A multifunctional lock

Abstract

The present invention provides a multifunctional lock, comprising a lock body, wherein a first lock hook and a second lock hook are relatively movable on the lock body, wherein the first lock hook comprises a first hook portion and a first connecting portion, wherein the first connecting portion is detachably connected to the first hook portion, wherein the first hook portion is mounted on the lock body via the first connecting portion, and the second lock hook comprises a second hook portion and a second connecting portion, wherein the second connecting portion is detachably connected to the second hook portion, wherein the second hook portion is mounted on the lock body via the second connecting portion, wherein a first lock arm extending outward is provided on one side of the lock body, wherein a second lock arm extending outward is provided on the other side of the lock body, wherein the first lock hook is adjustably mounted on the first lock arm, and wherein the second lock hook is movably connected to the second lock arm. The hook portion and the connecting portion of the present invention are detachably connected, wherein the size of the hook portion is replaceable, wherein the lock has good versatility, and wherein one lock can be used for multiple purposes, wherein the lock can be used for locking a door handle, and wherein the direction of the hook portion can be changed for locking a steering wheel, thereby reducing costs and being convenient and practical.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and in particular to a multifunctional lock. Background Art

[0002] A split door lock is a type of lock, which mainly includes a lock body and left and right guide rods, on which left and right guide rods are respectively provided with left and right hooks, which hook the left and right door handles when locking. However, in the existing split door locks, the hooks are integrally connected with the guide rods, and such a structure has poor versatility and can only be locked for door handles of a specific size. Summary of the invention

[0003] The present invention aims at the deficiencies in the prior art and provides a multifunctional lock, wherein the hook portion and the connecting portion are detachably connected, the size of the hook portion is replaceable, the versatility is good, and one lock can be used for multiple purposes, and can be used for locking a door handle, and the direction of the hook portion can also be changed for locking a steering wheel, thereby reducing costs and being convenient and practical.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A multifunctional lock comprises a lock body, on which a first lock hook and a second lock hook that are relatively movable are provided, the first lock hook comprises a first hook portion and a first connecting portion, the first connecting portion is detachably connected to the first hook portion, and the first hook portion is mounted on the lock body via the first connecting portion, the second lock hook comprises a second hook portion and a second connecting portion, the second connecting portion is detachably connected to the second hook portion, and the second hook portion is mounted on the lock body via the second connecting portion.

[0006] As a preferred solution, the second connecting portion is provided with a plurality of limiting portions distributed along its length direction, and the lock body is provided with a lock pin for limiting the movement of the second lock hook and a lock core for controlling the movement of the lock pin. When locking, the lock pin cooperates with the limiting portion to limit the movement of the second lock hook.

[0007] As a preferred solution, an inserting rod portion is provided at one end of the second connecting portion, and the limiting portion is provided on the inserting rod portion.

[0008] As a preferred solution, an alarm component is provided in the lock body, and the alarm component includes an alarm box, an induction circuit board and a speaker, a magnetic induction IC is provided on the induction circuit board, a rotating dial block for controlling the movement of the lock pin is provided at one end of the lock core, and a magnet corresponding to the magnetic induction IC is provided on the rotating dial block, an alarm circuit board, a trigger component and a battery pack are provided in the alarm box, and the alarm circuit board, the trigger component and the speaker are electrically connected to the battery pack, and a sound hole is provided on the outer surface of the lock body for sound to be transmitted outward, and when the lock is locked, the magnet is closest to the magnetic induction IC, so that the induction circuit board is turned on.

[0009] As a preferred embodiment, a first locking arm extending outward is provided on one side of the lock body, and a second locking arm extending outward is provided on the other side of the lock body. The first locking hook is adjustably mounted on the first locking arm, and the second locking hook is movably connected to the second locking arm.

[0010] As a preferred solution, the first locking arm is provided with a first sliding groove passing through its end surface, the first connecting part is adapted to the first sliding groove, and the first connecting part can be linearly slidably installed in the first sliding groove, the second locking arm is provided with a second sliding groove passing through its end surface, the second connecting part is adapted to the second sliding groove, and the second connecting part can be linearly slidably installed in the second sliding groove, and the first sliding groove and the second sliding groove respectively have openings for the first hook part and the second hook part to extend upward.

[0011] As a preferred solution, it also includes a limiting member for fixing the first hook portion, and a plurality of limiting grooves corresponding to the limiting member are provided on both sides of the opening of the first slide groove, and the plurality of limiting grooves are distributed along the length direction of the first locking arm. During assembly, the two ends of the limiting member are embedded in the limiting grooves, and the middle part of the limiting member is connected to the first connecting portion.

[0012] As a preferred solution, the first locking arm and the second locking arm are both integrally connected to the lock body, and the lengths of the first locking arm and the second locking arm are both greater than 100 mm.

[0013] As a preferred solution, it further comprises a locking handle, which is detachably connected to the second connecting portion.

[0014] As a preferred embodiment, one end of the second connecting part is provided with a through groove for inserting the locking handle, the second hook part is provided with a second threaded hole, the second connecting part is provided with a second mounting hole corresponding to the second threaded hole, the second mounting hole extends outward through the through groove, and the locking handle is provided with a through hole corresponding to the second mounting hole, and the second connecting part is detachably connected to the second hook part by means of bolts or screws that pass through the second mounting hole, the through hole and the second threaded hole in sequence and are screwed together.

[0015] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically,

[0016] 1. The hook part and the connecting part are detachably connected, so that hook parts of different sizes can be replaced to be suitable for door handles of different sizes, and the versatility is good;

[0017] 2. The hook and the connecting part can be made of different materials to reduce material costs;

[0018] 3. By setting a lock handle, the direction of the hook can be changed to lock the steering wheel. One lock can be used for multiple purposes, reducing costs and being convenient and practical.

[0019] 4. The first locking arm and the second locking arm can increase the strength of the lock, prevent it from being easily damaged, and improve the anti-theft performance. The position of the first lock hook can be adjusted according to the distance between the first and second door handles or the size of the steering wheel, and it has good versatility;

[0020] 5. The alarm component can realize the automatic alarm function to further improve the anti-theft performance.

[0021] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the assembly structure of an embodiment of the present invention;

[0023] Figure 2 It is a structural schematic diagram of another viewing angle of an embodiment of the present invention;

[0024] Figure 3 It is an exploded schematic diagram of an embodiment of the present invention;

[0025] Figure 4 is a schematic diagram of the first locking hook structure of an embodiment of the present invention;

[0026] Figure 5 is an exploded schematic diagram of a first locking hook according to an embodiment of the present invention;

[0027] Figure 6 is a schematic diagram of the second locking hook structure of an embodiment of the present invention;

[0028] Figure 7 is an exploded schematic diagram of a second locking hook according to an embodiment of the present invention;

[0029] Figure 8 is a schematic structural diagram of the second locking hook from another perspective of an embodiment of the present invention;

[0030] Fig. 9 It is a top view of a door handle in a locked state according to an embodiment of the present invention;

[0031] Fig.10 yes Fig. 9 Schematic diagram of the cross section at AA in the middle;

[0032] Fig.11 is a schematic diagram of an assembly structure of another embodiment of the present invention;

[0033] Fig.12 is a schematic diagram of the second locking hook structure of another embodiment of the present invention;

[0034] Fig.13 is an exploded schematic diagram of a second locking hook according to another embodiment of the present invention;

[0035] Fig.14 This is a reference diagram of another embodiment of the present invention for a steering wheel in use.

[0036] Description of the accompanying drawings:

[0037] 10-lock body; 101-installation slot; 102-accommodation slot;

[0038] 11-first locking arm; 111-limiting groove; 12-second locking arm;

[0039] 121-limiting pin; 13-first slide slot; 14-second slide slot;

[0040] 15-limiting piece; 16-screw; 17-cover plate;

[0041] 18-sounding hole; 20-first locking hook; 21-first hook portion;

[0042] 211-first positioning groove; 212-first threaded hole; 22-first connecting portion;

[0043] 221-first accommodating groove; 222-first mounting hole; 223-giving groove;

[0044] 23-bolt; 24-first plugging cover; 25-second locking hook;

[0045] 26-second hook; 261-second positioning groove; 262-second threaded hole;

[0046] 27-second connecting portion; 271-second receiving groove; 272-second mounting hole;

[0047] 273-limiting groove; 274-second blocking cover; 275-through groove;

[0048] 28-insertion rod; 281-one-way limit slot; 29-locking handle;

[0049] 291-through hole; 30-lock cylinder; 31-rotating dial block;

[0050] 32-magnet; 33-reset spring; 34-lock pin;

[0051] 35-alarm box; 36-speaker; 40-left door handle;

[0052] 41-right door handle; 43-steering wheel. DETAILED DESCRIPTION

[0053] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "first", "second", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0054] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] like Figure 1-10 As shown, a multifunctional lock comprises a lock body 10, wherein the lock body 10 is provided with a first lock hook 20 and a second lock hook 25 which are relatively movable, wherein the first lock hook 20 comprises a first hook portion 21 and a first connecting portion 22, wherein the first connecting portion 22 is detachably connected to the first hook portion 21, wherein the first hook portion 21 is mounted on the lock body 10 via the first connecting portion 22, wherein the second lock hook 25 comprises a second hook portion 26 and a second connecting portion 27, wherein the second connecting portion 27 is detachably connected to the second hook portion 26, wherein the second hook portion 26 is mounted on the lock body 10 via the second connecting portion 27, wherein the second connecting portion 27 is provided with a plurality of limiting portions distributed along its length direction, wherein the lock body 10 is provided with a first locking hook 20 and a second locking hook 25 for limiting the locking of the first lock hook 20 and the second locking hook 25. The second lock hook 25 comprises a movable lock pin 34 and a lock core 30 for controlling the movement of the lock pin 34. One end of the second connecting portion 27 is provided with an inserting rod portion 28. The limiting portion is provided on the inserting rod portion 28. The lock body 10 is provided with a mounting groove 101. The lock pin 34 is installed in the mounting groove 101. A return spring 33 is provided between the lock pin 34 and the bottom of the mounting groove 101. When locking, the first lock hook 20 and the second lock hook 25 hook the left door handle 40 and the right door handle 41 respectively. The cooperation between the lock pin 34 and the limiting portion limits the movement of the second lock hook 25. The limiting portion is a one-way limiting slot 281. One end of the lock pin 34 is inserted into the one-way limiting slot 281 to limit the second lock hook 25 from being pulled out.

[0056] One side of the lock body 10 is provided with a first locking arm 11 extending outward, and the other side of the lock body 10 is provided with a second locking arm 12 extending outward, the first locking hook 20 can be linearly adjusted and installed on the first locking arm 11, the second locking hook 25 is movably connected to the second locking arm 12, the first locking arm 11 is provided with a first sliding groove 13 running through its end surface, the first connecting portion 22 is adapted to the first sliding groove 13, the first connecting portion 22 can be linearly slidably installed in the first sliding groove 13, the second locking arm 12 is provided with a second sliding groove 14 running through its end surface, the second connecting portion 27 is adapted to the second sliding groove 14, the second connecting portion 27 can be linearly slidably installed in the second sliding groove 14, the first sliding groove 13 and the second sliding groove 14 respectively have openings for the first hook 21 and the second hook 26 to extend upward, the first sliding groove 13 and the second sliding groove 14 The cross-sections of the first connecting portion 22 and the second connecting portion 27 are both inverted T-shaped. The first locking arm 11 and the second locking arm 12 are both integrally connected to the lock body 10. The lengths d of the first locking arm 11 and the second locking arm 12 are both greater than 100 mm. The first connecting portion 22 is provided with a clearance groove 223 for the insertion rod portion 28 to extend into at one end facing the second connecting portion 27. The second connecting portion 27 is provided with a limiting groove 273, and the limiting groove 273 extends along the movement direction of the second connecting portion 27. The second locking arm 12 is provided with a limiting pin 121 corresponding to the limiting groove 273. During assembly, the protruding end of the limiting pin 121 extends into the limiting groove 273. By setting the limiting groove 273 and the limiting pin 121, the second lock hook 25 can be prevented from disengaging from the second locking arm 12 when unlocking, so that locking is quick and convenient.

[0057] It also includes a limiting member 15 for fixing the first hook portion 21. A plurality of limiting grooves 111 corresponding to the limiting member 15 are provided on both sides of the opening of the first slide groove 13. The plurality of limiting grooves 111 are distributed along the length direction of the first locking arm 11. During assembly, the two ends of the limiting member 15 are embedded in the limiting grooves 111, and the middle part of the limiting member 15 is fixedly connected to the first connecting portion 22 by screws 16.

[0058] It should be noted that, in the present embodiment, the rod insertion portion 28 and the second connection portion 27 may be integrally connected, or may be detachably connected via a screw, and the screw may also be replaced by a bolt.

[0059] The first hook portion 21 is provided with a first positioning groove 211, the first connecting portion 22 is provided with a first positioning block (not shown) corresponding to the first positioning groove 211, the second hook portion 26 is provided with a second positioning groove 261, the second connecting portion 27 is provided with a second positioning block (not shown) corresponding to the second positioning groove 261, the openings of the first positioning groove 211 and the second positioning groove 261 are both downward, the first positioning groove 211 is provided with a first threaded hole 212, the lower surface of the first connecting portion 22 is provided with a first accommodating groove 221, the first accommodating groove 221 is provided with a first mounting hole 222 corresponding to the first threaded hole 212, and the first A second threaded hole 262 is provided in the second positioning groove 261, a second accommodating groove 271 is provided on the lower surface of the second connecting portion 27, a second mounting hole 272 corresponding to the second threaded hole 262 is provided in the second accommodating groove 271, the first connecting portion 22 is detachably connected to the first hook portion 21 by means of a bolt 23 passing through the first mounting hole 222 and screwing into the first threaded hole 212, the second connecting portion 27 is detachably connected to the second hook portion 26 by means of a bolt 23 passing through the second mounting hole 272 and screwing into the second threaded hole 262, and a first blocking cover 24 and a second blocking cover 274 are respectively provided in the openings of the first accommodating groove 221 and the second accommodating groove 271.

[0060] The lock body 10 is provided with an alarm component, which includes an alarm box 35, an induction circuit board (not shown) and a speaker 36. A magnetic induction IC is provided on the induction circuit board. A rotating dial block 31 for controlling the movement of a lock pin 34 is provided at one end of the lock cylinder 30. A magnet 32 ​​corresponding to the magnetic induction IC is provided on the rotating dial block 31. An alarm circuit board (not shown), a trigger component (not shown) and a battery pack (not shown) are provided in the alarm box 35. The alarm circuit board, the trigger component and the speaker 36 are all electrically connected to the battery pack. A receiving groove 102 for installing the alarm component is provided in the lock body 10. A cover plate 17 is provided in the opening of the receiving groove 102. A sound hole 18 for transmitting sound outward is provided on the cover plate 17. The trigger component is a vibration sensor. When the lock is locked, the magnet 32 ​​is closest to the magnetic induction IC, so that the induction circuit board is turned on. When the lock body 10 is damaged by the outside, the vibration sensor detects the vibration, sends an alarm signal to the alarm circuit board, and causes the speaker 36 to sound an alarm. The battery pack is replaceable.

[0061] like Figure 11-14As shown, another embodiment of the present invention is different from the above embodiment in that it also includes a locking handle 29, which is arranged on the side of the second connecting part 27 opposite to the insertion rod part 28, and the locking handle 29 is detachably connected to the second connecting part 27. One end of the second connecting part 27 is provided with a through groove 275 for inserting the locking handle 29, and the through groove 275 extends along the movement direction of the second connecting part 27. The locking handle 29 is provided with a through hole 291 corresponding to the aforementioned second mounting hole 272. During assembly, the second connecting part 27 is detachably connected to the second hook 26 by means of a bolt 23 that passes through the second mounting hole 272, the through hole 291 and the second threaded hole 262 in sequence. When used to lock the steering wheel 43, the openings of the first hook 21 and the second hook 26 are relatively facing outward, so that the first hook 21 and the second hook 26 are respectively stuck on the steering wheel 43.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made to the above embodiment based on the technical practice of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A multifunctional lock, characterized in that: The invention comprises a lock body, wherein a first lock hook and a second lock hook are provided on the lock body and are relatively movable, wherein the first lock hook comprises a first hook portion and a first connecting portion, wherein the first connecting portion is detachably connected to the first hook portion, and the first hook portion is mounted on the lock body via the first connecting portion, and the second lock hook comprises a second hook portion and a second connecting portion, wherein the second connecting portion is detachably connected to the second hook portion, and the second hook portion is mounted on the lock body via the second connecting portion; The first hook portion is provided with a first positioning groove, the first connecting portion is provided with a first positioning block corresponding to the first positioning groove, the first positioning groove is provided with a first threaded hole, the lower surface of the first connecting portion is provided with a first receiving groove, the first receiving groove is provided with a first mounting hole corresponding to the first threaded hole, and the first connecting portion is detachably connected to the first hook portion by a bolt passing through the first mounting hole and screwing into the first threaded hole; The second hook portion is provided with a second positioning groove, the second connecting portion is provided with a second positioning block corresponding to the second positioning groove, the second positioning groove is provided with a second threaded hole, the lower surface of the second connecting portion is provided with a second accommodating groove, the second accommodating groove is provided with a second mounting hole corresponding to the second threaded hole, and the second connecting portion is detachably connected to the second hook portion by a bolt passing through the second mounting hole and screwing into the second threaded hole.

2. A multifunctional lock according to claim 1, characterized in that: The second connecting portion is provided with a plurality of limiting portions distributed along its length direction, and the lock body is provided with a lock pin for limiting the movement of the second lock hook and a lock core for controlling the movement of the lock pin. When locking, the lock pin cooperates with the limiting portion to limit the movement of the second lock hook.

3. A multifunctional lock according to claim 2, characterized in that: An inserting rod portion is disposed at one end of the second connecting portion, and the limiting portion is disposed on the inserting rod portion.

4. A multifunctional lock according to claim 2, characterized in that: An alarm component is provided in the lock body, and the alarm component includes an alarm box, an induction circuit board and a speaker. A magnetic induction IC is provided on the induction circuit board. A rotating dial block for controlling the movement of the lock pin is provided at one end of the lock core. A magnet corresponding to the magnetic induction IC is provided on the rotating dial block. An alarm circuit board, a trigger component and a battery pack are provided in the alarm box. The alarm circuit board, the trigger component and the speaker are electrically connected to the battery pack. A sound hole for transmitting sound is provided on the outer surface of the lock body. When the lock is locked, the magnet is closest to the magnetic induction IC, so that the induction circuit board is turned on.

5. A multifunctional lock according to claim 1, characterized in that: A first locking arm extending outward is provided on one side of the lock body, and a second locking arm extending outward is provided on the other side of the lock body. The first locking hook is adjustably mounted on the first locking arm, and the second locking hook is movably connected to the second locking arm.

6. A multifunctional lock according to claim 5, characterized in that: The first locking arm is provided with a first sliding groove passing through its end surface, the first connecting part is adapted to the first sliding groove, and the first connecting part can be linearly slidably installed in the first sliding groove, the second locking arm is provided with a second sliding groove passing through its end surface, the second connecting part is adapted to the second sliding groove, and the second connecting part can be linearly slidably installed in the second sliding groove, and the first sliding groove and the second sliding groove respectively have openings for the first hook and the second hook to extend upward.

7. A multifunctional lock according to claim 6, characterized in that: It also includes a limiting member for fixing the first hook portion, and a plurality of limiting grooves corresponding to the limiting member are provided on both sides of the opening of the first slide groove, and the plurality of limiting grooves are distributed along the length direction of the first locking arm. During assembly, the two ends of the limiting member are embedded in the limiting grooves, and the middle part of the limiting member is connected to the first connecting portion.

8. A multifunctional lock according to claim 5, characterized in that: The first locking arm and the second locking arm are both integrally connected to the lock body, and the lengths of the first locking arm and the second locking arm are both greater than 100 mm.

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