CN112382199B

CN112382199B - Display device

Info

Publication number: CN112382199B
Application number: CN202011246923.7A
Authority: CN
Inventors: 胡灵超; 陈伟雄; 郭玉宝
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2023-01-20
Anticipated expiration: 2040-11-10
Also published as: CN112382199A

Abstract

The invention discloses a display device which comprises a front frame, a rear cover and a display module. The front frame is formed with the mounting hole, is equipped with first spliced eye on the roof of front frame, is equipped with the second spliced eye on the inner wall of front frame. The one end of the relative both sides that set up of back lid rotates with the inner wall of preceding frame to be connected, and the other end can be dismantled with the inner wall of preceding frame and be connected, is equipped with the third spliced eye on the roof of back lid, and when the contained angle between back lid and the preceding frame was for predetermineeing the contained angle, the central axis of first spliced eye and the central axis coincidence of third spliced eye. Be equipped with the plug connector on the display module assembly, the plug connector can with first spliced eye and third spliced eye cooperation so that the roof of display module assembly and front bezel and the roof of back lid are connected, perhaps cooperates so that the display module assembly cooperation is in the mounting hole with the second spliced eye. The display equipment can be suitable for various use occasions, has a large application range, and improves the use experience of users.

Description

Display device

Technical Field

The invention relates to the technical field of display devices, in particular to a display device.

Background

Square dance, outdoor education, family outdoor travel, etc. are the current popular entertainment activity mode and the education form of defending, and the instrument that mainly is suitable for now is mostly audio amplifier, cell-phone, computer etc. and all is voiced or not the picture, or has the sound of picture little screen little, can't satisfy many people's user demand together.

Therefore, a display device is needed to meet the user's needs in various applications.

Disclosure of Invention

The invention aims to provide a display device which can be suitable for various use occasions, has a wide application range and improves the use experience of a user.

In order to achieve the technical effects, the technical scheme of the display device is as follows:

a display device, comprising: the front frame is provided with a mounting hole; the rear cover is rotatably connected to the front frame; the display module is detachably matched in the mounting hole; the display device has a first working state, a second working state and a third working state, and the display device can be switched among the first working state, the second working state and the third working state; in the first working state, the display module is matched in the mounting hole, and the front frame and the rear cover are arranged in parallel; in the second working state, the display module is matched in the mounting hole, and the front frame and the rear cover form an included angle; and in the third working state, the display module is matched on the top wall of the front frame, and the front frame and the rear cover are arranged at an included angle.

Furthermore, a first connecting structure and a second connecting structure are arranged on the front frame; a third connecting structure is arranged on the top wall of the rear cover; a fourth connecting structure is arranged on the display module; in the first working state or the second working state, the fourth connecting structure is matched with the second connecting structure; in the third working state, the fourth connecting structure is matched with the first connecting structure and the third connecting structure.

Furthermore, a first plug hole and a second plug hole are formed in the front frame; a third plug hole is formed in the top wall of the rear cover; the display module is provided with a plug connector; in the first working state or the second working state, the plug connector is plugged in the second plugging hole; in the third working state, the central axis of the first plug hole coincides with the central axis of the third plug hole, and the plug connector is plugged in the first plug hole and the third plug hole.

Further, the both ends of two relative lateral walls that set up of preceding frame are equipped with first rotation hole respectively, the both ends of two relative lateral walls that set up of back lid are equipped with the second respectively and rotate the hole, cover after and be equipped with the elastic component and rotate the piece, it wears to establish to rotate the piece in the second rotates the hole, the one end butt of elastic component is in on the diapire in second rotation hole, the other end butt is in on the tip of rotating the piece.

Further, be equipped with the sliding tray on the back lid, the sliding tray runs through the back lid, it includes to rotate the piece: the rotating shaft penetrates through the second rotating hole; the shifting block penetrates through the sliding groove, one end of the shifting block is connected with the rotating shaft, and the other end of the shifting block extends in the direction away from the front frame.

The display device as claimed in, wherein the display device further comprises a mounting member connected to an inner wall of the front frame, and the second insertion hole is provided in a bottom wall of the mounting member.

Further, the second jack hole shaping in on the lateral wall of installed part, the installed part includes the rotating part, the rotating part rotate set up in on the lateral wall of installed part, the rotating part can release or spacing be located in the second jack hole the plug connector.

Further, a protrusion is formed on a side wall of the mounting member, a step is formed on a circumferential surface of the protrusion, and the rotating part includes: the rotary pressing sheet is rotatably sleeved on the protrusion and abutted against the horizontal plane of the step, and the height of the rotary pressing sheet is greater than that of the step; and one end of the fastening part is arranged in the bulge in a penetrating mode, and the other end of the fastening part abuts against the rotary pressing sheet.

Further, the installed part has the installation cavity, display device still includes the PCB board, the PCB board install in the installation cavity, the orientation of installed part be equipped with first interface on the lateral wall of back lid, the diapire of installed part is equipped with the second interface, the roof of installed part is equipped with the third interface, the roof of preceding frame be equipped with the intercommunicating pore of third interface intercommunication, first interface the second interface with the third interface all with the installation cavity intercommunication.

Further, the front frame further comprises an extension edge, the extension edge is arranged on the inner wall of the mounting hole, and the mounting piece comprises: the top cover piece is arranged on the extending edge, and two ends of the top cover piece are respectively connected with the extending edge; the supporting plate is arranged on the end face, far away from the rear cover, of the front frame and abuts against one side wall of the top cover part; a cover plate abutting on the other side wall of the roof member and connected with the support plate.

The invention has the beneficial effects that: according to the display equipment, the front frame and the rear cover can be rotatably connected, and the display module can be arranged on the top wall of the front frame or matched in the mounting hole, so that the display equipment has three using forms, the carrying convenience of the display equipment can be improved, the application range of the display equipment is obviously improved, the convenience of the display equipment in outdoor use is improved, and the requirements of users on large screens of the outdoor display equipment and the use of multiple persons are met.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a display device in a first operating state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a display device in a second operating state according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a display device in a third operating state according to an embodiment of the present invention;

fig. 4 is an exploded view of a display device according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a partial internal structure of a display device in a third operating state according to an embodiment of the present invention;

FIG. 6 is a partial structural view of a front frame and mounting member provided in accordance with an embodiment of the present invention;

FIG. 7 is a schematic view of a partial structure of a display module according to an embodiment of the present invention;

FIG. 8 is a schematic view of a portion of the structure of the front frame and the back cover having an included angle therebetween according to an embodiment of the present invention;

FIG. 9 is a partial structural schematic view of a rear cover, an elastic member and a rotation member according to an embodiment of the present invention;

fig. 10 is a schematic partial structural diagram of a display device in a second operating state according to an embodiment of the present invention;

fig. 11 is a schematic view of a partially exploded structure of a front frame and a mounting member according to an embodiment of the present invention.

Reference numerals

1. A front frame; 11. a first plug hole; 12. mounting holes; 13. a first rotation hole; 14. an extension edge; 15. a locking hole;

2. a mounting member; 21. a second plug hole; 22. a groove; 221. a first interface; 23. a second interface; 24. a third interface; 25. a rotating part; 251. carrying out rotary tabletting; 252. a fastening section; 26. a protrusion; 27. a roof member; 28. a support plate; 29. a cover plate;

3. a rear cover; 31. a third plug hole; 32. a second rotation hole; 33. a sliding groove; 34. a frame body; 35. a plate member; 36. a hook member; 37. a battery;

4. a display module; 41. a plug-in unit;

5. a locking member; 6. a PCB board; 7. an elastic member; 8. a rotating member; 81. a rotating shaft; 82. and (5) shifting blocks.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

A specific structure of a display device of an embodiment of the present invention is described below with reference to fig. 1 to 11.

As shown in fig. 1 to 11, fig. 1 discloses a display apparatus including a front frame 1, a rear cover 3, and a display module 4. The front frame 1 is formed with a mounting hole 12. The rear cover 3 is rotatably coupled to the front frame 1. The display module 4 is detachably fitted in the mounting hole 12. The display device has a first working state, a second working state and a third working state, and can be switched among the first working state, the second working state and the third working state. In the first working state, the display module 4 is fitted in the mounting hole 12, and the front frame 1 and the rear cover 3 are arranged in parallel. In the second working state, the display module 4 is matched in the mounting hole 12, and the front frame 1 and the rear cover 3 are arranged at an included angle. In the third operating condition, the display module 4 cooperates on the roof of preceding frame 1, and preceding frame 1 is the contained angle setting with back lid 3.

It can be understood, as shown in fig. 1, because frame 1 rotates before the back lid 3 to be connected, when back lid 3 and preceding frame 1 parallel arrangement, back lid 3 cooperates completely in mounting hole 12, make display module assembly 4 cooperation simultaneously in second spliced eye 21, thereby make preceding frame 1, back lid 3 and display module assembly 4 three close, and make display device get into first operating condition, can be convenient for install display device in the wall or establish through fixed knot and use on the installation face, can also be convenient for display device's transport transportation. As shown in fig. 2, when having the contained angle between back lid 3 and preceding frame 1, the cooperation of simultaneous display module assembly 4 is in mounting hole 12, and preceding frame 1 and back lid 3 can regard as display device's supporting seat to use simultaneously, make display device get into second operating condition, and display device need not to establish on the holding surface with the help of other fixed knot and uses, and the user can also improve user's use experience according to the contained angle of preceding frame 1 and back lid 3 of actual demand adjustment. As shown in fig. 3, when an included angle is formed between the rear cover 3 and the front frame 1, the display module 4 can be simultaneously fitted on the top wall of the front frame 1, and the display device enters the third working state, so that the rear cover 3 and the front frame 1 can simultaneously support the display module 4 on the top wall of the front frame 1, and the plug connector 41 can also play a role in limiting the rotation between the front frame 1 and the rear cover 3. Display device is located the third operating condition time, because display module assembly 4 has higher height under the support of front frame 1 and back lid 3, the use of display device in external environment that can be convenient for, for example in square dance, outdoor education or outdoor travel, the display structure among the prior art relatively, show the screen display size and the use travelling comfort that have improved the display structure, can satisfy the demand that many people used simultaneously, simultaneously greatly reduced the degree of difficulty of display device in outdoor use.

According to the display device of this embodiment, because can rotate between preceding frame 1 and the back lid 3 and connect, display module assembly 4 can install on the roof of preceding frame 1 or the cooperation is in mounting hole 12, makes display device have three kinds of use forms, can improve display device's transport convenience, is showing the application scope who has improved display device, improves the convenience of display device in outdoor use, has satisfied the user to outdoor display device's large screen and the demand that many people used.

In some embodiments, the front frame 1 is provided with a first connecting structure and a second connecting structure. And a third connecting structure is arranged on the top wall of the rear cover 3. The display module 4 is provided with a fourth connecting structure. And in the first working state or the second working state, the fourth connecting structure is matched with the second connecting structure. In a third working state, the fourth connecting structure is matched with the first connecting structure and the third connecting structure.

It can be understood that the display module 4 can be stably mounted on the front frame 1 by the cooperation of the first connecting structure and the third connecting structure with the fourth connecting structure, and the display module 4 can be stably fitted in the mounting hole 12 by the cooperation of the second connecting structure with the fourth connecting structure.

Specifically, the first connection structure, the second connection structure, the third connection structure and the fourth connection structure may be connection structures such as pins, bolts, clamping blocks or buckles which can be conveniently detachably connected.

In some embodiments, as shown in fig. 1-5, 7 and 8, the front frame 1 is provided with a first insertion hole 11 and a second insertion hole 21; a third plug hole 31 is arranged on the top wall of the rear cover 3; the display module 4 is provided with a plug-in connector 41; in the first working state or the second working state, the plug-in unit 41 is plugged in the second plugging hole 21; in the third working state, the central axis of the first inserting hole 11 coincides with the central axis of the third inserting hole 31, and the inserting member 41 is inserted into the first inserting hole 11 and the third inserting hole 31.

It can be understood that, the cooperation of plug connector 41 and first spliced eye 11, second spliced eye 21 and third spliced eye 31 can improve the convenience that display module assembly 4 connects on front frame 1 and back lid 3, improves display module assembly 4's dismouting efficiency and dismouting convenience.

In some embodiments, as shown in fig. 4 and 5, a locking hole 15 is formed on an end surface of the front frame 1, the display device further includes a locking member 5, and when the plug-in unit 41 is fitted in the first insertion hole 11 and the third insertion hole 31, the locking member 5 penetrates through the locking hole 15 to lock the plug-in unit 41.

It can be understood that retaining member 5 can lock plug-in components 41 to improve display module 4 and preceding frame 1 and back lid 3's the stability of being connected, reduced display module 4 and from the possibility that breaks away from on preceding frame 1 and the back lid 3 under the exogenic action, ensure security and the reliability of display device when outdoor use.

In some embodiments, as shown in fig. 4, 8 and 9, two ends of two opposite sidewalls of the front frame 1 are respectively provided with a first rotation hole 13, two ends of two opposite sidewalls of the rear cover 3 are respectively provided with a second rotation hole 32, the rear cover 3 is provided with an elastic member 7 and a rotation member 8, the rotation member 8 is inserted into the second rotation hole 32, one end of the elastic member 7 abuts against a bottom wall of the second rotation hole 32, and the other end abuts against an end of the rotation member 8.

Specifically, when the elastic element 7 is in an initial state, when the rear cover 3 rotates into the mounting hole 12 of the front frame 1, the rotating element 8 cannot enter the mounting hole 12 under the limit of the front frame 1, a user can make the rotating element 8 enter the mounting hole 12 by compressing the elastic element 7, when the rotating element 8 moves to the first rotating hole 13 in the axial direction of the mounting hole 12, the rotating element 8 can enter the first rotating hole 13 under the elastic force of the elastic element 7, so that the rotating connection between the rear cover 3 and the front frame 1 is realized, in addition, the user can also press the rotating element 8 from the first rotating hole 13 to compress the elastic element 7, and make the rotating element 8 separate from the limit of the first rotating hole 13, namely, the rear cover 3 can be separated from the mounting hole 12. It can be understood that, the first rotation hole 13 and the back lid 3 of the one end of two lateral walls of relative setting of preceding frame 1 are in the rotation connection state through rotating 8 and elastic component 7 for a long time, then can realize reliable, convenient and fast's dismantlement connection through elastic component 7 and rotation piece 8 between the first rotation hole 13 of the other end and the back lid 3, have improved the convenience and the switching efficiency that display device switched between first operating condition, second operating condition and third operating condition.

In some embodiments, as shown in fig. 8 and 9, the rear cover 3 is provided with a sliding groove 33, the sliding groove 33 penetrates through the rear cover 3, and the rotating member 8 includes a rotating shaft 81 and a shifting block 82. The rotating shaft 81 is inserted into the second rotating hole 32. The shifting block 82 is inserted into the sliding groove 33, one end of the shifting block 82 is connected with the rotating shaft 81, and the other end extends in a direction away from the front frame 1.

It can be understood that, through the arrangement of the shifting block 82 and the rotating shaft 81, when a user needs to press the elastic part 7 to realize the connection or the separation between the rear cover 3 and the front frame 1, the user can directly drive the shifting block 82 to move in the sliding groove 33, so that the rotating part 8 presses the elastic part 7, and the rotating part 8 can be separated from the first rotating hole 13 or enter the first rotating hole 13, thereby further improving the convenience and the switching efficiency of the display device between the first working state, the second working state and the third working state.

In some embodiments, as shown in fig. 4 to 6, 10 and 11, the display device further includes a mounting member 2, the mounting member 2 is coupled to an inner wall of the front frame 1, and the second insertion hole 21 is provided on a bottom wall of the mounting member 2.

It can be understood that, if the first inserting hole 11 and the second inserting hole 21 are both disposed on the front frame 1 at the same time, the thickness of one side of the front frame 1 must be too large, which is not beneficial to the production of the front frame 1, and also affects the appearance of the front frame 1. The setting of installed part 2 not only can be convenient for display module assembly 4 to cooperate when in the mounting groove with preceding frame 1 firm connection, also can provide display device's electronic component's installation space, improved display device's the integrated level and the reliability of display module assembly 4 installation in mounting hole 12.

In some embodiments, as shown in fig. 10 and 11, the second insertion hole 21 is formed on a side wall of the mounting member 2, the mounting member 2 includes a rotation portion 25, the rotation portion 25 is rotatably disposed on the side wall of the mounting member 2, and the rotation portion 25 can release or limit the plug 41 located in the second insertion hole 21.

It can be understood that, second spliced eye 21 shaping is on the lateral wall of installed part 2, when making display module assembly 4 install in mounting hole 12, can unscrew rotating part 25 earlier, make display module assembly 4 can directly follow the axial direction embedding mounting hole 12 of mounting hole 12 in, and make plug connector 41 pass through the cooperation of second spliced eye 21 on the lateral wall of installed part 2 in the spliced eye, rethread rotating part 25 is spacing to the plug connector 41 of installing in second spliced eye 21, thereby make the installation space that need not to reserve display module assembly 4 in the mounting hole 12, under the prerequisite of the stability of being connected of guaranteeing display module assembly 4 and installed part 2, display device's space utilization and display module assembly 4's installation effectiveness have been improved.

In some embodiments, as shown in fig. 10 and 11, a protrusion 26 is formed on a side wall of the mounting member 2, a step is formed on a circumferential surface of the protrusion 26, and the rotation part 25 includes a rotation pressing piece 251 and a fastening part 252. The rotary pressing piece 251 is rotatably sleeved on the protrusion 26 and is abutted against the horizontal plane of the step, and the height of the rotary pressing piece 251 is greater than that of the step. One end of the fastening portion 252 is inserted into the boss 26, and the other end abuts against the rotary presser 251.

It can be understood that, since the height of the rotary pressing piece 251 is less than the height of the step, when the rotary pressing piece 251 is fitted on the protrusion 26, the top wall of the rotary pressing piece 251 is higher than the top wall of the protrusion 26, and the fastening portion 252 is inserted into the protrusion 26 with a gap therebetween, so that the fastening portion 252 can press the rotary pressing piece 251 to ensure the limiting effect of the rotary portion 25 on the inserting piece 41.

In some embodiments, as shown in fig. 6, the mounting member 2 has a mounting cavity, the display device further includes a PCB 6, the PCB 6 is mounted in the mounting cavity, a side wall of the mounting member 2 facing the rear cover 3 is provided with a first port 221, a bottom wall of the mounting member 2 is provided with a second port 23, a top wall of the mounting member 2 is provided with a third port 24, a top wall of the front frame 1 is provided with a communication hole communicating with the third port 24, and the first port 221, the second port 23 and the third port 24 are all communicated with the mounting cavity.

It can be understood that, the arrangement of the first interface 221, the second interface 23 and the third interface 24 can facilitate the display device to be in the first working state, the second working state and the third working state, and the display module 4 can be connected with the PCB 6 through the first interface 221, the second interface 23 and the third interface 24 respectively, and the display function of the display module 4 is realized, so that the normal use of the display device in various states is ensured.

In some embodiments, as shown in fig. 4, the battery 37 is disposed on the rear cover 3, and the display device further includes a cable having three terminals, which are respectively connected to the battery 37, the PCB 6 and the display module 4.

It will be appreciated that the arrangement of the cable and battery 37 ensures that the display device is operable in the third operating state without the need for a power supply.

In some embodiments, as shown in fig. 10 and 11, the front frame 1 further includes an extension side 14, the extension side 14 is extended from an inner wall of the front frame 1 toward a radially inner side of the mounting hole 12, and the mounting member 2 includes a cap member 27, a support plate 28, and a cover plate 29. The lid member 27 is provided on the extending side 14, and both ends of the lid member 27 are connected to the extending sides 14, respectively. The support plate 28 is provided on an end surface of the front frame 1 remote from the rear cover 3, and the support plate 28 abuts on one side wall of the lid member 27. The cover plate 29 abuts on the other side wall of the lid member 27 and is connected to the support plate 28.

It will be appreciated that the extension edge 14 not only facilitates the connection of the lid member 27 to the front frame 1, but also provides a limit for the display module 4. The supporting plate 28 and the cover plate 29 are respectively arranged on two side walls of the top cover part 27, meanwhile, the supporting plate 28 and the cover plate 29 are connected with each other, the supporting plate 28 and the cover plate 29 can be stably arranged on the front frame 1 under the limiting of the top cover part 27, meanwhile, the mounting part 2 can be conveniently detached from the front frame 1, and on the premise that the use safety of the display device is guaranteed, the mounting difficulty and the detaching difficulty of the mounting part 2 in the front frame 1 are reduced.

In some specific embodiments, as shown in fig. 4, the rear cover 3 includes a frame 34 and a plate 35, the plate 35 is embedded in the frame 34, a hook 36 is disposed on the plate 35, and a groove 22 is formed on the hook 36, so that the display device can be hung on a wall surface conveniently, and the convenience of use of the display device is improved.

Example (b):

a display device according to one embodiment of the present invention is described below with reference to fig. 1 to 11.

The display device of the embodiment comprises a front frame 1, a rear cover 3, a display module 4, a mounting part 2, a locking part 5, an elastic part 7, a rotating part 8 and a PCB 6.

The front frame 1 is provided with a mounting hole 12, the top wall of the front frame 1 is provided with a first inserting hole 11, and the inner wall of the front frame 1 is provided with a second inserting hole 21. The end face of the front frame 1 is provided with a locking hole 15. The both ends of two relative lateral walls that set up of preceding frame 1 are equipped with first rotation hole 13 respectively, and the both ends of two relative lateral walls that set up of back lid 3 are equipped with the second respectively and rotate hole 32, are equipped with elastic component 7 and rotate piece 8 on the back lid 3, rotate piece 8 and wear to establish in second rotation hole 32, and the one end butt of elastic component 7 rotates on the diapire of hole 32 at the second, and the other end butt is on the tip that rotates piece 8. The front frame 1 further includes an extension edge 14, and the extension edge 14 extends from the inner wall of the front frame 1 toward the radial inside of the mounting hole 12.

The one end of the relative both sides that set up of back lid 3 rotates with the inner wall of preceding frame 1 to be connected, and the other end can be dismantled with the inner wall of preceding frame 1 and be connected, is equipped with third spliced eye 31 on the roof of back lid 3, and when the contained angle between back lid 3 and the preceding frame 1 was for predetermineeing the contained angle, the central axis of first spliced eye 11 and the coincidence of the central axis of third spliced eye 31. The rear cover 3 is provided with a slide groove 33, and the slide groove 33 penetrates the rear cover 3.

Be equipped with plug connector 41 on the display module assembly 4, plug connector 41 can cooperate so that the display module assembly 4 is connected with the roof of preceding frame 1 and the roof of back lid 3 with first spliced eye 11 and third spliced eye 31, perhaps cooperates so that display module assembly 4 cooperates in mounting hole 12 with second spliced eye 21. When the plug-in unit 41 is matched in the first inserting hole 11 and the third inserting hole 31, the locking member 5 penetrates through the locking hole 15 to lock the plug-in unit 41.

The rotating member 8 includes a rotating shaft 81 and a dial 82. The rotating shaft 81 is inserted into the second rotating hole 32. The shifting block 82 is inserted into the sliding groove 33, one end of the shifting block 82 is connected with the rotating shaft 81, and the other end extends in a direction away from the front frame 1.

The mounting member 2 is connected to the inner wall of the front frame 1, and the second inserting hole 21 is formed in the bottom wall of the mounting member 2. The second inserting hole 21 is formed in the side wall of the mounting part 2, the mounting part 2 comprises a rotating part 25, the rotating part 25 is rotatably arranged on the side wall of the mounting part 2, and the rotating part 25 can release or limit the inserting part 41 located in the second inserting hole 21. The fitting 2 has a protrusion 26 formed on a side wall thereof, a step 26 formed on a circumferential surface thereof, and the rotating part 25 includes a rotating pressing piece 251 and a fastening part 252. The rotary pressing piece 251 is rotatably sleeved on the protrusion 26 and is abutted against the horizontal plane of the step, and the height of the rotary pressing piece 251 is greater than that of the step. One end of the fastening portion 252 is inserted into the boss 26, and the other end abuts against the rotary presser 251. Installation part 2 has the installation cavity, and PCB board 6 is installed in the installation cavity, is equipped with first interface 221 on the lateral wall of lid 3 behind the orientation of installation part 2, and the diapire of installation part 2 is equipped with second interface 23, and the roof of installation part 2 is equipped with third interface 24, and the roof of preceding frame 1 is equipped with the intercommunicating pore with third interface 24 intercommunication, and first interface 221, second interface 23 and third interface 24 all communicate with the installation cavity. The mounting member 2 comprises a top cover member 27, a support plate 28 and a cover plate 29. The lid member 27 is provided on the extending side 14, and both ends of the lid member 27 are connected to the extending sides 14, respectively. A support plate 28 is provided on an end face of the front frame 1 away from the rear cover 3, the support plate 28 abutting on one side wall of the lid member 27. The cover plate 29 abuts on the other side wall of the lid member 27 and is connected to the support plate 28.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A display device, comprising:

the front frame (1), wherein a mounting hole (12) is formed on the front frame (1);

the rear cover (3), the said rear cover (3) is connected to the said front frame (1) rotatably;

the display module (4) is detachably matched in the mounting hole (12); the display device has a first working state, a second working state and a third working state, and the display device can be switched among the first working state, the second working state and the third working state;

in the first working state, the display module (4) is matched in the mounting hole (12), and the front frame (1) and the rear cover (3) are arranged in parallel;

in the second working state, the display module (4) is matched in the mounting hole (12), and the front frame (1) and the rear cover (3) form an included angle;

in the third working state, the display module (4) is matched on the top wall of the front frame (1), and the front frame (1) and the rear cover (3) form an included angle;

two ends of two opposite side walls of the front frame (1) are respectively provided with a first rotating hole (13), two ends of two opposite side walls of the rear cover (3) are respectively provided with a second rotating hole (32), the rear cover (3) is provided with an elastic part (7) and a rotating part (8), the rotating part (8) penetrates through the second rotating holes (32), one end of the elastic part (7) is abutted against the bottom wall of the second rotating hole (32), and the other end of the elastic part is abutted against the end part of the rotating part (8);

be equipped with sliding tray (33) on back lid (3), sliding tray (33) run through back lid (3), rotate piece (8) and include:

the rotating shaft (81), the rotating shaft (81) is arranged in the second rotating hole (32) in a penetrating mode;

a shifting block (82), the shifting block (82) is arranged in the sliding groove (33) in a penetrating mode, one end of the shifting block (82) is connected with the rotating shaft (81), and the other end of the shifting block extends and is arranged far away from the front frame (1) in the direction.

2. A display device as claimed in claim 1, characterized in that the front frame (1) is provided with a first connection structure and a second connection structure; a third connecting structure is arranged on the top wall of the rear cover (3); a fourth connecting structure is arranged on the display module (4);

in the first working state or the second working state, the fourth connecting structure is matched with the second connecting structure;

in the third working state, the fourth connecting structure is matched with the first connecting structure and the third connecting structure.

3. A display device as claimed in claim 2, characterized in that the front frame (1) is provided with a first plug-in hole (11) and a second plug-in hole (21); a third plug hole (31) is formed in the top wall of the rear cover (3); the display module (4) is provided with a plug connector (41);

in the first working state or the second working state, the plug connector (41) is plugged in the second plugging hole (21);

in the third working state, the central axis of the first plug hole (11) coincides with the central axis of the third plug hole (31), and the plug connector (41) is plugged in the first plug hole (11) and the third plug hole (31).

4. A display device as claimed in claim 3, characterized in that the display device further comprises a mounting member (2), the mounting member (2) being connected to an inner wall of the front frame (1), the second plug-in hole (21) being provided in a bottom wall of the mounting member (2).

5. A display device as claimed in claim 4, characterized in that the second plug-in hole (21) is formed in a side wall of the mounting part (2), the mounting part (2) comprises a rotary part (25), the rotary part (25) is rotatably arranged on the side wall of the mounting part (2), and the rotary part (25) can release or limit the plug-in part (41) in the second plug-in hole (21).

6. The display apparatus according to claim 5, wherein a protrusion (26) is formed on a side wall of the mount (2), a step is formed on a circumferential surface of the protrusion (26), and the rotation portion (25) includes:

the rotary pressing sheet (251) is rotatably sleeved on the protrusion (26) and is abutted against the horizontal plane of the step, and the height of the rotary pressing sheet (251) is greater than that of the step;

and a fastening part (252), wherein one end of the fastening part (252) is arranged in the bulge (26) in a penetrating way, and the other end of the fastening part (252) is abutted against the rotary pressing sheet (251).

7. A display device according to claim 4, wherein the mounting member (2) has a mounting cavity, the display device further comprises a PCB (6), the PCB (6) is mounted in the mounting cavity, a side wall of the mounting member (2) facing the rear cover (3) is provided with a first interface (221), a bottom wall of the mounting member (2) is provided with a second interface (23), a top wall of the mounting member (2) is provided with a third interface (24), a top wall of the front frame (1) is provided with a communication hole communicated with the third interface (24), and the first interface (221), the second interface (23) and the third interface (24) are communicated with the mounting cavity.

8. The display apparatus according to claim 4, wherein the front frame (1) further comprises an extended rim (14), the extended rim (14) being provided on an inner wall of the mounting hole (12), the mounting member (2) comprising:

the top cover piece (27) is arranged on the extending edge (14), and two ends of the top cover piece (27) are respectively connected with the extending edge (14);

a support plate (28), wherein the support plate (28) is arranged on the end face of the front frame (1) far away from the rear cover (3), and the support plate (28) abuts against one side wall of the top cover part (27);

a cover plate (29), wherein the cover plate (29) abuts against the other side wall of the top cover part (27) and is connected with the support plate (28).