JP6600807B1 - Multi-lock with enhanced safety performance - Google Patents

Abstract

The present invention discloses a multi-lock with enhanced safety performance. An open chamber is provided in the main body, and an open chamber is provided in the open body, and a personal identification number sliding door part is provided in the open chamber. Reasonable and clever, easy to use, the PIN code lock is the primary protection, the safety performance of the lock is greatly improved, and the key in the insertion chamber can be locked by closing the sliding door. Improve safety performance and have high use value and spread value. [Selection] Figure 1

Description

The present invention is a multi-lock which takes up the field of lock technology and specifically has enhanced safety performance.

    Since the keyhole of the lock in the prior art is exposed to the outside, it is easily blocked by a malicious person and can be easily opened by the master key, so there is a defect in the safety protection performance.

Chinese Patent Application No. 104420722

An object of the present invention is to provide a multi-lock with enhanced safety performance and to solve the above-mentioned drawbacks in the prior art.

    In order to achieve the above object, the present invention provides the following technical plan: The multi-lock with enhanced safety performance of the embodiment of the present invention includes a main body, and the main body has a front opening. A chamber is provided, a password sliding door part is provided in the opening chamber, a genuine locking part is provided in the rear side wall of the opening chamber, and the unlocking part and safety part are provided in the opening chamber. Including a lock part, the safety lock part including a vertically symmetrical and front opening insertion chamber installed on the rear side of the opening chamber, and a first sensitive block in the rear side wall of the insertion chamber Is fixedly provided, and a first empty chamber is provided in communication with a lower wall of the insertion chamber, and a first pulley that engages with a lower end of the key rotates in the first empty chamber. A second pulley capable of rotating is connected to the rear side of the first pulley, and a second empty chamber communicating with the first empty chamber is provided in the rear side wall of the insertion chamber, An anti-theft slider that engages with the second pulley is slidably mounted in the second empty chamber, and a first anti-theft shaft is rotatably mounted on the rear end of the anti-theft slider. A first bevel gear is fixedly connected to the rear end of the anti-theft shaft, a second bevel gear that meshes with the first bevel gear is provided in the second empty chamber, and a third bevel gear is provided at the left end of the second bevel gear. A bevel gear is fixedly connected, and a second anti-theft shaft is fixedly connected to the axial center of the third bevel gear, and the second anti-seft The shafts are connected by a belt, a power part is provided on the rear side of the second empty chamber, a safety lock auxiliary part is provided on the lower side of the opening chamber, and a rear side wall of the safety lock auxiliary part is provided. Locking parts are provided inside.

As a further technical plan, the personal identification number slide door part includes a symmetrical slide door installed in the opening chamber, and the slide door is provided with a vertically symmetrical slide rod groove, and the slide rod A slide rod, one end of which is fixedly connected to the opening chamber, is slidably connected in the groove, and a first spring is fixedly provided on the slide door, and is placed in the upper end of the slide door. Is provided with a first catching groove opened upward, a third empty chamber is provided in the upper side wall of the open chamber, and a code number which can be controlled by a code number in the upper side wall of the third empty chamber. A motor is fixedly provided, a password number shaft is coupled to a lower end of the password number motor, and a reel is fixedly coupled to a lower end of the password number shaft; A first reel mechanism is provided in the left and right side walls of the empty chamber. The first reel mechanism is connected to the reel by a drawing line. The first reel mechanism is provided below the first reel mechanism. A password slider groove for alignment is provided, and the password slider groove has a lower end extending into the first catching groove and is connected to the first reel mechanism by a pull line. A number slider is provided, and a second spring is fixedly connected to an upper end of the code number slider.

As a further technical plan, the safety lock auxiliary part includes an auxiliary anti-theft groove opened on the lower side of the opening chamber, and a first gear capable of rotating is provided in the auxiliary anti-theft groove. A first rack that can slide to the left and right is engaged with and connected to the upper end of the first gear, and a first fixed block that is fixedly connected to the left sliding door is fixed to the upper end of the first rack. A second rack that can slide to the left and right is engaged with and connected to the lower end of the first gear, and the front end of the first rack is fixedly connected to the right sliding door at the upper end of the second rack. A second fixed block is fixedly connected, a fourth empty chamber is provided on the rear side of the auxiliary anti-theft groove, and a rear end is located at the front of the shaft center of the first gear. A first auxiliary anti-theft shaft extending into the fourth empty chamber is fixedly connected. A fourth bevel gear is fixedly connected to a rear end of the first auxiliary anti-theft shaft, and is connected to a left end of the fourth bevel gear. The fifth bevel gear is fixedly connected, and a second auxiliary anti-theft shaft whose right end is connected to the lower second anti-theft shaft by a belt is connected to the shaft center of the fifth bevel gear.

As a further technical plan, the power component includes a mini motor installed in an upper side wall of the second empty chamber on the upper side, and the mini motor can be electrically connected to the first sensitive block, A first main shaft is connected to the lower end, a sixth bevel gear meshing with the first bevel gear is fixedly connected to the first main shaft, and a fifth empty chamber is formed in the lower side wall of the second empty chamber. A seventh bevel gear is provided symmetrically in the fifth empty chamber, the lower end of the first main shaft extends into the fifth empty chamber, and the seventh bevel gear on the upper side An eighth bevel gear meshes with and is connected to the left end of the seventh bevel gear, and a second main shaft is fixedly connected to the lower center of the seventh bevel gear. The lower end of the shaft extends into the second vacant chamber of the lower, and the the lower end of the second spindle ninth bevel gear that Kamiae and the first bevel gear of the lower fixedly connected.

As a further technical plan, the unlocking part includes an unlocking groove that is opened before being installed on the rear side of the opening chamber, and is electrically connected to the mini motor in a rear side wall of the unlocking groove. A second sensitive block that can be connected is fixedly provided, a gear train groove is provided in communication with the lower side of the unlocking groove, a gear train that can be connected to a key is provided in the gear train groove, and the gear train groove is provided. A sixth empty chamber communicating with the fifth empty chamber is provided in the rear side wall, and an unlocking slider that can slide back and forth is provided in the sixth empty chamber. An unlocking shaft is rotatably attached to the rear end, and a rectangular block is fixedly connected to the rear end of the unlocking shaft, and the unlocking gear meshes with the seventh bevel gear. Fixedly connected A spline block that can be coupled to the rectangular block is rotatably mounted on a rear inner wall of the fifth empty chamber, and a lock groove that opens rearward is provided in a lower side wall of the fifth empty chamber. The slide groove is provided with a slide lock block that slides back and forth and has a toothed bottom end. The slide lock block includes a second catch groove that opens upward, and the slide A spring mechanism is fixedly provided at the lower end of the lock block, and an unlocking hole is provided in communication between the fifth empty chamber and the lock groove, and the unlocking hole includes the first A second catch block that can slide up and down into the two catch grooves is provided, and the spline block and the second catch block are connected by a draw line. That.

As a further technical plan, the locking part includes an upper locking groove that is installed in a lower wall of the lock groove, and can engage with a lower tooth profile of the slide lock block. A first locking gear is provided; a first locking shaft is fixedly connected to an axial center of the first locking gear; a seventh empty chamber is provided in a left side wall of the locking groove; A ratchet is fixedly connected to the left end of the first locking shaft, a second locking gear is engaged with and connected to the lower end of the ratchet, and the second locking gear has an axial center extending to the outside. Two locking shafts are fixedly connected, and a locking ball is fixedly connected to the lower end of the second locking shaft.

The beneficial effects of the present invention are: The multi-lock of the present invention is more rational and clever in overall construction, easy to use, the PIN code lock is the primary protection, greatly improving the safety performance of the lock, and sliding The key in the insertion chamber can be locked by closing the door, further improving the safety performance of the lock, and has high use value and spread value.

FIG. 1 is a schematic diagram of the entire internal configuration of the present invention. 2 is a cross-sectional view in the “AA” direction of FIG. 3 is a cross-sectional view of the present invention in the “BB” direction of FIG. FIG. 4 is a schematic diagram of the structure of the ratchet in the present invention.

The present invention will be described in detail below with reference to FIGS. For the sake of convenience, the orientations appearing in the latter sentence are now defined as follows: The up / down / left / right / front / rear directions appearing in the latter sentence coincide with the up / down / left / right front / rear directions in the projection relation of FIG.

1 to 4, a multi-lock having enhanced safety performance according to an embodiment of the present invention includes a main body 91. In the main body 91, an open chamber 90 opened in front is provided. The door part 101 is provided with a code number sliding door part 101, the front part 106 for the genuine lock is provided in the rear side wall of the opening chamber 90, and the front part 106 for the false lock is the unlock part 103 and the safety lock part 105. The safety lock part 105 includes a vertically symmetrical insertion chamber 76 installed on the rear side of the opening chamber 90 and a front opening. A sensitive block 73 is fixedly provided, and a first empty chamber 75 is provided in communication with a lower side wall of the insertion chamber 76. A first pulley 74 meshing with a lower end of the first pulley 74 is rotatably provided; a rotatable second pulley 71 is connected to a rear side of the first pulley 74; A second empty chamber 62 that communicates with the first empty chamber 75 is provided, and an anti-theft slider 72 that engages with the second pulley 71 is slidably mounted in the second empty chamber 62. A first anti-theft shaft 70 is rotatably mounted at the rear end of 72, and a first bevel gear 69 is fixedly connected to the rear end of the first anti-theft shaft 70. Is provided with a second bevel gear 52 that meshes with the first bevel gear 69, and a third bevel gear 50 is fixedly connected to the left end of the second bevel gear 52. The second anti-theft shaft 51 is fixedly connected to the axial center of the third bevel gear 50, and the second anti-theft shaft 51 on both the upper and lower sides is connected by a belt. A power component 102 is provided on the rear side, a safety lock auxiliary component 107 is provided below the opening chamber 90, and a locking component 104 is provided in the rear side wall of the safety lock auxiliary component 107.

The personal identification number slide door part 101 includes a left and right symmetrical slide door 78 installed in the opening chamber 90, and the slide door 78 is provided with a vertically symmetrical slide rod groove 24. A slide rod 89 having one end fixedly connected to the opening chamber 90 is slidably connected thereto, and a first spring 88 is fixedly provided to the slide door 78, A first catching groove 96 opened upward is provided in the upper end, a third empty chamber 77 is provided in the upper side wall of the open chamber 90, and the upper side wall of the third empty chamber 77 is provided in the upper side wall. A personal identification number motor 98 that can be controlled by a personal identification number is fixedly provided, and a personal identification number shaft 97 is connected to the lower end of the personal identification number motor 98, and A reel 95 is fixedly connected to the lower end of the number shaft 97, and a first reel mechanism 94 connected to the reel 95 by a drawing line is provided in the left and right side walls of the third empty chamber 77. A password slider groove 93 that opens downward and aligns with the first catching groove 96 is provided on the lower side of the one reel mechanism 94, and the lower end of the code number slider groove 93 has the lower end described above. A personal identification number slider 92 extending in the first catching groove 96 and connected to the first reel mechanism 94 by a drawing line is provided, and a second spring 23 is fixed to the upper end of the personal identification number slider 92. The personal identification number motor 98 is started by inputting the personal identification number, and the personal identification number lock is the primary protection, and the safety performance of the lock is greatly improved.

The safety lock auxiliary part 107 includes an auxiliary anti-theft groove 87 which is installed on the lower side of the opening chamber 90 and is opened. The auxiliary anti-theft groove 87 is provided with a first gear 82 which can be rotated. A first rack 83 that can slide to the left and right is engaged and connected to the upper end of the first gear 82, and a first fixed block 84 that is fixedly connected to the left sliding door 78 is connected to the upper end of the first rack 83. A second rack 85 slidably connected to the lower end of the first gear 82 is engaged with and connected to the lower end of the first gear 82, and the right slide is provided on the front side of the first rack 83 at the upper end of the second rack 85. A second fixed block 80 fixedly connected to the door 78 is fixedly connected, and a fourth empty chamber 42 is provided behind the auxiliary anti-theft groove 87. A first auxiliary anti-theft shaft 81 having a rear end extending into the fourth empty chamber 42 is fixedly connected to the axial center of the first gear 82, and the first auxiliary anti-theft shaft 81 is fixed. A fourth bevel gear 41 is fixedly connected to the rear end, a fifth bevel gear 40 is fixedly connected to the left end of the fourth bevel gear 41, and a right end is located at the axial center of the fifth bevel gear 40. Is connected to a second auxiliary anti-theft shaft 99 which is connected to the lower second anti-theft shaft 51 by a belt, thereby further improving the safety performance of the lock.

The power component 102 includes a mini motor 67 installed in the upper side wall of the second empty chamber 62 on the upper side, and the mini motor 67 can be electrically connected to the first sensitive block 73. A first main shaft 61 is connected to the first main shaft 61, and a sixth bevel gear 60 that meshes with the first bevel gear 69 is fixedly connected to the first main shaft 61. Five empty chambers 22 are provided, a seventh bevel gear 58 is provided symmetrically in the fifth empty chamber 22, and a lower end of the first main shaft 61 extends into the fifth empty chamber 22. And the seventh bevel gear 58 on the upper side is fixedly connected, and an eighth bevel gear 57 is engaged with and connected to the left end of the seventh bevel gear 58, and the seventh bevel gear on the lower side is connected. The second main shaft 36 is fixedly connected to the center of the shaft 8, the lower end of the second main shaft 36 extends into the second empty chamber 62 on the lower side, and the second main shaft 36 A ninth bevel gear 25 that meshes with the lower first bevel gear 69 is fixedly connected to the lower end, thereby simultaneously providing power for unlocking.

The unlocking part 103 includes an unlocking groove 65 that is opened before being installed on the rear side of the opening chamber 90, and can be electrically connected to the mini motor 67 in the rear side wall of the unlocking groove 65. The second sensitive block 26 is fixedly provided, a gear train groove 64 is provided in communication with the lower side of the unlocking groove 65, and a gear train 63 that can be connected to a key is provided in the gear train groove 64. A sixth empty chamber 55 communicating with the fifth empty chamber 22 is provided in the rear side wall of the gear train groove 64, and an unlocking slider 59 that can slide back and forth in the sixth empty chamber 55. And an unlocking shaft 31 is rotatably mounted at the rear end of the unlocking slider 59, and a rectangular block 32 is fixedly connected to the rear end of the unlocking shaft 31, and the unlocking shaft 3 The unlocking gear 33 that meshes with the seventh bevel gear 58 is fixedly connected to the rear inner wall of the fifth empty chamber 22 so that a spline block 34 that can be coupled to the rectangular block 32 is rotatably mounted. A lock groove 49 opened rearward is provided in the lower side wall of the fifth empty chamber 22, and a slide lock block 38 slidable back and forth and having a lower end in a tooth shape is provided in the lock groove 49. A second catching groove 47 opened upward is provided in the upper end of the slide lock block 38, and a spring mechanism 48 is fixedly provided at the lower end of the slide lock block 38, and the fifth empty chamber. 22 and the lock groove 49 are provided in communication with the unlocking hole 35, and the unlocking hole 35 includes the second catching groove 47. The second hooking block 37 that can be slid up and down is provided, the spline block 34 and the second hooking block 37 are connected by the drawing line 21, a key is inserted into the unlocking groove 65, and the key moves backward. When sliding, the tooth profile at the lower end is slid forward by interlocking the unlocking slider 59 with the gear train 63, and when the rear end of the key contacts the second sensitive block 26, the unlocking gear 33 meshes with the seventh bevel gear 58. The rectangular block 32 is caught in the spline block 34, the second sensitive block 26 is started by controlling the mini motor 67, the mini motor 67 is activated and the first main shaft 61 is rotated in conjunction with the first main shaft 61. The upper seventh bevel gear 58 is rotated in conjunction with it, and the upper seventh bevel gear 58 is rotated in conjunction with the unlocking gear 33. The unlocking gear 33 rotates in conjunction with the unlocking shaft 31, the unlocking shaft 31 rotates in conjunction with the rectangular block 32, the square block 32 rotates in conjunction with the spline block 34, and the spline block 34 rotates. The second hooking block 37 is slid upward by interlocking with the pulling wire 21, whereby the second hooking block 37 can be detached from the engagement with the second hooking groove 47, and the second hooking groove 47 acts as the spring mechanism 48. If you slide it to the left, you can unlock it, and if you find the true keyhole accurately, you can easily unlock the lock with the key, enhancing the safety performance of the lock, while unlocking is very difficult Never do.

The locking part 104 includes a locking groove 39 which is installed in the lower side wall of the lock groove 49 and is open to the upper side, and the locking groove 39 engages with a lower end tooth profile of the slide lock block 38. A locking gear 43 is provided, a first locking shaft 44 is fixedly connected to the axial center of the first locking gear 43, and a seventh empty chamber 30 is provided in the left side wall of the locking groove 39. A ratchet 28 is fixedly connected to the left end of the first locking shaft 44, and a second locking gear 29 is engaged with and connected to the lower end of the ratchet 28. The second locking shaft 46 extending to the outside is fixedly connected, and the lower end of the second locking shaft 46 is fixedly connected to the locking ball 45. By rotating the locking ball 45, the slide lock block is rotated. 3 Slide until it locks back, convenient to be able to lock the lock, among which, it is possible to ratchet 28 when the slide lock block 38 to slide before to prevent rotation of the locking ball 45.

When the multi-lock of the present invention is used, the personal identification number motor 98 is started by inputting the personal identification number, the personal identification number motor 98 rotates by rotating the personal identification number axis 97, and the personal identification number axis 97 interlocks with the reel 95. Then, the reel 95 rotates and the code number slider 92 is pulled by the first reel mechanism 94 and is slid upward until it is released from the first catching groove 96, and the slide door 78 is operated by the first spring 88. Originally, it slides to both sides and opens (you can manually close the sliding door 78 after unlocking). When the key is inserted into the unlocking groove 65 and the key slides backward, the tooth profile at the lower end is When the unlocking slider 59 is interlocked and slid forward by the gear train 63 and the rear end of the key comes into contact with the second sensitive block 26, the unlocking gear 33 is moved to the seventh bevel gear 58. The square block 32 is caught in the spline block 34, and the second sensitive block 26 is started by controlling the mini motor 67. The mini motor 67 is activated to rotate the first spindle 61 in conjunction with the first spindle 61. Rotates the upper seventh bevel gear 58 in conjunction with it, the upper seventh bevel gear 58 rotates in conjunction with the unlocking gear 33, and the unlocking gear 33 rotates in conjunction with the unlocking shaft 31 for unlocking. The shaft 31 rotates in conjunction with the square block 32, the square block 32 rotates in conjunction with the spline block 34, and the spline block 34 slides upward by interlocking the second catching block 37 with the draw line 21. Thus, the second catching block 37 can be disengaged from the engagement with the second catching groove 47, and the second catching groove 47 becomes a spring. When the key is inserted into the upper insertion chamber 76, the key is inserted into the insertion chamber 76, and the key slides backward to slide the first pulley. 74, when the first pulley 74 rotates the second pulley 71 in conjunction with the second pulley 71, the anti-theft slider 72 interlocks and slides backward, and the key contacts the first sensitive block 73. The first bevel gear 69 meshes with the second bevel gear 52, the first sensitive block 73 controls and starts the mini motor 67, the mini motor 67 rotates the first main shaft 61 in conjunction with it, and the first main shaft 61 rotates to the sixth bevel gear. 60, the sixth bevel gear 60 rotates the first bevel gear 69, the first bevel gear 69 rotates the second bevel gear 52, The second bevel gear 52 rotates in conjunction with the third bevel gear 50, the third bevel gear 50 rotates in conjunction with the upper second anti-theft shaft 51, and the upper second anti-theft shaft 51 is moved downward by the belt. The anti-theft shaft 51 is rotated in conjunction with it, the lower second anti-theft shaft 51 is rotated with the belt in conjunction with the second auxiliary anti-theft shaft 99, and the second auxiliary anti-theft shaft 99 is rotated to interlock with the fifth bevel gear 40. The fifth bevel gear 40 is rotated in conjunction with the fourth bevel gear 41, the fourth bevel gear 41 is rotated in conjunction with the first auxiliary anti-theft shaft 81, and the first auxiliary anti-theft shaft 81 is rotated in the first gear 82. , The first gear 82 rotates to slide the first rack 83 to the right, and the first rack 83 is the first fixed block. 4, the left slide door 78 is slid to the right until it is closed to the right. At the same time, the first gear 82 rotates to slide the second rack 85 to the left, and the second rack 85 slides to the right by the second fixed block 80. When the door 78 is slid to the left and the key is inserted into the lower insertion chamber 76, the only distinction between when the key 78 is inserted into the upper insertion chamber 76 is that the minimotor 67 The first spindle 61 is rotated in conjunction with it, the first spindle 61 is rotated in conjunction with the upper seventh bevel gear 58, the upper seventh bevel gear 58 is rotated in conjunction with the eighth bevel gear 57, and the eighth bevel gear 57 is rotated. Is rotated in conjunction with the lower seventh bevel gear 58, the lower seventh bevel gear 58 is rotated in conjunction with the second main shaft 36, and the second main shaft 36 is rotated in the ninth bevel gear. In conjunction with the gear 25 is rotated, the ninth bevel gear 25 rotates in conjunction with the first bevel gear 69, and finally it is closing the sliding door 78, it is possible to protect the tablet.

The beneficial effects of the present invention are: The multi-lock of the present invention is more rational and clever in overall construction, easy to use, the PIN code lock is the primary protection, greatly improving the safety performance of the lock, and sliding The key in the insertion chamber can be locked by closing the door, further improving the safety performance of the lock, and has high use value and spread value.

An engineer in this field can clarify the case where it does not depart from the general spirit and idea of the present invention. Various modifications can be made to the above-described embodiments, and these modifications are all within the protection scope of the present invention. The protection scheme of the present invention should be based on the rights claim of the present invention.

Claims (1)

The main body is provided with an opening chamber opened in the main body, a personal identification number sliding door part is provided in the opening chamber, and a genuine lock front part is provided in the rear side wall of the opening chamber. And the front lock part includes an unlocking part and a safety lock part, and the safety lock part includes a vertically symmetrical and front opening insertion chamber installed on the rear side of the opening chamber. The first sensitive block is fixedly provided in the rear side wall of the insertion chamber, and the first empty chamber is provided in communication with the lower side wall of the insertion chamber. A first pulley that engages with the lower end of the key is rotatably provided, a second pulley that is rotatable is connected to the rear side of the first pulley, and the rear wall of the insertion chamber has the A second empty chamber that communicates with one empty chamber is provided, and an anti-theft slider that engages with the second pulley is slidably mounted in the second empty chamber, and a rear end of the anti-theft slider is a second one. A second bevel gear which is mounted so that one anti-theft shaft can rotate, a first bevel gear is fixedly connected to the rear end of the first anti-theft shaft, and meshes with the first bevel gear in the second empty chamber; A third bevel gear is fixedly connected to the left end of the second bevel gear, and a second anti-theft shaft is fixedly connected to the axial center of the third bevel gear. The anti-theft shaft is connected by a belt, a power component is provided on the rear side of the second empty chamber, and a safe part is provided on the lower side of the opening chamber. Irokku subcomponent is provided in the rear wall of the safety lock auxiliary component locking part is provided,
The code number sliding door part includes a symmetrical sliding door installed in the opening chamber, the sliding door has a vertically symmetrical sliding rod groove, and one end of the sliding rod groove has one end. A slide rod fixedly connected to the opening chamber is connected to be slidable, and a first spring is fixedly provided to the slide door, and a first opening opened upward in an upper end of the slide door. A hook groove is provided, a third empty chamber is provided in the upper wall of the open chamber, and a password motor that can be controlled by a password is fixedly provided in the upper wall of the third empty chamber. A personal identification number shaft is connected to the lower end of the personal identification number motor; a reel is fixedly connected to the lower end of the personal identification number axis; and left and right side walls of the third empty chamber There is provided a first reel mechanism that is connected to the reel by a drawing line, and a PIN number slider that opens downward and is aligned with the first catching groove on the lower side of the first reel mechanism. A slot is provided, and in the code number slider groove, a code number slider having a lower end extending into the first catching groove and connected to the first reel mechanism by a drawing line is provided, A second spring is fixedly connected to the upper end of the password slider ,
The safety lock auxiliary part includes an auxiliary anti-theft groove opened on the lower side of the opening chamber, and a first gear capable of rotating is provided in the auxiliary anti-theft groove, and an upper end of the first gear A first rack that can slide to the left and right is engaged and connected to the upper end of the first rack, and a first fixed block that is fixedly connected to the left sliding door is fixedly connected to the upper end of the first rack. A second rack that can slide to the left and right is engaged with and connected to the lower end of the second rack, and a second fixed block that is fixedly connected to the right sliding door is fixed to the front side of the first rack at the upper end of the second rack. A fourth empty chamber is provided on the rear side of the auxiliary anti-theft groove, and a rear end is located in the fourth empty chamber at the axial center of the first gear. The first auxiliary anti-theft shaft is fixedly connected, the fourth bevel gear is fixedly connected to the rear end of the first auxiliary anti-theft shaft, and the fifth bevel gear is fixedly connected to the left end of the fourth bevel gear. And a second auxiliary anti-theft shaft whose right end is connected to the lower second anti-theft shaft by a belt at the axial center of the fifth bevel gear ,
The power component includes a mini motor installed in an upper side wall of the second empty chamber on the upper side, the mini motor can be electrically connected to the first sensitive block, and a first main shaft is provided at a lower end of the mini motor. A sixth bevel gear fixedly connected to the first main shaft and meshed with the first bevel gear; a fifth empty chamber is provided in a lower side wall of the second empty chamber; A seventh bevel gear is provided vertically symmetrically in the chamber, a lower end of the first main shaft extends into the fifth empty chamber, and is fixedly connected to the upper seventh bevel gear, The eighth bevel gear meshes with and is connected to the left end of the seventh bevel gear, the second main shaft is fixedly connected to the lower center of the seventh bevel gear, and the lower end of the second main shaft is connected to the lower end. Said Extends into the empty chamber, ninth bevel gear that Kamiae and the first bevel gear of the lower side is fixedly connected in and to the lower end of the second spindle,
The unlocking part includes an unlocking groove that is opened before being installed on the rear side of the opening chamber, and a second sensitive block that can be electrically connected to the mini motor is provided in the rear side wall of the unlocking groove. A gear train groove is provided below the unlocking groove, and a gear train that can be connected to a key is provided in the gear train groove. A rear side wall of the gear train groove is provided in the gear train groove. A sixth empty chamber that communicates with the fifth empty chamber is provided in communication, and an unlocking slider that can slide back and forth is provided in the sixth empty chamber, and an unlocking slider is provided at the rear end of the unlocking slider. A shaft is mounted for rotation, a rectangular block is fixedly connected to the rear end of the unlocking shaft, and an unlocking gear meshing with the seventh bevel gear is fixedly connected to the unlocking shaft, The fifth empty chan A spline block that can be coupled to the square block is rotatably mounted on the rear inner wall, and a lock groove that is opened rearward is provided in the lower wall of the fifth empty chamber. Can be slid back and forth, and a slide lock block having a tooth shape at the bottom is provided. A mechanism is fixedly provided, and an unlocking hole communicates between the fifth empty chamber and the lock groove, and the unlocking hole is vertically moved up to the second catching groove. A second hooking block that can be slid on the spline block, the spline block and the second hooking block are connected by a drawing line, A first locking gear that is installed in a lower wall of the sliding groove and that is open on the locking groove, and is engaged with a lower tooth profile of the slide lock block. A first locking shaft is fixedly connected to the shaft center of the gear, a seventh empty chamber is provided in the left side wall of the locking groove, and a ratchet is fixed to the left end of the first locking shaft. A second locking gear meshes with the lower end of the ratchet, and a second locking shaft extending outward is fixedly connected to the shaft center of the second locking gear, A multi-lock with enhanced safety performance, characterized in that a locking ball is fixedly connected to the lower end of the two locking shafts .

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