CN219349445U

CN219349445U - Cabinet assembly

Info

Publication number: CN219349445U
Application number: CN202223364064.9U
Authority: CN
Inventors: 陆敏杰; 王乾坤; 高伟; 钱勇
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-07-14
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a case assembly, which comprises a case body, a panel and a hard disk, wherein the case body is provided with a containing cavity and an opening communicated with the containing cavity; the panel is arranged at the opening in an openable and closable manner so as to close and open the opening; the hard disk is drawably arranged in the accommodating cavity, so that the hard disk can be pulled out through the opening. The utility model solves the problems that the hard disk replacement operation process of the chassis in the prior art is complicated and the convenience of hard disk replacement cannot be ensured.

Description

Cabinet assembly

Technical Field

The utility model relates to the technical field of quick disassembly of equipment, in particular to a case assembly.

Background

In the prior art, the upper cover of the case is fixed on the base through a plurality of screws, and the hard disk support is fixed on the base through a plurality of screws, when the hard disk needs to be replaced, an operator needs to detach the plurality of screws for fixing the upper cover one by one to take down the upper cover, detach the plurality of screws for fixing the hard disk support one by one to take down the hard disk support, so that the hard disk can be taken out and replaced, the hard disk support and the upper cover need to be fastened on the base through a plurality of screws after the replacement of the hard disk is completed, the operation of the whole hard disk replacement process is complex, and the replacement convenience of the hard disk cannot be ensured.

Disclosure of Invention

The utility model mainly aims to provide a chassis assembly to solve the problems that the operation process of hard disk replacement of a chassis in the prior art is complicated and the convenience of hard disk replacement cannot be ensured.

In order to achieve the above object, the present utility model provides a chassis assembly, including a chassis body, a panel, and a hard disk, wherein the chassis body has a receiving cavity and an opening communicating with the receiving cavity; the panel is arranged at the opening in an openable and closable manner so as to close and open the opening; the hard disk is drawably arranged in the accommodating cavity, so that the hard disk can be pulled out through the opening.

Further, the accommodating cavity is provided with an installing area, the case assembly further comprises a hard disk support, the hard disk support is arranged at the installing area and forms an accommodating space for accommodating a hard disk with the wall surface of the partial accommodating cavity, and the hard disk is in sliding connection with the hard disk support.

Further, a stop limit end is arranged on the sliding rail of the hard disk support, and when the hard disk slides in place along the sliding rail, the hard disk is matched with the stop limit end in a stop mode so as to limit the hard disk stop in the accommodating space.

Further, the panel is pivotally connected with the chassis body; or the panel is in sliding connection with the chassis body.

Further, the chassis assembly further includes a pivoting structure, a portion of the pivoting structure is connected to the panel, and another portion of the pivoting structure is connected to a cavity wall of the accommodating cavity, so that the panel is pivotally connected to the chassis body.

Further, the pivoting structure comprises a first connecting sheet, a second connecting sheet and a pivoting shaft, wherein the first connecting sheet is connected with the panel, a first positioning hole is formed in the first connecting sheet, a second positioning hole is formed in the position, opposite to the first positioning hole, of the panel, and the pivoting structure further comprises a first fastener which sequentially penetrates through the first positioning hole and the second positioning hole; the second connecting piece is connected with the cavity wall surface of the accommodating cavity, a limiting column is convexly arranged on the surface of the second connecting piece, which faces one side of the first connecting piece, a first limiting hole is formed in the limiting column, the first limiting hole extends along the axial direction of the limiting column and penetrates through the surface of the second connecting piece, which is far away from one side of the first connecting piece, the cavity wall surface of the accommodating cavity is provided with a second limiting hole penetrating through the inner wall surface and the outer wall surface of the case body, the pivoting connecting structure further comprises a second fastening piece, and the second fastening piece sequentially penetrates through the second limiting hole and the first limiting hole; the first connecting piece and the second connecting piece are pivotally connected through a pivot shaft.

Further, the chassis assembly further comprises a link mechanism, the link mechanism comprises at least two links, one ends of the two links are pivotally connected, and the other ends of the two links are respectively connected with the panel and the chassis body.

Further, the two connecting rods are equal in length, and when the panel opens the opening and forms an included angle of 90 degrees with the plane where the opening is located, the included angle between the two connecting rods is 180 degrees.

Further, the opening is provided with a first lock structure, one side of the panel facing the opening is provided with a second lock structure, and the panel is locked at the opening through the cooperation of the second lock structure and the first lock structure.

Further, the first lock structure is a stop lock piece protruding from the opening, the second lock structure is a lock tongue structure rotatably arranged on the panel, the lock tongue structure has a locking position rotated by a first preset angle along a first direction to be in stop fit with the stop lock piece, and the lock tongue structure has an unlocking position rotated by a second preset angle along a second direction opposite to the first direction to be in release fit with the stop lock piece.

By applying the technical scheme of the utility model, the panel is arranged at the opening in an openable manner, meanwhile, the hard disk is arranged in the accommodating cavity in a drawable manner, when the hard disk in the accommodating cavity is replaced, the panel can be directly opened, the opening is exposed, the hard disk is taken out in a drawable manner through the opening, after the hard disk is replaced, the hard disk is pushed back into the accommodating cavity through the opening, and finally, the panel is closed, so that the replacement of the hard disk is completed, and the replacement process of the whole hard disk can be completed only by opening or closing the panel, thereby ensuring the convenience of the replacement of the hard disk.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 illustrates a partial schematic construction of a chassis assembly according to an alternative embodiment of the present utility model, with a panel in an open state;

FIG. 2 illustrates a schematic internal structure of the chassis assembly of FIG. 1 at a first view angle;

FIG. 3 illustrates a schematic internal structure of a second view of the chassis assembly of FIG. 1;

FIG. 4 shows a schematic structural view of a linkage mechanism of the chassis assembly of FIG. 1;

FIG. 5 is a schematic diagram showing the internal structure of the chassis body of the chassis assembly of FIG. 1;

fig. 6 shows an enlarged schematic view of the structure at a in fig. 5;

FIG. 7 is a schematic diagram illustrating the structure of the pivotal connection of the chassis assembly of FIG. 6;

fig. 8 is a schematic structural view of the chassis body in fig. 5 from a third perspective;

fig. 9 is a schematic structural view of the fourth view of the chassis body of fig. 5, in which a locking hole of the latch structure may be shown;

FIG. 10 is a schematic view showing the mounting of the latch bolt structure of FIG. 9 to the chassis body;

fig. 11 is a schematic view showing a structure of fig. 1 in which components in a housing chamber of a chassis body of the chassis assembly are taken out.

Wherein the above figures include the following reference numerals:

10. a chassis body; 11. a receiving chamber; 12. an opening; 121. a stop lock plate; 13. hanging lugs;

20. a panel; 30. a hard disk; 40. a hard disk support;

50. a pivoting structure; 51. a first connecting piece; 511. a first positioning hole; 512. a first fastener; 52. a second connecting piece; 521. a limit column; 522. a first limiting hole; 53. a pivot shaft;

60. a link mechanism; 61. a connecting rod;

70. a tongue structure; 71. a lock hole;

80. an accommodation space; 90. and a power supply.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a chassis assembly, which aims to solve the problems that the operation process of hard disk replacement of a chassis in the prior art is complicated and the convenience of hard disk replacement cannot be ensured.

As shown in fig. 1 to 11, the cabinet assembly includes a cabinet body 10, a panel 20, and a hard disk 30, wherein the cabinet body 10 has a receiving chamber 11 and an opening 12 communicating with the receiving chamber 11; a panel 20 is openably and closably provided at the opening 12 to close and open the opening 12; the hard disk 30 is drawably disposed in the accommodating chamber 11 so that the hard disk 30 can be drawn out through the opening 12.

By applying the technical scheme of the utility model, the panel 20 is arranged at the opening 12 in an openable and closable manner, meanwhile, the hard disk 30 is arranged in the accommodating cavity 11 in a drawable manner, when the hard disk 30 in the accommodating cavity 11 is replaced, the panel 20 can be directly opened, the opening 12 is exposed, the hard disk 30 is taken out in a drawable manner through the opening 12, after the hard disk 30 is replaced, the hard disk 30 is pushed back into the accommodating cavity 11 through the opening 12, finally, the panel 20 is closed, the replacement of the hard disk 30 is completed, and the whole hard disk 30 replacement process can be completed only by opening or closing the panel 20, so that the replacement convenience of the hard disk 30 is ensured.

It should be noted that, in the present application, the chassis body 10 further includes an upper cover, a hanging ear 13, a base, and an optical drive, where the upper cover and the base enclose a containing cavity 11 together, an outer wall of the panel 20 has a display screen, and a power supply 90 and a motherboard are further disposed in the containing cavity 11 of the chassis body 10.

In this application, considering that the hard disks 30 are generally plural, in order to ensure placement regularity of the plurality of hard disks 30, as shown in fig. 1 and 2, the housing chamber 11 has a mounting area, the chassis assembly further includes a hard disk holder 40, the hard disk holder 40 is disposed at the mounting area and encloses a housing space 80 for housing the hard disks 30 with a cavity wall surface of a part of the housing chamber 11, and the hard disks 30 are slidably connected with the hard disk holder 40. In this way, the plurality of hard disks 30 are placed in the accommodating space 80 one by one, so that the plurality of hard disks 30 can be stored uniformly, on one hand, convenience in taking and placing of each hard disk 30 is ensured when the plurality of hard disks 30 are replaced, and on the other hand, other devices are prevented from colliding with the hard disks 30, and the protection effect on the hard disks 30 is achieved.

As shown in fig. 1 and 2, a stop limit end is provided on the slide rail of the hard disk support 40, and when the hard disk 30 slides into place along the slide rail, the hard disk 30 is in stop fit with the stop limit end to stop the hard disk 30 in the accommodating space 80. Like this, the slide rail has played the guide effect to hard disk 30, ensures the convenience of hard disk 30 roll-in and roll-off, and in addition, the stopper limiting terminal has played the limiting effect to hard disk 30, ensures that hard disk 30 can be located accommodation space 80 all the time at the normal in-process of operation of quick-witted case subassembly, avoids when removing machine case body 10, hard disk 30 produces the collision because of sliding along the slide rail, plays the guard action to hard disk 30.

Further, the hard disk 30 uses a drawing mode, so that screws are omitted, and screw-free installation of the hard disk 30 is realized.

Optionally, the panel 20 is pivotally connected to the chassis body 10. Thus, the opening and closing of the opening 12 can be realized by rotating the panel 20, and the operation is convenient and quick.

Optionally, the panel 20 is slidably connected to the chassis body 10. Thus, the opening and closing of the opening 12 can be realized by sliding the panel 20, and the operation is convenient and quick.

As shown in fig. 1, 2, 5 to 8 and 10, the chassis assembly further includes a pivot structure 50, a portion of the pivot structure 50 is connected to the panel 20, and another portion of the pivot structure 50 is connected to a cavity wall surface of the accommodating cavity 11, so that the panel 20 is pivotally connected to the chassis body 10. Thus, when the hard disk 30 is replaced, the opening 12 can be opened and closed by rotating the panel 20, on one hand, the panel 20 is not required to be completely detached from the case body 10, so that the loss of the panel 20 is avoided, and on the other hand, the panel 20 is convenient to be reinstalled on the case body 10, so that the rotating function of the panel 20 is realized, and meanwhile, the cost is reduced.

It should be noted that, in the present application, the two pivoting structures 50 are provided, and the two pivoting structures 50 are spaced apart at the connection position between the longer side of the panel 20 and the chassis body 10.

Alternatively, the pivot structure 50 may be provided at a connection position of the shorter side of the panel 20 and the cabinet body 10.

As shown in fig. 1, 2, 5 to 8 and 10, the pivot structure 50 includes a first connecting piece 51 and a second connecting piece 52, the first connecting piece 51 is connected with the panel 20, a first positioning hole 511 is formed on the first connecting piece 51, a second positioning hole is formed at a position, opposite to the first positioning hole 511, of the panel 20, the pivot structure 50 further includes a first fastening piece 512, and the first fastening piece 512 sequentially passes through the first positioning hole 511 and the second positioning hole to be arranged; the second connecting piece 52 is connected with the cavity wall surface of the accommodating cavity 11, a limiting column 521 is convexly arranged on the surface of the second connecting piece 52 facing the first connecting piece 51 side, a first limiting hole 522 is formed in the limiting column 521, the first limiting hole 522 extends along the axial direction of the limiting column 521 and penetrates through the surface of the second connecting piece 52 far away from the first connecting piece 51 side, a second limiting hole penetrating through the inner wall surface and the outer wall surface of the case body 10 is formed in the cavity wall surface of the accommodating cavity 11, the pivoting connecting structure further comprises a second fastening piece, and the second fastening piece sequentially penetrates through the second limiting hole and the first limiting hole 522; the pivot shaft 53, the first connecting piece 51 and the second connecting piece 52 are pivotally connected by the pivot shaft 53. Like this, first fastener 512 passes first locating hole 511 and second locating hole in proper order, is connected first connecting piece 51 with panel 20, and the second fastener passes second spacing hole and first spacing hole 522 in proper order, is connected second connecting piece 52 with the chamber wall that holds chamber 11 for panel 20 and quick-witted case body 10 link together through pivot structure 50, and panel 20 accessible pivot shaft 53 is rotatory on machine case body 10, and first spacing hole 522 sets up in spacing post 521, has increased the area of contact that the second fastener is connected with first spacing hole 522, ensures the connection steadiness between the two.

In this application, the first fastening member 512 is of a screw structure, and penetrates along the direction of the inner wall surface of the panel 20 toward the outer wall surface, so as to compress the first connecting piece 51, and the second fastening member is of a screw structure, and penetrates through the second limiting hole and the first limiting hole 522 sequentially from the outer wall surface of the chassis body 10, so as to fasten the second connecting piece 52 and the chassis body 10.

As shown in fig. 1 to 6, the chassis assembly further includes a link mechanism 60, the link mechanism 60 includes at least two links 61, and one ends of the two links 61 are pivotally connected, and the other ends of the two links 61 are connected to the panel 20 and the chassis body 10, respectively. In this way, the linkage 60 acts as a stop for the panel 20.

Further, the two links 61 are equal in length, and when the panel 20 opens the opening 12 and forms an angle of 90 ° with the plane in which the opening 12 is located, the angle between the two links 61 is 180 °. Like this, after the contained angle between two connecting rods 61 is 180, the contained angle no longer continues to increase for panel 20 keeps 90 contained angle with the plane that opening 12 is located, avoids panel 20 and the too big when the plane contained angle that opening 12 is located, collides with the equipment below machine case body 10, has both improved panel 20's stability, has guaranteed the security again.

Further, when the panel 20 opens the opening 12 and forms an angle of 90 ° with the plane in which the opening 12 is located, the first connecting piece 51 and the second connecting piece 52 of the pivot structure 50 form an angle of 180 ° and are in a horizontal state.

As shown in fig. 1 to 8, a first locking structure is provided at the opening 12, a second locking structure is provided at a side of the panel 20 facing the opening 12, and the panel 20 is locked at the opening 12 by cooperation of the second locking structure and the first locking structure. Thus, the panel 20 is locked at the opening 12 through the cooperation of the second lock structure and the first lock structure, so that the operation is simple and convenient, and the safety of the case assembly is ensured.

Further, as shown in fig. 1, 2, 5, 8, 10, 11, the first lock structure is a stopper lock tab 121 protruding at the opening 12, the second lock structure is a latch tongue structure 70 rotatably provided on the panel 20, the latch tongue structure 70 has a locking position rotated by a first preset angle in a first direction to be in stopper engagement with the stopper lock tab 121, and the latch tongue structure 70 has an unlocking position rotated by a second preset angle in a second direction opposite to the first direction to be in releasing engagement with the stopper lock tab 121. Thus, by rotating the latch bolt structure 70, the latch bolt structure 70 and the stop lock piece 121 can be locked or unlocked, so that convenience in opening and closing the opening 12 of the panel 20 is ensured, and convenience is brought to maintenance and replacement of the hard disk 30 by a customer.

It should be noted that, in the present application, the outer wall surface of the panel 20 has a lock hole 71 at a position opposite to the lock tongue structure 70, and the chassis assembly further includes a key, and the lock tongue structure 70 can be turned by the key when the key is inserted into the lock hole 71.

Optionally, the latch bolt structure 70 is Z-shaped, the latch bolt structure 70 in Z-shape includes three connection blocks, wherein two connection blocks are arranged in parallel, one connection block is used for connecting two connection blocks parallel, and the connection block located in the middle is perpendicular to the other two connection blocks, one of the two connection blocks located at two ends is connected with the panel 20 through a bolt, the other one of the two connection blocks located at two ends is arranged with the inner wall surface of the panel 20 at a distance, so that a limit groove is formed between the two connection blocks, when the opening 12 needs to be closed, the panel 20 is rotated, the latch bolt structure 70 is rotated to a locking position from an included angle of 90 degrees with the plane where the opening 12 is located to a position completely abutted with the opening 12, the latch bolt structure 70 is rotated to a first preset angle along the first direction, the stop lock plate 121 is limited in the limit groove, the stop lock plate 121 is abutted with the latch bolt structure 70, stop cooperation is formed, the panel 20 can not be rotated away from the direction of the chassis body 10, when the opening 12 needs to be opened, the latch bolt structure 70 is rotated in a second preset angle along a direction opposite to the first direction, the panel 20 can be unlocked, and the stop plate 20 can be completely unlocked, and the stop state is completely separated from the panel 20.

It should be noted that, in the present application, the first preset angle and the second preset angle are both 90 °, when the latch bolt structure 70 is in the locked position, the direction is in a horizontal state, and when the latch bolt structure 70 is in the unlocked position, the direction is in a vertical state.

In the present application, the replacement process of the hard disk 30 is as follows:

specifically, the key is inserted into the lock hole 71 on the outer wall surface of the panel 20, and rotated by a first preset angle along the first direction, at this time, the lock tongue structure 70 and the stop lock piece 121 are disengaged, when the panel 20 is rotated to an angle of 90 ° with the plane where the opening 12 is located, under the action of the link mechanism 60, the panel 20 stops rotating, the hard disk 30 is pulled out of the hard disk support 40, after the hard disk 30 is replaced, the hard disk 30 is pushed back into the accommodating space 80 of the hard disk support 40, the panel 20 is rotated to a state of completely shielding the opening 12, the key is inserted into the lock hole 71 on the outer wall surface of the panel 20, and rotated by a second preset angle along the second direction, at this time, the lock tongue structure 70 and the stop lock piece 121 are located at the stop position, so that the locking of the panel 20 is realized, and the replacement of the hard disk 30 is completed.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A chassis assembly, comprising:

the case comprises a case body (10), wherein the case body (10) is provided with a containing cavity (11) and an opening (12) communicated with the containing cavity (11);

a panel (20), the panel (20) being openably and closably provided at the opening (12) to close and open the opening (12);

and the hard disk (30) is arranged in the accommodating cavity (11) in a drawable manner, so that the hard disk (30) can be pulled out through the opening (12).

2. The cabinet assembly according to claim 1, wherein the receiving cavity (11) has a mounting area, the cabinet assembly further comprising:

the hard disk support (40) is arranged at the installation area and forms an accommodating space (80) for accommodating the hard disk (30) together with part of the cavity wall surface of the accommodating cavity (11), and the hard disk (30) is in sliding connection with the hard disk support (40).

3. The chassis assembly according to claim 2, wherein a stop limit is provided on a slide rail of the hard disk support (40), and when the hard disk (30) slides into place along the slide rail, the hard disk (30) is in stop fit with the stop limit to stop the hard disk (30) in the accommodating space (80).

4. The chassis assembly of claim 1, wherein the chassis assembly comprises,

the panel (20) is pivotally connected with the case body (10); or alternatively, the first and second heat exchangers may be,

the panel (20) is in sliding connection with the case body (10).

5. The chassis assembly of claim 1, further comprising:

and a pivoting structure (50), wherein one part of the pivoting structure (50) is connected with the panel (20), and the other part of the pivoting structure (50) is connected with the cavity wall surface of the accommodating cavity (11) so as to enable the panel (20) to be pivotally connected with the chassis body (10).

6. The chassis assembly of claim 5, wherein the pivot structure (50) comprises:

the panel comprises a panel (20), a first connecting sheet (51), a first positioning hole (511) and a second positioning hole, wherein the first connecting sheet (51) is connected with the panel (20), the first positioning hole (511) is formed in the position, opposite to the first positioning hole (511), of the panel (20), the pivoting structure (50) further comprises a first fastening piece (512), and the first fastening piece (512) sequentially penetrates through the first positioning hole (511) and the second positioning hole;

the second connecting piece (52), second connecting piece (52) with hold the chamber wall of chamber (11) and be connected, second connecting piece (52) are towards protruding being provided with spacing post (521) on the surface of first connecting piece (51) one side, first spacing hole (522) have been seted up on spacing post (521), just first spacing hole (522) follow spacing post (521) axial extension and link up second connecting piece (52) are kept away from the surface of first connecting piece (51) one side, hold the chamber wall of chamber (11) and have seted up the second spacing hole of lining up the interior wall and the outer wall of quick-witted case body (10), pivot connection structure still includes the second fastener, the second fastener passes in proper order second spacing hole with first spacing hole (522) are set up;

-a pivot shaft (53), said first connecting piece (51) and said second connecting piece (52) being pivotally connected by means of said pivot shaft (53).

7. The chassis assembly of claim 1, further comprising:

the connecting rod mechanism (60), the connecting rod mechanism (60) comprises at least two connecting rods (61), one ends of the two connecting rods (61) are pivotally connected, and the other ends of the two connecting rods (61) are respectively connected with the panel (20) and the case body (10).

8. The chassis assembly according to claim 7, wherein the two links (61) are equal in length, and the angle between the two links (61) is 180 ° when the panel (20) opens the opening (12) and forms an angle of 90 ° with the plane in which the opening (12) is located.

9. The chassis assembly according to claim 1, wherein a first lock structure is provided at the opening (12), a second lock structure is provided at a side of the panel (20) facing the opening (12), and the panel (20) is locked at the opening (12) by cooperation of the second lock structure with the first lock structure.

10. The chassis assembly according to claim 9, wherein the first lock structure is a stop lock tab (121) protruding at the opening (12), the second lock structure is a latch tab structure (70) rotatably disposed on the panel (20), the latch tab structure (70) has a locked position rotated a first predetermined angle in a first direction to be in stop-fit with the stop lock tab (121), and the latch tab structure (70) has an unlocked position rotated a second predetermined angle in a second direction opposite the first direction to be out-of-fit with the stop lock tab (121).