Display screen lock and display screen frame
By designing a display screen lock with transmission components and gear meshing, the locking pin can be hidden and extended, solving the placement inconvenience and security problems caused by the lock body protruding from the frame in the existing technology, and improving the connection reliability and security of the display screen.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ROE VISUAL CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-07-03
AI Technical Summary
The male lock body of the existing LED display lock protrudes outside the frame, making it inconvenient to place alone and affecting security.
Design a display screen lock, including a transmission component, a slider, and a locking pin. The locking pin is hidden and extended by gear meshing. The transmission component drives the locking pin to slide in opposite directions. The locking pin can be hidden inside the frame or extended outside the frame for connection with adjacent screens.
It improves the security of the display screen placement, avoids the inconvenience of the lock body protruding from the frame affecting independent placement, and enhances the reliability and security of the connection.
Smart Images

Figure CN224460186U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of LED display technology, and in particular to a display screen lock and a display screen frame. Background Technology
[0002] Currently, LED display screens are generally composed of multiple LED displays spliced together. Adjacent LED displays usually need to be locked together using display locks. Display locks are generally male and female lock bodies distributed on the frames of adjacent displays. When the male lock body needs to be placed separately, the presence of the male lock body protruding from the frame makes placement extremely inconvenient and affects the security of placing it alone. Utility Model Content
[0003] In view of the above problems, embodiments of the present invention are proposed to provide a display lock that solves or at least partially solves the above problems.
[0004] In a first aspect, this utility model embodiment provides a display screen lock, which includes:
[0005] A transmission component is provided with a rotating shaft, which allows it to rotate around the rotating shaft. A first gear and a second gear are respectively provided at the ends on both sides of the rotating shaft.
[0006] A slider is provided on the side of the transmission member away from the second gear, and a first rack that meshes with the first gear is provided on the side of the slider facing the transmission member;
[0007] A locking pin is provided on the side of the transmission member away from the first gear, and a second rack that meshes with the second gear is provided on the side of the locking pin facing the transmission member;
[0008] When the slider slides along the first direction, the transmission component can drive the locking pin to slide along a second direction opposite to the first direction.
[0009] Furthermore, the display screen lock also includes a housing, in which the transmission component, the slider, and the locking pin are all disposed. The side of the housing is provided with a pivot hole for the pivot shaft to pass through, and the housing is provided with a first through hole opposite to the end of the slider and a second through hole opposite to the end of the locking pin.
[0010] Furthermore, the housing includes an outer shell and a cover plate, and both the first through hole and the second through hole are disposed on the side of the outer shell opposite to the cover plate;
[0011] The outer casing has a positioning post on the side facing the cover plate, and the cover plate has a positioning hole for the positioning post to pass through.
[0012] Furthermore, the display lock also includes a spring, which is disposed inside the housing, with one end abutting against the cover plate and the other end abutting against the end of the slider away from the first through hole.
[0013] Furthermore, the locking pin includes a lock body and a pin connected together, the second rack is disposed on the side of the pin facing the rotating member, and when the locking pin slides along the second direction, the end of the lock body away from the pin can extend out of the second through hole.
[0014] Furthermore, the end of the lock body furthest from the column is provided with a mushroom head; or,
[0015] The end of the lock body away from the column is provided with a locking pin that is perpendicularly connected to the lock body.
[0016] Furthermore, the slider and the locking pin are provided with beaded surfaces on their respective sides that are far apart from each other;
[0017] The inner wall of the housing is provided with a groove that can accommodate the beads.
[0018] Secondly, this utility model embodiment also provides a display screen frame, which includes:
[0019] First pole;
[0020] According to any one of the first aspects above, the display screen lock is disposed in the first frame rod. When the slider slides along a first direction close to the center of the frame, the transmission member can drive the locking pin to slide along a second direction away from the center of the frame, so that the head end of the locking pin extends out of the first frame rod.
[0021] Furthermore, the display frame also includes:
[0022] A second support rod opposite to the first support rod, the second support rod being provided with a protruding push block capable of pushing the slider to slide along the first direction;
[0023] The second support pole is also provided with a locking mechanism that connects the head of the locking pin to the head of the locking pin when the head of the locking pin extends out of the first support pole.
[0024] Furthermore, the two display screen locks are respectively located near the two ends of the first support rod.
[0025] In the technical solution provided by this utility model embodiment, the transmission component of the display screen lock is provided with a rotating shaft, which can rotate around the rotating shaft. A first gear and a second gear are respectively provided at the ends of the rotating shaft on both sides. The slider is provided on the side of the transmission component away from the second gear, and a first rack that meshes with the first gear is provided on the side of the slider facing the transmission component. The locking pin is provided on the side of the transmission component away from the first gear, and a second rack that meshes with the second gear is provided on the side of the locking pin facing the transmission component. When the slider slides along the first direction, the transmission component can drive the locking pin to slide along the second direction opposite to the first direction, so that the locking pin can slide by pushing the slider. When applied to the display screen frame, the locking pin can be hidden inside the frame or extend outside the frame. Wherein, extending outside the frame can be used to connect with adjacent screens, while being hidden inside the frame does not affect the placement of the screen and improves the security of the screen placement. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0027] Figure 1 An exploded three-dimensional structural diagram of a display screen lock provided for an embodiment of this utility model;
[0028] Figure 2 A three-dimensional structural diagram of a display screen lock provided for an embodiment of this utility model;
[0029] Figure 3 A schematic diagram of one side structure of a display screen lock provided in an embodiment of this utility model;
[0030] Figure 4 A partial three-dimensional structural diagram of a display screen frame provided in an embodiment of this utility model;
[0031] Figure 5 A three-dimensional structural diagram of the connection between two display screen frames provided in an embodiment of this utility model. Detailed Implementation
[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the embodiments of this utility model.
[0033] It should be noted that in the description of this utility model, if the terms "first" or "second" appear, they are only used for the convenience of describing different components or names, and should not be construed as indicating or implying a sequential relationship, relative importance, or implicitly specifying the number of technical features indicated. Therefore, a feature specified with "first" or "second" may explicitly or implicitly include at least one of those features. Furthermore, if "and / or" appears throughout the text, it means that it includes three parallel solutions; taking "A and / or B" as an example, it includes solution A, solution B, or a solution that simultaneously satisfies A and B.
[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
[0035] Please refer to Figure 1 This is an exploded three-dimensional structural diagram of a display screen lock provided in an embodiment of the present utility model. The display screen lock includes a transmission component 10, a slider 20, and a locking pin 30.
[0036] Combination Figure 2-3 The transmission member 10 is provided with a rotating shaft 110 and can rotate around the rotating shaft 110. A first gear 101 and a second gear 102 are respectively provided at the ends on both sides of the rotating shaft 110. The slider 20 is provided on the side of the transmission member 10 away from the second gear 102, and a first rack 210 that meshes with the first gear 101 is provided on the side of the slider 20 facing the transmission member 10. The locking pin 30 is provided on the side of the transmission member 10 away from the first gear 101, and a second rack 310 that meshes with the second gear 102 is provided on the side of the locking pin 30 facing the transmission member 10. When the slider 20 slides in the first direction, the transmission member 10 can drive the locking pin 30 to slide in the second direction opposite to the first direction.
[0037] Specifically, the shape of the transmission component 10 includes, but is not limited to, a fan-shaped structure. The rotating shaft 110 passes through the middle position of the transmission component 10, allowing the transmission component 10 to rotate around the rotating shaft 110. A first gear 101 and a second gear 102 are respectively provided at both ends of the transmission component 10. The slider 20 and the locking pin 30 are respectively provided on both sides of the transmission component 10, and a first rack 210 and a second rack 310 are respectively provided on the opposite sides of the slider 20 and the locking pin 30. The first rack 210 can mesh with the first gear 101, and the second rack 310 can mesh with the second gear 102. When a pushing force is applied to the slider 20, the slider 20 can slide in the first direction (as shown by the dotted arrow in the figure) and drive the transmission member 10 to rotate. Then, the transmission member 10 drives the locking pin 30 to slide in the second direction opposite to the first direction (as shown by the dotted arrow in the figure), so that the head end of the locking pin 30 is locked and connected to the locking body of another display screen lock.
[0038] When the display lock of this utility model is applied to the display frame, the locking pin 30 can be hidden inside the frame or extend outside the frame. When it extends outside the frame, it can be used to connect with the display lock of the adjacent screen, while when it is hidden inside the frame, it will not affect the placement of the screen and thus improve the security of the screen placement.
[0039] Furthermore, in other preferred embodiments of the present invention, the display screen lock further includes a housing 40, the transmission member 10, the slider 20 and the locking pin 30 are all disposed in the housing 40, the side of the housing 40 is provided with a pivot hole 410 for the pivot 110 to pass through, and the housing 40 is provided with a first through hole 401 opposite to the end of the slider 20 and a second through hole 402 opposite to the end of the locking pin 30.
[0040] Specifically, the housing 40 is used to enclose the transmission member 10, the slider 20, and the locking pin 30. A pivot hole 410 is provided in the middle of the side of the housing 40, and the pivot 110 passes through the pivot hole 410 to connect the transmission member 10 to the housing 40. A first through hole 401 and a second through hole 402 are respectively provided on the side of the housing 40. The first through hole 401 is opposite to the end of the slider 20 so that a pushing force can be applied to the slider 20 through the first through hole 401, while the second through hole 402 is opposite to the end of the locking pin 30 so that the end of the locking pin 30 can extend out of the housing 40.
[0041] Furthermore, in other preferred embodiments of the present invention, the housing 40 includes an outer shell 420 and a cover plate 430, and the first through hole 401 and the second through hole 402 are both disposed on the side of the outer shell 420 opposite to the cover plate 430;
[0042] The outer casing 420 is provided with a positioning post 440 on the side facing the cover plate 430, and the cover plate 430 is provided with a positioning hole 450 for the positioning post 440 to pass through.
[0043] Specifically, the outer casing 420 is a groove-shaped structure with its opening facing the cover plate 430. The transmission component 10, the slider 20, and the locking pin 30 are disposed within the groove, while the cover plate 430 is connected to the groove of the outer casing 420 by fasteners such as screws. The first through hole 401 and the second through hole 402 are disposed on the side of the outer casing 420 facing away from the cover plate 430. To facilitate the connection between the outer casing 420 and the cover plate 430, a positioning pin 440 is provided protruding from the side of the outer casing 420 facing the cover plate 430, and a positioning hole 450 is provided on the cover plate 430 for the positioning pin 440 to pass through.
[0044] In addition, in other preferred embodiments of the present invention, a spring 50 is also included. The spring 50 is disposed inside the outer casing 420, with one end abutting against the cover plate 430 and the other end abutting against the end of the slider 20 away from the first through hole 401.
[0045] Specifically, the spring 50 is also disposed within the housing 420, positioned between the slider 20 and the cover plate 430, with one end abutting against the cover plate 430 and the other end abutting against the end of the slider 20 away from the first through hole 401. With this design, when a force greater than the elastic force of the spring 50 is applied to the slider 20, the spring 50 is compressed, causing the slider 20 to slide closer to the cover plate 430; when the force applied to the slider 20 is removed, the slider 20, under the elastic force of the spring 50, slides away from the cover plate 430 to return to its initial position.
[0046] Furthermore, in other preferred embodiments of the present invention, the locking pin 30 includes a locking body 320 and a pin 330 connected together, the second rack 310 is disposed on the side of the pin 330 facing the rotating member 10, and when the locking pin 30 slides along the second direction, the end of the locking body 320 away from the pin 330 can extend out of the second through hole 402.
[0047] Specifically, the lock body 320 and the column 330 are connected together to form the lock column 30. The end of the lock body 320 can extend out of the second through hole 402 for connection with another lock body of the display screen lock. The column 330 is used for meshing with the rotating member 10. Specifically, a second rack 310 that can mesh with the second gear 102 is provided on the side of the column 330 facing the rotating member 10.
[0048] Furthermore, in other preferred embodiments of this invention, the end of the lock body 320 away from the post 330 is provided with a mushroom head (not shown in the figure); or,
[0049] The end of the lock body 320 away from the column 330 is provided with a locking pin 340 that is perpendicularly connected to the lock body 320.
[0050] Specifically, in one feasible embodiment of this utility model, the end of the lock body 320 away from the column 330 is provided with a mushroom head, the size of which is larger than the outer diameter of the lock body 320 at its lower end, and the matching display screen lock can be a gourd lock hole structure with the large and small lock holes connected together; in another feasible embodiment of this utility model, the end of the lock body 320 away from the column 330 is connected to the locking pin 340, the locking pin 340 and the lock body 320 form a cross shape at their ends, and the matching display screen lock can be a hook structure that can hook the locking pin 340 together.
[0051] In addition, in other preferred embodiments of this utility model, the slider 20 and the locking pin 30 are provided with ball bearings 60 on their respective sides that are far apart from each other.
[0052] The inner wall of the housing 40 is provided with a groove (not shown in the figure) that can accommodate the ball 60.
[0053] Here, since both the slider 20 and the locking pin 30 need to slide back and forth within the housing 40, in order to prevent misalignment during the sliding process and to facilitate precise alignment with the first through hole 401 and the second through hole 402, the ball bearings 60 are provided on the sides of the slider 20 and the locking pin 30 that are far apart from each other. At the same time, the sliding groove is provided on the inner wall of the housing 40, and the ball bearings 60 extend into the sliding groove to provide a sliding track for the reciprocating sliding of the slider 20 and the locking pin 30.
[0054] Additionally, please combine Figure 4This is a three-dimensional structural diagram of a display screen frame provided by an embodiment of the present utility model. The display screen frame includes a first support rod 1 and any of the display screen locks 2 described in the above embodiments. The display screen lock 2 is disposed inside the first support rod 1. When the slider 20 slides along a first direction close to the center of the frame, it can drive the locking post 30 to slide along a second direction away from the center of the frame through the transmission member 10, so that the head end of the locking post 30 extends out of the first support rod 1.
[0055] Specifically, the housing 40 of the display lock 2 is fixedly connected to the first support rod 1 by screws or other connecting parts. When the slider 20 slides along the first direction close to the center of the frame, the transmission member 10 can drive the locking pin 30 to slide along the second direction away from the center of the frame, so that the head end of the locking pin 30 extends out of the first support rod 1. At this time, the locking pin 30 can be connected to the display lock on another display frame to complete the connection of the two display frames.
[0056] Furthermore, please combine Figure 5 In other preferred embodiments of the present invention, the display screen frame further includes a second support rod 3 opposite to the first support rod 1, and the second support rod 3 is provided with a push block 31 that can push the slider 20 to slide along the first direction;
[0057] The second support rod 3 is also provided with a connecting lock 32 that forms a lock with the head end of the locking pin 30 when the head end of the locking pin 30 extends out of the first support rod 1.
[0058] Specifically, the first support rod 1 and the second support rod 3 are two opposing support rods on the display screen frame. When the two display screen frames are spliced together, the first support rod 1 of one display screen frame is opposite to the second support rod 3 of the other display screen frame and is connected together by the display screen lock. The second support rod 3 has a protruding push block 31, which can extend into the first through hole 401 of the display screen lock 2 to push the slider 20 when the two display screen frames are spliced, thereby causing the head end of the locking post 30 to extend out of the first support rod 1. When the head end of the locking post 30 extends out of the first support rod 1, it can lock with the connecting lock 32 on the second support rod 3 to complete the connection of the two display screen frames.
[0059] Furthermore, to make the connection between the two display screen frames more reliable, two display screen locks 2 are respectively installed near both ends of the first support rod 1. That is, a display screen lock 2 is provided at each end of the first support rod 1, and correspondingly, two connecting locks 32 are also provided at corresponding positions on the second support rod 3. The two connecting locks 32 and the two display screen locks 2 are connected together to ensure the reliability of the connection between the two display screen frames on this side.
[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, and not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims
1. A display screen lock, characterized in that include: A transmission component is provided with a rotating shaft, which allows it to rotate around the rotating shaft. A first gear and a second gear are respectively provided at the ends on both sides of the rotating shaft. A slider is provided on the side of the transmission member away from the second gear, and a first rack that meshes with the first gear is provided on the side of the slider facing the transmission member; A locking pin is provided on the side of the transmission member away from the first gear, and a second rack that meshes with the second gear is provided on the side of the locking pin facing the transmission member; When the slider slides along the first direction, the transmission component can drive the locking pin to slide along a second direction opposite to the first direction.
2. The display screen lock of claim 1, wherein, It also includes a housing, in which the transmission component, the slider, and the locking pin are all disposed. The side of the housing is provided with a shaft hole for the rotating shaft to pass through. The housing is provided with a first through hole opposite to the end of the slider and a second through hole opposite to the end of the locking pin.
3. The display screen lock of claim 2, wherein, The housing includes an outer shell and a cover plate, and the first through hole and the second through hole are both provided on the side of the outer shell opposite to the cover plate; The outer casing has a positioning post on the side facing the cover plate, and the cover plate has a positioning hole for the positioning post to pass through.
4. The display screen lock of claim 3, wherein, It also includes a spring, which is disposed inside the housing, with one end abutting against the cover plate and the other end abutting against the end of the slider away from the first through hole.
5. The display screen lock of claim 2, wherein, The locking pin includes a lock body and a pin connected together. The second rack is located on the side of the pin facing the rotating member. When the locking pin slides along the second direction, the end of the lock body away from the pin can extend out of the second through hole.
6. The display screen lock of claim 5, wherein, The lock body has a mushroom-shaped end away from the column; or... The end of the lock body away from the column is provided with a locking pin that is perpendicularly connected to the lock body.
7. The display screen lock of claim 2, wherein, The slider and the locking pin are respectively provided with beaded surfaces on their opposite sides; The inner wall of the housing is provided with a groove that can accommodate the beads.
8. A display screen frame, characterized by include: First pole; According to any one of claims 1-7, the display screen lock is disposed within the first frame rod. When the slider slides along a first direction close to the center of the frame, the transmission member can drive the locking pin to slide along a second direction away from the center of the frame, so that the head end of the locking pin extends out of the first frame rod.
9. The display screen frame of claim 8, wherein, Also includes: A second support rod opposite to the first support rod, the second support rod being provided with a protruding push block capable of pushing the slider to slide along the first direction; The second support pole is also provided with a locking mechanism that connects the head of the locking pin to the head of the locking pin when the head of the locking pin extends out of the first support pole.
10. The display screen frame of claim 8, wherein, The two display screen locks are respectively located near the two ends of the first support pole.