QKD case anti-theft structure
By designing a rotary tongue lock and a locking hook mechanism in the QKD device, it is possible to lock or unlock multi-layer structures simultaneously, solving the problem of low security in existing technologies and improving both ease of operation and security.
Patent Information
- Application Number
- CN202423283569.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing QKD equipment chassis structure cannot lock multiple layers simultaneously, resulting in low security and inconvenient operation.
A QKD chassis anti-theft structure was designed. The rotating tongue lock mechanism drives the locking hook mechanism to move linearly, so that multiple tray locking hooks can be engaged or disengaged from the tray locking slots at the same time, and the multi-layer structure can be locked or unlocked at the same time.
It improves the security and ease of operation of QKD devices and provides effective anti-theft protection for multi-layered structures.
Smart Images

Figure CN223611935U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to quantum key distribution equipment field, concretely relates to a QKD machine case theftproof structure. BACKGROUND
[0002] Quantum key distribution (QKD) is a method of communication security based on quantum mechanics. According to the basic principles of quantum mechanics, quantum key distribution can provide a means of communication that is unconditionally secure in principle.
[0003] However, the current QKD equipment adopts a simple case structure, mostly without taking anti-theft measures, which does not meet the requirements of network security. Some even have physical lock function, but it is only for locking a single 1U case, and cannot lock multiple 1U cases or cases of different sizes such as 2U in multi-layer structure at the same time, which is not convenient to operate and has low security. UTILITY MODEL CONTENTS
[0004] The utility model discloses a QKD machine case theftproof structure to solve the problem that the current QKD equipment adopts the case and cannot lock multiple layers at the same time.
[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0006] A QKD machine case theftproof structure, comprising a box body, a tongue lock mechanism and a lock hook mechanism;
[0007] The tongue lock mechanism is installed on one side wall of the box body; the lock hook mechanism is movably connected with the tongue lock mechanism and moves linearly with the rotation of the tongue lock mechanism;
[0008] The lock hook mechanism comprises a lock hook strip and a tray lock hook, and the lock hook strip and the tray lock hook are fixedly connected;
[0009] A plurality of trays are installed in the box body; the number of tray lock hooks matches the number of trays, and the spacing of the tray lock hooks matches the spacing of the trays; the tray is provided with a tray buckle slot corresponding to the tray lock hook; the lock hook strip is slidably connected with one side wall of the box body.
[0010] In the above scheme, the tongue lock mechanism is rotated to drive the lock hook mechanism to move linearly, so that multiple tray lock hooks are combined with or separated from the matching tray buckle slots at the same time, thereby realizing the simultaneous locking or unlocking of multiple layers, effectively improving the security and being convenient to operate.
[0011] Preferably, the tongue lock mechanism comprises a tongue lock main body, a tongue piece and a tongue lock pin;
[0012] The rotating tongue lock body is installed on a side wall of the box body, the rotating tongue piece is fixedly installed on the rotating tongue lock body and rotates coaxially with a lock core of the rotating tongue lock body, the rotating tongue lock pin is fixedly connected with the rotating tongue piece and is an eccentric structure, and the rotating tongue lock pin is movably connected with the lock hook mechanism.
[0013] Preferably, the lock hook mechanism further comprises a limiting piece.
[0014] The limiting piece is fixedly connected with the lock hook strip and movably connected with the rotating tongue lock pin.
[0015] Preferably, the limiting piece comprises a first pin and a second pin arranged axially in parallel.
[0016] The first pin and the second pin are fixedly connected with the lock hook strip respectively, the rotating tongue lock pin is located between the first pin and the second pin and axially perpendicular to the first pin and the second pin respectively.
[0017] Preferably, the first pin and the second pin are equal in length and the length exceeds the radius of a rotating track of the rotating tongue lock pin.
[0018] Preferably, the box body further comprises a detachable top cover, and the top cover is provided with a top cover buckle.
[0019] Preferably, the lock hook mechanism further comprises a top cover lock hook movably connected with the top cover buckle.
[0020] Preferably, the top cover buckle is of a U-shaped structure.
[0021] Preferably, the relative sliding mechanism is further comprised, and the lock hook strip is slidably connected with a side wall of the box body through the relative sliding mechanism.
[0022] Preferably, the relative sliding mechanism comprises a guide rail and a sliding block matched and arranged.
[0023] The guide rail is fixedly connected with the lock hook strip, and the sliding block is fixedly connected with the side wall of the box body.
[0024] The beneficial technical effects of the utility model are as follows:
[0025] The utility model discloses a QKD machine box anti -theft structure, through rotating rotating tongue lock mechanism to drive lock hook mechanism to move linearly, realize multiple tray lock hook with the matching tray buckle position groove combination or separation simultaneously, thereby realize the simultaneous locking or unlocking of multilayer structure, effectively improve security, and convenient operation. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is the whole structure schematic diagram of the utility model;
[0027] Figure 2The utility model discloses a structure schematic drawing of the connection of the lock hook mechanism, the tongue lock mechanism and the relative sliding mechanism.
[0028] Figure 3 The utility model discloses a structure schematic drawing of the connection of the lock hook mechanism, the tongue lock mechanism and the relative sliding mechanism.
[0029] Figure 4 The utility model discloses a structure schematic drawing of the connection of the lock hook mechanism, the tongue lock mechanism and the relative sliding mechanism.
[0030] Figure 5 The utility model discloses a structure schematic drawing of the connection of the lock hook mechanism, the tongue lock mechanism and the relative sliding mechanism.
[0031] 1, box body, 11, tray, 111, tray buckle slot, 12, top cover, 121, top cover buckle, 2, tongue lock mechanism, 21, tongue lock main body, 22, tongue piece, 23, tongue lock peg, 3, lock hook mechanism, 31, lock hook strip, 32, tray lock hook, 33, limiting piece, 34, top cover lock hook, 4, relative sliding mechanism, 41, guide rail, 42, sliding block. Specific implementation
[0032] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, the following with example to the utility model carries out further detailed explanation, but the utility model's scope of protection is not limited to following specific example.
[0033] Example 1
[0034] As Figures 1-5 The utility model discloses a QKD machine case theftproof structure, including box body 1, tongue lock mechanism 2 and lock hook mechanism 3.
[0035] The tongue lock mechanism 2 is installed on the one side wall of box body 1, the lock hook mechanism 3 with tongue lock mechanism 2 is movably connected, and linearly moves along with the rotation of the tongue lock mechanism 2.
[0036] The lock hook mechanism 3 includes lock hook strip 31 and tray lock hook 32, and the lock hook strip 31 and tray lock hook 32 are fixedly connected.
[0037] The box body 1 is installed with a plurality of trays 11 in the inside, the number of tray lock hook 32 is matched with the number of tray 11, and the interval of tray lock hook 32 is matched with the interval of tray 11, the tray 11 is provided with the tray buckle slot 111 corresponding with tray lock hook 32, and the lock hook strip 31 is slidably connected with the one side wall of box body 1.
[0038] In the specific implementation process, the rotating tongue lock mechanism 2 drives the lock hook mechanism 3 to move linearly, realizes that the plurality of tray lock hooks 32 are combined with or separated from the matching tray buckle slot 111 at the same time, thereby realizing the simultaneous locking or unlocking of the multi-layer structure, effectively improving the safety, and the operation is convenient.
[0039] More specifically, the rotating tongue lock mechanism 2 includes a rotating tongue lock body 21, a rotating tongue piece 22 and a rotating tongue lock pin 23.
[0040] The rotating tongue lock body 21 is installed on a side wall of the box body 1, the rotating tongue piece 22 is fixedly installed on the rotating tongue lock body 21 and rotates coaxially with the lock core of the rotating tongue lock body 21, the rotating tongue lock pin 23 is fixedly connected with the rotating tongue piece 22 and is an eccentric structure, and the rotating tongue lock pin 23 is movably connected with the lock hook mechanism 3.
[0041] In the specific implementation process, the rotating tongue lock pin 23 is fixedly riveted on the rotating tongue piece 22, the rotating tongue piece 22 is fixedly installed on the rotating tongue lock body 21 through a disc head cross machine screw, and the rotating tongue lock body 21 is installed on a panel hole of a side wall of the box body 1 through a self-provided nut.
[0042] More specifically, the lock hook mechanism 3 further includes a limiting piece 33.
[0043] The limiting piece 33 is fixedly connected with the lock hook strip 31 and movably connected with the rotating tongue lock pin 23.
[0044] More specifically, the limiting piece 33 includes a first pin and a second pin which are arranged axially in parallel.
[0045] The first pin and the second pin are respectively fixedly connected with the lock hook strip 31, the rotating tongue lock pin 23 is located between the first pin and the second pin, and the rotating tongue lock pin 23 is axially perpendicular to the first pin and the second pin, respectively.
[0046] In the specific implementation process, the first pin and the second pin are respectively fixedly riveted on the lock hook strip 31.
[0047] More specifically, the first pin and the second pin are equal in length and the length exceeds the radius of the rotating track of the rotating tongue lock pin 23.
[0048] In the specific implementation process, the assembly of the rotating tongue lock pin 23 and the rotating tongue piece 22 is an eccentric structure, when the rotating tongue lock body 21 drives the rotating tongue piece 22 to rotate, the rotating tongue lock pin 23 generates eccentric motion, presses on the first pin or abuts against the second pin, so that the lock hook strip 31 generates linear movement downward or upward, thereby making the tray lock hook 32 and the top cover lock hook 34 correspondingly combined with or separated from the tray buckle slot 111 and the top cover buckle 121, respectively, to realize the functions of locking and unlocking.
[0049] More specifically, the box 1 further comprises a detachable top cover 12, which is provided with a top cover buckle 121.
[0050] More specifically, the hook mechanism 3 further comprises a top cover hook 34, which is movably connected with the top cover buckle 121.
[0051] In the specific implementation process, the tray hook 32 and the top cover hook 34 are stamped and bent from the same sheet metal part.
[0052] More specifically, the top cover buckle 121 has a U-shaped structure.
[0053] In the specific implementation process, in the unlocked state, the positions of the tray hook 32 and the top cover hook 34 are away from the tray buckle slot 111 and the top cover buckle 121, respectively, at this time the tray 11 and the top cover 12 can be normally assembled or loaded into the box 1; several trays 11 are loaded into the box 1, the tray 11 is provided with a tray buckle slot 111, and the tray 11 is pushed to the bottom to be in place; the top cover 12 is assembled by pushing at the top of the box 1. In the locked state, the tray hook 32 is buckled into the tray buckle slot 111, and the top cover buckle 121 is buckled with the top cover hook 34, so that the tray 11 and the top cover 12 cannot be pulled out of the box 1, and the physical structure is prevented from being disassembled and stolen.
[0054] More specifically, it further comprises a relative sliding mechanism 4; the hook bar 31 is slidably connected with one side wall of the box 1 through the relative sliding mechanism 4.
[0055] In the specific implementation process, the relative sliding mechanism 4 reduces the frictional resistance between the hook bar 31 and the structural parts when sliding up and down, and improves the smoothness of unlocking.
[0056] More specifically, the relative sliding mechanism 4 comprises a matching guide rail 41 and a sliding block 42;
[0057] The guide rail 41 is fixedly connected with the hook bar 31, and the sliding block 42 is fixedly connected with one side wall of the box 1.
[0058] In the specific implementation process, the hook bar 31 has a reserved guide rail 41 mounting hole, the guide rail 41 is fastened on the hook bar 31 through a disc head cross machine screw; there is a reserved countersunk screw hole on one side wall of the box 1, and there is a reserved mounting fixing screw hole on the sliding block 42, the holes of the sliding block 42 and the side wall of the box 1 are matched, and then a countersunk machine screw is used for fastening.
[0059] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also change and modify the above-mentioned embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience and do not constitute any limitation on the utility model.
Claims
1. A QKD cabinet anti-theft structure, characterized in that, The box (1), the tongue lock mechanism (2) and the lock hook mechanism (3) are included. The tongue lock mechanism (2) is installed on one side wall of the box (1); the lock hook mechanism (3) is movably connected with the tongue lock mechanism (2) and moves linearly with the rotation of the tongue lock mechanism (2). The lock hook mechanism (3) includes a lock hook strip (31) and a tray lock hook (32), and the lock hook strip (31) and the tray lock hook (32) are fixedly connected. A plurality of trays (11) are installed in the box (1); the number of the tray lock hooks (32) matches the number of the trays (11), and the spacing of the tray lock hooks (32) matches the spacing of the trays (11); the tray (11) is provided with a tray buckle slot (111) corresponding to the tray lock hook (32); the lock hook strip (31) is slidably connected with one side wall of the box (1).
2. The QKD cabinet anti-theft structure according to claim 1, characterized in that, The tongue lock mechanism (2) includes a tongue lock body (21), a tongue piece (22) and a tongue lock pin (23). The tongue lock body (21) is installed on one side wall of the box (1), the tongue piece (22) is fixedly installed on the tongue lock body (21) and rotates coaxially with the lock cylinder of the tongue lock body (21); the tongue lock pin (23) is fixedly connected with the tongue piece (22) and is an eccentric structure; the tongue lock pin (23) is movably connected with the lock hook mechanism (3).
3. The QKD cabinet anti-theft structure according to claim 2, characterized in that, The lock hook mechanism (3) further includes a limiting piece (33). The limiting piece (33) is fixedly connected with the lock hook strip (31) and movably connected with the tongue lock pin (23).
4. The QKD cabinet anti-theft structure according to claim 3, characterized in that, The limiting piece (33) includes a first pin and a second pin arranged axially in parallel. The first pin and the second pin are respectively fixedly connected with the lock hook strip (31), and the tongue lock pin (23) is located between the first pin and the second pin and axially perpendicular to the first pin and the second pin.
5. The QKD cabinet anti-theft structure according to claim 4, characterized in that, The first pin and the second pin are equal in length and the length exceeds the radius of the rotation track of the tongue lock pin (23).
6. The QKD cabinet anti-theft structure according to claim 1, characterized in that, The box (1) further includes a detachable top cover (12), and the top cover (12) is provided with a top cover buckle (121).
7. The QKD cabinet anti-theft structure according to claim 6, characterized in that, The lock hook mechanism (3) further includes a top cover lock hook (34), and the top cover lock hook (34) is movably connected with the top cover buckle (121).
8. The QKD cabinet anti-theft structure according to claim 6 or 7, characterized in that, The top cover buckle (121) is a U-shaped structure.
9. The QKD cabinet anti-theft structure according to claim 1, characterized in that, A relative sliding mechanism (4) is further included; the lock hook strip (31) is slidably connected with one side wall of the box (1) through the relative sliding mechanism (4).
10. The QKD cabinet anti-theft structure of claim 9, wherein, The relative sliding mechanism (4) includes a guide rail (41) and a sliding block (42) arranged in matching. The guide rail (41) is fixedly connected with the lock hook strip (31), and the sliding block (42) is fixedly connected with one side wall of the box (1).