CN113551122A

CN113551122A - Back-turnover intelligent conference system and screen turner

Info

Publication number: CN113551122A
Application number: CN202110801897.8A
Authority: CN
Inventors: 文明栋; 任强; 邬光取
Original assignee: Shenzhen Infree Digital Technology Co ltd
Current assignee: Shenzhen Infree Digital Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-10-26

Abstract

The invention discloses a rear-turning type intelligent conference system and a screen turner, which comprise a shell, wherein one end surface of the shell is provided with an opening communicated with the inside, and the side of the shell, which is provided with the opening, is a mounting surface; tilting mechanism includes fixed connection in the driving motor of casing and the screen installing frame that is used for installing the screen, the screen installing frame articulates in the casing, tilting mechanism still includes with driving motor power transmission to screen installing frame and make the linkage of screen installing frame upset, this application has the effect of alleviating the screen turner upset screen in-process and influencing the meeting.

Description

Back-turnover intelligent conference system and screen turner

Technical Field

The invention relates to the field of intelligent conference systems, in particular to a rear-turning type intelligent conference system and a screen turner.

Background

The liquid crystal screen turner is often applied to various high-grade conference halls, trading halls, advanced multimedia network systems and office furniture places. The turner is generally suitable for a small liquid crystal display (suitable for individuals only), when the turner is opened, the liquid crystal display can be automatically turned to a required angle, and the keyboard can be automatically lifted to be flush with the desktop. When not in use, the display screen can be automatically turned and hidden in the desktop, and the desk has the functions of preventing dust, keeping the desktop flat, beautifying the desktop and the like.

At present, the screen is overturned by utilizing chain transmission power in a common structure for driving the screen to overturn in a liquid crystal screen overturning device, but the inventor thinks that great noise can occur when a chain transmits kinetic energy, so that the defect of disturbing meeting is caused.

Disclosure of Invention

In order to relieve the influence of the liquid crystal screen turner for turning the screen on the conference, the invention provides a screen turner of a rear turning type intelligent conference system, which comprises a shell, wherein one end surface of the shell is provided with an opening communicated with the inside, and the side of the shell, which is provided with the opening, is an installation surface; the turnover mechanism comprises a driving motor fixedly connected to the shell and a screen mounting frame used for mounting the screen, the screen mounting frame is hinged to the shell, and the turnover mechanism further comprises a connecting rod group which transmits the power of the driving motor to the screen mounting frame and enables the screen mounting frame to turn over.

Through adopting above-mentioned technical scheme, when needing the upset screen, driving motor starts and through the linkage with power transmission to the screen installing frame of installing the screen to realize the upset of screen. Compared with the prior art, the noise is lower during the transmission of the connecting rod group, the noise in the screen overturning process is reduced, and the influence on the conference when the liquid crystal screen overturning device overturns the screen is relieved.

Optionally, the linkage includes that one end fixed connection is in the first connecting rod of driving motor main shaft, the other end of first connecting rod articulates there is the second connecting rod, the one end and the screen installing frame of second connecting rod are articulated, the axis of articulation between first connecting rod and the second connecting rod, the axis of articulation between second connecting rod and the screen installing frame and the axis of rotation between screen installing frame and the casing all are parallel with driving motor's main shaft.

Through adopting above-mentioned technical scheme, driving motor drives first connecting rod and rotates, moves with first connecting rod articulated second connecting rod to drive the upset of screen installing frame, simple structure, the reliability is high.

Optionally, elevating system includes sliding connection in the mount pad of casing, sliding connection in the regulating part of casing and the driving piece that the drive regulating part slided, the mount pad is used for installing keyboard, the mount pad is along the direction sliding connection who is close to or keeps away from mounting surface in the casing, regulating part sliding direction is on a parallel with mounting surface, the regulating part is seted up the lift groove that the slope set up, the lift groove extends and inclines towards regulating part sliding direction along the direction that is close to mounting surface, the mount pad is connected with the bulge that extends to the lift inslot, drive the mount pad when the regulating part slides and slide.

Through adopting above-mentioned technical scheme, driving piece drive regulating part slides, thereby the lateral wall in lift groove can exert thrust to the bulge and make the mount pad rise, realizes the rising of keyboard.

Optionally, a plurality of guide grooves perpendicular to the mounting surface are formed in two side walls of the rotation axis of the housing perpendicular to the screen mounting frame, two sides of the mounting seat are rotatably connected with two guide rollers at least, the guide rollers are located in the guide grooves and roll in the guide grooves when the mounting seat slides.

Through adopting above-mentioned technical scheme, when the mount pad slided, guide roller rolled in the guide way, frictional force when reducing the mount pad and slided also reduces the noise that produces when the mount pad removes.

Optionally, the guide roller includes a first guide wheel and a second guide wheel, the protruding portion is the first guide wheel, and the first guide wheel is located in the guide groove and the lifting groove.

Through adopting above-mentioned technical scheme, first leading wheel is the mount pad direction, also is used for transmitting the thrust that the regulating part applyed, and the structure is compacter. On the other hand, when the first guide wheel transmits the thrust force, the first guide wheel rotates in the lifting groove, so that the friction force between the protruding part and the adjusting part is reduced, and the noise in the lifting process of the keyboard is reduced.

Optionally, the shell is internally and rotatably connected with a limiting roller, the adjusting piece is provided with a limiting groove along the sliding direction of the adjusting piece, and the limiting roller penetrates through the limiting groove and can roll in the limiting groove.

Through adopting above-mentioned technical scheme, reduce the frictional force of regulating part in-process that slides to reduce the noise of keyboard lift in-process.

Optionally, the driving piece includes fixed connection in the ejector pad of one end screen installing frame, the ejector pad is contradicted in the regulating part, the screen installing frame rotates and drives the ejector pad and remove and slide in order to promote the regulating part, the one end that the guide way is close to the mounting surface is to the position slope at ejector pad place.

Through adopting above-mentioned technical scheme, thereby the upset of screen installing frame drives the ejector pad and removes, and the ejector pad removes and promotes the regulating part and slide to screen upset and the ascending synchronization of keyboard have been realized, simple structure, and it is more convenient to operate.

Optionally, a spring for driving the adjusting member to move is connected to the housing, and the spring is deformed and applies a force to the adjusting member to move towards the pushing block.

Through adopting above-mentioned technical scheme, close the back when screen installing frame upset lid, at the effect of spring action, the regulating part is to sliding of ejector pad to realized that screen upset and keyboard descend and realized the linkage, simple structure, it is more convenient to operate.

Optionally, the adjusting piece is provided with a stabilizing groove along the sliding direction of the adjusting piece, and one end of the stabilizing groove, which is far away from the push block, is communicated with the lifting groove.

Through adopting above-mentioned technical scheme, the upset of screen installing frame is and promote the regulating part and remove, and until first leading wheel gets into stable inslot, can continue to overturn the screen installing frame this moment, the angle of regulation screen is in order to adapt to different people's demand to can not influence and install the keyboard on the mount pad. On the other hand, when applying pressure to the mount pad, the screen installing frame can not take place to deflect, and when using the keyboard promptly, the timely applied force gas ratio is big, and the keyboard can not take place to subside yet, and the screen can not take place to deflect.

The utility model provides a back upset intelligence conference system, screen turner, the LCD screen is installed to the screen installing frame, install the keyboard on the mount pad.

Through adopting above-mentioned technical scheme, when needing the upset screen, driving motor starts and through the linkage with power transmission to the screen installing frame of installing the screen to realize the upset of screen. Compared with the prior art, the noise is lower during the transmission of the connecting rod group, the noise in the screen overturning process is reduced, and the influence of the liquid crystal screen overturning device on the conference is relieved.

In summary, the present application has at least one of the following technical effects:

when the screen needs to be turned over, the driving motor drives the first connecting rod to rotate, and the second connecting rod hinged to the first connecting rod moves, so that the screen mounting frame is driven to turn over, and the screen is turned over. Compared with the prior art, the noise is lower during the transmission of the connecting rod group, the noise in the screen overturning process is reduced, and the influence of the liquid crystal screen overturning device on the conference is relieved.

And secondly, the pushing block is driven to move when the screen mounting frame is turned, the pushing block moves and pushes the adjusting piece to slide, so that the screen turning and the keyboard rising are synchronized, the structure is simple, and the operation is more convenient.

Thirdly, a stabilizing groove is formed in the adjusting piece along the sliding direction of the adjusting piece, and one end, far away from the push block, of the stabilizing groove is communicated with the lifting groove. When first leading wheel got into in the stable groove from the lift groove, can continue to overturn the screen installing frame to the angle of adjusting the screen can not change because of the angle modulation of screen on the mount pad with the demand of adapting to different people, the keyboard of installing on the mount pad. On the other hand, when applying pressure to the mount pad, the screen installing frame can not take place to deflect, and when the keyboard was used to the power gas ratio that applies was great promptly, the keyboard can not take place to subside yet, and the screen can not take place to deflect.

Drawings

Fig. 1 is a perspective view illustrating an overall structure of a rear flip intelligent conference system according to an embodiment of the present application.

Fig. 2 is a sectional view of the turnover mechanism in the embodiment 1 of the present application.

Fig. 3 is an exploded view for showing a lifting mechanism in embodiment 1 of the present application.

Fig. 4 is a sectional view for showing a lifting mechanism in embodiment 2 of the present application.

Description of reference numerals:

100. a housing; 101. a mounting surface; 200. a turnover mechanism; 201. a drive motor; 203. a screen mounting frame; 204. a linkage; 205. a first link; 206. a second link; 300. a lifting mechanism; 301. a mounting seat; 302. an adjustment member; 303. a drive member; 304. a panel; 305. a keyboard slot; 306. a mouse slot; 307. a support bar; 308. a guide roller; 309. a guide groove; 310. a first guide wheel; 311. a second guide wheel; 314. a sliding plate; 315. a limiting groove; 316. limiting the idler wheel; 317. a lifting groove; 318. a push block; 319. is abutted against the roller; 320. a stabilizing slot; 321. a spring; 322. a stop lever; 400. a liquid crystal screen; 500. a keyboard.

Detailed Description

Referring to fig. 1, the present application discloses a rear flip intelligent conference system, which includes a screen flip, a liquid crystal display 400 mounted on the screen flip, and a keyboard 500.

Example 1

Referring to fig. 1, the screen inverter includes a housing 100, and the housing 100 is generally embedded in a conference table with an upper surface thereof being flush with a table top. The upper surface of the housing 100 is referred to as a mounting surface 101. The housing 100 is opened at the mounting surface 101 to communicate with the inside.

Referring to fig. 2, a turnover mechanism 200 for turning over a liquid crystal panel 400 is installed in a case 100. Flipping mechanism 200 has two states, one being an open state and the other being a closed state. In the open state, the lcd 400 is turned over to be vertical for the participants to use. In the closed state, the liquid crystal panel 400 is turned over to be horizontal, and the opening of the case 100 is closed.

Referring to fig. 2, a lifting mechanism 300 for driving the keyboard 500 to lift is further installed in the housing 100, and when the turnover mechanism 200 is in the open state, the lifting mechanism 300 drives the keyboard 500 to lift to the top dead center. When the keyboard 500 is positioned at the top dead center, the surface of the keyboard 500 is flush with the mounting surface 101. When the turnover mechanism 200 is in the closed state, the lifting mechanism 300 drives the keyboard 500 to descend and enter the housing 100.

Referring to fig. 2, the turnover mechanism 200 includes a driving motor 201, a screen mounting frame 203, and a linkage 204. The screen mounting frame 203 is used for mounting the liquid crystal screen 400, the driving motor 201 transmits power to the linkage 204, and the linkage 204 transmits the power to the screen mounting frame 203, so that the liquid crystal screen 400 is turned over.

Referring to fig. 2, a screen mounting frame 203 is located at the opening and is hinged to the case 100. A hinge axis of the hinge between the screen mounting frame 203 and the casing 100 is near a lower end of the screen mounting frame 203. The lower end of the screen mounting frame 203 is the lower end of the screen mounting frame 203 when the turnover mechanism 200 is in the open state.

Referring to fig. 2, the linkage 204 includes a first link 205 and a second link 206. The length of the first link 205 is smaller than that of the second link 206, and one end of the second link 206 is hinged to the lower end of the screen mounting frame 203 and the other end thereof is hinged to one end of the first link 205. One end of the first connecting rod 205 far away from the second connecting rod 206 is fixedly connected with the main shaft of the driving motor 201. Hinge axes between the screen mounting frame 203 and the casing 100, between the screen mounting frame 203 and the second link 206, and between the first link 205 and the second link 206 are all parallel to a main shaft of the driving motor 201.

Referring to fig. 2, a driving motor 201 is fixedly connected to the bottom of the housing 100 by bolts, and the driving motor 201 is a stepping motor or a servo motor.

Referring to fig. 2 and 3, the elevating mechanism 300 includes a mount 301, an adjusting member 302, and a driving member 303. The mounting seat 301 is vertically slidably connected in the housing 100. The adjusting piece 302 transmits the power of the driving piece 303 to the mounting base 301, thereby controlling the vertical sliding of the mounting base 301.

Referring to fig. 2 and 3, the mount 301 includes a horizontally disposed panel 304. The front panel 304 defines a keyboard slot 305 for receiving the keyboard 500. The mounting seat 301 is recessed downward at a position close to the screen mounting frame 203 to form a mouse groove 306, and the mouse groove 306 can accommodate a mouse.

Referring to fig. 2 and 3, the mounting base 301 further includes four support rods 307 fixedly connected to two ends of the panel 304 by bolts, and two support rods 307 are provided at two ends of the panel 304. The support bars 307 are disposed in the housing 100, and two guide rollers 308 are rotatably connected to one end of each support bar 307 near the side wall of the housing 100. Two side walls of the casing 100 close to the support rod 307 are both vertically provided with two guide grooves 309, and two guide rollers 308 rotatably connected to the same support rod 307 are positioned in the same guide groove 309. The guide rollers 308 include two types, an upper one of the guide rollers 308 is a first guide wheel 310, and a lower one thereof is a second guide wheel 311. When the mount 301 is lifted, the guide roller 308 rolls in the guide groove 309.

Referring to fig. 3, the adjusting member 302 includes two sliding plates 314, and the two sliding plates 314 are slidably connected to the side walls of the housing 100, which are opened with the guide slots 309, respectively. The sliding plate 314 is provided with two horizontally disposed limiting grooves 315, and the side wall of the housing 100 provided with the guiding groove 309 is rotatably connected with two limiting rollers 316. The limiting rollers 316 correspond to the limiting grooves 315 one-to-one, and the limiting rollers 316 penetrate through the limiting grooves 315 and can roll in the limiting grooves 315. The end of the side wall of the limit roller 316 away from the housing 100 is integrally formed with a protruding ring, which abuts against the side of the sliding plate 314 away from the side wall of the housing 100.

Referring to fig. 3, the sliding plate 314 is provided with a lifting groove 317 which is obliquely arranged, the upper end of the lifting groove 317 inclines towards one side of the hinge axis of the screen mounting frame 203, the mounting base 301 is connected with a protruding part which extends into the lifting groove 317, and when the sliding plate 314 slides away from the screen mounting frame 203, the sliding plate 314 drives the mounting base 301 to slide upwards. In this embodiment, the protrusion is a first guide wheel 310, and the first guide wheel 310 is located in the guide groove 309 and the lifting groove 317 at the same time.

Referring to fig. 3, the driving member 303 includes two pushing blocks 318 fixedly connected to the screen mounting frame 203, and the pushing blocks 318 are respectively located at two corners of the lower end of the screen mounting frame 203.

Referring to fig. 3, the pushing block 318 is used for abutting against the adjusting member 302, and the screen mounting frame 203 rotates and drives the pushing block 318 to move so as to push the adjusting member 302 to slide. The adjusting member 302 further includes an interference roller 319, the interference roller 319 is rotatably connected to the sliding plate 314, and the pushing block 318 interferes with the interference roller 319. When the screen mounting frame 203 is turned vertically, the pushing block 318 pushes the abutting roller 319 to move in a direction away from the screen mounting frame 203. The driving member 303 may also be an electric pushing cylinder for pushing the adjusting member 302 to move.

Referring to fig. 3, the side wall of the housing 100 provided with the guide groove 309 is further fixedly connected with a stop lever 322 through a bolt, the stop lever 322 abuts against the side wall of the support rod 307 away from the guide roller 308, the stop lever 322 is provided with two through holes, and the two through holes are aligned with the limit groove 315.

The implementation principle of the back flip intelligent conference system in the embodiment of the application is as follows: when meeting system needs to be used, the driving motor 201 is started, the driving motor 201 drives the first connecting rod 205 to rotate, and the second connecting rod 206 hinged with the first connecting rod 205 moves, so that the screen mounting frame 203 is driven to overturn, the screen mounting frame 203 is made to overturn in a vertical state, and the liquid crystal screen 400 is also in a vertical setting. When the screen installation frame 203 is turned over, the push block 318 is driven to move, the push block 318 moves and pushes the adjusting piece 302 to slide and move towards the direction far away from the screen installation frame 203, and the adjusting piece 302 drives the installation seat 301 to ascend, so that the keyboard 500 is driven to ascend.

After the conference system is used, the driving motor 201 is started to rotate in the opposite direction, so that the screen mounting frame 203 rotates to be in a horizontal state, and the mounting seat 301 descends into the shell 100 under the action of gravity.

Compared with the prior art, the noise is smaller when the connecting rod group 204 is in transmission, the noise in the overturning process of the liquid crystal screen 400 is reduced, and the influence of the overturning device of the liquid crystal screen 400 on the conference is relieved.

Example 2

Referring to fig. 4, the screen inverter, different from embodiment 1, is: the sliding plate 314 is opened with a stabilizing groove 320 along the sliding direction, and one end of the stabilizing groove 320 far from the pushing block 318 is communicated with the upper end of the lifting groove 317. A spring 321 is connected to the sliding plate 314, and the spring 321 is a tension spring having one end connected to the sliding plate 314 and the other end connected to the side wall of the housing 100, and applies a pulling force to the sliding plate 314 to move the pushing block 318.

The implementation principle of the embodiment 2 is different from that of the embodiment 1: the screen mounting frame 203 is turned over and pushes the adjusting member 302 to move until the first guide wheel 310 enters the stabilizing slot 320, at this time, the screen mounting frame 203 can be turned over continuously, the angle of the liquid crystal screen 400 is adjusted to meet the requirements of different people, and the height of the keyboard 500 mounted on the mounting base 301 is not affected. On the other hand, when pressure is applied to the mounting base 301, the screen mounting frame 203 cannot deflect, namely, when the keyboard 500 is used, the timely applied force is large, the keyboard 500 cannot settle, and the screen cannot deflect.

Claims

1. A screen turner of a rear turning type intelligent conference system comprises a shell (100), wherein one end face of the shell (100) is provided with an opening communicated with the inside, and the side, provided with the opening, of the shell (100) is provided with a mounting surface (101); the method is characterized in that: the turnover mechanism (200) comprises a driving motor (201) fixedly connected to the shell (100) and a screen mounting frame (203) used for mounting the screen, the screen mounting frame (203) is hinged to the shell (100), and the turnover mechanism (200) further comprises a connecting rod group (204) which transmits the power of the driving motor (201) to the screen mounting frame (203) and enables the screen mounting frame (203) to turn.

2. The screen inverter of the rear flip intelligent conference system as claimed in claim 1, wherein: the linkage (204) comprises a first connecting rod (205) with one end fixedly connected to the main shaft of the driving motor (201), the other end of the first connecting rod (205) is hinged to a second connecting rod (206), one end of the second connecting rod (206) is hinged to the screen mounting frame (203), and a hinge axis between the first connecting rod (205) and the second connecting rod (206), a hinge axis between the second connecting rod (206) and the screen mounting frame (203) and a rotation axis between the screen mounting frame (203) and the shell (100) are parallel to the main shaft of the driving motor (201).

3. The screen inverter of the rear flip intelligent conference system as claimed in claim 2, wherein: the lifting mechanism (300) comprises a mounting seat (301) which is connected with the shell (100) in a sliding way, an adjusting piece (302) which is connected with the shell (100) in a sliding way and a driving piece (303) which drives the adjusting piece (302) to slide, the mounting seat (301) is used for mounting the keyboard (500), the mounting seat (301) is connected with the shell (100) in a sliding way along the direction close to or far away from the mounting surface (101), the sliding direction of the adjusting piece (302) is parallel to the installation surface (101), the adjusting piece (302) is provided with an obliquely arranged lifting groove (317), the lifting groove (317) extends along the direction close to the mounting surface (101) and inclines towards the sliding direction of the adjusting piece (302), the mounting seat (301) is connected with a protruding part extending into the lifting groove (317), and the adjusting piece (302) is driven to slide when sliding.

4. The screen inverter of the rear flip intelligent conference system as claimed in claim 3, wherein: two side walls of the shell (100) perpendicular to the rotation axis of the screen mounting frame (203) are provided with a plurality of guide grooves (309) perpendicular to the mounting surface (101), two sides of the mounting seat (301) are at least rotatably connected with two guide rollers (308), the guide rollers (308) are located in the guide grooves (309) and roll in the guide grooves (309) when the mounting seat (301) slides.

5. The screen inverter of the rear flip intelligent conference system according to claim 4, wherein: the guide roller (308) comprises a first guide wheel (310) and a second guide wheel (311), the protruding part is the first guide wheel (310), and the first guide wheel (310) is located in the guide groove (309) and the lifting groove (317).

6. The screen inverter of the rear flip intelligent conference system as claimed in claim 3, wherein: the limiting idler wheel (316) is rotatably connected in the shell (100), a limiting groove (315) is formed in the adjusting piece (302) along the sliding direction of the adjusting piece, and the limiting idler wheel (316) penetrates through the limiting groove (315) and can roll in the limiting groove (315).

7. The screen inverter of the rear flip intelligent conference system according to claim 4, wherein: the driving piece (303) comprises a pushing block (318) fixedly connected to one end of the screen mounting frame (203), the pushing block (318) abuts against the adjusting piece (302), the screen mounting frame (203) rotates and drives the pushing block (318) to move so as to push the adjusting piece (302) to slide, and one end, close to the mounting surface (101), of the guide groove (309) inclines to the position where the pushing block (318) is located.

8. The screen inverter of the rear flip intelligent conference system as claimed in claim 7, wherein: the shell (100) is connected with a spring (321) for driving the adjusting piece (302) to move, and the spring (321) is deformed and applies force to the adjusting piece (302) to move towards the pushing block (318).

9. The screen inverter of the rear flip intelligent conference system as claimed in claim 8, wherein: the adjusting piece (302) is provided with a stabilizing groove (320) along the sliding direction, and one end of the stabilizing groove (320) far away from the push block (318) is communicated with the lifting groove (317).

10. The utility model provides a turn over intelligent conference system after which characterized in that: comprising the screen inverter of any of claims 1-9, said screen mounting frame (203) having a liquid crystal screen (400) mounted thereon, said mounting base (301) having a keypad (500) mounted thereon.