TWI550173B - Locking device for portable device - Google Patents

Description

Locking device for portable device

The present invention relates to a locking device, and more particularly to a locking device for a portable device that can lock a portable device in a specific position.

The computer lock includes a lock and a cable connecting the lock, the lock can be locked to a portable device (for example, a notebook computer), and the cable is wound around and sleeved in a column (for example, a table) On the foot), the portable device can be prevented from being carried away from the cylinder, thereby preventing theft.

The locking device of the prior art computer lock has a locking head which is T-shaped and forms an elongated fixing rod at the end, and the casing of the portable device forms a laterally extending elongated locking hole. The shape and size of the elongated keyhole cooperate with the fastening rod. After the locking rod is inserted into the casing from the elongated locking hole, the locking device is inserted by the key and the locking head is rotated by 90 degrees, so that the locking rod of the locking head is perpendicular to the elongated locking hole and abuts against the elongated locking hole. The lock and the portable device are interlocked with each other on the inner wall surface of the casing.

However, the problem of the above-mentioned prior art computer lock is that the length of the locking hole of the casing of the portable device must be greater than or equal to the length of the locking bar of the locking device, so that the locking rod can protrude into the casing. More importantly, the upper and lower sides of the inside of the keyhole must also have separate spaces for the card to be clamped to the inner wall of the casing. Therefore, for portable devices such as notebook computers which are currently being thinned, there will be no sufficient height space for locking the above-mentioned prior art computer locks.

In view of the problems of the prior art described above, an object of the present invention is to provide a locking device that can be applied to a portable device that is locked and thinned.

In order to achieve the above-mentioned creative purpose, the technical means adopted by the present invention is that the locking device of a portable device comprises: a lock comprising a casing, two fastening plates, two elastic members, a sliding member and a a locking body; the housing has a front end and a rear end, the housing is formed with a slot and a sliding slot, the slot extends through the front end of the housing, and the slot walls on both sides of the slot are respectively recessed The sliding groove is formed between the rear end of the casing and the through groove; the two fastening plates are arranged side by side in parallel in the groove of the casing, and the fixing plate is vertical The front end and the rear end of the housing are parallel to each other and parallel to the arrangement direction of the two fastening plates, but cannot move back and forth along the connecting direction of the front end and the rear end of the housing, and each fixing plate is long. The front plate portion has a front end portion, an inner side edge and an outer side edge. The front end portion of the fixing plate protrudes from the front end of the housing, and the inner edge of the fixing plate is concavely formed with at least one a groove, the groove of the two fastening plate is correspondingly disposed, and the outer edge of the fastening plate is located A locking protrusion is formed at a front end portion of the fixing plate; the two elastic members are respectively disposed in the two receiving slots of the housing, and the two ends of each elastic member respectively abut the housing and correspondingly clamped a plate, the elastic member is pushed against the two fastening plates to move in opposite directions; the sliding member is disposed in the housing, the sliding member has a head and an extension plate, and the head is disposed on the sliding of the casing The slot is movable back and forth along a connecting direction of the front end and the rear end of the housing, and a driving slot is formed in the head. The extending board extends from the head toward the front end of the housing and is stacked on the card. Above the plate, the extension plate has a rear end portion, a front end portion, a lower surface and at least one pushing protrusion, the rear end portion of the extension plate is connected to the head portion, and the front end portion of the extension plate protrudes from the front end of the housing Extending the housing, the pushing convex portion is formed on the lower surface of the extension plate and protrudes between the two fastening plates, and each pushing convex portion is selectively embedded in the corresponding groove The lock body is disposed in the housing, the lock body has a driving rod, and the driving rod is disposed at the head of the sliding member Drivers capable of driving the sliding member slot back and forth along a direction connecting the front and rear ends of the housing; A cable that connects the housing.

A cushion pad may be fixed to the front end of the casing, and a front end portion of the front end portion of the fixing plate and the extending portion of the sliding member protrudes forward through the cushion pad.

At least one guiding groove is formed in the housing, and two ends of the guiding slot extend toward the front end and the rear end of the housing respectively, and the upper surface of the extending plate of the sliding member can form at least one guiding protrusion, the guiding The protrusion is slidably disposed in the guide groove of the housing.

The lock body may have a lower bead seat and a lock core, the lower bead seat is fixed to the casing, the lock core is rotatably penetrated through the lower bead seat, and the drive rod of the lock body is protruded and formed on the lock core One of the inner ends, and the drive rod is located at an eccentric position of the lock core.

A limiting piece may be disposed between the head of the sliding member and the lower bead seat, and the limiting piece is sleeved and fixed on an inner end of the locking core, and the outer periphery of the limiting piece is radially concave. Forming an arc-shaped limiting slot, the bottom surface of the lower bead seat may be formed with a limiting protrusion, and the limiting protrusion protrudes from the limiting slot of the limiting piece.

The groove walls on the inner sides of the through-grooves of the casing may be respectively formed with opposite fitting grooves, and the outer edge of each of the fastening plates may be formed with an engaging convex portion, and the engaging convex portion is embedded and fixed therein. Two corresponding recesses in the housing.

The housing may include an opposite base and an upper cover, the base having an inner side, a front end and a rear end, the through groove being concavely formed on the inner side of the base and extending through the front end of the base, the sliding The groove is concavely formed on the inner side surface of the base and located between the rear end of the base and the through groove, the upper cover has an inner side surface, a front end and a rear end, and the inner side surface of the upper cover faces the inner side surface of the base, The guiding groove is concavely formed on the inner side surface of the upper cover, and both ends of the guiding groove extend toward the front end and the rear end of the upper cover, respectively.

A top surface of the casing may be formed through a key hole, and an outer end of the lock body protrudes between the key holes of the casing.

The cable may be connected at one end to the rear end of the casing and at the other end to a set of rings.

When the locking device of the present invention is used, the lock core is rotated by a key, so that the driving rod of the lock core drives the pushing convex portion of the sliding member to be embedded in the corresponding groove of the two fastening plates, The front end of the two card fasteners can be extended into the locking hole provided in the casing of the portable device, and then the driving rod can be driven to move the pushing portion of the sliding member to the convex portion by rotating the key to Being clamped between the inner edges of the two fastening plates, at this time, because the distance between the side edges of the two fastening plates is increased, the locking convex portions of the two fastening plates are engaged The inner side of the casing of the portable device achieves the purpose of locking the portable device and the lock.

The invention has the advantages that the lock of the invention can be obtained because the portable device only needs to retain the space for the fastening protrusions of the fastening plate to be locked on opposite sides of the inside of the locking hole of the casing. The locking device of the solid device is locked to the portable device, so the locking device of the present invention can be applied to a thin portable device without being limited by the overall thickness of the portable device.

10‧‧‧Locks

11‧‧‧Shell

11A‧‧‧Base

11B‧‧‧Upper cover

111‧‧‧through slot

112‧‧‧Inlay

113‧‧‧ 容容

114‧‧‧Slip groove

115‧‧‧ Guide slot

116‧‧‧ keyhole

117‧‧‧ slots

118‧‧‧Trap

119‧‧‧ fixed column

12‧‧‧Kart board

121‧‧‧ Groove

122‧‧‧Inlay projection

123‧‧‧Culture convex

13‧‧‧Flexible parts

14‧‧‧Sliding parts

141‧‧‧ head

142‧‧‧ drive slot

143‧‧‧ Extension board

144‧‧‧ pushed to the convex

145‧‧‧Guided convex

15‧‧‧Lock body

151‧‧‧Beads

152‧‧‧Limited convex

153‧‧‧Lock

154‧‧‧ drive rod

16‧‧‧Limited Movies

161‧‧‧ Limit slot

17‧‧‧ cushion

20‧‧‧ Cable

31‧‧‧Cylinder

32‧‧‧Portable device

321‧‧‧Shell

322‧‧‧Keyhole

Figure 1 is a schematic perspective view of the present invention in use.

Figure 2 is a perspective view of the present invention.

Figure 3 is a perspective exploded view of the present invention.

Figure 4 is another perspective exploded view of the present invention.

5 and 6 are elevational views of a cross-sectional view of a portion of the components of the present invention.

Figure 7 is a bottom plan view of a portion of the components of the present invention.

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

Referring to Figures 1 and 2, the locking device of the portable device of the present invention includes a lock 10 and a cable 20.

As shown in FIG. 3 , the lock 10 includes a casing 11 , two fastening plates 12 , two elastic members 13 , a sliding member 14 , a lock body 15 , a limiting piece 16 and a cushion 17 .

Referring to FIG. 4, the housing 11 has a front end and a rear end. The housing 11 defines a slot 111, a sliding slot 114, at least one guiding slot 115 and a key hole 116. 111 is inserted through the front end of the casing 11 , and the groove walls on the two sides of the through groove 111 are respectively concavely formed with opposite cavities 112 and opposite cavities 113 formed at the rear end of the casing 11 . The guide groove 115 is an elongated groove extending from the front end and the rear end of the housing 11. The key hole 116 is formed in the housing. The top of the 11th.

In a specific embodiment of the present invention, the housing 11 includes a base 11A and an upper cover 11B. The base 11A has an inner side surface, a front end and a rear end. The through slot 111 is concavely formed therein. The inner side of the base 11A is further inserted through the front end of the base 11A. The sliding groove 114 is concavely formed on the inner side surface of the base 11A and located between the rear end of the base 11A and the through slot 111. The upper cover 11B has a The inner side surface, a front end and a rear end, the inner side surface of the upper cover 11B faces the inner side surface of the base 11A, and the guide groove 115 is concavely formed on the inner side surface of the upper cover 11B, and the two ends of the elongated guide groove 115 are respectively The front end 11B extends in the direction of the front end and the rear end, and the key hole 116 is formed in the top surface of the upper cover 11B.

Further, the groove walls on the inner sides of the through slots 111 of the base 11A are further recessed and formed with opposite slots 117 respectively. The slot 117 is adjacent to the front end of the base 11A, and the inner side surface of the upper cover 11B is further protruded and formed. There are two tabs 118, which respectively correspond to the two slots 117 of the base 11A. When the base 11A is in contact with the upper cover 11B, the tabs 118 of the upper cover 11B are respectively inserted into the slots 117 of the base 11A, and the two fixing posts 119 are used to penetrate the front end of the base 11A and respectively penetrate the two convex portions. The piece 118 can be fixed by combining the base 11A and the upper cover 11B.

Referring to FIG. 5, the two fastening plates 12 are arranged side by side in parallel in the slot 111 of the housing 11 and perpendicular to the connecting direction of the front end and the rear end of the housing 11 and parallel to the two cards. The arrangement direction of the solid plates 12 is laterally moved. Each of the fastening plates 12 is an elongated plate member and has a front end portion, an inner edge portion and an outer edge. The front end portion of the fixing plate 12 is from the housing 11 The front end of the fixing plate 12 is opposite to the inner edge of the other fixing plate 12, and the inner edge of the fixing plate 12 is concavely formed with at least one groove 121. The groove 121 of the plate 12 is correspondingly disposed. The outer edge of the fixing plate 12 faces the corresponding groove wall in the through groove 111. The outer edge of the fixing plate 12 is formed with an engaging convex portion 122 and a clamping portion. The convex portion 123 is embedded and fixed in the corresponding two recesses 112 of the housing 11 so that the fixing plate 12 cannot move back and forth along the connecting direction of the front end and the rear end of the housing 11. The fastening protrusions 123 are formed at the front end of the fastening plate 12, and the fastening protrusions 123 of the two fastening plates 12 protrude laterally in opposite directions.

The two elastic members 13 are respectively disposed in the two recesses 113 of the housing 11. The two ends of each elastic member 13 respectively abut against the base 11A of the housing 11 and the corresponding fixing plate 12, and the elastic member 13 The two fastening plates 12 are pushed to move in opposite directions. Specifically, the elastic member 13 may be a compression spring.

The sliding member 14 is disposed in the housing 11 , and the sliding member 14 is disposed between the base 11A and the upper cover 11B of the housing 11 , and the sliding member 14 can be connected along the front end and the rear end of the housing 11 . The direction moves back and forth and has a head 141 and an extension plate 143. The head portion 141 is disposed in the sliding groove 114 of the casing 11 and can move back and forth along the connecting direction of the front end and the rear end of the casing 11. A driving groove 142 is formed in the head portion 141. The extension plate 143 extends from the front end 141 toward the front end of the housing 11 and is stacked above the fastening plate 12. The extension plate 143 has a rear end portion, a front end portion, a lower surface, an upper surface, and at least Pushing the convex portion 144 and the at least one guiding convex portion 145, the rear end portion of the extending plate 143 is connected to the head portion 141, and the front end portion of the extending plate 143 protrudes from the front end of the housing 11 to the housing 11. The lower surface of the extension plate 143 faces the fastening plate 12, and the upper surface of the extension plate 143 faces the guiding groove 115 of the housing 11. The pushing convex portion 144 is formed on the lower surface of the extending plate 143 and protrudes. Between the two card plates 12, each The pushing protrusion 144 is selectively embedded in the corresponding groove 121. The guiding protrusion 145 is formed on the upper surface of the extending plate 143 and is disposed in the guiding groove 115 of the housing 11 . The slider 14 is slidable along the guide groove 115.

In a specific embodiment of the present invention, the upper cover 11B of the casing 11 is formed with two spaced-apart and mutually parallel guide grooves 115, and the upper surface of the extension plate 143 of the sliding member 14 is formed with two spaced-apart guide projections. 145, the two guiding protrusions 145 are respectively disposed in the two guiding grooves 115; the inner edge of each of the fastening plates 12 is provided with two spaced grooves 121, and the extending plate 143 of the sliding member 14 is lower The surface is formed with two spaced apart pushing protrusions 144, which are selectively embedded in the corresponding grooves 121, respectively.

Referring to FIG. 7 , the lock body 15 is disposed in the housing 11 , and the lock body 15 is disposed in the upper cover 11B of the housing 11 , and a drive is formed at the inner end of the lock body 15 . The rod 154 is disposed in the driving groove 142 of the head portion 141 of the sliding member 14 and can drive the sliding member 14 to move back and forth along the connecting direction of the front end and the rear end of the housing 11.

In the embodiment of the present invention, the lock body 15 has a lower bead seat 151 and a lock core 153. The lower bead seat 151 is fixed to the upper cover 11B of the casing 11. The bottom surface of the lower bead seat 151 faces the sliding. a head portion 141 of the member 14 and a bottom surface of the lower bead seat 151 is formed with a limiting protrusion 152. The locking core 153 is rotatably inserted through the lower bead seat 151. Between the keyholes 116 of the housing 11, an inner end of the lock core 153 protrudes from the driving rod 154. The driving rod 154 is located at an eccentric position of the locking core 153, and the driving rod 154 is disposed at The head portion 141 of the slider 14 is in the drive groove 142. Thereby, when the lock core 153 is rotated by a key, the sliding member 14 can be moved back and forth along the connecting direction of the front end and the rear end of the casing 11 via the driving rod 154.

The limiting piece 16 is disposed between the head 141 of the sliding member 14 and the lower bead seat 151. The limiting piece 16 is sleeved and fixed to the inner end of the locking core 153, and the limiting piece 16 Outer peripheral radial recess An arc-shaped limiting groove 161 is formed. The limiting protrusion 152 of the lower bead seat 151 protrudes from the limiting groove 161, thereby limiting the range of rotation of the lock core 153.

The cushion pad 17 is fixed to the front end of the casing 11. The front end portion of the fastening plate 12 and the front end portion of the extension plate 143 of the sliding member 14 extend through the cushion pad 17 to protrude forward. Specifically, the material of the cushion 17 may be foam.

One end of the cable 20 is connected to the rear end of the casing 11, and the other end is provided with a set of rings 21.

Referring to Figures 1, 2 and 5, the locking device of the present invention firstly surrounds the cable 20 around a cylinder 31 and passes the lock 10 through the ferrule 21 of the cable 20, followed by A key is inserted from the key hole 116 of the housing 11 to drive the lock core 153 to rotate, so that the driving rod 154 drives the sliding member 14 to embed the sliding member 14 against the convex portion 144. 12 corresponds to the groove 121. At this time, the inner edges of the two fasteners 12 abut against each other, so that the front ends of the two fasteners 12 can be extended into the casing 321 of the portable device 32. In the keyhole 322.

Referring to FIG. 6 further, the key is rotated to cause the driving rod 154 to drive the sliding member 14 so that the sliding member 14 is pushed away from the concave portion 144 of the fixing plate 12 to be clamped thereto. Between the inner edges of the two fastening plates 12. At this time, the distance between the outer side edges of the two fastening plates 12 is increased, and the locking protrusions 123 of the two fastening plates 12 are engaged with the inner side of the casing 321 of the portable device 32. The pad 17 can prevent the housing 11 from directly colliding with the casing 321 , so that the portable device 32 and the lock 10 can be locked to each other.

With the above-mentioned design, the portable device 32 only needs to reserve a space for the fastening protrusions 123 of the fastening plate 12 to be engaged on opposite sides of the locking hole 322 of the casing 321 , that is, The locking device of the locking device of the present invention can be locked to the portable device 32. Therefore, the locking device of the present invention can be applied to a thin portable device without being affected by the whole of the portable device 32. Limitation of thickness.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. The present invention has been described above by way of a preferred embodiment, but is not intended to limit the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of the technical solutions of the present invention without departing from the scope of the present invention. .

10‧‧‧Locks

11‧‧‧Shell

11A‧‧‧Base

11B‧‧‧Upper cover

116‧‧‧ keyhole

12‧‧‧Kart board

14‧‧‧Sliding parts

17‧‧‧ cushion

20‧‧‧ Cable

Claims (10)

A locking device for a portable device, comprising a lock and a cable, the lock comprising a casing, two fastening plates, two elastic members, a sliding member and a lock body, wherein the casing has a front end And a rear end, the housing is formed with a slot and a sliding slot, the slot extends through the front end of the housing, and the slot walls on the two sides of the slot are respectively recessed to form opposite slots, the slip The groove is formed between the rear end of the casing and the through groove; the two fastening plates are arranged side by side in parallel in the groove of the casing, and the fastening plate can be perpendicular to the front end and the rear end of the casing. The direction of the line and the arrangement direction of the two fastening plates are laterally moved, but cannot move back and forth along the connecting direction of the front end and the rear end of the housing. Each of the fixing plates is an elongated plate member and has a front end portion. An inner edge and an outer edge, the front end of the fastening plate protrudes from the front end of the housing, and the inner edge of the fastening plate is concavely formed with at least one groove, and the two fastening plates are The groove is correspondingly disposed, and an outer edge of the fastening plate is formed at a front end of the fixing plate The two elastic members are respectively disposed in the two receiving slots of the housing, and the two ends of each elastic member respectively abut the housing and the corresponding fixing plate, and the elastic member pushes against the two fastening members The plate is moved in the opposite direction; the sliding member is disposed in the housing, the sliding member has a head and an extension plate, the head is disposed in the sliding groove of the housing and can be along the front end of the housing The connecting line of the rear end moves back and forth. A driving groove is formed in the head. The extending plate extends from the head toward the front end of the housing and is stacked above the fixing plate. The extending plate has a rear end portion. a front end portion, a lower surface and at least one pushing protrusion, the rear end portion of the extension plate is connected to the head portion, and the front end portion of the extension plate protrudes from the front end of the housing from the housing, the pushing convex portion Formed on a lower surface of the extension plate and protruding between the two fastening plates, each pushing protrusion can be selectively embedded in a corresponding groove; the lock body is disposed in the housing The lock body has a driving rod, and the driving rod is disposed in a driving groove of the head of the sliding member and can drive the sliding member Connecting front and back direction of the back and forth movement of the housing; The cable is connected to the housing. The locking device of the portable device of claim 1, wherein a front surface of the housing is fixed with a cushion, and a front end portion of the front end portion of the fixing plate and the extending portion of the sliding member penetrates the cushion And protruding forward. The locking device of the portable device of claim 1, wherein at least one guiding slot is formed in the housing, and two ends of the guiding slot respectively extend toward a front end and a rear end of the housing, and the sliding member is The upper surface of the extension plate forms at least one guiding protrusion, and the guiding protrusion is slidably disposed in the guiding groove of the housing. The locking device of the portable device of claim 2, wherein at least one guiding slot is formed in the housing, and two ends of the guiding slot respectively extend toward the front end and the rear end of the housing, the sliding member The upper surface of the extension plate forms at least one guiding protrusion, and the guiding protrusion is slidably disposed in the guiding groove of the housing. The locking device of the portable device of claim 3 or 4, wherein the lock body has a lower bead seat and a lock core, the lower bead seat is fixed to the housing, and the lock core is rotatably Through the lower bead seat, the driving rod of the lock body is protruded and formed at an inner end of the lock core, and the driving rod is located at an eccentric position of the lock core. The locking device of the portable device of claim 5, wherein a limiting piece is disposed between the head of the sliding member and the lower bead seat, and the limiting piece is sleeved and fixed to the locking core. An inner end portion, the outer periphery of the limiting piece is radially concavely formed with an arc-shaped limiting groove, and the bottom surface of the lower bead seat is formed with a limiting convex portion, and the limiting convex portion protrudes from the limit In the limit slot of the film. The locking device of the portable device of claim 6, wherein the groove walls on both sides of the through hole of the casing are respectively concavely formed with opposite fitting grooves, and the outer edge of each of the fastening plates is formed. The utility model has an engaging convex portion which is embedded and fixed in two corresponding recessed grooves of the casing. The locking device of the portable device of claim 7, wherein the housing comprises a base and an upper cover, the base has an inner side, a front end and a rear end, and the slot is recessed. Formed on the inner side surface of the base and extending through the front end of the base, the sliding groove is concavely formed on the inner side surface of the base and located between the rear end of the base and the through groove, the upper cover has an inner side surface and a front end A rear end of the upper cover faces an inner side surface of the base, and the guide groove is concavely formed on an inner side surface of the upper cover, and two ends of the guide groove respectively extend toward a front end and a rear end of the upper cover. The locking device of the portable device of claim 5, wherein a top surface of the housing is formed with a key hole, and an outer end of the lock body protrudes between the key holes of the housing. The locking device of the portable device according to any one of claims 1 to 4, wherein one end of the cable is connected to the rear end of the casing, and the other end is provided with a ring.