TW201305421A - Locking device for tablet electronic device - Google Patents

Abstract

The present invention relates to a locking device for tablet electronic device, which comprises a main base, two abutting members, two abutting springs, two fastening members, at least two fixing frames, and a lock. The present invention can be mounted on the tablet electronic device by the fixing frame and locks to secure the present invention on a pillar by the cord of the lock. The lock can not be separated from the main base under a locked condition, and makes the abutting members, the fastening members, and the fixing frame are not movable linked by the lock, therefore the base is prevented from separating from the tablet electronic device to achieve the purposes of securing the tablet electronic device in a specific site and also overcoming the known problem that the tablet electronic device is easily stolen.

Description

Flat electronic device locking device

The present invention relates to a device for a tablet type electronic device, and more particularly to a device for locking a tablet type electronic device.

Flat-panel electronic devices refer to flat-panel computers. After the small notebook computer (small notebook) in the current computer industry, another new type of computer product is a small-sized, touch-based screen. The personal computer that operates the device is currently used as an e-book and Internet access function, and is now the most popular portable 3C product.

The tablet's products are positioned as portable computers that can be easily carried, and users can carry them with them at any time, such as cafes, libraries, etc., but if users need to leave temporarily, It is also inconvenient to take the tablet away. For example, when going to the toilet, the tablet can easily become the target of theft.

Therefore, the tablet electronic device that is easily stolen needs to be improved.

In view of the shortcomings and disadvantages of the prior art tablet electronic device being easily stolen, the present invention provides a tablet electronic device locking device that can lock a tablet electronic device to a specific position.

In order to achieve the above object, the technical means adopted by the present invention is to design a locking device for a flat-panel electronic device, comprising: a main seat having a shaft member, the shaft member being a cylinder and axially recessed The utility model has a screw hole, the shaft member has a through hole formed in a radial direction, and an abutting passage is formed on each of the two sides of the shaft member, and the abutting passage communicates with the screw hole; the two abutting members are respectively disposed on the main seat Abutting against the two openings of the passage, the end of the abutting member facing away from the abutting passage is toothed; and the two elastic members respectively move the abutting members toward the back against the passage; the two engaging members, The two fastening members are respectively disposed on opposite sides of the main seat, and each of the fastening members has a rack portion along the moving direction, and the rack portions of the two fastening members respectively and the toothed end portions of the two abutting members At least two fixing frames are respectively disposed on the two fastening members, and the end portion is a hook; a lock is screwed and fixed to the main seat, and has a body and a lock rope; the body has a screw a column, the screw column has an external thread, and the screw column is screwed and fixed to the shaft of the main seat Aperture; lock around the rope end into a ferrule.

The locking device of the tablet electronic device further has a turntable rotatably disposed on the shaft member of the main seat, and located in a direction away from the main seat, the turntable is formed with a circular hole, the lock After passing through the circular hole, the screw is fixed to the main seat; the turntable has a gear, a part of the rack portion of the two engaging members is engaged with the two abutting members, and the remaining portion is engaged with the gear of the engaging turntable.

The locking device of the tablet electronic device, wherein the main seat comprises a base and an upper cover, the base is rectangular, and the left and right directions are long sides, and the top surface of the base is concavely formed with one groove, and the aforementioned shaft member is formed by protrusion. On the bottom surface of the square groove, the front and rear sides of the shaft member are respectively radially formed with an abutting groove, and the abutting passage penetrates through the two abutting grooves.

The locking device of the tablet type electronic device, wherein the turntable has a gear, an abutting disk and a gripping portion from bottom to top, and the aforementioned circular hole penetrates the turntable up and down; the bottom of the gear is sleeved with the shaft of the base, And located above the abutting member and the elastic member; the abutting disk is the largest outer diameter of the turntable; the outer wall surface of the grip rotating portion is formed with a grain.

The locking device of the tablet type electronic device, wherein the two fastening components are respectively disposed on the left and right sides of the base on the left and right sides; the foregoing rack portion is a long strip type, and the two fastening parts are coupled with the rack The front and rear wall surfaces of the square groove of the two fastening parts are respectively clamped on the front and rear wall surfaces of the square groove of the two fastening parts, and the lower half of the rack part of the two fastening parts are respectively abutted against the two sides. The pieces are engaged.

The locking device of the tablet type electronic device, wherein the two abutting members are respectively located in the two abutting grooves of the base, and have a through portion, an abutting portion and a tooth portion from the inside to the outside; The piercing portion is disposed in the abutting passage of the base; the cross-sectional area of the abutting portion is larger than the penetrating portion; the tooth portion is outwardly formed into a tooth shape.

The locking device of the tablet type electronic device has four fixing frames, two or two sets, each of which is matched with a fastening component, and two fixing frames of each group are respectively pivoted before the front and the rear of the fastening component. a corner; each of the fixing frames can be sequentially divided into a first rod, a second rod, a third rod and a hook from the inside to the outside, the first rod can be pivotally disposed on the fastening member in a lateral direction, and the second rod can be rotated up and down The pivoting is set on the first rod, and the third rod is pivotally disposed on the second rod, and the hook is pivotally disposed on the third rod.

The locking device of the flat-panel electronic device, wherein the turntable further has a clamping portion located between the abutting disk and the gripping portion, wherein the outer diameter of the clamping portion is smaller than the outer diameter of the gripping portion; further having a The support frame, the support frame is fixedly fixed to the turntable, and comprises a clamping member, a connecting member and a bottom member; the clamping member is disposed with the clamping portion of the rotating wheel; the connecting member can pivotally and vertically clamp the connecting member, and the connecting member is connected The through piece is formed with a through hole; the bottom piece can pivotally connect the connecting member up and down, and can adjust the position of the connecting member to be pivoted, the bottom piece is formed with a through hole, and one side end portion of the bottom piece is bent into a hook shape.

The locking device of the flat type electronic device, wherein the bottom surface of the square groove of the base is formed by two spring protrusions respectively located on the left and right sides of the shaft member; each of the fastening members protrudes inwardly along the moving direction to form a spring. The column further has two rack springs, one end of each of the two rack springs is respectively sleeved with two spring clips, and the other ends respectively abut against the two spring bumps of the base.

The locking device of the tablet electronic device, wherein an abutting surface is obliquely formed on the abutting member toward the end of the abutting passage; the end of the screwing column of the locking device has a guiding angle.

The locking device of the tablet electronic device, wherein the elastic element is an abutting spring.

The invention has the advantages that, when the device is installed, the flat electronic device is first placed between the respective fixing frames, and then the two fastening members are pushed inwardly, so that the fixing frames are moved inwardly and by the fixing frames. The hook device is provided with a fixed flat type electronic device, and the invention is fixed on the flat type electronic device; then, when the lock is to be locked, the body and the lock rope of the lock are wrapped around the column and the like, and the body is passed through the end of the lock rope. The ferrule is then screwed and fixed to the screw hole of the main seat to complete the locking; the lock can not be separated from the main seat in the locked state, and the screwing column of the lock tops the two abutting members, abutting The components are closely attached to the two fastening components, so that the fastening components cannot be moved, and the main seat cannot be separated from the tablet electronic device. In the invention, the lock can not be separated from the main seat by the locking state, and the main seat can not be separated from the flat electronic device, so as to achieve the purpose of locking the flat electronic device to a specific position.

An advantage of the present invention is that by providing a turntable on the shaft member of the main seat and engaging the turntable with the engaging member, the position of the fixed frame can be adjusted by rotating the turntable to move the engaging member.

The invention has the advantages that the rack spring is arranged between the spring protrusion of the base and the fastening component, so that the fastening component can be moved relatively easily, thereby making the user less labor-saving when moving the fastening component.

The invention has the advantages that, by fixing the fixing frame to the fastening component, and the three rod bodies on the fixing frame are pivotally connected to each other, the hook of the fixing frame can be bent to various angles, thereby clamping various shapes. Size tablet electronic device.

The invention has the advantages that the support frame can be used as a "book shelf", and the tilt angle of the flat-panel electronic device can be adjusted, so that the flat-panel electronic device can conform to the user's line of sight; and when the support frame is not used, the connection can also be connected. The piece and the bottom piece are laid flat, which does not interfere with the combination of the lock and the base.

The invention has the advantages that the abutting surface is formed obliquely by the inner end of the abutting member, and the end of the screwing column of the locking device has a guiding angle, so that when the screwing column is inserted into the screw hole of the shaft member, if the abutting member The inner end is located on the path of the screwing column, and is pushed against the oblique abutting surface of the abutting member by the guiding angle of the screwing column, so that the screwing column can push the abutting member and smoothly move to the positioning.

The technical means adopted by the present invention for achieving the intended purpose of the invention are further described below in conjunction with the preferred embodiments of the invention.

Referring to FIG. 1 and FIG. 2 , the locking device of the tablet electronic device of the present invention comprises a main seat, two abutting members 20 , two abutting springs 31 , a turntable 40 , two fastening members 50 , and two teeth . The strip spring 32, the four fixing frame 60, a supporting frame 80 and a lock 90; wherein the main seat further comprises a base 10 and an upper cover 70.

Referring to FIG. 2 to FIG. 5, the base 10 is rectangular and has a long side in the left and right direction. One groove is formed on the top surface of the base 10, and a shaft member 11 is protruded from the bottom surface of the square groove. The shaft member 11 is formed. A cylindrical hole is formed, and a screw hole 111 is formed in the center of the top surface of the top surface. The front and rear sides of the shaft member 11 are respectively radially formed with an abutting groove 112. The shaft member 11 is formed with an abutting passage 113. The abutting channel 113 extends through the two abutting grooves 112, and the abutting channel 113 communicates with the screw hole 111. The bottom surface of the square groove of the base 10 is formed with two spring projections 12 respectively located on the left and right sides of the shaft member 11.

The two abutting members 20 are respectively located in the abutting grooves 112 of the base 10, and have a through portion 21, an abutting portion 22 and a tooth portion 23 from the inside to the outside; the wearing portion 21 is worn. It is disposed in the abutting passage 113 of the base 10, and an end portion is obliquely formed with an abutting surface 211; the abutting portion 22 has a larger cross-sectional area than the through portion 21; the tooth portion 23 is outwardly formed into a tooth shape.

The two abutting springs 31 respectively enclose the two abutting members 20 and are interposed between the abutting groove 112 of the shaft member 11 and the abutting portion 22 of the abutting member 20.

The turntable 40 is sleeved on the shaft member 11 of the base 10 and located above the abutting member 20. The turntable 40 has a gear 41, an abutting plate 42, an clamping portion 43 and a gripping wheel from bottom to top. a portion 44, and the turntable 40 is formed through a circular hole 45; the bottom surface of the gear 41 is sleeved with the shaft member 11 of the base 10, and is located above the abutting member 20 and the abutting spring 31; the abutting disk 42 is the outer diameter of the turntable 40 Wherein, the outer diameter of the grip portion 44 is larger than the clamping portion 43, and the outer wall surface is formed with a pattern to facilitate the user to hold and rotate.

The two fastening members 50 are respectively disposed on the left and right sides of the base 10, and each of the fastening members 50 protrudes inwardly along the moving direction to form a rack portion 51 and a spring post 52; the rack portion 51 is a long strip type, and the inner surface is formed with a rack, and the two engaging members 50 are respectively attached to the front and rear wall surfaces of the square groove of the base 10, and the upper half of the rack portion 51 of the two engaging members 50. The gears 41 of the turntable 40 are interposed and engaged with each other, and the lower half of the rack portion 51 of the two engaging members 50 are respectively engaged with the tooth portions 23 of the two abutting members 20.

The two rack springs 32 are mounted on the base 10, and the spring ends 52 of the two fastening members 50 are respectively disposed on one end of the two rack springs 32, and the other ends are respectively abutted against the two spring projections 12 of the base 10.

Referring to FIG. 1 and FIG. 7 , the foregoing four fixing brackets 60 are arranged in groups of two, each of which is matched with a fastening component 50 , and two fixing brackets 60 of each group are respectively pivoted on the front and rear ends of the fastening component 50 . The fixing frame 60 can be divided into a first rod 61, a second rod 62, a third rod 63 and a hook 64 from the inside to the outside. The first rod 61 can be pivotally disposed on the fastening member 50 in a lateral direction. The two rods 62 are pivotally mounted on the first rod 61. The third rod 63 is pivotally mounted on the second rod 62. The hook 64 is pivotally disposed on the third rod 63.

Referring to FIG. 1 , FIG. 2 and FIG. 6 , the upper cover 70 covers the base 10 and is screwed and fixed to the upper cover 70 by four screws from bottom to top. The upper cover 70 is formed with a through hole 71 through the center. The periphery of the perforation 71 abuts against the abutment disk 42 of the turntable 40.

The support frame 80 is fixedly mounted on the turntable 40, and includes an clamping member 81, a connecting member 82 and a bottom member 83. The clamping member 81 is disposed with the clamping portion 43 of the turntable 40. The connecting member 82 can be rotated up and down. The grounding member is provided with a clamping member 81. The connecting member 82 is formed with a through hole 821. The bottom member 83 can pivotally connect the connecting member 82 and adjust the position of the connecting member 82. The bottom member 83 is formed with a through hole 831. One side end portion of the bottom surface member 83 is bent into a hook shape.

The lock 90 is screwed and fixed to the base 10, and has a body 91 and a lock rope 92. The body 91 has a screw column 911. The screw column 911 has an external thread, and the lower end has a lead angle 912. The column 911 penetrates the circular hole 45 of the turntable 40 and is screwed to the screw hole 111 of the shaft member 11 of the base 10. The bottom end of the screwing column 911 is located between the two abutting members 20 in the abutment passage 113; the lock rope 92 The end is surrounded by a circle 921. In the present embodiment, the lock 90 is the invention of the new patent case of the "Cable Lock" of the Chinese Bulletin No. M335552. The body 91 is the press lock of the patent, and the lock rope 92 is the connecting cable of the patent.

Referring to FIG. 1 , FIG. 4 and FIG. 5 , when the tablet computer is installed, the lock 90 is first not inserted into the turntable 40 and the base 10 , and then the tablet is placed between the four mounts 60 , and then the turntable is rotated. 40, the rack portion 51 of the two fastening members 50 is driven by the gear 41 of the turntable 40, so that the two fastening members 50 are moved inwardly with the fixing brackets 60, and are inwardly pulled by the hooks 64 of the four fixing brackets 60. The four corners of the tablet are sandwiched to fix the present invention to the tablet computer; at this time, since the lock 90 is not inserted into the base 10, the abutment member 20 can move back and forth within the abutment passage 113 of the shaft member 11, so When the turntable 40 drives the engaging member 50 and the rack portion 51 to move, since the tooth peak of the rack portion 51 pushes the abutting member 20 against the abutting passage 113, the abutting member 20 encounters the tooth valley of the rack portion 51. At the same time, the abutting spring 32 pushes the abutting member 20 outward again, so that the moving rack portion 51 causes the abutting member 20 to continuously move back and forth in the abutting passage 113.

Referring to FIG. 1 , FIG. 6 and FIG. 8 , when the body 91 and the lock rope 92 of the lock 90 are first wrapped around a cylinder, the body 91 is passed through the rim 921 at the end of the lock rope 92 . Then, the screw hole 111 fixed to the base 10 is screwed to complete the locking; at this time, since the screwing column 911 of the lock 90 is inserted into the screw hole 111 of the shaft member 11, and the bottom end of the screwing column 911 is outwardly abutted. By abutting the two abutting members 20 in the passage 113, the two abutting members 20 cannot be moved, and the tooth portions 23 of the abutting member 20 are engaged and fixed to the rack portion 51 of the engaging member 50, resulting in the engaging members. 50 cannot move, thereby making the present invention inseparable from the tablet; in addition, the lock 90 cannot be separated from the base 10 in the locked state. Therefore, in the locked state, the lock 90 cannot be separated from the base 10, and the base 10 cannot be separated from the tablet to achieve the purpose of locking the tablet to a specific position.

Referring to FIG. 5 and FIG. 6 , in addition, by abutting the inner end of the abutting member 20 obliquely to form an abutting surface 211, and the lower end portion of the screwing post 911 of the lock 90 has a guiding angle 912, the screwing is performed. When the column 911 is inserted into the screw hole 111 of the shaft member 11, if the inner end of the abutting member 20 is located on the path of the screwing column 911, the guiding angle 912 of the screwing column 911 will push against the abutting surface 211 of the abutting member 20, Further, the abutting member 20 is pushed outward by the oblique abutting surface 211 to prevent the screwing post 911 from abutting against the abutting member 20 and unable to move to the positioning.

Referring to FIG. 3 and FIG. 4 , in addition, by providing a rack spring 32 between the spring protrusion 12 of the base 10 and the fastening component 50 , the fastening component 50 can be moved relatively easily. It is more labor-saving for the user to turn the turntable 40.

Referring to FIG. 7 , in addition, by pivoting the three rods on the fixing frame 60 to each other, the hook 64 of the fixing frame 60 can be bent to various angles, and then various flat plates of different outer dimensions can be sandwiched. Electronic device.

Referring to FIG. 8 and FIG. 9, in addition, the bottom member 83 of the support frame 80 is laid flat on the plane, and then the tablet is tilted, and one side abuts against the hook end of the bottom member 83. It is used as a "book shelf", so that the tablet computer can conform to the user's line of sight; and by changing the pivoting position of the bottom surface member 83 and the connecting member 82, the tilt angle of the tablet computer can be changed, so as to be adjusted to the best according to personal habits. The angle of view; when the support frame 80 is not used, the connecting member 82 and the bottom member 83 can be laid flat, and the through holes 821, 831 of the connecting member 82 and the bottom member 83 are located on the circular hole 45 of the turntable 40 to avoid interference. The combination of the lock 90 and the base 10.

In other embodiments, there may be no turntable. When the two buckles are directly pushed in the unlocked manner, the fixed frame can be moved and the fixed tablet can be clamped; and the fixed frame can be directly pulled out. The holder is separated from the tablet.

In other embodiments, the mounting brackets may be of other numbers, for example, having two fixing brackets, which are respectively connected to the two fastening members, and the opposite sides of the tablet computer are sandwiched to achieve a fixed effect.

In other embodiments, other types of locks may be used, only a stud is inserted, which can be fixed after being inserted into the round hole of the shaft member, and unless the key is used, the stud cannot be pulled out. .

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The present invention is not limited to any simple modifications, equivalent changes and modifications of the above embodiments.

10. . . Base

11. . . Shaft

111. . . Screw hole

112. . . Abut the slot

113. . . Abutment channel

12. . . Spring bump

20. . . Abutment

twenty one. . . Wear department

211. . . Abutment

twenty two. . . Abutment

twenty three. . . Tooth

31. . . Abut spring

32. . . Rack spring

40. . . Turntable

41. . . gear

42. . . Abutment plate

43. . . Clamping part

44. . . Grip

45. . . Round hole

50. . . Fastener

51. . . Rack section

52. . . Spring column

60. . . Fixing frame

61. . . First shot

62. . . Second shot

63. . . Third rod

64. . . Hook

70. . . Upper cover

71. . . perforation

80. . . Support frame

81. . . Clamping piece

82. . . Connector

821. . . perforation

83. . . Bottom piece

831. . . perforation

90. . . Lock

91. . . Ontology

911. . . Screw column

912. . . Leading angle

92. . . Lock rope

921. . . Ferrule

Figure 1 is a perspective view of the present invention.

Figure 2 is an exploded view of a portion of the present invention.

Figure 3 is an exploded view of the detailed components of the present invention.

Figure 4 is a top plan view of some of the components of the present invention.

Figure 5 is a side elevational view of the present invention when the lock is not inserted.

Figure 6 is a side elevational view of the present invention with the lock inserted therein.

Figure 7 is a perspective view of the holder of the present invention.

Figure 8 is a schematic illustration of the use of the invention.

Figure 9 is a schematic view of the support frame of the present invention when it is stored.

10. . . Base

40. . . Turntable

50. . . Fastener

60. . . Fixing frame

64. . . Hook

70. . . Upper cover

80. . . Support frame

81. . . Clamping piece

82. . . Connector

821. . . perforation

83. . . Bottom piece

831. . . perforation

90. . . Lock

91. . . Ontology

92. . . Lock rope

921. . . Ferrule

Claims (11)

A locking device for a tablet type electronic device comprises: a main seat having a shaft member, the shaft member is a cylinder, and a screw hole is formed in the axial recess, and the shaft member is formed by abutting passage in a radial direction. Each of the two sides of the shaft member has an opening, and the abutting passage communicates with the screw hole; the two abutting members respectively pass through the two openings of the abutting passage of the main seat, and the abutting abutting passage on the abutting member The end portions are tooth-shaped; the two elastic members respectively move the two abutting members toward the back direction against the passage; the two fastening members are linearly movable on opposite sides of the main seat, Each of the fastening members has a rack portion along the moving direction, and the rack portions of the two fastening members respectively engage the toothed ends of the two abutting members; at least two fixing brackets are respectively disposed on the two fastening members. The end portion is a hook; a lock is screwed and fixed to the main seat, and has a body and a lock rope; the body has a screw column, the screw column has an external thread, and the screw column is screwed and fixed The screw hole of the shaft of the main seat; the end of the lock rope is surrounded by a set of rings. The locking device for a tablet type electronic device according to claim 1, further comprising a turntable rotatably disposed on the shaft member of the main seat and located in a direction away from the main seat, the turntable A circular hole is formed through the through hole, and the lock is screwed and fixed to the main seat through the circular hole; the turntable has a gear, and a part of the rack portion of the two fastening members is engaged with the two abutting members, and the remaining portion is clamped and engaged. The gear of the turntable. The locking device of the tablet electronic device according to claim 2, wherein the main seat comprises a base and an upper cover, the base is rectangular, and the left and right directions are long sides, and the top surface of the base is concavely formed with one slot. The shaft member is protruded and formed on the bottom surface of the square groove, and the front and rear sides of the shaft member are respectively radially recessed to form an abutting groove, and the abutting passage penetrates through the two abutting grooves. The locking device of the tablet type electronic device according to the third aspect of the invention, wherein the turntable has a gear, an abutting plate and a gripping portion from bottom to top, and the circular hole penetrates the turntable up and down; the bottom surface of the gear The shaft member of the base is sleeved and located above the abutting member and the elastic member; the abutting disk is the largest outer diameter of the turntable; the outer wall surface of the grip rotating portion is formed with a grain. The locking device of the tablet type electronic device according to the fourth aspect of the invention, wherein the two fastening members are respectively disposed on the left and right sides of the base on the left and right sides; the rack portion is a long strip type, and The two fastening parts and the rack part respectively abut the front and rear wall surfaces of the square groove of the base, and the upper half of the rack part of the two fastening parts are clamped back and forth and engage the gear of the turntable, and the lower part of the rack part of the two fastening parts The half portions are respectively engaged with the two abutting members. The locking device of the tablet type electronic device according to claim 5, wherein the two abutting members are respectively located in the two abutting grooves of the base, and have a through portion and abutting from the inside to the outside. And a toothed portion; the through portion is disposed in the abutting passage of the base; the cross-sectional area of the abutting portion is larger than the through portion; the toothed portion is outwardly formed into a tooth shape. The locking device for a tablet type electronic device according to claim 6, wherein the device has four fixing frames, two or two sets, each of which is matched with a fastening component, and each of the two fixing frames is respectively pivoted on the buckle. The front and rear outer corners of the joint; the fixed brackets are sequentially divided into the first rod, the second rod, the third rod and the hook from the inside to the outside, and the first rod can be pivotally disposed on the fastening member in a lateral direction. The second rod is pivotally disposed on the first rod, and the third rod is pivotally disposed on the second rod. The hook is pivotally disposed on the third rod. The locking device of the tablet electronic device of claim 7, wherein the turntable further has a clamping portion located between the abutting disk and the rotating portion, wherein the outer diameter of the clamping portion is smaller than the holding portion An outer diameter; further comprising a support frame, the support frame is fixedly fixed to the turntable, and comprises an clamping member, a connecting member and a bottom member; the clamping member is disposed with the clamping portion of the rotating wheel; the connecting member is rotatable up and down The connecting member is pivotally formed with a through hole; the bottom member can pivotally connect the connecting member up and down, and can adjust the position of pivoting with the connecting member, the bottom member is formed with a through hole, and one end portion of the bottom member is bent Fold into a hook. The locking device of the flat type electronic device according to the eighth aspect of the invention, wherein the bottom surface of the square groove of the base is protruded and formed with two spring projections respectively located on the left and right sides of the shaft member; each of the fastening members moves along A spring column is formed inwardly protrudingly; and further has two rack springs, one end of each of the two rack springs is respectively sleeved with spring rods of two fastening members, and the other ends respectively abut against the two spring protrusions of the base. The locking device of the tablet type electronic device according to claim 9, wherein an abutting surface is obliquely formed on the abutting portion toward the end of the abutting passage; the end of the screwing column of the locking device has a guiding angle . The locking device for a tablet electronic device according to claim 10, wherein the elastic member is an abutting spring.