CN209199019U - Server device and tenon clamping mechanism thereof - Google Patents

Abstract

A server device and a tenon clamping mechanism thereof. The tenon clamping mechanism comprises a frame, an elastic sheet, a sliding frame, an elastic reset piece and a clamping hook part. The elastic sheet comprises a fixed connection part, an accommodating part and a fastener. The fixing part is fixedly connected with the frame and is configured opposite to the fastener. The sliding frame comprises a bracket and a convex part. The support is slidably positioned between the elastic sheet and the frame. The protruding part is accommodated in the accommodating part. The elastic reset piece is connected with the frame and the sliding frame. The clamping hook part is connected with the bracket and can be removably fastened to the fastening part of the frame. When the sliding frame moves the protruding part, the elastic reset piece and the clamping hook part, the protruding part pushes the clamping piece into the accommodating space, the elastic reset piece deforms, the clamping hook part is buckled on the buckling part, and the deformation of the elastic reset piece is stopped to recover. Through the structure, a user can automatically clamp the machine case to the rack through simple operation, so that not only are simplified components reduced, but also material cost and structural complexity are reduced, and convenience and use will of the user are improved.

Description

Server device and its tenon mechanism

technical field

The utility model relates to a server device, especially a server device with a tenon mechanism.

Background technique

A plurality of slidable server units are stacked in the cabinet of the existing server equipment. Each server unit can be drawn horizontally along the slide rails in the cabinet to facilitate maintenance or replacement of the host or hard disk on the server unit.

The traditional server unit is provided with a stop structure to locate the server unit at a predetermined position in the cabinet, and prevent the server unit from shaking unexpectedly in the cabinet, or even detaching from the slide rail, causing safety concerns.

However, the stop structures of these server units still need to be designed in a more convenient and humanized direction in terms of structure, assembly and operation, so as to increase the convenience and willingness of users.

Utility model content

The utility model provides a server device and its tenon mechanism, which are used to solve the difficulties mentioned above in the prior art.

According to an embodiment of the present invention, the tenon mechanism includes a frame, an elastic piece, a sliding frame, an elastic reset member and a hook portion. The frame has an accommodating space and a fastening portion. The shrapnel is located in the accommodating space and fits the inner surface of the frame. The elastic piece includes a fixed part, a receiving part, a free end and a buckle. The fixing part is fixed to the frame and is opposite to the free ends. The accommodating part is located between the fixed part and the free end, and the buckle part is located on the free end and extends out of the frame from the accommodating space. The sliding frame includes a bracket and a protrusion. The bracket is slidably located between the elastic piece and the frame. The protruding part protrudes from the bracket and is accommodated in the containing part. The elastic restoring part connects the frame and the sliding frame. The hook portion is connected to the bracket, and is removably fastened to the fastening portion. In this way, when the sliding frame moves the protruding part, the elastic reset part and the hook part, the protruding part moves between the elastic piece and the frame, pushes the buckle part into the accommodation space of the frame, deforms the elastic reset part, and The hook portion is fastened to the fastening portion, so that the elastic reset member stores a restoring force that allows the protruding portion to move back to the receiving portion.

In one or more embodiments of the present invention, the frame includes a first plate and a second plate. The second board is located on one side of the first board. The fixing part is located on the first plate, and the fastening part is inside a breach of the second plate.

In one or more embodiments of the present invention, the hook portion includes a hook body and a torsion spring. The hook body is rotatably connected to the bracket, and is used for fastening the fastening portion. The torsion spring connects the bracket and the hook body to push the hook body to the fastening portion.

In one or more embodiments of the present invention, the bracket includes a first sheet and a second sheet. The second sheet is located on one side of the first sheet and is orthogonal to the first sheet. The protruding part is formed on the first piece. The hook portion includes an elastic arm and a hook piece. One end of the elastic arm is integrally connected to the second sheet body, and the other end is a free end extending toward the fixed portion, and the hook piece is located at the free end of the elastic arm. to fasten to the fastening part.

In one or more embodiments of the present invention, the hook includes two wedge-shaped pieces. These wedge-shaped pieces are respectively connected to two opposite sides of the elastic arm and extend towards the same direction.

In one or more embodiments of the present invention, the tenon mechanism further includes a gripping portion. The grip part is connected to an end of the bracket away from the fixed part.

In one or more embodiments of the present invention, the holding part includes an L-shaped handle.

According to another embodiment of the present invention, a server device includes a rack, a case, and the above-mentioned tenon mechanism. The frame includes an inner space, a first sliding rail, a second sliding rail and a fastening hole. The first slide rail is located in the inner space opposite to the second slide rail. The fastening hole is located on the first slide rail. The chassis is removably located in the inner space, and slidably located on the first slide rail and the second slide rail. The tenon mechanism is fixed on the chassis, and is removably buckled to the fastening hole through the buckle piece. When the buckle is pushed into the accommodating space, the buckle breaks away from the fastening hole.

In one or more embodiments of the present invention, the frame further includes a trigger part. The trigger part is an outer edge of the first slide rail. In this way, when the case moves into the inner space and contacts the triggering part, the triggering part disengages the hook part from the fastening part, so that the elastic restoring part releases the restoring force.

In one or more embodiments of the present invention, the tenon mechanism is fixed on the inner side of the side plate of the chassis, and is locked to the fastening hole through a through opening of the side plate.

In this way, through the above structure, the user can automatically complete the fastening of the chassis to the rack through simple operations, which not only reduces and simplifies components, but also reduces material costs and structural complexity, and increases user convenience and use will.

The above description is only used to illustrate the problems to be solved by the utility model, the technical means to solve the problems, and the effects thereof, etc. The specific details of the utility model will be introduced in detail in the following embodiments and related drawings .

Description of drawings

In order to make the above and other purposes, features, advantages and embodiments of the present invention more obvious and understandable, the accompanying drawings are described as follows:

FIG. 1 shows an exploded view of a server device according to an embodiment of the present invention;

FIG. 2 is a perspective view of the tenon mechanism of the first embodiment of the present invention;

FIG. 3 is an exploded view of the tenon mechanism shown in FIG. 2;

FIG. 4A is an operation diagram of the tenon mechanism in FIG. 3 in an unlocked state;

FIG. 4B is a top view of the tenon mechanism shown in FIG. 4A;

FIG. 5A is a front view of the tenon mechanism of the second embodiment of the present invention;

Fig. 5B is a partial cross-sectional view formed along line segment A-A in Fig. 5A;

FIG. 6 is a perspective view of the tenon mechanism of the third embodiment of the present invention;

7A and 7B are continuous operation diagrams of the tenon mechanism in FIG. 6 in an unlocked state;

FIG. 8 is a perspective view of the tenon mechanism of the fourth embodiment of the present invention;

FIG. 9A is an operation diagram of the tenon mechanism in FIG. 8 in an unlocked state;

FIG. 9B shows the operation diagram of the tenon mechanism of FIG. 8 in the permanently unlocked state; and

FIG. 9C is an operation diagram of the tenon mechanism shown in FIG. 9B not being fastened by the fastening portion.

Detailed ways

A number of implementations of the present invention will be disclosed below with the accompanying drawings. For the sake of clarity, many practical details will be described together in the following description. However, those skilled in the art should understand that in some embodiments of the present invention, these practical details are not necessary, and thus should not be used to limit the present invention. In addition, for the sake of simplifying the drawings, some known and conventional structures and elements will be shown in a simple and schematic manner in the drawings. In addition, for the convenience of readers, the sizes of the elements in the drawings are not shown in actual scale.

FIG. 1 is an exploded view of a server device 10 according to an embodiment of the present invention. As shown in FIG. 1 , in this embodiment, the server device 10 includes a rack 100 , a chassis 200 and a tenon mechanism 300 . The rack 100 includes an inner space 110 , a first slide rail 120 and a second slide rail 130 . The first sliding rail 120 and the second sliding rail 130 are respectively locked on the frame 100 and are located in the inner space 110 opposite to each other. The first sliding rail 120 has at least one (eg, two) fastening holes 140 . The chassis 200 is slidably located on the first slide rail 120 and the second slide rail 130 , so that the chassis 200 is removably accommodated in the inner space 110 . The tenon mechanism 300 is fixed on the case 200 so as to move synchronously with the case 200 . The tenon mechanism 300 is disposed on the side panel 201 of the chassis 200 corresponding to the first slide rail 120 . For example, the tenon mechanism 300 is disposed on the inner side of the side plate 201 , so as to be fastened to the fastening hole 140 through the opening 202 of the side plate 201 , so that the chassis 200 is fixed on the rack 100 .

More specifically, FIG. 2 shows a perspective view of the tenon mechanism 300 of the first embodiment of the present invention.

FIG. 3 is an exploded view of the tenon mechanism in FIG. 2 . As shown in FIG. 2 and FIG. 3 , in this embodiment, the tenon mechanism 300 includes a frame 400 , an elastic piece 500 , a gripping portion 520 , a sliding frame 600 , an elastic reset member 700 and a hook portion 800 . The frame 400 has an accommodating space 420 and at least one (eg, two) openings 430 . The opening 430 is formed on the inner surface 410 of the frame 400 . The elastic piece 500 is located in the accommodating space 420 and adheres to the inner surface 410 of the frame 400 . The elastic piece 500 includes a long and narrow piece body 510 , a receiving portion 513 and at least one (eg, two) locking pieces 514 . The elongated piece 510 has a first end 511 and a second end 512 opposite to each other. The first end 511 is fixed to the inner surface 410 of the frame 400 through the fixing portion 515, and the second end 512 is a free end. The accommodating portion 513 is located between the first end 511 and the second end 512 , such as a through opening. However, the present invention is not limited thereto. In other embodiments, the accommodating portion 513 can also be a concave portion of the elongated sheet 510 . The locking member 514 is located on the second end 512 of the elongated body 510 and extends out of the frame 400 from the opening 430 . The elongated piece 510 has a bent portion 516 , and the bent portion 516 is adjacent to the fastening portion 515 , forcing the elastic piece 500 to drive the buckle 514 to extend out of the frame 400 from the opening 430 of the frame 400 .

The sliding frame 600 includes a bracket 610 and a protrusion 613 . The bracket 610 is slidably located between the elastic piece 500 and the frame 400. The protruding portion 613 protrudes from the bracket 610 and is accommodated in the receiving portion 513 . The bracket 610 has a third end 611 and a fourth end 612 opposite to each other. The handle portion 520 is connected to the third end 611 of the bracket 610 and extends out of the inner space 110 ( FIG. 1 ). The grip portion 520 includes, for example, an L-shaped handle 530 . The third end 611 of the bracket 610 is close to the fastening portion 515 of the elongated piece 510 . The elastic reset member 700 is, for example, a compression spring, connecting the frame 400 and the sliding frame 600 . The hook portion 800 is connected to the bracket 610 for removably fastening to the fastening portion of the frame 400 . In this embodiment, the buckle 514 is located between the elastic reset member 700 and the fixing portion 515 .

More specifically, the frame 400 includes a first board 440 , a second board 450 and a third board 460 . The second plate 450 and the third plate 460 are respectively located on two opposite sides of the first plate 440 and extend toward a same direction (such as the Y-axis direction). The same direction (such as the Y-axis direction) is, for example, orthogonal to the long-axis direction of the first plate 440 (such as the X-axis direction). The second plate 450 has a breach 451 , and the fastening portion is the breach inner side 452 of the breach 451 .

In addition, the hook portion 800 includes a hook body 810 and a torsion spring 820 . The hook body 810 is rotatably connected to the bracket 610 through the pivot 821 . The torsion spring 820 is fixed on the bracket 610 through the protrusion 822 , and connects the bracket 610 and the hook body 810 to provide elastic force to continuously push the hook body 810 toward the second plate 450 .

FIG. 4A is an operation diagram of the tenon mechanism 300 in FIG. 3 in an unlocked state. FIG. 4B is a top view of the tenon mechanism 300 in FIG. 4A. As shown in Figure 1, Figure 4A and Figure 4B, when the user pushes the grip part 520 towards the inner space 110 (such as the movement direction D1), so that the sliding frame 600 moves relative to the frame 400, because the protrusion 613 moves with the sliding frame 600 moves into between the elastic piece 500 and the frame 400 from the accommodating part 513, so the second end 512 of the elongated piece 510 is pulled, and the gap G between the elastic piece 500 and the frame 400 is enlarged (Fig. 4B), and then the buckle The component 514 is pushed back into the accommodating space 420 from the opening 430 , that is, the locking component 514 is disengaged from the fastening hole 140 of the first slide rail 120 ( FIG. 1 ). In this way, the chassis 200 is no longer fixedly confined in the inner space 110, therefore, the chassis 200 can be pulled out of the inner space 110 of the rack 100 (FIG. 1).

In addition, at the same time when the sliding frame 600 moves relative to the frame 400, the elastic return member 700 begins to be compressed by the sliding frame 600 and the frame 400, and is in a deformed state, and stores a function that allows the protrusion 613 to move back into the accommodation. The restoring force of part 513. As the sliding frame 600 moves, the hook body 810 of the hook part 800 is pushed into the breach 451 along the second plate 450 and fastened to the inner side 452 of the breach, and the tenon mechanism 300 is temporarily in a state of force balance, which is called unlocked state.

It should be understood that since the buckle 514 is temporarily forced into the accommodation space 420 of the frame 400 and will not protrude out of the frame 400 from the opening 430, the buckle 514 will not protrude from the frame 400 when the chassis 200 is pulled out. 514 will not interfere with the first slide rail 120 , reducing the chance of damage to the buckle 514 or the first slide rail 120 .

In addition, the elastic sheet 500 further has a guiding portion 517 . The guide portion 517 is located on the edge of the elongated piece 510 facing the receiving portion 513 , so that the protruding portion 613 can move more smoothly between the elastic piece 500 and the frame 400 .

On the contrary, when the user pushes the chassis 200 into the internal space 110 of the rack 100, once the hook portion 800 protruding from the opening 451 touches the rack 100 through the slot 204 ( FIG. 1 ) of the bottom plate 202 of the chassis 200 The triggering part 150 inside the frame 100 will push the hook part 800 , so that the hook part 800 retracts from the opening 451 to the accommodation space 420 and breaks away from the opening 451 . Therefore, the restoring force of the elastic return member 700 that is not interfered by the sliding frame 600 can automatically return the sliding frame 600, the buckle 514 and the hook portion 800 to their original positions (as shown in FIG. 2 ), and the user does not need additional manual operations. , thereby improving the convenience and willingness of users. For example, the triggering portion 150 is, for example, the front edge or other side edges of the first sliding rail 120 , however, the present invention is not limited thereto.

In addition, as shown in FIG. 1 , the frame 100 includes four outer columns 101 . The outer columns 101 are respectively vertically arranged at intervals to jointly surround the above-mentioned inner space 110 . The first sliding rail 120 is fixedly connected to the two outer columns 101 . The second sliding rail 130 is fixedly connected to the other two outer columns 101 .

FIG. 5A is a front view of the tenon mechanism 301 of the second embodiment of the present invention. FIG. 5B is a partial cross-sectional view of FIG. 5A along the line segment A-A. As shown in FIG. 5A and FIG. 5B , the tenon mechanism 301 in FIG. 5A is substantially the same as the tenon mechanism 300 in FIG. element. For example, but not as a limitation of the present invention, the bracket 610 includes a first sheet 621 and a second sheet 622 . The second sheet 622 is located on one side of the first sheet 621, and is orthogonal to the first sheet 621, or at least intersects, wherein the protrusion 613 is formed on the first sheet 621, and the first sheet 621 Depending on the first plate 440 , the second sheet 622 is stacked on the second plate 450 , and the hook portion 801 is integrally connected to the second sheet 622 . More specifically, the hook portion 801 includes an elastic arm 830 and a hook member 840 . One end of the elastic arm 830 is integrally connected to the second piece 622 , and the other end is a free end 842 extending toward the fixing portion 515 . The hook 840 is located at the free end 842 of the elastic arm 830 . In this way, when the sliding frame 600 is pushed toward the moving direction D1, so that the hook 840 of the second piece 622 falls into the opening 451 and is fastened to the inner side 452 of the opening, the hook 840 of the hook part 801 can also make the elastic reset part 700 stores the recovery force mentioned above.

As shown in FIG. 5B , more specifically, the hook 840 further includes two wedge-shaped pieces 841 . These wedge-shaped pieces 841 are respectively connected to two opposite sides of the elastic arm 830 and extend toward the same direction, so that the hook portion 801 can be completed more conveniently.

FIG. 6 is a perspective view of the tenon mechanism 302 of the third embodiment of the present invention. 7A and 7B are continuous operation diagrams of the tenon mechanism 302 in FIG. 6 in the unlocked state. As shown in FIG. 6 , the tenon mechanism 302 in FIG. 6 is roughly the same as the tenon mechanism 300 in FIG. 2 , the difference is that the fastening part is the end surface 453 of the second plate 450 facing the gripping part 521 , not the inside of the breach. 452, and the elastic reset member 701 is a tension spring, and the holding portion 521 includes a ring-shaped handle 540 . In this embodiment, the buckle 514 is located between the elastic reset member 701 and the ring handle 540 .

In this way, when the user pulls the grip portion 521 and the sliding frame 600 toward the inner space 110 (such as the movement direction D2), as shown in FIG. Between the sheet body 510 and the frame 400, the buckle 514 is retracted from the opening 430 into the accommodating space 420, and the hook body 811 of the hook portion 800 leaves the surface of the second plate 450, and is pushed downward by the torsion spring 820. roll out.

Next, when the user no longer exerts force to pull the grip portion 521 and the sliding frame 600, the restoring force of the elastic reset member 701 will drive the grip portion 521 and the sliding frame 600 in the opposite direction (such as the movement direction D1), so that the hook portion The hook body 811 of 800 is moved to the end surface 453 of the second plate 450 ( FIG. 7A ), and the hook body 811 of the hook part 800 can be fastened to the end surface 453 of the second plate 450 ( FIG. 7B ). , so that the tenon mechanism 302 is temporarily in an unlocked state.

It should be understood that the buckle 514 is in the shape of a hook with an oblique edge 518 , and the opening 430 has an inner edge 431 . Therefore, when the sliding frame 600 is pulled toward the moving direction D2, the inner edge of the opening 430 pushes the hypotenuse 518 of the buckle 514, so that the protruding part 613 moves in more smoothly and expands the gap between the elongated body 510 and the frame 400. the gap between.

FIG. 8 is a perspective view of the tenon mechanism 303 of the fourth embodiment of the present invention. As shown in FIG. 8, the tenon mechanism 303 in FIG. 8 is substantially the same as the tenon mechanism 302 in FIG. 610 on.

Specifically, the chassis 200 has a blocking surface 210 facing the holding portion 523 . The handle portion 523 includes a body 550 , a pivot shaft 553 and a handle 555 . The handle 555 is connected to one side of the body 550 . The body 550 is pivotally connected to an end of the bracket 610 away from the fixed portion 515 through a pivot shaft 553 , so that the body 550 can rotate around the axis of the pivot shaft 553 relative to the sliding frame 600 . More specifically, the body 550 includes a resting portion 551 and an inclined portion 552 . The abutting portion 551 is adjacent to the inclined portion 552 and is disposed opposite to the handle 555 . The minimum linear distance 551L from the pivot shaft 553 to the abutment portion 551 is greater than the minimum linear distance 552L from the pivot shaft 553 to the inclined portion 552 . In other words, the pivot axis 553 is not on the centroid of the body 550 .

FIG. 9A is an operation diagram of the tenon mechanism 303 in FIG. 8 in a buckled state. FIG. 9B is an operation diagram of the tenon mechanism 303 in FIG. 8 in the permanent unlocking state. FIG. 9C is an operation diagram of the locking mechanism 303 in FIG. 9B no longer being engaged by the buckling portion. As shown in FIG. 9A , when the user pulls the grip part 523 and the sliding frame 600 toward the left (such as the moving direction D2), the hook part 800 is fastened to the fastening part, and the tenon mechanism 303 is in an unlocked state (FIG. 9A). Next, the user turns the grip portion 523 again, so that the abutting portion 551 of the grip portion 523 directly abuts against the blocking surface 210 of the frame 100 ( FIG. 9B ). Therefore, by restricting the movement of the sliding frame 600 through the blocking surface 210 and the fastening portion respectively, the elastic restoring member 700 is continuously in a deformed state and is prevented from releasing the restoring force, so the sliding frame 600 cannot be pulled back to its original position by the elastic restoring member 700 .

In this way, even if the hook body 811 is pushed back into the accommodating space 420 by the trigger part 150, and the stop of the end surface 453 on the sliding frame 600 is released ( FIG. 9C ), however, the stop of the grip part 523 through the blocking surface 210 Therefore, the sliding frame 600 cannot be pulled back to its original position by the elastic return member 700, so that the tenon mechanism 303 of this embodiment can be in a permanent unlocking state, and the stopper of the sliding frame 600 will not be released due to the buckle ( FIG. 9B ).

Since the abutting portion 551 of the grip portion 523 is farther away from the pivot shaft 553 than the inclined portion 552, when the grip portion 523 rotates relative to the sliding frame 600 in the rotation direction C1, the blocking surface 210 of the frame 100 can directly abut against the grip. On the other hand, when the gripping portion 523 rotates relative to the sliding frame 600 in the direction of rotation C2, the abutting portion 551 of the frame 100 will not directly abut against the blocking surface 210 of the frame 100, but will not directly abut against the blocking surface 210 of the frame 100. The blocking surface 210 of the frame 100 maintains a distance.

In this way, when the holding portion 523 is rotated so that the abutting portion 551 of the frame 100 faces the blocking surface 210 of the frame 100, since the abutting portion 551 of the frame 100 cannot directly stop the blocking surface 210, once the sliding frame 600 is no longer stopped by the fastening portion, and the sliding frame 600 can be pulled back to its original position by the restoring force of the elastic reset member 700 .

Finally, the above-disclosed embodiments are not intended to limit the present utility model. Anyone familiar with the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Be protected in the utility model. Therefore, the scope of protection of the present utility model should be as defined by the appended claims.

Claims (10)

1. A tenon mechanism, characterized in that it comprises: A frame with an accommodating space and a fastening portion; An elastic piece, located in the accommodating space, fits the inner surface of the frame, and includes a fixed part, a receiving part, a free end and a buckle, the fixed part is fixed to the frame, and the free end is connected to each other Oppositely, the receiving portion is located between the fixed portion and the free end, the buckle is located on the free end, and extends out of the frame from the accommodating space; A sliding frame, including a bracket and a protruding part, the bracket is slidably located between the elastic piece and the frame, the protruding part is protruded on the bracket and accommodated in the receiving part; an elastic reset member connecting the frame and the sliding frame; and a hook portion connected to the bracket and removably fastened to the fastening portion, Wherein, when the sliding frame moves the protruding part, the elastic restoring part and the hook part, the protruding part moves between the elastic piece and the frame, and pushes the buckle part into the accommodation of the frame In the space, the elastic resetting part is deformed, and the hook part is fastened to the fastening part, so that the elastic resetting part stores a restoring force that allows the protruding part to move back to the receiving part. 2. The tenon mechanism according to claim 1, wherein the frame comprises a first plate and a second plate, the second plate is located on one side of the first plate, wherein the fixing The connecting portion is located on the first plate, and the fastening portion is inside a breach of the second plate. 3. The tenon mechanism according to claim 1, wherein the hook part comprises a hook body and a torsion spring, and the hook body is rotatably connected to the bracket for buckling the buckle part , the torsion spring connects the bracket and the hook body for pushing the hook body toward the fastening portion. 4. The tenon mechanism according to claim 1, wherein the bracket comprises a first sheet and a second sheet, the second sheet is located on one side of the first sheet, and is connected to the first sheet the first sheets are orthogonal to each other, wherein the protrusion is formed on the first sheets; and The hook portion includes an elastic arm and a hook piece. One end of the elastic arm is integrally connected to the second piece, and the other end is a free end extending toward the fixed portion, and the hook piece is located on the elastic arm. The free end of the arm is used for fastening to the fastening portion. 5 . The tenon mechanism according to claim 4 , wherein the hook member comprises two wedge-shaped pieces, and the wedge-shaped pieces are respectively connected to two opposite sides of the elastic arm and extend toward the same direction. 5 . 6. The tenon mechanism according to claim 1, further comprising: A holding part is connected with an end of the bracket away from the fixing part. 7. The tenon mechanism according to claim 6, wherein the holding portion is an L-shaped handle. 8. A server device, characterized in that it comprises: A frame includes an internal space, a first slide rail, a second slide rail and a fastening hole, the first slide rail is located in the internal space opposite to the second slide rail, and the fastening hole is located on the first slide rail; a chassis, removably located in the internal space, and slidably located on the first slide rail and the second slide rail; and A tenon mechanism as claimed in any one of claims 1 to 7, which is fixed on the chassis, and is removably buckled to the fastening hole through the buckle member, Wherein, when the buckle is pushed into the accommodating space, the buckle is disengaged from the fastening hole. 9. The server device according to claim 8, wherein the rack further comprises a trigger portion, the trigger portion is an outer edge of the first slide rail, Wherein, when the case moves into the inner space and contacts the triggering portion, the triggering portion disengages the hook portion from the fastening portion, so that the elastic return member releases the restoring force. 10. The server device according to claim 8, wherein the tenon mechanism is fixed on the inner side of a side plate of the chassis, and is locked to the fastening hole through a through opening of the side plate .