A top and bottom lock locking device

Abstract

The utility model discloses a kind of up and down lock locking device, it is related to LED display screen technical field, including top fixed shell and bottom fixed shell, the top fixed shell and bottom fixed shell are respectively fixed in the top and bottom of LED display screen back, the outer wall of top fixed shell is provided with hand handle, the end of hand handle is provided with fixed hole, the inner wall of fixed hole is rotatably connected with locking column, one end of locking column is provided with locking head, the outer wall of locking column is provided with thread groove, locking column is connected with locking rotating plate by thread groove, the outer wall of bottom fixed shell is provided with bottom fixed plate, the outer wall of bottom fixed plate is provided with locking hole, locking head is compatible with locking hole.The utility model locking column rotates and moves, locking head enters into locking hole, so that the display screen of two pieces of up and down can be locked, connection effect is good, avoid the display screen loose situation occurs.

Description

Technical Field

[0001] This utility model relates to the field of LED display technology, and in particular to an upper and lower locking device. Background Technology

[0002] LED displays are a rising star in outdoor advertising media, widely used in finance, taxation, industry and commerce, post and telecommunications, sports, advertising, factories and mines, transportation, education, stations, docks, airports, shopping malls, hospitals, hotels, banks, securities markets, construction markets, auction houses, industrial enterprise management, and other public places. They serve purposes such as media display, information dissemination, traffic guidance, and creative display.

[0003] When using LED displays, multiple displays are often spliced ​​together to achieve the desired size. During splicing, the upper and lower displays need to be locked together, which requires a locking device. In the current technology, the locking device uses a locking block to press into the locking groove to complete the connection between the upper and lower displays. This connection method results in the connection between the upper and lower displays not being tight enough and is prone to loosening, so there is room for improvement. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a top and bottom locking device. Its advantages lie in the fact that the locking pin rotates and moves, allowing the locking head to enter the locking hole, thereby locking the upper and lower display screens together effectively, ensuring a good connection and preventing the display screens from becoming loose.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A locking device includes a top fixing shell and a bottom fixing shell, which are respectively fixed to the top and bottom of the back of an LED display screen. The outer wall of the top fixing shell is provided with a handle, and the end of the handle is provided with a fixing hole. A locking pin is rotatably connected to the inner wall of the fixing hole. A locking head is provided at one end of the locking pin. The outer wall of the locking pin is provided with a threaded groove, and a locking rotating plate is connected to the locking pin through the threaded groove. The outer wall of the bottom fixing shell is provided with a bottom fixing plate, and the outer wall of the bottom fixing plate is provided with a locking hole. The locking head is adapted to the locking hole.

[0006] The above technical solution involves aligning the upper and lower displays together, then rotating the locking plate 180 degrees. The rotation of the locking plate drives the locking pin to rotate via the threaded groove. As the locking pin rotates and moves, the locking head enters the locking hole, thus locking the upper and lower displays together. This ensures a good connection and prevents the displays from becoming loose.

[0007] The present invention is further configured such that a plug is provided on the outer wall of the top fixing shell near the bottom fixing shell, and an insertion hole is provided on the outer wall of the bottom fixing shell near the top fixing shell, and the plug is adapted to the insertion hole.

[0008] The above technical solution allows the plug to be inserted into the socket when the two displays are connected, thus providing auxiliary fixation for the displays and improving the ease of installation.

[0009] The present invention is further configured such that the end of the plug near the socket has a frustum-shaped structure.

[0010] The above technical solution, with its frustum-shaped design at one end, makes the end of the plug narrower, improving the ease with which the plug can be inserted into the socket.

[0011] The present invention is further configured such that a locking spring is sleeved on the outer wall of the locking column.

[0012] The above technical solution, with its locking spring, allows the locking pin to quickly lock or reset under the spring force, improving operational convenience.

[0013] The present invention is further provided with a locking cap at one end of the locking pin near the handle, the diameter of the locking cap being larger than the diameter of the locking pin.

[0014] The above technical solution, namely the setting of the locking cap, can conveniently limit the locking pin and prevent the locking pin from moving too much.

[0015] The present invention is further provided with a hand-held plate on the top of the bottom fixing plate, and the hand-held plate is provided with anti-slip ribs on the top.

[0016] The above technical solution allows for easy gripping of the handheld plate, improving operational convenience.

[0017] The present invention is further provided that a locking mark is provided on one side of the locking rotating plate and an unlocking mark is provided on the other side of the locking rotating plate.

[0018] The above technical solutions, including the setting of locking and unlocking indicators, make it easier for operators to follow the indicators and avoid misoperation.

[0019] The beneficial effects of this utility model are as follows: When using this locking device, the two displays are joined together, and then the locking plate is turned 180 degrees. The rotation of the locking plate drives the locking pin to rotate through the threaded groove. The locking pin rotates and moves, and the locking head enters the locking hole, thus locking the two displays together. The connection is good and prevents the displays from becoming loose.

[0020] This locking device allows the plug to enter the socket when the two displays are connected, thus providing auxiliary fixation for the displays and improving the ease of installation. The design of one end being a frustum shape makes the end of the plug narrower, further improving the ease with which the plug can enter the socket. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of an upper and lower locking device proposed in this utility model; Figure 2 This is a bottom view of the structure of a locking device for upper and lower locking proposed in this utility model; Figure 3 This is a schematic diagram of the internal structure of a locking device for upper and lower locking proposed in this utility model.

[0022] In the diagram: 1. Plug; 2. Bottom fixing shell; 3. Bottom fixing plate; 4. Hand plate; 5. Top fixing shell; 6. Locking rotating plate; 7. Hand handle; 8. Locking cap; 9. Locking hole; 10. Locking pin; 11. Threaded groove; 12. Locking spring; 13. Locking head. Detailed Implementation

[0023] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0024] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0025] Reference Figure 1-3A locking device for upper and lower parts includes a top fixed shell 5 and a bottom fixed shell 2, which are respectively fixed to the top and bottom of the back of an LED display screen. The outer wall of the top fixed shell 5 is provided with a handle 7, and the end of the handle 7 is provided with a fixing hole. The inner wall of the fixing hole is rotatably connected to a locking pin 10. One end of the locking pin 10 is provided with a locking head 13. The outer wall of the locking pin 10 is provided with a threaded groove 11, and the locking pin 10 is connected to a locking rotating plate 6 through the threaded groove 11. The outer wall of the bottom fixed shell 2 is provided with a bottom fixed plate 3, and the outer wall of the bottom fixed plate 3 is provided with a locking hole 9. The locking head 13 is adapted to the locking hole 9.

[0026] In this embodiment, a plug 1 is provided on the outer wall of the top fixing shell 5 near the bottom fixing shell 2, and an insertion hole is provided on the outer wall of the bottom fixing shell 2 near the top fixing shell 5. The plug 1 is adapted to the insertion hole. When the upper and lower displays are connected, the plug 1 can enter into the insertion hole, thereby assisting in fixing the display and improving the convenience of display installation. The end of the plug 1 near the insertion hole has a frustum-shaped structure. The frustum-shaped structure of the plug 1 at one end makes the end of the plug 1 narrower, which improves the convenience of the plug 1 entering the insertion hole.

[0027] Furthermore, a locking spring 12 is sleeved on the outer wall of the locking pin 10. The locking spring 12 allows the locking pin 10 to be quickly locked or reset under the action of the spring force, improving the convenience of operation. A locking cap 8 is provided at the end of the locking pin 10 near the handle 7. The diameter of the locking cap 8 is larger than the diameter of the locking pin 10. The locking cap 8 can be used to limit the locking pin 10 and prevent the locking pin 10 from moving too much.

[0028] The bottom fixing plate 3 is provided with a hand grip plate 4 at the top. The top of the hand grip plate 4 is provided with anti-slip ribs. The hand grip plate 4 can be easily gripped by hand, which improves the convenience of operation.

[0029] It is worth mentioning that a locking mark is provided on one side of the locking plate 6, and an unlocking mark is provided on the other side of the locking plate 6. The locking mark and unlocking mark can help operators to operate according to the mark and avoid misoperation.

[0030] Working principle: When in use, connect the upper and lower displays together, and then turn the locking plate 6 to rotate it 180 degrees. The rotation of the locking plate 6 drives the locking pin 10 to rotate through the threaded groove 11. The locking pin 10 rotates and moves, and the locking head 13 enters into the locking hole 9, thereby locking the upper and lower displays together. The connection effect is good and the loosening of the displays is avoided.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A locking device for upper and lower locking, characterized in that, The device includes a top fixed shell (5) and a bottom fixed shell (2), which are fixed to the top and bottom of the back of the LED display screen, respectively. The top fixed shell (5) has a handle (7) on its outer wall and a fixing hole at the end of the handle (7). A locking pin (10) is rotatably connected to the inner wall of the fixing hole. A locking head (13) is provided at one end of the locking pin (10). A threaded groove (11) is provided on the outer wall of the locking pin (10). A locking rotating plate (6) is connected to the locking pin (10) through the threaded groove (11). A bottom fixed plate (3) is provided on the outer wall of the bottom fixed shell (2). A locking hole (9) is provided on the outer wall of the bottom fixed plate (3). The locking head (13) is adapted to the locking hole (9).

2. The upper and lower locking device according to claim 1, characterized in that, The top fixing shell (5) is provided with a plug (1) near the outer wall of the bottom fixing shell (2), and the bottom fixing shell (2) is provided with a socket near the outer wall of the top fixing shell (5). The plug (1) is adapted to the socket.

3. The upper and lower locking device according to claim 2, characterized in that, The plug (1) has a frustum-shaped structure at the end near the socket.

4. The upper and lower locking device according to claim 1, characterized in that, A locking spring (12) is sleeved on the outer wall of the locking pin (10).

5. The upper and lower locking device according to claim 4, characterized in that, The locking pin (10) is provided with a locking cap (8) at one end near the handle (7), and the diameter of the locking cap (8) is larger than the diameter of the locking pin (10).

6. The upper and lower locking device according to claim 1, characterized in that, The bottom fixing plate (3) is provided with a hand-held plate (4) on its top, and the hand-held plate (4) is provided with anti-slip ribs on its top.

7. A locking device for upper and lower locking according to any one of claims 1-6, characterized in that, A locking mark is provided on one side of the locking plate (6), and an unlocking mark is provided on the other side of the locking plate (6).

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