Connecting rod lock mechanism and case equipment applying same

Abstract

The utility model provides a connecting rod lock mechanism and a case device using the same, and the connecting rod lock mechanism comprises a connecting rod body which is fixed on a connecting rod lock assembly; the fixing assemblies are sequentially arranged on the connecting rod body in a sleeving mode; the plurality of panel lock cylinders are arranged on the panel; the panel lock cylinders are sequentially arranged in the direction parallel to the connecting rod body according to the positions corresponding to the fixing assemblies. Each panel lock cylinder is matched and positioned with the corresponding fixing component; the plurality of case frames are arranged on the case; the multiple case frames are sequentially arranged in the direction parallel to the connecting rod body according to the positions corresponding to the multiple fixing assemblies. Each case frame is fixedly connected with the corresponding fixing assembly; the connecting rod lock assembly is driven by external force to drive the connecting rod body to contract or extend in the length direction of the connecting rod body, so that the panel is locked to the machine case or opened from the machine case. The connecting rod lock is rotated clockwise or anticlockwise, so that the panel can be locked to the case or loosened from the case, the operation is simple and convenient, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting rod lock assembly, in particular to a connecting rod lock mechanism and a chassis device to which the same is applied. Background Art

[0002] Currently, the assembly of the chassis and the panel usually faces the problem of inconvenience. Whether the panel is locked to the chassis or the panel is loosened from the chassis, a large amount of manual intervention is required, and the locking or loosening operation process is not very convenient. In addition, in the case of multiple connection points between the panel and the chassis, if it is necessary to manually operate the locking and loosening one by one, the efficiency is low. Therefore, there is an urgent need in the art for a lock structure with convenient operation and high efficiency to achieve the efficient assembly between the chassis and the panel. Summary of the Utility Model

[0003] The utility model aims to provide a connecting rod lock mechanism and a chassis device to which the same is applied, and solve the technical problems of low assembly efficiency and inconvenient operation between the chassis and the panel in the prior art.

[0004] To achieve the above object, the first aspect of the utility model provides a connecting rod lock mechanism, including: a connecting rod body, which is fixed to a connecting rod lock assembly; a plurality of fixing components, which are sequentially sleeved on the connecting rod body; a plurality of panel lock cores, which are arranged on the panel; the plurality of panel lock cores are sequentially arranged along a direction parallel to the connecting rod body and at positions corresponding to the plurality of fixing components; each of the panel lock cores is in cooperation with a corresponding fixing component for positioning; a plurality of chassis frames, which are arranged on the chassis; the plurality of chassis frames are sequentially arranged along a direction parallel to the connecting rod body and at positions corresponding to the plurality of fixing components; each of the chassis frames is fixedly connected to a corresponding fixing component; wherein, after being driven by an external force, the connecting rod lock assembly drives the connecting rod body to contract or extend along its length direction, so as to lock the panel to the chassis or open the panel from the chassis.

[0005] With such a design, since these fixing components are all sleeved on the connecting rod body, when the connecting rod body is driven by an external force to contract or extend along its length direction, it can synchronously drive these fixing components to also expand and contract along the length direction of the connecting rod body, and the locking and loosening with the panel lock cores located on the panel can be realized during the expansion and contraction process.

[0006] In an embodiment of the utility model, the fixing component includes: at least two bracket modules; each of the bracket modules includes a fixing bracket, a gasket, and a pressing piece that are sequentially sleeved on the connecting rod body, the gasket and the pressing piece are sequentially stacked and fixed on the fixing bracket, and each fixing bracket is connected to a corresponding chassis frame one by one; each lock module includes a lock block body and a lock pin, each lock block body is sleeved on the connecting rod body and is in cooperation with a corresponding panel lock core for positioning, and the lock pin is installed on the lock block body.

[0007] In this design, the combination of gaskets and pressure plates on the fixing bracket can ensure the stability and reliability of the connection. The gasket can increase the force-bearing area to reduce the compressive stress on the fixing bracket, and can also increase the friction to prevent the pressure plate from sliding on the fixing bracket, especially in the case of vibration or dynamic load.

[0008] In one embodiment of the present invention, the panel lock core includes a bayonet, and the lock pin is arranged toward the bayonet of the panel lock core; when the lock pin is inserted into the bayonet, the panel is locked to the chassis; when the lock pin is not inserted into the bayonet, the panel is opened from the chassis.

[0009] In one embodiment of the present invention, the panel lock core includes a U-shaped bracket formed by a pair of side plates and a back plate, a blocking member is arranged between the pair of side plates, and the bayonet is formed between the blocking member and the back plate for the lock pin to be inserted or pulled out.

[0010] This design allows the panel and chassis to be locked or released by inserting or removing the locking pins into or from the bayonet, resulting in a simple structure and low cost. Furthermore, the locking blocks to which these locking pins are attached are all sleeved onto the same connecting rod body, so they move synchronously with the extension and contraction of the connecting rod body, allowing for synchronous locking or release.

[0011] In an embodiment of the present invention, each of the fixing assemblies includes two bracket modules and a lock module located between the two bracket modules.

[0012] In one embodiment of the present invention, the connecting rod lock assembly includes a transmission lock plate, on which an outwardly protruding connecting rod lock pin shaft is provided; the connecting rod body is provided with a corresponding mounting hole at its end, which is sleeved on the connecting rod lock pin shaft and fixed with a retaining spring to fix the connecting rod body to the connecting rod lock assembly.

[0013] This design uses a retaining spring to prevent the connecting rod from falling off the connecting rod lock pin during vibration or movement. The retaining spring utilizes elasticity to secure the connecting rod, providing a self-locking feature. Compared to traditional bolts and nuts, it takes up less space, making it suitable for space-constrained applications such as connecting rod lock mechanisms. Installation and removal are also quick and easy.

[0014] In one embodiment of the present invention, the connecting rod lock assembly further comprises: a rotating member and a motion conversion mechanism; the rotating member is transmission-connected to the motion conversion mechanism, and the motion conversion mechanism is connected to the transmission lock plate; the rotating member rotates clockwise or counterclockwise after being subjected to an external force, and the motion conversion mechanism converts the rotational motion into longitudinal linear motion, thereby driving the transmission lock plate to contract or extend, and thereby driving the connecting rod body to contract or extend along its length direction.

[0015] With such a design, the user only needs to use a tool to rotate the rotating member, which can drive the contraction or elongation of the connecting rod body, and also drive the telescopic movement of the fixing component on the connecting rod body, so that it can be locked or loosened. The operation is simple and very efficient.

[0016] In an embodiment of the present invention, the rotating member includes a hexagonal head lock core, and the motion conversion mechanism includes a gear-rack mechanism; the hexagonal head lock core is fixedly connected to the gear, and the rack is fixedly connected to the transmission lock piece; when the hexagonal head lock core rotates clockwise under the action of an external force, it drives the rack to move downward, and then drives the transmission lock piece and the connecting rod body fixedly connected thereto to contract downward; when the hexagonal head lock core rotates counterclockwise under the action of an external force, it drives the rack to move upward, and then drives the transmission lock piece and the connecting rod body fixedly connected thereto to extend upward.

[0017] In an embodiment of the present invention, the connecting rod lock mechanism further includes a waterproof cover. The chassis is provided with a chassis opening at a position corresponding to the hexagonal head lock core of the connecting rod lock assembly, and the waterproof cover is detachably installed on the hexagonal head lock core through the chassis opening.

[0018] With such a design, when it is not necessary to rotate the gear by using the hexagonal head lock core, the waterproof cover can be covered, which can protect the connecting rod lock mechanism from moisture, dust and other environmental factors, and is not easily contaminated by the outside world. When it is necessary to use the hexagonal head lock core, only the waterproof cover needs to be removed. In addition, a connecting line can be provided between the waterproof cover and the chassis shell, which can ensure that the removed waterproof cover will not separate from the chassis shell, facilitating re-covering.

[0019] To achieve the above object, a second aspect of the present invention provides a chassis device, including a chassis and a panel to be assembled, and the chassis and the panel are assembled through the above-mentioned connecting rod lock mechanism.

[0020] As described above, a connecting rod lock mechanism and a chassis device to which it is applied according to the present invention have the following beneficial effects: The present invention solves the technical problems of low assembly efficiency and inconvenient operation between the chassis and the panel in the prior art. By rotating the connecting rod lock clockwise or counterclockwise, the panel can be locked to the chassis or loosened from the chassis, and the operation is simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It shows an exploded view of a connecting rod lock mechanism in an embodiment of the present invention.

[0022] Figure 2 It shows a structural schematic diagram of a bracket module in an embodiment of the present invention.

[0023] Figure 3It shows a schematic structural diagram of the lock module in an embodiment of the present utility model.

[0024] Figure 4A It shows a schematic diagram of the panel lock core in an embodiment of the present utility model.

[0025] Figure 4B It shows a schematic diagram of the lock pin inserted into the panel lock core in an embodiment of the present utility model.

[0026] Figure 5 It shows a schematic structural diagram of the connecting rod lock assembly connecting the transmission lock piece in an embodiment of the present utility model.

[0027] Figure 6 It shows a schematic structural diagram of the connecting rod lock assembly in an embodiment of the present utility model.

[0028] Figure 7 It shows a schematic diagram after the assembly of a connecting rod lock mechanism is completed in an embodiment of the present utility model.

[0029] Description of Component Labels

[0030] 1 Connecting Rod Body

[0031] 11 Mounting Hole

[0032] 2 Connecting Rod Lock Assembly

[0033] 21 Transmission Lock Piece

[0034] 211 Connecting Rod Lock Pin Shaft

[0035] 212 Snap Ring

[0036] 22 Motion Conversion Mechanism

[0037] 23 Rotating Part

[0038] 3 Fixed Assembly

[0039] 31 Bracket Module

[0040] 311 Fixed Bracket

[0041] 312 Spacer

[0042] 313 Pressing Piece

[0043] 32 Lock Module

[0044] 321 Lock Block Body

[0045] 322 Lock Pin

[0046] 4 Panel Lock Core

[0047] 41 Bayonet

[0048] 4a Side plate

[0049] 4b Rear plate

[0050] 4c Blocking piece

[0051] 5 Chassis frame

[0052] 6 Chassis opening

[0053] 7 Waterproof cover

[0054] X direction

[0055] Y direction

[0056] A Chassis

[0057] B Panel Detailed implementation mode

[0058] The following specific embodiments illustrate the implementation mode of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

[0059] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the limited conditions under which the present utility model can be implemented. Therefore, they do not have technical substantive significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model. The following detailed description should not be considered restrictive, and the scope of the embodiments of this application is only limited by the claims of the published patent. The terms used here are only for describing specific embodiments and are not intended to limit this application. Spatially related terms, such as "upper", "lower", "left", "right", "below", "beneath", "lower part", "above", "upper part", etc., may be used in the text to facilitate the description of the relationship between one element or feature shown in the figure and another element or feature.

[0060] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", "holding", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0061] Furthermore, as used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should be further understood that the terms "comprises" and "comprising" specify the presence of the stated features, operations, elements, components, items, kinds, and / or groups, but do not preclude the presence, occurrence, or addition of one or more other features, operations, elements, components, items, kinds, and / or groups. The terms "or" and "and / or" used herein are to be construed as inclusive, meaning either any one or any combination. Thus, "A, B, or C" or "A, B, and / or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B, and C". An exception to this definition occurs only when the combination of elements, functions, or operations is inherently mutually exclusive in some way.

[0062] In order to make the objectives, technical solutions, and advantages of the present utility model more clearly understood, the technical solutions in the embodiments of the present invention will be further described in detail below through the following embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the invention.

[0063] As Figures 1 to 7 shown, the present utility model provides a connecting rod lock mechanism, including: a connecting rod body 1, a connecting rod lock assembly 2, a plurality of fixing components 3, a plurality of panel lock cores 4, and a plurality of chassis frames 5.

[0064] The connecting rod body 1 is fixed to the connecting rod lock assembly 2. A plurality of fixing components 3 are sequentially sleeved on the connecting rod body 1. A plurality of panel lock cores 4 are arranged on panel B, and a plurality of chassis frames 5 are arranged on chassis A. The plurality of panel lock cores 4 are arranged in sequence along a direction parallel to the connecting rod body and at positions corresponding to the plurality of fixing components 3; each of the panel lock cores 4 cooperates with the corresponding fixing component 3 for positioning. The plurality of chassis frames 5 are arranged in sequence along a direction parallel to the connecting rod body and at positions corresponding to the plurality of fixing components 3; each of the chassis frames 5 is fixedly connected to the corresponding fixing component 3. Among them, after the connecting rod lock assembly 2 is driven by an external force, it drives the connecting rod body 1 to contract or extend along its length direction. In this embodiment, direction X represents contraction, and direction Y represents extension. During the contraction process, panel B is locked to chassis A, and during the extension process, panel B is opened from chassis A.

[0065] In some examples, the fixing component 3 includes at least two bracket modules 31 and at least one lock module 32.

[0066] The structure of the bracket module 31 is as Figure 2As shown, it includes a fixing bracket 311, a gasket 312, and a pressing piece 313 that are successively sleeved on the bracket body. The gasket 312 and the pressing piece 313 are stacked and fixed on the fixing bracket 311 in sequence, and each fixing bracket 311 is connected to the chassis frame 5 in a one-to-one correspondence. It should be understood that the connection methods between the fixing bracket 311, the gasket 312, and the pressing piece 313, or between the fixing bracket 311 and the chassis frame 5, include but are not limited to threaded connection, welding, riveting, bonding, or pin connection, etc., and this embodiment does not limit this.

[0067] The structure of the lock module 32 is as Figure 3 shown, and it includes a lock block body 321 and a lock pin 322. The lock pin 322 is installed on the lock block body 321. Each lock block body 321 is sleeved on the bracket body 11 and is in one-to-one correspondence and cooperation positioning with the panel lock core 4.

[0068] Further, the schematic diagrams of the locked or unlocked states between the lock pin 322 and the panel lock core 4 are as Figure 4A and 4B shown. The panel lock core 4 includes a bayonet 41, and the lock pin 322 is arranged towards the bayonet 41 of the panel lock core 4; in the state where the lock pin 322 is inserted into the bayonet 41, the panel B is locked to the chassis A; in the state where the plug pin 322 is not inserted into the bayonet 41, the panel B is opened from the chassis A. Exemplarily, the panel lock core 4 can be a U-shaped bracket formed by a pair of side plates 4a and a back plate 4b. A blocking member 4c is arranged between this pair of side plates 4a, and the bayonet 41 is formed between the blocking member 4c and the back plate 4b for the lock pin 322 to be inserted or pulled out.

[0069] In some examples, the structure of the link lock assembly 2 is as Figure 5 shown, and it includes a transmission lock piece 21. An outwardly protruding link lock pin shaft 211 is provided on the transmission lock piece 21. The link body 1 is correspondingly provided with a mounting hole 11 at its end. After being sleeved on the link lock pin shaft 211, it is fixed with a circlip 212 so that the link body 1 is fixed to the link lock assembly 2.

[0070] It should be understood that the circlip can be a snap ring or a retaining ring, which is usually used to fix parts to prevent them from falling off during vibration or movement. In the embodiment of the present application, the circlip is used to fix the link body 1. The circlip uses elastic action to fix the link body and has a self-locking function. Compared with traditional bolts and nuts, it occupies less space, is suitable for occasions with limited space such as the link lock mechanism, and its installation and disassembly processes are simple and fast.

[0071] The specific structure of the link lock assembly 2 is as Figure 6As shown, the link lock assembly further includes a rotating member 23 and a motion conversion mechanism 22; the rotating member 23 is drivingly connected to the motion conversion mechanism 22, and the motion conversion mechanism 22 is connected to the transmission lock piece 21; after the rotating member 23 is subjected to an external force, it rotates clockwise or counterclockwise, and the motion conversion mechanism 22 converts the rotational motion into a longitudinal linear motion (such as Figure 1 moving in the X or Y direction in), so as to drive the transmission lock piece 21 to contract or extend, and further drive the link body 1 to contract or extend along its length direction.

[0072] Exemplarily, a hexagonal head lock core is used as the rotating member 23, and a gear-rack mechanism is used as the motion conversion mechanism 22. The hexagonal head lock core is inserted into the gear and fixedly connected. The rack (not shown) is fixedly connected to the transmission lock piece 21. If the hexagonal head lock core is rotated clockwise using a hexagonal socket wrench, the gear can be driven to rotate clockwise. The clockwise rotation of the gear can drive the rack to move downward, and further drive the link body 1 to move downward, thereby driving the lock block body 321 to also move downward. The lock pin 322 installed on the lock block body 321 also moves downward accordingly, and then inserts into the bayonet 41 of the panel lock core 4, thereby locking the chassis A and the panel B. If the hexagonal head lock core is rotated counterclockwise using a hexagonal socket wrench, the gear can be driven to rotate counterclockwise. The counterclockwise rotation of the gear can drive the rack to move upward, and further drive the link body 1 to move upward, thereby driving the lock block body 321 to also move upward. The lock pin 322 installed on the lock block body 321 also moves upward accordingly, and then is pulled out from the bayonet 41 of the panel lock core 4, thereby loosening the panel B and the chassis A.

[0073] In some examples, as Figure 1 shown, the link lock mechanism further includes a waterproof cover 7. An opening 6 is provided in the chassis at a position corresponding to the hexagonal head lock core 23 of the link lock assembly 2, and the waterproof cover 7 is detachably installed on the hexagonal head lock core through the opening 6 in the chassis. It should be understood that when it is not necessary to rotate the gear by using the hexagonal head lock core, the waterproof cover can be covered, which can protect the link lock mechanism from moisture, dust and other environmental factors and is not easily contaminated by the outside. When it is necessary to use the hexagonal head lock core, only the waterproof cover needs to be removed. In addition, a connecting wire can be provided between the waterproof cover and the chassis housing, so as to ensure that the removed waterproof cover will not be separated from the chassis housing, which is convenient for re-covering.

[0074] Based on the above Figures 1 to 6 , the assembly process of the link lock mechanism in the embodiment of the present application includes:

[0075] (1) The link body 1 is sleeved on the link lock pin shaft 211 through the mounting hole 11 and fixed using a circlip 212.

[0076] (2) The connecting rod lock assembly 2 and the waterproof cover 7 are installed at the position of the opening 6 of the chassis and fastened with self-tapping screws.

[0077] (3) The fixed bracket 311, gasket 312, pressing piece 313, lock block body 321, fixed bracket 311, gasket 312, and pressing piece 313 are successively sleeved on the connecting rod body 1 in this order.

[0078] (4) The fixed bracket 311 is connected to the chassis frame 5 and fastened with an internal hexagonal screw.

[0079] (5) The gasket 312 and the pressing piece 313 are fixed to the fixed bracket 311 with cross-recessed pan head screws.

[0080] (6) The panel lock core 4 is installed at the corresponding position of the panel B. The lock block body 321 and the panel lock core 4 are cooperatively positioned and fastened with set screws.

[0081] (7) Install the lock pin 322 onto the lock block body 321.

[0082] (8) After the assembly is completed, a sealing strip is pasted between the chassis and the panel for waterproofing. The overall structure diagram after assembly is as Figure 7 shown.

[0083] It should be noted that the above assembly process is only one embodiment of the present utility model for reference only. The application and implementation of the present utility model are not limited to the above specific examples.

[0084] The present utility model also provides a chassis device, including a chassis and a panel to be assembled. The chassis and the panel are assembled through the connecting rod lock mechanism described above. It should be understood that since the structure and principle of the connecting rod lock mechanism have been detailed above, they will not be elaborated here.

[0085] In summary, the present utility model relates to a connecting rod lock mechanism and the chassis device to which it is applied. The present utility model solves the technical problems of low assembly efficiency and inconvenient operation in the prior art for the chassis and the panel. By rotating the connecting rod lock clockwise or counterclockwise, the panel can be locked to the chassis or loosened from the chassis, with simple operation and high efficiency. Therefore, the present utility model effectively overcomes various disadvantages in the prior art and has high industrial utilization value.

[0086] The above embodiments are only illustrative of the principles and effects of the present utility model and are not used to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A connecting rod locking mechanism, characterized in that, Comprising: A connecting rod body (1), which is fixed to a connecting rod lock assembly (2); A plurality of fixing components (3), which are sequentially sleeved on the connecting rod body (1); A plurality of panel lock cores (4), which are arranged on the panel; the plurality of panel lock cores (4) are sequentially arranged in a direction parallel to the connecting rod body (1) and in positions corresponding to the plurality of fixing components (3); each of the panel lock cores (4) cooperates with the corresponding fixing component (3) for positioning; A plurality of chassis frames (5), which are arranged on the chassis; the plurality of chassis frames (5) are sequentially arranged in a direction parallel to the connecting rod body (1) and in positions corresponding to the plurality of fixing components (3); each of the chassis frames (5) is fixedly connected to the corresponding fixing component (3); Wherein, after being driven by an external force, the connecting rod lock assembly (2) drives the connecting rod body (1) to contract or elongate along its length direction, so as to lock the panel to the chassis or open it from the chassis.

2. The link lock mechanism according to claim 1, characterized in that, The fixing component (3) includes: At least two bracket modules (31); each of the bracket modules (31) includes a fixing bracket (311), a gasket (312), and a pressing piece (313) that are sequentially sleeved on the connecting rod body (1), the gasket (312) and the pressing piece (313) are sequentially stacked and fixed on the fixing bracket (311), and each fixing bracket (311) is connected to a chassis frame (5) in a one-to-one correspondence; At least one lock module (32); each of the lock modules (32) includes a lock block body (321) and a lock pin (322), each lock block body (321) is sleeved on the connecting rod body (1) and cooperates with a panel lock core (4) in a one-to-one correspondence for positioning, and the lock pin (322) is installed on the lock block body (321).

3. The connecting rod lock mechanism according to claim 2, wherein: The panel lock core (4) includes a bayonet (41), and the lock pin (322) is arranged towards the bayonet (41) of the panel lock core (4); In a state where the lock pin (322) is inserted into the bayonet (41), the panel is locked to the chassis; in a state where the lock pin (322) is not inserted into the bayonet (41), the panel is opened from the chassis.

4. The connecting rod lock mechanism according to claim 3, wherein: The panel lock core (4) includes a U-shaped bracket formed by a pair of side plates (4a) and a back plate (4b), a blocking member (4c) is arranged between this pair of side plates (4a), and a bayonet (41) is formed between the blocking member (4c) and the back plate (4b) for the lock pin (322) to be inserted or pulled out.

5. The link lock mechanism according to claim 2, characterized in that, Each of the fixing components (3) includes two bracket modules (31) and one lock module (32) located between the two bracket modules (31).

6. The connecting rod lock mechanism according to claim 1, wherein: The link lock assembly (2) includes a transmission lock piece (21), and an outwardly convex link lock pin shaft (211) is provided on the transmission lock piece (21); a mounting hole (11) is correspondingly provided at the end of the link body (1), and after being sleeved on the link lock pin shaft (211), a circlip (212) is used for fixing, so that the link body (1) is fixed to the link lock assembly (2).

7. The link lock mechanism according to claim 6, characterized in that, The link lock assembly (2) further includes: a rotating member (23) and a motion conversion mechanism (22); the rotating member (23) is in transmission connection with the motion conversion mechanism (22), and the motion conversion mechanism (22) is connected to the transmission lock piece (21); When the rotating member (23) is subjected to an external force, it rotates clockwise or counterclockwise. The motion conversion mechanism (22) converts the rotational motion into a longitudinal linear motion to drive the transmission lock piece (21) to contract or extend, and further drives the link body (1) to contract or extend along its length direction.

8. The link lock mechanism according to claim 7, wherein: The rotating member (23) includes a hexagonal head lock core, and the motion conversion mechanism (22) includes a gear-rack mechanism; the hexagonal head lock core is fixedly connected to the gear, and the rack is fixedly connected to the transmission lock piece (21); During the process of the hexagonal head lock core rotating clockwise under the action of an external force, it drives the rack to move downward, and further drives the transmission lock piece (21) and the link body (1) fixedly connected thereto to contract downward; during the process of the hexagonal head lock core rotating counterclockwise under the action of an external force, it drives the rack to move upward, and further drives the transmission lock piece (21) and the link body (1) fixedly connected thereto to extend upward.

9. The link lock mechanism according to claim 8, characterized in that, The link lock mechanism further includes a waterproof cover (7). A chassis opening (6) is provided on the chassis corresponding to the position of the hexagonal head lock core of the link lock assembly (2), and the waterproof cover (7) is detachably mounted on the hexagonal head lock core through the chassis opening (6).

10. A chassis device, characterized in that, including: a chassis and a panel to be assembled, and the chassis and the panel are assembled by the link lock mechanism according to any one of claims 1 to 9.

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