CN215410981U - Screen rotatable formula meeting jacking equipment - Google Patents

Abstract

The utility model relates to a screen rotatable meeting lifting device, which comprises a display mechanism and a lifting mechanism, wherein the display mechanism is arranged on the lifting mechanism and can horizontally rotate around a vertical shaft; the lifting mechanism can drive the display mechanism to lift. The utility model has the advantages that the display mechanism has a hiding function, can be accommodated in the outer box, saves space and is simple and clear; in addition, the angle of the display mechanism can be adjusted by a user according to the requirement, and the use is convenient.

Description

Screen rotatable formula meeting jacking equipment

Technical Field

The utility model relates to the technical field of conference equipment, in particular to conference lifting equipment with a rotatable screen.

Background

The display screen on the existing lifting conference display terminal equipment is mainly fixed on the equipment through a support and a base, and the display screen cannot rotate left and right in the using process and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a conference lifting device with a rotatable screen.

The technical scheme for solving the technical problems is as follows:

a screen rotatable meeting lifting device comprises a display mechanism and a lifting mechanism, wherein the display mechanism is mounted on the lifting mechanism and can horizontally rotate around a vertical shaft; the lifting mechanism can drive the display mechanism to lift.

The utility model has the beneficial effects that: in the using process, the display mechanism can be driven to ascend to a set position for use through the lifting mechanism or descend to the set position for storage, so that the desktop is simple when not used; in addition, the user can rotate the display mechanism to a set position according to the self requirement, so that the user can conveniently watch the display mechanism, and the use is very convenient. The utility model has the hiding function, can realize the storage of the display mechanism, saves the space, and is simple and clear; in addition, the angle of the display mechanism can be adjusted by a user according to the requirement, and the use is convenient.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the lifting mechanism comprises a base, a rotating shaft is vertically arranged on the base, and the rotating shaft can rotate around the self axial direction and is positioned; the display mechanism is fixedly arranged on the rotating shaft.

The beneficial effect who adopts above-mentioned further scheme is that display mechanism is connected with the base through the rotation axis that can rotate and fix a position, simple structure, and convenient rotatory display mechanism.

Further, be equipped with the mounting groove in the base, the rotation axis is located in the mounting groove, its upper end extend to outside the mounting groove, and with display mechanism fixed connection.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design, the pivot axis part is located the mounting groove, saves space.

Further, the mounting groove is thin thick structure down, the rotation axis corresponds the coaxial gliding cover in position of the thick portion of mounting groove is equipped with the spring, the upper end of spring is supported on the wall of the thick portion of mounting groove, the lower extreme with the rotation axis butt.

The display mechanism is separated from the base by the aid of the elastic force of the spring, so that the display mechanism is prevented from rubbing the base in the rotating process, friction force is reduced, and the display mechanism is convenient to rotate; in addition, in the rotating process of the display mechanism, the spring is always in a compression state, and the spring can limit the display mechanism, so that the stability of the display mechanism is improved.

Further, the rotation axis corresponds the inside position fixedly connected with limiting plate of mounting groove, the bottom of mounting groove is equipped with the spacing groove, but the limiting plate level pivoted is installed the spacing inslot, the limiting plate and/or have on the spacing groove and be used for the restriction rotation angle of rotation's stop gear.

The beneficial effects of adopting above-mentioned further scheme are that during the adjustment, rotation axis pivoted in-process, the limiting plate rotates along with the rotation axis to realize the spacing to the rotation axis through stop gear, avoid display mechanism to rotate excessively, simple structure, reasonable in design.

Further, stop gear includes spacing arch and stopper, spacing protruding fixed mounting be in the spacing groove, stopper fixed mounting be in on the limiting plate, but the stopper level rotate to with spacing protruding separation or with spacing bellied arbitrary side offsets.

The beneficial effects of adopting above-mentioned further scheme are that during the adjustment, rotation axis pivoted in-process, the limiting plate rotates along with the rotation axis, and the stopper to it offsets or separates with spacing bellied both sides, realizes that display mechanism revolves about the spacing, avoids display mechanism to rotate excessively, simple structure, reasonable in design.

Furthermore, the lifting mechanism also comprises a lifting box, and the lifting box can move up and down and be positioned; the base is fixedly arranged on the lifting box.

The beneficial effects of adopting above-mentioned further scheme are that the lift box reciprocates to drive base and display mechanism and reciprocate, realize display mechanism's lift, facilitate the use, save space.

Further, elevating system still includes drive assembly, drive assembly with the box transmission that goes up and down is connected for the drive the box that goes up and down.

The beneficial effects of adopting above-mentioned further scheme are that when using, go up and down through drive assembly drive lift box, realize the automatic rising of lift box, degree of automation is high, labour saving and time saving.

The lifting box is characterized by further comprising an outer box and a triggering mechanism, wherein the top of the outer box is provided with a through opening for the display mechanism to pass through, and the lifting box is positioned in the outer box; the trigger mechanism is in communication connection with the driving assembly and is used for detecting whether the display mechanism is parallel to the opening or not and sending a corresponding signal to the driving assembly.

The further scheme has the advantages that the whole equipment is protected through the outer box, the equipment is protected, and the circuit can be integrated in the outer box, so that the circuit is concise and clear; in addition, when display mechanism rotated to and the opening parallel, trigger mechanism detected display mechanism to give drive assembly with corresponding signal transmission, drive assembly starts and drives lift box, base and display mechanism lift, can pass through the opening smoothly with the assurance display mechanism, avoids display mechanism and outer container to bump, protection display mechanism.

Further, the lifting device further comprises a fixing mechanism, and the fixing mechanism is used for fixing the display mechanism during lifting.

The beneficial effects of adopting above-mentioned further scheme are that display mechanism's in-process goes up and down, fixes a position display mechanism through fixed establishment, increases display mechanism's stability, avoids it to collide with other parts, protects display mechanism.

Drawings

FIG. 1 is a front view of the present invention with the display screen raised;

FIG. 2 is a side view of the present invention with the display screen raised;

FIG. 3 is a partial schematic structural view of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is a partial sectional view taken along line A-A of FIG. 4;

FIG. 6 is an enlarged view of B in FIG. 5;

FIG. 7 is a schematic view of a limiting plate and a limiting groove when the display screen is at a middle position according to the present invention;

FIG. 8 is a schematic view of a limiting plate and a limiting groove when the display screen is at a left limit in the present invention;

fig. 9 is a schematic view of a limiting plate and a limiting groove when the display screen is at the right limit in the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a display mechanism; 2. a base; 3. a rotating shaft; 4. a spring; 5. a limiting plate; 6. a limiting groove; 7. a limiting bulge; 8. a limiting block; 9. a lifting box; 10. an outer box; 11. a motor; 12. a drive shaft; 13. a synchronous belt; 14. a Hall magnetic trigger switch; 15. a trigger magnet; 16. an upper magnet; 17. a lower magnet; 18. a guide rail; 19. a pulley; 20. an optocoupler limit switch; 21. and a limiting plate.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 9, the present invention provides a screen rotatable type conference lifting device, which comprises a display mechanism 1 and a lifting mechanism, wherein the display mechanism 1 is mounted on the lifting mechanism and can horizontally rotate around a vertical shaft; the lifting mechanism can drive the display mechanism 1 to lift. In the using process, the display mechanism 1 can be driven to ascend to a set position for use through the lifting mechanism or descend to the set position for storage, so that the desktop is simple when not used; in addition, the user can rotate the display mechanism 1 to a set position according to the self requirement, so that the user can conveniently watch the display mechanism, and the use is very convenient. The utility model has the hiding function, can realize the storage of the display mechanism 1, saves the space, and is simple and clear; in addition, the user can adjust the angle of the display mechanism 1 according to the requirement, and the use is convenient.

Example 1

On the basis of the structure, the embodiment further comprises an outer box 10, wherein the top of the outer box 10 is provided with an opening which penetrates through the outer box and the inner box; the display mechanism 1 and the lifting mechanism are respectively arranged in the outer box 10, and the lifting mechanism can drive the display mechanism 1 to ascend, so that the display mechanism 1 passes through the opening and then extends out of the outer box 10 for use; or the lifting mechanism drives the display mechanism 1 to descend, so that the display mechanism 1 penetrates through the opening and is contained in the outer box 10, and the conference table top is simple.

During the application, the top of outer container 10 can seal, and the below of conference table is arranged in to outer container 10 this moment, and the desktop of conference table is equipped with the opening that matches with outer container 10 top, and the top surface of outer container 10 flushes with the desktop of conference table.

The top of the outer bin 10 may also be open, with the table top of the conference table serving as a panel to enclose the top of the outer bin 10, with the opening in the panel.

The outer box 10 is provided with an interface near the bottom thereof for connecting an external power supply, and the outer box is provided with threading holes for the circuit to pass through, and the number and the positions of the threading holes are reasonably designed and distributed according to requirements.

In addition, the top of outer box 10 is equipped with lift button, and lift button passes through the circuit and is connected with the control mainboard.

Example 2

On the basis of the first embodiment, in the present embodiment, the display mechanism 1 is preferably a display screen, and the display screen is vertically installed on the lifting mechanism.

Preferably, in this embodiment, the opening is preferably a bar-shaped opening, and the size (length and width) of the bar-shaped opening is equal to or larger than the size (referring to the length and width of the display screen) of the display screen, so as to ensure that the display screen can normally pass through the bar-shaped opening.

In addition, the size of above-mentioned bar opening is preferred to be equal to the size of display screen, guarantees that the display screen is accomodate in the top of its screen frame just with the laminating of bar opening, utilizes the display screen to seal the bar opening promptly, avoids the dust to get into in the outer container 10 and influence the working property of each part, need not additionally to set up flip, simple structure, reasonable in design.

Example 3

On the basis of the structure, in the embodiment, the lifting mechanism comprises a base 2, a rotating shaft 3 is vertically arranged on the base 2, and the rotating shaft 3 can rotate around the self axial direction and is positioned; the display mechanism 1 is fixedly mounted on the rotating shaft 3, i.e. the display screen is fixedly connected with the rotating shaft 3 through bolts. The display mechanism 1 is connected with the base 2 through the rotatable and positioned rotating shaft 3, the structure is simple, and the display mechanism 1 is convenient to rotate.

The rotating shaft 3 can be replaced by other rotating members, such as a rotating disk, the rotating disk is rotatably arranged on the base 2 and is positioned, and the display mechanism 1 is fixedly arranged on the rotating disk; the rotation of the display mechanism 1 can be realized by rotating the rotating disc so as to adjust the angle of the display mechanism 1.

The rotation of the rotating disk can realize an electric mode, for example, a small-sized motor is fixedly installed on the base 2 through a bolt, the driving end of the motor is vertically upward and is fixedly connected with the middle part of the lower side of the display screen, at the moment, a button for starting and stopping the motor can be arranged on the base 2 and is connected with the motor through a circuit, and the motor is powered on and off; the manual mode can also be available, for example, a screw hole which penetrates through the rotary disk up and down is arranged on the rotary disk, a screw is connected with the screw in the screw hole in a threaded manner, a plurality of positioning holes are uniformly arranged on the base 2 at intervals along the circumferential direction of the rotary disk, the rotary disk is manually rotated until the screw hole is communicated with any one positioning hole, and the screw is screwed or unscrewed until one end of the screw is inserted into or withdrawn from the corresponding positioning hole, so that the rotary disk is fixed or loosened.

When the rotating disk is adopted, the size (diameter) of the rotating disk is equal to or smaller than the size (width) of the strip-shaped opening, and the rotating disk is ensured not to influence the lifting of the display mechanism 1.

Example 4

On the basis of the third embodiment, in the present embodiment, a mounting groove is formed in the base 2, the rotating shaft 3 is located in the mounting groove, and the upper end of the rotating shaft extends out of the mounting groove and is fixedly connected with the display mechanism 1. This scheme simple structure, reasonable in design, 3 parts of rotation axis are located the mounting groove, save space.

Preferably, in this embodiment, the lower extreme of rotation axis 3 extends outside the mounting groove to threaded connection has the nut, simple structure, and reasonable in design makes things convenient for dismouting rotation axis 3 and display mechanism 1, easy dismounting, labour saving and time saving.

Example 5

On the basis of the fourth embodiment, in the present embodiment, the mounting groove has a structure that the upper part is thin and the lower part is thick, the spring 4 is sleeved on the position of the rotating shaft 3 corresponding to the thick part of the mounting groove and slides coaxially, the upper end of the spring 4 abuts against the wall of the thick part of the mounting groove, and the lower end of the spring abuts against the rotating shaft 3. The scheme has a simple structure and a reasonable design, the display mechanism 1 is separated from the base 2 by utilizing the elasticity of the spring 4, the display mechanism 1 is ensured not to rub against the base 2 in the rotating process, the friction force is reduced, and the display mechanism 1 is convenient to rotate; in addition, in the process of rotation of the display mechanism 1, the spring 4 is always in a compressed state, and the spring 4 can limit the display mechanism 1, so that the stability of the display mechanism 1 is improved.

Example 6

On the basis of the fourth embodiment, in the present embodiment, the position of the rotating shaft 3 corresponding to the inside of the installation groove is fixedly connected with a limiting plate 5, the bottom of the installation groove is provided with a limiting groove 6, and the limiting groove 6 is formed by the inner concave of the bottom wall of the installation groove; the limiting plate 5 can be horizontally and rotatably arranged in the limiting groove 6, and the limiting plate 5 and/or the limiting groove 6 are/is provided with a limiting mechanism for limiting the rotating angle of the rotating shaft 3. During the adjustment, rotation axis 3 pivoted in-process, limiting plate 5 rotates along with rotation axis 3 to realize the spacing to rotation axis 3 through stop gear, avoid display mechanism 1 to rotate excessively, simple structure, reasonable in design.

The limiting plate 5 can be directly fixed on one side of the rotating shaft 3, and can also be coaxially and fixedly sleeved outside the rotating shaft 3, and preferably, the limiting plate is tidy and attractive and can also play a limiting role.

Above-mentioned limiting plate 5 can coexist simultaneously with spring 4, and spring 4 is located the top of limiting plate 5 this moment, and the lower extreme and the limiting plate 5 butt of spring 4 to the realization is spacing to display mechanism 1, increases display mechanism 1's stability.

Example 7

On the basis of the sixth embodiment, in the present embodiment, the limiting mechanism includes a limiting protrusion 7 and a limiting block 8, and the limiting protrusion 7 is fixedly installed in the limiting groove 6 and is integrally formed with the limiting groove 6; the limiting block 8 is fixedly arranged on the limiting plate 5, the limiting block 8 and the limiting plate 5 are integrally formed, and the structure is simple; the limiting block 8 can horizontally rotate to be separated from the limiting bulge 7 or abut against any side of the limiting bulge 7. During the adjustment, rotation axis 3 pivoted in-process, limiting plate 5 rotates along with rotation axis 3, and stopper 8 and spacing protruding 7 arbitrary one side on it offset or the separation, realize that display mechanism 1 revolves about spacing, avoid display mechanism 1 to rotate excessively, simple structure, reasonable in design.

Specific situation of the position limiting plate 5 in the position limiting groove 6 is shown in fig. 7 to 9, fig. 7 is a state diagram of the position limiting plate 5 in the position limiting groove 6 when the display screen is in the middle position, fig. 8 and 9 are state diagrams of the position limiting plate 5 rotating to the left limit and the right limit in the position limiting groove 6 respectively, and an included angle between two dotted lines in fig. 8 and 9 is a rotating angle of the position limiting plate 5.

Besides the scheme, other parts can be adopted to replace the limiting protrusion 7, for example, a magnet is adopted to replace the limiting protrusion 7, and the magnet is also adopted to replace the limiting block 8 at the moment; the display mechanism 1 is rotated to the extent that the two magnets are attracted together so as to limit the display mechanism 1. In this scheme, need certain external force can make two magnet separation.

In addition, other limiting mechanisms can be adopted, for example, the limiting mechanism comprises an elastic locating pin, the locating pin is vertically and fixedly arranged on the limiting plate 5, and the lower end of the locating pin extends to the lower part of the limiting plate 5; the bottom of the limiting groove 6 is provided with a positioning hole; when the display mechanism is used, the positioning pin can rotate along with the limiting plate 5 until the lower end of the positioning pin is inserted into or withdrawn from the positioning hole, so that the rotation angle of the rotating shaft 3 is limited, and the display mechanism 1 is prevented from rotating excessively. According to the scheme, the lower end of the positioning pin can be withdrawn from the positioning hole only by a certain external force when the limiting plate 5 rotates.

Example 8

On the basis of the above structure, in this embodiment, the lifting mechanism further includes a lifting box 9, and the lifting box 9 can move up and down and be positioned; the base 2 is fixedly installed on the lifting box 9 through bolts. When the lifting box is used, the lifting box 9 is moved up and down in a mode which can be thought by a person skilled in the art, and the base 2 and the display mechanism 1 are driven to move up and down, so that the lifting of the display mechanism 1 is realized, the use is convenient, and the space is saved.

The lifting box 9 is installed in the outer box 10.

Example 9

On the basis of the eighth embodiment, in this embodiment, the lifting mechanism further includes a driving component, and the driving component is in transmission connection with the lifting box 9 and is used for driving the lifting box 9 to lift. During the use, go up and down through drive assembly drive lift box 9, realize the automatic rising of lift box 9, degree of automation is high, labour saving and time saving.

The driving assembly can only have a synchronous belt assembly, and at the moment, the driving assembly comprises a motor 11, a driving end of the motor 11 extends along the horizontal direction and is fixedly connected with a transmission shaft 12 which horizontally rotates at the bottom in the outer box 10, lower synchronous wheels are respectively coaxially and fixedly sleeved on the transmission shaft 12 and are close to the two ends of the transmission shaft, two upper synchronous wheels are installed at the top in the outer box 10 in a relatively rotating manner, the two upper synchronous wheels and the two lower synchronous wheels are distributed in a pairwise opposite manner, and the opposite upper synchronous wheels and the opposite lower synchronous wheels are connected through a synchronous belt 13; the lifting box 9 is fixedly connected with the two synchronous belts 13 through the two pressing plates, and the two synchronous belts 13 are tightly pressed on the lifting box 9 by the two pressing plates respectively. When lifting, the motor 11 drives the transmission shaft 12 to rotate and drives the two lower synchronous wheels to rotate, and drives the upper synchronous wheel to rotate through the two synchronous belts 13 so as to drive the lifting box 9 to lift. This scheme reasonable in design both can realize the lift of lift box 9, adopts two hold-in ranges 13 simultaneously also can guarantee the stability of lift box 9 at the lift in-process.

In addition, a control main board is fixedly installed in the outer box 10, and the motor 11 is connected with the control main board through a circuit.

One synchronous belt 13 may be used, and the other design is the same as the two synchronous belts 13, but the lifting stability of the lifting box 9 is lower than that of the two synchronous belts 13.

Except the above scheme, drive assembly also can adopt the cylinder, and the flexible end of cylinder is vertical upwards to with 9 fixed connection of lift box. When in use, the cylinder stretches and contracts to drive the lifting box 9 to lift.

Example 10

On the basis of the ninth embodiment, the present embodiment further includes a triggering mechanism, the triggering mechanism is in communication connection with the driving assembly, and may be in line connection or in wireless communication connection, and is configured to detect whether the display mechanism 1 is parallel to the bar-shaped opening, and send a corresponding signal to the driving assembly. In the use, when display mechanism 1 rotates to being parallel with the bar opening, trigger mechanism detects display mechanism 1 to give drive assembly with the signal transmission that corresponds, drive assembly starts and drives lift box 9, base 2 and display mechanism 1 and goes up and down, in order to ensure that display mechanism 1 can pass through the bar opening smoothly, avoids display mechanism 1 and outer container 10 to bump, protection display mechanism 1.

The trigger mechanism can comprise a Hall magnetic trigger switch 14 and a trigger magnet 15, for example, the trigger magnet 15 is fixedly installed at the bottom of the display screen, and the Hall magnetic trigger switch 14 is fixedly installed on the base 2 and is connected with the control main board through a circuit; when the display screen is parallel to the bar-shaped opening, the hall magnetic trigger switch 14 is opposite to the trigger magnet 15. In-process that the display screen goes up and down, just can be smooth when being parallel with the bar opening when the display screen through the bar opening, hall magnetism trigger switch 14 is relative with trigger magnet 15 this moment, and hall magnetism trigger switch 14 sends the signal that corresponds for the control mainboard, and the control mainboard just can start elevating system and drive the display screen and go up and down, avoids display screen and outer container 10 to bump, guarantees that the display screen normally goes up and down.

In addition, the hall magnetic trigger switch 14 and the trigger magnet 15 can be directly fixed on the bottom of the display screen and the base 2 respectively, but the space occupied by the proposal is larger; preferably, the bottom of the display screen and the base 2 are respectively provided with a groove, and the Hall magnetic trigger switch 14 and the trigger magnet 15 are respectively and fixedly installed in the two grooves, so that the triggering effect can be achieved, the Hall magnetic trigger switch 14 and the trigger magnet 15 can be hidden, and the display screen is neat and attractive.

The principle of the operation of the trigger mechanism is as follows: in the process of manually rotating the display screen, when the Hall magnetic trigger switch 14 detects the trigger magnet 15, the display screen is indicated to be parallel to the strip-shaped opening, at the moment, the Hall magnetic trigger switch 14 sends a corresponding signal to the control mainboard, the control mainboard starts the driving component, the driving component starts, and the lifting box 9 is driven to drive the display screen to descend; when hall magnetism trigger switch 14 does not detect trigger magnet 15, it is unparallel to show display screen and bar opening, hall magnetism trigger switch 14 does not detect trigger magnet 15 this moment, and the control mainboard can not receive corresponding signal, consequently can not start drive assembly, and display mechanism 1 can not go up and down.

The above-mentioned trigger mechanism can adopt other structures to replace above-mentioned hall magnetism trigger switch 14 and trigger magnet 15, and trigger mechanism includes coupling photoelectric switch and baffle for example, and coupling photoelectric switch and baffle fixed mounting are respectively on the bottom of base 2 and display screen, and coupling photoelectric switch passes through the circuit and is connected with the control mainboard. Display screen pivoted in-process, when the display screen was parallel with the bar opening, the baffle just blocked coupling photoelectric switch to signal transmission with corresponding gives the control mainboard, indicates this moment that the display screen can pass through the bar opening smoothly, and the control mainboard starts the lift of drive assembly in order to realize the display screen so.

Example 11

On the basis of the ninth embodiment, the present embodiment further includes a fixing mechanism, and the fixing mechanism is used for fixing the display mechanism 1 during lifting. In the process of lifting the display mechanism 1, the display mechanism 1 is positioned through the fixing mechanism, so that the stability of the display mechanism 1 is improved, the display mechanism 1 is prevented from colliding with other components such as the outer box 10, and the display mechanism 1 is protected.

Above-mentioned fixed establishment includes at least a pair of magnet group, and this magnet group includes magnet 16 and lower magnet 17, goes up magnet 16 and magnet 17 down and is fixed mounting respectively on the bottom of display screen and base 2, goes up magnet 16 and magnet 17 down when the display screen is parallel with the bar opening and just adsorbs each other to fix the display screen, increase the stability of display screen at the lift in-process.

Preferably, in this embodiment, the bottom of display screen and base 2 are last to be equipped with respectively with above-mentioned magnet 16 and lower magnet 17 complex recess, go up magnet 16 and lower magnet 17 and fix respectively in two recesses, and go up magnet 16 and lower magnet 17's looks remote site and extend to outside two recesses respectively, guarantee that magnet 16 and lower magnet 17 can adsorb each other, simple structure, reasonable in design, neat pleasing to the eye.

In addition, the magnet group is preferably selected to be in a plurality of groups, and the magnet groups are uniformly distributed at intervals along the direction from one end to the other end of the display screen, so that the stability of the display screen in the lifting process is further improved.

The magnet sets are preferably two sets, and the two sets of magnet sets are respectively distributed at two ends of the bottom of the display screen, so that the structure is simple, and the stability of the display screen in the lifting process is ensured.

It should be noted that, the fixing mechanism fixes the relative positions of the display mechanism 1 and the base 2 when the display mechanism 1 is lifted, so that the display mechanism 1 and the base are kept relatively still, that is, the display mechanism 1 is kept parallel to the opening, thereby ensuring that the display mechanism 1 can be lifted and lowered smoothly through the opening, and avoiding the collision between the display mechanism 1 and the outer box 10.

Example 12

On the basis of the structure, in this embodiment, the two opposite sides of the two ends of the outer box 10 and the lifting box 9 are fixedly provided with the guide rails 18, and the two ends of the lifting box 9 are respectively in sliding fit with the two guide rails 18, so that the stability of the lifting box 9 in the lifting process is improved.

In addition, the two ends of the lifting box 9 are respectively provided with a wheel set in a rotating way, and the two wheel sets are respectively connected with the two guide rails 18 in a sliding way.

Each set of wheels comprises at least one pulley 19, and the pulley 19 is rotatably mounted at the end of the lifting box 9 and is rotatably connected with the corresponding guide rail 18. In the process of lifting the lifting box 9, on one hand, the stability of lifting the lifting box 9 is increased through the sliding fit of the pulley 19 and the guide rail 18; on the other hand, the pulley 19 converts sliding friction between the elevator car 9 and the guide rail 18 into rolling friction, thereby reducing friction.

In addition, each group of wheel sets comprises a plurality of pulleys 19, and the plurality of pulleys 19 are uniformly distributed at intervals at the end part of the lifting box 9 along the vertical direction and are respectively connected with the corresponding guide rails 18 in a rotating manner.

Example 13

In addition to the above structure, in the present embodiment, a limiting mechanism for limiting the ascending and descending of the ascending and descending box 9 is fixedly mounted on the inner wall of the outer box 10.

Above-mentioned stop gear includes opto-coupler limit switch 20 and two lift limiting plate 21, and opto-coupler limit switch 20 fixed mounting is in the one end of lift box 9, and the top and the position of one side of the relative fixed mounting of two lift limiting plate 21 in outer container 10 of bottom correspond lift box 9 one end.

Except the above structure, other structures can also be adopted to spacing mechanism, for example spacing mechanism includes two stoppers, and two stopper relatively fixed mounting are in the top and the bottom of outer container 10, and lift box 9 can rise to offset with two stoppers respectively, realize mechanical positioning, but this kind of scheme lift box 9 and stopper direct impact, damage easily, and can lead to display mechanism 1 to rock.

The working principle of the utility model is as follows:

when the box is used, the lifting button is manually pressed to start the lifting mechanism, and the lifting mechanism drives the display screen to ascend, so that the display screen penetrates through the opening and extends out of the outer box 10 for use;

in addition, the user can manually rotate the display screen to a set angle according to the self requirement so as to watch the content on the display screen;

when not using the display screen, at first manual rotation display screen to meso position, hall magnetism trigger switch 14 is relative with trigger magnet 15 this moment, and hall magnetism trigger switch 14 sends the signal that corresponds for the control mainboard, and the control mainboard just can start elevating system and drive the display screen and descend, accomodates in outer container 10 to the display screen, and the top of display screen flushes with the surface at outer container 10 top.

It should be noted that, the electronic components according to the present invention are all conventionally known, and the above components are electrically connected to the control board, and the control circuit between the control board and each component is conventionally known.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A screen rotatable formula meeting jacking equipment which characterized in that: the display device comprises a display mechanism (1) and a lifting mechanism, wherein the display mechanism (1) is installed on the lifting mechanism and can horizontally rotate around a vertical shaft; the lifting mechanism can drive the display mechanism (1) to lift.

2. The screen rotatable conference lifting device of claim 1, wherein: the lifting mechanism comprises a base (2), a rotating shaft (3) is vertically arranged on the base (2), and the rotating shaft (3) can rotate around the self axial direction and is positioned; the display mechanism (1) is fixedly arranged on the rotating shaft (3).

3. The screen rotatable conference lifting device of claim 2, wherein: be equipped with the mounting groove in base (2), rotation axis (3) are located in the mounting groove, its upper end extends to outside the mounting groove, and with display mechanism (1) fixed connection.

4. The screen rotatable conference lifting device of claim 3, wherein: the mounting groove is thick structure under thin, rotation axis (3) correspond the coaxial gliding cover in position of the thick portion of mounting groove is equipped with spring (4), the upper end of spring (4) is supported on the wall of the thick portion of mounting groove, the lower extreme with rotation axis (3) butt.

5. The screen rotatable conference lifting device of claim 3, wherein: rotation axis (3) correspond inside position fixedly connected with limiting plate (5) of mounting groove, the bottom of mounting groove is equipped with spacing groove (6), but limiting plate (5) horizontal rotation install in spacing groove (6), limiting plate (5) and/or have on spacing groove (6) and be used for the restriction rotation axis (3) rotation angle's stop gear.

6. The screen rotatable conference lifting device of claim 5, wherein: stop gear includes spacing arch (7) and stopper (8), spacing arch (7) fixed mounting be in spacing groove (6), stopper (8) fixed mounting be in on limiting plate (5), but stopper (8) level rotate to with spacing arch (7) separation or with arbitrary side counterbalance of spacing arch (7).

7. The screen rotatable conference lifting device of any one of claims 2-6, wherein: the lifting mechanism also comprises a lifting box (9), and the lifting box (9) can move up and down and is positioned; the base (2) is fixedly arranged on the lifting box (9).

8. The screen rotatable conference lifting device of claim 7, wherein: the lifting mechanism further comprises a driving assembly, and the driving assembly is in transmission connection with the lifting box (9) and is used for driving the lifting box (9) to lift.

9. The screen rotatable conference lifting device of claim 8, wherein: the display mechanism is characterized by further comprising an outer box (10) and a triggering mechanism, wherein a through opening for the display mechanism (1) to penetrate through is formed in the top of the outer box (10), and the lifting box (9) is located in the outer box (10); the trigger mechanism is in communication connection with the driving assembly and is used for detecting whether the display mechanism (1) is parallel to the opening or not and sending a corresponding signal to the driving assembly.

10. The screen rotatable conference lifting device of any one of claims 1-6, wherein: the display mechanism is characterized by further comprising a fixing mechanism, and the fixing mechanism is used for fixing the display mechanism (1) during lifting.

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