CN114743467A

CN114743467A - Display screen

Info

Publication number: CN114743467A
Application number: CN202210413383.XA
Authority: CN
Inventors: 扶江水; 娄小波; 肖道粲
Original assignee: Shenzhen Absen Optoelectronic Co Ltd
Current assignee: Shenzhen Absen Optoelectronic Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-12

Abstract

The invention provides a display screen which comprises a box body and a connecting block, wherein the connecting block is arranged on the side face of the box body. The position of the block main body of the connecting block in the box body installation space can be adjusted through the switching part on the connecting block, so that each butt joint face on the block main body can be converted to an assembly face facing the box body, and an assembly angle with different sizes is formed by the plane where the assembly face is located, so that the splicing angle between the two display screens can be adjusted. This connecting block is when adjusting the size of assembly angle, and the different butt joint face through its week of conversion realizes, and the axis direction and the assembly surface of the different butt joint faces of conversion of connecting block are parallel state, makes the connecting block of installing on the box can not rotate with the axis of perpendicular to assembly surface, thereby avoids two display screens that are connected to take place to rock on the fore-and-aft direction of display screen, makes the display screen box possess better precision when the concatenation, guarantees user's use and experiences.

Description

Display screen

Technical Field

The invention relates to the technical field of display equipment, in particular to a display screen.

Background

In recent years, the development of the LED display technology is fast, the application of the LED display screen is more and more extensive, the installation environment of the LED display screen is more and more complex, and the current requirements are not limited to a planar LED display screen, and the requirements of the LED display screen such as an arc surface, an elliptical arc surface, a wave surface and the like are more and more increased.

Generally, the LED display screens constructing the arc-shaped surface are generally realized by connecting boxes of a plurality of display screens through connecting pieces. The area of contact of current connecting piece is less, and connection stability is relatively poor between two boxes, and simultaneously, two adjacent boxes take place to rock in the fore-and-aft direction of display screen with connecting piece self pivot easily after connecting through the connecting piece for the display screen box can't obtain better precision when the arc is connected, and user's use experience is felt relatively poor.

Disclosure of Invention

The invention aims to solve the technical problems that in the prior art, the contact area of a connecting piece for arc connection of a display screen is small, the connection stability between two boxes is poor, and two adjacent boxes are easy to shake in the front-back direction of the display screen through the rotating shaft of the connecting piece, so that the boxes of the display screen cannot obtain good precision during arc connection, and the use experience of a user is poor.

In order to solve the technical problem, the invention provides a display screen which comprises a box body and a connecting block, wherein the side surface of the box body is concavely provided with an installation space, and the side surface of the box body, which is provided with the installation space, is an assembly surface; the connecting block is arranged in the mounting space and comprises a block main body and a switching part arranged on the block main body, the circumferential side surface of the block main body comprises a plurality of butt joint surfaces, and the block main body is adjustably arranged in the mounting space through the switching part in a position, so that each butt joint surface can be switched to a plane facing the mounting surface, and forms a mounting angle with the plane where the mounting surface is located, wherein the mounting angle is different in size; the connecting block is also provided with an assembling part for connecting with another display screen; when any butt joint surface of the block main body faces to the plane of the assembly surface, the connecting block is connected with another display screen through the assembly part, the size of an included angle between the opposite side surfaces of the two connected display screens is the same as that of an assembly angle formed by the butt joint surfaces, and the splicing angle between the display surfaces of the two display screens is a complementary angle of the assembly angle; the block body can selectively enable any one of the butting surfaces to be opposite to the other display screen, so that the splicing angle between the two display screens is different.

Optionally, two adapter portions are arranged, and the two adapter portions are respectively convexly arranged on the end faces of the two ends of the block main body; the outer contour of the adapter part is a regular polygon, a plurality of side surfaces of the adapter part are arranged opposite to the butt joint surfaces one by one, and the size of a butt joint angle formed by each side surface of the adapter part and the butt joint surface is different; the position of the block main body in the installation space is adjustable, so that the adapter part can be selectively arranged in a way that any side surface of the adapter part faces the assembling surface and is parallel to the assembling surface; when one side surface of the adapter part faces and is parallel to the assembling surface, the size of an assembling angle formed by the butt joint surface and the assembling surface opposite to the side surface is the same as that of the butt joint angle formed by the butt joint surface and the side surface.

Optionally, two opposite inner side walls of the installation space are respectively provided with a clamping groove, and the two adapter parts are respectively clamped in the two clamping grooves; the shape of the clamping groove is matched with that of the outer contour of the adapter part, so that the adapter part can be switched in position in the clamping groove, and any side surface of the adapter part can be opposite to and parallel to the assembling surface.

Optionally, the block body includes four abutting surfaces connected in sequence, and the four abutting surfaces are a first abutting surface, a second abutting surface, a third abutting surface and a fourth abutting surface respectively; the outer contour of the transfer part is a regular quadrangle, and four side surfaces of the transfer part are respectively a first side surface opposite to the first butt joint surface, a second side surface opposite to the second butt joint surface, a third side surface opposite to the third butt joint surface and a fourth side surface opposite to the fourth butt joint surface; the clamping groove is a rectangular groove.

Optionally, a mating angle formed by the first mating surface and the first side surface is 0 °, and when the adapter is shifted in the slot so that the first side surface is opposite to and parallel to the mounting surface, a mounting angle formed by the first mating surface and the mounting surface is 0 °; the butt joint angle formed by the second butt joint surface and the second side surface is 2.5 degrees, and when the second side surface is opposite to and parallel to the assembling surface due to the fact that the adapter part is in the switching position in the clamping groove, the assembling angle formed by the second butt joint surface and the assembling surface is 2.5 degrees; the butt joint angle formed by the third butt joint surface and the third side surface is 5 degrees, and when the switching part is switched in the clamping groove to enable the third side surface to be opposite to and parallel to the assembling surface, the assembling angle formed by the third butt joint surface and the assembling surface is 5 degrees; the butt joint angle formed by the fourth butt joint surface and the fourth side surface is 7.5 degrees, and when the adaptor part is in a conversion position in the clamping groove, the fourth side surface is opposite to and parallel to the assembling surface, the assembling angle formed by the fourth butt joint surface and the assembling surface is 7.5 degrees.

Optionally, a mounting hole is formed in the side wall of the box body corresponding to the mounting space, and a fixing hole is formed in each abutting surface of the block main body corresponding to the mounting hole; the connecting block further comprises a locking piece, and the locking piece penetrates through the mounting hole and the fixing hole, so that the connecting block is fixed in the mounting space.

Optionally, the adapter portion is a rotating shaft, the block main body is rotatably disposed in the mounting space through the rotating shaft, and an axial direction of the rotating shaft is parallel to a plane where the assembly surface is located.

Optionally, the display screen further comprises a connecting lock arranged on the other side surface of the box body, and the connecting lock comprises a lock main body arranged on the box body and a lock head piece arranged on the lock main body; the assembling part on the butt joint surface of the block main body is of a hole-shaped structure, and the edge of the inner side of the assembling part is provided with a convex edge; the lock head piece can rotate relative to the lock body, so that the lock head piece can be switched between an unlocking position and a locking position; two during the display screen concatenation, one of them the tapered end spare of display screen can stretch into another inside the assembly part of the connecting block of display screen, and turn to locking position and with the protruding joint cooperation along of assembly part, thereby make two the display screen is connected.

Optionally, the convex edges are oppositely arranged on the inner walls of two sides of the assembling part, so that a slot is formed inside the assembling part; the lock head part comprises a lock rod and a lock head part arranged at the end part of the lock rod, the lock rod is connected with the lock body, the shape of the lock head part is matched with the long and narrow hole in the assembling part, and the lock head part is used for being matched with the convex edge in a clamping mode.

Optionally, the connecting lock further comprises a positioning plate and at least one group of positioning pin sets arranged on the positioning plate, and the positioning plate is sleeved on the lock main body; each group of positioning pin groups comprises at least one positioning pin, and the positioning pins are arranged on the outer side surfaces of the positioning plates and penetrate through the side surfaces of the box body; each butt joint surface of the block main body is provided with a positioning hole matched with the positioning pin, and the positioning hole is arranged on the outer side of the assembling part; the lock body can move relative to the box body along the direction perpendicular to the side face of the box body so as to drive the positioning plate to be close to the other connecting block of the display screen, and the positioning pin penetrates through the positioning hole.

According to the technical scheme, the beneficial effects of the invention are as follows: in the display screen, the connecting block is arranged on the side surface of the box body, and the position of the block main body of the connecting block in the installation space of the box body can be adjusted through the switching part on the connecting block, so that each butt joint surface on the block main body can be converted to an assembly surface facing the box body, and assembly angles with different sizes are formed between the butt joint surfaces and the plane where the assembly surface is located, and the splicing angle between the two display screens can be adjusted. This connecting block is when adjusting the size of assembly angle, and the different butt joint face through its week of conversion realizes, and the axis direction and the assembly surface of the different butt joint faces of conversion of connecting block are parallel state, makes the connecting block of installing on the box can not rotate with the axis of perpendicular to assembly surface, thereby avoids two display screens that are connected to take place to rock on the fore-and-aft direction of display screen, makes the display screen box possess better precision when the concatenation, guarantees user's use and experiences.

Drawings

Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the display screen shown in fig. 1 taken along the direction B-B.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an exploded view of the connection block and the cabinet in the display panel shown in fig. 1.

Fig. 5 is a schematic structural view of a connection block in the display screen shown in fig. 1.

Figure 6 is another directional view of the connector block shown in figure 5.

Fig. 7 is an end view of the connector block shown in fig. 5.

Fig. 8 is an exploded view of the connection of the connecting lock and the cabinet in the display screen shown in fig. 1.

Fig. 9 is a schematic structural view of a first example of the joint lock in fig. 8.

Fig. 10 is another directional view of the attachment lock shown in fig. 9.

Fig. 11 is an exploded view of the attachment lock shown in fig. 9.

Fig. 12 is a schematic view showing a structure of a second example of the connection lock shown in fig. 8.

Fig. 13 is a schematic structural diagram of an embodiment of a display panel according to the present invention.

Fig. 14 is a schematic structural diagram of the display screens shown in fig. 13 spliced into a combined screen.

Fig. 15 is a schematic view showing a connection state of the connection block and the connection lock between two adjacent display panels in fig. 14.

The reference numerals are explained below: 100. a display screen; 110. a first display screen; 120. a second display screen; 130. a third display screen; 140. a fourth display screen; 10. a box body; 101. an installation space; 102. a card slot; 103. mounting holes; 104. connecting holes; 105. positioning the glass beads; 106. limiting the glass beads; 107. an assembly hole; 1071. an edge; 11. an assembly surface; 12. a connecting surface; 13. a first splicing surface; 14. a second splicing surface; 20. connecting blocks; 21. a block main body; 211. a first mating surface; 212. a second mating surface; 213. a third mating surface; 214. a fourth mating surface; 215. a fixing hole; 216. positioning holes; 22. a switching part; 221. a first side; 222. a second side surface; 223. a third side; 224. a fourth side; 23. an assembling portion; 231. a convex edge; 24. a locking member; 30. connecting a lock; 301. a first connecting lock; 302. a second connecting lock; 31. a lock body; 311. a main body portion; 3111. a first portion; 3112. a second portion; 3113. a limiting groove; 312. a baffle portion; 32. a locking head piece; 321. a lock lever; 322. a lock head portion; 33. a handle; 332. a groove; 34. a ratchet wheel; 341. a ratchet; 342. a boss portion; 35. a clamping piece; 351. clamping the main body; 352. a button portion; 353. a torsion spring; 36. positioning a plate; 37. a set of dowel pins; 371. positioning pins; 38. a first spring; 39. a second spring.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the indications of directions or positional relationships (such as up, down, left, right, front, rear, and the like) in the embodiments shown in the drawings are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, an embodiment of the present application provides a display screen 100, which includes a case 10 and a connection block 20 disposed on the case 10.

The side surface of the box body 10 provided with the connecting block 20 is an assembling surface 11, and the assembling surface 11 is concavely provided with an installation space 101. The connection block 20 is disposed in the installation space 101, and the connection block 20 includes a block main body 21 and an adapter portion 22 provided on the block main body 21. The circumferential side of the block body 21 comprises a plurality of abutment surfaces, and the block body 21 is arranged in the installation space 101 via the adapter 22 in a position-adjustable manner, so that each abutment surface can be shifted to a plane facing the mounting surface 11 and forms a mounting angle of different size with the plane of the mounting surface 11.

Wherein, the connection block 20 further includes a fitting portion 23 for connecting with another display screen 100. When any butt joint surface of the block main body 21 faces the plane where the assembling surface 11 is located, the connecting block 20 is connected with another display screen 100 through the assembling portion 23, the size of an included angle between opposite side surfaces of the two connected display screens 100 is the same as the size of an assembling angle formed by the butt joint surfaces, and the splicing angle between the display surfaces of the two display screens 100 is a complementary angle of the assembling angle. The block body 21 selectively faces either one of the facing surfaces with the other display screen 100 so that the angle of the splice between the two display screens 100 is different.

In the present embodiment, the casing 10 has a rectangular structure, and the mounting surface 11 thereof is recessed with a mounting space 101. The installation space 101 is provided near the middle of the cabinet 10, and the installation space 101 has a rectangular groove structure with two open sides.

Referring to fig. 5, 6 and 7, the connecting block 20 is disposed in the mounting space 101, and the block body 21 of the connecting block 20 has a quadrangular prism structure, and the peripheral side surface thereof includes four abutting surfaces connected in sequence, which are a first abutting surface 211, a second abutting surface 212, a third abutting surface 213 and a fourth abutting surface 214.

The number of the adapting portions 22 in this embodiment is two, the two adapting portions 22 are respectively protruded on the end surfaces of the two ends of the block main body 21, and the positions of the two adapting portions 22 on the end surface of the block main body 21 are corresponding to each other. The adapter 22 is a regular quadrilateral columnar structure, and four side surfaces of the adapter 22 are arranged opposite to four butt-joint surfaces one by one.

The four side surfaces of the adapter 22 are respectively a first side surface 221 disposed opposite to the first abutting surface 211, a second side surface 222 disposed opposite to the second abutting surface 212, a third side surface 223 disposed opposite to the third side surface 223, and a fourth side surface 224 disposed opposite to the fourth side surface 224.

In the present embodiment, a butt angle formed between the first butt joint surface 211 and the first side surface 221 is a first butt angle, and the first butt angle is 0 °. The second butt-joint angle formed between the second butt-joint surface 212 and the second side surface 222 is a second butt-joint angle, and the second butt-joint angle is 2.5 °. The docking angle formed between the third docking surface 213 and the third side 223 is a third docking angle, and the third docking angle is 5 °. The fourth angle formed between the fourth butt angle and the fourth side 224 is a fourth butt angle, and the fourth butt angle is 7.5 °. It should be noted that the included angle formed by the abutting surface and the side surface of the adapter portion 22 is an acute angle.

In other examples, the block body 21 may be configured to include three abutment surfaces, or five abutment surfaces, or six abutment surfaces, or the like. Correspondingly, the outer contour of the adapter 22 is a regular triangle, a regular pentagon, a regular hexagon, or the like. In addition, the docking angle formed between the docking surface and the side surface of the corresponding adapter 22 may be set to other degrees, such as 1.5 °, 2 °, 3 °, 6 °, according to the actual requirement of splicing the display screen 100, and is not limited herein.

In the installation space 101 of the present embodiment, two opposite inner side walls are respectively provided with a slot 102, and the extending direction of the slot 102 is parallel to the mounting surface 11. In the extending direction of the mounting surface 11, the positions of the two card slots 102 correspond. The slot 102 is a rectangular structure, and is adapted to the outer contour of the connecting portion. The top of the slot 102 corresponding to the installation space 101 is provided with a notch to facilitate the connection block 20 to enter the installation space 101 or to be taken out from the installation space 101.

The two adapter portions 22 are respectively clamped in the two card slots 102, and each adapter portion 22 can be switched in position in the card slot 102 adapted to the shape of the adapter portion, so that any one side surface of the adapter portion 22 can face and be parallel to the assembling surface 11. When one side surface of the adapter 22 faces and is parallel to the mounting surface 11, the abutting surface of the block main body 21 opposite to the side surface faces the mounting surface 11 and forms a mounting angle with the mounting surface 11. The adapter 22 is shifted in position in the card slot 102 so that the position of the block main body 21 in the mounting space 101 is adjustable.

Specifically, when the first side surface 221 of the adapter 22 faces and is parallel to the mounting surface 11, the first abutting surface 211 faces the mounting surface 11, and the mounting angle formed between the first abutting surface 211 and the mounting surface 11 is 0 °. When the second side surface 222 of the adapter 22 faces and is parallel to the mounting surface 11, the second abutting surface 212 faces the mounting surface 11, and the mounting angle formed between the second abutting surface 212 and the mounting surface 11 is 2.5 °. When the third side 223 of the adapter 22 faces and is parallel to the mounting surface 11, the third abutting surface 213 faces the mounting surface 11, and the mounting angle formed between the third abutting surface 213 and the mounting surface 11 is 5 °. When the fourth side surface 224 of the adaptor portion 22 faces and is parallel to the mounting surface 11, the fourth abutting surface 214 faces the mounting surface 11, and the mounting angle formed between the fourth abutting surface 214 and the mounting surface 11 is 7.5 °.

In order to facilitate the operator to quickly know the size of the assembly angle, a word corresponding to the assembly angle may be marked on each abutting surface of the block body 21, for example, a word "0 °" is marked on the first abutting surface 211, a word "2.5 °" is marked on the second abutting surface 212, a word "5 °" is marked on the third abutting surface 213, and a word "7.5 °" is marked on the fourth abutting surface 214.

In the actual use process, an operator can determine a corresponding assembly angle according to the size of the angle to be spliced of the two display screens 100, and the position of the adapter 22 in the slot 102 is converted, so that the butt-joint surface of the block main body 21 corresponding to the assembly angle is selected to be opposite to the assembly surface 11, and the corresponding splicing angle is obtained.

In other examples, the adapter 22 may also be a spindle. The block main body 21 is rotatably provided in the installation space 101 by a rotation shaft. During rotation of the block body 21, a plurality of abutment surfaces on the block body 21 are selectively oriented toward the mounting surface 11.

The axis direction of pivot is parallel with the plane that assembly surface 11 was located in this example for install on box 10 connecting block 20 can not rotate with the axis of perpendicular to assembly surface 11, thereby avoid two display screens 100 that are connected to take place to rock in the fore-and-aft direction of display screen 100, make display screen 100 box 10 possess better precision when the concatenation, guarantee user's use experience.

Further, as shown in fig. 3 and 4, a mounting hole 103 is formed in a side wall of the casing 10 corresponding to the mounting space 101, and a fixing hole 215 is formed in each abutting surface of the block main body 21 at a position corresponding to the mounting hole 103. The joint block 20 further includes locking members 24, and the locking members 24 are inserted through the mounting holes 103 and the fixing holes 215 such that the joint block 20 is fixed in the mounting space 101. The locking member 24 is threadably engaged with the securing aperture 215.

In the present embodiment, two fixing holes 215 are provided on each of the abutting surfaces, and the two fixing holes 215 are provided near both ends of the block main body 21, respectively. Accordingly, two mounting holes 103 are provided at positions of the side wall of the case 10 corresponding to the mounting holes 103.

When the first abutting surface 211 faces the mounting surface 11, the fixing hole 215 of the third abutting surface 213 is connected to the mounting hole 103 of the housing 10 through the locking member 24. When the second abutting surface 212 faces the mounting surface 11, the fixing hole 215 of the fourth abutting surface 214 is connected to the mounting hole 103 of the housing 10 through the locking member 24. When the third abutting surface 213 faces the mounting surface 11, the fixing hole 215 of the first abutting surface 211 is connected to the mounting hole 103 of the housing 10 through the locking member 24. When the fourth abutting surface 214 faces the mounting surface 11, the fixing hole 215 of the second abutting surface 212 is connected to the mounting hole 103 of the housing 10 through the locking member 24.

The connection block 20 of the present embodiment is further provided with a fitting portion 23 for connection with another display screen 100. In this embodiment, a fitting portion 23 is provided on each abutting surface of the block main body 21. The assembling portion 23 is disposed near the middle of the block body 21, and opposite inner walls of the assembling portion 23 are each provided with a protruding edge 231.

The protruding rim 231 protrudes from the inner wall of the fitting portion 23 so that a long and narrow hole is formed inside the fitting portion 23. The other display screen 100 may be provided with a connecting structure adapted to the elongated hole of the mounting portion 23, such that the connecting structure extends into the mounting portion 23 and can be engaged with the protruding edge 231, thereby connecting the two display screens 100.

In other examples, the mounting portion 23 may have other structures, such as a groove-shaped structure, a hook structure, etc., and the connecting structure on the other display 100 may also be disposed in different forms corresponding to the mounting portion 23, such as a structure that the connecting structure is disposed to be fastened with the mounting portion 23, a structure that the mounting portion 23 is screwed, etc.

Further, referring to fig. 8 to 11, the display screen 100 of the present embodiment further includes a connection lock 30 disposed on the other side surface of the box 10, and the surface of the box 10 on which the connection lock 30 is disposed is the connection surface 12.

The connection lock 30 includes a lock body 31 provided on the case 10 and a locking head piece 32 provided on the lock body 31. The locking element 32 is rotatable relative to the locking body 31 such that the locking element 32 can be switched between an unlocked position and a locked position. When two display screens 100 are spliced, the locking member 32 of one display screen 100 can extend into the mounting portion 23 of the connecting block 20 of the other display screen 100 and rotate to the position along with the locking member to be in clamping fit with the convex edge 231 of the mounting portion 23, so that the two display screens 100 are connected.

The connecting surface 12 of the case 10 is formed with a connecting hole 104, and the lock body 31 is movably inserted into the connecting hole 104. The axial direction of the locking body 31 is perpendicular to the attachment surface 12, and the direction of movement of the locking body 31 in the attachment hole 104 coincides with its own axial direction.

In the present embodiment, the locking body 31 includes a main body 311 and a stopper 312 fixed to the outer periphery of the main body 311. The main body 311 has a hollow cylindrical structure, and the outer contour of the baffle 312 is circular. The portions of the body 311 on both sides of the baffle portion 312 are a first portion 3111 and a second portion 3112, the first portion 3111 of the body 311 is inserted into the connection hole 104, and the baffle portion 312 and the second portion 3112 are disposed inside the box 10.

The locking head piece 32 comprises a locking rod 321 and a locking head part 322 arranged at the end part of the locking rod 321, and the locking head part 322 is T-shaped. The outer wall of the locking rod 321 is provided with external threads, the interior of the body portion 311 is provided with internal threads, the locking rod 321 is screwed to the interior of the lock body 31, and the locking head portion 322 is arranged outside the lock body 31. When the locking head member 32 is rotated relative to the locking body 31, the locking head member 32 can move along the axial direction of the locking body 31.

The shape of the lock head 322 of this embodiment is adapted to the fitting portion 23, and when the lock member 32 is located at the unlocking position, the lock head 322 can pass through the fitting portion 23 and enter the inside of the fitting portion 23; when the locking head piece 32 is rotated from the unlocking position to the locking position, the locking head portion 322 may abut against the convex edge 231 of the fitting portion 23, thereby being caught in the fitting portion 23. In the present embodiment, the angle of rotation of the locking member 32 from the unlocked position to the locked position is 90 °.

Further, the connecting lock 30 further includes a handle 33. The handle 33 is sleeved outside the lock body 31, and the handle 33 is fixed with one end of the lock rod 321 departing from the lock head 322 in a threaded manner. By rotating the handle 33, the locking member 32 can be rotated relative to the locking body 31.

By pushing the handle 33, the movement of the locking body 31 with respect to the housing 10 is achieved. In the first portion 3111 of the body portion 311 of the lock body 31 of the present embodiment, a stopper groove 3113 is provided, and the stopper groove 3113 extends in the axial direction of the lock body 31. A position of the case 10 corresponding to the position-limiting groove 3113 is provided with a position-limiting bead 106, and the position-limiting bead 106 is slidably disposed in the position-limiting groove 3113.

When the lock body 31 moves relative to the housing 10, the stopper bead 106 slides in the stopper groove 3113 along the extending direction of the stopper groove 3113. The stopper groove 3113 can restrict the rotation of the lock body 31 with respect to the case 10, and ensure the stability of the connection lock 30 with respect to the entire structure of the case 10.

In this embodiment, the connecting lock 30 further includes a ratchet 34 and a snap 35. A ratchet 34 is disposed inside the handle 33, and the ratchet 34 is fixed to the second portion 3112 of the locking body 31. A plurality of ratchet teeth 341 are arranged outside the ratchet wheel 34, and the plurality of ratchet teeth 341 are connected in order and arranged on a partial circumferential area of the ratchet wheel 34.

The latch 35 includes a latch body 351 and a button portion 352 connected to the latch body 351, wherein an end of the latch body 351 is configured to latch with the ratchet 341 of the ratchet 34. The latch body 351 is movably connected to the inside of the handle 33 by a torsion spring 353, and a button portion 352 is provided to protrude from the outside of the handle 33.

When the end of the latch body 351 is latched to the ratchet 341, the lock member 32 can be fixed to the unlock position or the lock position, and the button 352 is not pressed. When the button portion 352 is pressed, the end of the engaging body 351 is disengaged from the ratchet 341 by the torsion spring 353, and the locking head 32 can be rotated relative to the locking body 31 by the control handle 33. When transporting the display screen 100, the handle 33 can be rotated by a certain angle, so that the handle 33 is rotated to the inside of the box body 10, and the handle 33 is positioned by clamping the end part of the clamping main body 351 with the ratchet 341, so that the handle 33 is integrally accommodated in the box body 10, and the handle 33 is prevented from occupying a large transportation space outside the box body 10.

In this embodiment, the ratchet 341 of the ratchet wheel 34 is provided with a protrusion 342 on the outer side, and the handle 33 is provided with a boss (not shown) on the inner wall. When the boss abuts against the projection 342, the locking member 32 is fixed at the unlocking position. Through setting up matched with boss and bellying 342, can cooperate joint 35 and ratchet 341, further guarantee the stability of lock head spare 32 fixing in unblock position department.

In addition, the outer wall of handle 33 is provided with a groove 332, and the inner wall of box 10 is provided with a positioning bead 105. During rotation of handle 33, positioning bead 105 rolls on the outer wall of handle 33 and when positioning bead 105 snaps into recess 332, locking head member 32 is secured in the locked position. Through setting up matched with location glass bead 105 and recess 332, can improve the use experience that the operator used the connection lock 30, make operating personnel know the suggestion that lock head spare 32 reached the locking position through the joint of perception location glass bead 105 and recess 332.

The gradually expanding diameter of groove 332 in handle 33 is a trapezoidal groove structure to facilitate the smooth snapping of bead 105 into groove 332 of handle 33 or the smooth rotation out of groove 332 of handle 33.

Referring to fig. 9 and 12, in the present embodiment, the connecting lock 30 may have two different structures, and the two different structures of the connecting lock 30 are a first connecting lock 301 and a second connecting lock 302, respectively. The first and second connection locks 301 and 302 each include the structure described above, and the first connection lock 301 is different from the second connection lock 302 in that the first connection lock 301 further includes a positioning member.

Specifically, the positioning assembly of the first attachment lock 301 includes a positioning plate 36 and at least one set of positioning pins 37 disposed on the positioning plate 36. The positioning plate 36 is disposed outside the first portion 3111 of the lock body 31, each positioning pin set 37 includes at least one positioning pin 371, the positioning pin 371 is disposed on a side of the positioning plate 36 facing the connection surface 12 of the case 10, and the positioning pin 371 penetrates the connection surface 12 of the case 10.

Each abutting surface of the connecting block 20 is provided with a positioning hole 216 matched with the positioning pin 371. When the two display screens 100 are connected, the positioning pin 371 of the first connecting lock 301 of one display screen 100 penetrates through the positioning hole 216 of the connecting block 20 of the other display screen 100, so that the two display screens 100 are positioned and connected, the two display screens 100 are prevented from rotating relatively, and the connection stability of the two display screens 100 is ensured.

The first connecting lock 301 includes two sets of positioning pin groups 37, and the two sets of positioning pin groups 37 are respectively provided near both ends of the positioning plate 36. Each set of positioning pins 37 includes two positioning pins 371 spaced apart from each other, and correspondingly, four positioning holes 216 are formed on each abutting surface of the connecting block 20.

In addition, the connecting lock 30 of the present embodiment may further include a first spring 38 and a second spring 39. The first spring 38 is sleeved outside the first portion 3111, one end of the first spring 38 is connected to the inner wall of the casing 10, and the other end of the first spring 38 is connected to the outer wall of the baffle portion 312. Two second springs 39 are provided, the two second springs 39 are respectively sleeved outside all the positioning pins 371 in the two positioning pin groups 37, one end of each second spring 39 is connected with the inner wall of the box body 10, and the other end of each second spring 39 is connected with the outer wall of the positioning plate 36.

The first spring 38 can provide a pre-tightening force between the baffle portion 312 and the box 10, and when the connection block 20 is not in use, the end of the locking head piece 32 mounted on the locking body 31 can be accommodated inside the box 10 by the pre-tightening force generated by the first spring 38, so as to avoid interference between the locking head piece 32 and external elements of the box 10. The second spring 39 can provide a pre-tightening force between the positioning plate 36 and the case 10, and when the connection block 20 is not in use, the positioning pin 371 on the positioning plate 36 can be accommodated in the case 10 by the pre-tightening force generated by the second spring 39, so as to prevent the positioning pin 371 from interfering with external components of the case 10.

As shown in fig. 13, for the display screen 100 according to the embodiment of the present application, the first connecting lock 301 is disposed on the connecting surface 12 of the casing 10, and the assembling surface 11 on which the connecting block 20 is disposed opposite to and parallel to the connecting surface 12 on which the first connecting lock 301 is disposed. Two side surfaces of the box body 10 except the assembling surface 11 and the connecting surface 12 are respectively a first splicing surface 13 and a second splicing surface 14, and the first splicing surface 13 and the second splicing surface 14 are arranged oppositely and in parallel.

In other examples, the assembling surface 11 may also be perpendicular to the connecting surface 12, and the first splicing surface 13 and the second splicing surface 14 are correspondingly disposed perpendicularly.

In this embodiment, the first splicing surface 13 is provided with a second connecting lock 302, and the second splicing surface 14 is provided with an assembling hole 107 adapted to the lock head 322 of the second connecting lock 302. The assembly hole 107 is a long and narrow hole, edges 1071 are convexly arranged on the inner walls of the two sides of the assembly hole 107, and the edges 1071 are used for being in clamping fit with the lock head 322.

In other examples, the connection lock 30 may be disposed on the first splicing surface 13, and the connection block 20 may be disposed on the second splicing surface 14; alternatively, the connecting block 20 is disposed on the first splicing surface 13, and the connecting lock 30 is disposed on the second splicing surface 14.

As shown in fig. 14, a plurality of display panels 100 may be connected to each other to form a combined panel, and the number of display panels 100 in the combined panel is not limited to four as shown in the figure, and may be two, six, eight, and the like, which is not limited herein.

In the present embodiment, for convenience of description, the four display screens 100 are named a first display screen 110, a second display screen 120, a third display screen 130, and a fourth display screen 140, respectively, in an order of being arranged up and down. The assembly surface 11 of the first display screen 110 is spliced with the connection surface 12 of the second display screen 120, the assembly surface 11 of the third display screen 130 is spliced with the connection surface 12 of the fourth display screen 140, the second splicing surface 14 of the first display screen 110 is spliced with the first splicing surface 13 of the third display screen 130, and the second splicing surface 14 of the second display screen 120 is spliced with the first splicing surface 13 of the fourth display screen 140.

When the first display screen 110 is spliced with the third display screen 130, the lock head portion 322 of the lock head piece 32 of the second connecting lock 302 on the third display screen 130 extends into the assembling hole 107, the lock head piece 32 is rotated to the locking position through the handle 33, and the lock head portion 322 is clamped with the edge 1071, so that the first display screen 110 is spliced with the third display screen 130, the splicing angle between the display surface of the first display screen 110 and the display surface of the third display screen 130 is 0 °, that is, the display surface of the first display screen 110 and the display surface of the third display screen 130 are in the same plane.

When the second display screen 120 is connected to the fourth display screen 140, the second connection lock 302 on the second display screen 120 is matched with the assembly hole 107 on the fourth display screen 140 as described above, which is not described herein again, and the display surface of the second display screen 120 and the display surface of the fourth display screen 140 are in the same plane.

In this embodiment, the splicing angle of the display surface between the first display screen 110 and the second display screen 120 and the splicing angle of the display surface between the third display screen 130 and the third display screen 130 may be implemented by the connection block 20 and the first connection lock 301 in cooperation.

Now, an example in which the joint angle between the display surface of the first display panel 110 and the display surface of the second display panel 120 needs to be adjusted to 175 ° will be described.

Referring to fig. 15, when the connection block 20 on the first display screen 110 is connected to the two display screens 100 at an angle of 175 °, the third side surface 223 of the connection part 22 on the connection block 20 needs to be adjusted to face and be parallel to the mounting surface 11 of the first display screen 110, and at this time, the third abutting surface 213 of the connection block 20 opposite to the third side surface 223 of the connection part 22 faces the plane where the mounting surface 11 is located. Alternatively, the abutting surface marked with "5 °" may be selected to face the mounting surface 11 directly through the character marked on the abutting surface.

The locking member 24 is inserted into the mounting hole 103 and the fixing hole 215 of the connection block 20, so that the connection block 20 is fixed in the mounting space 101 of the first display screen 110.

For the second display screen 120, before being connected with the first display screen 110, the locking head member 32 is located at the unlocking position by controlling the handle 33, and the locking head member 32 is fixed at the unlocking position by the matching of the ratchet 341 and the clamping member 35 and the matching of the protruding part 342 of the ratchet 34 and the boss of the handle 33.

Then, the connecting surface 12 of the second display screen 120 is opposite to the assembling surface 11 of the first display screen 110, the handle 33 pushes the locking head 32 to drive the locking body 31 to move relative to the box body 10, so that the locking head 322 of the locking head 32 extends into the assembling portion 23 of the connecting block 20 in the first display screen 110, and the positioning pin 371 extends into the positioning hole 216 of the connecting block 20.

Then, the handle 33 is rotated to adjust the locking head member 32 to the locking position, at this time, the positioning glass bead 105 on the box body 10 is clamped into the groove 332 on the handle 33, and then the handle 33 is pulled, so that the locking head portion 322 is clamped with the convex edge 231 of the assembling portion 23, thereby connecting the first display screen 110 with the second display screen 120, and enabling the splicing angle between the display surface of the first display screen 110 and the display surface of the second display screen 120 to be 175 °.

To the display screen of this embodiment, be equipped with the connecting block on the side of box, the position adjustment of the piece main part of connecting block in box installation space can be realized through switching portion on the connecting block to each butt joint face homoenergetic on making the piece main part convert to the fitting surface towards the box, with the plane constitution not equidimension assembly angle in the fitting surface place, so that the concatenation angle between two display screens is adjustable. This connecting block is when adjusting the size of assembly angle, and the different butt joint face through its week of conversion realizes, and the axis direction and the assembly surface of the different butt joint faces of conversion of connecting block are parallel state, makes the connecting block of installing on the box can not rotate with the axis of perpendicular to assembly surface, thereby avoids two display screens that are connected to take place to rock on the fore-and-aft direction of display screen, makes the display screen box possess better precision when the concatenation, guarantees user's use and experiences.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A display screen, comprising:

the side surface of the box body, which is provided with the installation space, is an assembly surface;

the connecting block is arranged in the mounting space and comprises a block main body and a switching part arranged on the block main body, the circumferential side surface of the block main body comprises a plurality of butt joint surfaces, and the block main body is adjustably arranged in the mounting space through the switching part in a position so that each butt joint surface can be switched to a plane facing the mounting surface and form a mounting angle with different sizes with the plane where the mounting surface is located;

the connecting block is also provided with an assembling part for connecting with another display screen; when any butt joint surface of the block main body faces the plane of the assembly surface, the connecting block is connected with another display screen through the assembly part, the included angle between the opposite side surfaces of the two connected display screens is the same as the assembly angle formed by the butt joint surfaces, and the splicing angle between the display surfaces of the two display screens is the complementary angle of the assembly angle; the block body can selectively enable any one of the butting surfaces to be opposite to the other display screen, so that the splicing angle between the two display screens is different.

2. The display screen according to claim 1, wherein two of the adapter portions are arranged, and the two adapter portions are respectively arranged on the end faces of the two ends of the block main body in a protruding manner; the outer contour of the adapter part is a regular polygon, a plurality of side surfaces of the adapter part are arranged opposite to the butt joint surfaces one by one, and the size of a butt joint angle formed by each side surface of the adapter part and the butt joint surface is different;

the position of the block main body in the installation space is adjustable, so that the adapter part can be selectively arranged in a way that any side surface of the adapter part faces the assembling surface and is parallel to the assembling surface; when one side surface of the adapter part faces and is parallel to the assembling surface, the size of an assembling angle formed by the butt joint surface and the assembling surface opposite to the side surface is the same as that of the butt joint angle formed by the butt joint surface and the side surface.

3. The display screen according to claim 2, wherein two opposite inner side walls of the installation space are respectively provided with a clamping groove, and the two adapter parts are respectively clamped in the two clamping grooves; the shape of the clamping groove is matched with the shape of the outer contour of the adapter part, so that the adapter part can be switched in position in the clamping groove, and any side surface of the adapter part can be opposite to and parallel to the assembling surface.

4. The display screen of claim 3, wherein the block body comprises four abutting surfaces connected in sequence, wherein the four abutting surfaces are a first abutting surface, a second abutting surface, a third abutting surface and a fourth abutting surface respectively; the outer contour of the transfer part is a regular quadrangle, and four side surfaces of the transfer part are respectively a first side surface opposite to the first butt joint surface, a second side surface opposite to the second butt joint surface, a third side surface opposite to the third butt joint surface and a fourth side surface opposite to the fourth butt joint surface; the clamping groove is a rectangular groove.

5. The display screen of claim 4, wherein the first mating surface forms a mating angle of 0 ° with the first side surface, and the mating angle formed by the first mating surface and the mating surface is 0 ° when the adapter is shifted in position in the card slot such that the first side surface is opposite to and parallel to the mating surface;

the butt joint angle formed by the second butt joint surface and the second side surface is 2.5 degrees, and when the second side surface is opposite to and parallel to the assembling surface due to the fact that the adapter part is in the switching position in the clamping groove, the assembling angle formed by the second butt joint surface and the assembling surface is 2.5 degrees;

the butt joint angle formed by the third butt joint surface and the third side surface is 5 degrees, and when the switching part is switched in the clamping groove to enable the third side surface to be opposite to and parallel to the assembling surface, the assembling angle formed by the third butt joint surface and the assembling surface is 5 degrees;

the butt joint angle formed by the fourth butt joint surface and the fourth side surface is 7.5 degrees, and when the adaptor part is in a conversion position in the clamping groove, the fourth side surface is opposite to and parallel to the assembling surface, the assembling angle formed by the fourth butt joint surface and the assembling surface is 7.5 degrees.

6. The display screen of claim 1, wherein mounting holes are formed in the side wall of the box body corresponding to the mounting space, and fixing holes are formed in each abutting surface of the block main body at positions corresponding to the mounting holes; the connecting block further comprises a locking piece, wherein the locking piece penetrates through the mounting hole and the fixing hole, so that the connecting block is fixed in the mounting space.

7. The display screen of claim 1, wherein the adapter is a rotating shaft, the block body is rotatably disposed in the mounting space through the rotating shaft, and an axial direction of the rotating shaft is parallel to a plane where the mounting surface is located.

8. The display screen of claim 1, further comprising a connecting lock disposed on the other side of the box body, wherein the connecting lock comprises a lock body disposed on the box body and a locking head piece disposed on the lock body; the assembling part on the butt joint surface of the block main body is of a hole-shaped structure, and the edge of the inner side of the assembling part is provided with a convex edge;

the lock head piece can rotate relative to the lock body, so that the lock head piece can be switched between an unlocking position and a locking position; two during the display screen concatenation, one of them the tapered end spare of display screen can stretch into another inside the assembly part of the connecting block of display screen, and turn to locking position and with the protruding joint cooperation along of assembly part, thereby make two the display screen is connected.

9. The display screen of claim 8, wherein the convex edges are oppositely arranged on the inner walls of two sides of the assembling part so as to form a slot in the assembling part; the lock head part comprises a lock rod and a lock head part arranged at the end part of the lock rod, the lock rod is connected with the lock body, the shape of the lock head part is matched with the long and narrow hole in the assembling part, and the lock head part is used for being matched with the convex edge in a clamping mode.

10. The display screen of claim 8, wherein the connecting lock further comprises a positioning plate and at least one set of positioning pins arranged on the positioning plate, and the positioning plate is sleeved on the lock main body; each group of positioning pin sets comprises at least one positioning pin, and the positioning pins are arranged on the outer side surfaces of the positioning plates and penetrate through the side surfaces of the box body; each butt joint surface of the block main body is provided with a positioning hole matched with the positioning pin, and the positioning hole is arranged on the outer side of the assembling part;

the lock body can move relative to the box body along the direction perpendicular to the side face of the box body so as to drive the positioning plate to be close to the other connecting block of the display screen, and the positioning pin penetrates through the positioning hole.