Module lock, display module and display device

Abstract

The utility model provides a module lock, a display module and a display device, which are used for locking a fixed main body and an installation main body, and comprise a rotating mechanism and a moving mechanism, the rotating mechanism comprises a rotating disc and a module handle fixed in the middle of the rotating disc, a plurality of arc-shaped rotating grooves are formed in the rotating disc, and the arc-shaped rotating grooves extend from the far end away from the center of the rotating disc to the near end close to the center of the rotating disc; the moving mechanism comprises a plurality of linear guide rails and a plurality of telescopic parts, the linear guide rails are arranged in the circumferential direction of the rotating disc and radially extend towards the outer side of the rotating disc, the telescopic parts are arranged in the linear guide rails in a sliding mode, one ends of the telescopic parts are hinged into the corresponding arc-shaped rotating grooves, the other ends of the telescopic parts are provided with spring bolts, and the rotating disc rotates. When the arc-shaped rotating groove is located at the far end, the spring bolt stretches out, the installation main body and the fixing main body are locked, and when the arc-shaped rotating groove is located at the near end, the spring bolt retracts, and the installation main body is unlocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fence display screen module lock, especially to module lock, display module and display device. BACKGROUND

[0002] Module lock is a lock piece for firmly locking fence display screen module on fence frame or mounting bracket. In large stadium environment, fence screen can be affected by wind, collision of audience, vibration and other external force factors, module lock can ensure that each display module maintains stable position and does not have loosening, displacement and other conditions, so as to ensure the structural integrity and display effect of the whole fence screen.

[0003] The existing fence screen module lock has the following technical problems: 1. Insufficient fixing stability: if the elastic part of the mechanical lock buckle type module lock is deformed after long-term use, the lock buckle may not tightly fix the module, which may cause the display module to be displaced, affecting the overall structural stability of the fence screen. 2. Inconvenient installation and disassembly: some complex module lock designs may have certain advantages in fixing reliability, but the installation and disassembly process is more cumbersome, requiring multiple steps or special tools to complete the installation and disassembly of the module lock, which increases the working time and difficulty of the installation personnel and maintenance personnel, and is not conducive to the rapid installation, maintenance and module replacement of the fence screen. 3. High maintenance cost: the movable parts of the module lock are prone to wear during frequent use, which affects the normal function and service life of the module lock; due to the complex structure of the module lock, once it fails, the maintenance and replacement cost is high. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a module lock, a display module and a display device to solve the problems of insufficient fixing stability, inconvenient installation and disassembly and high maintenance cost of the module lock in the prior art.

[0005] To solve the above technical problems, the utility model provides a module lock for fixing the locking between the main body and the mounting body, comprising:

[0006] Rotary mechanism and moving mechanism;

[0007] The rotary mechanism is rotatably arranged on the mounting body, and the rotary mechanism comprises a turntable and a module handle fixed to the middle part of the turntable, a plurality of arc-shaped turning grooves are arranged on the turntable, and the arc-shaped turning grooves extend from the far end away from the center of the turntable to the near end close to the center of the turntable;

[0008] The moving mechanism comprises a plurality of linear guides arranged circumferentially on the rotating disc and extending radially outward, and a plurality of telescopic members slidingly arranged in the linear guides, one end of each telescopic member being hingedly connected to a corresponding arc-shaped rotating groove, and the other end of each telescopic member being provided with a locking tongue, the rotating disc being rotated to drive one end of the telescopic member to move between the distal end and the proximal end of the arc-shaped rotating groove, and when at the distal end, the locking tongue is extended to lock the mounting body and the fixed body, and when at the proximal end, the locking tongue is retracted to unlock the mounting body.

[0009] As a more preferred mode, the rotating disc is provided with a cover shell, the central axis of the cover shell coincides with the central axis of the rotating disc, and the central axis of the cover shell coincides with the central axis of the rotating disc, which helps to maintain balance in the overall structure, and when the rotating disc is rotated, the cover shell can form a relatively stable combination with the rotating disc, reducing the shaking or deviation that may be caused by the rotation of the rotating disc.

[0010] As a more preferred mode, the bottom of the module handle is provided with a fixing hole, the center of the rotating disc is provided with a mounting hole corresponding to the fixing hole, and a fastener is used to pass through the mounting hole and the fixing hole to fix the module handle and the rotating disc, the fastener passing through the two opposite holes to fix the module handle and the rotating disc together can provide a more stable connection, and this connection mode can effectively prevent the module handle from shaking, loosening or falling off during use.

[0011] As a more preferred mode, the center of the cover shell is provided with a through hole, and the module handle passes through the through hole to abut against the center of the rotating disc, which is positioned through the through hole on the cover shell, reducing unnecessary connecting components and space occupation. While meeting the functional requirements, it helps to reduce the size of the entire module lock; when the module handle is subjected to external force, this connection mode can effectively disperse the force to the rotating disc and the cover shell, preventing relative displacement or damage between the components, thereby ensuring the reliability of the module lock during long-term use.

[0012] As a more preferred mode, a plurality of mounting grooves are formed in the outer wall of the cover shell, and one end of the linear guide is clamped in the mounting groove and connected to the rotating disc, the one end of the linear guide clamped in the mounting groove is connected to the rotating disc, which can provide a relatively stable connection effect, the mounting groove can limit the linear guide to a certain extent, preventing it from moving or shaking during use, thereby ensuring the stability of the connection between the linear guide and the rotating disc, enhancing the strength of the overall structure, reducing the risk of component damage, and prolonging the service life of the device.

[0013] As a more preferred mode, the center axis of the cover coincides with the center axis of the rotating disc, and the cover and the rotating disc are located at the center of symmetry of the mounting body. Since the cover and the rotating disc are located at the center of symmetry of the mounting body, the forces received by them during operation can be evenly distributed to the mounting body. When the rotating disc receives radial force or torque, the symmetrical structure can evenly transmit these forces along the center axis, avoiding stress concentration on one side, thereby reducing the possibility of component deformation and damage and improving the service life of the equipment.

[0014] As a more preferred mode, the center axes of the linear guides intersect at the center of the rotating disc. When the center axes of the linear guides intersect at the center of the rotating disc, the linear guides connected to the rotating disc can better maintain synchronization during rotation of the rotating disc, ensuring the coordination and accuracy of the entire module lock movement. During maintenance, the layout of the linear guides has central symmetry, facilitating installation and maintenance of the module lock.

[0015] As a more preferred mode, a display module comprises:

[0016] A display unit, the rotating mechanism of the module lock is rotatably arranged on the display unit.

[0017] As a more preferred mode, a display device comprises:

[0018] A case, the case comprises a support frame;

[0019] The display module is locked with the support frame by the module lock, and a plurality of display modules are spliced into a complete display screen.

[0020] As a more preferred mode, a stop groove is formed at the bottom of the lock tongue. When the module lock is locked, the stop groove of the lock tongue is clamped with the support frame. The design of the stop groove makes the connection between the lock tongue and the support frame have precise positioning function. During locking, the stop groove of the lock tongue can be accurately clamped with the support frame, ensuring the accuracy of the position of the lock tongue during each locking. It can effectively prevent the lock tongue from being separated from the locking position under external interference (such as slight impact, vibration, etc.), thereby ensuring the safe locking of the module lock.

[0021] The utility model discloses a module lock has the following beneficial effects: the utility model discloses a module lock when using, the rotary mechanism rotation is arranged on the installation main body, a plurality of arc -shaped rotation grooves are arranged on the carousel, and the arc -shaped rotation groove is from the far end away from the carousel center and is always extended to the near end close to the carousel center, the carousel rotates, and the one end of telescopic spare is moved between the far end and the near end of arc -shaped rotation groove, when the one end of telescopic spare is located the far end of arc -shaped rotation groove, the lock tongue is locked, and the installation main body is locked to fixed main body, when the one end of telescopic spare is located the near end of arc -shaped rotation groove, the lock tongue is retracted, and the installation main body is unlocked, the movement of telescopic spare is driven in arc -shaped rotation groove through the rotation of carousel, thereby control lock tongue's extension and retraction, can accurately realize the locking and unlocking operation between installation main body and fixed main body, when the one end of telescopic spare is located the far end of arc -shaped rotation groove, and the lock tongue is locked, is located the near end, and the lock tongue is unlocked, ensure the stability and reliability of locking and unlocking function.

[0022] The utility model discloses a display module when using, the rotary mechanism rotation of module lock is arranged on the display unit, and the casing is installed on the display unit through fastener, and this design makes the each component connection of display module into a relatively stable whole, the direct connection of rotary mechanism and display unit guarantees the positioning accuracy of module lock on display unit, can stably play its locking function in the use process, and the installation of casing further fixes the relevant components on display unit, prevents their displacement or shaking in the use process, thereby improve the stability of whole display module structure.

[0023] The utility model discloses a display device when using, the display module is locked with the support frame through module lock, and a complete display screen is spliced to a plurality of display modules, and the display module is locked with the support frame through module lock, and this connection makes the installation process simple and efficient, when assembling the display screen, only needs to align the display module to the support frame, then can complete the installation of single display module through module lock locking, compared with traditional complex connection mode, operation is more simple and convenient, and does not need special tool or complex technology, greatly shortens the installation time, and improves installation efficiency, when some display module appears the fault, and the design of module lock is convenient to disassemble, and the maintenance personnel can easily unlock module lock, and the display module of fault is taken down from the support frame, and this detachability reduces maintenance cost and maintenance difficulty, because the installation and disassembly of display module are relatively simple, and do not need complex assembling equipment and technology, reduce the human cost and equipment cost in production process.

[0024] The modular lock of this utility model has a simple and reasonable structural design, and the installation and disassembly process is convenient. The modular lock does not require multiple steps or special tools for installation and disassembly, which saves the working time of installers and maintenance personnel, reduces the difficulty of the work, and helps to quickly install, maintain and replace modules of the fence screen, thus saving maintenance and replacement costs. It solves the problems of insufficient fixing stability, inconvenient installation and disassembly, and high maintenance costs of the modular lock in the prior art. Attached Figure Description

[0025] Figure 1 The diagram shown is an exploded view of the modular lock of this utility model.

[0026] Figure 2 The diagram shown is a first structural schematic of the display module of this utility model.

[0027] Figure 3 Displayed as Figure 2 A magnified view of a portion of region A in the middle;

[0028] Figure 4 The diagram shown is a second structural schematic of the display module of this utility model.

[0029] Figure 5 The image shown is a cross-sectional view of the display module of this utility model.

[0030] Figure 6 The diagram shown is a schematic of the rotating mechanism of the modular lock of this utility model;

[0031] Figure 7 Displayed as Figure 6 A magnified view of a portion of region B in the middle;

[0032] Figure 8 The diagram shown is a structural schematic of the chassis of this utility model.

[0033] Component designation explanation

[0034] 1. Rotating mechanism

[0035] 11 Module Handle

[0036] 12 turntables

[0037] 121 Arc-shaped turntable

[0038] 122 mounting holes

[0039] 2. Mobile mechanism

[0040] 21. Boss

[0041] 22 Linear Guide

[0042] 23. Expansion joints

[0043] 24 screwdriver

[0044] 5 cover

[0045] 6 fastener

[0046] 9 case

[0047] 91 support frame

[0048] 92 display unit DETAILED DESCRIPTION

[0049] The following embodiments of the present application will be described in detail by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification.

[0050] It should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the 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 implementation conditions of the present application, so they do not have technical substantive significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. The following detailed description should not be considered as limiting, and the scope of the embodiments of the present application is only limited by the claims of the published patent. The terms used herein are only used to describe specific embodiments, and are not intended to limit the present application. Spatially related terms, such as "upper", "lower", "left", "right", "below", "under", "lower", "above", "upper", etc. can 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.

[0051] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "holding" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0052] Moreover, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including" when used herein, specify the presence of stated features, operations, elements, components, items, and / or groups but do not preclude the presence or addition of one or more other features, operations, elements, components, items, and / or groups thereof. As used herein, the terms "or" and "and / or" are to be interpreted as inclusive, i.e., as meaning one or any combination of the items. 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. This definition applies only when an element, function or operation is inherently mutually exclusive with another.

[0053] In order to make the purpose, technical scheme and advantages of the utility model more clearly, through the following embodiment and combining with the drawings, the further detailed description of the technical scheme in the utility model embodiment. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0054] As shown in the figure, a module lock is used to fix the locking between the main body and the installation body, which comprises: Figures 1 to 6

[0055] The rotating mechanism 1 and the moving mechanism 2;

[0056] The rotating mechanism 1 is rotatably arranged on the installation body, and the rotating mechanism 1 comprises a rotating disc 12 and a module handle 11 fixed to the middle part of the rotating disc 12, a plurality of arc-shaped rotating grooves 121 are arranged on the rotating disc 12, and the arc-shaped rotating grooves 121 extend from the distal end away from the center of the rotating disc 12 to the proximal end close to the center of the rotating disc 12;

[0057] The moving mechanism 2 comprises a plurality of straight-line guide rails 22 arranged in the circumferential direction of the rotating disc 12 and radially extending outward from the rotating disc 12, a plurality of telescopic members 23 slidably arranged in the straight-line guide rails 22, one end of the telescopic member 23 is hingedly connected in the corresponding arc-shaped rotating groove 121, the other end of the telescopic member 23 is provided with a lock tongue 24, the rotating disc 12 rotates to drive one end of the telescopic member 23 to move between the distal end and the proximal end of the arc-shaped rotating groove 121, when the distal end, the lock tongue 24 extends out, the installation body and the fixed body are locked, when the proximal end, the lock tongue 24 is retracted, and the installation body is unlocked.

[0058] ​In order to better introduce the module lock of the utility model, now combine following specific application to explain: the utility model discloses module lock when using, the rotating mechanism 1 is rotated and is arranged on the mounting main body, the rotating disc 12 is provided with a plurality of arc-shaped rotation grooves 121, the arc-shaped rotation groove 121 is from the far end away from the center of rotating disc 12 and always extends to the near end close to the center of rotating disc 12, the rotating disc 12 rotates, drives the one end of the telescopic part 23 to move between the far end and the near end of arc-shaped rotation groove 121, when the one end of telescopic part 23 is located at the far end of arc-shaped rotation groove 121, the lock tongue 24 extends, locks the mounting main body to the fixed main body, when the one end of telescopic part 23 is located at the near end of arc-shaped rotation groove 121, the lock tongue 24 retracts, unlocks the mounting main body. The rotation of rotating disc 12 drives telescopic part 23 to move in arc-shaped rotation groove 121, thereby controlling the extension and retraction of lock tongue 24, which can accurately realize the locking and unlocking operation between the mounting main body and the fixed main body. When the one end of telescopic part 23 is located at the far end of arc-shaped rotation groove 121, the lock tongue 24 extends to lock, and when it is located at the near end, the lock tongue 24 retracts to unlock, ensuring the stability and reliability of the locking and unlocking functions.

[0059] The display module of the utility model when using, the rotating mechanism 1 of module lock is rotated and is arranged on the display unit 92, and the cover 5 is installed on display unit 92 through fastener 6, and this design makes the various components of display module connect into a relatively stable whole, the direct connection of rotating mechanism 1 and display unit 92 ensures the positioning accuracy of module lock on display unit 92, which can stably play its locking function in the use process, and the installation of cover 5 further fixes the related components on display unit 92, preventing them from shifting or shaking in the use process, thereby improving the stability of the whole display module structure.

[0060] The display device of the utility model when using, the display module is locked with the support frame 91 through module lock, and a plurality of display modules are spliced into a complete display screen, and the display module is locked with the support frame 91 through module lock, which makes the installation process simple and efficient, and when assembling the display screen, only needs to align the display module with the support frame 91, and then locks through the module lock to complete the installation of a single display module, which is more convenient than the traditional complex connection method, and does not need special tools or complex process, greatly shortens the installation time and improves the installation efficiency. When a certain display module fails, the design of module lock facilitates disassembly, and maintenance personnel can easily unlock the module lock and remove the faulty display module from the support frame 91, and the detachability reduces the maintenance cost and difficulty. Since the installation and disassembly of the display module are relatively simple, complex assembly equipment and process are not needed, which reduces the labor cost and equipment cost in the production process.

[0061] The module lock has simple and reasonable structure design, is convenient to install and dismount, does not need multi-step operation or special tools to install and dismount, saves the working time of installation personnel and maintenance personnel, reduces the working difficulty, is helpful to the rapid installation, maintenance and module replacement of the fence screen, saves the maintenance and replacement cost, solves the problems of insufficient fixing stability of the module lock, inconvenient installation and dismounting and high maintenance cost in the prior art.

[0062] In some embodiments of the utility model, as shown in Figures 1 to 6 The center axis of the cover shell 5 coincides with the center axis of the turntable 12, and the concentric design helps to maintain balance in the overall structure.

[0063] In some embodiments of the utility model, as shown in Figures 1 to 7 The module handle 11 is fixed with the turntable 12 by the fastener 6 penetrating through the mounting hole 122 and the fixing hole, the fastener 6 penetrates through two opposite holes to fix the module handle 11 and the turntable 12 together, and the stable connection can be provided, and the connection mode can effectively prevent the module handle 11 from shaking, loosening or falling off and the like in the use process.

[0064] In some embodiments of the utility model, as shown in Figures 1 to 6 The center of the cover shell 5 is provided with a through hole, and the module handle 11 penetrates through the through hole and abuts against the center of the turntable 12, and the positioning is performed through the through hole on the cover shell 5, so that unnecessary connecting parts and space occupation are reduced. When the module handle 11 is subjected to external force, the connection mode can effectively disperse the force to the turntable 12 and the cover shell 5, prevent the relative displacement or damage between the parts, and thus ensure the reliability of the module lock in the long-term use process.

[0065] In some embodiments of the utility model, as shown in Figures 1 to 6As shown, the outer wall of the cover 5 is provided with a plurality of installation grooves, one end of the linear guide rail 22 is clamped in the installation groove and connected with the rotating disc 12, and the end of the linear guide rail 22 clamped in the installation groove is connected with the rotating disc 12. This connection mode can provide relatively stable connection effect, the installation groove can limit the linear guide rail 22 to a certain extent, prevent displacement or shaking during use, thereby ensuring the connection stability between the linear guide rail 22 and the rotating disc 12, enhancing the strength of the overall structure, reducing the risk of component damage, and prolonging the service life of the device.

[0066] In some embodiments of the utility model, as shown in Figures 1 to 6 As shown, the center axis of the cover 5 coincides with the center axis of the rotating disc 12, and the cover 5 and the rotating disc 12 are located at the symmetry center of the installation main body. Since the cover 5 and the rotating disc 12 are located at the symmetry center of the installation main body, the force they receive during work can be evenly distributed to the installation main body. When the rotating disc 12 receives radial force or torque, the symmetrical structure can evenly transmit these forces along the center axis, avoiding stress concentration on one side, thereby reducing the possibility of component deformation and damage and improving the service life of the equipment.

[0067] In some embodiments of the utility model, as shown in Figures 1 to 6 As shown, the center axes of the plurality of linear guide rails 22 intersect at the center of the rotating disc 12. When the center axes of the plurality of linear guide rails 22 intersect at the center of the rotating disc 12, the linear guide rails 22 connected with the rotating disc 12 can better maintain synchronization during the rotation of the rotating disc 12, ensuring the coordination and accuracy of the entire module lock movement. During maintenance, the layout of the linear guide rails 22 has central symmetry, facilitating the installation and maintenance of the module lock.

[0068] In some embodiments of the utility model, as shown in Figures 1 to 8 As shown, a display module comprises:

[0069] The display unit 92, the rotating mechanism 1 of the module lock is rotatably arranged on the display unit 92.

[0070] In some embodiments of the utility model, as shown in Figures 2 to 8 As shown, a display device comprises:

[0071] The case 9 comprises a support frame 91.

[0072] The display module is locked with the support frame 91 through a module lock, a plurality of display modules are spliced into a complete display screen, the module lock can provide stable connection between the display module and the support frame 91, and the module lock can ensure that the display module is tightly connected with the support frame 91 and is not easily displaced or loosened, regardless of slight collision or vibration from the outside or under the action of gravity, so that the overall flatness and structural integrity of the display screen are maintained, and the stability of the display effect is ensured.

[0073] In some embodiments of the utility model, as shown in Figures 1 to 8 The bottom of the lock tongue 24 is provided with a stop groove 241, and the stop groove 241 of the lock tongue 24 is clamped with the support frame 91 when the module lock is locked; the design of the stop groove 241 enables the connection between the lock tongue 24 and the support frame 91 to have accurate positioning function, and the stop groove 241 of the lock tongue 24 can be accurately clamped with the support frame 91 during the locking process, thereby ensuring the accuracy of the position of the lock tongue 24 each time it is locked; the lock tongue 24 can be effectively prevented from being separated from the locking position under external interference (such as slight collision, vibration, etc.), thereby ensuring the safe locking of the module lock.

[0074] In summary, the display screen module lock has the following advantages:

[0075] 1. Improve the stability of the structure:

[0076] The bottom of the module handle 11 is provided with a fixing hole, and the center of the rotating disc 12 is provided with a mounting hole 122 corresponding to the fixing hole; the module handle 11 and the rotating disc 12 are fixed by penetrating the mounting hole 122 and the fixing hole with the fastener 6; the module handle 11 and the rotating disc 12 are fixed together by penetrating two opposite holes with the fastener 6, which can provide relatively stable connection and help to improve the stability of the entire module lock structure.

[0077] 2. Easy to install and disassemble:

[0078] The center axes of the plurality of linear guides 22 intersect at the center of the rotating disc 12; when the center axes of the plurality of linear guides 22 intersect at the center of the rotating disc 12, the synchronization of the movement of the entire module lock is ensured, which is convenient for use and installation; during maintenance, the layout of each linear guide 22 has central symmetry, which facilitates the disassembly and maintenance of the module lock.

[0079] 3. Save maintenance and replacement cost:

[0080] The structure is simple and reasonable, does not need complex operation and special tools, saves staff time, reduces work difficulty, helps to quickly install, maintain and replace modules of the fence screen, and saves cost.

[0081] Therefore, the utility model effectively overcomes various shortcomings in prior art and has high industrial utilization value.

[0082] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A module lock for securing a main body and a lock between the main body and an installation main body, characterized by, The utility model relates to a module lock, including: Rotating mechanism (1) and moving mechanism (2); The rotating mechanism (1) is rotatably arranged on the mounting body, and the rotating mechanism (1) comprises a rotating disc (12) and a module handle (11) fixed to the middle part of the rotating disc (12), a plurality of arc-shaped rotating grooves (121) are arranged on the rotating disc (12), and the arc-shaped rotating grooves (121) extend from a distal end away from the center of the rotating disc (12) to a proximal end close to the center of the rotating disc (12); The moving mechanism (2) comprises a plurality of straight guide rails (22) arranged in the circumferential direction of the rotating disc (12) and extending radially outward of the rotating disc (12), a plurality of telescopic members (23) slidably arranged in the straight guide rails (22), one end of the telescopic member (23) is hingedly connected in the corresponding arc-shaped rotating groove (121), and the other end of the telescopic member (23) is provided with a locking tongue (24); when the rotating disc (12) rotates, the one end of the telescopic member (23) moves between the distal end and the proximal end of the arc-shaped rotating groove (121), and when the distal end is reached, the locking tongue (24) is extended, the mounting body is locked with the fixed body, and when the proximal end is reached, the locking tongue (24) is retracted, and the mounting body is unlocked.

2. The modular lock of claim 1, wherein: A cover (5) is arranged on the rotating disc (12), and the central axis of the cover (5) coincides with the central axis of the rotating disc (12).

3. The modular lock of claim 1, wherein: A fixing hole is formed in the bottom of the module handle (11), a mounting hole (122) corresponding to the fixing hole is formed in the center of the rotating disc (12), and the module handle (11) and the rotating disc (12) are fixed by a fastener (6) penetrating through the mounting hole (122) and the fixing hole.

4. The modular lock of claim 2, wherein: A through hole is formed in the center of the cover (5), and the module handle (11) abuts against the center of the rotating disc (12) by penetrating through the through hole.

5. The modular lock of claim 2, wherein: A plurality of mounting grooves are formed in the outer wall of the cover (5), one end of the straight guide rail (22) is clamped in the mounting groove and connected with the rotating disc (12).

6. The modular lock of claim 2, wherein: The central axis of the cover (5) coincides with the central axis of the rotating disc (12), and the cover (5) and the rotating disc (12) are located at the center of symmetry of the mounting body.

7. The modular lock of claim 1, wherein: The central axes of the plurality of straight guide rails (22) intersect at the center of the rotating disc (12).

8. A display module, characterized by The utility model relates to a module lock, including: The module lock of any one of claims 1-7; A display unit (92), and the rotating mechanism (1) of the module lock is rotatably arranged on the display unit (92).

9. A display device, characterized by comprising: The utility model relates to a module lock, including: A cabinet (9), and the cabinet (9) comprises a support frame (91); A plurality of display modules of claim 8 are locked with the support frame (91) by a module lock, and a plurality of the display modules are spliced into a complete display screen.

10. A display device according to claim 9, wherein: A stop groove (241) is formed in the bottom of the locking tongue (24), and the stop groove (241) of the locking tongue (24) is clamped with the support frame (91) when the module lock is locked.

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