CN210440923U

CN210440923U - Display support arm of intelligence

Info

Publication number: CN210440923U
Application number: CN201921072545.8U
Authority: CN
Inventors: 代启雨
Original assignee: Fuqing Chuangjia Intelligent Technology Co ltd
Current assignee: Fuqing Chuangjia Intelligent Technology Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-01
Anticipated expiration: 2029-07-10

Abstract

The utility model belongs to a display support arm of intelligence, including the spiro union board, go up the support arm to and the lower support arm, still including setting up the bottom plate on the desktop board, set up curb plate on the bottom plate sets up table bottom plate on the curb plate sets up the bottom plate with be used for pressing from both sides tightly on the table bottom plate the elastic clamping unit of desktop board sets up on the table bottom plate and through the attraction of downward magnetic force the elastic clamping unit mode is in order to be used for untiing the electro-magnet unit who presss from both sides tight fixed operation, sets up and be used for the circular telegram connection on the curb plate electro-magnet unit and spacing protection the circular telegram spacing unit of elastic clamping unit, and set up earphone suspension unit on the lower support arm. The utility model has the advantages of the support arm mounting structure is reasonable effective, loading and unloading convenient operation is swift, degree of automation is high, and installation stability is good, and mounting structure is nimble adjustable to and make things convenient for earphone main part and earphone cord to hang.

Description

Display support arm of intelligence

Technical Field

The utility model belongs to the technical field of display support arm structure, especially, relate to a display support arm of intelligence.

Background

The display supporting arm refers to a connecting arm structure which is arranged on a table top and used for installing and lifting and adjusting the height of a display. The existing support arm mostly has better lifting rotation adjusting function, but the stability of the base mounting structure is poor, the phenomenon that the support arm is toppled over together with a display appears easily, and the support arm has the problems of single function and inconvenient hanging of earphones, so that the intelligent display support arm with high mounting stability is urgently needed in the market.

The patent publication number is CN205278715U, and the china utility model patent that bulletins day is 2016.06.01 discloses a display support arm, including the support arm body, the one end of support arm body is equipped with articulated seat, and articulated seat is equipped with adjustment mechanism in a side of support arm body, and the side of being equipped with adjustment mechanism of support arm body is equipped with first line and buckles, it has the through-hole to open at adjustment mechanism's position on the first line is buckled, through-hole department is equipped with the side cap that covers the through-hole, be equipped with magnet on the side cap, on the support arm body perhaps be equipped with on the articulated seat with magnet produces the magnetic means of magnetic attraction.

But the support arm in this utility model patent has the problem that the base mounting stability is not sufficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a display support arm of intelligence, it can hang the unit through set up bottom plate, curb plate, table bottom plate, elastic clamping unit, electro-magnet unit, circular telegram spacing unit and earphone on the desktop board, still the spiral shell fishplate bar, go up the mode of support arm and lower support arm, reaches the effect that the support arm effectively supported the installation display. The utility model has the advantages of the support arm mounting structure is reasonable effective, loading and unloading convenient operation is swift, degree of automation is high, and installation stability is good, and mounting structure is nimble adjustable to and make things convenient for earphone main part and earphone cord to hang.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a display support arm of intelligence, including the spiro union board that is used for connecting the display, with spiro union board articulated last support arm, and with go up support arm articulated under bracing arm, still including setting up the bottom plate on the desktop board, set up curb plate on the bottom plate, set up table bottom plate on the curb plate, set up the bottom plate with on the table bottom plate and be used for pressing from both sides tightly the elastic clamping unit of desktop board sets up on the table bottom plate and through the downward magnetic force attraction the elastic clamping unit mode is in order to be used for untiing the electro-magnet unit who presss from both sides tight fixed operation, sets up on the curb plate and be used for the circular telegram to connect electro-magnet unit and spacing protection the circular telegram spacing unit of elastic clamping unit, and set up and be in earphone suspension unit on the under.

The further preferred technical scheme is as follows: the earphone hanging unit comprises a clamping frame arranged on the side face of the lower supporting arm, a screw arranged on the clamping frame and used for screwing and fixing the lower supporting arm, a hanging beam arranged on the outer side face of the clamping frame, and a hanging groove arranged on the hanging beam and used for placing an earphone beam.

The further preferred technical scheme is as follows: the earphone hanging unit further comprises a protruding friction strip arranged on the inner bottom surface of the hanging groove, and the long axial direction of the protruding friction strip is parallel to the long axial direction of the hanging beam.

The further preferred technical scheme is as follows: the earphone hanging unit further comprises an inner side magnet piece which is arranged on the inner side face of the clamping frame and used for conducting magnetic attraction and fixation on the lower supporting arm.

The further preferred technical scheme is as follows: the earphone hanging unit further comprises an earphone wire hanging part which is arranged on the hanging beam and is farther away from the lower supporting arm than the hanging groove.

The further preferred technical scheme is as follows: the earphone cord hanging part comprises an annular notch and a pressing plate, the annular notch is arranged on the annular surface of the hanging beam and used for winding earphone cords, and one end of the pressing plate is arranged on the side plane of the annular notch, is parallel to the hanging beam and is used for pressing the earphone cords into a ring.

The further preferred technical scheme is as follows: the earphone cord hanging part is characterized in that the earphone cord hanging part is further arranged on the hanging beam and is further away from the earphone insertion end mounting groove of the hanging groove than the annular notch.

The further preferred technical scheme is as follows: and an elastic ring used for elastically clamping the insertion end of the machine is adhered to the inner ring surface of the earphone insertion end mounting groove.

The further preferred technical scheme is as follows: earphone cord suspension portion is still including setting up just be used for on the lateral plane of annular notch earphone cord passes fixed orifice plate, the orifice plate with the pressure strip about the annular notch is the central symmetry and sets up, be equipped with on the orifice plate and pass the round hole, and with the side card that passes the round hole and be linked together goes into the notch.

The further preferred technical scheme is as follows: and a second elastic ring which is arranged concentrically with the through round hole and used for erasing dust on the earphone line is bonded on the lower surface of the pore plate, and the inner diameter of the second elastic ring is smaller than that of the through round hole.

The further preferred technical scheme is as follows: the elastic clamping unit comprises a mounting column penetrating through the table bottom plate and arranged on the bottom surface under the bottom plate in an inserted mode, a clamping plate sleeved on the mounting column, a tension spring arranged on the bottom surface under the bottom plate and used for clamping and mounting on the table top plate in a mode of upwards lifting, and an outer side fixing part arranged on the lower surface of the table bottom plate and used for limiting and fixing the mounting column.

The further preferred technical scheme is as follows: the outer side fixing part comprises a screw joint ring arranged on the lower surface of the table bottom plate, a screw joint is arranged on the screw joint ring and used for limiting and fixing the screw joint plate of the mounting column in an upward jacking mode, and a holding driving plate arranged on the outer side surface of the screw joint plate.

The further preferred technical scheme is as follows: the elastic clamping unit further comprises a plurality of jacks arranged on the clamping plate and used for installing and arranging the installation columns, and protruding strips arranged on the upper surface of the clamping plate and used for increasing the friction force between the elastic clamping unit and the desktop plate, and the jacks are arranged on one side of the clamping plate close to the power-on limiting unit.

The further preferred technical scheme is as follows: the electromagnet unit comprises an electromagnet core body arranged on the table bottom plate, a solenoid wound on the outer annular surface of the electromagnet core body, a direct-current dry battery arranged on the solenoid plate and used for supplying power to a plurality of solenoids connected in series, and a wire cavity arranged on the side plate and the table bottom plate and used for arranging wires.

The further preferred technical scheme is as follows: the electromagnet unit further comprises an electromagnet groove formed in the upper surface of the table bottom plate and used for arranging the electromagnet core body, and an iron block arranged on the lower surface of the clamping plate and used for opening the clamping plate downwards in a mutual magnetic attraction mode with the solenoid coil, and the wire cavity is communicated with the electromagnet groove.

The further preferred technical scheme is as follows: the power-on limiting unit comprises a threaded hole formed in the side plate, a threaded column arranged on the threaded hole, two conductive columns arranged on the lead cavity and protruding into the threaded hole, and conductive rings embedded in the outer ring surface of the threaded column and used for being connected with the two conductive columns in a power-on mode.

The further preferred technical scheme is as follows: the middle position on the clamping plate close to one side of the screw joint column is provided with an arc-shaped clamping groove which is used for limiting protection when the tension spring pulls the clamping plate in a clamping limiting mode through the screw joint column.

The further preferred technical scheme is as follows: the wire chamber is close to one side of the screw joint hole is provided with a mounting hole plate for inserting and mounting two conductive columns, the upper ends of the two conductive columns are arc ends, the lower ends of the two conductive columns are respectively connected with a wire, and the outer side end of each screw joint column is provided with a driving round block.

The further preferred technical scheme is as follows: and the lower surface of the bottom plate is provided with a blocking plate for blocking and limiting the inserted desktop plate.

The utility model discloses a set up bottom plate, curb plate, table bottom plate, elastic clamping unit, electro-magnet unit, circular telegram spacing unit and earphone on the desktop board and hang the unit, still the spiral shell fishplate bar, go up the mode of support arm and lower support arm, reach the effect that the support arm effectively supported the installation display. The utility model has the advantages of the support arm mounting structure is reasonable effective, loading and unloading convenient operation is swift, degree of automation is high, and installation stability is good, and mounting structure is nimble adjustable to and make things convenient for the earphone to hang.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the use of the elastic clamping unit of the present invention.

Fig. 3 is a schematic diagram of the position structure of the middle elastic clamping unit, the electromagnet unit and the power-on limiting unit of the present invention.

Fig. 4 is a schematic structural view of the middle clamping plate of the present invention.

Fig. 5 is a schematic diagram of a position structure of the middle power-on limiting unit of the present invention.

Fig. 6 is a schematic diagram of the position structure of the middle driving round block and the electromagnet core of the present invention.

Fig. 7 is a schematic view of the position structure of the middle earphone wire suspension portion of the present invention.

Fig. 8 is a schematic diagram of the position structure of the middle orifice plate according to the present invention.

Detailed Description

The following description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, an intelligent support arm for a monitor includes a screw plate 11 for connecting a monitor 10, an upper support arm 12 hinged to the screw plate 11, and a lower support arm 13 hinged to the upper support arm 12, and further includes a bottom plate 1 disposed on a table top plate 14, a side plate 2 disposed on the bottom plate 1, a table bottom plate 3 disposed on the side plate 2, an elastic clamping unit 4 disposed on the bottom plate 1 and the table bottom plate 3 for clamping the table top plate 14, an electromagnet unit 5 disposed on the table bottom plate 3 for releasing clamping and fixing operations by attracting the elastic clamping unit 4 by a downward magnetic force, an energizing limiting unit 6 disposed on the side plate 2 for electrically connecting the electromagnet unit 5 and limiting and protecting the elastic clamping unit 4, and a headset suspension unit 8 provided on the lower support arm 13.

In this embodiment, the screw plate 11, the upper support arm 12 and the lower support arm 13 are the same as those of the prior art, the bottom plate 1, the side plate 2 and the table bottom plate 3 form a U-shaped structure for fastening and mounting on the table top 14, so as to ensure the basic mounting stability, and the elastic clamping unit 4 performs a further clamping operation on the table top 14 by an elastic manner, so as to ensure the final mounting stability.

On the other hand, the electromagnet unit 5 is not powered and does not work when the support arm is normally clamped and used, when the support arm needs to be dismounted from the table top plate 14, the power-on limiting unit 6 is firstly adjusted to be powered on and connected with the electromagnet unit 5, the electromagnet unit 5 overcomes the internal elastic force and is pulled downwards to be opened, and the clamping operation is released, at the moment, the power-on limiting unit 6 has a limiting function, namely after the electromagnet unit 5 is switched to a power-off state again, the elastic force in the elastic clamping unit 4 cannot cause harmful impact due to the absence of the table top plate 14, the process is realized through an electromagnetic effect, the automation advantage of the support arm mounting structure is further embodied, and the use process of the support arm mounting structure has the advantages of convenience and flexibility.

The earphone hanging unit 8 comprises a clamping frame 801 arranged on the side surface of the lower supporting arm 13, a screw 802 arranged on the clamping frame 801 and used for screwing and fixing on the lower supporting arm 13, a hanging beam 803 arranged on the outer side surface of the clamping frame 801, and a hanging groove 804 arranged on the hanging beam 803 and used for placing an earphone beam. The earphone hanging unit 8 further comprises a protruding friction strip 805 arranged on the inner bottom surface of the groove of the hanging groove 804, and the long axial direction of the protruding friction strip 805 is parallel to the long axial direction of the hanging beam 803. The earphone hanging unit 8 further includes an inner magnet piece 806 disposed on an inner side surface of the engaging frame 801 and configured to be magnetically attracted and fixed to the lower support arm 13.

In this embodiment, snap frame 801 and screw 802 are used for guaranteeing the installation stability of hanging beam 803, hang recess 804 and protruding friction strip 805 and be used for making the earphone roof beam frame be in hang the advantage that the frictional force is big, difficult landing when having on the recess 804, friction strip 805 is convex rubber strip, a plurality of friction strip 805 parallel arrangement and with the major axis of earphone roof beam is to mutually perpendicular, guarantees anti-skidding effect, and on the other hand, inboard magnet piece 806 is used for assisting the spiro union effect of screw 802 department guarantees the U type snap frame 801 with have the double fixed effect of magnetic force attraction with the spiro union between the lower limb 13.

The earphone hanging unit 8 further includes an earphone line hanging portion 807 provided on the hanging beam 803 and farther from the lower support arm 13 than the hanging groove 804. The earphone line hanging portion 807 comprises an annular notch 807a which is arranged on the annular surface of the hanging beam 803 and is used for winding an earphone line, and a pressing plate 807b which is arranged on the side plane of the annular notch 807a, is parallel to the hanging beam 803 and is used for pressing the earphone line in a loop. The earphone line hanging portion 807 further includes an earphone insertion end seating groove 807c provided on the hanging beam 803 and farther from the hanging groove 804 than the annular notch 807 a. An elastic ring for elastically clamping the insertion end of the headset is adhered to the inner ring surface of the headset insertion end mounting groove 807 c. The earphone cord hanging portion 807 further comprises a hole plate 807d which is arranged on the side plane of the annular notch 807a and used for the earphone cord to pass through and be fixed, the hole plate 807d and the pressing plate 807b are arranged in a central symmetry relation relative to the annular notch 807a, a through circular hole is arranged on the hole plate 807d, and a side edge which is communicated with the through circular hole is clamped into the notch. A second elastic ring 807e which is concentric with the through circular hole and used for erasing dust on the earphone line is adhered to the lower surface of the hole plate 807d, and the inner diameter of the second elastic ring 807e is smaller than that of the through circular hole.

In this embodiment, the earphone cord hanging portion 807 is used for fixing a longer earphone cord, so as to prevent the earphone cord from scattering randomly, and ensure that the earphone is washed, neatly and effectively wound and fixed, and the usage manner is as follows:

firstly, after the earphone beam is erected on the hanging groove 804, the earphone wire naturally hangs down, the earphone wire at one side of the earphone insertion end is clamped into the hole plate 807d, namely, the earphone wire enters the through round hole from the side clamping notch of the rectangle, then the earphone wire is pulled, so that the second elastic ring 807e is sleeved on the earphone wire, dust on the surface of the earphone wire is scraped and collected, the cleanness of the earphone wire is ensured, the second elastic ring 807e is made of elastic sponge, and the earphone wire is collected and then taken down;

secondly, the earphone wire is firstly wound on the annular notch 807a in the annular notch 807a after being cleaned and is positioned in the pressing plate 807b, the pressing plate 807b is bent and pressed on the looped earphone wire after being wound for a plurality of circles, the winding and fixing of the earphone wire are completed, a sufficient and proper length is reserved for inserting the earphone wire insertion end into the earphone insertion end mounting groove 807c, the earphone beam, the earphone wire and the earphone insertion end are effectively fixed, the integral fixing stability of the earphone is ensured, and the earphone wire cannot fall off when the whole display supporting arm shakes;

thirdly, the elastic ring in the earphone insertion end mounting groove 807c is made of sponge material, so that the fixing stability and softness of the earphone insertion end are ensured, and the earphone wire can be wound on the annular notch 807a for a plurality of circles along the long axis direction when the earphone wire is too long, so that the winding fixing flexibility of the earphone wire is ensured.

Fourthly, the earphone cord is in when orifice plate 807d pull, the inboard deformation of second elastic ring 807e is pressed on the earphone cord anchor ring face, guarantees to stably clear away and hangs down the dust, the dust of collecting on the second elastic ring 807e is again manual clear up remove down can, finally guarantee that earphone hanging unit 8 has wholly hangs stably to and from the clean dual advantage in area earphone cord surface.

The elastic clamping unit 4 comprises a mounting column 401 penetrating through the table bottom plate 3 and arranged on the bottom surface of the bottom plate 1 in an inserted mode, a clamping plate 402 sleeved on the mounting column 401, a tension spring 403 arranged on the bottom surface of the bottom plate 1 and used for clamping and mounting on the table top plate 14 in a clamping plate 402 mode through upward lifting, and an outer side fixing portion 404 arranged on the lower surface of the table bottom plate 3 and used for limiting and fixing the mounting column 401. The outer side fixing part 404 includes a screw ring 404a provided on the lower surface of the table bottom plate 3, a screw plate 404b provided on the screw ring 404a in a screw manner and used for fixing the mounting post 401 in a position-limited manner by being lifted up, and a holding driving plate 404c provided on the outer side surface of the screw plate 404 b. The elastic clamping unit 4 further includes a plurality of insertion holes 405 disposed on the clamping plate 402 for installing and disposing the mounting posts 401, and a protruding strip 406 disposed on the upper surface of the clamping plate 402 for increasing the friction force with the table top 14, wherein the insertion holes 405 are disposed on the clamping plate 402 at a position close to one side of the power-on limiting unit 6.

In the present embodiment, the elastic clamping unit 4 has the following advantages:

firstly, two sides of the two mounting columns 401 are inserted, the outer sides of the two mounting columns are supported by the screwed plate 404b fixed by screwing, the mounting stability of the two mounting columns is ensured, the tension spring 403 is sleeved on the mounting columns 401 and used for pulling the clamping plate 402 upwards, the tension spring is a power source of the whole clamping mounting structure, and the clamping mounting stability is ensured;

secondly, the long axial direction of the protruding strip 406 is perpendicular to the sliding direction of the clamping plate 402 on the tabletop plate 14, so as to improve the static friction force during clamping and further ensure the clamping stability;

thirdly, the clamping plate 402 is not stressed symmetrically with respect to the tension spring 403, so that balls are embedded in the inner annular surface of the insertion hole 405 to prevent the clamping plate 402 from being clamped obliquely, and the balls abut against the outer annular surface of the mounting post 401 to ensure the mounting stability of the clamping plate 402 on the mounting post 401.

The electromagnet unit 5 includes an electromagnet core 501 disposed on the table bottom plate 3, a solenoid 502 wound around an outer circumferential surface of the electromagnet core 501, a dc dry battery 503 disposed on the screw connection plate 404b and configured to supply power to a plurality of the solenoid 502 connected in series, and a wire cavity 504 disposed on the side plate 2 and the table bottom plate 3 and configured to set a wire. The electromagnet unit 5 further includes an electromagnet slot 505 disposed on the upper surface of the table base plate 3 and used for disposing the electromagnet core 501, and an iron block 506 disposed on the lower surface of the clamping plate 402 and used for opening the clamping plate 402 downwards in a mutually magnetic attraction manner with the solenoid 502, and the wire cavity 504 is communicated with the plurality of electromagnet slots 505.

In the present embodiment, the electromagnet unit 5 has the following advantages:

firstly, when the clamping plate 402 clamps the table top 14, the supporting arm is effectively and stably installed, at this time, the only open circuit position between the solenoid 502 and the dc dry battery 503 is at the power-on limiting unit 6, and the solenoid 502 cannot generate magnetism;

secondly, when the supporting arm needs to be detached from the table top plate 14, the supporting arm firstly contacts the conductive power-on limiting unit 6, then the solenoid coil 502 is powered on and generates electromagnetic downward magnetic force to attract the iron block 506, the clamping plate 402 is pulled downward after overcoming the tension of the tension spring 403, the table top plate 14 is released, and the whole supporting arm can be detached from the table;

thirdly, an annular groove for embedding and winding the solenoid 502 is formed in the outer annular surface of the electromagnet core body 501 to ensure the installation stability of the solenoid 502, and an anti-collision elastic sheet is arranged at the upper end of the electromagnet core body 501 to prevent the iron block 506 from impacting the electromagnet core body 501 too quickly;

fourthly, after the power-on limiting unit 6 controls and communicates the spiral coil 502 and the direct current dry battery 503 circuit, the clamping plate 402 is automatically attracted to release the clamping, which further ensures that the electromagnet unit 5 has the advantages of flexible and convenient operation and high automation degree.

The power-on limiting unit 6 includes a screw hole 601 disposed on the side plate 2, a screw post 602 disposed on the screw hole 601, two conductive posts 603 disposed on the wire cavity 504 and protruding into the screw hole 601, and a conductive ring 604 embedded on an outer circumferential surface of the screw post 602 and electrically connecting the two conductive posts 603. An arc-shaped clamping groove 605 for limiting and protecting when the tension spring 403 pulls the clamping plate 402 is arranged at the middle position of one side of the clamping plate 402 close to the screw connecting column 602 and clamped in a limiting manner through the screw connecting column 602. The wire cavity 504 is close to one side of spiro union hole 601 is equipped with and is used for the grafting installation two the installation orifice plate 606 of leading electrical pillar 603, two it is the circular arc end to lead electrical pillar 603 upper end, and the lower extreme carries out the wire connection respectively, be equipped with drive circle piece 607 on the end of the outside of spiro union post 602.

In this embodiment, the power-on limiting unit 6 has the following advantages:

firstly, when the supporting arm is mounted and used, the power-on limiting unit 6 is in an idle state, that is, the screw connecting column 602 rotates to the opposite outer side, the conductive ring 604 is not in contact with the two conductive columns 603, at this time, the tension spring 403 pulls the clamping plate 402, and no electricity is provided on the solenoid 502;

secondly, when the supporting arm needs to be detached from the table top 14, the screw connecting column 602 is first rotated inward, so that the conductive ring 604 contacts the two conductive posts 603, the solenoid 502 is immediately energized, the clamping plate 402 is attracted by downward magnetic force, the clamping operation is opened, and at this time, the screw connecting column 602 rotates deep, and the part of the screw connecting column is located above the arc-shaped clamping groove 605, and the deep length of the screw connecting column is enough;

thirdly, when the support arm is not used, the solenoid 502 is powered off to save electric energy, at this time, the screw post 602 rotates outwards, the conductive ring 604 is separated from the conductive post 603 first, the solenoid 502 is powered off immediately, the tension spring 403 pulls the clamping plate 402, at this time, the deep inner end of the screw post 602 can block the clamping plate 402 through the arc-shaped engaging groove 605, so that the clamping plate 402 is prevented from being directly "hit" on the bottom plate 1 due to a large elastic tension force, the screw post 602 offsets a part of impact force through the strength of the screw post 602, when the screw post 602 is pulled out by rotating outwards again, the tension spring is reduced by half due to the contraction length, the pulling strength of the second time is reduced, and the clamping plate 402 can return to the bottom plate 1 with a proper force to restore the initial state of the support arm 403;

fourthly, the conductive post 603 is a hollow structure and has a certain elastic tension, so as to be always supported on the outer ring surface of the screw post 602, and the conductive ring 604 is embedded and arranged with the outer ring surface being flush.

And a blocking plate 7 for blocking and limiting the inserted desktop plate 14 is arranged on the lower surface of the bottom plate 1.

In this embodiment, the blocking plate 7 is used to prevent the insertion depth of the table top 14 in the U-shaped mounting plate structure from being lost, so as to ensure the stable and proper fastening and mounting effect, avoid the situation that the table top 14 mistakenly touches the spring 403, and ensure the pulling and using effect of the spring 403.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the appended claims.

Claims

1. An intelligent display support arm, comprising a screw joint plate (11) for connecting a display (10), an upper support arm (12) hinged to the screw joint plate (11), and a lower support arm (13) hinged to the upper support arm (12), characterized in that: and a headset suspension unit (8) arranged on the lower support arm (13).

2. An intelligent display support arm according to claim 1, wherein: the earphone hanging unit (8) comprises a clamping frame (801) arranged on the side face of the lower supporting arm (13), a screw (802) arranged on the clamping frame (801) and used for screwing and fixing on the lower supporting arm (13), a hanging beam (803) arranged on the outer side face of the clamping frame (801), and a hanging groove (804) arranged on the hanging beam (803) and used for placing an earphone beam.

3. An intelligent display support arm according to claim 2, wherein: the earphone hanging unit (8) further comprises a protruding friction strip (805) arranged on the inner bottom surface of the groove of the hanging groove (804), and the long axial direction of the protruding friction strip (805) is parallel to the long axial direction of the hanging beam (803).

4. An intelligent display support arm according to claim 2, wherein: the earphone hanging unit (8) further comprises an inner magnet piece (806) which is arranged on the inner side face of the clamping frame (801) and is used for carrying out magnetic attraction and fixation on the lower supporting arm (13).

5. An intelligent display support arm according to claim 2, wherein: the earphone hanging unit (8) further comprises an earphone line hanging portion (807) provided on the hanging beam (803) and farther from the lower support arm (13) than the hanging groove (804).

6. An intelligent display support arm, according to claim 5, wherein: the earphone wire hanging part (807) comprises an annular notch (807a) which is arranged on the annular surface of the hanging beam (803) and is used for winding earphone wires, and a pressing plate (807b) which is arranged on the side plane of the annular notch (807a), is parallel to the hanging beam (803) and is used for pressing the earphone wires which are looped.

7. An intelligent display support arm, according to claim 6, wherein: the earphone line hanging portion (807) further includes an earphone insertion end seating groove (807c) provided on the hanging beam (803) and farther from the hanging groove (804) than the ring-shaped notch (807 a).

8. An intelligent display support arm according to claim 7, wherein: an elastic ring used for elastically clamping the insertion end of the machine is adhered to the inner ring surface of the earphone insertion end placing groove (807 c).

9. An intelligent display support arm, according to claim 6, wherein: the earphone cord hanging part (807) further comprises a hole plate (807d) which is arranged on the side plane of the annular notch (807a) and used for the earphone cord to pass through and be fixed, the hole plate (807d) and the pressing plate (807b) are arranged in a central symmetry relation with the annular notch (807a), a through round hole is formed in the hole plate (807d), and a side edge which is communicated with the through round hole is clamped into the notch.

10. An intelligent display support arm according to claim 9, wherein: a second elastic ring (807e) which is concentric with the through round hole and used for wiping off dust on the earphone line is adhered to the lower surface of the pore plate (807d), and the inner diameter of the second elastic ring (807e) is smaller than that of the through round hole.