Anti-disassembly lock

Abstract

The anti-disassembly lock comprises a lock beam and a lockset, the lock beam comprises a U-shaped rod and two end rods connected with the two ends of the U-shaped rod respectively, and the end rods are provided with clamping grooves; the lock comprises a shell, a sealing cover, a lock body, a torsional spring, a first clamping piece, a second clamping piece, a driving assembly and two first fasteners, the shell is provided with a containing groove and two through holes communicating with the containing groove, and the lock body is provided with two inserting grooves corresponding to the two through holes and two first penetrating holes communicating with the two inserting grooves correspondingly. The first clamping piece and the second clamping piece both slide on the lock body, the middle of the torsional spring is connected with the lock body, the two ends of the torsional spring are connected with the first clamping piece and the second clamping piece respectively, the driving assembly is installed on the lock body, and the sealing cover is connected with the shell and blocks the lock body, the torsional spring, the first clamping piece, the second clamping piece and the driving assembly in the containing groove. The sealing cover is provided with two first internal thread grooves, one end of the first fastener is located in the inserting groove, and the other end of the first fastener penetrates through the first penetrating hole and then is connected with the first internal thread grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of door lock structures, in particular to an anti-dismantling lock. Background Art

[0002] A U-shaped lock is a common closed lock consisting of a U-shaped metal rod and a lock. The metal rod is inserted into the lock. It is generally used to lock electric bikes, bicycles and gates. Users need a special key to open the U-shaped lock.

[0003] However, the existing U-shaped lock is not safe. Some exposed screws can be seen on the outer shell of the lock. Some criminals can remove these screws with tools, thereby disassembling the entire lock to achieve the purpose of unlocking and stealing. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-tampering lock to solve the technical problem that the existing U-shaped lock is not safe and some exposed screws can be seen on the outer shell of the lock, and some lawless elements can remove these screws with tools to dismantle the entire lock.

[0005] The utility model provides an anti-tamper lock, comprising:

[0006] The locking beam comprises a U-shaped rod and two end rods respectively connected to the two ends of the U-shaped rod, and the end rods are provided with at least one clamping groove;

[0007] The lock device comprises a shell, a cover, a lock body, a torsion spring, a first clamping piece, a second clamping piece, a driving assembly and two first fasteners, the shell being provided with a receiving slot and two through holes both communicating with the receiving slot, the lock body being fixed in the receiving slot, the lock body being provided with two slots respectively arranged corresponding to the two through holes and two first through holes respectively communicating with the two slots, the first clamping piece and the second clamping piece are both slidably mounted on the lock body, the middle portion of the torsion spring is connected to the lock body, the two ends of the torsion spring are respectively connected to the first clamping piece and the second clamping piece, the driving assembly is mounted on the lock body, the cover is connected to the shell and seals the lock body, the torsion spring, the first clamping piece, the second clamping piece and the driving assembly in the receiving slot, the cover being provided with two first internal thread grooves, one end of the first fastener is located in the slot, and the other end passes through the first through hole and is connected to the first internal thread groove;

[0008] When locking is required, the two end rods of the lock beam are respectively inserted into the corresponding slots through the two through holes, and the first clamping member and the second clamping member can move in opposite directions under the elastic action of the torsion spring, so that the first clamping member and the second clamping member are respectively clamped in the corresponding two slots; when unlocking is required, the driving component can drive the first clamping member and the second clamping member to move toward each other, so that the first clamping member and the second clamping member are respectively disengaged from the corresponding two slots.

[0009] Furthermore, the lock body includes a lock seat, a base plate and at least two second fasteners, the drive assembly is installed on the lock seat and encloses a storage space with the lock seat, the lock seat is provided with two positioning holes, both of which are connected to the storage space, the base plate is connected to the lock seat, the base plate and the inner wall of the positioning holes enclose the slot, the torsion spring, the first clamping member and the second clamping member are all located in the storage space, the first clamping member and the second clamping member are both connected to the drive assembly, the base plate is penetrated by two first through-holes and at least two second through-holes, the inner wall of the accommodating groove is provided with at least two second internal thread grooves, the second fastener is connected to the second internal thread groove after passing through the second through-hole, and the cover covers each second fastener.

[0010] Furthermore, the lock seat includes an inner shell and a top cover, the top cover is provided with a concave cavity and two first holes both connected to the concave cavity, the inner shell is provided with two second holes, the top cover, the bottom plate and the drive assembly are all installed on the inner shell, the two ends of the first hole are respectively connected to the through hole and the second hole, the first hole and the second hole constitute the positioning hole, and the inner wall of the concave cavity, the inner shell and the drive assembly enclose to form the storage space.

[0011] Furthermore, the lock also includes at least one third fastener located in the accommodating groove, the top cover is penetrated by at least one third through-hole, and the inner shell is also provided with at least one third internal thread groove, and the third fastener passes through the third through-hole and is connected to the third internal thread groove.

[0012] Furthermore, the first holding member includes a first slide, a first positioning block, a second positioning block, a first locking tongue and a first positioning column, the first positioning block, the second positioning block and the first locking tongue are all protruded on the first slide, the second positioning block is located between the first positioning block and the first locking tongue, the first positioning column is protruded on the first locking tongue, the first slide slides on the lock body, the lock body is protruded with a limiting column, the middle part of the torsion spring is connected to the limiting column, one end of the torsion spring is connected to the first positioning column, and the other end is connected to the second holding member, and the first locking tongue can be clamped in the corresponding slot.

[0013] Furthermore, the second holding component includes a second slide, a third positioning block, a fourth positioning block, a second locking tongue and a second positioning column. The third positioning block, the fourth positioning block and the second locking tongue are all protruded on the second slide, the fourth positioning block is located between the third positioning block and the second locking tongue, the second positioning column is protruded on the third positioning block, one end of the torsion spring is connected to the first positioning column, and the other end is connected to the second positioning column, and the second locking tongue can be clamped in the corresponding clamping slot.

[0014] Furthermore, the drive assembly includes a first drive mechanism, the first drive mechanism includes a first transmission member and a lock core for driving the first transmission member to rotate, the lock core is installed on the lock body, the first transmission member includes a first boss installed on the lock core and a first support plate protruding from the first boss, the first support plate is clamped between the first positioning block and the fourth positioning block, and the cover is also provided with an avoidance hole corresponding to the lock core.

[0015] Furthermore, the drive assembly also includes a second drive mechanism, which includes a main board, a lithium battery, a motor and a second transmission member. The second transmission member includes a second boss mounted on the motor and a second support plate protruding from the second boss. The second support plate is clamped between the second positioning block and the third positioning block. The lithium battery and the motor are both electrically connected to the main board.

[0016] Furthermore, the lock further includes a touch screen, the housing further includes a mounting hole communicating with the accommodating groove, the touch screen is mounted on the mounting hole, and the touch screen is electrically connected to the mainboard.

[0017] Furthermore, the cover includes a cover plate and two studs protruding from the cover plate, the cover plate is mounted on the outer shell, and the two first internal thread grooves are respectively provided on the two studs.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] In the utility model, the outer shell and the cover of the lock are fixed by two first fasteners, and the lock beam respectively blocks the two first fasteners in the two slots of the lock. The user can only remove the two first fasteners by pulling out the lock beam after successfully unlocking the lock, thereby preventing the lock from being illegally disassembled and better protecting the user's property safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of an anti-tamper lock provided by an embodiment of the present utility model;

[0021] Figure 2 for Figure 1 Exploded diagram;

[0022] Figure 3 for Figure 1 sectional view of

[0023] Figure 4 A schematic structural diagram of a lock provided in an embodiment of the present utility model;

[0024] Figure 5 for Figure 4 sectional view of

[0025] Figure 6 An exploded view of the lock provided by an embodiment of the utility model with the cover removed;

[0026] Figure 7 A schematic structural diagram of a lock body provided in an embodiment of the present utility model;

[0027] Figure 8 for Figure 7 explosion Figure 1 ;

[0028] Figure 9 for Figure 7 explosion Figure 2 ;

[0029] Figure 10 A schematic structural diagram of a cover provided in an embodiment of the present utility model;

[0030] Figure 11 A schematic structural diagram of a housing provided in an embodiment of the present utility model;

[0031] Figure 12 A schematic structural diagram of an inner shell provided in an embodiment of the present utility model;

[0032] Figure 13 A schematic structural diagram of a first clamping member provided in an embodiment of the present utility model;

[0033] Figure 14 This is a schematic structural diagram of the second clamping member provided in an embodiment of the present utility model.

[0034] In the picture:

[0035] 10. Lock beam; 11. U-shaped rod; 12. End rod; 121. Card slot; 122. Annular groove; 20. Lock; 21. Assembly slot; 22. Storage space; 23. Third fastener; 24. Touch screen; 25. Fingerprint button; 26. First rubber plug; 27. Second rubber plug; 30. Housing; 31. Receiving groove; 311. Boss; 3111. Second internal thread groove; 32. Through hole; 33. Mounting hole; 34. First plug hole; 40. Cover; 4 1. First internal thread groove; 42. Avoidance hole; 43. Cover plate; 44. Stud; 45. Avoidance hole; 50. Lock body; 51. Slot; 52. First through-hole; 53. Lock seat; 531. Positioning hole; 532. Inner shell; 5321. Second hole; 5322. Third internal thread groove; 5323. Inner cavity; 5324. Fourth through-hole; 5325. Embedded hole; 533. Top cover; 5331. Concave cavity; 5332. First hole; 5333. Third through-hole; 54, bottom plate; 541, second through-hole; 542, fifth through-hole; 543, mounting hole; 55, second fastener; 56, limiting post; 60, torsion spring; 70, first clamping member; 71, first slide; 72, first positioning block; 73, second positioning block; 74, first locking tongue; 75, first positioning post; 76, guide rail; 80, second clamping member; 81, second slide; 82, third positioning block; 83, fourth positioning block; 84, Second lock tongue; 85, second positioning column; 86, slide groove; 90, drive assembly; 91, first drive mechanism; 911, first transmission member; 9111, first boss; 9112, first support plate; 912, lock cylinder; 92, second drive mechanism; 921, main board; 922, lithium battery; 923, motor; 924, second transmission member; 9241, second boss; 9242, second support plate; 100, first fastener; 200, sealing ring. DETAILED DESCRIPTION

[0036] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0037] See also Figures 1 to 10 As shown, an embodiment of the present invention discloses an anti-tampering lock, which is a common U-shaped lock on the market. The anti-tampering lock includes a lock beam 10 and a lock 20. The lock beam 10 includes a U-shaped rod 11 and two end rods 12 respectively connected to the two ends of the U-shaped rod 11. The two end rods 12 are arranged in parallel and are provided with at least one card slot 121.

[0038] The lock 20 includes a shell 30, a cover 40, a lock body 50, a torsion spring 60, a first clamping member 70, a second clamping member 80, a drive assembly 90 and two first fasteners 100. The shell 30 is provided with a receiving groove 31 and two through holes 32 both connected to the receiving groove 31. The receiving groove 31 is recessed at the bottom of the shell 30. The through holes 32 extend from the inner wall of the receiving groove 31 to the top of the shell 30. The lock body 50 is fixed in the receiving groove 31. The lock body 50 is provided with two slots 51 respectively corresponding to the two through holes 32 and two first through holes 52 respectively connected to the two slots 51. The two slots 51 are both recessed at the top of the lock body 50. The first through hole 52 extends from the bottom wall of the slot 51 to the bottom of the lock body 50. The first clamping member 70 and the second clamping member 80 are both slidably mounted on the lock body 50.

[0039] The middle part of the torsion spring 60 is connected to the lock body 50, and the two ends of the torsion spring 60 are respectively connected to the first clamping member 70 and the second clamping member 80. The driving assembly 90 is installed on the lock body 50, and the first clamping member 70 and the second clamping member 80 are both connected to the driving assembly 90. The cover 40 is connected to the housing 30 and the lock body 50, the torsion spring 60, the first clamping member 70, the second clamping member 80 and the driving assembly 90 are all blocked in the receiving groove 31. The cover 40 is provided with two second clamping members on the side facing the lock body 50. An internal thread groove 41, one end of the first fastener 100 is located in the slot 51, and the other end passes through the first through-hole 52 and is connected to the first internal thread groove 41, thereby fixing the cover 40 on the shell 30. A through hole 32 and a slot 51 constitute an assembly groove 21. The two end rods 12 of the lock beam 10 can be respectively inserted into the two assembly grooves 21, and then the first clamping member 70 and the second clamping member 80 respectively clamp the corresponding two clamping grooves 121 to realize the locking function.

[0040] Specifically, when locking is required, the two end rods 12 of the lock beam 10 are respectively inserted into the corresponding slots 51 through the two through holes 32, and the first clamping member 70 and the second clamping member 80 can move in opposite directions under the elastic action of the torsion spring 60, so that the first clamping member 70 and the second clamping member 80 are respectively clamped in the corresponding two slots 121, and the torsion spring 60 can realize the automatic return and locking of the first clamping member 70 and the second clamping member 80. At this time, the lock beam 10 will not be able to be pulled out; when unlocking is required, the driving component 90 can drive the first clamping member 70 and the second clamping member 80 to move toward each other, that is, to retract, so that the first clamping member 70 and the second clamping member 80 are respectively disengaged from the corresponding two slots 121, so that the lock beam 10 can be pulled out from the lock 20.

[0041] In this embodiment, the lock body 50 includes a lock seat 53, a bottom plate 54 and at least two second fasteners 55. The drive assembly 90 is mounted on the lock seat 53 and encloses a storage space 22 with the lock seat 53. The lock seat 53 is provided with two positioning holes 531 that are both connected to the storage space 22. The two positioning holes 531 are respectively located at the two side ends of the storage space 22. The bottom plate 54 is connected to the lock seat 53. The bottom plate 54 and the inner wall of the positioning holes 531 enclose the slot 51. The torsion spring 60, the first clamping member 70 and the second clamping member 80 are all located in the storage space 22. The first clamping member 70 and the second clamping member 80 are They are all connected to the drive assembly 90. The bottom plate 54 is penetrated by the two first through-holes 52 and at least two second through-holes 541. The inner wall of the accommodating groove 31 is provided with at least two bosses 311. The bosses 311 are provided with second internal thread grooves 3111. The second fasteners 55 pass through the second through-holes 541 and are connected with the second internal thread grooves 3111, thereby fixing the lock body 50 on the outer shell 30. The number of the second fasteners 55, the second through-holes 541 and the bosses 311 are all four. The cover 40 covers each second fastener 55 to prevent the second fasteners 55 from being exposed to the outside. The above-mentioned internal thread grooves are all circular structures.

[0042] The lock base 53 includes an inner shell 532 and a top cover 533. The top cover 533 is provided with a concave cavity 5331 and two first holes 5332 both connected to the concave cavity 5331. The concave cavity 5331 is provided at the bottom of the top cover 533. The inner shell 532 is provided with two second holes 5321. The top cover 533, the bottom plate 54 and the drive assembly 90 are all installed on the inner shell 532. The top cover 533 and the bottom plate 54 are respectively located on the upper and lower sides of the inner shell 532. The two ends of the first hole 5332 are respectively connected to the through hole 32 and the second hole 5321. The first hole 5332 and the second hole 5321 constitute the positioning hole 531. The inner wall of the concave cavity 5331, the inner shell 532 and the drive assembly 90 enclose to form the storage space 22.

[0043] The lock 20 also includes at least one third fastener 23 located in the accommodating groove 31. The top cover 533 is penetrated by at least one third through-hole 5333, and the inner shell 532 is further provided with at least one third internal thread groove 5322. The number of the third fastener 23, the third through-hole 5333 and the third internal thread groove 5322 is all one. The third fastener 23 passes through the third through-hole 5333 and is connected to the third internal thread groove 5322, thereby fixing the top cover 533 to the inner shell 532, while also preventing the third fastener 23 from being exposed to the outside.

[0044] Please see further Figures 5 to 14When locking sill 75 , locking sill 77 is positioned between locking sill 74 and locking sill 75 , and locking sill 77. When locking sill 75 is positioned between the top and bottom of locking sill 74 , the locking sill 78 can be effectively prevented from slipping out of the locking sill 71 .

[0045] The second holding member 80 includes a second slide 81, a third positioning block 82, a fourth positioning block 83, a second locking tongue 84 and a second positioning column 85. The third positioning block 82, the fourth positioning block 83 and the second locking tongue 84 are all protruded from one side surface of the second slide 81, the fourth positioning block 83 is located between the third positioning block 82 and the second locking tongue 84, the second positioning column 85 is protruded from the third positioning block 82, the second slide 81 slides on the lock body 50, one end of the torsion spring 60 is connected to the first positioning column 75, and the other end is connected to the second positioning column 85, the second locking tongue 84 can be clamped in the corresponding slot 121, and the torsion spring 60 can realize the automatic return and locking of the first holding member 70 and the second holding member 80.

[0046] In some embodiments, the first slide 71 is provided with a guide rail 76, and the second slide 81 is provided with a slide groove 86. The guide rail 76 slides in the slide groove 86 to make the sliding between the first clamping member 70 and the second clamping member 80 smoother. Of course, the above-mentioned sliding method can also be used between the first slide 71 and the inner shell 532.

[0047] In this embodiment, the drive assembly 90 includes a first drive mechanism 91, the first drive mechanism 91 includes a first transmission member 911 and a lock core 912 for driving the first transmission member 911 to rotate, the lock core 912 is installed on the lock body 50, the first transmission member 911 includes a first boss 9111 installed on the lock core 912 and a first support plate 9112 protruding from the first boss 9111, the first support plate 9112 is clamped between the first positioning block 72 and the fourth positioning block 83, and the cover 40 is also provided with an avoidance hole 42 corresponding to the lock core 912 to facilitate the insertion of the key.

[0048] The drive assembly 90 also includes a second drive mechanism 92 located in the accommodating groove 31. The second drive mechanism 92 includes a main board 921, a lithium battery 922, a motor 923 and a second transmission member 924. The second transmission member 924 includes a second boss 9241 mounted on the motor 923 and a second support plate 9242 protruding from the second boss 9241. The second support plate 9242 is clamped between the second positioning block 73 and the third positioning block 82. The lithium battery 922 and the motor 923 are both electrically connected to the main board 921. The main board 921 controls the motor 923 to drive the second transmission member 924 to rotate, which can realize the extension or retraction of the internal first clamping member 70 and the second clamping member 80.

[0049] In some embodiments, the inner shell 532 is further provided with an inner cavity 5323, a fourth through-hole 5324 and an embedding hole 5325. The embedding hole 5325 and the fourth through-hole 5324 are both connected to the storage space 22. The fourth through-hole 5324 is connected to the inner cavity 5323. The lithium battery 922, the motor 923 and the main board 921 are all located on the inner cavity 5323. The second transmission member 924 is located on the fourth through-hole 5324. The first drive mechanism 91 is installed on the embedding hole 5325. The bottom plate 54 is further provided with a fifth through-hole 542. The two ends of the fifth through-hole 542 are respectively connected to the embedding hole 5325 and the avoidance hole 42.

[0050] In this embodiment, the lock 20 also includes a touch screen 24, and the housing 30 is also provided with a mounting hole 33 connected to the accommodating groove 31. The touch screen 24 is installed on the mounting hole 33. The touch screen 24 is electrically connected to the main board 921. The touch screen 24 can be used to enter a password so that the user can open the anti-tampering lock after entering the password.

[0051] The cover 40 includes a cover plate 43 and two studs 44 protruding from the cover plate 43 . The cover plate 43 is mounted on the housing 30 . The two first internal thread grooves 41 are respectively provided on the two studs 44 to prevent the first fastener 100 from being exposed to the outside.

[0052] Please continue reading Figure 2 ,as well as Figures 6 to 11 The lock 20 also includes a fingerprint button 25, the bottom plate 54 is further provided with an embedding hole 543, and the cover 40 is further provided with an air-avoiding hole 45. One end of the fingerprint button 25 is installed on the embedding hole 543 and the other end is located in the air-avoiding hole 45. The fingerprint button 25 is electrically connected to the main board 921 so that the user can open the anti-tampering lock after entering the fingerprint.

[0053] The lock 20 also includes a first rubber plug 26. The housing 30 is further provided with a first plug hole 34 connected to the receiving groove 31. The first rubber plug 26 is installed on the first plug hole 34. After removing the first rubber plug 26, the reset button on the main board 921 can be poke with a needle to open the anti-tamper lock.

[0054] In some embodiments, the lock 20 further includes a second rubber plug 27 , which is mounted on the cover 40 and covers the avoidance hole 42 to prevent external dust from entering the lock 20 .

[0055] In some embodiments, the anti-tamper lock further includes two sealing rings 200 , the end rod 12 is provided with an annular groove 122 , and the two sealing rings 200 are respectively installed in the two annular grooves 122 to prevent external moisture from entering the lock 20 through the gap between the lock beam 10 and the lock 20 .

[0056] The tamper-proof lock installation method includes the following steps:

[0057] Step S101: Assemble the lock body 50. First, install the drive assembly 90, the first clamp 70, and the second clamp 80 on the inner housing 532. Then, connect the middle portion of the torsion spring 60 to the limiting post 56. One end of the torsion spring 60 is connected to the first positioning post 75 of the first clamp 70, and the other end is connected to the second positioning post 85 of the second clamp 80. Finally, install the top cover 533 on the top of the inner housing 532 using the third fastener 23. The top cover 533, the inner housing 532, and the drive assembly 90 form a storage space 22. The first clamp 70, the second clamp 80, and the torsion spring 60 are all located in the storage space 22.

[0058] Step S102: Assemble the housing 30. First, install the fingerprint button 25 on the bottom plate 54. The fingerprint button 25 is electrically connected to the mainboard 921. Then, place the lock body 50 prepared in step S101 into the receiving slot 31 of the housing 30. Install the touch screen 24 in the drive assembly 90 into the mounting hole 33 of the housing 30. Finally, secure the bottom plate 54 to the housing 30 using multiple second fasteners 55. Secure the cover 40 to the bottom plate 54 using two first fasteners 100.

[0059] Step S103: Install the lock beam 10, insert the two end rods 12 of the lock beam 10 into the corresponding slots 51 through the two through holes 32 of the lock 20, and complete the assembly;

[0060] When locking is required, the two end rods 12 of the lock beam 10 are respectively inserted into the corresponding slots 51 through the two through holes 32, and the first clamping member 70 and the second clamping member 80 can move in opposite directions under the elastic action of the torsion spring 60, so that the first clamping member 70 and the second clamping member 80 are respectively clamped in the two clamping grooves 121 of the lock beam 10, and the lock beam 10 will not be able to be pulled out. The torsion spring 60 can realize the automatic return of the first clamping member 70 and the second clamping member 80 to lock; when unlocking is required, the driving component 90 can drive the first clamping member 70 and the second clamping member 80 to move toward each other, so that the first clamping member 70 and the second clamping member 80 are respectively disengaged from the two clamping grooves 121, so that the lock beam 10 can be pulled out from the lock device 20.

[0061] To sum up, the shell 30 and the cover 40 of the lock 20 of the present invention are fixed by two first fasteners 100, and the lock beam 10 blocks the two first fasteners 100 in the two slots 51 of the lock 20. The user can only remove the two first fasteners 100 by pulling out the lock beam 10 after successfully unlocking the lock, thereby preventing the illegal disassembly of the lock 20 and better protecting the user's property safety.

[0062] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A tamper-proof lock, characterized in that: include: The locking beam comprises a U-shaped rod and two end rods respectively connected to the two ends of the U-shaped rod, and the end rods are provided with at least one clamping groove; The lock device comprises a shell, a cover, a lock body, a torsion spring, a first clamping piece, a second clamping piece, a driving assembly and two first fasteners, the shell being provided with a receiving slot and two through holes both communicating with the receiving slot, the lock body being fixed in the receiving slot, the lock body being provided with two slots respectively arranged corresponding to the two through holes and two first through holes respectively communicating with the two slots, the first clamping piece and the second clamping piece are both slidably mounted on the lock body, the middle portion of the torsion spring is connected to the lock body, the two ends of the torsion spring are respectively connected to the first clamping piece and the second clamping piece, the driving assembly is mounted on the lock body, the cover is connected to the shell and seals the lock body, the torsion spring, the first clamping piece, the second clamping piece and the driving assembly in the receiving slot, the cover being provided with two first internal thread grooves, one end of the first fastener is located in the slot, and the other end passes through the first through hole and is connected to the first internal thread groove; When locking is required, the two end rods of the lock beam are respectively inserted into the corresponding slots through the two through holes, and the first clamping member and the second clamping member can move in opposite directions under the elastic action of the torsion spring, so that the first clamping member and the second clamping member are respectively clamped in the corresponding two slots; when unlocking is required, the driving component can drive the first clamping member and the second clamping member to move toward each other, so that the first clamping member and the second clamping member are respectively disengaged from the corresponding two slots.

2. The tamper-proof lock according to claim 1, wherein: The lock body includes a lock seat, a base plate and at least two second fasteners, the drive assembly is installed on the lock seat and encloses a storage space with the lock seat, the lock seat is provided with two positioning holes, both of which are connected to the storage space, the base plate is connected to the lock seat, the base plate and the inner wall of the positioning holes enclose the slot, the torsion spring, the first clamping member and the second clamping member are all located in the storage space, the first clamping member and the second clamping member are both connected to the drive assembly, the base plate is penetrated by two first through-holes and at least two second through-holes, the inner wall of the accommodating groove is provided with at least two second internal thread grooves, the second fastener is connected to the second internal thread groove after passing through the second through-hole, and the cover covers each second fastener.

3. The tamper-proof lock according to claim 2, wherein: The lock seat includes an inner shell and a top cover, the top cover is provided with a concave cavity and two first holes both connected to the concave cavity, the inner shell is provided with two second holes, the top cover, the bottom plate and the drive assembly are all installed on the inner shell, the two ends of the first hole are respectively connected to the through hole and the second hole, the first hole and the second hole constitute the positioning hole, and the inner wall of the concave cavity, the inner shell and the drive assembly enclose to form the storage space.

4. The tamper-proof lock according to claim 3, wherein: The lock also includes at least one third fastener located in the receiving groove, the top cover is penetrated by at least one third through-hole, the inner shell is further provided with at least one third internal thread groove, and the third fastener passes through the third through-hole and is connected to the third internal thread groove.

5. The tamper-proof lock according to claim 1, wherein: The first clamping member includes a first slide, a first positioning block, a second positioning block, a first locking tongue and a first positioning column. The first positioning block, the second positioning block and the first locking tongue are all protruded on the first slide. The second positioning block is located between the first positioning block and the first locking tongue. The first positioning column is protruded on the first locking tongue. The first slide slides on the lock body. The lock body is protruded with a limiting column. The middle part of the torsion spring is connected to the limiting column. One end of the torsion spring is connected to the first positioning column and the other end is connected to the second clamping member. The first locking tongue can be clamped in the corresponding slot.

6. The tamper-proof lock according to claim 5, characterized in that: The second holding component includes a second slide, a third positioning block, a fourth positioning block, a second locking tongue and a second positioning column. The third positioning block, the fourth positioning block and the second locking tongue are all protruded on the second slide, the fourth positioning block is located between the third positioning block and the second locking tongue, the second positioning column is protruded on the third positioning block, one end of the torsion spring is connected to the first positioning column, and the other end is connected to the second positioning column, and the second locking tongue can be clamped in the corresponding clamping groove.

7. The tamper-proof lock according to claim 6, wherein: The drive assembly includes a first drive mechanism, which includes a first transmission member and a lock core for driving the first transmission member to rotate. The lock core is installed on the lock body. The first transmission member includes a first boss installed on the lock core and a first support plate protruding from the first boss. The first support plate is clamped between the first positioning block and the fourth positioning block. The cover is also provided with an avoidance hole corresponding to the lock core.

8. The tamper-resistant lock according to claim 6, wherein: The drive assembly also includes a second drive mechanism, which includes a main board, a lithium battery, a motor and a second transmission member. The second transmission member includes a second boss mounted on the motor and a second support plate protruding from the second boss. The second support plate is clamped between the second positioning block and the third positioning block. The lithium battery and the motor are both electrically connected to the main board.

9. The tamper-resistant lock according to claim 8, wherein: The lock further includes a touch screen. The housing is further provided with a mounting hole communicating with the accommodating groove. The touch screen is mounted on the mounting hole. The touch screen is electrically connected to the mainboard.

10. The tamper-resistant lock according to claim 1, wherein: The cover includes a cover plate and two studs protruding from the cover plate. The cover plate is mounted on the shell, and the two first internal thread grooves are respectively provided on the two studs.

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