Locking device and display screen

Abstract

The utility model provides a locking device and a display screen. The locking device comprises a locking plate assembly and a locking rod assembly. The lock plate assembly comprises a first lock seat and a lock plate; the first lock seat is provided with a first locking surface and a first mounting surface; a first through hole is formed in the first lock seat; the locking plate can move along the radial direction of the first through hole; the lock rod assembly comprises a second lock seat and a lock rod, the second lock seat is provided with a second locking surface and a second mounting surface, and the first mounting surface and the second mounting surface form an included angle of 90 degrees; a second through hole is formed in the second lock seat; the side face of the first end of the lock rod is provided with a lock groove. The display screen comprises a first display box body, a second display box body and a locking device connected with the first display box body and the second display box body. According to the invention, 90-degree splicing of the two display screens can be realized; by arranging the lock rod and the lock plate, the device can be locked only by moving the lock plate to enable the lock plate to be clamped with the lock groove of the lock rod, the operation is simple and convenient, the mounting and the dismounting are very fast, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The present application belongs to the technical field of display screen splicing, and more specifically, relates to a locking device and a display screen. Background Art

[0002] At present, with the rapid development of the LED industry, the rental of LED display screens is also extremely popular. Due to the application in different places, the display screen needs to be constantly disassembled and assembled. At the same time, the development trend of the industry is fast, safe and easy to operate.

[0003] At present, the stage shape is ever-changing. When two display screens are spliced ​​at 90 degrees, there is no quick locking device. They are fixed by 90-degree connecting pieces and screws. The operation is not only complicated and time-consuming, but also has a large joint and is not easy to adjust. The existing locking device can only meet the needs of straight screens or slight arc fixation. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a locking device and a display screen to solve the technical problem of complex operation when two display screens are spliced ​​together at 90 degrees in the prior art.

[0005] To achieve the above-mentioned objectives, the technical solution adopted in the present application is: to provide a locking device, including a locking plate assembly and a locking rod assembly; the locking plate assembly includes a first lock seat and a locking plate, the first lock seat has a first locking surface and a first mounting surface obliquely arranged with the first locking surface; a first through hole is provided on the first lock seat; the locking plate can move radially along the first through hole; the locking rod assembly includes a second lock seat and a locking rod, the second lock seat has a second locking surface and a second mounting surface obliquely arranged with the second locking surface, the first mounting surface and the second mounting surface form an angle of 90 degrees; a second through hole is provided on the second lock seat; the side surface of the first end of the locking rod has a locking groove; in the locked state, the first locking surface and the second locking surface are in contact with each other; the first end of the locking rod passes through the second through hole and extends to the first through hole, so that the locking plate is clamped in the locking groove.

[0006] Optionally, the locking piece includes a locking portion and a prying piece portion which are integrally bent; a locking hole is provided on the locking portion; in a locked state, the locking rod passes through the locking hole, and a side wall of the locking hole is snapped into the locking groove.

[0007] Optionally, the locking plate assembly further includes a cover plate, the first lock seat is provided with a mounting groove, the cover plate covers the mounting groove and is combined with the first lock seat to form a slide groove; the locking portion is slidably connected in the slide groove.

[0008] Optionally, the locking piece assembly further includes a first elastic member, and along the sliding direction of the locking portion, one end of the first elastic member abuts against the locking portion, and the other end of the first elastic member abuts against the side wall of the mounting groove.

[0009] Optionally, a bead positioning hole is provided on the first locking surface; a bead is provided on the second locking surface, and the bead is cooperatively connected with the bead positioning hole.

[0010] Optionally, a guide groove is provided on the lock rod along the length direction of the lock rod; a guide column is provided on the second lock seat, and the guide column extends into the second through hole and extends into the guide groove.

[0011] Optionally, the locking rod assembly further comprises a handle having a threaded through hole, the handle being threadedly connected to the second end of the locking rod, and a limiting plate being arranged in the handle.

[0012] Optionally, the locking rod assembly further includes a second elastic member, which is sleeved on the locking rod, one end of the second elastic member abuts against the second lock seat, and the other end of the second elastic member abuts against the handle.

[0013] The present application also provides a display screen, comprising the above-mentioned locking device, wherein the display screen also comprises a first display box and a second display box, wherein the first display box is connected to the first mounting surface of the first lock seat; the first display box and the second display box are arranged at 90 degrees, and the second display box is connected to the second mounting surface of the second lock seat.

[0014] Optionally, a first positioning column is provided on the first mounting surface, a first positioning hole is provided on the first display box, and the first positioning column is matched and connected with the first positioning hole; a second positioning column is provided on the second mounting surface, a second positioning hole is provided on the second display box, and the second positioning column is matched and connected with the second positioning hole.

[0015] The beneficial effects of the locking device and display screen provided by the present application are as follows: compared with the prior art, in the present application, the first mounting surface of the first lock seat and the second mounting surface of the second lock seat are arranged at an angle of 90 degrees, and the first lock seat and the second lock seat are respectively installed on two display screens, so that the two display screens can be spliced ​​at 90 degrees; by setting a locking rod and a locking plate, the device can be locked by simply moving the locking plate so that the locking plate and the locking groove of the locking rod are engaged, the operation is simple and convenient, and the installation and disassembly are very quick, which greatly improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a locking device provided in an embodiment of the present application in an unlocked state;

[0018] Figure 2 A schematic cross-sectional structure diagram of a locking device provided in an embodiment of the present application in an unlocked state;

[0019] Figure 3 A schematic diagram of the three-dimensional structure of a locking device in a locked state provided in an embodiment of the present application;

[0020] Figure 4 A schematic diagram of the cross-sectional structure of a locking device provided in an embodiment of the present application in a locked state;

[0021] Figure 5 A schematic diagram of an exploded structure of a locking plate assembly in a locking device provided in an embodiment of the present application;

[0022] Figure 6 A schematic diagram of an exploded structure of a locking rod assembly in a locking device provided in an embodiment of the present application;

[0023] Figure 7 A schematic diagram of the structure of a first lock seat in a locking device provided in an embodiment of the present application;

[0024] Figure 8 A schematic diagram of the structure of a second lock seat in a locking device provided in an embodiment of the present application;

[0025] Fig. 9 A schematic diagram of a three-dimensional structure of a display screen provided in an embodiment of the present application;

[0026] Fig.10 for Fig. 9 Middle A is a partial enlarged schematic diagram;

[0027] Fig.11 A schematic diagram of the assembly structure of a first display box and a locking piece assembly in a display screen provided in an embodiment of the present application;

[0028] Fig.12 for Fig.11 Middle B is a partial enlarged schematic diagram;

[0029] Fig.13A schematic diagram of the assembly structure of a second display box and a locking rod assembly in a display screen provided in an embodiment of the present application;

[0030] Fig.14 for Fig.13 Partially enlarged schematic diagram in center C.

[0031] Among them, the reference numerals in the figure are:

[0032] 100-locking piece assembly; 110-first lock seat; 111-first locking surface; 1111-ball positioning hole; 112-first mounting surface; 1121-first positioning column; 113 first through hole; 114-mounting groove; 120-locking piece; 121-locking part; 1211-locking hole; 122-pick part; 123-rubber sleeve; 130-cover plate; 140-first elastic member; 150-fastener;

[0033] 200-locking rod assembly; 210-second lock seat; 211-second locking surface; 2111-moving bead; 212-second mounting surface; 2121-second positioning column; 213 second through hole; 220-locking rod; 221-locking groove; 222-guide groove; 230-guide column; 240-handle; 250-limiting piece; 260-second elastic member;

[0034] 300-first display box;

[0035] 400 - second display cabinet. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0037] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0038] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] Please also read Figure 1 , Figure 2 and Figure 6 The locking device provided by the embodiment of the present application is now described. The locking device comprises a locking plate assembly 100 and a locking rod assembly 200; the locking plate assembly 100 comprises a first locking seat 110 and a locking plate 120, the first locking seat 110 has a first locking surface 111 and a first mounting surface 112 arranged obliquely to the first locking surface 111; the first locking seat 110 is provided with a first through hole 113; the locking plate 120 can move radially along the first through hole 113; the locking rod assembly 200 comprises a second locking seat 210 and a locking rod 220, the second locking seat 210 has a second ... The first mounting surface 112 and the second mounting surface 212 are inclined with respect to the second locking surface 211, and the first mounting surface 112 and the second mounting surface 212 form an angle of 90 degrees; the second lock seat 210 is provided with a second through hole 213; the side surface of the first end of the locking rod 220 has a locking groove 221; when in the locked state, the first locking surface 111 and the second locking surface 211 are in contact; the first end of the locking rod 220 passes through the second through hole 213 and extends into the first through hole 113, so that the locking sheet 120 is clamped in the locking groove 221.

[0041] Compared with the prior art, the locking device provided in the embodiment of the present application is arranged in such a way that the first mounting surface 112 of the first lock seat 110 and the second mounting surface 212 of the second lock seat 210 are arranged at an angle of 90 degrees. The first lock seat 110 and the second lock seat 210 are respectively installed on two display screens, so that the two display screens can be spliced ​​at 90 degrees. By setting the locking rod 220 and the locking plate 120, the locking device can be locked by moving the locking plate 120 so that the locking plate 120 is engaged with the locking groove 221 of the locking rod 220. The operation is simple and convenient, and the installation and disassembly are very quick, which greatly improves the work efficiency.

[0042] In this embodiment, the first mounting surface 112 and the first locking surface 111 preferably form an angle of 45 degrees, and correspondingly, the second mounting surface 212 and the second locking surface 211 also form an angle of 45 degrees. In this way, when the locking device is installed on two display screens, it can ensure that the locking piece 120 and the locking rod 220 have sufficient space for movement.

[0043] In one embodiment of the present application, see Figure 5The locking piece 120 includes a locking portion 121 and a paddle portion 122 which are integrally bent and formed; a locking hole 1211 is provided on the locking portion 121; Figure 3 and Figure 4 As shown, in the locked state, the locking rod 220 passes through the locking hole 1211 , and the side wall of the locking hole 1211 is engaged in the locking groove 221 .

[0044] In this embodiment, by providing the paddle portion 122, it is convenient for the user to push the lock plate 120 to move by hand. It is understood that the lock plate 120 is generally formed by bending a metal sheet, such as an iron sheet, a stainless steel sheet, etc. For details, please refer to Figure 5 A rubber sleeve 123 is also provided on the paddle portion 122 . The rubber sleeve 123 can prevent slipping and improve the comfort of pushing the locking piece 120 .

[0045] In one embodiment of the present application, see Figure 5 The locking piece assembly 100 further includes a cover plate 130. The first lock seat 110 is provided with a mounting groove 114. The cover plate 130 covers the mounting groove 114 and is enclosed with the first lock seat 110 to form a slide groove. The locking portion 121 is slidably connected in the slide groove.

[0046] In this embodiment, please refer to Figure 5 , the cover plate 130 is connected to the first lock seat 110 by a fastener 150. Specifically, the fastener 150 can be a screw, and a protruding mounting column can be provided in the mounting groove 114, which is used to connect the cover plate 130 and the first lock seat 110 by screws; the height of the mounting column protruding from the bottom of the mounting groove 114 is greater than the thickness of the locking piece 120, so that there is a certain gap between the locking piece 120 and the slide groove, so that the locking portion 121 of the locking piece 120 can slide in the slide groove.

[0047] In one embodiment of the present application, see Figure 5 The locking piece assembly 100 further includes a first elastic member 140 . Along the sliding direction of the locking portion 121 , one end of the first elastic member 140 abuts against the locking portion 121 , and the other end of the first elastic member 140 abuts against the side wall of the mounting groove 114 .

[0048] In this embodiment, by providing the first elastic member 140, the automatic reset of the locking plate 120 can be facilitated. It can be understood that when the first elastic member 140 is in a natural state, the locking hole 1211 is partially aligned with the first through hole 113. When the locking rod 220 is gradually pushed into the locking hole 1211, the locking portion 121 of the locking plate 120 is driven to slide, so that the first elastic member 140 is compressed. When the side wall of the locking hole 1211 is aligned with the locking groove 221 of the locking rod 220, the locking plate 120 pushes the locking portion 121 of the locking plate 120 to move in the opposite direction under the action of the first elastic member 140, so that the side wall of the locking hole 1211 is clamped in the locking groove 221 to achieve locking; when the locked state needs to be released, the locking plate 120 is pushed to separate the side wall of the locking hole 1211 from the locking groove 221 to release the locking. Specifically, the first elastic member 140 can be a spring.

[0049] In one embodiment of the present application, please refer to Figure 5 and Figure 6 A bead positioning hole 1111 is provided on the first locking surface 111 ; a bead 2111 is provided on the second locking surface 211 , and the bead 2111 is matched and connected with the bead positioning hole 1111 .

[0050] In this embodiment, by providing the bead 2111 and the bead positioning hole 1111 , misalignment of the first lock seat 110 and the second lock seat 210 can be avoided, thereby improving the assembly accuracy and efficiency of the first lock seat 110 and the second lock seat 210 .

[0051] In one embodiment of the present application, see Figure 6 A guide groove 222 is provided on the lock rod 220 along the length direction of the lock rod 220 ; a guide column 230 is provided on the second lock seat 210 , and the guide column 230 extends into the second through hole 213 and extends into the guide groove 222 .

[0052] In this embodiment, by providing the guide column 230 and the guide groove 222, the sliding of the lock rod 220 in the second through hole 213 can be guided. Specifically, the guide column 230 can be a screw rod, which can facilitate the assembly of the lock rod 220; when installing the lock rod 220, the lock rod 220 is first inserted into the second through hole 213, and then the screw rod is screwed in so that the screw rod is aligned with the guide groove 222.

[0053] In one embodiment of the present application, see Figure 6 The locking rod assembly 200 further includes a handle 240 , which has a threaded through hole. The handle 240 is threadedly connected to the second end of the locking rod 220 , and a limiting piece 250 is disposed in the handle 240 .

[0054] In this embodiment, by providing a handle 240 threadedly connected to the lock rod 220, when the lock rod 220 is locked with the lock plate 120, the handle 240 is rotated to make the handle 240 abut against the second lock seat 210, and the handle 240 is further tightened to make the second lock seat 210 abut against the first lock seat 110, thereby reducing the gap between the second lock seat 210 and the first lock seat 110, and at the same time, the lock rod 220 and the lock plate 120 can be tightened to improve the stability of the locking device. When the locked state needs to be released, it is only necessary to loosen the handle 240 in a certain direction, and then move the lock plate 120 to separate the lock plate 120 from the lock rod 220 to achieve unlocking, which is simple and convenient to operate. By providing a limit plate 250, the rotation stroke between the handle 240 and the lock rod 220 can be limited.

[0055] In one embodiment of the present application, see Figure 6 The lock rod assembly 200 further includes a second elastic member 260 , which is sleeved on the lock rod 220 , one end of the second elastic member 260 abuts against the second lock seat 210 , and the other end of the second elastic member 260 abuts against the handle 240 .

[0056] In this embodiment, by providing the second elastic member 260, in the locked state, the second elastic member 260 is compressed, so that the lock rod 220 extends into the lock hole 1211 of the lock plate 120, and gradually compresses the first elastic member 140, when the side wall of the lock hole 1211 is aligned with the lock groove 221 of the lock rod 220, the lock plate 120 pushes the locking portion 121 of the lock plate 120 to move in the opposite direction under the action of the first elastic member 140, so that the side wall of the lock hole 1211 is engaged in the lock groove 221, and the locking is achieved; when the locked state needs to be released, the lock plate 120 is pushed to separate the side wall of the lock hole 1211 from the lock groove 221, and the lock rod 220 is reset under the action of the second elastic member 260, and the locking is released. Specifically, the second elastic member 260 can be a spring.

[0057] This application also provides a display screen, please refer to Fig. 9 and Fig.10 The display screen includes the above-mentioned locking device, and the display screen also includes a first display box 300 and a second display box 400. The first display box 300 is connected to the first mounting surface 112 of the first lock seat 110; the first display box 300 and the second display box 400 are arranged at 90 degrees, and the second display box 400 is connected to the second mounting surface 212 of the second lock seat 210.

[0058] Compared with the prior art, the display screen provided in the embodiment of the present application can realize rapid splicing and high locking accuracy by adopting the above-mentioned locking device, and the splicing seam between the first display box 300 and the second display box 400 is small.

[0059] In one embodiment of the present application, please refer to Figure 7 and Figure 8 A first positioning column 1121 is provided on the first mounting surface 112, a first positioning hole (not shown) is provided on the first display box 300, and the first positioning column 1121 is matched and connected with the first positioning hole; a second positioning column 2121 is provided on the second mounting surface 212, a second positioning hole (not shown) is provided on the second display box 400, and the second positioning column 2121 is matched and connected with the second positioning hole.

[0060] In this embodiment, Fig.11 and Fig.12 As shown, by providing the first positioning column 1121 and the first positioning hole, the locking piece assembly 100 can be quickly positioned and installed; Fig.13 and Fig.14 As shown, by providing the second positioning column 2121 and the second positioning hole, the lock rod assembly 200 can be quickly positioned and installed, and the assembly accuracy of the first lock seat 110 and the second lock seat 210 is further guaranteed.

[0061] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A locking device, characterized in that: include: A locking plate assembly, the locking plate assembly comprising a first locking seat and a locking plate, the first locking seat having a first locking surface and a first mounting surface arranged obliquely to the first locking surface; The first lock seat is provided with a first through hole; the locking piece can move along the radial direction of the first through hole; and A lock rod assembly, the lock rod assembly comprising a second lock seat and a lock rod, the second lock seat having a second locking surface and a second mounting surface inclined to the second locking surface, the first mounting surface and the second mounting surface forming an angle of 90 degrees; a second through hole is provided on the second lock seat; a lock groove is provided on the side surface of the first end of the lock rod; In the locked state, the first locking surface and the second locking surface are in contact with each other; the first end of the locking rod passes through the second through hole and extends into the first through hole, so that the locking piece is clamped in the locking groove.

2. The locking device according to claim 1, characterized in that: The locking piece comprises a locking portion and a prying piece portion which are integrally bent and formed; a locking hole is provided on the locking portion; in a locked state, the locking rod passes through the locking hole, and the side wall of the locking hole is clamped in the locking groove.

3. The locking device according to claim 2, characterized in that: The locking piece assembly also includes a cover plate, the first lock seat is provided with a mounting groove, the cover plate covers the mounting groove and is enclosed with the first lock seat to form a slide groove; the locking portion is slidably connected in the slide groove.

4. The locking device according to claim 3, characterized in that: The locking piece assembly further comprises a first elastic member, and along the sliding direction of the locking portion, one end of the first elastic member abuts against the locking portion, and the other end of the first elastic member abuts against the side wall of the mounting groove.

5. The locking device according to claim 1, characterized in that: A bead positioning hole is provided on the first locking surface; a bead is provided on the second locking surface, and the bead is matched and connected with the bead positioning hole.

6. The locking device according to claim 1, characterized in that: A guide groove is provided on the lock rod along the length direction of the lock rod; a guide column is provided on the second lock seat, and the guide column extends into the second through hole and extends into the guide groove.

7. The locking device according to claim 1, characterized in that: The locking rod assembly also includes a handle having a threaded through hole, the handle being threadedly connected to the second end of the locking rod, and a limiting piece being arranged in the handle.

8. The locking device according to claim 7, characterized in that: The locking rod assembly further comprises a second elastic member, which is sleeved on the locking rod, one end of the second elastic member abuts against the second lock seat, and the other end of the second elastic member abuts against the handle.

9. A display screen, comprising the locking device according to any one of claims 1 to 8, characterized in that: The display screen also includes: A first display box connected to a first mounting surface of the first lock seat; and The second display box is arranged at 90 degrees with the first display box and the second display box is connected to the second mounting surface of the second lock seat.

10. The display screen according to claim 9, characterized in that: A first positioning column is provided on the first mounting surface, a first positioning hole is provided on the first display box, and the first positioning column is matched and connected with the first positioning hole; A second positioning column is disposed on the second mounting surface, a second positioning hole is disposed on the second display box, and the second positioning column is matched and connected with the second positioning hole.

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