Compact butt lock for thin LED display screen and LED display screen

Abstract

The utility model belongs to the technical field of LED display, and relates to a compact butt lock of a thin LED display screen and the LED display screen, the butt lock is installed on the side wall of an LED display screen unit and comprises a lock shell, a first gear, a second gear and a lock rod body, and the first gear, the second gear and the lock rod body are installed in the lock shell; a lock rod mounting through hole is formed in the second gear, a threaded part matched with the lock hole is arranged at the upper end of the lock rod body, the lock rod body is fixedly mounted in the second gear, and the threaded part extends out of the lock rod mounting through hole; the first gear and the second gear are in meshing transmission to drive the lock rod body to extend out of or return to the lock shell from the top surface of the lock shell so as to be locked and matched with or unlocked from a lock hole in the side wall of another LED display screen unit; the butt-joint lock has the advantages that the butt-joint lock structure is simple and compact, the overall thickness of the LED display screen is greatly reduced, and the technical problem that an existing LED display screen is not thin enough is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display, in particular to a slim LED display screen compact docking lock and an LED display screen. Background Art

[0002] LED (Light Emitting Diode) display is a high-brightness, low-energy display device widely used in various fields. They are usually used in outdoor advertising, large-scale event stages, electronic information displays, etc. Since the thickness of LED display is an important factor restricting its applicability and portability, major manufacturers have been committed to producing thinner LED display screens.

[0003] LED display units usually include LED modules, cabinets, control boxes, locking structures for splicing, etc. The existing locking structures are usually quick locks, and their overall structure occupies a large space and is relatively heavy. As LED displays become thinner and thinner, the existing locking structures are difficult to adapt to and match.

[0004] Therefore, it is necessary to develop a locking structure with a more compact structure and smaller thickness. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a slim LED display screen compact docking lock and an LED display screen, which solves the technical problem of the existing LED display screen being relatively thick.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0009] In the first aspect, an embodiment of the utility model provides a slim LED display screen compact docking lock, which is installed on the side wall of the LED display screen unit and is used to be spliced ​​and matched with the lock hole of an adjacent LED display screen unit. It includes a lock shell, a first gear installed in the lock shell, a second gear and a locking rod body; the second gear is provided with a locking rod mounting through hole, and the upper end of the locking rod body is provided with a threaded portion matching the lock hole, the locking rod body is fixedly installed in the second gear, and the threaded portion extends from the locking rod mounting through hole; the first gear and the second gear are meshed for transmission, driving the threaded portion of the locking rod body to rotate and extend from the top surface of the lock shell or retract into the lock shell to lock or unlock with the lock hole on the side wall of another LED display screen unit.

[0010] Optionally, the locking rod body includes a spring mounting portion, a boss and a threaded portion from bottom to top, and an elastic member for pushing the locking rod body to move upward is provided on the outer wall of the spring mounting portion.

[0011] Optionally, the bosses are symmetrically arranged on both sides of the locking rod body, the locking rod mounting through hole and the bosses have the same cross-sectional shape, and the two are adapted to each other.

[0012] Optionally, the first gear and the second gear are helical gears, the rotating axis of the first gear is arranged horizontally and an operating hole is arranged along its axial direction, the rotating axis of the second gear is arranged longitudinally, and the locking rod mounting through hole is arranged along the axial direction of the second gear.

[0013] Optionally, the lock shell includes a main shell body and a lock shell cover plate which cover each other; a first accommodating chamber and a second accommodating chamber which are connected to each other are provided in the main shell body, the first gear is placed in the first accommodating chamber, and the second gear is placed in the second accommodating chamber; an operating window is provided on the lock shell cover plate at a position opposite to the operating hole.

[0014] Optionally, a top-contact step is provided at the bottom of the lock housing cover plate at a position opposite to the second accommodating cavity, the lower end of the elastic member contacts the top-contact step, and the upper end thereof contacts the bottom surface of the boss.

[0015] Optionally, a mounting groove is provided on one side of the main housing, and the lock housing cover is placed in the mounting groove and connected to the main housing by bolts.

[0016] Optionally, the locking rod body is further provided with a smooth rod portion between the boss and the threaded portion.

[0017] In a second aspect, an embodiment of the utility model provides an LED display screen, comprising a plurality of display screen units, wherein the aforementioned docking locks are installed on the side walls of the LED display screen units.

[0018] (III) Beneficial effects

[0019] The beneficial effects of the utility model are as follows: the utility model provides a slim LED display screen compact docking lock and LED display screen. Since the docking lock adopts a first gear, a second gear and a locking rod body that cooperate with each other, by rotating the first gear, the second gear and the locking rod body are driven to rotate and move longitudinally, so that the threaded portion of the locking rod body extends to the locking hole of another LED display screen unit or exits the locking hole, thereby realizing the locking or unlocking of two adjacent LED display screen units. Compared with the prior art, its structure is simple and compact, which greatly reduces the overall thickness of the LED display screen and solves the technical problem that the existing LED display screen is not thin enough. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a three-dimensional schematic diagram of a docking lock of a slim LED display screen compact docking lock and an LED display screen according to Embodiment 1 of the present invention;

[0021] Figure 2 This is one of the exploded schematic diagrams of the docking lock of Embodiment 1 of a slim LED display screen compact docking lock and LED display screen of the utility model;

[0022] Figure 3 This is the second exploded schematic diagram of the docking lock of the embodiment 1 of a slim LED display screen compact docking lock and an LED display screen of the utility model;

[0023] Figure 4 for Figure 1 A cross-sectional diagram of the docking lock at AA;

[0024] Figure 5 A cross-sectional diagram of the main shell.

[0025] [Description of Reference Numerals]

[0026] 1. Main housing; 11. First accommodating chamber; 12. Second accommodating chamber; 13. Opening;

[0027] 2. Lock housing cover; 21. Operation window; 22. Top touch step;

[0028] 3. First gear; 31. Operation hole;

[0029] 4. Second gear; 41. Lock rod mounting through hole;

[0030] 5. Lock rod body; 51. Spring mounting portion; 52. Boss; 53. Rod portion; 54. Threaded portion;

[0031] 6. Elastic parts;

[0032] 7. Bolts. DETAILED DESCRIPTION

[0033] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below in conjunction with the accompanying drawings through specific implementation methods. Figure 2 The orientation is taken as a reference, with the direction where the threaded portion 54 is located being "up" and the direction where the elastic member 6 is located being "down".

[0034] The utility model provides a slim LED display screen compact docking lock and LED display screen, wherein the docking lock is installed on the side wall of the LED display screen unit and is used for splicing and cooperating with the lock hole of the adjacent LED display screen unit, and comprises a lock shell, a first gear installed in the lock shell, a second gear and a lock rod body; the second gear is provided with a lock rod installation through hole, the upper end of the lock rod body is provided with a threaded portion cooperating with the lock hole, the lock rod body is fixedly arranged in the second gear, and the threaded portion extends from the lock rod installation through hole; by rotating the first gear, the second gear and the lock rod body are driven to rotate and move longitudinally, so that the threaded portion of the lock rod body extends to the lock hole of another LED display screen unit or withdraws from the lock hole, thereby realizing the locking or unlocking of two adjacent LED display screen units. Compared with the prior art, the structure is simple and compact, the overall thickness of the LED display screen is greatly reduced, and the technical problem that the existing LED display screen is not thin enough is solved.

[0035] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0036] Embodiment 1:

[0037] Reference Figures 1 to 3 , this embodiment 1 provides a slim LED display screen compact docking lock, which is installed on the side wall of the LED display screen unit, including a lock shell, a first gear 3 installed in the lock shell, a second gear 4 and a lock rod body 5.

[0038] See also Figure 2 The first gear 3 and the second gear 4 are helical gears. The rotating axis of the first gear 3 is arranged horizontally, and an operating hole 31 is arranged along its axial direction. The operating hole 31 is generally a regular polygon, such as a regular hexagon, which is convenient for cooperating with tools such as a wrench to screw the first gear 3.

[0039] Continue reading Figure 2 The rotation axis of the second gear 4 is arranged longitudinally, and the second gear 4 is provided with a lock rod mounting through hole 41 , and the lock rod mounting through hole 41 is arranged along the axial direction of the second gear 4 .

[0040] See also Figures 2 to 4 The locking rod body 5 includes a spring mounting portion 51, a boss 52, a rod portion 53 and a threaded portion 54 from bottom to top.

[0041] Among them, an elastic member 6 for pushing the lock rod body 5 to move upward is provided on the outer wall of the spring mounting portion 51. The elastic member 6 is generally a spring or other component that can provide elastic force. The bottom of the lock housing cover plate 2 is provided with a top contact step 22 at a position relative to the second accommodating cavity 12, and the lower end of the elastic member 6 contacts the top contact step 22, and the upper end thereof contacts the bottom surface of the boss 52. The boss 52 is symmetrically arranged on both sides of the lock rod body 5, and the lock rod mounting through hole 41 and the boss 52 are fixedly connected so that the lock rod body 5 is fixedly installed in the second gear 4. The surface of the rod portion 53 is smooth and has no threads, and its length is set according to actual conditions.

[0042] The threaded portion 54 is used to cooperate with the internal thread of the lock hole of another LED display screen unit to complete the locking of two adjacent LED display screen units.

[0043] See also Figure 4 The locking rod body 5 is fixedly installed in the second gear 4, and the threaded portion 54 extends out from the locking rod mounting through hole 41; the first gear 3 is meshed with the second gear 4 for transmission, driving the threaded portion 54 of the locking rod body 5 to rotate and move upward and extend from the opening 13 on the top surface of the lock shell, or driving the threaded portion 54 of the locking rod body 5 to rotate and move downward and return to the lock shell to lock or unlock with the lock hole on the side wall of another LED display unit.

[0044] See also Figure 2 , Figure 4 and Figure 5 In some feasible solutions, the lock case includes a main housing 1 and a lock case cover 2 that cover each other; the main housing 1 is provided with a first accommodating chamber 11 and a second accommodating chamber 12 that are connected to each other, the first gear 3 is placed in the first accommodating chamber 11, and the second gear 4 is placed in the second accommodating chamber 12. The height of the second accommodating chamber 12 is greater than the height of the second gear 4, providing space for the longitudinal movement of the second gear 4. The lock case cover 2 is provided with an operation window 21 at a position opposite to the operation hole 31.

[0045] See also Figure 2 Furthermore, a mounting groove is provided on one side of the main housing 1 , the lock housing cover plate 2 is placed in the mounting groove, and is connected to the main housing 1 by bolts 7 .

[0046] During the splicing operation, a tool such as a wrench is extended from the operation window 21 to the operation hole 31 to screw the first gear 3, thereby driving the second gear 4 and the locking rod body 5 fixed as a whole to rotate and move longitudinally, thereby realizing the unlocking and locking functions.

[0047] Embodiment 2:

[0048] Continue to refer to Figures 1 to 5On the basis of Example 1, this Example 2 provides an LED display screen, which includes multiple LED display screen units, and the aforementioned docking lock is installed on one side wall of the LED display screen unit, and the other opposite side wall is provided with an adaptive lock hole; or the aforementioned docking lock is installed on two adjacent side walls, and the other two side walls are provided with adaptive lock holes, so that two adjacent LED display screen units can be spliced ​​and locked together when spliced.

[0049] In the description of the present utility model, it should be understood that 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 technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0050] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0052] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0053] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A slim LED display screen compact docking lock, which is mounted on the side wall of an LED display screen unit and is used to cooperate with the lock hole of an adjacent LED display screen unit, characterized in that: It comprises a lock housing, a first gear (3) installed in the lock housing, a second gear (4) and a lock rod body (5); The second gear (4) is provided with a locking rod mounting through hole (41), the upper end of the locking rod body (5) is provided with a threaded portion (54) matched with the locking hole, the locking rod body (5) is fixedly mounted in the second gear (4), and the threaded portion (54) protrudes from the locking rod mounting through hole (41); The first gear (3) and the second gear (4) are meshed and driven to drive the threaded portion (54) of the lock rod body (5) to rotate and extend from the top surface of the lock shell or retract into the lock shell to lock or unlock with the lock hole on the side wall of another LED display unit.

2. A slim LED display screen compact docking lock as claimed in claim 1, characterized in that: The locking rod body (5) comprises, from bottom to top, a spring mounting portion (51), a boss (52) and the threaded portion (54); an elastic member (6) for pushing the locking rod body (5) to move upward is provided on the outer wall of the spring mounting portion (51).

3. A slim LED display screen compact docking lock as claimed in claim 2, characterized in that: The bosses (52) are symmetrically arranged on both sides of the locking rod body (5); the locking rod mounting through hole (41) and the bosses (52) have the same cross-sectional shape, and the two are adapted to each other.

4. A slim LED display screen compact docking lock as claimed in claim 2, characterized in that: The first gear (3) and the second gear (4) are helical gears; the rotation axis of the first gear (3) is arranged transversely and an operating hole (31) is arranged along its axial direction; the rotation axis of the second gear (4) is arranged longitudinally and the locking rod mounting through hole (41) is arranged along the axial direction of the second gear (4).

5. A slim LED display screen compact docking lock as claimed in claim 4, characterized in that: The lock housing comprises a main housing (1) and a lock housing cover plate (2) which cover each other; The main housing (1) is provided with a first accommodating chamber (11) and a second accommodating chamber (12) which are connected to each other, the first gear (3) is placed in the first accommodating chamber (11), and the second gear (4) is placed in the second accommodating chamber (12); The lock housing cover plate (2) is provided with an operating window (21) at a position opposite to the operating hole (31).

6. A slim LED display screen compact docking lock as claimed in claim 5, characterized in that: The bottom of the lock housing cover plate (2) is provided with a contact step (22) at a position opposite to the second accommodating cavity (12); the lower end of the elastic member (6) contacts the contact step (22), and the upper end of the elastic member (6) contacts the bottom surface of the boss (52).

7. A slim LED display screen compact docking lock as claimed in claim 5, characterized in that: One side of the main housing (1) is provided with a mounting groove, the lock housing cover plate (2) is placed in the mounting groove, and is connected to the main housing (1) via bolts (7).

8. A slim LED display screen compact docking lock as claimed in claim 2, characterized in that: The locking rod body (5) is also provided with a smooth rod portion (53) at a position between the boss (52) and the threaded portion (54).

9. An LED display screen, characterized in that: It comprises a plurality of LED display screen units, and a docking lock as claimed in any one of claims 1 to 8 is installed on the side wall of the LED display screen unit.

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