TWM605445U - Housing - Google Patents

Abstract

A casing includes a first casing, a second casing, a linkage component and a movable plate. The pivotal member includes a first assembling part, a second assembling part and a third assembling part. The first assembling part and the second assembling part are pivotally connected to each other along the first axis. The third assembly part fixes the first assembly part. The linkage assembly includes a first connecting rod, a second connecting rod and a push rod. The first link is pivotally connected to the third assembly part and the second link, and the first link is pivotally connected to the third assembly part along the second axis. The first axis does not overlap the second axis. The push rod is pivotally connected to the second connecting rod. The movable board includes a board body and a fixed rod. The push rod is pivotally connected to the second connecting rod and the fixed rod. The fixed rod is pivotally connected to the push rod and the fixed plate body. When the first housing is pivoted relative to the second housing to open, the push rod drives the plate of the movable plate to separate from the base through the fixed rod and exposes the vent of the second housing.

Description

chassis

The present invention relates to a casing, in particular to a casing containing a pivoting piece.

As the portable computers are currently being produced toward the trend of being thinner and lighter, the heat dissipation space in the portable computers is often limited. Generally speaking, in order to expand the heat dissipation space of the portable computer, the traditional portable computer includes a pivotal cover in addition to a main body and a display body that are pivotally connected to each other. The pivotal cover has a movable side and a pivotal side opposite to each other, and the pivotal side is pivotally connected to a side of the main body away from the display body through the pivotal member. In this way, the mobile phone can pivot and open relative to the main body when the portable computer is operating, thereby expanding the heat dissipation space of the portable computer.

However, in order to maintain the pivotal relationship between the cover body and the main body, the pivotal side of the cover body must remain at the original position when the movable side of the cover body pivots relative to the main body to open. That is to say, when the movable side of the cover is pivoted and opened relative to the main body, the pivoting side of the cover does not move away from the main body, which makes it difficult for this pivotal cover to effectively expand and expand. The cooling space of a portable computer.

The present model is to provide a casing, so as to effectively expand the heat dissipation space of the casing.

The casing disclosed in an embodiment of the present invention includes a first casing, a second casing, a linkage component and a movable plate. The second casing includes a base and a stopper. The first shell is stacked on the base. The base has a receiving slot and a vent communicating with each other. The stopper is fixed on the base and located in the containing groove. The pivotal member includes a first assembling part, a second assembling part and a third assembling part. The first assembling part is fixed to the first housing. The second assembling part is fixed to the second housing. The first assembling part and the second assembling part are pivotally connected to each other along a first axis so that the first housing is pivotally connected to the base of the second housing. The third assembly part is fixed to the first assembly part. The linkage assembly includes a first connecting rod, a second connecting rod and a push rod. The different places of the first connecting rod are pivotally connected to the third assembling part and the second connecting rod respectively, and the first connecting rod is pivoted to the third assembling part along a second axis. The first axis does not overlap the second axis. The second connecting rod is slidably disposed on the base of the second housing. The push rod is pivotally connected to the second connecting rod. The movable board includes a board body and a fixed rod. The different places of the push rod are respectively pivotally connected to the second connecting rod and the fixed rod. The different places of the fixed rod are respectively pivotally connected to the push rod and fixed to the plate body. When the first housing is opened by pivoting relative to the base of the second housing through the pivoting member, the first housing drives the first link to move through the first assembling part and the third assembling part of the pivoting part, so that The first connecting rod drives the push rod to be pushed by the stopper through the second connecting rod, so that the push rod drives the plate body of the movable plate through the fixed rod to separate from the base and expose the vent.

According to the casing disclosed in the above embodiment, the first assembling part and the second assembling part are pivotally connected to each other along the first axis, and the first connecting rod is pivotally connected to the third assembling part fixed to the first assembling part along the second axis, And the first axis does not overlap the second axis. Therefore, when the first housing is opened by pivoting the pivot member relative to the base of the second housing, the first housing can drive the first connecting rod to move through the first assembly portion and the third assembly portion of the pivot member. . In addition, since the first link is pivotally connected to the second link and the push rod is pivotally connected to the second link, the first link can drive the push rod through the second link, and the push rod can be protected by the stopper. Push back. Furthermore, because the fixed rods are pivotally connected to the push rod and the plate body fixed to the movable plate, the push rod can drive the plate of the movable plate through the fixed rod to separate from the base and expose the vent of the base Out. In this way, the entire plate body of the movable plate can be separated from the base to effectively expand the heat dissipation space of the casing.

The detailed features and advantages of the embodiments of the present invention will be described in detail in the following embodiments. The content is sufficient to enable anyone with ordinary knowledge in the art to understand the technical content of the embodiments of the present invention and implement them accordingly, and is disclosed in accordance with this specification. With the content, scope of patent application and drawings, anyone with ordinary knowledge in the field can easily understand the purpose and advantages of the present model. The following embodiments further illustrate the viewpoints of the present invention in detail, but do not limit the scope of the present invention by any viewpoint.

Please refer to Figure 1 to Figure 3. Fig. 1 is a perspective view of a casing according to an embodiment of the present invention when it is in a closed state. Fig. 2 is a perspective exploded schematic view of the pivotal member, the linkage assembly and the movable plate of the casing in Fig. 1. Fig. 3 is a partial enlarged view of a side sectional view of the cabinet in Fig. 1.

In this embodiment, the casing 10 is, for example, a casing of a notebook computer and includes a first casing 100, a second casing 200, two pivotal members 250, two linkage components 300, a movable plate 400, and multiple A foot pad 500. In this embodiment, the first housing 100 is, for example, a housing for a display module (not shown), wherein the display module is used for displaying images.

In this embodiment, the first housing 100 is pivotally connected to the second housing 200 through two pivotal members 250 so that the housing 10 has a closed state and an open state. In this embodiment, the second housing 200 is, for example, a housing for a motherboard (not shown), and includes a base 201, a stopper 202, and a mounting frame 203. The base 201 has a first bottom surface 2010, a first top surface 2011, a receiving groove 2012, a groove 2013 and a vent 2014. When the casing 10 is in the closed state, the first casing 100 is stacked on the first top surface 2011. The first bottom surface 2010 and the first top surface 2011 are opposite to each other. The accommodating groove 2012 is located between the first bottom surface 2010 and the first top surface 2011. The vent 2014 is connected to the accommodating groove 2012 through the groove 2013, and is located on the first bottom surface 2010. The stopper 202 is fixed to the base 201 and is located in the receiving groove 2012. The mounting frame 203 is fixed to the base 201 and is located in the containing groove 2012. In addition, the mounting frame 203 has a sliding groove 2030.

In this embodiment, the two pivotal members 250 are respectively disposed on opposite sides of the base 201 of the second housing 200, and the two linkage assemblies 300 are respectively connected to the two pivotal members 250. Since the structure and connection relationship of the two pivot members 250 are similar and the structure and connection relationship of the two linkage components are similar, for convenience of description, only the single pivot member 250 and the single linkage assembly 300 connected to each other will be described in detail below.

The pivot member 250 includes a first assembling part 251, a second assembling part 252 and a third assembling part 253. In this embodiment, the first assembling portion 251 includes a fixed section 254 and a pivot section 255. The fixing section 254 is fixed to the first housing 100 and the pivoting section 255. In addition, in this embodiment, the fixed section 254 and the pivotal section 255 are integrally formed, but it is not limited thereto. In other embodiments, the fixed section and the pivoted section may also be a combined structure. The pivot section 255 is pivotally connected to the second assembling part 252, and the second assembling part 252 is fixed to the base 201 of the second housing 200 so that the first housing 100 is pivoted to the base 201 of the second housing 200. In addition, the pivot section 255 of the first assembly portion 251 and the second assembly portion 252 are pivotally connected to each other along a first axis A1. In this embodiment, the third assembling portion 253 includes a first end 2530 and a second end 2531 opposite to each other. In this embodiment, the first end 2530 of the third assembling portion 253 is fixed to the pivotal section 255 of the first assembling portion 251 in a sleeved manner, but it is not limited to this. In other embodiments, the first end of the third assembling part can also be fixed to the pivotal section of the first assembling part by adhesion or other methods. In addition, in other embodiments, the first end of the third assembling part can also be changed to be fixed to the fixing section of the first assembling part.

In this embodiment, the linkage assembly 300 includes a first connecting rod 301, a second connecting rod 302, two mounting posts 305, a first push rod 303, a second push rod 304, and a reset member 306. The first connecting rod 301 is pivotally connected to the third assembling part 253 and the second connecting rod 302, respectively. The second connecting rod 302 is slidably disposed on the base 201 of the second housing 200, and the first push rod The second push rod 303 and the second push rod 304 are respectively pivotally connected to different places of the second link 302.

Specifically, in this embodiment, the first link 301 has a first end 3010 and a second end 3011 opposite to each other. The first end 3010 of the first link 301 is pivotally connected to the second end 2531 of the third assembly portion 253 along a second axis A2. In addition, the first axis A1 does not overlap the second axis A2. The second connecting rod 302 includes a first end 3020, a mounting portion 3021 and a second end 3022. The first end 3020 of the second link 302 is pivotally connected to the second end 3011 of the first link 301. The mounting portion 3021 of the second link 302 is connected to the first end 3020 and the second end 3022. The two mounting posts 305 are fixed to the mounting part 3021 of the second link 302 and slidably disposed in the sliding groove 2030 of the mounting frame 203, that is, the mounting part 3021 of the second link 302 passes through the two mounting posts 305 and the mounting frame 203 is slidably disposed on the base 201 of the second housing 200. The first push rod 303 includes a first end 3030 and a second end 3031 opposite to each other. The first end 3030 of the first push rod 303 is pivotally connected to the first end 3020 of the second link 302. The second push rod 304 includes a first end 3040 and a second end 3041 opposite to each other. The first end 3040 of the second push rod 304 is pivotally connected to the second end 3022 of the second link 302. That is, in this embodiment, the linkage assembly 300 includes two push rods (that is, the first push rod 303 and the second push rod 304), and the two push rods are respectively pivotally connected to two opposite ends of the second connecting rod 302. End, but not limited to this. In other embodiments, the linkage assembly may also include only one push rod and adjust the position of the push rod pivotally connected to the second connecting rod according to actual requirements.

In addition, in other embodiments, the linkage assembly may only include one mounting post 305. Furthermore, in other embodiments, the linkage assembly does not need to include the mounting post 305 and the second housing does not need to include the mounting frame 203. Instead, meshing gears and racks are used to make the mounting portion of the second link available. It is slidably disposed on the base of the second housing.

The restoring member 306 is located in the receiving groove 2012 of the base 201 of the second housing 200. Specifically, in this embodiment, the restoring member 306 is, for example, a telescopic spring, and opposite ends of the restoring member 306 are respectively fixed to the mounting portion 3021 of the second link 302 and the second end portion 3041 of the second push rod 304. In addition, the reset member 306 is used to drive the second push rod 304 to reset. Of course, in other embodiments, the linkage assembly may not need to include the reset member 306, and the second link may be reset manually or in other ways instead.

In this embodiment, the movable plate 400 includes a plate body 401, a first fixed rod 402 and a second fixed rod 403. The board 401 has a second bottom surface 4010 and a second top surface 4011 opposite to each other. The second bottom surface 4010 is farther away from the first housing 100 than the second top surface 4011. The plate 401 is accommodated in the groove 2013 of the base 201 of the second housing 200, and the second bottom surface 4010 of the plate 401 is flush with the first bottom surface 2010 of the base 201, so that the second bottom surface of the plate 401 The bottom surface 4010 and the first bottom surface 2010 of the base 201 jointly present a flat appearance, but it is not limited to this. In other embodiments, the base may also have the groove 2013 and the second bottom surface of the movable plate may not be flush with the first bottom surface of the base.

The different places of the first fixing rod 402 are respectively pivotally connected to the first push rod 303 and fixed to the plate body 401, and the different places of the second fixing rod 403 are respectively pivoted to the second push rod 304 and fixed to the plate body 401 . Specifically, the first fixing rod 402 has a first end 4020 and a second end 4021 opposite to each other. The first end 4020 of the first fixing rod 402 is pivotally connected to the second end 3031 of the first push rod 303, and the second end 3031 of the first push rod 303 is used to be pushed by the stopper 202 to drive the second end 3031 A first end 4020 of a fixed rod 402. The second end 4021 of the first fixing rod 402 is fixed to the second top surface 4011 of the board 401. The second fixing rod 403 has a first end 4030 and a second end 4031 opposite to each other. The first end 4030 of the second fixing rod 403 is pivotally connected to the second end 3041 of the second push rod 304. The second end 4031 of the second fixing rod 403 is fixed to the second top surface 4011 of the board 401. That is to say, in this embodiment, the movable plate 400 includes two fixed rods (namely, the first fixed rod 402 and the second fixed rod 403), and the two fixed rods are pivotally connected to the two push rods, but the present invention It is not limited to this. In the embodiment where the linkage assembly only includes one push rod, the movable plate may also include only one fixed rod.

It should be noted that, in this embodiment, the stopper 202 is between the second end 3031 of the first push rod 303 and the pivot section 255 of the first assembly portion 251 of the pivot member 250, and the first The second end 3031 of the push rod 303 pivotally connected to the first fixing rod 402 is closer to the pivot of the first assembly part 251 of the pivot member 250 than the first end 3030 of the first push rod 303 pivoted to the second link 302 The second end 3031 of the first push rod 303 is closer to the pivoting section 255 to be pushed by the stopper 202, but it is not limited to this. In other embodiments, the second end of the first push rod pivotally connected to the first fixing rod may also be farther away from the first end of the pivotal member than a first end of the first push rod pivoted to the second link. The pivotal section of the first push rod makes the side farther from the pivotal section of the second end of the first push rod to be pushed by the stopper.

The foot pad 500 is protruded from the first bottom surface 2010 of the base 201 of the second housing 200 by a protrusion distance D1 and is separated from the vent 2014 and the groove 2013. In addition, the foot pad 500 is used to support the base 201 of the second housing 200 on a bearing surface (not shown). In addition, in other embodiments, the casing may only include a single foot pad, and the size and position of the foot pad can be adjusted according to actual needs.

Please refer to Figure 4. Fig. 4 is a partial enlarged view of a side sectional view of the cabinet in Fig. 1 in an open state.

As shown in FIG. 4, when the first housing 100 is pivoted and opened in an opening direction F1 relative to the base 201 of the second housing 200 through the pivoting member 250 (that is, the housing 10 is converted from the closed state to the open state) , The first housing 100 drives the first connecting rod 301 to move through the first assembling part 251 and the third assembling part 253 of the pivoting member 250, so that the first connecting rod 301 drives the first push rod 303 through the second connecting rod 302 The side of the second end 3031 close to the pivoting member 250 is pushed by the stopper 202. When the second end 3031 of the first push rod 303 is pushed by the stopper 202, the first push rod 303 and the second push rod 304 drive the movable plate 400 through the first fixed rod 402 and the second fixed rod 403, respectively. The board 401 is separated from the groove 2013 of the base 201. In this way, the vent 2014 of the base 201 is exposed to the outside, and the heat dissipation space of the casing 10 is effectively expanded. In addition, when the second push rod 304 drives the plate body 401 to separate from the groove 2013 of the base 201 through the second fixing rod 403, the restoring member 306 is stretched to store elastic potential energy. Furthermore, when the plate body 401 is separated from the groove 2013 of the base 201, the plate body 401 and the first bottom surface 2010 are separated from each other by an interval distance D2. In other words, the plate 401 is separated from the groove 2013 of the base 201 in a parallel manner rather than a pivotal manner. In addition, in this embodiment, the protruding distance D1 of the foot pad 500 is greater than the separation distance D2, that is, when the board 401 is separated from the groove 2013 of the base 201, the housing 10 is supported by the foot pad 500 Bearing surface, but not limited to this. In other embodiments, the protrusion distance of the foot pad can also be less than or equal to the separation distance between the board and the first bottom surface.

Please refer to FIG. 3 again, when the first housing 100 is pivoted in a closing direction F2 opposite to the opening direction F1 with respect to the base 201 of the second housing 200 through the pivoting member 250 to be closed and opened (that is, the housing 10 changes from opening When the state is converted to the closed state), the first housing 100 drives the first connecting rod 301 to move through the first assembly portion 251 and the third assembly portion 253 of the pivotal member 250. In addition, the stretched restoring member 306 will release the elastic potential energy to assist the first connecting rod 301 to fix the first push rod 303 and the second push rod 304 through the first fixing rod 402 and the second fixing rod 402 through the second connecting rod 302. The rod 403 drives the plate body 401 of the movable plate 400 to approach the groove 2013 of the base 201 and is received in the groove 2013 again.

It should be noted that, in other embodiments, the casing may only have a single pivoting member and a single linkage component, and the positions of the single pivoting member and the single linkage component can be adjusted according to actual needs.

In addition, the housing is not limited to include the foot pads disclosed in the above embodiments. Please refer to FIG. 5. FIG. 5 is a partial enlarged view of a side view of a casing in an open state according to another embodiment of the present invention. In this embodiment, the casing 10a does not include the foot pads disclosed in the above embodiments. When the plate 401a is separated from the groove 2013a of the base 201a, the casing 10a is only supported on the bearing surface through the movable plate 400a.

Furthermore, the present invention is not limited to the form and arrangement of the reset piece. Please refer to FIG. 6, which is a partial enlarged view of a side cross-sectional view of a casing according to still another embodiment of the present invention. In this embodiment, the reset member 306b includes a first magnet 3060b and a second magnet 3061b. The first magnet 3060b is fixed to the second connecting rod 302b and the second magnet 3061b is fixed to the second push rod 304b. The side of the first magnet 3060b adjacent to the second magnet 3061b and the side of the second magnet 3061b adjacent to the first magnet 3060b have different polarities, so that the second magnet 3061b is used to be attracted by the first magnet 3060b The second push rod 304b is driven to reset, so that the plate body 401b of the movable plate 400b is close to the groove 2013b of the base 201b.

According to the casing disclosed in the above embodiment, the first assembling part and the second assembling part are pivotally connected to each other along the first axis, and the first connecting rod is pivotally connected to the third assembling part fixed to the first assembling part along the second axis, And the first axis does not overlap the second axis. Therefore, when the first housing is opened by pivoting the pivot member relative to the base of the second housing, the first housing can drive the first connecting rod to move through the first assembly portion and the third assembly portion of the pivot member. . In addition, since the first link is pivotally connected to the second link and the push rod is pivotally connected to the second link, the first link can drive the push rod through the second link, and the push rod can be protected by the stopper. Push back. Furthermore, because the fixed rods are pivotally connected to the push rod and the plate body fixed to the movable plate, the push rod can drive the plate of the movable plate through the fixed rod to separate from the base and expose the vent of the base Out. In this way, the entire plate body of the movable plate can be separated from the base to effectively expand the heat dissipation space of the casing.

Although the present invention is disclosed in the foregoing embodiments as above, it is not intended to limit the present invention. Anyone familiar with similar art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of patent protection for new models shall be determined by the scope of patent applications attached to this specification.

10: Chassis 100: first shell 200: second shell 201: Pedestal 2010: the first underside 2011: first top surface 2012: holding tank 2013: groove 2014: vent 202: stop 203: mounting frame 2030: Chute 250: pivot 251: First Assembly Department 252: Second Assembly Department 253: Third Assembly Department 2530: first end 2531: second end 254: fixed segment 255: pivot section 300: Linkage components 301: first link 3010: first end 3011: second end 302: second link 3020: first end 3021: Installation Department 3022: second end 303: first putt 3030: first end 3031: second end 304: second putt 3040: first end 3041: second end 305: Mounting post 306: reset 400: Activity board 401: Board 4010: second bottom 4011: second top surface 402: first fixed rod 4020: first end 4021: second end 403: second fixed rod 4030: first end 4031: second end 500: foot pad A1: The first axis A2: second axis D1: Projection distance F1: opening direction D2: separation distance F2: closing direction 10a: Chassis 201a: Pedestal 2013a: groove 400a: activity board 401a: Board body 201b: Pedestal 2013b: groove 302b: second link 304b: second putter 306b: reset piece 3060b: first magnet 3061b: second magnet 400b: Activity board 401b: Board body

Fig. 1 is a perspective view of a casing according to an embodiment of the present invention when it is in a closed state. Fig. 2 is a perspective exploded schematic view of the pivotal member, the linkage assembly and the movable plate of the casing in Fig. 1. Fig. 3 is a partial enlarged view of a side sectional view of the cabinet in Fig. 1. Fig. 4 is a partial enlarged view of a side sectional view of the cabinet in Fig. 1 in an open state. Fig. 5 is a partial enlarged view of a side view of a casing in an open state according to another embodiment of the present invention. Fig. 6 is a partial enlarged view of a side sectional view of a casing according to yet another embodiment of the present invention.

10: Chassis

100: first shell

200: second shell

201: Pedestal

2010: the first underside

2011: first top surface

2012: holding tank

2013: groove

2014: vent

202: stop

203: mounting frame

2030: Chute

252: Second Assembly Department

253: Third Assembly Department

254: fixed segment

255: pivot section

301: first link

302: second link

303: first putt

304: second putt

305: Mounting post

306: reset

400: Activity board

401: Board

4010: second bottom

4011: second top surface

402: first fixed rod

403: second fixed rod

500: foot pad

D1: Projection distance

F1: opening direction

D2: separation distance

Claims (10)

A casing comprising: a first casing; a second casing comprising a base and a stopper, the first casing is stacked on the base, and the base has a container communicating with each other A slot and a vent, the stopper is fixed to the base and is located in the receiving slot; a pivotal member includes a first assembly part, a second assembly part and a third assembly part, the An assembling part is fixed to the first housing, the second assembling part is fixed to the second housing, the first assembling part and the second assembling part are pivotally connected to each other along a first axis so that the first housing Is pivotally connected to the base of the second housing, the third assembling part is fixed to the first assembling part; a linkage assembly includes a first connecting rod, a second connecting rod and a push rod, the first The different parts of the connecting rod are respectively pivotally connected to the third assembling part and the second connecting rod, and the first connecting rod is pivotally connected to the third assembling part along a second axis, and the first axis does not overlap the A second axis, the second connecting rod is slidably disposed on the base of the second housing, the push rod is pivotally connected to the second connecting rod; and a movable plate including a plate body and a fixed rod, The different parts of the push rod are respectively pivotally connected to the second connecting rod and the fixing rod, and the different parts of the fixed rod are respectively pivotally connected to the push rod and fixed to the plate; wherein, when the first housing When the pivotal member pivots relative to the base of the second housing to open, the first housing drives the first link to move through the first assembling portion and the third assembling portion of the pivotal member , So that the first connecting rod drives the push rod through the second connecting rod, and the push rod is pushed against by the stopper, so that the push rod drives the plate body of the movable plate through the fixed rod to separate On the base and expose the vent to the outside. The casing according to claim 1, wherein the linkage assembly further includes a resetting member located in the accommodating groove of the base of the second casing and used for driving the push rod to reset to enable the movement The board is close to the base. The casing according to claim 2, wherein the resetting member is a telescopic spring, and opposite ends of the resetting member are respectively fixed to the second connecting rod and the push rod. The housing of claim 2, wherein the resetting member includes a first magnet and a second magnet, the first magnet is fixed to the second connecting rod and the second magnet is fixed to the push rod, the first magnet The side of the magnet adjacent to the second magnet and the side of the second magnet adjacent to the first magnet have different polarities, so that the second magnet is used to be attracted by the first magnet to drive the The push rod is reset, so that the plate body of the movable plate is close to the base. The casing according to claim 1, wherein the first assembling portion includes a fixed section and a pivot section, the fixed section is fixed to the first housing and the pivot section, and the pivot section is pivotally connected to the The second assembling part is fixed to the pivotal section of the first assembling part. The casing according to claim 1, wherein the linkage assembly further includes a mounting post, the second housing further includes a mounting frame, the mounting frame is disposed on the base and has a chute, and the mounting post is fixed to The second connecting rod is slidably arranged in the sliding groove of the mounting frame. The casing according to claim 1, further comprising a plurality of foot pads, the base of the second casing further has a top surface and a bottom surface opposite to each other, and the first casing is stacked on the first casing On the top surface of the base of the two shells, the vent is located on the bottom surface, and the foot pads are protruded from the bottom surface of the base and separated from the vent. The housing of claim 7, wherein when the first housing is pivoted and opened relative to the base of the second housing through the pivotal member, the plate body of the movable plate and the base of the base The bottom surfaces are spaced apart from each other by an interval distance, and the foot pads are protruded on the bottom surface of the base with a protrusion distance, and the protrusion distance is greater than the interval distance. The casing according to claim 1, wherein the base of the second casing further has a first bottom surface, a first top surface and a groove, and the first bottom surface and the first top surface are opposite to each other , The first housing is stacked on the first top surface of the second housing, the vent is located on the first bottom surface, the groove is located on the first bottom surface, the vent is located on the groove and penetrates the recess The groove communicates with the accommodating groove, the plate body of the movable plate has a second top surface and a second bottom surface opposite to each other, and the second bottom surface is farther from the first housing than the second top surface. The plate body of the movable plate is accommodated in the groove and the second bottom surface is flush with the first bottom surface. The casing according to claim 1, wherein the stopper is between the push rod and the first assembling part of the pivotal member, and the push rod is pivotally connected to the fixing rod than the push rod A point pivotally connected to the second link is close to the first assembling part of the pivotal member. When the first housing is pivoted and opened relative to the second housing through the pivotal member, the push rod is close to the One side of the pivotal member is pushed against by the stopper.

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