CN113738199A

CN113738199A - Anti-theft device

Info

Publication number: CN113738199A
Application number: CN202111043751.8A
Authority: CN
Inventors: 杨君; 林文东; 黎超强
Original assignee: Shenzhen Nubomed Technology Co Ltd
Current assignee: Shenzhen Nubomed Technology Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-12-03
Anticipated expiration: 2041-09-07
Also published as: CN113738199B

Abstract

The invention discloses an anti-theft device, which comprises a bracket, a latch hook assembly and a locking assembly, wherein the latch hook assembly is arranged on the bracket; the bracket is arranged near an object to be locked; the lock hook assembly comprises a first lock hook and a second lock hook, and the first lock hook and the second lock hook are movably arranged on the bracket relatively so as to enable the first lock hook and the second lock hook to be close to and hook the object to be locked and enable the object to be locked to be in a state to be locked; the locking assembly is arranged on the bracket and used for limiting the relative movement of the first locking hook and the second locking hook so as to enable the object to be locked to be in a locking state; so set up, can prevent that illegal personnel from stealing the thing of treating the lock of arranging on the operation panel to improve the theftproof nature of medical shallow.

Description

Anti-theft device

Technical Field

The invention relates to the technical field of security protection, in particular to an anti-theft device.

Background

With the development of the medical industry, the use of various medical carts brings great convenience to medical staff. In the prior art, a medical cart includes a cart body, an operation table, and an electronic device, wherein the electronic device is a desktop computer, a notebook computer, or other electronic devices. Desktop computer includes host computer and display, and the host computer is installed in the operation panel, and the display is installed on the operation panel, so set up, and illegal personnel can't steal desktop computer easily. However, in order to facilitate the medical staff to move the notebook computer, the notebook computer is arranged on the operation table and is not fixedly connected with the operation table, so that illegal staff can easily steal the notebook computer arranged on the operation table, and property loss of hospitals and privacy disclosure of patients are caused.

Disclosure of Invention

The invention mainly aims to provide an anti-theft device, and aims to solve the problems that in the prior art, due to poor anti-theft performance of a medical trolley, a notebook computer arranged on an operation table is easily stolen, property loss of a hospital is caused, and privacy of a patient is revealed.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

an anti-theft device, comprising:

the bracket is arranged near an object to be locked;

the locking hook assembly comprises a first locking hook and a second locking hook, and the first locking hook and the second locking hook are movably arranged on the bracket relatively so as to enable the first locking hook and the second locking hook to be close to and hook the object to be locked and enable the object to be locked to be in a state to be locked;

the locking assembly is arranged on the bracket and used for limiting the relative movement of the first locking hook and the second locking hook so as to enable the object to be locked to be in a locking state.

The lock hook assembly further comprises a sliding part, the first lock hook is connected with one end of the sliding part, the sliding part is slidably arranged in the support, so that the first lock hook can extend out or retract along one end of the support, and the second lock hook is connected with the other end of the support.

The plate body comprises a first part, a connecting part and a second part, one end of the connecting part is connected with the first part, the other end of the connecting part is connected with the second part, and the first part, the connecting part and the second part form a first groove together so that the bracket covers the side edge of the operating table; the sliding part is slidably arranged on the inner side of the first part, so that the first locking hook can extend out or retract along one end of the first part, the second locking hook is connected with the other end of the first part, the mounting seat is arranged on one side, away from the first part and the second part, of the connecting part, and the second through hole is formed in the connecting part.

The plate body comprises a first part, a connecting part and a second part, one end of the connecting part is connected with the first part, the other end of the connecting part is connected with the second part, and the first part, the connecting part and the second part form a first groove together so that the bracket covers the side edge of the operating table; the sliding part is slidably arranged on the inner side of the first part, so that the first locking hook can extend out or retract along one end of the first part, the second locking hook is connected with the other end of the first part, the mounting seat is arranged on the connecting part, and the second through hole is arranged on the connecting part.

The first portion is disposed adjacent to an upper surface of the console, the first latch hook is disposed to be inclined upward at one end of the sliding portion, and the second latch hook is disposed to be inclined upward at the other end of the first portion.

The second latch hook sets up the inboard of first part, the one end that the sliding part kept away from first latch hook is equipped with dodges the groove to make the sliding part dodges at gliding in-process the second latch hook makes the sliding part can retract completely the inboard of first part.

The anti-theft device further comprises a limiting assembly, the limiting assembly is arranged on the first portion, and the limiting assembly is used for limiting the moving range of the sliding portion.

The limiting assembly comprises a first limiting piece and a second limiting piece, a sliding groove is formed in the sliding portion, and the first limiting piece is arranged on the first portion and located in the sliding groove so as to limit the moving range of the sliding portion along the first direction; the second limiting piece is arranged on the first limiting piece to limit the moving range of the sliding part along the second direction.

The first limiting part comprises a first threaded column and a second threaded column, the second limiting part comprises a first nut and a second nut, and the first threaded column and the second threaded column are arranged on the first part along the length direction of the first part and are both positioned in the sliding groove so as to limit the moving range of the sliding part along the arrangement direction of the first threaded column and the second threaded column; the first nuts and the second nuts are arranged on the first threaded columns and the second threaded columns in a one-to-one correspondence mode so as to limit the moving range of the sliding portions in the height direction of the first threaded columns and the second threaded columns.

The locking assembly comprises a lock body, a lock cylinder and a lock catch, and the lock body penetrates through the first through hole and is fixed on the mounting seat; the lock cylinder is arranged in the lock body; the lock catch is arranged at one end of the lock cylinder, which is far away from the lock body; the sliding part is provided with a plurality of second grooves which are arranged at intervals; when the first lock hook moves to a position to be locked and hooks the object to be locked with the second lock hook respectively, the lock cylinder is rotated to drive the lock catch to rotate, so that the lock catch is clamped into the second groove correspondingly, and the sliding part is limited to move.

The lock body comprises a body, a butting part and a locking ring, one end of the body is connected with the butting part, the other end of the body penetrates through the first through hole and butts against the mounting seat through the butting part, and the locking ring is locked into the body from the other end of the body towards one end of the body so as to fix the body onto the mounting seat.

The lock body is provided with a limiting notch, the first through hole is matched with the lock body, and the inner wall of the first through hole surrounds the body and abuts against the outer wall of the limiting notch so as to limit the lock body to rotate along the circumferential direction of the first through hole.

The lock catch comprises a lock catch plate, a buckle body and a fastener, the lock catch plate is connected with the buckle body, the lock cylinder is provided with a limiting boss, the limiting boss protrudes out of one end, far away from the abutting portion, of the lock body, a threaded hole is formed in the lock body, the lock catch plate is sleeved on the limiting boss, and the fastener penetrates through the threaded hole and abuts against the lock catch plate to fix the lock catch to the lock cylinder.

Compared with the prior art, the invention has the following beneficial effects:

according to the anti-theft device, the first locking hook and the second locking hook are movably arranged on the support relatively, and the first locking hook and the second locking hook can be close to and hook an object to be locked without size by adjusting the distance between the first locking hook and the second locking hook, so that the application range of the anti-theft device is widened. The first lock hook and the second lock hook can respectively hook the object to be locked so as to enable the object to be locked to be in a state to be locked; the first locking hook and the second locking hook can be limited to move relatively through the locking assembly, so that the object to be locked is in a locking state. So set up, can prevent that illegal personnel from stealing the thing of treating the lock to improve the theftproof nature of medical shallow.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a sliding portion of an anti-theft device according to one embodiment of the present invention fully retracted;

FIG. 2 is a schematic view of a sliding portion of an anti-theft device according to one embodiment of the present invention fully extended;

FIG. 3 is a front view of an anti-theft device according to one embodiment of the present invention;

FIG. 4 is a schematic view of a stent according to one embodiment of the present invention;

FIG. 5 is a schematic view of a shackle assembly according to one embodiment of the present invention;

FIG. 6 is a schematic view of a locking assembly according to one embodiment of the present invention;

FIG. 7 is an exploded view of a locking assembly according to one embodiment of the present invention;

figure 8 is a schematic view of a stop assembly according to one embodiment of the present invention.

10. An anti-theft device; 1. a support; 11. a plate body; 111. a first portion; 112. a connecting portion; 1121. a second through hole; 113. a second portion; 1131. a first mounting hole; 12. a mounting seat; 121. mounting grooves; 122. a first through hole; 13. a first groove; 2. a latch hook assembly; 21. a sliding part; 211. an avoidance groove; 212. a second groove; 213. a chute; 22. a first latch hook; 23. a second latch hook; 3. a locking assembly; 31. a lock body; 311. a body; 3111. a limiting notch; 312. a butting part; 313. a locking ring; 32. a lock cylinder; 321. a limiting boss; 3211. a threaded hole; 33. locking; 331. a locking plate; 3311. a third through hole; 332. a buckle body; 333. a fastener; 3331. a screw; 3332. a nut; 4. a limiting component; 41. a first limit piece; 411. a first threaded post; 412. a second threaded post; 42. a second limiting member; 421. a first nut; 422. a second nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only one connecting portion embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-3, in one embodiment, an anti-theft device 10 is provided, the anti-theft device 10 including a bracket 1, a shackle assembly 2, and a locking assembly 3.

As shown in fig. 4, in the present embodiment, the bracket 1 includes a plate body 11 and a mounting seat 12 disposed on the plate body 11, the mounting seat 12 has a mounting groove 121, a first through hole 122 is disposed at the bottom of the mounting groove 121, a second through hole 1121 is disposed on the plate body 11, the first through hole 122, the mounting groove 121 and the second through hole 1121 are communicated in a first direction, and the locking component 3 is disposed through the first through hole 122 and fixed on the mounting seat 12.

The plate body 11 includes a first portion 111, a connecting portion 112 and a second portion 113, one end of the connecting portion 112 is connected to the first portion 111, and the other end is connected to the second portion 113, and the first portion 111, the connecting portion 112 and the second portion 113 together form a first groove 13, so that the plate body 11 covers the side of the operating table. When the support 1 is installed, the support 1 can be hung on the operating table through the first grooves 13, so that the hands of an operator are released, the two hands of the operator can operate the fastener simultaneously, and the support 1 can be installed on the operating table quickly.

Specifically, the mount 12 is disposed on a side of the connection portion 112 away from the first and

second portions

111 and 113.

In this embodiment, the second portion 113 is provided with a first mounting hole 1131, and a corresponding position of the operating platform is provided with a second mounting hole (not shown), and the plate 11 is mounted on the operating platform by passing a fastener through the first mounting hole 1131 and the second mounting hole in sequence. When the plate body 11 is attached, the second portion 113 is attached to the lower surface of the console, and the first attachment hole 1131 is provided in the second portion 113, so that the fastener cannot be seen from the side surface (the side surface of the console can see the connecting portion 112) and the upper surface (the upper surface of the console can see the first portion 111) of the console, thereby improving the theft prevention performance of the theft prevention device 10.

It is appreciated that in alternative embodiments, the first mounting hole 1131 may also be disposed on the connecting portion 112; the first mounting hole 1131 is not generally provided on the first part 111 because the slidable sliding portion 21 is provided on the first part 111, which would make the sliding portion 21 difficult to slide once the first part 111 is locked to the console by the fastener.

Specifically, the number of the first mounting holes 1131 and the number of the second mounting holes are multiple and are arranged in a one-to-one correspondence.

Further, the number of the first mounting holes 1131 and the number of the second mounting holes are three and are arranged in a one-to-one correspondence.

In the present embodiment, the first portion 111, the connecting portion 112, and the second portion 113 are all plate-shaped structures.

As shown in fig. 1-2 and 5, in the present embodiment, the latch hook assembly 2 includes a sliding portion 21, a first latch hook 22 and a second latch hook 23, the first latch hook 22 is connected to one end of the sliding portion 21, the sliding portion 21 is slidably disposed in the bracket 1, so that the first latch hook 22 can extend or retract along one end of the bracket 1, and the position of the first latch hook 22 extending or retracting from one end of the bracket 1 can be adjusted, so that the first latch hook 22 can hook an object to be locked with an unused size, thereby improving the application range of the anti-theft device 10. The object is locked, and therefore, a state in which the first locking hook 22 and the second locking hook 23 respectively hook the object to be locked and the first locking hook 22 is still movable is referred to as an object-to-be-locked state.

Specifically, the sliding portion 21 is slidably disposed inside the first portion 111 such that the first locking hook 22 can be extended or retracted along one end of the first portion 111, and the second locking hook 23 is connected to the other end of the first portion 111.

In this embodiment, the object to be locked is a notebook computer.

The first portion 111 is disposed adjacent to the upper surface of the console, so that the distance between the sliding portion 21 and the console is small, the sliding portion 21 can slide adjacent to the upper surface of the console, an illegal person can be prevented from operating the sliding portion 21 through a gap between the first portion 111 and the console, the locking assembly 3 can reliably lock the sliding portion 21, and the theft prevention performance of the theft prevention device 10 is improved. The first locking hook 22 is obliquely provided upward at one end of the sliding part 21, and the second locking hook 23 is obliquely provided upward at the other end of the first part 111, so that the first locking hook 22 and the second locking hook 23 can reliably catch an object to be locked having a certain height, thereby improving the reliability of the antitheft device 10.

In the present embodiment, the second locking hook 23 is coupled to the inside of the first part 111 so that the coupling point of the first locking hook 22 and the first part 111 is not visible from the outside of the stand 1, thereby improving the aesthetic appearance of the stand 1. The other end of the sliding portion 21 is provided with an escape groove 211, so that the sliding portion 21 escapes from the second locking hook 23 during sliding, so that the sliding portion 21 can be completely retracted into the inner side of the first portion 111. The sliding stroke of the sliding part 21 can be increased by the avoiding groove 211, so that the first lock hook 22 can hook an object to be locked with a smaller size, and the application range of the anti-theft device 10 is increased; and also fully retracts the sliding portion 21 inside the first portion 111, making the anti-theft device 10 less bulky, thereby reducing packaging and shipping costs of the anti-theft device 10.

Since the first locking hook 22 and the second locking hook 23 in the locking state do not really lock the object to be locked, only the sliding part 21 is limited to move, the first locking hook 22 can be limited to move, and thus the object to be locked is really locked. In the present embodiment, the locking assembly 3 is disposed on the mounting seat 12, and the locking assembly 3 is used for limiting the movement of the sliding part 21 so as to enable the object to be locked to be in a locking state. The movement of the sliding portion 21 is restricted by the locking assembly 3, so that the first locking hook 22 cannot move, and the object to be locked is locked, and the locked object cannot be easily stolen, therefore, the state in which the first locking hook 22 and the second locking hook 23 respectively hook the object to be locked and the first locking hook 22 cannot move is referred to as a locking state.

As shown in fig. 1, 4 and 6-7, in the present embodiment, the locking assembly 3 includes a lock body 31, a lock core 32 and a lock catch 33, the lock body 31 is disposed through the first through hole 122 and fixed on the mounting base 12; the lock cylinder 32 is disposed in the lock body 31; the lock catch 33 is arranged at one end of the lock core 32 far away from the lock body 31; the sliding portion 21 is provided with a plurality of second grooves 212 arranged at intervals, so that the anti-theft device 10 can finely adjust the position of the first locking hook 22 extending out of or retracting into one end of the first portion 111, and the first locking hook 22 can reliably hook objects to be locked with different sizes, thereby improving the reliability of the anti-theft device 10. When the first locking hook 22 moves to the to-be-locked position and hooks the to-be-locked object with the second locking hook 23, the lock core 32 is rotated, so that the lock core 32 drives the lock catch 33 to rotate, and the lock catch 33 is clamped into the corresponding second groove 212, thereby limiting the sliding part 21 from moving.

In the embodiment, the lock body 31 includes a body 311, a top part 312 and a lock ring 313, one end of the body 311 is connected to the top part 312, the other end passes through the first through hole 122 and abuts against the mounting seat 12 through the top part 312, and the lock ring 313 is locked into the body 311 from the other end of the body 311 toward one end to fix the body 311 to the mounting seat 12. Through the cooperation of body 311 and catch 313, can realize the quick assembly disassembly of locking Assembly 3 to improve the dismouting efficiency of locking Assembly 3.

In this embodiment, an outer wall of the body 311 is provided with an external thread, an inner wall of the lock ring 313 is provided with an internal thread adapted to the external thread, and the lock ring 313 is locked into the body 311 from the other end of the body 311 toward one end by the cooperation of the external thread and the internal thread.

In this embodiment, the external thread is provided with a limiting notch 3111, the first through hole 122 is adapted to the lock body 31, and an inner wall of the first through hole 122 surrounds the external thread and abuts against an outer wall of the limiting notch 3111 to limit the lock body 31 to rotate along the circumferential direction of the first through hole 122. With such an arrangement, the lock catch 33 can be prevented from rotating along the circumferential direction of the first through hole 122 under an abnormal condition, so that the lock cylinder 32 can drive the lock catch 33 to be clamped into the corresponding second groove 212, thereby improving the reliability of the anti-theft device 10.

Specifically, the number of the stopper notch 3111 is plural.

Further, the number of the spacing notches 3111 is two and two spacing notches 3111 are symmetrically arranged.

In this embodiment, the latch 33 includes a latch plate 331, a buckle body 332 and a fastening member 333, the latch plate 331 is connected to the buckle body 332, a threaded hole 3211 is disposed at one end of the lock cylinder 32 away from the lock body 31, a third through hole 3311 is disposed on the latch plate 331, and the fastening member 333 passes through the third through hole 3311 and penetrates through the threaded hole 3211 and abuts against the latch plate 331, so as to fix the latch 33 to the lock cylinder 32. Through the cooperation of fastener 333 and hasp board 331, can realize the quick assembly disassembly of locking component 3 to improve the dismouting efficiency of locking component 3.

In this embodiment, the fastening member 333 includes a screw 3331 and a nut 3332 connected to each other, the area of the nut 3332 is larger than that of the third through hole 3311, the screw 3331 is inserted through the third through hole 3311 and screwed into the threaded hole 3211, and finally the nut 3332 abuts against the locking plate 331 to fix the locking plate 331 to the key cylinder 32.

In this embodiment, the lock cylinder 32 is provided with a limiting boss 321, the threaded hole 3211 is disposed on the limiting boss 321, the third through hole 3311 is adapted to the limiting boss 321, and an inner wall of the third through hole 3311 surrounds and abuts against an outer wall of the limiting boss 321 to limit circumferential rotation of the buckle plate 331 along the lock cylinder 32. With such an arrangement, the lock catch 33 can be prevented from rotating along the circumferential direction of the lock cylinder 32 under an abnormal condition, so that the lock cylinder 32 can drive the buckle body 332 to be clamped into the corresponding second groove 212, thereby improving the reliability of the anti-theft device 10.

In this embodiment, the upper surface of the limiting boss 321 is square. It will be appreciated that in alternative embodiments, the upper surface of the stop boss 321 may also be triangular, rectangular, diamond-shaped, or other polygonal shape.

As shown in fig. 1 and 8, the antitheft device 10 further includes a stopper assembly 4, and the stopper assembly 4 is provided on the first portion 111, and the stopper assembly 4 is used to limit the moving range of the sliding portion 21. With this arrangement, the sliding portion 21 can be prevented from coming off the first portion 111 during sliding, so that the sliding portion 21 can always slide on the first portion 111, thereby ensuring reliability of sliding of the sliding portion 21.

The limiting assembly 4 includes a first limiting member 41 and a second limiting member 42, a sliding slot 213 is disposed on the sliding portion 21, and the first limiting member 41 is disposed on the first portion 111 and located in the sliding slot 213 to limit a moving range of the sliding portion 21 along the first direction X. The second stopper 42 is disposed on the first stopper 41 to limit the moving range of the sliding portion 21 in the second direction Y. Through the first limiting member 41, the sliding portion 21 can be prevented from coming off from the first direction X in the process of sliding on the first portion 111, through the second limiting member 42, the sliding portion 21 can be prevented from coming off from the second direction Y in the process of sliding on the first portion 111, and through the cooperation of the first limiting member 41 and the second limiting member 42, the sliding portion 21 can always slide on the first portion 111 along the first direction X, so that the sliding reliability of the sliding portion 21 is ensured.

In the present embodiment, the first limiting member 41 includes a first threaded column 411 and a second threaded column 412, the second limiting member 42 includes a first nut 421 and a second nut 422, and the first threaded column 411 and the second threaded column 412 are disposed on the first portion 111 along the length direction of the first portion 111 and both located in the sliding slot 213, so as to limit the moving range of the sliding portion 21 along the arrangement direction of the first threaded column 411 and the second threaded column 412; first and

second nuts

421 and 422 are provided on the first and second threaded

columns

411 and 412 in one-to-one correspondence to limit the range of movement of the slider 21 in the height direction of the first and second threaded

columns

411 and 412.

The anti-theft device 10 further comprises a buffer member (not shown) located between the first portion 111 and the sliding portion 21, and arranged such that direct friction between the first portion 111 and the sliding portion 21 can be avoided, so that the coefficient of friction between the first portion 111 and the sliding portion 21 is reduced, so that the first portion 111 and the sliding portion 21 are not easily damaged, thereby improving the service life of the anti-theft device 10.

In this embodiment, the buffer member includes a first buffer pad and a second buffer pad, the first buffer pad is sleeved on the first threaded column 411 and located between the first portion 111 and the sliding portion 21, and the second buffer pad is sleeved on the second threaded column 412 and located between the first portion 111 and the sliding portion 21.

The working principle is as follows:

when a user needs to lock an object to be locked on the operating platform, the second locking hook 23 hooks one side of the object to be locked, the first locking hook 22 is adjusted to retract to the position of one end of the first portion 111, so that the first locking hook 22 hooks the other side of the object to be locked, and finally the lock cylinder 32 is rotated, so that the lock cylinder 32 drives the lock catch 33 to rotate, the lock catch 33 is clamped into the corresponding second groove 212, the sliding portion 21 is limited to move, and the object to be locked can be locked on the operating platform. When a user needs to take away a locked object on the operating table, the lock core 32 is rotated first, so that the lock core 32 drives the lock catch 33 to rotate, the lock catch 33 is moved out of the corresponding second groove 212, the limitation on the sliding portion 21 is removed, the position of one end, extending out of the first portion 111, of the first lock hook 22 is adjusted, the other side of the object to be locked is unhooked from the first lock hook 22, and finally one side of the object to be locked is unhooked from the second lock hook 23, so that the object to be locked on the operating table can be taken away.

The installation process comprises the following steps:

the first step is as follows: the locking assembly 3 is installed.

1. The lock body 31 is installed first. The other end of the body 311 is first inserted through the first through hole 122 on the mounting seat 12, so that the inner wall of the first through hole 122 surrounds the external thread of the body 311 and abuts against the outer wall of the limiting notch 3111 to limit the lock body 31 to rotate along the circumferential direction of the first through hole 122, then abuts against the mounting seat 12 through the abutting portion 312, and finally the lock ring 313 is locked into the body 311 from the other end of the body 311 toward one end, so that the body 311 is fixed on the mounting seat 12.

2. The latch 33 is then installed. The locking plate 331 is first placed on the limiting boss 321 of the lock cylinder 32, so that the inner wall of the third through hole 3311 on the locking plate 331 surrounds and abuts against the outer wall of the limiting boss 321, thereby limiting the locking plate 331 from rotating along the circumferential direction of the lock cylinder 32. Then, the fastening member 333 passes through the third through hole 3311 and simultaneously penetrates the threaded hole 3211 and abuts against the latch plate 331 to fix the latch 33 to the key cylinder 32, thereby completing the installation of the locking assembly 3.

The second step is that: and installing a limiting assembly 4.

1. The first stopper 41 is first installed. First threaded columns 411 and second threaded columns 412 are arranged on the first portion 111 respectively, first buffer gaskets and second buffer gaskets are sleeved on the first threaded columns 411 and the second threaded columns 412 in a one-to-one correspondence mode, finally the sliding portion 21 is arranged on the first portion 111, the first threaded columns 411 and the second threaded columns 412 are located in the sliding grooves 213, and the moving range of the sliding portion 21 in the arrangement direction of the first threaded columns 411 and the second threaded columns 412 is limited.

2. The second limiting member 42 is then installed. The first nuts 421 and the second nuts 422 are provided on the first threaded columns 411 and the second threaded columns 412 in one-to-one correspondence to limit the moving range of the sliding portions 21 in the height direction of the first threaded columns 411 and the second threaded columns 412, thereby completing the installation of the entire antitheft device 10.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An anti-theft device, comprising:

the bracket is arranged near an object to be locked;

2. The anti-theft device according to claim 1, wherein the latch hook assembly further includes a sliding portion, the first latch hook is connected to one end of the sliding portion, the sliding portion is slidably disposed in the bracket so that the first latch hook can be extended or retracted along one end of the bracket, and the second latch hook is connected to the other end of the bracket.

3. The anti-theft device according to claim 2, wherein the bracket includes a plate body and a mounting seat provided on the plate body, the sliding portion is slidably provided in the plate body so that the first latch hook can extend or retract along one end of the plate body, the second latch hook is connected to the other end of the plate body, the mounting seat has a mounting groove, a first through hole is provided at a bottom of the mounting groove, a second through hole is provided on the plate body, the first through hole, the mounting groove and the second through hole communicate in a first direction, and the locking assembly is inserted into the first through hole and fixed on the mounting seat.

4. The anti-theft device according to claim 3, wherein the plate body comprises a first portion, a connecting portion and a second portion, one end of the connecting portion is connected with the first portion, the other end of the connecting portion is connected with the second portion, and the first portion, the connecting portion and the second portion together form a first groove so that the bracket covers the side edge of the operating table; the sliding part is slidably arranged on the inner side of the first part, so that the first locking hook can extend out or retract along one end of the first part, the second locking hook is connected with the other end of the first part, the mounting seat is arranged on one side, away from the first part and the second part, of the connecting part, and the second through hole is formed in the connecting part.

5. The antitheft device according to claim 4, wherein the first locking hook is provided obliquely on one end of the sliding portion, and the second locking hook is provided obliquely on the other end of the first portion.

6. The anti-theft device according to claim 4, wherein the second locking hook is disposed inside the first portion, and an end of the sliding portion away from the first locking hook is provided with an escape groove so that the sliding portion escapes from the second locking hook during sliding, so that the sliding portion can be completely retracted into the inside of the first portion.

7. The anti-theft device of claim 4, further comprising a stop assembly disposed on the first portion for limiting the range of movement of the sliding portion.

8. The anti-theft device according to claim 7, wherein the limiting assembly comprises a first limiting member and a second limiting member, the sliding portion is provided with a sliding slot, and the first limiting member is disposed on the first portion and located in the sliding slot to limit a moving range of the sliding portion along the first direction; the second limiting piece is arranged on the first limiting piece to limit the moving range of the sliding part along the second direction.

9. The antitheft device according to claim 8, wherein the first retaining member comprises a first threaded post and a second threaded post, and the second retaining member comprises a first nut and a second nut, the first threaded post and the second threaded post being disposed on the first portion along a length direction of the first portion and both being located within the slide slot to limit a range of movement of the sliding portion along an arrangement direction of the first threaded post and the second threaded post; the first nuts and the second nuts are arranged on the first threaded columns and the second threaded columns in a one-to-one correspondence mode so as to limit the moving range of the sliding portions in the height direction of the first threaded columns and the second threaded columns.

10. The anti-theft device according to any one of claims 3 to 9, wherein the locking assembly comprises a lock body, a lock cylinder and a lock catch, the lock body is arranged through the first through hole and fixed on the mounting seat; the lock cylinder is arranged in the lock body; the lock catch is arranged at one end of the lock cylinder, which is far away from the lock body; the sliding part is provided with a plurality of second grooves which are arranged at intervals; when the first lock hook moves to a position to be locked and hooks the object to be locked with the second lock hook respectively, the lock cylinder is rotated to drive the lock catch to rotate, so that the lock catch is clamped into the second groove correspondingly, and the sliding part is limited to move.