Electric turnover device for display screen

Abstract

The utility model relates to the technical field of display screen installation, in particular to an electric turnover device for a display screen, which comprises a positioning frame, a display screen component and a rotary driving mechanism, the display screen component is hinged on the positioning frame, and the rotary driving mechanism is arranged on the positioning frame. One end of the swing pull rod is fixed to the power output end of the rotary driving mechanism, the other end of the swing pull rod can be connected to the display screen assembly in a relative sliding and relative rotating mode, and the rotary driving mechanism can enable the display screen assembly to turn over on the positioning frame through the swing pull rod. According to the utility model, only one swing pull rod is needed, so that the situation that the rods are hinged is avoided, the situations of uneven stress, deformation and aggravated abrasion caused by the hinged rods can be avoided, the high use performance can be kept for a long time, and the service life can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen installation technical field, especially a display screen electric turnover device. BACKGROUND

[0002] At present, in order to facilitate the related equipment with display screen and / or the display screen on the related equipment is adjusted to the appropriate observation angle, there are many turnover display screens. Among them, in order to realize the turnover of the display screen, the driving link mechanism is mostly used to realize the turnover of the display screen (for example: the patent document disclosed in Chinese application publication No. CN119445976A). The driving link mechanism is mostly composed of driving motor and at least two driving rods, so that the driving rods that need to be hinged together on the existing driving connection mechanism will be more than two. Since the existing driving rod mostly adopts a strip structure, the structural strength of the driving rod is limited, which easily leads to the limited hinge strength between adjacent driving rods. In addition, the end of the adjacent driving rod is overlapped together, and the hinge shaft is used to realize the hinge, so that the stress of the hinge of the adjacent driving rod is not uniform. This easily leads to the deformation and wear of the hinge of the adjacent driving rod, which greatly affects the use performance and service life of the driving link mechanism. Therefore, it is necessary to design a display screen electric turnover device to solve the above technical problems. SUMMARY

[0003] The utility model aims at solving the above problems and deficiencies, providing a display screen electric turnover device, which only needs one swing pull rod, so there is no rod and rod hinge situation, thereby avoiding the uneven stress, deformation and wear caused by rod and rod hinge, which can help to maintain high use performance for a long time, thereby prolonging the service life.

[0004] The technical scheme of the utility model is realized as follows:

[0005] A display screen electric turnover device, comprising a positioning frame, a display screen assembly and a rotary drive mechanism, the display screen assembly is hinged on the positioning frame, and the rotary drive mechanism is arranged on the positioning frame, characterized in that it further comprises a swing pull rod, one end of the swing pull rod is fixed on the power output end of the rotary drive mechanism, the other end of the swing pull rod is connected to the display screen assembly in a relative sliding and relative rotating manner, and the rotary drive mechanism can make the display screen assembly do a turnover action on the positioning frame through the swing pull rod.

[0006] Preferably, the display screen assembly comprises an LCD display screen, a positioning back plate fixedly arranged on the back of the LCD display screen, a hinge lug arranged on the positioning back plate, the hinge lug being hingedly connected with the positioning frame, a connecting lug arranged on the positioning back plate, a driving shaft arranged on one end of the swing pull rod, the driving shaft being slidably and rotatably arranged in the guiding hole.

[0007] Preferably, the hinge lug has two, the two hinge lugs being arranged side by side, one end of the positioning frame being arranged between the two hinge lugs, a hinge shaft being arranged on the one end of the positioning frame and passing through the two hinge lugs.

[0008] Preferably, a convex ring part is arranged on the outer circumferential surface of one end of the hinge shaft, a clamping spring is arranged on the other end of the hinge shaft, and the two hinge lugs are arranged between the convex ring part and the clamping spring.

[0009] Preferably, the hinge lug and the connecting lug are both tab structures formed by stamping the positioning back plate.

[0010] Preferably, the positioning frame comprises a fixed plate and a positioning plate, the fixed plate being hingedly connected with the display screen assembly, the positioning plate being arranged on the fixed plate, and the rotation driving mechanism being arranged on the positioning plate.

[0011] Preferably, the two side edges of the fixed plate are bent in the same direction to form two mutually parallel hinge tabs, the two hinge tabs being hingedly connected with the display screen assembly, an installation gap being arranged on the middle part of one side of the fixed plate and penetrating through the corresponding hinge tab, a clearance gap being arranged on the inner wall of the installation gap, the positioning plate comprising a fixed part and an installation part which are perpendicular to each other, the fixed part being fixed on the back of the fixed plate and the installation part being arranged across the installation gap, the rotation driving mechanism being arranged on the installation part and partially arranged in the installation gap, and the swing pull rod being arranged in the clearance gap.

[0012] Preferably, one end of the fixed plate is bent to form a vertical fixed tab.

[0013] Preferably, a dialing tab is arranged on the display screen assembly, an avoiding slot is arranged on the dialing tab, a detection switch is arranged on the positioning frame, a trigger head of the detection switch is arranged in the avoiding slot, the dialing tab can be flipped with the display screen assembly, the two slot openings of the avoiding slot can touch the trigger head when the dialing tab is flipped, and the rotation driving mechanism can be stopped when the two slot openings of the avoiding slot touch the trigger head.

[0014] Preferably, a control circuit board is arranged on the positioning frame, and the detection switch is connected with the positioning frame through the control circuit board.

[0015] The display screen electric turnover device has the advantages that only one swing pull rod is used on the display screen electric turnover device, one end of the swing pull rod is fixed on the power output end of the rotary driving mechanism, the other end of the swing pull rod is connected to the display screen assembly in a relative sliding and relative rotating mode, and the rotary driving mechanism can make the display screen assembly perform a turnover action on the positioning frame through the swing pull rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective structural schematic view of the display screen electric turnover device in the utility model.

[0017] Figure 2 It is a structural schematic view of the display screen electric turnover device in the utility model in a right view direction.

[0018] Figure 3 It is a structural schematic view of the display screen electric turnover device in the utility model in an unfolded state.

[0019] Figure 4 It is a split structural schematic view of the display screen electric turnover device in the utility model.

[0020] Figure 5 It is a perspective structural schematic view of the positioning frame in the utility model.

[0021] Figure 6 It is a perspective structural schematic view of the fixed plate in the utility model.

[0022] Figure 7 It is a perspective structural schematic view of the positioning plate in the utility model.

[0023] Figure 8 It is a structural schematic view of the rotary driving mechanism and the swing pull rod in the utility model in an assembled state.

[0024] Figure 9 It is a structural schematic view of the utility model applied to a main view direction of a sound box song ordering all-in-one machine.

[0025] Figure 10 It is a structural schematic view of the utility model applied to a right view direction of a sound box song ordering all-in-one machine.

[0026] Figure 11 It is a structural schematic view of the utility model applied to a sound box song ordering all-in-one machine in a folded state.

[0027] Figure 12 It is a structural schematic view of the utility model applied to a television cabinet song ordering all-in-one machine in an unfolded state.

[0028] Figure 13 The utility model discloses a structure schematic diagram of application in the television cabinet song ordering all-in-one machine on the folding state.

[0029] Figure 14 The utility model discloses a structure schematic diagram of application in the television cabinet song ordering all-in-one machine on the main vision direction. DETAILED DESCRIPTION

[0030] As Figures 1 to 3 The utility model discloses a display screen electric turnover device, including positioning frame 1, display screen subassembly 2, rotation drive mechanism 3, display screen subassembly 2 is hinged in positioning frame 1, rotation drive mechanism 3 sets up in positioning frame 1, to realize the invention purpose of the utility model, still including swing pull rod 4, one end of swing pull rod 4 is fixed on the power output end of rotation drive mechanism 3, the other end of swing pull rod 4 can be relatively slid and be connected on display screen subassembly 2 with relatively rotatable, and make rotation drive mechanism 3 can make display screen subassembly 2 do turnover action on positioning frame 1 through swing pull rod 4.

[0031] On the display screen electric turnover device, only a swing pull rod 4 is adopted, by making one end of swing pull rod 4 fixed on the power output end of rotation drive mechanism 3, and making the other end of swing pull rod 4 can be relatively slid and be connected on display screen subassembly 2 with relatively rotatable, also make rotation drive mechanism 3 can make display screen subassembly 2 do turnover action on positioning frame 1 through swing pull rod 4. This will not exist the situation of rod and rod hinged, thereby can avoid the uneven stress, deformation and wear intensification caused by rod and rod hinged, and it can benefit long time to keep high use performance, thereby can benefit to prolong service life.

[0032] Rotation drive mechanism 3 is ordinary motor, eccentric motor or the rotation drive mechanism that is combined together by motor and reduction gearbox, so as to meet normal rotation drive demand.

[0033] As Figure 3 , Figure 4 With Figure 8As shown, the display screen assembly 2 includes an LCD display screen 21, a positioning back plate 22 fixedly arranged on the back of the LCD display screen 21, the positioning back plate 22 is provided with a hinged lug 221, the hinged lug 221 is hinged with the positioning frame 1, the positioning back plate 22 is further provided with a connecting lug 222, the connecting lug 222 is provided with a guide hole 223 with a radial cross section in the shape of a strip, one end of the swing pull rod 4 is provided with a driving shaft 41, the driving shaft 41 is slidably and rotatably embedded in the guide hole 223. The positioning back plate 22 is adopted, and the hinged lug 221 and the connecting lug 222 are arranged on the positioning back plate 22; the hinged lug 221 can be conveniently hinged, which can improve the convenience and stability of the hinge; the connecting lug 222 is arranged, which can accurately and stably realize the sliding and rotating connection between the swing pull rod 4 and the display screen assembly 2, which not only facilitates manufacturing, but also ensures that the assembly has high reliability. Such a display screen assembly 2 can have a very stable and reliable structure, which can facilitate more stable and reliable installation and positioning of the display screen assembly 2. Thus, it is helpful to further improve the reliability and applicability of the display screen electric turnover device.

[0034] As shown in Figure 3 With Figure 4 As shown, the hinged lug 221 has two, the two hinged lugs 221 are arranged side by side, one end of the positioning frame 1 is located between the two hinged lugs 221, a hinge shaft 23 is arranged on one end of the positioning frame 1, and the hinge shaft 23 passes through the two hinged lugs 221. This can make the hinged installation of the display screen assembly 2 and the positioning frame 1 more stable and reliable, thereby helping to further improve the reliability and applicability of the display screen electric turnover device.

[0035] As shown in Figure 3 With Figure 4 As shown, the outer circumferential surface of one end of the hinge shaft 23 is provided with a convex ring part 231, a circlip 232 is clamped on the other end of the hinge shaft 23, and the two hinged lugs 221 are located between the convex ring part 231 and the circlip 232. This not only facilitates manufacturing, but also facilitates more stable and reliable hinging, thereby further improving the reliability and applicability of the display screen electric turnover device.

[0036] As shown in Figure 4 As shown, the hinged lug 221 and the connecting lug 222 are both lugs formed by stamping from the positioning back plate 22. In this way, the hinged lug 221 and the connecting lug 222 both have high structural strength, thereby helping to further improve the stability and reliability of the hinge and the turnover, and further helping to further improve the reliability and applicability of the display screen electric turnover device.

[0037] As shown in Figures 3 to 5As shown in the figure, the positioning frame 1 comprises a fixed plate 11 and a positioning plate 12, the fixed plate 11 is hinged with the display screen assembly 2, the positioning plate 12 is arranged on the fixed plate 11, and the rotating drive mechanism 3 is arranged on the positioning plate 12. This can make the positioning frame 1 have a simple and reliable structure, which not only facilitates manufacturing, but also helps to obtain high reliability, thereby helping to further improve the reliability and applicability of the display screen electric turnover device.

[0038] As shown in the figure, Figures 3 to 7 the two side edges of the fixed plate 11 are bent in the same direction to form two mutually parallel hinged tabs 111, the two hinged tabs 111 are hinged with the display screen assembly 2, a mounting gap 112 is formed in the middle of one side of the fixed plate 11, and the mounting gap 112 penetrates the corresponding hinged tab 111, a gap 113 is formed in the inner wall of the mounting gap 112, the positioning plate 12 comprises a fixed part 121 and a mounting part 122, the fixed part 121 is fixed on the back of the fixed plate 11, and the mounting part 122 is arranged across the mounting gap 112, the rotating drive mechanism 3 is arranged on the mounting part 122, and part of the rotating drive mechanism 3 is arranged in the mounting gap 112, and the swing pull rod 4 is arranged in the gap 113. This not only facilitates to improve the hinge strength of the fixed plate 11 and the display screen assembly 2, but also facilitates to improve the stability and reliability of the rotating drive mechanism 3 installation positioning, and the overall structure is relatively compact, thereby facilitating the use in more environments, and further improving the reliability and applicability of the display screen electric turnover device.

[0039] As shown in the figure, Figure 6 one end of the fixed plate 11 is bent to form a vertical fixed tab 114. This can facilitate the lateral fixation and installation of the positioning frame 1, thereby facilitating the improvement of the installation diversity, and further improving the reliability and applicability of the display screen electric turnover device.

[0040] As shown in the figure, Figures 2 to 4 the display screen assembly 2 is provided with a push tab 24, the push tab 24 is provided with an avoidance slot 241, the positioning frame 1 is provided with a detection switch 5, and the trigger head 51 of the detection switch 5 is arranged in the avoidance slot 241, the push tab 24 can be turned with the display screen assembly 2, and the two slot openings of the avoidance slot 241 can touch the trigger head 51 when the push tab 24 is turned, and the rotating drive mechanism 3 can be stopped when the two slot openings of the avoidance slot 241 touch the trigger head 51. This not only ensures that the overall structure of the display screen electric turnover device is simple, but also facilitates to achieve the purpose of accurately stopping the display screen assembly 2, thereby helping to further improve the reliability and applicability of the display screen electric turnover device.

[0041] As shown in the figure, Figures 2 to 4As shown, the positioning frame 1 is provided with a control circuit board 6, and the detection switch 5 is connected with the positioning frame 1 through the control circuit board 6. This not only can reduce the difficulty of installation and positioning, but also can reduce the difficulty of arranging wires, thereby helping to further improve the applicability of the display screen electric turnover device.

[0042] The rotation driving mechanism 3 and the detection switch 5 are electrically connected with the control circuit board 6. When the rotation driving mechanism 3 is started to drive the display screen assembly 2 to open, the toggle tab 24 rotates with the display screen assembly 2. When the slot wall of the avoidance slot 241 touches the trigger head 51 of the detection switch 5, the display screen assembly 2 is just opened to the right position, and the trigger head 51 sends information to the control circuit board 6 after being triggered, and the rotation driving mechanism 3 stops when the control circuit board 6 receives the relevant signal, so that the display screen assembly 2 can be accurately stopped in the open state. When the rotation driving mechanism 3 is started again, the rotation driving mechanism 3 reversely drives the display screen assembly 2 to fold, and at this time, the toggle tab 24 also rotates with the display screen assembly 2. When the other slot wall of the avoidance slot 241 touches the trigger head 51 of the detection switch 5, the display screen assembly 2 is just folded to the right position, and the trigger head 51 sends information to the control circuit board 6 after being triggered, and the rotation driving mechanism 3 stops when the control circuit board 6 receives the relevant signal, so that the display screen assembly 2 can be accurately stopped in the folded state. In this way, the normal opening and folding requirements can be met.

[0043] As shown in the figure, Figures 2 to 4 The toggle tab 24 is arranged on the hinge lug 221, and the control circuit board 6 is arranged on the hinge lug 111. In this way, the manufacturing difficulty can be reduced, thereby improving the applicability.

[0044] As shown in the figure, Figures 9 to 14 In actual use, the display screen electric turnover device can be applied to sound box and song ordering integrated machines, television cabinet and song ordering integrated machines and the like, and can meet various use requirements.

[0045] The above embodiments are preferred embodiments of the present application, and any similar structure and equivalent changes made shall belong to the protection scope of the present application.

Claims

1. A device for electrically turning over a display screen, comprising a positioning frame (1), a display screen assembly (2), and a rotating drive mechanism (3), the display screen assembly (2) being hinged to the positioning frame (1), and the rotating drive mechanism (3) being arranged on the positioning frame (1), characterized in that: It also comprises a swing pull rod (4), one end of which is fixed on the power output end of the rotary driving mechanism (3), the other end of which is relatively slidably and rotatably connected on the display screen assembly (2), and the rotary driving mechanism (3) can make the display screen assembly (2) do a flip action on the positioning frame (1) through the swing pull rod (4).

2. The device according to claim 1, wherein: The display screen assembly (2) comprises an LCD display screen (21) and a positioning back plate (22), the positioning back plate (22) is fixedly arranged on the back of the LCD display screen (21), the positioning back plate (22) is provided with a hinged lug (221), the hinged lug (221) is hinged with the positioning frame (1), the positioning back plate (22) is also provided with a connecting lug (222), the connecting lug (222) is provided with a guide hole (223) with a radial cross section in the shape of a strip, one end of the swing pull rod (4) is provided with a driving shaft (41), the driving shaft (41) is slidably and rotatably embedded in the guide hole (223).

3. The device of claim 2, wherein: The hinged lug (221) has two, the two hinged lugs (221) are arranged side by side, one end of the positioning frame (1) is arranged between the two hinged lugs (221), a hinged shaft (23) is arranged on one end of the positioning frame (1), and the hinged shaft (23) passes through the two hinged lugs (221).

4. The device of claim 3, wherein: The outer circumferential surface of one end of the hinged shaft (23) is provided with a convex ring part (231), the other end of the hinged shaft (23) is clamped with a clamping spring (232), and the two hinged lugs (221) are located between the convex ring part (231) and the clamping spring (232).

5. A device for motorised inversion of a display screen according to any one of claims 2 to 4, characterised in that: The hinged lug (221) and the connecting lug (222) are both lugs formed by stamping the positioning back plate (22).

6. The device of claim 1, wherein: The positioning frame (1) comprises a fixed plate (11) and a positioning plate (12), the fixed plate (11) is hinged with the display screen assembly (2), the positioning plate (12) is arranged on the fixed plate (11), and the rotary driving mechanism (3) is arranged on the positioning plate (12).

7. The device of claim 6, wherein: The two side edges of the fixed plate (11) are bent in the same direction to form two hinged lugs (111) parallel to each other, the two hinged lugs (111) are hinged with the display screen assembly (2), a mounting notch (112) is arranged on the middle of one side of the fixed plate (11), the mounting notch (112) penetrates the corresponding hinged lug (111), a displacement notch (113) is arranged on the inner wall of the mounting notch (112), the positioning plate (12) comprises a fixed part (121) and a mounting part (122) perpendicular to each other, the fixed part (121) is fixed on the back of the fixed plate (11), the mounting part (122) is arranged across the mounting notch (112), the rotary driving mechanism (3) is arranged on the mounting part (122), and part of the rotary driving mechanism (3) is arranged in the mounting notch (112), and the swing pull rod (4) is arranged in the displacement notch (113).

8. A device for motorised turning of a display screen according to claim 6 or 7, characterised in that: One end of the fixed plate (11) is bent to form a vertical fixed lug (114).

9. The device of claim 1, wherein: The display screen assembly (2) is provided with a knob (24), the knob (24) is provided with an avoiding slot (241), the positioning frame (1) is provided with a detection switch (5), and the trigger head (51) of the detection switch (5) is arranged in the avoiding slot (241), the knob (24) can be turned over with the display screen assembly (2), and the two slot edges of the avoiding slot (241) can touch the trigger head (51) when the knob (24) is turned over, and the rotary drive mechanism (3) can be stopped when the two slot edges of the avoiding slot (241) touch the trigger head (51).

10. The device of claim 9, wherein: The positioning frame (1) is provided with a control circuit board (6), and the detection switch (5) is connected with the positioning frame (1) through the control circuit board (6).

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