Anti-theft lock with alarm function

Abstract

The utility model relates to the technical field of anti-theft locks, in particular to an anti-theft lock with an alarm function, which comprises a handle and a fixed handcuff ring fixedly arranged on the handle, and one end of the fixed handcuff ring far away from the handle is rotatably connected with a movable handcuff ring; an alarm assembly is arranged in the handle and comprises a button, a circuit board and an alarm, the circuit board is electrically connected with the button and the alarm, and a first through hole is formed in the position, corresponding to the button, of the handle, so that an external object can penetrate through the first through hole and make contact with the button; the circuit board receives information transmitted by the button and then drives the alarm to be turned on or turned off. Therefore, when the alarm is started, if someone touches the anti-theft lock, the alarm can be given out, and the anti-theft effect can be better achieved. And the end part of the movable handcuff ring is positioned between the through hole I and the button, so that external articles are prevented from being contacted with the button, and the external articles are prevented from being contacted with the button after the handcuff lock anti-theft lock is locked.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-theft locks, in particular to an anti-theft lock with an alarm function. Background Art

[0002] An anti-theft lock is a lock with an anti-theft function, and there are different types. Among them is a handcuff lock, which is a handcuff-like anti-theft lock used to prevent a means of transportation such as a bicycle from being stolen, and its structure is a lock cylinder, a limiter, a fixed handcuff ring and a movable handcuff ring, and the movable handcuff ring is provided with a handcuff groove that matches the limiter, and the lock cylinder is used to control the movement of the limiter. When the limiter matches the handcuff groove and the limiter is restricted by the lock cylinder, the handcuff lock is locked, otherwise the limiter is not restricted by the lock cylinder, and the movable handcuff ring can move.

[0003] Meanwhile, the existing handcuff locks can only prevent theft by locking and do not have an alarm device, so the only way to prevent theft is through a mechanical structure. However, if someone pries the lock, the handcuff lock itself will not sound an alarm. Therefore, if the prying succeeds, the means of transportation will be stolen, so a handcuff lock with an alarm is needed. Summary of the invention

[0004] The utility model aims to provide an anti-theft lock with an alarm function, by which an external object passes through a through hole and contacts a button, so that the circuit board receives information transmitted by the button and then drives the alarm to be turned on or off. When the alarm is turned on, if someone touches the handcuff lock, an alarm will be sounded, thereby solving the problem that the existing handcuff lock has no alarm device.

[0005] The purpose of the utility model is achieved in this way:

[0006] An anti-theft lock with an alarm function comprises a handle and a fixed cuff ring fixedly arranged on the handle, wherein the fixed cuff ring is rotatably connected with a movable cuff ring at one end away from the handle;

[0007] An alarm component is arranged in the handle, and the alarm component includes a button, a circuit board and an alarm, and the circuit board is electrically connected to the button and the alarm respectively, and a through hole 1 is opened in the handle corresponding to the button, so that foreign objects can pass through the through hole 1 and contact the button. When the foreign object contacts the button, the circuit board receives the information transmitted by the button and then drives the alarm to be turned on or off;

[0008] A side opening is provided on one side of the handle so that the end of the movable cuff ring can enter the handle, and the end of the movable cuff ring is located between the through hole 1 and the button and is used to prevent foreign objects from contacting the button. The movable cuff ring is rotated so that the movable cuff ring is located outside the handle and no longer prevented.

[0009] Preferably, a mounting groove is provided on the inner wall of the handle, and a detachable cover is provided at the opening of the mounting groove, and the alarm component is located between the mounting groove and the cover, and the cover is provided with a hole to expose the button.

[0010] Preferably, the alarm assembly further comprises a mounting member 1 and a mounting member 2, and the alarm is arranged between the mounting member 1 and the cover plate, and a power source is arranged between the mounting slot and the mounting member 2;

[0011] Or / and, a buckle is arranged on the peripheral side of the cover plate, and a clamping groove is opened on the inner wall of the installation groove corresponding to the buckle.

[0012] Preferably, a lock core is arranged in the handle, and the lock core is a key lock core or a password lock core.

[0013] Preferably, the handle is provided with a through hole three connecting at least two directions on one side of the alarm, and the handle is provided with through hole four and through hole five on the front and rear sides of through hole three respectively, and through hole four and through hole five are both connected with through hole three, and through hole four is connected with the inner side of the handle so as to be used as the sound outlet of the alarm.

[0014] Preferably, at least one cuff groove is provided on the outer side of the movable cuff ring, and a lock core unlocked by a key and a movable limiter are provided in the handle, and the top of the limiter is located in the cuff groove, and a notch is provided on one side of the limiter;

[0015] The lock core is rotatable and is provided with a lock cap, and a plane is formed on one side of the lock cap, and the lock cap is located in the notch. When the plane is set upward, the limit piece is movable and the movable cuff ring is rotatable. By inserting the key into the lock core and turning the key, the rotation of the key drives the lock core to rotate, and the direction of the plane changes, thereby limiting the movement of the limit piece, and then limiting the rotation of the movable cuff ring.

[0016] Preferably, a mounting block is provided in the handle, and a groove is provided in the mounting block, and one end of the groove is open so that the top of the limiting member can pass through, one end of the limiting member is located in the handcuff groove, and the other end of the limiting member is located in the groove, and an elastic member is provided between the limiting member and the groove.

[0017] Preferably, the fixed cuff ring comprises a front plate and a rear plate, and the front plate and the rear plate both comprise a cuff ring and a connecting plate, and the cuff rings of the front plate and the rear plate both pass through the handle to be exposed, the front plate and the rear plate both have through hole two corresponding to through hole one, and a lock core and a limiter are arranged between the connecting plates of the front plate and the rear plate, and a connecting block is arranged between the cuff rings of the front plate and the rear plate, and a protective cover one is sleeved on the part of the fixed cuff ring located outside the handle;

[0018] The handle comprises a front shell and a rear shell, a connecting plate of the front plate and the rear plate is arranged between the front shell and the rear shell, and a through hole 1 is opened in the front shell.

[0019] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0020] The utility model allows foreign objects to pass through the through hole and contact the button, so that the circuit board receives the information transmitted by the button and drives the alarm to be turned on or off. When the alarm is turned on, if someone touches the handcuff lock, an alarm will be sounded, thereby better preventing theft.

[0021] Moreover, the end of the movable handcuff ring is located between the through hole 1 and the button, thereby preventing foreign objects from contacting the button. Therefore, when the handcuff lock anti-theft lock is locked, foreign objects are prevented from contacting the button. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is a schematic structural diagram of the cross-section of the utility model.

[0024] Figure 3 It is a schematic diagram of the structure of the utility model after being disassembled.

[0025] Figure 4 This is a structural diagram related to the alarm component.

[0026] Figure 5 It is a schematic diagram of the structure related to the fixed handcuff ring.

[0027] Figure 6 It is a schematic diagram of the structure related to the limiter.

[0028] Reference numerals: 1-handle; 11-through hole 1; 12-side opening; 13-installation slot; 131-clamping slot;

[0029] 132- partition; 14- through hole three; 15- cover plate; 151- hole; 152- buckle; 16- through hole five;

[0030] 17-front shell; 18-rear shell; 19-through hole four; 2-fixing cuff ring; 21-front plate; 22-rear plate;

[0031] 23-cuff ring; 24-connecting plate; 25-connecting block; 26-protective cover 1; 27-through hole 2; 3-movable cuff ring;

[0032] 31-cuff groove; 32-arc plate; 33-protective cover 2; 4-button; 5-mounting piece 1; 6-mounting piece 2;

[0033] 7-lock cylinder; 71-lock cap; 72-plane; 8-limiting member; 81-notch; 82-butting surface; 9-mounting block;

[0034] 91-groove rail; 911-protrusion; 10-connecting piece. DETAILED DESCRIPTION

[0035] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0036] like Figure 1-Figure 6 As shown, an anti-theft lock with an alarm function comprises a handle 1 and a fixed cuff ring 2 fixedly arranged on the handle 1 , and the fixed cuff ring 2 is rotatably connected to a movable cuff ring 3 at one end away from the handle 1 .

[0037] At the same time, an alarm component is arranged in the handle 1, and the alarm component includes a button 4, a circuit board and an alarm, and the circuit board is electrically connected to the button 4 and the alarm respectively, and a through hole 11 is opened in the handle 1 corresponding to the button 4, so that foreign objects can pass through the through hole 11 and contact the button 4.

[0038] Therefore, in actual use, when an external object contacts the button 4, the circuit board receives the information transmitted by the button 4 and drives the alarm to be turned on or off. Therefore, when the alarm is turned on, if someone touches the handcuff lock, an alarm will be sounded, thereby better preventing theft.

[0039] Moreover, the handcuff lock is locked by a lock core 7, so a lock core 7 is arranged in the handle 1, and the lock core 7 is a key lock core or a password lock core.

[0040] Therefore, the external object can be a key, just when the handcuffs need to be locked, the alarm is activated first, and then the lock is closed, and after unlocking, the alarm can be turned off again by contacting the key with the button 4. Of course, the external object can also be other objects, such as an object of a certain length carried with you, as long as it can pass through and touch the button 4.

[0041] like Figure 2 As shown, a side opening 12 is provided on one side of the handle 1 so that the end of the movable cuff ring 3 can enter the handle 1, and the end of the movable cuff ring 3 is located between the through hole 11 and the button 4 and is used to prevent foreign objects from contacting the button 4. By rotating the movable cuff ring 3, the movable cuff ring 3 is located outside the handle 1 and is no longer prevented.

[0042] Therefore, in actual use, the end of the movable cuff ring 3 is located between the through hole 11 and the button 4, thereby preventing foreign objects from contacting the button 4. Therefore, when the handcuffs are locked, foreign objects are prevented from contacting the button 4. After unlocking, the movable cuff ring 3 can be rotated so that the movable cuff ring 3 is located outside the handle 1. At this time, the movable cuff ring 3 no longer isolates foreign objects from the button 4, and foreign objects can then contact the button 4.

[0043] And the other side of the handle 1 is also provided with an opening so that the end of the movable cuff ring 3 can pass through the inner side of the handle 1 and then pass out.

[0044] like Figure 3-Figure 4 As shown, a mounting groove 13 is formed on the inner wall of the handle 1, and a detachable cover 15 is provided at the opening of the mounting groove 13, and the alarm component is located between the mounting groove 13 and the cover 15, and the cover 15 is formed with a hole 151 to expose the button 4.

[0045] Therefore, in actual use, the alarm component is isolated and protected by the provision of the cover plate 15. Secondly, the cover plate 15 is detachable, so as to facilitate the later replacement of the internal structure and maintenance.

[0046] The detachable structure is as follows: firstly, a buckle 152 is arranged on the peripheral side of the cover plate 15 , and a clamping groove 131 is opened on the inner wall of the installation groove 13 corresponding to the buckle 152 .

[0047] Therefore, in actual use, the cover plate 15 can be installed at the opening of the installation groove 13 by adapting the buckle 152 to the clamping groove 131, and the cover plate 15 can be removed by applying a large force.

[0048] In order to ensure better sealing, a sealing member is provided between the cover plate 15 and the opening of the mounting groove 13 .

[0049] At the same time, the alarm assembly also includes a mounting member 1 5 and a mounting member 2 6, and the alarm is arranged between the mounting member 1 5 and the cover plate 15, and a power supply is arranged between the mounting slot 13 and the mounting member 2 6. Moreover, the mounting slot 13 is also provided with a partition 132 between the mounting member 1 5 and the mounting member 2 6, so as to isolate and avoid mutual interference.

[0050] like Figure 1-Figure 2 As shown, the handle 1 is provided with a through hole three 14 connecting at least two directions on one side of the alarm, and the handle 1 is provided with a through hole four 19 and a through hole five 16 on the front and rear sides of the through hole three 14, respectively, and the through hole four 19 and the through hole five 16 are both connected with the through hole three 14, and the through hole four 19 is connected with the inner side of the handle 1 so as to be used as the sound outlet of the alarm.

[0051] Therefore, in actual use, by setting the through hole five 16 and the through hole three 14, multiple sound sources can be realized, thereby expanding the volume and propagation range of the alarm sound.

[0052] like Figure 1-Figure 6As shown, when the lock core 7 is a key lock core, the structure related to the lock core 7 is as follows: first, at least one handcuff groove 31 is provided on the outer side of the movable handcuff ring 3, and the lock core 7 unlocked by a key and a movable stopper 8 are provided in the handle 1, and the top of the stopper 8 is located in the handcuff groove 31, and a notch 81 is provided on one side of the stopper 8. At the same time, the lock core 7 is rotatable and provided with a lock cap 71, and a plane 72 is formed on one side of the lock cap 71, and the lock cap 71 is located in the notch 81.

[0053] Therefore, in actual use, when the plane 72 is set upward, the limit member 8 can be moved and the movable cuff ring 3 can be rotated, and then the key is inserted into the lock cylinder 7 and turned. At this time, the rotation of the key drives the lock cylinder 7 to rotate, and the direction of the plane 72 changes, thereby limiting the movement of the limit member 8, and then limiting the rotation of the movable cuff ring 3.

[0054] Among them, a mounting block 9 is arranged in the handle 1, and a groove rail 91 is opened in the mounting block 9, and one end of the groove rail 91 is open so that the top of the limiting member 8 can pass through, and one end of the limiting member 8 is located in the handcuff groove 31, and the other end of the limiting member 8 is located in the groove rail 91 and an elastic member is arranged between the groove rail 91.

[0055] Therefore, during actual use, the limiting member 8 moves in the groove rail 91 and can be reset by the elastic member.

[0056] Moreover, a protrusion 911 is provided on the inner wall of the groove rail 91 , and a contact surface 82 is provided on the side of the limiting member 8 away from the lock core 7 , so that the limiting member 8 can be restricted by the contact between the protrusion 911 and the contact surface 82 , thereby preventing the limiting member 8 from escaping from the groove rail 91 .

[0057] like Figure 1-Figure 6 As shown, the structure of the fixed cuff ring 2 is: first, the fixed cuff ring 2 includes a front plate 21 and a back plate 22, and the front plate 21 and the back plate 22 both include a cuff ring 23 and a connecting plate 24, and the cuff rings 23 of the front plate 21 and the back plate 22 both pass through the handle 1 and are exposed, and the front plate 21 and the back plate 22 both have through holes 27 corresponding to the through holes 11, and a lock core 7 and a limiting member 8 are provided between the connecting plates 24 of the front plate 21 and the back plate 22, and a connecting block 25 is provided between the cuff rings 23 of the front plate 21 and the back plate 22, and a protective cover 26 is provided on the part of the fixed cuff ring 2 located outside the handle 1.

[0058] Meanwhile, the handle 1 comprises a front shell 17 and a rear shell 18 , and a connecting plate 24 of a front plate 21 and a rear plate 22 is arranged between the front shell 17 and the rear shell 18 , and a through hole 11 is opened in the front shell 17 .

[0059] Therefore, in actual use, the setting of the connecting plate 24 facilitates the installation of the fixed cuff ring 2, and the setting of the front plate 21 and the rear plate 22 as well as the front shell 17 and the rear shell 18 achieves double protection, thereby better protecting the internal structure.

[0060] Secondly, the connecting block 25 mainly plays a supporting and filling role. Secondly, the connecting column and hole connection structure adopted between the connecting block 25 and the handcuff ring 23, and the setting of the protective cover 26 can prevent the user from being scratched and also protect the handcuff ring 23.

[0061] like Figure 1-Figure 6 As shown, the structure of the movable cuff ring 3 is as follows: first, the movable cuff ring 3 includes an arc-shaped plate 32 and a protective cover 33 sleeved on the outer side of the arc-shaped plate 32 .

[0062] The lock core 7 has the following structure: first, a connecting piece 10 is sleeved on the outer side of the lock core 7 , and the connecting piece 10 is located between the front plate 21 and the rear plate 22 and connected to the front plate 21 and the rear plate 22 .

[0063] And the connections between many parts of the utility model are mostly connected by screws, such as between the front shell 17 and the front plate 21 and between the rear shell 18 and the rear plate 22, etc., and secondly, there are also shaft connections, such as the arc-shaped plates 32 of the movable cuff ring 3 can be two, and the two are connected by shafts, and there are also clamping connections, such as the front shell 17 and the rear shell 18 are adapted to the matching of convex strips and grooves.

[0064] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. At the same time, the utility model is not limited by the above embodiments, so without departing from the principle and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model claimed for protection.

Claims

1. An anti-theft lock with an alarm function, characterized in that: It comprises a handle (1) and a fixed cuff ring (2) fixedly arranged on the handle (1), wherein the fixed cuff ring (2) is rotatably connected to a movable cuff ring (3) at one end away from the handle (1); An alarm component is arranged in the handle (1), and the alarm component comprises a button (4), a circuit board and an alarm, and the circuit board is electrically connected to the button (4) and the alarm respectively. The handle (1) is provided with a through hole (11) corresponding to the button (4), so that foreign objects can pass through the through hole (11) and contact the button (4). When the foreign object contacts the button (4), the circuit board receives information transmitted by the button (4) and drives the alarm to be turned on or off; The handle (1) is provided with a side opening (12) so that the end of the movable cuff ring (3) can enter the handle (1), and the end of the movable cuff ring (3) is located between the first through hole (11) and the button (4) and is used to prevent foreign objects from contacting the button (4). By rotating the movable cuff ring (3), the movable cuff ring (3) is located outside the handle (1) and is no longer prevented.

2. The anti-theft lock with alarm function according to claim 1, characterized in that: The handle (1) has an inner wall provided with a mounting groove (13), and a detachable cover plate (15) is provided at the opening of the mounting groove (13), the alarm component is located between the mounting groove (13) and the cover plate (15), and the cover plate (15) has a hole (151) for exposing the button (4).

3. The anti-theft lock with alarm function according to claim 2, characterized in that: The alarm assembly further comprises a mounting member 1 (5) and a mounting member 2 (6), and the alarm is arranged between the mounting member 1 (5) and the cover plate (15), and a power source is arranged between the mounting groove (13) and the mounting member 2 (6); Or / and, a buckle (152) is provided on the peripheral side of the cover plate (15), and a clamping groove (131) is provided on the inner wall of the installation groove (13) corresponding to the buckle (152).

4. An anti-theft lock with an alarm function according to any one of claims 1 to 3, characterized in that: A lock core (7) is arranged in the handle (1), and the lock core (7) is a key lock core or a password lock core.

5. The anti-theft lock with alarm function according to any one of claims 1 to 3, characterized in that: The handle (1) is provided with a through hole three (14) on one side of the alarm, which is connected in at least two directions, and the handle (1) is provided with through hole four (19) and through hole five (16) on the front and rear sides of through hole three (14), respectively, and through hole four (19) and through hole five (16) are both connected to through hole three (14), and through hole four (19) is connected to the inner side of the handle (1) so as to be used as a sound outlet of the alarm.

6. An anti-theft lock with alarm function according to any one of claims 1 to 3, characterized in that: The movable cuff ring (3) is provided with at least one cuff groove (31) on the outside, and a lock core (7) unlocked by a key and a movable limiting member (8) are provided in the handle (1), and the top of the limiting member (8) is located in the cuff groove (31), and a notch (81) is provided on one side of the limiting member (8); The lock core (7) is rotatable and is provided with a lock cap (71), and a plane (72) is formed on one side of the lock cap (71), and the lock cap (71) is located in the notch (81). When the plane (72) is arranged upward, the limiter (8) is movable and the movable cuff ring (3) is rotatable. By inserting a key into the lock core (7) and turning the key, the rotation of the key drives the lock core (7) to rotate, and the orientation of the plane (72) changes, thereby limiting the movement of the limiter (8), and further limiting the rotation of the movable cuff ring (3).

7. The anti-theft lock with alarm function according to claim 6, characterized in that: A mounting block (9) is arranged in the handle (1), and the mounting block (9) is provided with a groove rail (91), and one end of the groove rail (91) is open so as to allow the top of the limiting member (8) to pass through, one end of the limiting member (8) is located in the handcuff groove (31), and the other end of the limiting member (8) is located in the groove rail (91), and an elastic member is arranged between the limiting member (8) and the groove rail (91).

8. The anti-theft lock with alarm function according to claim 6, characterized in that: The fixed cuff ring (2) comprises a front plate (21) and a rear plate (22), and the front plate (21) and the rear plate (22) both comprise a cuff ring (23) and a connecting plate (24), and the cuff rings (23) of the front plate (21) and the rear plate (22) both pass through the handle (1) to be exposed, the front plate (21) and the rear plate (22) both have through holes (27) corresponding to the through holes (11), and a lock core (7) and a stopper (8) are arranged between the connecting plates (24) of the front plate (21) and the rear plate (22), and a connecting block (25) is arranged between the cuff rings (23) of the front plate (21) and the rear plate (22), and a protective cover (26) is provided on a portion of the fixed cuff ring (2) located outside the handle (1); The handle (1) comprises a front shell (17) and a rear shell (18), a connecting plate (24) of a front plate (21) and a rear plate (22) is provided between the front shell (17) and the rear shell (18), and a through hole (11) is provided in the front shell (17).

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