CN111522404A - 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 support and a protrusion. 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 portion, the elastic reset piece and the clamping hook portion, the protruding portion pushes the clamping piece into the accommodating space, the elastic reset piece deforms, and the clamping hook portion is buckled on the buckling portion to prevent the elastic reset piece from deforming and restoring. 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 present invention relates to a server device, especially a server device with a tenon mechanism.

Background technique

A plurality of slidable server units are stacked in a cabinet of the existing server equipment. Each server unit can be pulled 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 stopper 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 rails, causing safety concerns.

However, the stop structures of these server units still need to be designed in a more convenient and user-friendly direction in terms of structure, assembly, and operation, so as to increase the user's convenience and willingness to use.

SUMMARY OF THE INVENTION

The present invention provides a server device and a tenon mechanism thereof to solve the above-mentioned difficulties 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 restoring member and a hook portion. The frame has an accommodating space and a buckle portion. The shrapnel is located in the accommodating space and fits the inner surface of the frame. The elastic piece includes a fixing part, a accommodating part, a free end and a clip. The fixing part is fixedly connected to the frame, and the free end is opposite to each other. The accommodating part is located between the fixing part and the free end, and the clip is located on the free end and protrudes out of the frame from the accommodating space. The sliding frame includes a bracket and a protruding part. The bracket is slidably located between the dome and the frame. The protruding part is protruded on the bracket and accommodated in the accommodating part. The elastic reset piece 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 portion, the elastic reset member and the hook portion, the protruding portion moves between the elastic piece and the frame, and pushes the clip into the accommodating space of the frame, the elastic reset member is deformed, and The hook portion is fastened to the fastening portion, so that the elastic restoring element stores a restoring force that can move the protruding portion back to the accommodating portion.

In one or more embodiments of the present invention, the frame includes a first panel and a second panel. The second plate is located on one side of the first plate. The fixing part is located on the first plate part, and the buckle part is the inner side of a break of the second plate part.

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 used to fasten the fastening part. The torsion spring connects the bracket and the hook body, and is used for pushing the hook body to the buckle part.

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

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

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

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

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

In one or more embodiments of the present invention, the rack further includes a trigger portion. The trigger part is an outer edge of the first slide rail. In this way, when the chassis moves into the inner space and contacts the trigger portion, the trigger portion makes the hook portion disengage from the buckle portion, so that the elastic restoring member 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 panel of the chassis, and is fastened to the securing hole through a through opening of the side panel.

In this way, through the above structure, the user can automatically complete the clamping of the chassis to the rack through simple operations, which not only reduces the number of simplified components, but also reduces the material cost and structural complexity, and also increases the user's convenience and use. will.

The above descriptions are only used to illustrate the problems to be solved by the present invention, the technical means for solving the problems, and the effects thereof, etc. The specific details of the present invention will be introduced in detail in the following embodiments and related drawings.

Description of drawings

In order to make the above and other objects, features, advantages and embodiments of the present invention more clearly understood, the accompanying drawings are described as follows:

FIG. 1 is 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 according to the first embodiment of the present invention;

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

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

FIG. 4B shows a top view of the tenon mechanism of FIG. 4A;

5A shows a front view of the tenon mechanism of the second embodiment of the present invention;

5B is a partial cross-sectional view of FIG. 5A along line A-A;

6 is a perspective view of a tenon mechanism according to a third embodiment of the present invention;

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

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

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

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

FIG. 9C is an operation diagram of the tenon mechanism of FIG. 9B not being buckled by the buckle part.

Detailed ways

Hereinafter, various embodiments of the present invention will be disclosed 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 will appreciate that in some embodiments of the present invention, these practical details are not necessary and should not be used to limit the present invention. In addition, for the purpose of simplifying the drawings, some well-known and conventional structures and elements are shown in a simplified and schematic manner in the drawings. In addition, for the convenience of the reader, the size of each element in the drawings is not drawn according to the 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 sliding rail 120 and a second sliding rail 130 . The first sliding rail 120 and the second sliding rail 130 are respectively locked on the rack 100 and located in the inner space 110 opposite to each other. The first slide rail 120 has at least one (eg, two) fixing 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 interior space 110 . The tenon mechanism 300 is fixed on the chassis 200 so as to move synchronously with the chassis 200 . The tenon mechanism 300 is disposed on the side plate 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 to be fastened to the fixing hole 140 through the through hole 202 of the side plate 201 , thereby allowing the chassis 200 to be fixed on the rack 100 .

More specifically, FIG. 2 is a perspective view of the tenon mechanism 300 according to the first embodiment of the present invention. FIG. 3 is an exploded view of the tenon mechanism of FIG. 2 . As shown in FIG. 2 and FIG. 3 , in the present embodiment, the tenon mechanism 300 includes a frame 400 , an elastic piece 500 , a holding portion 520 , a sliding frame 600 , an elastic restoring 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 pieces 500 are located in the accommodating space 420 and fit against the inner surface 410 of the frame 400 . The elastic sheet 500 includes an elongated sheet body 510 , a accommodating portion 513 and at least one (eg, two) buckles 514 . The elongated sheet body 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 , and is, for example, a through opening. However, the invention is not limited thereto. In other embodiments, the accommodating portion 513 may also be a concave portion of the elongated sheet body 510 . The clip 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 sheet body 510 has a bent portion 516 , and the bent portion 516 is adjacent to the fixing portion 515 , forcing the elastic piece 500 to drive the clip 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 protruding portion 613 . The bracket 610 is slidably located between the elastic piece 500 and the frame 400 . The protruding portion 613 is protruded on the bracket 610 and accommodated in the accommodating portion 513 . The bracket 610 has a third end 611 and a fourth end 612 opposite to each other. The holding portion 520 is connected to the third end 611 of the bracket 610 and protrudes out of the inner space 110 ( FIG. 1 ). The holding portion 520 includes, for example, an L-shaped handle 530 . The third end 611 of the bracket 610 is close to the fixing portion 515 of the elongated sheet body 510 . The elastic restoring member 700 is, for example, a compression spring, which connects the frame 400 and the sliding frame 600 . The hook portion 800 is connected to the bracket 610 to be removably fastened to the fastening portion of the frame 400 . In this embodiment, the latching member 514 is located between the elastic restoring member 700 and the fixing portion 515 .

More specifically, the frame 400 includes a first plate 440 , a second plate 450 and a third plate 460 . The second plate 450 and the third plate 460 are respectively located on two opposite sides of the first plate 440 and extend in the same direction (eg, the Y-axis direction). The same direction (eg, the Y-axis direction) is, for example, orthogonal to the long-axis direction (eg, the X-axis direction) of the first plate member 440 . The second plate 450 has a break 451 , and the buckle portion is the inside 452 of the break 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 shaft 821 . The torsion spring 820 is fixed on the bracket 610 through the protruding post 822 and connects the bracket 610 and the hook body 810 to provide elastic force to continuously push the hook body 810 to the second plate 450 .

FIG. 4A is an operation diagram of the tenon mechanism 300 of FIG. 3 in an unlocked state. FIG. 4B is a top view of the tenon mechanism 300 of FIG. 4A . As shown in FIG. 1 , FIG. 4A and FIG. 4B , when the user pushes the grip portion 520 toward the inner space 110 (eg, the movement direction D1 ), so that the sliding frame 600 moves relative to the frame 400 , because the protruding portion 613 follows the sliding frame 600 is moved from the accommodating portion 513 into the space between the elastic piece 500 and the frame 400, 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 widened (FIG. 4B), thereby allowing the buckle The member 514 is pushed back into the accommodating space 420 from the opening 430 , that is, the locking member 514 is released from the fixing 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, and thus, 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 restoring member 700 begins to be compressed by the sliding frame 600 and the frame 400, and is in a deformed state, and stores an amount that allows the protruding portion 613 to move back to accommodate The restoring force of the part 513. As the sliding frame 600 moves, the hook body 810 of the hook portion 800 is pushed into the opening 451 along the second plate 450 to be fastened to the inner side 452 of the opening, 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 fastener 514 is temporarily forced into the accommodating space 420 of the frame 400 and will not protrude out of the frame 400 from the opening 430 , during the process of pulling out the chassis 200 , the fastener The 514 does not interfere with the first slide rail 120 , thereby reducing the chance of the clip 514 or the first slide rail 120 being damaged.

In addition, the elastic piece 500 further has a guide portion 517 . The guide portion 517 is located at the edge of the elongated sheet body 510 facing the accommodating portion 513 , so that the protruding portion 613 can be moved between the elastic sheet 500 and the frame 400 more smoothly.

On the contrary, when the user pushes the chassis 200 into the inner space 110 of the rack 100 , the hook portion 800 extending out of the opening 451 passes through the slot 204 ( FIG. 1 ) of the bottom plate 202 of the chassis 200 and contacts the rack 100 The trigger portion 150 in the rack 100 will push the hook portion 800 , so that the hook portion 800 retracts from the opening 451 into the accommodating space 420 and separates from the opening 451 . Therefore, the restoring force of the elastic restoring member 700 that is not interfered by the sliding frame 600 can automatically return the sliding frame 600 , the latching member 514 and the hook portion 800 to the original position (as shown in FIG. 2 ), and the user does not need to manually operate it. , thereby improving the user's convenience and willingness to use. For example, the trigger portion 150 is, for example, the front edge or other side edges of the first slide rail 120 , however, the present invention is not limited thereto.

Furthermore, as shown in FIG. 1 , the frame 100 includes four outer columns 101 . The outer column members 101 are arranged upright and spaced apart, so as to jointly surround the above-mentioned inner space 110 . The first slide rail 120 is fixedly connected to the two outer column members 101 . The second slide rail 130 is fixedly connected to the other two outer column members 101 .

FIG. 5A is a front view of the tenon mechanism 301 according to the second embodiment of the present invention. FIG. 5B is a partial cross-sectional view taken along line A-A of FIG. 5A . As shown in FIG. 5A and FIG. 5B , the tenon mechanism 301 of FIG. 5A is substantially the same as the tenon mechanism 300 of FIG. independent components. For example, but not as a limitation of the present invention, the bracket 610 includes a first sheet body 621 and a second sheet body 622 . The second sheet body 622 is located on one side of the first sheet body 621, and is orthogonal to the first sheet body 621, or at least intersects with the first sheet body 621, wherein the protruding portion 613 is formed on the first sheet body 621, and the first sheet body 621 Relying on the first plate member 440 , the second sheet body 622 is stacked on the second plate member 450 , and the hook portion 801 is integrally connected to the second sheet body 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 sheet body 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 in the moving direction D1, the hook 840 of the second sheet 622 falls into the opening 451 and is fastened to the inner side 452 of the opening, the hook 840 of the hook portion 801 can also allow the elastic reset member 700 stores the above-mentioned restoring force.

As shown in FIG. 5B , more specifically, the hook member 840 further includes two wedge-shaped pieces 841 . The wedge-shaped pieces 841 are respectively connected to two opposite sides of the elastic arm 830 and extend in 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 according to the third embodiment of the present invention. FIGS. 7A and 7B are diagrams showing the continuous operation of the tenon mechanism 302 of FIG. 6 in an unlocked state. As shown in FIG. 6 , the tenon mechanism 302 of FIG. 6 is substantially the same as the tenon mechanism 300 of FIG. 2 . The difference lies in that the buckle part is the end surface 453 of the second plate 450 facing the grip part 521 , not the inside of the breach. 452 , and the elastic restoring member 701 is a tension spring, and the grip portion 521 includes a ring-shaped handle 540 . In the present embodiment, the buckle member 514 is located between the elastic restoring member 701 and the ring-shaped handle 540 .

In this way, when the user pulls the grip portion 521 and the sliding frame 600 away from the inner space 110 (such as the movement direction D2 ), as shown in FIG. 7A , because the protruding portion 613 moves from the accommodating portion 513 into the narrow and narrow space along the movement direction D2 Between the sheet body 510 and the frame 400 , the clip 514 is retracted from the opening 430 into the accommodating space 420 , and the hook body 811 of the hook part 800 is separated from the surface of the second plate 450 and is pulled downward by the torsion spring 820 roll out.

Then, when the user no longer exerts any force to pull the gripping portion 521 and the sliding frame 600, the restoring force of the elastic restoring member 701 drives the gripping portion 521 and the sliding frame 600 in the opposite direction (eg, the movement direction D1), so that the hook portion is The hook body 811 of the 800 is moved to the end surface 453 of the second plate member 450 ( FIG. 7A ), and the hook body 811 of the hook portion 800 can be fastened to the end surface 453 of the second plate member 450 ( FIG. 7B ) , so that the tenon mechanism 302 is temporarily unlocked.

It should be understood that the clip 514 has a hook shape with a beveled 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 beveled edge 518 of the clip 514, so that the protruding portion 613 can move in more smoothly and expand the gap between the elongated sheet body 510 and the frame 400. gap between.

FIG. 8 is a perspective view of the tenon mechanism 303 according to the fourth embodiment of the present invention. As shown in FIG. 8 , the tenon mechanism 303 of FIG. 8 is substantially the same as the tenon mechanism 302 of FIG. 6 . The difference lies in that the gripping portion 523 of the tenon mechanism 303 is pivoted on the bracket 610 and is not fixedly connected to the bracket. 610 on.

Specifically, the chassis 200 has a blocking surface 210 facing the holding portion 523 . The holding 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 the end of the bracket 610 away from the fixing portion 515 through the pivot shaft 553 , so that the body 550 can rotate relative to the sliding frame 600 around the axis of the pivot shaft 553 . More specifically, the body 550 includes an abutting 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 abutting 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 shaft 553 is not on the centroid of the body 550 .

FIG. 9A is an operation diagram of the tenon mechanism 303 of FIG. 8 in the buckled state. FIG. 9B is an operation diagram of the tenon mechanism 303 of FIG. 8 in a permanent unlocked state. FIG. 9C is an operation diagram of the tenon mechanism 303 of FIG. 9B no longer being fastened by the fastening portion. As shown in FIG. 9A , when the user pulls the holding portion 523 and the sliding frame 600 to the left (eg, the movement direction D2 ), the hook portion 800 is fastened to the fastening portion, and the tenon mechanism 303 is in an unlocked state (Fig. 9A). Next, the user rotates the holding portion 523 again, so that the abutting portion 551 of the holding portion 523 directly abuts against the blocking surface 210 of the rack 100 ( FIG. 9B ). Therefore, the movement of the sliding frame 600 is respectively restricted by the blocking surface 210 and the buckle portion, 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 the 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 triggering portion 150 , the blocking of the sliding frame 600 by the end surface 453 is released ( FIG. 9C ), however, the blocking surface 210 stops the gripping portion 523 Therefore, the sliding frame 600 cannot be pulled back to the original position by the elastic reset member 700, so that the tenon mechanism 303 of this embodiment can be permanently unlocked, and the blocking of the sliding frame 600 by the buckle portion will not be released (FIG. 9B).

Since the abutting portion 551 of the holding portion 523 is farther away from the pivot shaft 553 than the inclined portion 552 , when the holding portion 523 rotates relative to the sliding frame 600 in the rotation direction C1 , the blocking surface 210 of the rack 100 can directly abut against the holding portion 552 . On the other hand, when the holding portion 523 rotates relative to the sliding frame 600 in the rotation direction C2, the abutting portion 551 of the rack 100 does not directly abut against the blocking surface 210 of the rack 100, and the The blocking surfaces 210 of the rack 100 maintain the spacing.

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

Finally, the above disclosed embodiments are not intended to limit the present invention. Anyone who is familiar with the art can make various changes and modifications without departing from the spirit and scope of the present invention. in the present invention. Therefore, the protection scope of the present invention should be determined by the scope defined by the appended claims.

Claims (10)

1. a tenon mechanism, is characterized in that, comprises: a frame, which has an accommodating space and a buckle part; An elastic piece is located in the accommodating space and fits the inner surface of the frame, and includes a fixing part, a accommodating part, a free end and a clip, the fixing part is fixedly connected to the frame, and the free end is mutually Oppositely, the accommodating portion is located between the fixing portion and the free end, and the snap member is located on the free end and protrudes out of the frame from the accommodating space; a sliding frame, comprising a bracket and a protruding part, the bracket is slidably located between the elastic sheet and the frame, the protruding part is protruded on the bracket and accommodated in the accommodating part; an elastic reset member, connecting the frame and the sliding frame; and a hook portion is connected to the bracket and is 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 latching part into the accommodating part of the frame In the space, the elastic restoring member is deformed, and the hook portion is buckled on the buckling portion, so that the elastic restoring member stores a restoring force that enables the protruding portion to move back to the accommodating portion. 2 . The tenon mechanism of claim 1 , wherein the frame comprises a first plate part and a second plate part, the second plate part is located on one side of the first plate part, wherein the fixing plate The connecting part is located on the first plate part, and the buckle part is the inner side of a break of the second plate part. 3 . The tenon mechanism of claim 1 , wherein the hook portion comprises a hook body and a torsion spring, and the hook body is rotatably connected to the bracket for buckling the buckling portion 3 . , the torsion spring connects the bracket and the hook body to push the hook body to the buckle portion. 4 . The tenon mechanism according to claim 1 , wherein the bracket comprises a first sheet body and a second sheet body, the second sheet body is located on one side of the first sheet body and is connected with the first sheet body. 5 . The first sheets are orthogonal to each other, wherein the protruding portion is formed on the first sheet; and The hook portion includes an elastic arm and a hook. 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 fixing portion, and the hook is located on the elastic arm. The free end of the arm is used for being fastened to the fastening portion. 5 . The tenon mechanism of claim 4 , wherein the hook member comprises two wedge-shaped pieces, the two wedge-shaped pieces are respectively connected to two opposite sides of the elastic arm and extend in the same direction. 6 . 6. The tenon mechanism of claim 1, further comprising: A holding part is connected to one end of the bracket away from the fixing part. 7 . The tenon mechanism of claim 6 , wherein the gripping portion is an L-shaped handle. 8 . 8. A server device, characterized in that, comprising: A rack includes an inner space, a first sliding rail, a second sliding rail and a fixing hole, the first sliding rail and the second sliding rail are located in the inner space opposite to each other, and the fixing hole is located in the inner space on the first slide rail; a case, removably located in the inner 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, fixed on the chassis, and removably snapped to the securing hole through the snap member, Wherein, when the fastener is pushed into the accommodating space, the fastener is separated from the fastener hole. 9 . The server device according to claim 8 , wherein the rack further comprises a trigger portion, and the trigger portion is an outer edge of the first slide rail, 10 . Wherein, when the chassis moves into the inner space and contacts the trigger portion, the trigger portion disengages the hook portion from the buckle portion, so that the elastic restoring member releases the restoring force. 10 . The server device of claim 8 , wherein the tenon mechanism is fixed on the inner side of a side panel of the chassis, and is fastened to the securing hole through a through hole of the side panel. 11 . .

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