CN110220100A - A kind of intelligent Display support arm - Google Patents

Abstract

The invention belongs to a kind of intelligent Display support arms, including the plate that is spirally connected, upper support arm, and lower support arm, it further include the bottom plate being arranged on desktop, side plate on the bottom plate is set, desk soleplate on the side plate is set, elastic clamping unit on the bottom plate and the desk soleplate and for clamping the desktop is set, it is arranged on the desk soleplate and attracts the elastic clamping unit mode with the electromagnet unit for unlocking the operation that is fixedly clamped by downward magnetic force, energization position-limiting unit on the side plate and for the elastic clamping unit described in the connection electromagnet unit and position limitation protection that is powered is set, and the earphone suspension unit in the lower support arm is set.The present invention has support arm mounting structure rationally effective, and charge and discharge operations are convenient and efficient, high degree of automation, and mounting stability is good, and mounting structure is flexibly adjustable, and the advantages of facilitate headset main body and earphone cable to hang.

Description

A kind of intelligent Display support arm

Technical field

The invention belongs to Display support arm configuration technical field more particularly to a kind of intelligent Display support arms.

Background technique

Display support arm refers to setting on the table for installing the linking arm knot of simultaneously lift adjustment height of display Structure.Existing support arm has had a preferable lifting rotation regulatory function mostly, but the stability of its base mounting structure It is poor, it is easy to appear the phenomenon that related display of support arm is toppled over together, and support arm presence itself has a single function, is inconvenient The problem of earphone is hung, therefore it is badly in need of the high intelligent display support arm of a mounting stability in the market.

Patent announcement number is CN205278715U, and the day for announcing is that the Chinese utility model patent of 2016.06.01 discloses one One end of kind display bracket support arm, including support arm body, the support arm body is equipped with hinged seat, and hinged seat is supporting One side of arm body is equipped with regulating mechanism, and the side equipped with regulating mechanism of arm body is supported to be equipped with the first cableties, described First Line, which is buckled, is provided with through-hole in the position of regulating mechanism, and the through hole is equipped with the side cover for covering through-hole, sets on the side cover There is magnet, on the support arm body or the hinged seat is equipped with the magnetic devices that magnetic attraction is generated with the magnet.

But there is pedestal mounting stability deficiency in the support arm in the utility model patent.

Summary of the invention

The object of the present invention is to provide a kind of intelligent Display support arm, can by be arranged on desktop bottom plate, Side plate, desk soleplate, elastic clamping unit, electromagnet unit, energization position-limiting unit and earphone suspension unit, the plate that is also spirally connected, The mode of upper support arm and lower support arm achievees the effect that support arm effectively supports installation display.The present invention has support Arm mounting structure is rationally effective, and charge and discharge operations are convenient and efficient, high degree of automation, and mounting stability is good, and mounting structure flexibly may be used The advantages of adjusting, and headset main body and earphone cable facilitated to hang.

The present invention solve the above problems the technical solution adopted is that: a kind of intelligent Display support arm, including for connecting The plate that is spirally connected for connecing display, the hinged upper support arm with the plate that is spirally connected, and the lower support arm hinged with the upper support arm, Further include the bottom plate being arranged on desktop, the side plate on the bottom plate is set, the desk soleplate on the side plate is set, if The elastic clamping unit on the bottom plate and the desk soleplate and for clamping the desktop is set, is arranged in the desk soleplate Above and by downward magnetic force attract the elastic clamping unit mode with the electromagnet unit for unlocking the operation that is fixedly clamped, if Set the energization limit on the side plate and for the elastic clamping unit described in the connection electromagnet unit and position limitation protection that is powered Bit location, and the earphone suspension unit being arranged in the lower support arm.

Further preferred technical solution is: the earphone suspension unit includes being arranged on the lower support arm side Engaging frame, be arranged on the engaging frame and for carrying out the fixed screw that is spirally connected in the lower support arm, be arranged in institute The hanging beam on engaging frame lateral surface is stated, and the suspension groove in the hanging beam and for placing earphone beam is set.

Further preferred technical solution is: the earphone suspension unit further includes that setting is slotted in the suspension groove Protrusion fricting strip on inner bottom surface, the length of the protrusion fricting strip are axial long axial parallel with the hanging beam.

Further preferred technical solution is: the earphone suspension unit further includes being arranged in the engaging frame medial surface It goes up and is used to carry out magnetic force in the lower support arm to attract fixed inside flat thin magnet.

Further preferred technical solution is: the earphone suspension unit further includes being arranged in the hanging beam and phase Compared with the suspension groove further from the earphone cable suspension part of the lower support arm.

Further preferred technical solution is: the earphone cable suspension part includes being arranged on the hanging beam anchor ring simultaneously Be arranged on the side plane of the annular notches for the annular notches of coiling earphone cable and one end and with the suspension Liangping Go and be used to compress the pressure plate of the earphone cable of lopping.

Further preferred technical solution is: the earphone cable suspension part further includes being arranged in the hanging beam and phase Compared with the annular notches further from it is described suspension groove earphone insertion end mounting groove.

Further preferred technical solution is: bonding, which is equipped with, on the inner ring surface of the earphone insertion end mounting groove is used for bullet The elastic ring of property clamping machine insertion end.

Further preferred technical solution is: the earphone cable suspension part further includes the side that the annular notches are arranged in It is passed through in plane and for the earphone cable during fixed orifice plate, the orifice plate and the pressure plate about the annular notches be in The setting of heart symmetric relation, the orifice plate are equipped with across circular hole, and are caught in notch across the side that circular hole is connected with described.

Further preferred technical solution is: bonding is equipped with the circular hole that passes through in concentric on the orifice plate lower surface The second elastic ring of dust, the internal diameter of second elastic ring are less than described pass through in circle setting and the earphone cable that is used to erase The internal diameter of circular hole.

Further preferred technical solution is: the elastic clamping unit includes across the desk soleplate and grafting setting Mounting post on the bottom plate bottom surface, is socketed the clamping plate being arranged in the mounting post, and setting is gone to the bottom in the bottom plate On face and by lifting the clamping plate mode upwards with the tension spring for being clamped installation on the desktop, Yi Jishe Set the outside fixed part on the desk soleplate lower surface and for limiting the fixed mounting post.

Further preferred technical solution is: the outside fixed part includes being arranged on the desk soleplate lower surface Be spirally connected ring, is spirally connected and described be spirally connected on ring and by jacking up mode upwards for limiting being spirally connected for the fixed mounting post is arranged in Plate, and the gripping driving plate being spirally connected on plate lateral surface is set.

Further preferred technical solution is: the elastic clamping unit further includes that setting is used in combination on the clamping plate Several jacks of the mounting post described in installation settings, and be arranged on the clamping plate upper surface and for increase with it is described The side on the clamping plate close to the energization position-limiting unit is arranged in the protrusion bar of frictional force between desktop, the jack At position.

Further preferred technical solution is: the electromagnet unit includes the electromagnet being arranged on the desk soleplate Core, the solenoid being wound on the external anchor ring of the electromagnetic core, if setting is spirally connected on plate and described for concatenated The DC battery that the dry solenoid is powered, and be arranged on the side plate and the desk soleplate and be used to be arranged The guidewire lumen of conducting wire.

Further preferred technical solution is: the electromagnet unit further includes being arranged on the desk soleplate upper surface And for be arranged the electromagnet core electromagnet fluting, and be arranged on the clamping plate lower surface and by with it is described The mutual magnetic force of solenoid attracts mode with the iron block for opening the clamping plate downwards, the guidewire lumen and several described electricity Magnet fluting is connected to.

Further preferred technical solution is: the energization position-limiting unit includes that being spirally connected on the side plate is arranged in The column that is spirally connected in the bolt apertures is arranged in hole, is arranged in the guidewire lumen and to the two of the projecting inward setting of the bolt apertures The conduction being spirally connected on column outer ring surface and for two conductive columns of connection that are powered is arranged in a conductive column, and insertion Ring.

Further preferred technical solution is: setting at the medium position of column side that is spirally connected on the clamping plate Have and engaging limit method is carried out by the column that is spirally connected to be used to carry out position limitation protection when the tension spring pulls the clamping plate Arc engaging slot.

Further preferred technical solution is: the guidewire lumen is equipped with close to the bolt apertures side and installs for grafting The installation orifice plate of two conductive columns, two conductive column upper ends are arc end, and lower end carries out conducting wire connection respectively, described The column outboard end that is spirally connected is equipped with driving round block.

Further preferred technical solution is: the lower surface of base plate be equipped with for the desktop to insertion into Row stops the barrier plate of limit.

The present invention on desktop by being arranged bottom plate, side plate, desk soleplate, elastic clamping unit, electromagnet unit, energization Position-limiting unit and earphone suspension unit, the mode of be also spirally connected plate, upper support arm and lower support arm, it is effective to reach support arm The effect of support installation display.The present invention has support arm mounting structure rationally effective, and charge and discharge operations are convenient and efficient, automate Degree is high, and mounting stability is good, and mounting structure is flexibly adjustable, and the advantages of facilitate earphone to hang.

Detailed description of the invention

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

Fig. 2 uses schematic diagram for clamping unit elastic in the present invention.

Fig. 3 is the positional structure schematic diagram of elastic clamping unit, electromagnet unit and energization position-limiting unit in the present invention.

Fig. 4 is the structural schematic diagram of clamping plate in the present invention.

Fig. 5 is the positional structure schematic diagram of energization position-limiting unit in the present invention.

Fig. 6 is the positional structure schematic diagram that round block and electromagnet core are driven in the present invention.

Fig. 7 is the positional structure schematic diagram of earphone cable suspension part in the present invention.

Fig. 8 is the positional structure schematic diagram of aperture plate of the present invention.

Specific embodiment

As described below is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.

Embodiment: as shown in attached drawing 1,2,3,4,5,6,7 and attached drawing 8, a kind of intelligent Display support arm, including with In connection display 10 the plate 11 that is spirally connected, the hinged upper support arm 12 with the plate 11 that is spirally connected, and with the upper support arm 12 Hinged lower support arm 13 further includes the bottom plate 1 being arranged on desktop 14, and the side plate 2 on the bottom plate 1 is arranged in, setting Desk soleplate 3 on the side plate 2 is arranged on the bottom plate 1 and the desk soleplate 3 and for clamping the desktop 14 Elastic clamping unit 4, be arranged on the desk soleplate 3 and by downward magnetic force attract 4 mode of elastic clamping unit with In the electromagnet unit 5 for unlocking the operation that is fixedly clamped, it is arranged on the side plate 2 and connects the electromagnet unit for being powered 5 and position limitation protection described in elastic clamping unit 4 energization position-limiting unit 6, and the earphone being arranged in the lower support arm 13 Suspension unit 8.

In the present embodiment, the plate 11 that is spirally connected, upper support arm 12 and lower support arm 13 and structure in the prior art Identical, the bottom plate 1, side plate 2 and 3 three of desk soleplate are formed for carrying out the U-shaped of engaging installation on the desktop 14 Structure, guarantees basic mounting stability, and the elastic clamping unit 4 by elastic force mode in the enterprising traveling of the desktop 14 The clamp operation of one step guarantees final mounting stability.

On the other hand, the electromagnet unit 5 is that no power is idle when the support arm normally clamps use, when When the support arm needs are unloaded from the desktop 14, the energization position-limiting unit 6 is first adjusted, for being powered described in connection Electromagnet unit 5, and the electromagnet unit 5 overcomes the elastic force in described and pulls downward on opening, releases clamp operation, at this time It is described after the energization position-limiting unit 6 simultaneously there is position-limiting action, i.e., the described electromagnet unit 5 to again switch to off-position Elastic force in elastic clamping unit 4 will not be because of the problem of harmful shock occurs without the desktop 14, the above process It is realized by electromagnetic effects, further embodies the automation advantage of the support arm mounting structure, so that its use process has Have the advantages that convenient, flexible.

The earphone suspension unit 8 includes the engaging frame 801 being arranged on 13 side of lower support arm, is arranged described On engaging frame 801 and for carrying out the screw 802 for being spirally connected fixed in the lower support arm 13, it is arranged in the engaging frame 801 Hanging beam 803 on lateral surface, and the suspension groove 804 in the hanging beam 803 and for placing earphone beam is set.Institute Stating earphone suspension unit 8 further includes the protrusion fricting strip 805 that the suspension groove 804 is arranged in and slots on inner bottom surface, described convex Fricting strip 805 is long axial long axial parallel with the hanging beam 803 out.The earphone suspension unit 8 further includes that setting exists Attract fixed inside flat thin magnet 806 on engaging 801 medial surface of frame and for carrying out magnetic force in the lower support arm 13.

In the present embodiment, the engaging frame 801 and screw 802 are used to guarantee that the installation of the hanging beam 803 to be stablized Property, the suspension groove 804 and protrusion fricting strip 805 are used for so that earphone roof beam structure has when on the suspension groove 804 Frictional force is big, is not easy the advantages of sliding, and the fricting strip 805 is the rubber strip of protrusion, several described fricting strips 805 are set in parallel It sets and is axially mutually perpendicular to the long of the earphone beam, guarantee antiskid effect, on the other hand, the inside flat thin magnet 806 is used for The effect that is spirally connected at the screw 802 is assisted, guarantees that there is magnetic between U-shaped the engaging frame 801 and the lower support arm 13 Gravitational attraction adds the dual fixed effect being spirally connected.

The earphone suspension unit 8 further includes being arranged in the hanging beam 803 and compared to the suspension groove 804 more Earphone cable suspension part 807 far from the lower support arm 13.The earphone cable suspension part 807 includes being arranged in the hanging beam The side that the annular notches 807a is arranged in annular notches 807a and one end on 803 anchor rings and for coiling earphone cable is flat On face and it is parallel with the hanging beam 803 and for compress lopping the earphone cable pressure plate 807b.The earphone cable is outstanding Extension portion 807 further includes being arranged in the hanging beam 803 and compared to the annular notches 807a further from the suspension groove 804 earphone insertion end mounting groove 807c.Bonding is equipped with for elasticity on the inner ring surface of the earphone insertion end mounting groove 807c The elastic ring of clamping machine insertion end.The earphone cable suspension part 807 further includes the side plane that the annular notches 807a is arranged in Above and for the earphone cable fixed orifice plate 807d, the orifice plate 807d and the pressure plate 807b are passed through about the annular Notch 807a be centrosymmetric relationship setting, the orifice plate 807d be equipped with is connected across circular hole, and with described across circular hole Logical side is caught in notch.Bonding is equipped on the lower surface the orifice plate 807d is in concentric circles setting and is used for the circular hole that passes through The internal diameter of the second elastic ring 807e, the second elastic ring 807e of dust on the earphone cable of erasing, which is less than, described passes through circular hole Internal diameter.

In the present embodiment, the earphone cable suspension part 807 is used to fix longer earphone cable, it is avoided arbitrarily to be scattered, Guarantee that the earphone is washed clean and tidy effective coiling and fixed, usage mode is as follows:

First, after the earphone roof beam structure is on the suspension groove 804, earphone cable hangs down naturally, inserts an earphone at this time The earphone cable of end side is caught in the orifice plate 807d, i.e., is caught in notch from the side of rectangle and enters and described pass through circle In hole, earphone cable then is being twitched, so that the second elastic ring 807e covered on the earphone cable, by earphone cable surface Dust scrapes collection, guarantees the clean and tidy of earphone cable, and the material of the second elastic ring 807e is elastic sponge, collects after collecting dust In remove；

Second, first coiling on the annular notches 807a in the annular notches 807a after earphone cable cleaning, and position In in the pressure plate 807b, the pressure plate 807b bending is pressed on the earphone cable of lopping after coiling multi-turn, at this time earphone Line coiling is fixed to be completed, and is reserved enough and suitable length and is placed for earphone cable insertion end to be inserted into the earphone insertion end In slot 807c, at this time includes that earphone beam, earphone cable and earphone insertion end are effectively fixed, guarantee that earphone is integrally fixed stably It is qualitative, it will not be scattered and come when whole display support arm shakes；

Third, the elastic ring in the earphone insertion end mounting groove 807c are sponge material, guarantee earphone insertion end Stability maintenance and mildness, when earphone cable is too long can on annular notches 807a along long axial mostly around several circles, guarantee ear The coiling fixed and flexible of machine line.

4th, earphone cable deforms on the inside of the second elastic ring 807e in the orifice plate 807d pull and is pressed in earphone On wire loop face, guarantees to stablize to remove and hang lower dust, cleaning removes down the dust being collected on the second elastic ring 807e manually again , finally guarantee the earphone suspension unit 8 have integral hanging stable and included earphone cable surface cleaning it is dual excellent Point.

The elastic clamping unit 4 includes across the desk soleplate 3 and the peace on 1 bottom surface of bottom plate is arranged in grafting Fill column 401, be socketed the clamping plate 402 that is arranged in the mounting post 401, be arranged on 1 bottom surface of bottom plate and pass through to Upper lifting 402 mode of clamping plate is existed with the tension spring 403 for being clamped installation on the desktop 14, and setting Outside fixed part 404 on 3 lower surface of desk soleplate and for limiting the fixed mounting post 401.The outside fixed part 404 include the ring 404a that are spirally connected that are arranged on 3 lower surface of desk soleplate, and the setting that is spirally connected is spirally connected on ring 404a and passes through described Upward jack-up mode is with the plate 404b that is spirally connected for limiting the fixed mounting post 401, and is arranged in the plate 404b that is spirally connected Gripping driving plate 404c on lateral surface.The elastic clamping unit 4 further includes being arranged on the clamping plate 402 and for pacifying Several jacks 405 of the mounting post 401 are set in installing, and are arranged on 402 upper surface of clamping plate and are used to increase The protrusion bar 406 of frictional force between the desktop 14, the jack 405 are arranged on the clamping plate 402 close to described At one side position of energization position-limiting unit 6.

In the present embodiment, the elastic clamping unit 4 has the advantage that

First, two 401 two sides of mounting post are grafting, outside as be spirally connected it is fixed described in the plate 404b that is spirally connected withstand, Guarantee its mounting stability, the tension spring 403 is socketed in the mounting post 401 for pulling up the clamping plate 402, is The entire power resources for clamping mounting structure guarantee to clamp mounting stability；

Second, long axial and disengaging glide direction of the clamping plate 402 on the desktop 14 of the protrusion bar 406 Vertically, to improve stiction when clamping, it is further ensured that clip stability；

Third, stress condition is not symmetrical about the tension spring 403 on the clamping plate 402, therefore the jack 405 Insertion is equipped with ball on inner ring surface, and for avoiding the clamping plate 402 from occurring tilting stuck phenomenon, the ball is against described On 401 outer ring surface of mounting post, guarantee mounting stability of the clamping plate 402 in the mounting post 401.

The electromagnet unit 5 includes the electromagnet core 501 being arranged on the desk soleplate 3, is wound on the electromagnetism Solenoid 502 on 501 outer ring surface of iron-core workpiece, setting are spirally connected on plate 404b and described for several concatenated described spiral shells The DC battery 503 that coil 502 is powered, and be arranged on the side plate 2 and the desk soleplate 3 and led for being arranged The guidewire lumen 504 of line.The electromagnet unit 5 further includes being arranged on 3 upper surface of desk soleplate and for the electricity to be arranged Magnet core 501 electromagnet fluting 505, and be arranged on 402 lower surface of clamping plate and by with the solenoid 502 mutual magnetic force attract modes with the iron block 506 for opening the clamping plate 402 downwards, the guidewire lumen 504 and several The electromagnet fluting 505 is connected to.

In the present embodiment, the electromagnet unit 5 has the advantage that

First, when the clamping plate 402 clamps the desktop 14, the effectively stable installation of the support arm is described at this time Unique off position is at the energization position-limiting unit 6 between solenoid 502 and the DC battery 503, the helical Circle 502 fails electric magnetisation；

Second, when the support arm needs are unloaded from the desktop 14, the conductive energization position-limiting unit of first contact 6, the solenoid 502 is powered immediately and the electric downward magnetic force of magnetisation attracts the iron block 506, after overcoming 403 pulling force of tension spring The downward related pulling clamping plate 402, the desktop 14 are released, and the entire support arm can be removed from desk ?；

Third, 501 outer ring surface of electromagnet core are equipped with the annular groove for being embedded in solenoid 502 described in coiling, Guarantee the mounting stability of the solenoid 502, and 501 upper end of electromagnet core is equipped with anticollision elastic piece, avoids described Iron block 506 is too fast to hit the electromagnet core 501；

4th, after the control of energization position-limiting unit 6 is connected to the solenoid 502 and 503 circuit of DC battery, The clamping plate 402 unlocks clamping by automatic suction, and it further ensures the electromagnet units 5 to have flexible operation side Just and the advantages of high degree of automation.

The energization position-limiting unit 6 includes the bolt apertures 601 being arranged on the side plate 2, is arranged in the bolt apertures 601 On the column 602 that is spirally connected, be arranged in the guidewire lumen 504 and to two conductive columns of the projecting inward setting of the bolt apertures 601 603, and be embedded in and the conduction being spirally connected on 602 outer ring surface of column and for two conductive columns 603 of connection that are powered is set Ring 604.Be equipped at the medium position of 602 side of column that is spirally connected on the clamping plate 402 by it is described be spirally connected column 602 into Row engaging limit method is with the arc engaging slot for carrying out position limitation protection when the tension spring 403 pulls the clamping plate 402 605.The guidewire lumen 504 is equipped with the installation that two conductive columns 603 are installed for grafting close to 601 side of bolt apertures Orifice plate 606, two 603 upper ends of conductive column are arc end, and lower end carries out conducting wire connection, 602 outside of column that is spirally connected respectively End is equipped with driving round block 607.

In the present embodiment, the energization position-limiting unit 6 has the advantage that

First, the energization position-limiting unit 6 is in idle state when support arm installation is practical, i.e., described to be spirally connected Column 602 is rotated to opposite exterior lateral sides, and the conducting ring 604 is not contacted with two conductive columns 603, and the tension spring 403 is drawn at this time Move the clamping plate 402, no electricity in the solenoid 502；

Second, when the support arm needs are unloaded from the desktop 14, the column 602 that is spirally connected first is rotated inward, is made It obtains the conducting ring 604 and contacts two conductive columns 603, the solenoid 502 is powered immediately, and downward magnetic force attracts the folder Tight plate 402, opens clamp operation, described at this time to be spirally connected the rotation of column 602 deeply, and position is located at 605 top of arc engaging slot At position, and it is enough to go deep into length；

Third, when not used, the solenoid 502 will be powered off to save electric energy the support arm, at this time the column 602 that is spirally connected Outward, the conducting ring 604 is first separated with the conductive column 603, and the solenoid 502 powers off immediately, the tension spring 403 for rotation The clamping plate 402 is pulled, the column 602 that is spirally connected described at this time gos deep into inner end and can stop by the arc engaging slot 605 The clamping plate 402 avoids the clamping plate 402 because of larger elastic pulling force on direct " pounding " described bottom plate 1, the spiral shell It connects column 602 and a part of impact force is counteracted by self-strength, when the column 602 that is spirally connected rotates outward pull-out again, the tension spring 403 since contracted length halves, and secondary pulling intensity is reduced by, and the clamping plate 402 can be appropriate with one Power returns on the bottom plate 1, restores the original state of the support arm；

4th, the conductive column 603 is set as hollow structure, itself has certain elasticity tension, and guarantee is against always Described to be spirally connected on 602 outer ring surface of column, the insertion of conducting ring 604 is arranged, and outer ring surface is concordant.

1 lower surface of bottom plate is equipped with for carrying out the barrier plate 7 for stopping limit to the desktop 14 of insertion.

In the present embodiment, the barrier plate 7 is deep for insertion of the desktop 14 in U-shaped mounting plates structure of leaving unused Degree, guaranteeing that engaging installation effect is stablized is suitable for, and avoids the case where desktop 14 accidentally touches spring 403, guarantees The pulling using effect of the spring 403.

Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party Formula within the scope of knowledge possessed by those of ordinary skill in the art can also be before not departing from present inventive concept It puts and makes various modifications.These be all without creative modification, as long as in scope of the presently claimed invention all by To the protection of Patent Law.

Claims (10)

1. a kind of intelligent Display support arm, including the plate that is spirally connected (11) for connecting display (10), with the plate that is spirally connected (11) hinged upper support arm (12), and the lower support arm (13) hinged with the upper support arm (12), it is characterised in that: also Including the earphone suspension unit (8) being arranged on the lower support arm (13).

2. a kind of intelligent Display support arm according to claim 1, it is characterised in that: the earphone suspension unit It (8) include the engaging frame (801) being arranged on the lower support arm (13) side, setting is used in combination on the engaging frame (801) In carrying out be spirally connected fixed screw (802) on the lower support arm (13), it is arranged on engaging frame (801) lateral surface Hanging beam (803), and it is arranged on the hanging beam (803) and is used to place the suspension groove (804) of earphone beam.

3. a kind of intelligent Display support arm according to claim 2, it is characterised in that: the earphone suspension unit It (8) further include protrusion fricting strip (805) of the setting on suspension groove (804) the fluting inner bottom surface, the protrusion fricting strip (805) length is axial long axial parallel with the hanging beam (803).

4. a kind of intelligent Display support arm according to claim 2, it is characterised in that: the earphone suspension unit It (8) further include being arranged on engaging frame (801) medial surface and for carrying out magnetic force attraction on the lower support arm (13) Fixed inside flat thin magnet (806).

5. a kind of intelligent Display support arm according to claim 2, it is characterised in that: the earphone suspension unit It (8) further include being arranged on the hanging beam (803) and compared to the suspension groove (804) further from the lower support arm (13) earphone cable suspension part (807).

6. a kind of intelligent Display support arm according to claim 5, it is characterised in that: the earphone cable suspension part It (807) include annular notches (807a) and the one end for being arranged on the hanging beam (803) anchor ring and being used for coiling earphone cable It is arranged on the side plane of the annular notches (807a) and parallel with the hanging beam (803) and for compressing the described of lopping The pressure plate (807b) of earphone cable.

7. a kind of intelligent Display support arm according to claim 6, it is characterised in that: the earphone cable suspension part It (807) further include that setting is on the hanging beam (803) and recessed further from the suspension compared to the annular notches (807a) The earphone insertion end mounting groove (807c) of slot (804).

8. a kind of intelligent Display support arm according to claim 7, it is characterised in that: the earphone insertion end is placed Bonding is equipped with the elastic ring for elastic clamping machine insertion end on the inner ring surface of slot (807c).

9. a kind of intelligent Display support arm according to claim 6, it is characterised in that: the earphone cable suspension part It (807) further include being arranged on the side plane of the annular notches (807a) and passing through fixed orifice plate for the earphone cable (807d), the orifice plate (807d) set with the pressure plate (807b) about the annular notches (807a) relationship of being centrosymmetric It sets, the orifice plate (807d) is equipped with across circular hole, and is caught in notch across the side that circular hole is connected with described.

10. a kind of intelligent Display support arm according to claim 9, it is characterised in that: under the orifice plate (807d) It is bonded and is equipped with and second elasticity across circular hole in dust in concentric circles setting and the earphone cable that is used to erase on surface It encloses (807e), the internal diameter of second elastic ring (807e) is less than the internal diameter for passing through circular hole.