TWI778805B - Universal portable electronic device anti-theft lock - Google Patents

Abstract

The present invention relates to a buckle mechanism for an anti-theft lock of an electronic device, which comprises a base, a stretch rod and two buckles. The base has a buckling direction, and the spreading rod is slidably arranged on the base in the buckling direction. One end of the opening rod toward the buckling direction is an abutting end, and its width is tapered toward the buckling direction. The two fasteners are respectively located on both sides of the spreading rod, the inner end of each fastener is pivoted to the base, and the outer end has an electronic device engaging portion. A protruding portion is formed protruding from the inner side surface of one of the clips. The movement of the opening rod in the direction of buckling will make its abutting end abut against the inner side surface of the two clips, and the electronic device engaging parts of the two clips will gradually move away from each other to be fastened to the anti-theft lock hole. In this way, this creation is suitable for anti-theft lock holes of various widths, and can achieve the effect of stepless adjustment.

Description

Universal portable electronic device anti-theft lock

The invention relates to an anti-theft lock, especially an anti-theft lock for fixing portable electronic devices.

Portable electronic devices, such as notebook computers, are usually provided with anti-theft lock holes, whereby a special anti-theft lock can be combined with the portable electronic device to lock the portable electronic device on the table or display cabinet, so that the Anti-theft when displayed in shopping malls, or to allow users to temporarily leave their seats in public places (such as libraries) without worrying about theft.

The anti-theft lock hole is a through hole formed through the outer wall of the portable electronic device. One end of the anti-theft lock is fixed to the table or display cabinet through a steel cable, and the other end has a claw. The outer end of the claws can penetrate into the casing through the anti-theft lock hole, and can be propped open in the casing so that the claws are fixed in the anti-theft lock hole and cannot be pulled out, thereby fixing the electronic device on the table or display cabinet.

The anti-theft lock holes have various specifications, the opening widths of the anti-theft lock holes of different specifications are different, and the thickness of the outer wall of the casing of the portable electronic device is also different. However, the claws of each anti-theft lock can only be opened and fixed at a specific deployment position, that is, the claws can only be opened to a specific width, so each existing anti-theft lock can only be equipped with a specific anti-theft lock Using the keyhole is very troublesome and expensive to use. For example, once users buy laptops of different specifications, they must purchase new anti-theft locks; if a shopping mall displays a variety of laptops of different specifications at the same time, it is necessary to prepare multiple anti-theft locks with different specifications, resulting in troublesome use. and high cost.

More specifically, the anti-theft keyholes for laptops mainly include three systems: Kensington Slot ^TM , Noble Wedge Slot ^TM and Kensington Nano Slot ^TM . Kensington Slot ^TM adds rounded holes in addition to the standard square keyhole; Noble Wedge Slot ^TM adds 3mm*5mm square keyholes (such as DELL ^TM laptops) in addition to wedge-shaped holes; In the store test, it was found that the above 6 kinds of apertures are different due to the different specifications of laptops from different manufacturers, such as thick and thin iron sheets for anti-theft keyholes. The pen motor body can be thick or thin. The assembly distance between the anti-theft keyhole iron plate and the pen motor body is also different, which makes the anti-theft lock unusable.

Therefore, the anti-theft locks for portable electronic devices in the prior art need to be improved.

In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a universal anti-theft lock for portable electronic devices, which can be applied to anti-theft lock holes of various specifications, thereby being convenient to use and low in cost.

In order to achieve the above-mentioned creation purpose, the technical means used in this creation is to design a general-purpose portable electronic device anti-theft lock, which includes: a buckle mechanism, including a base, which has a buckle direction; , which can be slidably installed on the base in the direction of buckling, one end of the stretch rod facing the direction of buckling is defined as an abutting end, and the width of the abutting end is tapered toward the direction of buckling; two cards The fastener is elongated; the inner end of each fastener is pivoted to the base, and the two inner ends of the two fasteners are respectively located on opposite sides of the opening rod; each fastener has: an inner side, facing the other of the fasteners; an outer side, opposite to the inner side; an electronic device engaging portion protruding from the outer side and located at the outer end of the fastener; wherein, The movement of the spreader rod toward the engaging direction will cause the abutting end of the spreader rod to abut the two inner side surfaces of the two fasteners and cause the two electronic device engaging portions of the two fasteners to gradually move away from each other; Wherein, the two fasteners are respectively defined as a first fastener and a second fastener, the inner side of the first fastener has a first abutting area, and the first abutting area faces toward A first protruding portion protrudes from the direction of the second latching member; the abutting end of the spreading rod selectively abuts against the first abutting area or the first protruding portion; a spreading rod restoring member, which is connected to the opening rod, and makes the opening rod tend to move opposite to the buckling direction; the resetting part of the buckling rod is a compression spring; the base is located on the side of the stretch rod opposite to the buckling direction; when the control member rotates relative to the base, the control member makes the position of the stretch rod along the buckling direction follow the control member The distance between the two electronic device engaging parts of the two latching parts is changed according to the rotating angle of the control part relative to the base; a lock head assembly, which is arranged on the clasp of the latching mechanism the base is connected to the control member; the lock head assembly has an unlocked state and a locked state; in the unlocked state, the lock head assembly can rotate relative to the base and can drive the control member to rotate; In the locked state, the lock head assembly cannot rotate relative to the base.

When the present invention is used, the two snap members are pivoted toward each other first, and then the two electronic device engaging portions at the outer ends of the two snap members are adjacent to each other. Next, insert the engaging parts of the two electronic devices into the anti-theft lock holes of the portable electronic device, and then drive the opening lever through the lock head assembly and the control element, so that the opening lever moves in the closing direction, and then the two engaging elements are locked. It cannot be pulled out from the anti-theft lock hole.

Specifically, when the width of the anti-theft lock hole is narrow, the opening rod will abut against the abutting portion of the clip to clamp the anti-theft lock hole. When the width of the anti-theft lock hole is wider, the spreader rod will continue to move to abut against the protrusion of the clip, so that the spreader rod can quickly spread the two clips to be fastened to the wider anti-theft lock hole.

The advantages of this creation are as follows:

First, the movement of the opening lever of the buckling mechanism in the buckling direction will gradually spread the two clips and fix them in the anti-theft lock hole. Card The fastener can be continuously stretched until the clip is limited by the width of the anti-theft lock hole, so that the buckle mechanism is suitable for various anti-theft lock holes of different widths to achieve the effect of stepless adjustment.

Second, by arranging the protruding portion on the buckle, the present invention can engage the anti-theft lock hole with a wider width without increasing the size of the buckle mechanism, and has the effect of reducing the volume. Specifically, if the inner side of the clip is a simple straight line, when the contact position between the spreader rod and the clip is slightly away from the pivot axis of the clip (ie, the proximal end of the clip), the clip It will quickly turn to be nearly parallel to the spreader rod, so that the movement of the spreader rod can only slowly spread the fastener. Increase the size of the fasteners and spreader rods. In the present invention, by disposing a protrusion farther from the pivot axis of the fastener, the opening rod can quickly open the fastener by pushing against the protrusion, without the need to increase the distance between the fastener and the opening rod. size, which can reduce the volume of the buckle mechanism.

Further, in the general anti-theft lock for portable electronic devices, wherein: the inner side of the second buckle has a second abutting area and a first groove, and the first groove is recessed in the second abutting area; when the first snap piece and the second snap piece pivot toward each other, the first protrusion of the first snap piece can move to the second snap piece in the first groove.

Further, in the universal anti-theft lock for portable electronic devices, wherein: the second abutting area of the second latching member protrudes toward the direction of the first latching member with a second protrusion, the support The abutting end of the opening rod selectively abuts the second abutting area or the second protruding part; the inner side surface of the first buckle has a second groove, and the second groove is recessed in the the first abutting area; when the first latch and the second latch are pivoted toward each other, the second protrusion of the second latch can move to the first latch in the second groove.

Further, in the universal anti-theft lock for portable electronic devices, wherein: the first protruding portion of the first buckle has an abutting arc surface; the abutting end of the spreading rod is selectively Abutting against the abutting arc surface of the first protruding portion to move the corresponding electronic device engaging portion.

Further, in the universal anti-theft lock for portable electronic devices, wherein: the first protruding portion of the first buckle has an abutting slope; the abutting end of the spreading rod selectively abuts The corresponding electronic device engaging portion is moved against the abutting slope of the first protruding portion.

Further, in the universal anti-theft lock for portable electronic devices, the first protruding portion of the first buckle has an abutting slope, and the included angle between the abutting slope and the first abutting area is between 30 degrees and 40 degrees; the abutting end of the spreading rod selectively abuts the abutting slope of the first protruding part to move the corresponding electronic device engaging part; the buckle mechanism has: A protruding distance, which is defined as the distance that the abutting slope of the first clip protrudes from the first abutting area; a clipping distance, which is defined as the first abutting area of the first clip When the second abutting area of the second clasp is parallel to each other, the distance between the first abutting area and the second abutting area; wherein, the ratio of the protruding distance to the clasping distance is between 0.25 to 0.4.

Further, in the general-purpose portable electronic device anti-theft lock, the spreading rod has two guiding inclined surfaces, which are respectively disposed on opposite sides of the center line of the spreading rod, and are inclined to the opposite sides of the center line of the spreading rod. The center line; the two guiding inclined surfaces extend toward the end surface of the abutting end toward the fastening direction, and the spacing distance between the two guiding inclined surfaces is tapered toward the fastening direction.

Further, in the general-purpose anti-theft lock for portable electronic devices, the control member has an annular surface, which surrounds the rotation axis of the control member, and can drive the support of the buckle mechanism toward the buckle direction. Open lever; when the control piece rotates relative to the base, the annular surface makes the position of the spreader rod along the snap-fit direction to change with the rotation angle of the control piece.

10: Buckle mechanism

11: Pedestal

111: down

112: upper cover

113: Snap opening

12: Spread the bar

121: abutting end

122: Guide slope

13: Snaps

131: inner side

132: outer side

133: Electronic device engaging part

20: Spreading rod reset piece

30: Controls

31: Torus

40: lock head assembly

41: Mandrel

61: The first clip

611: The first contact area

612: First protrusion

6121: Against the arc

613: Second groove

62: The second clip

621: Second abutment area

622: Second protrusion

6221: Against the arc

10A: Buckle mechanism

12A: Spread the rod

121A: Abutting end

133A: Electronic device engaging part

61A: The first clip

611A: First abutment area

612A: First protrusion

6121A: Against the slope

62A: Second clip

621A: Second abutment area

10B: Buckle mechanism

12B: Spread the rod

61B: The first clip

611B: First abutment area

6121B: Abutment bevel

91: Anti-theft lock hole

91A: Anti-theft lock hole

91B: Anti-theft lock hole

91C: Anti-theft lock hole

91D: Anti-theft lock hole

91E: Anti-theft lock hole

S: Fastening direction

C: center line

α: included angle

D1: Prominence distance

D2: Snap spacing

FIG. 1 is a three-dimensional appearance view of the universal portable electronic device anti-theft lock of the present invention.

FIG. 2 is an exploded view of the three-dimensional components of the universal portable electronic device anti-theft lock of the present invention.

FIG. 3 is an exploded perspective view of some components of the universal portable electronic device anti-theft lock of the present invention.

FIG. 4 and FIG. 5 are schematic diagrams of use of the universal portable electronic device anti-theft lock of the present invention being clamped in a lock slot.

6A is a schematic front view of an anti-theft lock hole with a width of 5 mm.

FIG. 6B is a partial cross-sectional schematic diagram of the anti-theft lock of the universal portable electronic device of the present invention being fastened to the anti-theft lock hole of FIG. 6A .

FIG. 7A is a schematic front view of an anti-theft lock hole with a width of 5.5 mm.

FIG. 7B is a partial cross-sectional schematic view of the anti-theft lock of the universal portable electronic device of the present invention being fastened to the anti-theft lock hole of FIG. 7A .

8A is a schematic front view of an anti-theft lock hole with a width of 6 mm.

FIG. 8B is a schematic partial cross-sectional view of the anti-theft lock of the universal portable electronic device of the present invention being fastened to the anti-theft lock hole of FIG. 8A .

9A is a schematic front view of an anti-theft lock hole with a width of 7 mm.

FIG. 9B is a partial cross-sectional schematic view of the anti-theft lock of the universal portable electronic device of the present invention being fastened to the anti-theft lock hole of FIG. 9A .

10A is a schematic front view of an oblong anti-theft lock hole.

FIG. 10B is a partial cross-sectional schematic view of the anti-theft lock of the universal portable electronic device of the present invention being fastened to the anti-theft lock hole of FIG. 10A .

FIG. 11 is a schematic partial top view of the second embodiment of the universal portable electronic device anti-theft lock of the present invention.

FIG. 12 is a partial top view of the third embodiment of the universal portable electronic device anti-theft lock of the present invention.

Please refer to FIG. 1 to FIG. 4 , the general-purpose anti-theft lock for portable electronic devices of the present invention includes a snap-fit mechanism 10 , a retracting member 20 , a control member 30 and a lock head assembly 40 .

The aforementioned buckling mechanism 10 includes a base 11 , a spreading rod 12 , and two buckles 13 . In this embodiment, the base 11 specifically includes a lower seat 111 and an upper cover 112 . The lower seat 111 is formed with an inner space and a buckling direction S (as shown in FIG. 4 ). The base 11 is not limited to this, and may also be a plate body installed inside other components.

The spreading rod 12 is slidably disposed on the lower seat 111 of the base 11 in the engaging direction S. One end of the spreader rod 12 toward the buckling direction S is defined as an abutting end 121 , and the width of the abutting end 121 tapers toward the buckling direction S. Specifically, the spreading rod 12 has two guiding inclined surfaces 122 . The two guiding inclined surfaces 122 are respectively disposed on opposite sides of the center line C (as shown in FIG. 4 ) of the spreading rod 12 and are inclined to the spreading rod 12 . The center line C, and extends toward the snap-fit direction S to the end face of the abutting end 121 . The spaced distance between the two guiding inclined surfaces 122 is tapered toward the fastening direction S. As shown in FIG.

The two fasteners 13 are both elongated. The inner end of each buckle 13 is pivoted on the lower seat 111 of the base 11 and is located in the inner space of the lower seat 111 . The two inner ends of the two fasteners 13 are respectively located on opposite sides of the spreading rod 12 . The two outer ends of the two clips 13 protrude out of the base 11 from the clip opening 113 of the lower seat 111 .

Each clip 13 has an inner side 131 , an outer side 132 and an electronic device engaging portion 133 . The inner side 131 is a side of the fastener 13 facing the other fastener 13 , and the outer side 132 is opposite to the inner side 131 . The electronic device engaging portion 133 is formed protruding from the outer side surface 132 and located at the outer end of the engaging member 13 .

Please refer to FIG. 4 and FIG. 5 , the movement of the spreading rod 12 in the buckling direction S will cause the abutting end 121 of the spreading rod 12 to abut the two inner side surfaces 131 of the two latching pieces 13 , thereby allowing the two The latches 13 pivot in a direction away from each other, so that the two electronic device engaging portions 133 of the two latches 13 gradually move in a direction away from each other.

Please refer to FIG. 3 and FIG. 6B , in this embodiment, the shapes of the two fasteners 13 are the same, only the installation angles are different, but the shapes of the two fasteners 13 are not limited to the same. Cards for explanatory purposes The detailed features of the fastener 13 are hereinafter defined as a first fastener 61 and a second fastener 62 (as shown in FIG. 6B ). The inner side surface 131 of the first latching member 61 has a first abutting area 611 , a first protrusion 612 and a second groove 613 , but the second groove 613 can also be omitted depending on the situation.

The first abutting area 611 is elongated and extends from the proximal end of the first clip 61 to the distal end; more specifically, the first abutting area 611 is a plane extending straight, but the 611 is not limited to a flat surface, and can also be a slightly curved surface.

The first protruding portion 612 protrudes from the first abutting area 611 in the direction of the second latching member 62 , and is connected to one end of the first abutting area 611 in the buckling direction S. As shown in FIG. The abutting end 121 of the spreading rod 12 selectively abuts against the first abutting area 611 or the first protruding portion 612 ; the so-called selective abutting against the first abutting area 611 or the first protruding portion 612 , that is, the spreading rod During the sliding process of the 12 in the engaging direction S, the abutting end 121 of the abutting end 121 will first abut against the first abutting area 611 to make the first latching member 61 pivot away from the second latching member 62, and then Abutting against the first protrusion 612 so that the first latch 61 continues to pivot in the same direction. By forming the first protruding portion 612 , the spreading rod 12 can more effectively pivot the two latching members 13 away from each other.

The inner side surface 131 of the second fastener 62 has a second abutting area 621 , a second protrusion 622 and a first groove, but the second fastener 62 may not have the second protrusion 622 , or That is, only one of the two fasteners 13 may have a protrusion on the inner side surface 131 of one of the fasteners 13 . The second abutting area 621 is elongated. The second protruding portion 622 protrudes from the second abutting area 621 toward the direction of the first latching member 61 , and is connected to one end of the second abutting area 621 that faces in the buckling direction S. As shown in FIG. The abutting end 121 of the spreader rod 12 selectively abuts the second abutting area 621 or the second protrusion 622 .

When the first latching member 61 and the second latching member 62 are pivoted toward each other, the first protrusion 612 of the first latching member 61 can move into the first groove of the second latching member 62, and the first The second protrusions 622 of the two latching members 62 can move into the second grooves 613 of the first latching member 61 so that the outer end of the first latching member 61 can pivot to abut against the second latching member 62 to the outer end. By forming the second groove 613 and the first groove slot, the angle at which the first snap member 61 and the second snap member 62 pivot toward each other will not be reduced by the first protrusion 612 and the second protrusion 622; that is, the cooperation of the protrusion and the groove can Increase the range of pivoting of the first locking member 61 and the second locking member 62 in a direction away from each other due to the abutment of the spreader rod 12 .

Furthermore, in this embodiment, the first protruding portion 612 of the first latching member 61 has an abutting arc surface 6121 . The abutting end 121 abuts against the abutting arc surface 6121 of the first protruding portion 612 to move the corresponding electronic device engaging portion 133 . Similarly, the second protruding portion 622 of the second locking member 62 may also have an abutting arc surface 6221 (as shown in FIG. 6B ). , the abutting end 121 abuts against the abutting arc surface 6221 of the second protruding portion 622 to move the corresponding electronic device engaging portion 133 .

Please refer to FIG. 3 to FIG. 5 , the aforementioned spreader rod restoring member 20 is connected to the spreader rod 12 , and makes the spreader rod 12 tend to move opposite to the buckling direction S and shrink inward from the base 11 . inside the snap opening 113 . Thereby, the spreader lever reset 20 tends to allow the spreader lever 12 to allow the two catches 13 to pivot toward each other. Specifically, the stretch rod restoring member 20 is a compression spring sleeved outside the stretch rod 12 .

The aforementioned control member 30 is rotatably disposed in the inner space of the lower seat 111 of the base 11 , and is located on the side of the spreading rod 12 opposite to the buckling direction S. As shown in FIG. The control member 30 has a ring surface 31 , the ring surface 31 surrounds the rotation axis of the control member 30 and can drive the opening rod 12 of the locking mechanism 10 toward the locking direction S. When the control member 30 rotates relative to the base 11 , the annular surface 31 makes the position of the spreader rod 12 along the buckling direction S change with the rotation angle of the control member 30 relative to the base 11 , thereby making the two electronic devices of the two latching members 13 change. The distance between the device engaging portions 133 varies with the rotation angle of the control member 30 relative to the base 11 .

Please refer to FIG. 1 and FIG. 2 , the aforementioned lock head assembly 40 is disposed on the upper cover 112 of the base 11 and is connected to the control member 30 ; specifically, the lock head assembly 40 has a spindle 41 (as shown in FIG. 2 ) ), the mandrel 41 passes through a connecting hole in the center of the control member 30 . The lock head assembly 40 (not shown in the figure) has an unlocked state and a locked state. In the unlocked state, the lock head assembly 40 can rotate relative to the base 11 and can drive the control member 30 to rotate. In the locked state, the lock head assembly 40 cannot rotate relative to the base 11 . in this In the embodiment, the lock head assembly 40 can be controlled by a key (not shown) to switch between the unlocked state and the locked state.

Please refer to FIG. 4 and FIG. 5 , when the lock head assembly 40 is in the unlocked state, the user can rotate the control member 30 through the lock head assembly 40 , so that the electronic device of the two buckle members 13 of the buckle mechanism 10 is locked. The joint portions 133 move away from each other and are fastened in a groove-shaped anti-theft lock hole 91 .

In the present embodiment, the lock head assembly 40 directly abuts against the spreader rod 12 via the annular surface 31 of the control member 30 to drive the spreader rod 12 to move in the engaging direction S, but it is not limited thereto. In other embodiments, the lock head assembly 40 can also drive the opening rod 12 to move toward the buckling direction S through the action of the elastic element or the magnetic element through the action of the elastic force or the magnetic force. The elastic component includes, for example, a compression spring, and the magnetic component includes, for example, two mutually repelling magnetic elements. In addition, in this embodiment, the lock head assembly 40 is exemplified by a cylinder lock assembly, but the invention is not limited to this; in other embodiments, the lock head assembly 40 can also be, for example, a push lock assembly, a combination lock Components and other lock head components.

Please refer to FIG. 6A to FIG. 10B , the user can change the position of the opening rod 12 by rotating the lock head assembly 40 , thereby changing the distance between the two electronic device engaging portions 133 , so that the engaging mechanism 10 can be locked firmly Anti-theft lock holes 91 with various widths, such as anti-theft lock holes 91A with a width of 5 mm (as shown in FIGS. 6A and 6B ), and anti-theft lock holes 91B with a width of 5.5 mm (as shown in FIGS. 7A and 7B ) , the anti-theft lock hole 91C with a width of 6 mm (as shown in FIGS. 8A and 8B ), the anti-theft lock hole 91D with a width of 7 mm (as shown in FIGS. 9A and 9B ), and an oblong hole-shaped anti-theft lock hole 91E (as shown in Figures 10A and 10B). The aforementioned six anti-theft lock holes 91 are standard anti-theft lock holes on the market.

Please refer to FIG. 11 , the second embodiment of the present invention is substantially the same as the first embodiment, except that the first protruding portion 612A of the first latch 61A has an abutting inclined surface 6121A, and the abutting surface of the spreading rod 12A is The abutting end 121A abuts against the inclined surface 6121A to move the corresponding electronic device engaging portion 133A. The included angle α between the abutting slope 6121A and the first abutting area 611A is preferably between 30 degrees and 40 degrees, so as to ensure that the spreading rod 12A can reliably spread the first latching member 61A. To be precise, the included angle α of this embodiment is between 32 and 34 degrees. By setting the abutting inclined surface 6121A, when the spreading rod 12A abuts against the first latching member 61A, the contact angle between the two will be smaller than the included angle α and will not change rapidly, thereby enabling the spreading rod 12A to be pushed to the desired position. Power is more stable.

In addition, the buckling mechanism 10A has a protruding distance D1 and a buckling distance D2. The protruding distance D1 is defined as the distance by which the abutting slope 6121A of the first clip 61A protrudes from the first abutting region 611A. The latching distance D2 is defined as the first abutting area 611A and the second abutting area 621A when the first abutting area 611A of the first latching member 61A and the second abutting area 621A of the second latching member 62A are parallel to each other. interval distance. In this embodiment, the ratio of the protruding distance D1 to the buckle distance D2 is between 0.25 and 0.4, and precisely between 0.35 and 0.4, so as to ensure sufficient strength of the first buckle member 61A, Get the maximum opening angle.

Please refer to FIG. 12 , the third embodiment of the present invention is substantially the same as the second embodiment, the difference is that the angle α between the abutting slope 6121B and the first abutting area 611B is between 36 and 38 degrees, and the protruding distance is The ratio of D1 to the clip spacing D2 is between 0.25 and 0.3. By designing the included angle α of the abutting slope 6121B to be slightly larger, the locking mechanism 10B can achieve the same opening angle of the first latching member 61B with a shorter stroke of the opening rod 12B, and the mechanism can act more quickly.

To sum up, the movement of the spreading rod 12 of the buckle mechanism 10 of the present invention in the buckle direction S will gradually spread the two buckles 13 and fix them in the anti-theft lock hole 91 . Pushing the opening lever 12 toward the buckling direction S, the two snap members 13 can be stretched continuously until the snap pieces 13 are limited by the width of the anti-theft lock hole, thereby making the snap-fit mechanism 10 suitable for anti-theft locks of various widths Hole 91 to achieve the effect of stepless adjustment. In addition, by arranging the protruding portion on the buckle, the present invention can fasten the anti-theft lock hole 91 with a wider width without increasing the size of the buckle mechanism 10 , which has the effect of reducing the volume.

The above is only the preferred embodiment of the creation, and does not limit the creation in any form. Although the creation has been disclosed as above in the preferred embodiment, it is not intended to limit the creation. Usually knowledgeable persons, without departing from the scope of this creative technical solution However, any simple modifications made to the above embodiments according to the technical essence of the present creation without departing from the content of the technical solution of the present creation , equivalent changes and modifications, all still fall within the scope of this creative technical solution.

10: Buckle mechanism

11: Pedestal

111: down

112: upper cover

113: Snap opening

12: Spread the bar

13: Snaps

20: Spreading rod reset piece

30: Controls

41: Mandrel

Claims (8)

A universal portable electronic device anti-theft lock, comprising: a buckling mechanism, including a base, which has a buckling direction; a spreader rod, which is slidably disposed on the base towards the buckling direction , the one end of the spreader rod toward the buckling direction is defined as an abutting end, and the width of the abutting end is tapered toward the buckling direction; two fasteners, which are elongated; the inner end of each of the fasteners The base is pivoted, and the two inner ends of the two fasteners are respectively located on opposite sides of the stretch rod; each of the fasteners has: an inner side facing the other fastener; an outer side , which is opposite to the inner side surface; an electronic device engaging portion, which protrudes from the outer side surface and is located at the outer end of the engaging piece; wherein, the movement of the opening rod toward the engaging direction will cause the opening The abutting end of the rod abuts against the two inner side surfaces of the two buckles and causes the two electronic device engaging portions of the two buckles to gradually move away from each other; wherein the two buckles respectively define It is a first buckle piece and a second buckle piece, the inner side of the first buckle piece has a first abutting area, and the first abutting area protrudes toward the direction of the second buckle piece There is a first protruding part; the abutting end of the spreading rod selectively abuts against the first abutting area or the first protruding part; a spreading rod restoring part is connected to the spreading rod and makes The stretch rod tends to move opposite to the snap-fit direction; the stretch rod reset member is a compression spring; a control member is rotatably disposed on the base of the snap-fit mechanism and located in the stretcher The side of the rod opposite to the snap-fit direction; when the control member rotates relative to the base, the control member makes the spread rod along the The position of the clasping direction changes with the rotation angle of the control member, so that the distance between the two electronic device engaging portions of the two clasp members changes with the rotation angle of the control member relative to the base; a lock head an assembly, which is arranged on the base of the buckle mechanism and is connected to the control part; the lock head assembly has an unlocked state and a locked state; in the unlocked state, the lock head assembly can rotate relative to the base, And can drive the control piece to rotate; in the locked state, the lock head assembly cannot rotate relative to the base. The universal anti-theft lock for a portable electronic device as claimed in claim 1, wherein: the inner side of the second buckle has a second abutting area and a first groove, and the first groove is recessed in the second abutting area; when the first snap piece and the second snap piece pivot toward each other, the first protrusion of the first snap piece can move to the second snap piece in the first groove. The anti-theft lock for a universal portable electronic device as claimed in claim 2, wherein: the second abutting area of the second latching member protrudes toward the direction of the first latching member with a second protrusion, the support The abutting end of the opening rod selectively abuts the second abutting area or the second protruding part; the inner side surface of the first buckle has a second groove, and the second groove is recessed in the the first abutting area; when the first latch and the second latch are pivoted toward each other, the second protrusion of the second latch can move to the first latch in the second groove. The anti-theft lock for a universal portable electronic device according to any one of claims 1 to 3, wherein: the first protrusion of the first latch has an abutting arc surface; The abutting end selectively abuts against the abutting arc surface of the first protruding portion to move the corresponding electronic device engaging portion. The universal anti-theft lock for a portable electronic device according to any one of claims 1 to 3, wherein: the first protrusion of the first latch has an abutting slope; The abutting end selectively abuts against the abutting slope of the first protruding portion to move the corresponding electronic device engaging portion. The universal anti-theft lock for a portable electronic device as claimed in claim 3, wherein: the first protruding portion of the first latch has an abutting slope, and the included angle between the abutting slope and the first abutting area between 30 degrees and 40 degrees; the abutting end of the spreading rod selectively abuts the abutting slope of the first protruding part to move the corresponding electronic device engaging part; the buckle mechanism has: A protruding distance, which is defined as the distance that the abutting slope of the first clip protrudes from the first abutting area; a clipping distance, which is defined as the first abutting area of the first clip When the second abutting area of the second clasp is parallel to each other, the distance between the first abutting area and the second abutting area; wherein, the ratio of the protruding distance to the clasping distance is between 0.25 to 0.4. The universal anti-theft lock for a portable electronic device according to any one of claims 1 to 3, wherein the spreading rod has two guiding inclined surfaces, which are respectively disposed on opposite sides of the center line of the spreading rod, and Inclined to the centerline of the spreading rod; the two guiding inclined surfaces extend toward the snap-fit direction to the end surface of the abutting end, and the spacing distance between the two guide inclined surfaces is tapered toward the snap-fit direction. The universal anti-theft lock for a portable electronic device according to any one of claims 1 to 3, wherein the control member has a toroidal surface, which surrounds the rotation axis of the control member, and can drive the control member toward the buckling direction. When the control member rotates relative to the base, the annular curved surface makes the position of the stretch rod along the buckle direction change with the rotation angle of the control member.

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