CN101593004B

CN101593004B - Fixing component and casing with the fixing component

Info

Publication number: CN101593004B
Application number: CN2008100987022A
Authority: CN
Inventors: 蔡文正
Original assignee: Asustek Computer Inc
Current assignee: Asustek Computer Inc
Priority date: 2008-05-30
Filing date: 2008-05-30
Publication date: 2011-06-29
Anticipated expiration: 2028-05-30
Also published as: CN101593004A

Abstract

A fixing assembly for fixing a board module and a housing having the fixing assembly. The fixing assembly includes a base and a sliding member. The base has a bearing portion, a hook spring arm and a limiting structure. The sliding member has an elastic portion and a body, and the body is movably arranged on the base. When the sliding member is in a locked position, the limiting structure is suitable for contacting and limiting the movement of the body, and the elastic portion limits the locking plate of the board module on the plate. When force is applied to the hook spring arm to release the contact between the limiting structure and the body, the elastic portion moves the sliding member to the unlocked position by its elastic restoring force.

Description

Fixation kit and have the casing of this fixation kit

Technical field

The invention relates to a kind of fixation kit and use the casing of this fixation kit, and particularly relevant for the fixation kit that makes things convenient for user's stripper card module and have the casing of this fixation kit.

Background technology

Computer can be divided into display, host machine part and peripheral equipment haply.Wherein, display promptly is general our said screen, and peripheral equipment comprises mouse, keyboard, printer, scanner and digital camera etc., and main frame partly then is responsible for work such as main data operation and storage.Host computer mainly comprises casing, motherboard, memory modules, central processing unit (CPU), board card module, power supply unit and data memory device (data storage equipment), wherein data memory device includes floppy drive, Winchester disk drive, CD-ROM drive and CD writer etc., and common board card module then comprises sound card, display card, network card and adapter etc.

In host computer, board card module can embed in all kinds of slots on the motherboard, and an end that again board card module is had connector is locked in the back plate of computer chassis, and exposes connector by the opening on the plate of back.Thus, but the connector relative fixed on the board card module so that external device (ED) can firmly be connected with connector, and provides functions such as the transmission of for example audio output, image output, data or conversion on computer chassis.When board card module was fixed on the casing, the integrated circuit board of board card module was the slot that is inserted on the motherboard, and the locking plate that is positioned at the integrated circuit board front end then secures to casing by screw.

Yet, after the screw that the user need utilize locking instrument such as turnscrew will pass the assembly hole of locking plate and casing disassembles, the slot of board card module from motherboard could be taken off, cause ease of use not good.

Summary of the invention

The invention provides a kind of fixation kit, it has the ease of use of disassembling board card module and assembled plate card module.

The invention provides a kind of casing, it has the ease of use of disassembling board card module and assembled plate card module.

The present invention proposes a kind of in order to a board card module is fixed in the fixation kit on the plate, and wherein board card module comprises a locking plate and an integrated circuit board.This fixation kit comprises a pedestal and a sliding part.Base configuration is on plate, and this pedestal has a supporting part, a trip elastic arm and one first position limiting structure.Sliding part has an elastic and a body, and sliding part is equipped on the supporting part of pedestal movably.When sliding part was positioned at a locked position, first position limiting structure was suitable for contacting and limit moving of body, and elastic is limited in the locking plate of board card module between fixation kit and the above-mentioned plate.When forcing in the trip elastic arm when removing first position limiting structure and body spacing, elastic makes sliding part move to a unlocked position by its elastic restoring force.

The present invention proposes a kind of casing in addition, comprises one first plate and above-mentioned fixation kit.

In an embodiment of above-mentioned fixation kit and casing, first position limiting structure is the poor structure of a section between trip elastic arm and the supporting part.

In an embodiment of above-mentioned fixation kit and casing, pedestal has more two draw-in grooves, and sliding part has more two holding sections, and the holding section is positioned at body relatively away from a side of elastic, and sliding part is when being positioned at locked position, and the holding section combines with draw-in groove.

In an embodiment of above-mentioned fixation kit and casing, pedestal has two chutes, and two chutes are positioned at the both sides of supporting part, and sliding part has the two guiding tips, and the guiding tip is positioned at the both sides of elastic, and the guiding tip is arranged in the chute movably.

In an embodiment of above-mentioned fixation kit and casing, first plate has an assembly hole, and pedestal has one first fixed part, and first fixed position in supporting part relatively away from a side of trip elastic arm, assembly hole into plate is suitable for planting.

In an embodiment of above-mentioned fixation kit and casing, this elastic of sliding part is S-shaped.

In an embodiment of above-mentioned fixation kit and casing, first plate has one first assembly hole, and the locking plate has one second assembly hole, and sliding part has a projection, this projection is positioned at elastic relatively away from a surface of body, when sliding part was positioned at locked position, projection passed first assembly hole of plate and second assembly hole of locking plate.

In an embodiment of above-mentioned fixation kit and casing, sliding part has more one second fixed part, and this second fixed part protrudes from elastic with the direction of the moving direction that is parallel to sliding part.

In an embodiment of above-mentioned fixation kit and casing, sliding part has more at least one fin, and this fin is positioned at elastic relatively away from a surface of body.

In an embodiment of above-mentioned fixation kit and casing, sliding part has more a pushing part, and this pushing part is positioned at body relatively away from a side of elastic, uses for the user and forces in pushing part.

In an embodiment of above-mentioned casing, more comprise a plurality of second plates, be assembled into a casing with first plate.

Utilize the fixation kit of casing of the present invention board card module can be assembled on first plate of casing.When user's desire disassembled board card module, the user only need force in the trip elastic arm of pedestal, just can remove the spacing of first position limiting structure and body, and the elastic of sliding part makes sliding part move to unlocked position by its elastic restoring force.At this moment, the user just can disassemble board card module easily.So for the user, casing of the present invention and fixation kit thereof have ease of use.

For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.

Description of drawings

Fig. 1 is the casing of one embodiment of the invention and the synoptic diagram of board card module.

Fig. 2 is not limited in board card module the partial schematic diagram of first plate for the fixation kit of Fig. 1.

Fig. 3 is the synoptic diagram of the fixation kit of Fig. 2.

Fig. 4 A is positioned at the schematic side view of unlocked position for the fixation kit of Fig. 2.

Fig. 4 B is the cut-open view of Fig. 4 A.

Schematic side view when Fig. 5 A is the fixation kit contact locking part of Fig. 4 A.

Fig. 5 B is the cut-open view of Fig. 5 A.

Fig. 6 A is positioned at the schematic side view of locked position for the fixation kit of Fig. 5 A.

Fig. 6 B is the cut-open view of Fig. 6 A.

Embodiment

Fig. 1 is the casing of one embodiment of the invention and the synoptic diagram of board card module.Please refer to Fig. 1, the casing 1000 of present embodiment comprises one first plate 2000 and at least one fixation kit 3000, and wherein fixation kit 3000 is assembled in first plate 2000, and a board card module 4000 can be fixedly arranged on first plate 2000.In present embodiment, casing 1000 can be the host machine casing of computer, and it also comprises a plurality of second plates 2500 (only schematically illustrating one second plate 2500 among Fig. 1).First plate 2000 and second plate 2500 can be assembled into a casing, but present embodiment and can't represent the overall picture of casing for convenience of description among Fig. 1.The material of first plate 2000 and second plate 2500 can be metal or other material.Can a ccontaining motherboard 5000 in the casing that assembles by first plate 2000 and second plate 2500, and board card module 4000 is suitable for being plugged on the motherboard 5000, and fit together with casing 1000, be plugged on stability on the motherboard 5000 to promote board card module 4000.Specifically, board card module 4000 comprises a locking plate 4100 and an integrated circuit board 4200, wherein a side of integrated circuit board 4200 has golden finger, and golden finger electrically connects integrated circuit board 4100 and motherboard 5000 in order in the slot 5100 on the correspondence insertion motherboard 5000.Locking plate 4100 is arranged at a side of integrated circuit board 4200 contiguous first plates 2000, and this locking plate 4100 has one second assembly hole 4110.

Fig. 2 is the partial schematic diagram that the fixation kit of Fig. 1 is not limited in board card module first plate, and Fig. 3 is the synoptic diagram of the fixation kit of Fig. 2.Please also refer to Fig. 2 and Fig. 3, the fixation kit 3000 of present embodiment comprises that one is disposed at pedestal 3100 and a plurality of sliding part 3200 on first plate 2000, and the material of pedestal 3100 and sliding part 3200 can be plastics or other suitable material.Pedestal 3100 has a plurality of supporting parts 3110, a plurality of trip elastic arm 3120 and a plurality of first position limiting structure 3130.Wherein, first position limiting structure 3130 for example is one section poor structure of 3110 of trip elastic arm 3120 and supporting parts.Sliding part 3200 has an elastic 3210 and a body 3220, and body 3220 is corresponding movably is equipped on the supporting part 3110 of pedestal 3100.When fixation kit 3000 is fixed in board card module 4000 on first plate 2000, sliding part 3200 can be positioned at a locked position, and first position limiting structure 3130 can contact body 3220, and limiting moving of

body

3220,3210 of elastic can be limited in the locking plate 4100 of board card module 4000 on first plate 2000.

Hold above-mentioned, pedestal 3100 has more a plurality of draw-in grooves 3140, and sliding part 3200 has two holding sections 3230, this holding section 3230 is positioned at body 3220 relative sides away from elastic 3210, when fixation kit 3000 is fixed in board card module 4000 on first plate 2000, the holding section 3230 of sliding part 3200 promptly can be subjected to draw-in groove 3140 spacing of pedestal 3100, and then allow sliding part 3200 can firmly be positioned at locked position, and the elastic 3210 of sliding part 3200 can continue the locking plate 4100 of board card module 4000 is limited on first plate 2000.

In addition, pedestal 3100 has more a plurality of chutes 3150 that are positioned at the both sides of supporting part 3110, and sliding part 3200 has more two guiding tips 3240 that are positioned at the both sides of elastic 3210, and the guiding tip 3240 is arranged in the chute 3150 movably.Therefore, sliding part 3200 can move relative to the supporting part 3110 of pedestal 3100, but but guide the moving range that cooperate limit slippage part 3200 of the tip 3240 with chute 3150, and prevent that sliding part 3200 breaks away from pedestals 3100.By this, can avoid losing the puzzlement that sliding part 3200 is brought.

Please continue with reference to figure 2 and Fig. 3, first plate 2000 has more one the 3rd assembly hole 2200, and pedestal 3100 has more one first fixed part 3160, and it for example is a flanged structure.This first fixed part 3160 is positioned at supporting part 3110 relative sides away from trip elastic arm 3120.First fixed part 3160 can be plugged on the 3rd assembly hole 2200 of first plate 2000, so that pedestal 3100 is assembled on first plate 2000.In addition, also optionally utilize screw (not illustrating) pedestal 3100 to be locked on first plate 2000 in the both sides of pedestal 3100.

Hold above-mentionedly, sliding part 3200 has more a projection 3250, and projection 3250 is positioned at elastic 3210 relatively away from surfaces of body 3220.When sliding part 3200 was positioned at locked position, projection 3250 can pass first assembly hole 2100 of first plate 2000 and second assembly hole 4110 of locking plate 4100, and locking plate 4100 is limited on first plate 2000.

In addition, sliding part 3200 has more one second fixed part 3260.Identical with first fixed part 3160, this second fixed part 3260 also for example is a flanged structure, and it can protrude from elastic 3260 with the direction of the moving direction that is parallel to sliding part 3200.When sliding part 3200 was positioned at locked position, second fixed part 3260 can be bearing on locking plate 4100, with spacing locking plate 4100.

Moreover sliding part 3200 has more at least one fin 3270, and present embodiment is an example with a plurality of fins 3270.Fin 3270 is positioned at elastic 3210 relative surfaces away from body 3220.When sliding part 3200 was positioned at locked position, fin 3270 can contact the surface of locking plate 4100 towards elastic 3210.Fin 3270 can increase the stability in contact between sliding part 3200 and the locking plate 4100.

Person more, sliding part 3200 has more a pushing part 3280, and this pushing part 3280 is positioned at body 3220 relatively away from sides of elastic 3210, uses for the user and forces in pushing part 3280, and sliding part 3200 is moved relative to pedestal 3100.

The fixation kit 3000 that Fig. 3 illustrates is made up of a pedestal 3100 and a plurality of sliding part 3200.But in the embodiment that other does not illustrate, also can be according to single pedestal of the installing of user demand on first plate and single the fixation kit that sliding part is formed, or fixation kit comprises independently a plurality of individually pedestals and a plurality of sliding part, and the corresponding sliding part of each pedestal.

Generally speaking, meeting elder generation is inserted in the golden finger of the integrated circuit board 4200 of board card module 4000 in the slot 5100 of motherboard 5000, and the fixation kit 3000 that re-uses present embodiment is fixed in first plate 2000 with board card module 4000.The step of using above-mentioned fixation kit 3000 board card module 4000 to be fixed in first plate 2000 below will be described.

Fig. 4 A is the schematic side view that the fixation kit of Fig. 2 is positioned at unlocked position, and Fig. 4 B is the cut-open view of Fig. 4 A.Please also refer to Fig. 4 A and Fig. 4 B, first fixed part 3160 of pedestal 3100 is plugged in the 3rd assembly hole 2200 of first plate 2000, so that pedestal 3100 is arranged on first plate 2000.Afterwards, sliding part 3200 and pedestal 3100 are fitted together.Perhaps, also can be that first fixed part 3160 with pedestal 3100 was plugged in the 3rd assembly hole 2200 of first plate 2000 again, and fixation kit 3000 is assembled on first plate 2000 after elder generation fitted together sliding part 3200 and pedestal 3100.

When sliding part 3200 was positioned at a unlocked position, fixation kit 3000 was not fixed in board card module 4000 on first plate 2000.Specifically, this moment, sliding part 3200 did not contact with first position limiting structure 3130, so sliding part 3200 is not subjected to the spacing of first position limiting structure 3130 yet, and the guiding tip 3240 slides in chute 3150 movably.In addition, can allow sliding part 3200 combine by the guiding tip 3240 with the annexation of 3150 of chutes with pedestal 3100.It should be noted that in the present invention, sliding part 3200 represents that promptly sliding part 3200 is positioned at unlocked position as long as be not subjected to the spacing of first position limiting structure 3130, unlocked position is not single ad-hoc location.

Schematic side view when Fig. 5 A is the fixation kit contact locking part of Fig. 4 A, and Fig. 5 B is the cut-open view of Fig. 5 A.Please also refer to Fig. 5 A and Fig. 5 B, force in the pushing part 3280 of sliding part 3200 as the user, by the annexation of guiding 3150 of the tip 3240 and chutes, sliding part 3200 can move towards a first direction D1 along chute 3150 and move, and elastic 3210 can contact locking parts 4100.At this moment, projection 3250 can be positioned at second assembly hole 4110 of locking part 4100.

Fig. 6 A is the schematic side view that the fixation kit of Fig. 5 A is positioned at locked position, and Fig. 6 B is the cut-open view of Fig. 6 A.Please also refer to Fig. 6 A and Fig. 6 B, after elastic 3210 contact locking plates 4100, the user still continues to force in pushing part 3280, prop up the end of draw-in groove 3140 up to the holding section 3230 of sliding part 3200, sliding part 3200 can't be continued to move along first direction D1, sliding part 3200 promptly arrives locked position, and locking plate 4100 promptly by the pressing of elastic 3210 being fixed in effectively on first plate 2000, and then allow the locking plate 4100 of board card module 4000 be limited between the fixation kit 3000 and first plate 2000.

The elastic 3210 of present embodiment for example is S-shaped.Certainly, present embodiment does not limit the shape of elastic 3210, and the shape of all effectively pressing locking plates 4100 all belongs to spirit of the present invention and category.When sliding part 3200 arrived locked position, the user no longer forced in pushing part 3280, and first position limiting structure 3130 can be spacing to the body 3220 of sliding part 3200, and sliding part 3200 promptly can't be moved towards the direction opposite with first direction D1.

In addition, sliding part 3200 is being passed to locked position, so that sliding part 3200 is limited in the process of first position limiting structure 3130, trip elastic arm 3120 can be subjected to the compression of sliding part 3200 its sidepieces 3222 and produce of short duration elastic deformation.When sliding part 3200 be pushed move to locked position after, because first position limiting structure 3130 is one section poor structure of 3110 of trip elastic arm 3120 and supporting parts, therefore the sidepiece 3222 of sliding part 3200 promptly can be placed in the above-mentioned section space that difference produced, and trip elastic arm 3120 can discharge an elastic-restoring force, with sidepiece 3222 fluid-tight engagement of sliding part 3200.At this moment, holding section 3230 can be limited in the draw-in groove 3140 of trip elastic arm 3120 tops, and then the displacement of limit slippage part 3200 on a second direction D2, and second direction D2 is the direction of vertical first direction D1.

What deserves to be mentioned is that when sliding part 3200 was positioned at locked position, elastic 3210 can be squeezed and elastic deformation, and its surface away from body 3220 can closely contact with locking plate 4100.In addition, be arranged at elastic 3210 and can pass second assembly hole 4110 of locking plate 4100 away from the projection 3250 on the surface of body 3220 relatively and be plugged in first assembly hole 2100 of first plate 2000, make locking plate 4100 be fixedly arranged in first plate 2000.

In addition, even the surface irregularity of locking plate 4100 or locking plate 4100 fail closely to contact with two surface of contact of elastic 3210, because the elastic 3210 of present embodiment is provided with fin 3270 away from the surfaces of body 3220 relatively, so the present embodiment tight ness rating that plate 4100 combines with first plate 2000 of can strengthening locking.In other words, being provided with of fin 3270 can increase the elastic 3210 and the contact area of plate 4100 that locks, and then the locking plate 4100 and first plate 2000 are more combined closely.

Moreover, when sliding part 3200 is positioned at locked position, protrude from second fixed part, the 3260 meeting breasting locking plates 4100 of elastic 3210 along the moving direction (being first direction D1) of sliding part 3200, and limit locking plate 4100 simultaneously with first plate 2000 and can't on the second direction D2 vertical, move with first direction D1.In addition, also because second fixed part 3260 and first plate 2000 insert and put locking plate 4100, so also can increase the assembling steadiness of the locking plate 4100 and first plate 2000.

From the above, by fixation kit 3000, board card module 4000 can firmly be assembled to first plate 2000.

When being installed with of the user's desire releasing board card module 4000 and first plate 2000 concerned, sliding part 3200 just was the inverted sequence of Fig. 4 A～Fig. 6 A by the start that locked position moves to unlocked position.When sliding part 3200 is positioned at the locked position that shows as Fig. 6 A, at first the user forces in trip elastic arm 3120, make trip elastic arm 3120 along oppositely the moving of second direction D2, spacing with the body 3220 of 3130 pairs of sliding parts 3200 of first position limiting structure of removing pedestal 3100.Then show as Fig. 5 A, because when sliding part 3200 is positioned at locked position, elastic 3210 can be squeezed and elastic deformation, and after the spacing relation of removing 3220 of first position limiting structure 3130 and sliding part 3200 its bodies, elastic 3210 can be recovered shape by an elastic-restoring force.When elastic 3210 was recovered shape, the elastic restoring force of elastic 3210 can make sliding part 3200 arrive unlocked position along oppositely moving of first direction D1.By this, even the user no longer forces in trip elastic arm 3120, the body 3220 of sliding part 3200 can not be subjected to first position limiting structure 3130 spacing of pedestal 3100 more yet.At this moment, stationary installation 3000 is no longer spacing to the locking plate 4100 and first plate 2000, and the user just can disassemble board card module 4000.

For the user, the casing 1000 that uses this fixation kit 3000 and have this fixation kit 3000 can not need use hand tools such as turnscrew, just can be installed with board card module 4000 apace or this board card module 4000 is disassembled, so the fixation kit 3000 of present embodiment and casing 1000 with this fixation kit 3000 have ease of use.

In sum, at fixation kit of the present invention and have in the casing of this fixation kit, the user only needs the application of force to pass the sliding part of fixation kit, makes sliding part move to locking position from unlocked position on pedestal, just the locking plate of board card module can be fixed on first plate.When the user desires the stripper card module, also only need the application of force to push the trip elastic arm of pedestal, can remove body spacing of first position limiting structure of pedestal and sliding part, sliding part just can move to unlocked position from locked position by the elastic restoring force of its elastic self, and the user just can disassemble board card module.For the user, the user does not need to use hand tools such as turnscrew just can carry out dismounting to board card module, so have ease of use.

In addition, when sliding part was positioned at locked position, by the elastic restoring force of the elastic of sliding part, elastic can closely contact with the surface of locking plate, and then increases the assemble stable of the locking plate and first plate.

Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.

Claims

1. A fixing assembly for fixing the board module on the board, wherein the board module includes a locking board and a board, wherein the above-mentioned fixing assembly includes:

The base is configured on the above-mentioned plate, and the above-mentioned base has a bearing part, a hook elastic arm and a first position-limiting structure; and

The slider has an elastic part and a body, and the slider is movably arranged on the bearing part of the base, wherein when the slider is in the locked position, the first limiting structure is suitable for contacting the body and The movement of the above-mentioned body is restricted, and the above-mentioned elastic part restricts the above-mentioned locking plate of the above-mentioned card module between the fixing assembly and the above-mentioned plate, when the force is applied to the above-mentioned hook elastic arm to release the above-mentioned first limiting structure and When the above-mentioned main body is limited, the above-mentioned elastic portion moves the above-mentioned sliding member to the unlocking position by virtue of its elastic restoring force.

2 . The fixing assembly according to claim 1 , wherein the first limiting structure is a step structure between the hook elastic arm and the bearing portion. 3 .

3. The fixing assembly according to claim 1, wherein the base further has two slots, and the slider further has two engaging parts, and the engaging parts are located on the body relatively far from the One side of the elastic part, and when the slider is in the locking position, the engaging parts are combined with the engaging grooves.

4. The fixing assembly according to claim 1, wherein the above-mentioned base further has two sliding grooves, and the above-mentioned sliding grooves are located on both sides of the above-mentioned supporting part, and the above-mentioned sliding member further has two guides The above-mentioned guide pins are located on both sides of the above-mentioned elastic part, and the above-mentioned guide pins are movably arranged in the above-mentioned slide grooves.

5. The fixing assembly according to claim 1, wherein the board further has an assembly hole, and the base further has a first fixing part, and the first fixing part is located on the bearing part and is relatively far away from the card One side of the hook arm is adapted to be inserted into the above-mentioned assembly hole of the above-mentioned plate.

6. The fixing assembly according to claim 1, wherein the elastic portion of the sliding member is S-shaped.

7. The fixing assembly according to claim 1, wherein the above-mentioned plate further has a first assembly hole, and the above-mentioned locking plate further has a second assembly hole, and the above-mentioned sliding member further has a boss, and the above-mentioned The protruding post is located on the surface of the elastic part that is relatively far away from the above-mentioned body, and when the above-mentioned sliding member is in the above-mentioned locking position, the above-mentioned protruding post passes through the above-mentioned first assembly hole of the above-mentioned plate part and the above-mentioned second assembly hole of the above-mentioned locking plate part .

8. The fixing assembly according to claim 1, wherein the sliding member further has a second fixing portion protruding from the elastic portion in a direction parallel to the moving direction of the sliding member.

9 . The fixing assembly according to claim 1 , wherein the sliding member further has at least one rib located on a surface of the elastic portion relatively away from the body. 10 .

10 . The fixing assembly according to claim 1 , wherein the sliding member further has a pushing portion, which is located on a side of the body relatively away from the elastic portion, for a user to apply force to the pushing portion. 11 .

11. A casing for fixing a board module, the above-mentioned board module includes a locking plate and a board, and it is characterized in that the above-mentioned casing includes:

first panel;

At least one fixing component, each fixing component includes:

The base is configured on the first plate, and the base has a bearing portion, a hook elastic arm and a first position-limiting structure; and

The slider has an elastic part and a body, and the slider is movably arranged on the bearing part of the base, wherein when the slider is in the locked position, the first limiting structure is suitable for contacting the body and The movement of the above-mentioned body is restricted, and the above-mentioned elastic part restricts the above-mentioned locking plate of the above-mentioned card module between the above-mentioned fixing assembly and the above-mentioned first plate, when the force is applied to the above-mentioned hook elastic arm to release the above-mentioned first limit When the positioning structure and the above-mentioned body are limited, the above-mentioned elastic part moves the above-mentioned sliding part to the unlocking position by virtue of its elastic restoring force.

12 . The casing according to claim 11 , wherein the first limiting structure is a step structure between the hook elastic arm and the bearing portion. 13 .

13. The casing according to claim 11, wherein the base further has two slots, and the slider further has two engaging portions, and the engaging portions are located on the body relatively far from the One side of the elastic part, and when the slider is in the locking position, the engaging parts are combined with the engaging grooves.

14. The casing according to claim 11, wherein the above-mentioned base further has two sliding slots, and the above-mentioned sliding slots are located on both sides of the above-mentioned supporting part, and the above-mentioned sliding member further has two guides The above-mentioned guide pins are located on both sides of the above-mentioned elastic part, and the above-mentioned guide pins are movably arranged in the above-mentioned slide grooves.

15. The casing according to claim 11, wherein the first plate further has an assembly hole, and the base further has a first fixing portion, and the first fixing portion is located relatively far from the bearing portion One side of the hook elastic arm is adapted to be inserted into the assembly hole of the first board.

16. The casing according to claim 11, wherein the elastic portion of the sliding member is S-shaped.

17. The casing according to claim 11, wherein the first plate part further has a first assembly hole, the locking plate part further has a second assembly hole, and the sliding part further has a boss The above-mentioned protruding post is located on the surface of the above-mentioned elastic part that is relatively far away from the above-mentioned main body. When the above-mentioned sliding member is at the above-mentioned locked position, the above-mentioned protruding post passes through the above-mentioned first assembly hole of the above-mentioned first plate part and the above-mentioned first assembly hole of the above-mentioned locking plate part. Second assembly hole.

18. The casing according to claim 11, wherein the sliding member further has a second fixing portion protruding from the elastic portion in a direction parallel to the moving direction of the sliding member.

19 . The casing according to claim 11 , wherein the sliding member further has at least one rib located on a surface of the elastic portion relatively away from the main body.

20 . The casing according to claim 11 , wherein the sliding member further has a push portion located on a side of the body relatively away from the elastic portion, for the user to apply force to the push portion. 21 .

21. The casing according to claim 11, further comprising a plurality of second boards assembled with the first boards to form a box body.