Thin LED display screen compact type self-locking butt joint lock and LED display screen

Abstract

The utility model belongs to the technical field of LED display, and relates to a compact type self-locking butt joint lock of a thin LED display screen and the LED display screen, and the butt joint lock comprises a shell, a first gear, a second gear, a lock rod body and a self-locking assembly; the lock rod body is fixedly arranged in the second gear, an annular groove is formed in the lower end of the lock rod body, and the first gear and the second gear are in meshing transmission to drive the lock rod body to rotate and longitudinally move. The self-locking assembly comprises a self-locking adjusting block provided with a self-locking head. The self-locking device has the beneficial effects that before the screen body is mounted, the first gear is rotated to enable the lock rod body to move downwards until the self-locking head is inserted into the annular groove to realize self-locking of the lock rod body, so that the lock rod body is effectively prevented from extending out of the shell to hinder mounting and be damaged due to collision; the first gear is rotated to achieve locking or unlocking of the lock rod body and the adjacent LED display screen unit, the butt locking structure is compact, and the technical problem that a locking device is large in size and difficult to adapt to an LED display screen which is thinner and thinner is solved.

Description

Technical Field

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

[0002] As LED display technology matures, LED screens are gradually moving towards thinner and lighter. This development trend is designed to meet the higher requirements of modern visual display, while responding to the market's demand for space saving and improved aesthetics. The thinner and lighter screens not only reduce the weight of the equipment, but also reduce energy consumption and improve the convenience of installation and maintenance. Therefore, the LED display industry is committed to developing more compact, efficient and easy-to-install screen structures to adapt to changing market demands and technological advances.

[0003] The existing quick lock structure is relatively complex, and generally uses elastic parts such as springs or shrapnel to achieve the locking function. It occupies a large space, resulting in a large overall thickness of the LED display, which affects its portability and applicability. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a slim LED display screen compact self-locking docking lock and LED display screen, which solves the technical problem that the existing locking devices are large in size and difficult to adapt to the increasingly thin LED display screens.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] In the first aspect, an embodiment of the utility model provides a slim LED display screen compact self-locking docking lock, which is installed on the side wall of the LED display screen unit, and includes a shell, a first gear installed in the shell, a second gear, a locking rod body and a self-locking component; the second gear is provided with a mounting through hole along the direction of its rotation axis, the middle part of the locking rod body is fixedly installed in the mounting through hole, and an annular groove is provided at its lower end, the first gear is meshed with the second gear for transmission, driving the upper end of the locking rod body to rotate and extend out of the shell or retract into the shell to achieve splicing locking or unlocking with adjacent LED display screen units; the self-locking component includes a self-locking adjustment block and a first elastic member, one end of the self-locking adjustment block is in conflict with the first elastic member, and the other opposite end is provided with a self-locking head for inserting into the annular groove to lock the locking rod body.

[0009] Optionally, the self-locking adjustment block also includes an operating handle, which is perpendicular to the axial direction of the self-locking adjustment block and extends from the rear wall of the shell. The rear wall of the shell is provided with a movable opening for the operating handle to move, and the operating handle moves along the axial direction of the self-locking adjustment block.

[0010] Optionally, the self-locking adjustment block is in a "T" shape as a whole.

[0011] Optionally, the locking rod body includes a spring mounting portion, an annular groove, a boss and a threaded portion from bottom to top, the spring mounting portion is sleeved with a second elastic member, the boss is fixedly mounted in the mounting through hole, and the threaded portion extends from the mounting through hole.

[0012] Optionally, the first gear and the second gear are helical gears, the rotation axis of the first gear is horizontally arranged in the front-to-back direction and an operating hole is arranged along its axial direction, and the rotation axis of the second gear is longitudinally arranged.

[0013] Optionally, the housing includes a lock body main housing and a lock housing cover plate covering each other;

[0014] The lock body main shell is provided with a first accommodating chamber, a second accommodating chamber and a third accommodating chamber which are interconnected, the first gear is placed in the first accommodating chamber, the second gear is placed in the second accommodating chamber, and the self-locking assembly is installed in the third accommodating chamber; the lock shell cover is provided with an operation window at a position opposite to the operation hole, the movable opening is provided on the lock shell cover, and the top surface of the lock body main shell is provided with an opening for the movement of the locking rod body.

[0015] Optionally, a top-contacting 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 second elastic member contacts the top-contacting step, and the upper end thereof contacts the bottom surface of the boss.

[0016] In a second aspect, an embodiment of the utility model provides an LED display screen, comprising a plurality of LED display screen units, wherein the aforementioned docking locks are installed on the side walls of the LED display screen units.

[0017] (III) Beneficial effects

[0018] The beneficial effects of the utility model are:

[0019] 1. The utility model discloses a slim LED display screen compact self-locking docking lock and LED display screen. Since the docking lock adopts a first gear, a second gear, a locking rod body and a self-locking assembly, the locking rod body is fixed in the second gear, and an annular groove is arranged at the lower end thereof. The first gear meshes with the second gear for transmission, driving the locking rod body to rotate and move longitudinally; the self-locking assembly includes a self-locking adjustment block provided with a self-locking head; compared with the prior art, before the screen body is installed, the second gear is driven to rotate by rotating the first gear, so that the locking rod body moves downward until the annular groove moves to the relative position of the self-locking head, and the self-locking head is inserted into the annular groove under the action of the first elastic member, so as to realize the self-locking of the locking rod body, effectively preventing the locking rod body from extending out of the shell body to hinder the installation, and preventing the locking rod body from being damaged by collision; after releasing the self-locking of the locking rod body, the threaded part of the locking rod body is driven to move upward and extend out of the shell body by rotating the first gear, so as to realize the locking with the adjacent LED display screen unit, and the docking lock has a more compact structure and a more reliable operation, which solves the technical problem that the existing locking device is large in size and difficult to adapt to the increasingly thin LED display screens.

[0020] 2. After assembling two adjacent LED display units together, when locking operation is required, first move the operating handle of the self-locking component to release the lock of the locking rod body by the self-locking head, and then rotate the first gear to drive the locking rod body to move upward and complete the locking operation with the lock hole of the adjacent LED display unit. The operation is simple, convenient and safe.

[0021] 3. The docking lock adopts a first gear, a second gear, a locking rod body and a self-locking component, wherein the first gear is horizontally arranged along the front and rear direction of the screen body, the second gear and the locking rod body are arranged along the up and down direction, and the self-locking component is horizontally arranged along the left and right direction. The first gear and the second gear adopt helical gears. The docking lock has a simple and compact structure and saves space. It is suitable for thinner LED display units, making the LED display overall thinner and lighter and adaptable to more installation environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of a slim LED display screen compact self-locking docking lock and a self-locking docking lock of Example 1 of an LED display screen of the utility model;

[0023] Figure 2 This is one of the exploded schematic diagrams of the self-locking docking lock of Embodiment 1 of a slim LED display screen compact self-locking docking lock and LED display screen of the utility model;

[0024] Figure 3 This is the second exploded schematic diagram of the self-locking docking lock of the embodiment 1 of a slim LED display screen compact self-locking docking lock and LED display screen of the utility model;

[0025] Figure 4 for Figure 1 A schematic longitudinal section diagram of the self-locking docking lock at AA;

[0026] Figure 5 for Figure 1 A schematic cross-sectional view of a self-locking docking lock in FIG.

[0027] Figure 6 It is a longitudinal section diagram of the main housing of the self-locking docking lock;

[0028] Figure 7 It is a schematic longitudinal section diagram of the lock body main shell of the self-locking docking lock.

[0029] [Description of Reference Numerals]

[0030] 1. Lock body main shell; 11. First accommodating cavity; 12. Second accommodating cavity; 13. Third accommodating cavity; 14. Opening;

[0031] 2. Lock housing cover; 21. Operation window; 22. Movable opening; 23. Top touch step;

[0032] 3. First gear; 31. Operation hole;

[0033] 4. second gear; 41. mounting through hole;

[0034] 5. Lock rod body; 50. Spring mounting portion; 51. Annular groove; 52. Boss; 53. Threaded portion;

[0035] 6. A second elastic member;

[0036] 71. Self-locking adjustment block; 711. Self-locking head; 712. Operating handle; 713. Spring mounting head; 72. First elastic member;

[0037] 8. Bolts;

[0038] 9. Locking block; 91. Matching boss; 92. Locking hole. DETAILED DESCRIPTION

[0039] 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 With reference to the orientation, the direction where the first and second elastic members 6 are located is “down”, the direction where the lock rod body 5 is located is “up”, the side where the lock body main shell 1 is located is “front”, and the side where the lock shell cover plate 2 is located is “back”.

[0040] The utility model provides a slim LED display screen compact self-locking docking lock and LED display screen, wherein the docking lock is installed on the side wall of the LED display screen unit, and comprises a shell, a first gear installed in the shell, a second gear, a locking rod body and a self-locking assembly; the second gear is provided with a mounting through hole along the direction of its rotation axis, the locking rod body is fixedly installed in the mounting through hole, and an annular groove is provided at its lower end, the first gear meshes with the second gear for transmission, and drives the locking rod body to rotate and extend out of the shell or retract into the shell, so as to realize splicing locking or unlocking with adjacent LED display screen units; the self-locking assembly comprises a self-locking adjustment block and a first elastic member, one end of the self-locking adjustment block is in conflict with the first elastic member, and the other end opposite thereto is provided with a A self-locking head is used to be inserted into the annular groove to lock the locking rod body; compared with the prior art, before the screen body is installed, the second gear is driven to rotate by rotating the first gear to make the locking rod body move downward until the annular groove moves to the relative position of the self-locking head, and the self-locking head is inserted into the annular groove under the action of the first elastic member to achieve self-locking of the locking rod body, effectively preventing the locking rod body from extending out of the shell to hinder installation, and preventing the locking rod body from being damaged by bumps; after releasing the self-locking of the locking rod body, the locking of the locking rod body and the adjacent LED display unit is achieved by rotating the first gear, and the structure of the docking lock is more compact and the operation is more reliable, which solves the technical problem that the existing locking device is large in size and difficult to adapt to the increasingly thin LED display screens.

[0041] 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.

[0042] Embodiment 1:

[0043] Reference Figure 1 and Figure 2 The present embodiment 1 provides a slim LED display screen compact self-locking docking lock, which is installed on the side wall of the LED display screen unit. The docking lock includes a housing, a first gear 3 installed in the housing, a second gear 4, a locking rod body 5 and a self-locking component.

[0044] See also Figure 3 , Figure 4 and Figure 6The housing includes a lock body main shell 1 and a lock shell cover plate 2 which cover each other, and the two are connected and fixed together by bolts 8. The lock body main shell 1 is provided with a first accommodating chamber 11, a second accommodating chamber 12 and a third accommodating chamber 13 which are interlinked with 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 self-locking component is installed in the third accommodating chamber 13. The lock shell cover plate 2 is provided with an operation window 21 at a position relative to the operation hole 31 described later, and is also provided with a movable opening 22 for the movement of the operation handle 712 described later. The top surface of the lock body main shell 1 is provided with an opening 14 for the movement of the lock rod body 5. Anti-collision bosses are provided on both sides of the opening 14 to protect the lock rod body 5. Among them, the top surface is the surface spliced ​​with the adjacent LED display unit, the side where the lock body main shell 1 is located corresponds to the display surface of the LED display unit, and the side where the lock shell cover plate 2 is located corresponds to the back of the screen body.

[0045] See also Figure 2 and Figure 4 The second gear 4 is provided with a mounting through hole 41 along its rotation axis direction, the locking rod body 5 is fixedly installed in the mounting through hole 41, and a ring groove 51 is provided at its lower end. The first gear 3 is meshed with the second gear 4 to drive the threaded portion 53 of the locking rod body 5 to rotate out of the housing or retract into the housing to achieve splicing locking or unlocking with the adjacent LED display unit.

[0046] See also Figures 3 to 5 The self-locking assembly is used to lock the locking rod body 5 before installing the screen body, so as to prevent the locking rod body 5 from extending from the anti-collision boss of the shell and being damaged by collision during the installation process. The self-locking assembly includes a self-locking adjustment block 71 and a first elastic member 72. A spring mounting head 713 is provided at one end of the self-locking adjustment block 71. The spring mounting head 713 conflicts with the first elastic member 72, and a self-locking head 711 is provided at the other opposite end for inserting into the annular groove 51 to lock the locking rod body 5. The first elastic member 72 provides a thrust to cause the self-locking head 711 to be stuck in the annular groove 51. When the locking rod body 5 moves downward to the lowest position, that is, when the annular groove 51 moves to the position of the self-locking head 711, the self-locking head 711 is stuck in the annular groove 51 under the action of the first elastic member 72 to lock the locking rod body 5.

[0047] See also Figure 2 and Figure 5 As a feasible solution, the self-locking adjustment block 71 further includes an operating handle 712, which is perpendicular to the axial direction of the self-locking adjustment block 71 and extends from the rear wall of the shell. The rear wall of the shell is provided with a movable opening 22 for the operating handle 712 to move, and the operating handle 712 can move along the axial direction of the self-locking adjustment block 71. In actual application, the self-locking adjustment block 71 is generally in a "T" shape.

[0048] See also Figure 7 After two adjacent LED display units are put together, when a locking operation is required, first move the operating handle 712 to release the locking of the locking rod body 5 by the self-locking head 711, then screw the first gear 3, the second gear 4 rotates and moves upward under the action of the first gear 3, driving the locking rod body 5 to rotate and move upward, and the threaded portion 53 is screwed into the locking hole 92 of the locking block 9 of the other LED display unit, completing the locking of the two LED display units. Conversely, when it is necessary to unlock and disassemble the LED display unit, the first gear 3 is rotated in the opposite direction, the second gear 4 rotates and moves downward under the action of the first gear 3, driving the locking rod body 5 to rotate and move downward, and the threaded portion 53 exits the locking hole 92 of the other LED display unit, completing the unlocking of the two LED display units.

[0049] See also Figure 7 A docking lock is installed on one side wall of the LED display unit, and a locking block 9 is installed on the opposite side wall. The locking block 9 is provided with a matching boss 91 on the side spliced ​​with the docking lock, and a locking hole 92 is provided in the matching boss 91, and the locking hole 92 is provided with an internal thread that matches the threaded portion 53.

[0050] See also Figure 2 and Figure 5 As a feasible solution, the lock rod body 5 is fixedly installed in the second gear 4. The lock rod body 5 includes a spring mounting portion 50, an annular groove 51, a boss 52 and a threaded portion 53 from bottom to top. The spring mounting portion 50 is sleeved with a second elastic member 6. The bottom of the lock housing cover plate 2 is provided with a top contact step 23 at a position relative to the second accommodating cavity 12. The lower end of the second elastic member 6 contacts the top contact step 23, and the upper end of the second elastic member 6 contacts the bottom surface of the boss 52, providing elastic force for the lock rod body 5 to move upward. The boss 52 is fixed in the mounting through hole 41. The threaded portion 53 extends from the mounting through hole 41 and is used to be threadedly connected with the lock hole 92 on the side wall of another LED display unit.

[0051] In practical applications, the first elastic member 72 and the second elastic member 6 are usually springs or other components with good elasticity.

[0052] See also Figure 3 and Figure 4 As a feasible solution, the first gear 3 and the second gear 4 are helical gears, the rotation axis of the first gear 3 is horizontally arranged in the front-to-back direction, and an operating hole 31 is arranged along its axial direction, and the rotation axis of the second gear 4 is arranged longitudinally. The self-locking component is horizontally arranged in the left-right direction, and the horizontal here refers to the radial plane of the second gear 4.

[0053] Embodiment 2:

[0054] Reference Figures 1 to 6On the basis of Example 1, this Example 2 provides an LED display screen, including multiple LED display screen units, and the aforementioned docking locks are installed on the side walls of the LED display screen units. The self-locking component of the docking lock has a self-locking function, which is used to lock the locking rod body 5 before the screen body is installed to prevent the anti-collision boss extending out of the shell from hindering the installation of the screen body, and protect the locking rod body 5 from being damaged by bumps; after the locking rod body 5 is unlocked, the first gear 3 is rotated to drive the threaded portion 53 of the locking rod body 5 to move upward and extend out of the shell, and is threadedly matched with the locking hole 92 on the side wall of the adjacent LED display screen unit to be locked.

[0055] 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.

[0056] 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.

[0057] 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.

[0058] 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.

[0059] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary 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 self-locking docking lock, installed on the side wall of the LED display screen unit, characterized in that: The invention comprises a housing, a first gear (3) installed in the housing, a second gear (4), a locking rod body (5) and a self-locking component; the second gear (4) is provided with a mounting through hole (41) along the rotation axis direction thereof, the middle part of the locking rod body (5) is fixedly installed in the mounting through hole (41), and an annular groove (51) is provided at the lower end thereof; the first gear (3) and the second gear (4) are meshed and driven to drive the upper end of the locking rod body (5) to rotate and extend out of the housing or retract into the housing, so as to realize splicing locking or unlocking with adjacent LED display screen units; The self-locking assembly comprises a self-locking adjustment block (71) and a first elastic member (72), one end of the self-locking adjustment block (71) abuts against the first elastic member (72), and the other opposite end is provided with a self-locking head (711) for inserting into the annular groove (51) to lock the locking rod body (5).

2. A slim LED display screen compact self-locking docking lock as claimed in claim 1, characterized in that: The self-locking adjustment block (71) further comprises an operating handle (712), the operating handle (712) being perpendicular to the axial direction of the self-locking adjustment block (71) and extending from the rear side wall of the shell, and the rear side wall of the shell being provided with a movable opening (22) for the operating handle (712) to move along the axial direction of the self-locking adjustment block (71).

3. A slim LED display screen compact self-locking docking lock as claimed in claim 2, characterized in that: The self-locking adjustment block (71) is in a T-shape as a whole.

4. A slim LED display screen compact self-locking docking lock as claimed in claim 2, characterized in that: The locking rod body (5) comprises, from bottom to top, a spring mounting portion (50), the annular groove (51), a boss (52) and a threaded portion (53); the spring mounting portion (50) is sleeved with a second elastic member (6); the boss (52) is fixedly mounted in the mounting through hole (41); and the threaded portion (53) extends out from the mounting through hole (41).

5. A slim LED display screen compact self-locking docking lock as claimed in claim 4, characterized in that: The first gear (3) and the second gear (4) are helical gears; the rotation axis of the first gear (3) is horizontally arranged in the front-to-back direction and is provided with an operating hole (31) along its axial direction; the rotation axis of the second gear (4) is longitudinally arranged.

6. A slim LED display screen compact self-locking docking lock as claimed in claim 5, characterized in that: The housing comprises a lock body main housing (1) and a lock housing cover plate (2) which cover each other; The lock body main shell (1) is provided with a first accommodating chamber (11), a second accommodating chamber (12) and a third accommodating chamber (13) which are interconnected, the first gear (3) is arranged in the first accommodating chamber (11), the second gear (4) is arranged in the second accommodating chamber (12), and the self-locking component is installed in the third accommodating chamber (13); The lock housing cover plate (2) is provided with an operating window (21) at a position opposite to the operating hole (31), the movable opening (22) is arranged on the lock housing cover plate (2), and the top surface of the lock body main shell (1) is provided with an opening (14) for the lock rod body (5) to move.

7. A slim LED display screen compact self-locking docking lock as claimed in claim 6, characterized in that: The bottom of the lock housing cover plate (2) is provided with a contact step (23) at a position opposite to the second accommodating cavity (12); the lower end of the second elastic member (6) contacts the contact step (23), and the upper end of the second elastic member (6) contacts the bottom surface of the boss (52).

8. 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 7 is installed on the side wall of the LED display screen unit.

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