Module lock and display module

Abstract

The invention provides a module lock and a display module. The module lock comprises a lock seat, a lock plate, a lock cylinder and a limiting piece. Wherein the lock seat is installed on the LED module, the lock seat is provided with an installation cavity, and the lock plate is connected to the lock seat and located at an opening of the lock seat. The lock cylinder comprises a lock bolt part, a lock handle part and a lock head part, and the lock handle part is arranged in the lock hole of the lock plate in a penetrating mode so that the lock cylinder can be switched between the locking position and the unlocking position. The lock bolt part is located in the mounting cavity and can abut against the lock plate, so that the lock plate can limit the lock cylinder to move in the axial direction of the lock hole. The lock head part is located outside the mounting cavity, and when the lock head part is located at the locking position, the lock head part can be connected to the mounting frame, so that the LED module is connected to the mounting frame. Meanwhile, the limiting piece is installed in the installation cavity, so that when the lock cylinder rotates to the locking position, the limiting piece can limit the lock bolt part, the lock cylinder is locked at the locking position, the lock cylinder is prevented from automatically loosening or falling off, and then the LED module is stably connected to the installation frame.

Description

Technical Field

[0001] The invention relates to the technical field of LED display screens, and in particular to a module lock and a display module. Background Art

[0002] At present, LED display modules are one of the main components of LED display screens, which can be used to display videos, pictures, texts, etc. With the rapid development of the LED industry, LED display screens are widely used in outdoor environments, making the outdoor installation and fixation of LED modules a common problem in the outdoor use of LED display screens.

[0003] In existing products, the LED module is usually connected to the mounting frame through a detachable structure, such as a magnetic structure, bolts or snap fasteners to fix the LED module.

[0004] However, when the LED module is affected by external forces such as vibration, the existing LED module connection structure may become loose or fall off, thereby affecting the use of the LED screen. Summary of the invention

[0005] The object of the present invention is to provide a module lock, which can lock an LED module on a mounting frame, facilitate installation or removal of the LED module, and prevent the module lock from loosening or falling off.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] According to one aspect of the present invention, the present invention provides a module lock for connecting the LED module to a mounting frame, the module lock comprising: a lock seat for connecting to the LED module; the lock seat is provided with a mounting cavity with an opening on one side; a locking plate is fixed to the lock seat and is located at the opening of the mounting cavity; a through lock hole is provided on the locking plate; a lock core comprises a locking bolt portion, a locking handle portion and a locking portion portion which are connected in sequence; the locking handle portion is inserted into the locking hole, and the lock core can rotate relative to the locking plate and switch between a locked position and an unlocked position; the locking bolt portion is located in the mounting cavity, and the locking bolt portion can abut against the locking plate to limit the axial movement of the lock core along the locking hole; the locking portion is located outside the mounting cavity, and in the locked position, the locking portion can be used to connect to the mounting frame; a limiting member is provided on the side wall of the mounting cavity, and when the lock core rotates to the locked position, the limiting member can limit the locking bolt portion so that the lock core is locked in the locked position.

[0008] In one embodiment of the present application, a limiting portion is protruded from the inner wall of the limiting member, and the limiting portion is elastic. The outer peripheral wall of the locking bolt portion protrudes outward to form a protrusion; the limiting portion can push against the protrusion to limit the rotation of the locking bolt portion.

[0009] In one embodiment of the present application, a butt-jointed top portion is provided on the side of the installation cavity opposite to the opening, and a limiting protrusion is provided on the side of the locking bolt portion facing away from the locking handle portion; the butt-jointed top portion is used to butt against the limiting protrusion in the circumferential direction to limit the rotation of the locking bolt portion; the butt-jointed top portion and the limiting portion are spaced apart in the circumferential direction of the lock hole, so that when the lock core is in the locking position, the butt-jointed top portion and the limiting portion can limit the circumference of the locking bolt portion.

[0010] In one embodiment of the present application, the limiting member is arc-shaped; the limiting member includes a middle portion and two main portions; the two main portions are respectively connected to two opposite sides of the middle portion; the middle portion is bent into an arc shape and protrudes toward the center of the limiting member to form the limiting portion; the outer peripheral wall of the main portion is fitted to the inner side wall of the installation cavity so that the limiting member is fastened in the installation cavity.

[0011] In one embodiment of the present application, a clamping portion is protruding from the inner wall of the installation cavity, and a clamping groove is provided on the limiting member; the clamping groove is provided corresponding to the clamping portion, so that the clamping portion can be clamped in the clamping groove and limit the rotation of the limiting member relative to the lock seat.

[0012] In one embodiment of the present application, the module lock also includes an elastic member; one end of the elastic member abuts against a side of the installation cavity away from the opening, and the other end abuts against a side of the locking bolt portion away from the locking handle portion, so as to press the locking bolt portion against the locking plate.

[0013] In one embodiment of the present application, a protruding adjustment portion is provided on a side of the locking plate facing the installation cavity, and an avoidance groove is recessed on a side of the locking bolt portion facing the locking handle portion, and the avoidance groove is provided corresponding to the adjustment portion to avoid the adjustment portion; the adjustment portion is inclined at a side away from the locking plate to form an adjustment slope, and in the circumferential direction of the locking hole, the adjustment slope is inclined from the locking plate toward a direction away from the locking plate, so that when the adjustment slope hits the side of the locking bolt portion facing the locking handle portion, the adjustment slope can adjust the distance between the locking bolt portion and the locking plate.

[0014] In one embodiment of the present application, a plurality of adjustment protrusions are arranged at intervals on the adjustment inclined surface, and the plurality of adjustment protrusions are arranged in parallel from the locking plate toward away from the locking plate; an adjustment groove is recessed on the side of the locking bolt portion facing the locking handle portion; the adjustment groove is arranged corresponding to the adjustment protrusion, so that the adjustment protrusion can be stuck in the adjustment groove and limit the rotation of the locking handle portion relative to the locking plate.

[0015] In one embodiment of the present application, the lock head portion is provided with two lock hooks; the two lock hooks are arranged on the outer peripheral wall of the lock handle portion and extend along the same radial direction.

[0016] The present application also provides a display module, comprising an LED module, a mounting frame and any one of the module locks described above; the module lock is fixedly connected to the LED module, the mounting frame is provided with a connecting portion, and the connecting portion is provided with a connecting through hole; the lock head portion can pass through the connecting through hole and rotate relative to the connecting portion to be clamped on the connecting portion, so that the LED module is detachably connected to the mounting frame through the module lock.

[0017] It can be seen from the above technical solution that the present invention has at least the following advantages and positive effects:

[0018] In the present invention, the module lock includes a lock seat, a lock plate, a lock core and a limiter. The lock seat is installed on the LED module, the lock seat is provided with a mounting cavity, and the lock plate is connected to the lock seat and is located at the opening of the lock seat. The lock core includes a lock bolt, a lock handle and a lock head, and the lock handle is inserted into the lock hole of the lock plate, so that the lock core can be switched between a locked position and an unlocked position. The lock bolt is located in the mounting cavity and can abut against the lock plate, so that the lock plate can limit the axial movement of the lock core along the lock hole. The lock head is located outside the mounting cavity, and when in the locked position, the lock head can be connected to the mounting frame, thereby connecting the LED module to the mounting frame. At the same time, the limiter is installed in the mounting cavity, so that when the lock core rotates to the locked position, the limiter can limit the lock bolt, so that the lock core is locked in the locked position, to prevent the lock core from automatically loosening or falling off, and thus the LED module is firmly connected to the mounting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of a display module according to an embodiment of the present invention.

[0020] Figure 2 yes Figure 1 A magnified view of point A.

[0021] Figure 3 4 is a cross-sectional view of a module lock according to an embodiment of the present invention.

[0022] Figure 4 yes Figure 3Schematic diagram of the lock seat of the modular lock.

[0023] Figure 5 yes Figure 3 Schematic diagram of the locking piece of the module lock.

[0024] Figure 6 yes Figure 3 Schematic diagram of the lock cylinder of the modular lock.

[0025] Figure 7 yes Figure 3 Schematic diagram of the limiter of the module lock.

[0026] Figure 8 yes Figure 3 Schematic diagram of the cooperation between the limiter and the lock bolt of the module lock.

[0027] Fig. 9 yes Figure 3 Another schematic diagram of the cooperation between the limiter and the locking bolt of the module lock.

[0028] Fig.10 yes Figure 3 Schematic diagram of the lock piece and the lock bolt part of the modular lock.

[0029] The following are the descriptions of the reference numerals:

[0030] 1-LED module; 2-installation frame; 3-module lock; 4-connecting part; 5-connecting through hole; 10-lock seat; 11-installation cavity; 12-top; 13-clamping part; 20-locking piece; 21-locking hole; 22-adjusting part; 30-lock cylinder; 31-lock bolt; 32-lock handle; 33-locking part; 40-limiting member; 41-limiting part; 42-middle part; 43-main body; 44-clamping groove; 45-first connection; 46-second connection; 50-elastic member; 101-back plate; 221-adjusting inclined plane; 222-adjusting protrusion; 311-protruding part; 312-limiting protrusion; 313-avoidance groove; 314-adjusting groove; 331-lock hook. DETAILED DESCRIPTION

[0031] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0032] In the description of the present invention, it is to be understood that in the embodiments shown in the drawings, the indications of directions or positional relationships (such as up, down, left, right, front and back, etc.) are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, the indications of these directions also change accordingly.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] In existing products, LED modules are usually connected to the mounting frame through a detachable structure, such as a magnetic structure, bolts or snaps to fix the LED module. However, when the LED module is affected by external forces such as vibration, the existing LED module connection structure may become loose or fall off, thereby affecting the use of the LED screen. Therefore, a module lock is proposed to solve the above problem.

[0035] The scheme is further illustrated by the following examples:

[0036] Figure 1 is a schematic diagram of a display module according to an embodiment of the present invention. Figure 2 yes Figure 1 A magnified view of point A.

[0037] See also Figure 1 and Figure 2 The display module of this embodiment may include an LED module 1 , a mounting frame 2 and a module lock 3 .

[0038] The module lock 3 can be fixedly connected to the LED module 1, and the lock head 33 of the module lock 3 extends from the LED module 1, so that the lock head 33 can be connected to the installation frame 2. The installation frame 2 can be provided with a connecting portion 4, and a connecting through hole 5 can be opened on the connecting portion 4, and the shape of the connecting through hole 5 is adapted to the shape of the lock head 33, so that the lock head 33 can be inserted into the connecting through hole 5 and can rotate relative to the connecting portion 4, so that the lock head 33 can be clamped on the connecting portion 4, thereby making the LED module 1 detachably connected to the installation frame 2 through the module lock 3, which facilitates the installation and removal of the LED module 1. At the same time, a limiting structure is provided on the module lock 3 to limit the module lock 3 from loosening or falling off during use, thereby ensuring the stability of the connection between the LED module 1 and the module lock 3.

[0039] In this embodiment, the LED module 1 may include an LED light-emitting board and a back panel, and the LED light-emitting board is mounted on the back panel. Meanwhile, the module lock 3 is connected to the back panel to facilitate the connection of the LED module 1 to the mounting frame 2.

[0040] Specifically, each LED module 1 may be provided with a plurality of module locks 3 at intervals, so that the LED module 1 is connected to the mounting frame 2 through the plurality of module locks 3, ensuring that the LED module 1 can be firmly connected to the mounting frame 2. Specifically, four module locks 3 may be provided on one LED module 1, and the four module locks 3 are respectively located at the four corners of the LED module 1, so that the LED module 1 can be firmly connected to the mounting frame 2 through the module locks 3.

[0041] In addition, the display module may include a plurality of LED modules 1, and the plurality of LED modules 1 may be detachably connected to the mounting frame 2 to be spliced ​​into an integral display screen. The mounting frame 2 may be provided with a plurality of mounting areas for mounting the LED modules 1, and the mounting areas may be arranged according to actual needs, so that the plurality of LED modules 1 may be spliced ​​on the mounting frame 2 to form an integral display screen.

[0042] Figure 3 4 is a cross-sectional view of a module lock according to an embodiment of the present invention. Figure 4 yes Figure 3 Schematic diagram of the lock seat of the modular lock. Figure 5 yes Figure 3 Schematic diagram of the locking piece of the module lock. Figure 6 yes Figure 3 Schematic diagram of the lock cylinder of the modular lock. Figure 7 yes Figure 3 Schematic diagram of the limiter of the module lock.

[0043] See also Figure 3 and Figure 4 The module lock 3 may include a lock seat 10 , a lock plate 20 , a lock core 30 and a limit member 40 .

[0044] The lock base 10 can be used to be connected to the LED module 1 , so that the module lock 3 is connected to the LED module 1 through the lock base 10 .

[0045] Specifically, the lock base 10 can be formed on the LED module 1, that is, the lock base 10 can be directly formed on the back plate 101 of the LED module 1, so that the lock base 10 is fixed on the LED module 1, so that the lock base 10 can be used to install the lock piece 20, the lock core 30 and the limiter 40. Of course, the lock base 10 can also be installed on the LED module 1 through a connector.

[0046] In this embodiment, the lock seat 10 may be provided with a mounting cavity 11 , and one side of the mounting cavity 11 is open, so that the lock core 30 can be partially accommodated in the mounting cavity 11 .

[0047] The locking piece 20 can be fixed on the lock base 10 and located at the opening of the installation cavity 11. Specifically, the locking piece 20 can be connected to the lock base 10 by screws, so that the locking piece 20 can partially cover the opening of the installation cavity 11.

[0048] See also Figure 5 The lock plate 20 may be provided with a through lock hole 21, and the lock hole 21 may be used to pass the lock core 30, so that a portion of the lock core 30 may be accommodated in the installation cavity 11, and another portion of the lock core 30 may be located outside the installation cavity 11, so that the portion may be connected to the installation frame 2.

[0049] See also Figure 6 The lock core 30 may include a bolt portion 31, a lock handle portion 32 and a lock head portion 33. The bolt portion 31, the lock handle portion 32 and the lock head portion 33 are connected in sequence, that is, the bolt portion 31 and the lock head portion 33 are respectively connected to the two ends of the lock handle portion 32 in the axial direction.

[0050] In this embodiment, the lock handle portion 32 is inserted into the lock hole 21, so that the lock bolt portion 31 is located in the installation cavity 11, and the lock head portion 33 is located outside the installation cavity 11. In addition, the lock handle portion 32 can rotate in the lock hole 21, so that the lock core 30 can rotate relative to the lock plate 20, and the lock core 30 can switch between the locked position and the unlocked position.

[0051] Specifically, in the locked position, the lock portion 33 of the lock core 30 can be connected to the mounting frame 2, so that the LED module 1 can be fastened to the mounting frame 2 through the module lock 3. In the unlocked position, the lock portion 33 is disengaged from the mounting frame 2, so that the LED module 1 can be removed from the module lock 3, thereby facilitating the installation and removal of the LED module 1.

[0052] In this embodiment, the lock head portion 33 may be provided with two lock hooks 331. Furthermore, the two lock hooks 331 may be provided on the outer peripheral wall of the lock handle portion 32 and extend along the same radial direction so that the two lock hooks 331 can be clamped on the connecting portion 4 of the installation frame 2.

[0053] In some other embodiments, the lock portion 33 may also be provided with only one lock hook 331 so that the lock portion 33 can be snap-connected to the installation frame 2 .

[0054] See also Figure 3The locking bolt portion 31 can be located in the installation cavity 11, and the locking bolt portion 31 can abut against the locking plate 20, thereby limiting the axial movement of the lock core 30 along the lock hole 21. That is, the hole diameter of the lock hole 21 is smaller than the diameter of the locking bolt portion 31, so that the locking plate 20 can abut and limit the locking bolt portion 31 in the axial direction of the lock hole 21, thereby preventing the locking bolt portion 31 from escaping from the installation cavity 11.

[0055] The locking portion 33 may be located outside the mounting cavity 11 , so that when in the locked position, the locking portion 33 can be used to connect to the mounting frame 2 , so that the LED module 1 can be connected to the mounting frame 2 through the module lock 3 .

[0056] It should be noted that the shape of the lock hole 21 is adapted to the lock bolt portion 31, so that the lock hole 21 can be provided with the lock bolt portion 31, thereby facilitating the installation of the lock core 30 and the lock plate 20. That is, in this embodiment, the lock bolt portion 31 of the lock core 30 can be accommodated in the installation cavity 11 first, and then the lock hole 21 of the lock plate 20 passes through the lock bolt portion 31, so that the lock plate 20 can be installed at the opening of the installation cavity 11, and the lock handle portion 32 is located in the lock hole 21, thereby facilitating the installation of the lock core 30 and the lock plate 20.

[0057] See also Figure 3 and Figure 7 The limit member 40 can be set on the side wall of the installation cavity 11, and when the lock core 30 rotates to the locking position, the limit member 40 can limit the locking bolt part 31, so that the lock core 30 is locked in the locking position, to prevent the module lock 3 from automatically loosening or falling off during use, thereby affecting the stability of the connection between the LED module 1 and the module lock 3.

[0058] See also Figure 4 and Figure 7 The inner wall of the installation cavity 11 may be provided with a clamping portion 13, and the stopper 40 may be provided with a clamping groove 44. The clamping groove 44 is provided corresponding to the clamping portion 13, so that the clamping portion 13 can be clamped in the clamping groove 44 and limit the rotation of the stopper 40 relative to the lock seat 10, thereby fixing the stopper 40 in the installation cavity 11 and preventing the stopper 40 from rotating relative to the lock seat 10.

[0059] It should be noted that since the clamping portion 13 radially protrudes from the inner wall of the mounting cavity 11, after the clamping groove 44 of the limiting member 40 is clamped on the clamping portion 13, the clamping portion 13 can limit the limiting member 40 in the axial direction, thereby preventing the limiting member 40 from moving axially relative to the lock seat 10.

[0060] In some other embodiments, the limiting member 40 may also be attached to the inner wall of the installation cavity 11 by an adhesive, so that the limiting member 40 is fixed in the installation cavity 11. Of course, the outer peripheral wall of the limiting member 40 may also be provided with a convex clamping portion, and the inner wall of the installation cavity 11 may be provided with a concave clamping groove, so that the clamping portion is clamped in the clamping groove, thereby fixing the limiting member 40 in the installation cavity 11 and preventing the limiting member 40 from rotating relative to the lock seat 10.

[0061] Figure 8 yes Figure 3 Schematic diagram of the cooperation between the limiter and the lock bolt of the module lock. Fig. 9 yes Figure 3 Another schematic diagram of the cooperation between the limiter and the locking bolt of the module lock.

[0062] See also Figure 6 , Figure 7 and Figure 8 The limiting member 40 may be provided with a limiting portion 41 .

[0063] Specifically, the limiting portion 41 protrudes from the inner wall of the limiting member 40 and has elasticity. At the same time, the outer peripheral wall of the locking bolt portion 31 protrudes outward to form a protruding portion 311. The limiting portion 41 can abut against the protruding portion 311 to limit the rotation of the locking bolt portion 31. That is, during the rotation of the locking bolt portion 31 relative to the lock base 10, the limiting portion 41 can abut against the protruding portion 311 to limit the rotation of the locking bolt portion 31 relative to the lock base 10.

[0064] Since the limiting portion 41 is elastic, when the operator applies a driving force to the lock core 30 and causes the lock core 30 to rotate, the protrusion 311 can apply pressure to the limiting portion 41, causing the limiting portion 41 to deform, and after the limiting portion 41 is deformed, the protrusion 311 can pass over the limiting portion 41, so that the lock core 30 can rotate from the locked position to the unlocked position, or from the unlocked position to the locked position, thereby allowing the lock core 30 to switch between the locked position and the unlocked position.

[0065] In actual use, the driving force applied by the operator should be greater than the force generated by the LED module 1 itself due to factors such as vibration during use, so as to prevent the protrusion 311 of the lock core 30 from crossing the limit portion 41 when the lock core 30 is subjected to vibration, thereby preventing the lock core 30 from automatically switching between the locked position and the unlocked position.

[0066] It should be noted that the limiting member 40 may be a plastic member having elastic deformation capability, so that the limiting portion 41 on the limiting member 40 has elasticity, and further the limiting portion 41 can limit the lock core 30 .

[0067] See also Figure 7 The limiting member 40 may be arc-shaped, that is, an opening is provided on the limiting member 40 .

[0068] Specifically, the stopper 40 may include a middle portion 42 and two main portions 43. The two main portions 43 are respectively connected to opposite sides of the middle portion 42, and form a first connection 45 and a second connection 46 at the connection. It should be noted that the thickness of the middle portion 42 is the same as that of the two main portions 43.

[0069] In this embodiment, the stopper 40 can be configured as an elastic structural member, wherein the middle portion 42 is bent into an arc shape and protrudes toward the center direction of the stopper 40 to form an elastic stopper 41, so that when the protrusion 311 applies pressure to the stopper 41, the middle portion 42 can avoid the protrusion 311 after elastic deformation, so that the lock core 30 can rotate relative to the stopper 40, thereby switching between the locked position and the unlocked position.

[0070] At the same time, the outer peripheral wall of the main body 43 is in contact with the inner wall of the installation cavity 11 , so that the limiting member 40 is fastened in the installation cavity 11 .

[0071] In this embodiment, if Figure 8 , Fig. 9 As shown, when the protrusion 311 abuts against the first connection 45, the lock core 30 can be located in the unlocking position, and when the protrusion 311 abuts against the second connection 46, the lock core 30 can be located in the locking position. That is, when the lock core 30 is driven by the operator and the protrusion 311 rotates from the first connection 45 to the second connection 46, the lock core 30 switches from the unlocking position to the locking position.

[0072] Fig.10 yes Figure 3 Schematic diagram of the lock piece and the lock bolt part of the modular lock.

[0073] See also Figure 4 and Fig.10 The side of the installation cavity 11 opposite to the opening may be provided with a stopper 12, and the side of the lock bolt 31 away from the lock handle 32 may be provided with a stopper protrusion 312. The stopper 12 is used to stop the stopper protrusion 312 in the circumferential direction to limit the rotation of the lock bolt 31, that is, the stopper 12 cooperates with the stopper protrusion 312 to limit the rotation of the lock cylinder 30 relative to the lock seat 10.

[0074] In this embodiment, the abutting top portion 12 and the limiting portion 41 are arranged at intervals in the circumferential direction of the lock hole 21, so that when the lock core 30 is in the locked position, the abutting top portion 12 and the limiting portion 41 can limit the circumferential direction of the lock bolt portion 31. Specifically, the abutting of the abutting top portion 12 and the limiting protrusion 312 can limit the rotation of the lock core 30, and the abutting of the limiting portion 41 and the protrusion 311 can also limit the rotation of the lock core 30, so that the abutting top portion 12 and the limiting portion 41 can limit the circumferential direction of the lock core 30, so that the lock core 30 rotates within a specific rotation angle, thereby preventing the lock core 30 from rotating too much, which will cause the lock head portion 33 to be disconnected from the connecting portion 4 of the mounting frame 2.

[0075] It should be noted that, after the protrusion 311 rotates from the first connection 45 to the second connection 46, the locking bolt portion 31 needs to continue to rotate a certain angle so that the limiting protrusion 312 can abut against the top portion 12 and form a limit, that is, in the locked position, the locking bolt portion 31 can rotate a certain angle so that the lock core 30 is just connected to the mounting frame 2.

[0076] See also Figure 3 The module lock 3 may further include an elastic member 50 .

[0077] Among them, one end of the elastic member 50 presses against the side of the installation cavity 11 away from the opening, and the other end presses against the side of the lock bolt portion 31 away from the lock handle portion 32, so that the elastic member 50 can press the lock bolt portion 31 against the lock plate 20 to prevent the lock core 30 from moving axially relative to the lock seat 10 and the lock plate 20.

[0078] In this embodiment, the elastic member 50 is configured as a spring, so that the locking bolt portion 31 of the lock core 30 abuts against the locking plate 20 under the elastic force of the spring.

[0079] Of course, the elastic member 50 can also be configured as an elastic plastic member or an elastic pad to push the locking bolt portion 31 against the locking plate 20 to prevent the lock core 30 from moving axially relative to the lock seat 10 or the locking plate 20 .

[0080] See also Figure 5 , Figure 6 and Fig.10 The locking piece 20 may be provided with an adjusting portion 22 on the side facing the installation cavity 11, and the adjusting portion 22 protrudes from the side of the locking piece 20 in the direction facing the installation cavity 11. At the same time, the locking bolt portion 31 is provided with an avoidance groove 313 on the side facing the lock handle portion 32, and the avoidance groove 313 is recessed in the direction away from the lock handle portion 32. At the same time, the avoidance groove 313 is provided corresponding to the adjusting portion 22 to avoid the adjusting portion 22.

[0081] In this embodiment, the adjusting portion 22 is inclined at a side away from the locking plate 20 to form an adjusting slope 221, and in the circumferential direction of the lock hole 21, the adjusting slope 221 is inclined from the locking plate 20 to a direction away from the locking plate 20, so that when the adjusting slope 221 abuts against the side of the locking bolt portion 31 facing the lock handle portion 32, the adjusting slope 221 can adjust the distance between the locking bolt portion 31 and the locking plate 20. That is, when the side of the locking bolt portion 31 facing the lock handle portion 32 abuts against the adjusting slope 221 at different positions, the distance between the locking bolt portion 31 and the locking plate 20 will be different, thereby achieving the purpose of adjusting the distance between the locking bolt portion 31 and the locking plate 20, and then adjusting the distance between the lock head portion 33 and the lock seat 10, that is, adjusting the tightness of the connection between the module lock 3 and the mounting frame 2.

[0082] In addition, a plurality of adjustment protrusions 222 may be arranged at intervals on the adjustment inclined surface 221, and the plurality of adjustment protrusions 222 are arranged in parallel from the locking plate 20 toward away from the locking plate 20, so that the ends of the adjustment protrusions 222 away from the adjustment inclined surface 221 are also sequentially away from the locking plate 20. At the same time, an adjustment groove 314 is recessed on the side of the lock bolt portion 31 facing the lock handle portion 32. The adjustment groove 314 is arranged corresponding to the adjustment protrusion 222, so that the adjustment protrusion 222 can be stuck in the adjustment groove 314, and the lock handle portion 32 is restricted from rotating relative to the lock plate 20.

[0083] Therefore, by adjusting the cooperation between different adjustment protrusions 222 on the adjustment slope 221 and the adjustment groove 314, the spacing between the locking bolt portion 31 and the locking plate 20 can be adjusted, and the spacing between the locking portion 33 and the locking plate 20 or the lock seat 10 in the axial direction can be adjusted, thereby adjusting the distance between the installation frame 2 and the LED module 1 in the axial direction. That is, by adjusting the cooperation between different adjustment protrusions 222 and the adjustment groove 314, the tightness of the connection between the LED module 1 and the installation frame 2 in the axial direction can be adjusted, so that the LED module 1 is firmly connected to the installation frame 2.

[0084] It should be noted that, after the lock core 30 is rotated to the locked position, the adjustment portion 22 will abut against the side of the lock bolt portion 31 toward the lock handle portion 32, so that even if the adjustment protrusion 222 is disengaged from the adjustment groove 314, the lock core 30 will not rotate from the locked position to the unlocked position, thereby inevitably causing the LED module 1 to detach from or fall off the mounting frame 2.

[0085] In this embodiment, two adjusting portions 22 and two avoiding grooves 313 are provided, and both are axially symmetrically arranged to adjust the distance between the locking bolt portion 31 and the locking plate 20 and ensure that the posture between the locking bolt portion 31 and the locking plate 20 remains stable.

[0086] In addition, if Figure 5As shown, an adjustment protrusion 222 may also be provided on the side of the lock plate 20 facing the installation cavity 11, and the adjustment protrusion 222 can cooperate with the adjustment groove 314, so that after the lock core 30 is in the locked position, the adjustment protrusion 222 can engage with the adjustment groove 314, thereby preventing the lock core 30 from rotating relative to the lock seat 10.

[0087] In summary, the lock base 10 is installed on the LED module 1, and the lock base 10 is provided with a mounting cavity 11. The lock plate 20 is connected to the lock base 10 and is located at the opening of the lock base 10. The lock core 30 includes a lock bolt portion 31, a lock handle portion 32 and a lock head portion 33. The lock handle portion 32 is inserted into the lock hole 21 of the lock plate 20, so that the lock core 30 can switch between a locked position and an unlocked position. The lock bolt portion 31 is located in the mounting cavity 11 and can abut against the lock plate 20, so that the lock plate 20 can limit the axial movement of the lock core 30 along the lock hole 21. The lock head portion 33 is located outside the mounting cavity 11, and when in the locked position, the lock head portion 33 can be connected to the mounting frame 2, thereby connecting the LED module 1 to the mounting frame 2. At the same time, the limit member 40 is installed in the installation cavity 11, so that when the lock core 30 rotates to the locking position, the limit member 40 can limit the locking bolt part 31, so that the lock core 30 is locked in the locking position, preventing the lock core 30 from automatically loosening or falling off, thereby making the LED module 1 firmly connected to the installation frame 2.

[0088] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A module lock, used to connect the LED module to the installation frame, characterized in that: The module lock comprises: A lock base, used for connecting to the LED module; the lock base is provided with a mounting cavity with one side open; A locking plate is fixed on the lock seat and is located at the opening of the installation cavity; a through locking hole is formed on the locking plate; The lock core comprises a locking bolt portion, a locking handle portion and a locking portion which are connected in sequence; the locking handle portion is inserted into the locking hole, and the lock core can rotate relative to the locking plate and switch between a locked position and an unlocked position; the locking bolt portion is located in the mounting cavity, and the locking bolt portion can abut against the locking plate to limit the axial movement of the lock core along the locking hole; the locking portion is located outside the mounting cavity, and in the locked position, the locking portion can be used to connect to the mounting frame; A limiting member is arranged on the side wall of the installation cavity. When the lock core rotates to the locking position, the limiting member can limit the locking bolt portion so that the lock core is locked at the locking position.

2. The modular lock according to claim 1, characterized in that: The inner wall of the limiting member is provided with a limiting portion, which is elastic and protrudes outwards from the outer peripheral wall of the locking bolt to form a protruding portion; the limiting portion can push against the protruding portion to limit the rotation of the locking bolt.

3. The modular lock according to claim 2, characterized in that: A butt-jointed portion is provided on the side of the mounting cavity opposite to the opening, and a limiting protrusion is provided on the side of the locking bolt portion facing away from the locking handle portion; the butt-jointed portion is used to butt against the limiting protrusion in the circumferential direction to limit the rotation of the locking bolt portion; the butt-jointed portion and the limiting portion are spaced apart in the circumferential direction of the lock hole, so that when the lock core is located in the locking position, the butt-jointed portion and the limiting portion can limit the circumferential direction of the locking bolt portion.

4. The modular lock according to claim 2, characterized in that: The limiting member is arc-shaped; the limiting member includes a middle portion and two main portions; the two main portions are respectively connected to two opposite sides of the middle portion; the middle portion is bent into an arc shape and protrudes toward the center of the limiting member to form the limiting portion; the outer peripheral wall of the main portion is fitted to the inner side wall of the installation cavity so that the limiting member is fastened in the installation cavity.

5. The modular lock according to claim 1, characterized in that: The inner wall of the installation cavity is convexly provided with a clamping portion, and the limiting member is provided with a clamping groove; the clamping groove is provided corresponding to the clamping portion, so that the clamping portion can be clamped in the clamping groove and limit the limiting member from rotating relative to the lock seat.

6. The modular lock according to claim 1, characterized in that: It also includes an elastic member; one end of the elastic member presses against the side of the installation cavity away from the opening, and the other end presses against the side of the locking bolt part away from the locking handle part, so as to press the locking bolt part against the locking plate.

7. The modular lock according to claim 5, characterized in that: A protruding adjusting portion is provided on a side of the locking plate facing the mounting cavity, and an avoiding groove is recessed on a side of the locking bolt portion facing the locking handle portion, and the avoiding groove is provided corresponding to the adjusting portion for avoiding the adjusting portion; the adjusting portion is inclined at a side away from the locking plate to form an adjusting slope, and in the circumferential direction of the locking hole, the adjusting slope is inclined from the locking plate toward a direction away from the locking plate, so that when the adjusting slope abuts against the side of the locking bolt portion facing the locking handle portion, the adjusting slope can adjust the distance between the locking bolt portion and the locking plate.

8. The modular lock according to claim 7, characterized in that: A plurality of adjustment protrusions are arranged at intervals on the adjustment inclined surface, and the plurality of adjustment protrusions are arranged in parallel from the locking plate toward away from the locking plate; an adjustment groove is recessed on the side of the locking bolt portion facing the locking handle portion; the adjustment groove is arranged corresponding to the adjustment protrusion, so that the adjustment protrusion can be stuck in the adjustment groove and limit the rotation of the locking handle portion relative to the locking plate.

9. The modular lock according to claim 1, characterized in that: The lock head portion is provided with two lock hooks; the two lock hooks are arranged on the outer peripheral wall of the lock handle portion and extend along the same radial direction.

10. A display module, characterized in that: It comprises an LED module, a mounting frame and a module lock as described in any one of claims 1 to 9; the module lock is fixedly connected to the LED module, the mounting frame is provided with a connecting portion, and the connecting portion is provided with a connecting through hole; the lock head portion can pass through the connecting through hole and rotate relative to the connecting portion to be snapped onto the connecting portion, so that the LED module is detachably connected to the mounting frame through the module lock.

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