TWI764707B - Foldable electronic device - Google Patents

Abstract

A foldable electronic device including a first body, a second body, a third body, a hinge mechanism, a stand, a switching mechanism and a torsion spring is provided. The third body is pivoted to the second body. The hinge mechanism includes a shaft and a positioning element. The second body is pivoted to the first body through the shaft. The positioning element is fixed to the shaft. The positioning element is located in the second body, and includes a positioning hole. The stand is pivoted to the second body, and includes a hook. The switching mechanism includes a first sliding element and a second sliding element. The first sliding element and the second sliding element are slidably disposed in the second body. The first sliding element includes a pin located in the second body. The pin is inserted into the positioning hole. The second sliding element is located on a moving path of the first sliding element. The hook is inserted into the second body. The second sliding element is engaged with the hook. Two ends of the torsion spring abut against the second body and the stand respectively.

Description

foldable electronic device

The present invention relates to a foldable electronic device, and more particularly, to a foldable electronic device with dual display screens.

Notebook computers have become an indispensable tool for modern people due to their multi-tasking, high computing performance, and easy portability. Generally speaking, a notebook computer is only configured with a single display screen. Due to the increasing demands for processing a large amount of information, viewing multiple work windows or opening multiple applications, the configuration of a single display screen is gradually insufficient. Therefore, a dual-display notebook computer is proposed to provide two display screens for viewing multiple work windows or opening multiple application programs. However, the existing dual-display notebook computers have the disadvantage of being inconvenient in operation.

The present invention provides a foldable electronic device with excellent operational convenience.

The present invention provides a foldable electronic device, which includes a first body, a second body, a third body, at least one hinge structure, a bracket, at least one switching mechanism and at least one torsion spring. The third body is pivotally connected to one end of the second body. The hinge structure includes a rotating shaft and a positioning member. The other end of the second body is pivotally connected to the first body through the rotating shaft. The positioning piece is fixedly connected to the rotating shaft. The positioning member is located in the second body and has a positioning hole. The bracket is rotatably connected to the second body and includes at least one hook. The switching mechanism includes a first sliding piece and a second sliding piece. The first sliding piece and the second sliding piece are slidably arranged in the second body. The first sliding member includes a plug located in the second body, and the plug is inserted into the positioning hole of the positioning member to stop the second body from rotating relative to the first body. The second slider is located on the moving path of the first slider. The hook is inserted into the second body, and the second sliding member is engaged with the hook to prevent the bracket from rotating relative to the second body. Two ends of the torsion spring abut against the second body and the bracket respectively. When the first sliding member slides relative to the second body and pushes the second sliding member, the latch moves out of the positioning hole of the positioning member, so that the second body can rotate relative to the first body, and at the same time, the second sliding member is separated from the hook , so that the torsion spring drives the bracket to rotate relative to the second body.

In an embodiment of the present invention, the number of the above-mentioned at least one hinge structure and at least one switching mechanism is both two. The foldable electronic device further includes a connecting rod and a compression spring. The connecting rod is pivotally connected to the second body. The two first sliding members of the two switching mechanisms are respectively coupled to two ends of the connecting rod. Each first sliding piece is located between the connecting rod and the corresponding positioning piece. Each positioning member is located between the corresponding first sliding member and the rotating shaft. A compression spring is located within the second body. The compression spring is located between the two first sliding members of the two switching mechanisms, and both ends of the compression spring contact the two first sliding members of the two switching mechanisms respectively.

In an embodiment of the present invention, the above-mentioned first sliding member includes a first sliding body slidably disposed in the second body and a pushing portion protruding from the first sliding body. The latch protrudes from the end surface of the first sliding body facing the positioning member. The second sliding member includes a second sliding body slidably disposed in the second body, a driven portion protruding from the second sliding body, and an engaging portion protruding from the second sliding body and corresponding to the hook. The driven part is located on the moving path of the pushing part.

In an embodiment of the present invention, the above-mentioned foldable electronic device further includes a switch button. The switch button is connected to the first sliding member, and the switch button is exposed outside the second body.

In an embodiment of the present invention, the above-mentioned switching mechanism further includes a compression spring. A compression spring is located within the second body. Both ends of the compression spring abut against the second body and the second sliding member respectively, and the second sliding member is located between the hook and the compression spring.

In an embodiment of the present invention, the above-mentioned first sliding member includes a sliding body slidably disposed in the second body and a locking groove recessed in the sliding body. The switching mechanism further includes a locking piece and a compression spring. The locking piece is slidably disposed in the second body. The locking piece has a locking portion corresponding to the locking groove. A compression spring is located within the second body. Both ends of the compression spring abut against the second body and the locking piece respectively. The locking member is located between the first sliding member and the compression spring.

In an embodiment of the present invention, the above-mentioned locking member has a driven slope. The switching mechanism further includes a third sliding member. The third sliding member is slidably disposed in the second body. The third sliding member has a pushing slope corresponding to the driven slope.

In an embodiment of the present invention, the above-mentioned hook has a push-up slope. The second sliding member has a driven slope corresponding to the pushing slope.

In an embodiment of the present invention, the above-mentioned positioning member further has a positioning groove. The switching mechanism further includes a third sliding member and a compression spring. The third sliding member is slidably disposed in the second body. The third sliding member includes another latch located in the second body and corresponding to the limiting groove. The hook is engaged with the third sliding piece. The other pin is far away from the positioning member. A compression spring is located within the second body. Both ends of the compression spring abut against the second body and the locking piece respectively. The locking member is located between the first sliding member and the compression spring.

In an embodiment of the present invention, the above-mentioned hook has a push-up slope. The third sliding member has a driven slope corresponding to the pushing slope.

Based on the above, in the foldable electronic device of the present invention, the latch is inserted into the positioning hole of the positioning member to stop the second body from rotating relative to the first body, and the second sliding member is slidably disposed in the second body and located in the first body. On the moving path of the sliding member, the hook is inserted into the second body, and the second sliding member is engaged with the hook to prevent the bracket from rotating relative to the second body, and the two ends of the torsion spring abut against the second body and the bracket respectively. When the first sliding member slides relative to the second body and pushes the second sliding member, the latch moves out of the positioning hole of the positioning member, so that the second body can rotate relative to the first body, and at the same time, the second sliding member is separated from the hook , so that the torsion spring drives the bracket to rotate relative to the second body, so as to improve the convenience of the user when operating the foldable electronic device.

In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following embodiments are given and described in detail with the accompanying drawings as follows.

FIG. 1A is a schematic perspective view of a foldable electronic device according to an embodiment of the present invention. FIG. 1B is a schematic perspective view of the foldable electronic device of FIG. 1A in another state. FIG. 2A is a schematic top view of a partial component of the foldable electronic device of FIG. 1A . Please refer to FIG. 1A , FIG. 1B and FIG. 2A , the foldable electronic device 100 includes a first body 110 , a second body 120 , a third body 130 , a hinge structure 140 , a hinge structure 150 , a bracket 160 , a A switching mechanism 170 , a switching mechanism 180 and two torsion springs 190 .

Specifically, the second body 120 includes a first end 121 and a second end 122 opposite to the first end 121 . The first body 110 is pivotally connected to the first end 121 of the second body 120 through the hinge structure 140 and the hinge structure 150 , and the third body 130 is pivotally connected to the second end 122 of the second body 120 . The bracket 160 is rotatably connected to the second body 120 and includes two hooks 161 inserted into the second body 120 .

It should be noted that, in the foldable electronic device 100 of the present embodiment, the number of hinge structures, hooks, switching mechanisms and torsion springs are all taken as an example, and are set to be symmetrical on both sides, but the present invention is not limited to this. . In other embodiments, the number of the hinge structure, the hook, the switching mechanism and the torsion spring may be single.

For the sake of brevity, the following describes the details of the hinge structure 140 , the hook 161 and the switching mechanism 170 on the right side of the foldable electronic device 100 , and the hinge structure 150 , the hook 161 on the left side of the foldable electronic device 100 And the operating principle of the switching mechanism 180 is the same as that of the hinge structure 140 , the hook 161 and the switching mechanism 170 , so it is not repeated here.

The hinge structure 140 includes a rotating shaft 141 , a positioning member 142 , a first bracket 143 and a second bracket 144 . The first bracket 143 is located in the second body 120 and connected to the second body 120 . The rotating shaft 141 is pivotally connected to the first bracket 143 , the positioning member 142 and the second bracket 144 are fixedly connected to the rotating shaft 141 to rotate with the rotating shaft 141 , and the second bracket 144 is located outside the second body 120 and inside the first body 110 . In other words, the first end 121 of the second body 120 is pivotally connected to the first body 110 through the rotating shaft 141 .

2B and 2C are partially enlarged schematic views of the foldable electronic device of FIG. 2A . FIG. 2D is a schematic partial front view of the foldable electronic device of FIG. 2A . Referring to FIGS. 2A , 2B, 2C and 2D, the switching mechanism 170 includes a first sliding member 171 , a second sliding member 172 , a third sliding member 173 , a locking member 174 , and a first compression spring 175 , a second compression spring 176 , a third compression spring 177 and a fourth compression spring 178 .

The first sliding member 171 , the second sliding member 172 , the third sliding member 173 and the locking member 174 are slidably disposed in the second body 120 . The first compression spring 175 , the second compression spring 176 , the third compression spring 177 and the fourth compression spring 178 are located in the second body 120 . Both ends of the first compression spring 175 abut against the switching mechanism 170 and the switching mechanism 180 respectively. Two ends of the second compression spring 176 abut against the second body 120 and the second sliding member 172 respectively. Two ends of the third compression spring 177 abut against the second body 120 and the locking member 174 respectively. Two ends of the fourth compression spring 178 abut against the second body 120 and the third sliding member 173 respectively.

3A to 3H illustrate a process of converting the foldable electronic device of FIG. 1A to the state of FIG. 1B . 2A, 2B, 2C and 3A, the positioning member 142 has a positioning hole 142a and a limiting groove 142b. The first sliding member 171 includes a first sliding body 171a slidably disposed in the second body 120 , a pushing portion 171b protruding from the first sliding body 171a and a first plug 171c , and a first sliding body 171c recessed in the first sliding body 171a . A locking groove 171d of the main body 171a. The first plug 171c is located in the second body 120, protrudes from the first sliding body 171a and extends out from the end surface facing the positioning member 142, and the first plug 171c is inserted into the positioning hole 142a of the positioning member 142 to stop The positioning member 142 rotates relative to the second body 120 , thereby preventing the second body 120 from rotating relative to the first body 110 .

The second sliding member 172 includes a second sliding body 172a slidably disposed in the second body 120, a driven portion 172b and an engaging portion 172d protruding from the second sliding body 172a, and a second sliding body 172d located in the second sliding body 172a of the first driven slope 172c. The follower portion 172b protrudes from the second sliding body 172a and extends from the end surface of the first sliding body 171a facing the first sliding member 171 . The driven portion 172b is located on the moving path of the pushing portion 171b of the first sliding member 171 to be pushed by the pushing portion 171b of the first sliding member 171 . The second sliding member 172 is driven to slide relative to the second body 120 through the driven portion 172b. The engaging portion 172 d of the second sliding member 172 is engaged with the hook 161 of the bracket 160 to prevent the bracket 160 from rotating relative to the second body 120 . Two ends of the torsion spring 190 abut against the second body 120 and the bracket 160 respectively, so as to drive the bracket 160 to rotate relative to the second body 120 .

The third sliding member 173 includes a third sliding body 173a slidably disposed in the second body 120, a second pin 173b protruding from the third sliding body 173a, and a second driven member located in the third sliding body 173a The inclined surface 173c and a third ejecting inclined surface 173d. The second plug 173b protrudes from the third sliding body 173a and extends from the end surface facing the positioning member 142, and the second plug 173b is used to correspond to and be inserted into the limiting groove 142b of the positioning member 142 to limit the positioning member 142 relative to the first positioning member 142. The rotation angle of the two bodies 120 .

The locking member 174 has a locking portion 174a corresponding to the locking groove 171d and a third driven slope 174b corresponding to the third pushing slope 173d. The locking portion 174a is staggered in the locking groove 171d and abuts against the first sliding body 171a of the first sliding member 171, and is used to be inserted into the locking groove 171d of the first sliding member 171 to stop the first sliding member 171 from opposing the second body 120 swipes. The third pushing slope 173d is used to push the locking member 174 through the third driven slope 174b, so that the locking member 174 slides relative to the second body 120 .

1B , 2A , 2C and 3A, the hook 161 has a first push slope 161a corresponding to the first driven slope 172c and a second push slope 161b corresponding to the second driven slope 173c. The first pushing slope 161 a is used to push the second sliding member 172 through the first driven slope 172 c to make the second sliding member 172 slide relative to the second body 120 . The second pushing slope 161b is used to push the third sliding member 173 through the second driven slope 173c, so as to move the second pin 173b away from the positioning member 142.

Please refer to FIG. 2A , FIG. 2C , FIG. 2D and FIG. 3A , the foldable electronic device 100 further includes a switch button 191 and a link 192 . The connecting rod 192 is rotatably disposed in the second body 120 . The connecting rod 192 is pivotally connected to the second body 120 at the center so as to rotate relative to the second body 120 . The switching mechanism 180 includes a first sliding member 181 . The first sliding member 181 is slidably disposed in the second body 120 . The first compression spring 175 is located between the first sliding body 171 a of the first sliding member 171 and a first sliding body 181 a of the first sliding member 181 , and both ends of the first compression spring 175 abut against the first sliding body 171 a respectively with the first sliding body 181a. The switch button 191 is disposed on the first sliding body 181 a and is exposed outside the second body 120 . The first sliding body 171a and the first sliding body 181a are respectively coupled to two ends of the connecting rod 192 . In other words, the moving directions of the first sliding member 171 and the first sliding member 181 are opposite to each other, and the actuation directions of the switching mechanism 170 and the switching mechanism 180 are opposite to each other.

The first sliding member 171 is located between the connecting rod 192 and the corresponding positioning member 142 . The positioning member 142 is located between the corresponding first sliding member 171 and the rotating shaft 141 .

Two ends of the second compression spring 176 abut against the second body 120 and the second sliding body 172 a of the second sliding member 172 respectively, and the second sliding member 172 is located between the hook 161 and the second compression spring 176 .

Both ends of the third compression spring 177 abut against the second body 120 and the locking member 174 respectively, and the locking portion 174 a is located between the first sliding body 171 a of the first sliding member 171 and the third compression spring 177 .

Two ends of the fourth compression spring 178 abut against the second body 120 and the third sliding body 173 a of the third sliding member 173 respectively, and the third sliding member 173 is located between the fourth compression spring 178 and the positioning member 142 .

The structure of the foldable electronic device 100 has been described above, and the following describes the usage process of the foldable electronic device 100 in detail.

1A , FIG. 2A , FIG. 2C and FIG. 3A , when the foldable electronic device 100 is in the state shown in FIG. 1A , the bracket 160 is relatively folded on the back of the second body 120 , and the hook 161 is inserted into the second body 120 , the second body 120 is parallel to the first body 110 , and the engaging portion 172d of the second sliding member 172 is engaged with the hook 161 to prevent the bracket 160 from rotating relative to the second body 120 . The first pin 171c of the first sliding member 171 is inserted into the positioning hole 142a of the positioning member 142 to stop the second body 120 from rotating relative to the first body 110 . The hook 161 is engaged with the third sliding member 173 so that the second plug 173 b of the third sliding member 173 is away from the limiting groove 142 b of the positioning member 142 . The locking portion 174 a of the locking member 174 is located outside the locking groove 171 d of the first sliding member 171 and abuts against the first sliding body 171 a of the first sliding member 171 .

Please refer to FIG. 2A , FIG. 2C and FIG. 2D , when the user exerts force to slide the switch button 191 to the right, the switch button 191 drives the first sliding member 181 to slide to the right. A sliding member 171 slides to the left. 3A to 3D, the first sliding member 171 slides to the left relative to the second body 120, and the first latch 171c moves out of the positioning hole 142a of the positioning member 142, so that the second body 120 can be relative to the first The body 110 rotates, and at the same time, the second sliding member 172 compresses the fourth compression spring 178 and the engaging portion 172d is separated from the hook 161, so that the torsion spring 190 drives the bracket 160 to rotate relative to the second body 120, as shown in FIG. 1B , the bracket 160 automatically lifts the second body 120 and the third body 130 , thereby improving the convenience for the user to operate the foldable electronic device 100 .

During this process, the locking portion 174a of the locking member 174 is aligned with the locking groove 171d of the first sliding member 171, and the third compression spring 177 forces the locking portion 174a to be inserted into the locking groove 171d, so as to stop the first sliding member 171 relative to the locking groove 171d. Movement of the second body 120 . In the state shown in FIG. 3D , the hook 161 has been separated from the third sliding member 173 , so that the third sliding member 173 can slide relative to the second body 120 .

Referring to FIGS. 1A , 1B, 3D, 3E and 3F, in the process of sequentially converting the foldable electronic device 100 from FIG. 3D to FIG. 3F , the second bracket 144 , the rotating shaft 141 and the positioning member 142 are relative to the first The two bodies 120 rotate, and the limiting groove 142 b of the positioning member 142 is aligned with the second latch 173 b of the third sliding member 173 . Next, the fourth compression spring 178 drives the third sliding member 173 to slide relative to the second body 120 , so that the second plug 173b is inserted into the limiting groove 142b of the positioning member 142 , thereby limiting the rotation angle of the second body 120 relative to the first body 110 , so as to facilitate the user to move the foldable electronic device 100 .

4A to 4B illustrate a process of converting the foldable electronic device of FIG. 1B to the state of FIG. 1A . Referring to FIGS. 1A , 1B, 2D, 4A and 4B, in the state shown in FIG. 1B , when the user applies force to retract the bracket 160 from the back of the second body 120 , the first position of the hook 161 A pushing slope 161a drives the second sliding member 172 to slide through the first driven slope 172c, and compresses the second compression spring 176, and after the hook 161 is inserted into the second body 120, the engaging portion of the second sliding member 172 172d is engaged with the hook 161 to stop the bracket 160 from rotating relative to the second body 120 . In addition, the second pushing slope 161b of the hook 161 drives the third sliding member 173 to move away from the positioning member 142 through the second driven slope 173c and the fourth compression spring 178 is compressed, so that the second latch 173b moves out of the positioning member 142 The limiting groove 142b, and the third pushing slope 173d of the third sliding member 173 drives the locking member 174 to move away from the first sliding member 171 through the third driven slope 174b and the third compression spring 177 is compressed, so that the locking member 174 The locking portion 174a of the first sliding member 171 is moved out of the locking groove 171d. Finally, when the second bracket 144 , the rotating shaft 141 and the positioning member 142 rotate relative to the second body 120 , and the positioning hole 142 a of the positioning member 142 is aligned with the first latch 171 c of the first sliding member 171 , the first compression spring 175 The first sliding member 171 is driven to move relative to the second body 120 , so that the first latch 171c is inserted into the positioning hole 142a of the positioning member 142 to stop the second body 120 from rotating relative to the first body 110 .

To sum up, in the foldable electronic device of the present invention, the latch is inserted into the positioning hole of the positioning member to stop the second body from rotating relative to the first body, and the second sliding member is slidably disposed in the second body and located in the second body. On the moving path of the first sliding member, the hook is inserted into the second body, and the second sliding member is engaged with the hook to stop the bracket from rotating relative to the second body, and the two ends of the torsion spring abut against the second body and the bracket respectively . When the first sliding member slides relative to the second body and pushes the second sliding member, the latch moves out of the positioning hole of the positioning member, so that the second body can rotate relative to the first body, and at the same time, the second sliding member is separated from the hook , so that the torsion spring drives the bracket to rotate relative to the second body, so as to improve the convenience of the user when operating the foldable electronic device.

Although the present invention has been disclosed above by the embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, The protection scope of the present invention shall be determined by the scope of the appended patent application.

100: Foldable Electronic Device 110: The first body 120: Second body 121: First End 122: Second End 130: The third body 140, 150: Hinged structure 141: Spindle 142: Positioning pieces 142a: Positioning hole 142b: Limit slot 143: The first bracket 144: Second bracket 160: bracket 161: hook 161a: 1st push top slope 161b: Second push top slope 170, 180: Switching mechanism 171: First Slider 171a: first sliding body 171b: Push Division 171c: First latch 171d: Locking slot 172:Second Slider 172a: Second sliding body 172b: Follower 172c: First driven ramp 172d: Engagement part 173: Third Slider 173a: Third sliding body 173b: Second latch 173c second driven ramp 173d: 3rd push top slope 174: Locks 174a: Locking part 174b: Third driven ramp 175: 1st Compression Spring 176: Second compression spring 177: Third compression spring 178: Fourth compression spring 181: First Slider 181a: first sliding body 190: Torsion spring 191:Toggle button 192: connecting rod

FIG. 1A is a schematic perspective view of a foldable electronic device according to an embodiment of the present invention. FIG. 1B is a schematic perspective view of the foldable electronic device of FIG. 1A in another state. FIG. 2A is a schematic top view of a partial component of the foldable electronic device of FIG. 1A . 2B and 2C are partially enlarged schematic views of the foldable electronic device of FIG. 2A . FIG. 2D is a schematic partial front view of the foldable electronic device of FIG. 2A . 3A to 3F illustrate a process of converting the foldable electronic device of FIG. 1A to the state of FIG. 1B . 4A to 4B illustrate a process of converting the foldable electronic device of FIG. 1B to the state of FIG. 1A .

100: Foldable Electronic Device

120: Second body

121: First End

122: Second End

140, 150: Hinged structure

141: Spindle

142: Positioning pieces

143: The first bracket

144: Second bracket

160: bracket

161: hook

170, 180: Switching mechanism

171: First Slider

171a: first sliding body

171b: Push Division

171c: First latch

171d: Locking slot

172:Second Slider

172a: Second sliding body

172b: Follower

173: Third Slider

173a: Third sliding body

173b: Second latch

174: Locks

174a: Locking part

176: Second compression spring

177: Third compression spring

178: Fourth compression spring

181: First Slider

181a: first sliding body

190: Torsion spring

191:Toggle button

Claims (10)

A foldable electronic device, comprising: a first body; a second body; a third body, pivotally connected to one end of the second body; At least one hinge structure, including: a rotating shaft, wherein the other end of the second body is pivotally connected to the first body through the rotating shaft; and a positioning piece fixed on the rotating shaft, wherein the positioning piece is located in the second body and has a positioning hole; a bracket, rotatably connected to the second body, and comprising at least one hook; At least one switching mechanism, including: A first sliding member is slidably disposed in the second body, wherein the first sliding member includes a plug located in the second body, and the plug is inserted into the positioning hole of the positioning member to stop the The second body rotates relative to the first body; and A second sliding member is slidably disposed in the second body and located on the moving path of the first sliding member, wherein the hook is inserted into the second body, and the second sliding member is engaged with the card a hook to stop the bracket from rotating relative to the second body; and at least one torsion spring, wherein two ends of the torsion spring abut the second body and the bracket respectively, When the first sliding member slides relative to the second body and pushes the second sliding member, the latch moves out of the positioning hole of the positioning member, so that the second body can rotate relative to the first body, and at the same time, The second sliding member is separated from the hook, so that the torsion spring drives the bracket to rotate relative to the second body. The foldable electronic device according to claim 1, wherein the number of the at least one hinge structure and the at least one switching mechanism is both two, and the foldable electronic device further comprises: A connecting rod is pivotally connected to the second body, wherein the two first sliding members of the two switching mechanisms are respectively coupled to two ends of the connecting rod, and each first sliding member is located between the connecting rod and the corresponding positioning member between, and each positioning member is located between the corresponding first sliding member and the rotating shaft; and A compression spring is located in the second body, the compression spring is located between the two first sliding members of the two switching mechanisms, and both ends of the compression spring abut the two first sliding members of the two switching mechanisms respectively . The foldable electronic device according to claim 1, wherein the first sliding member comprises a first sliding body slidably disposed in the second body and a pushing portion protruding from the first sliding body, and the The plug protrudes from the end surface of the first sliding body facing the positioning member, and the second sliding member includes a second sliding body slidably arranged in the second body, and a driven portion protruding from the second sliding body and an engaging portion protruding from the second sliding body and corresponding to the hook, and the driven portion is located on the moving path of the pushing portion. The foldable electronic device according to claim 1, further comprising: A switch button is connected to the first sliding member, and the switch button is exposed outside the second body. The foldable electronic device as claimed in claim 1, wherein the switching mechanism further comprises: A compression spring is located in the second body, two ends of the compression spring abut against the second body and the second sliding member respectively, and the second sliding member is located between the hook and the compression spring. The foldable electronic device of claim 1, wherein the first sliding member comprises a sliding body slidably disposed in the second body and a locking groove recessed in the sliding body, and the switching mechanism further comprises : a locking member slidably disposed in the second body, wherein the locking member has a locking portion corresponding to the locking groove; and A compression spring is located in the second body, two ends of the compression spring abut against the second body and the locking piece respectively, and the locking piece is located between the first sliding piece and the compression spring. The foldable electronic device according to claim 6, wherein the locking member has a driven slope, and the switching mechanism further comprises: A third sliding member is slidably disposed in the second body, and the third sliding member has a pushing slope corresponding to the driven slope. The foldable electronic device of claim 1, wherein the hook has a push-up slope, and the second sliding member has a driven slope corresponding to the push-up slope. The foldable electronic device according to claim 1, wherein the positioning member further has a limiting groove, and the switching mechanism further comprises: A third sliding member is slidably disposed in the second body, wherein the third sliding member includes a sliding body slidably disposed in the second body, protruding from the sliding body and corresponding to the limiting groove an other plug, the hook is engaged with the third sliding member, and the other plug is away from the positioning member; and A compression spring is located in the second body, two ends of the compression spring abut the second body and the sliding body of the third sliding member respectively, and the third sliding member is located between the compression spring and the positioning member between. The foldable electronic device of claim 9, wherein the hook has a pushing slope, and the third sliding member has a driven slope corresponding to the pushing slope.

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