of claim 3, further comprising a fixing member mounted on the front panel, wherein the fixing member has a limiting portion extending toward the front wall and abutting against the front wall, an end of the limiting portion abutting against the front wall is provided with an accommodating groove recessed inwards, and the rotation shaft extends into the accommodating groove.

5. The front panel assembly according to claim 4, wherein the locking unit includes a locking member located on a side of the fixing member away from the front wall and slidably connected to the fixing member, the fixing member has a receiving cavity, the locking member has a bending section extending into the receiving cavity, the first elastic member is located inside the receiving cavity, one end of the first elastic member abuts against the bending section, and the other end of the first elastic member abuts against an inner wall of the receiving cavity.

6. The front panel assembly of claim 2, further comprising a second resilient member coupled between said front panel and said button, said second resilient member configured to urge said button to extend from said aperture.

7. The front panel assembly of any one of claims 1-6, further comprising a support plate mounted on the front panel opposite the front wall, the support plate and the front panel forming a receiving cavity, the locking unit being slidably mounted in the receiving cavity.

8. The front panel assembly of claim 7, wherein the locking unit has a protrusion extending away from the front wall, and the support plate has a kidney-shaped hole formed therein for the protrusion to pass through, the kidney-shaped hole extending in a direction parallel to a moving direction of the locking unit.

9. The front panel assembly of any one of claims 1-6, wherein the front panel assembly further comprises a mechanical lock mounted to the front wall, the mechanical lock having a rotatable tongue;

the tongue piece is used for abutting against the locking unit when the mechanical lock is in a locking state so as to limit the movement of the locking unit.

10. The server, characterized by comprising a shell, a hard disk and the front panel assembly of any one of claims 1 to 9, wherein the hard disk is installed inside the shell, the front panel assembly is installed in the opening of the shell to cover the hard disk, and the side walls of the two opposite sides of the shell are respectively provided with clamping holes for the protrusion and the locking part to extend into.

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