CN210532011U

CN210532011U - Automatic supporting arm for display

Info

Publication number: CN210532011U
Application number: CN201921072950.XU
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: 2020-05-15
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to an automatic type support arm for display, including the spiro union board that is used for connecting the display, with the spiro union board articulated goes up the 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 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 attract through 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, and set up and be used for the ohmic connection on the curb plate electro-magnet unit and spacing protection the circular telegram spacing unit of elastic clamping unit. 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 to and the nimble adjustable of mounting structure.

Description

Automatic supporting arm for display

Technical Field

The utility model belongs to the technical field of display support arm structure, especially, relate to a display is with automatic type support arm.

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. Most of the existing supporting arms have a good lifting and rotating adjusting function, but the stability of the base mounting structure of the supporting arms is poor, the supporting arms and the display are prone to toppling over, and therefore the display supporting arms with high mounting stability are 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 is with automatic type support arm, it can be through setting up bottom plate, curb plate, table bottom plate, elastic clamping unit, electro-magnet unit and circular telegram spacing unit on the desktop board, still have the spiro union board, 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 to and the nimble adjustable of mounting structure.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides an automatic type support arm for display, 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 the elasticity clamping unit of desktop board sets up on the table bottom plate and through the downward magnetic force attraction elasticity clamping unit mode is in order to be used for untiing the electro-magnet unit of pressing from both sides tight fixed operation, and sets up on the curb plate and be used for the circular telegram connection electro-magnet unit and spacing protection elasticity clamping unit's circular telegram spacing unit.

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 plate arranged on the screw joint ring and used for limiting and fixing the mounting column in an upward jacking mode, and a holding driving plate arranged on the outer side surface of the second 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 ring surface of the electromagnet core body, a direct-current dry battery arranged on the second screw connection plate and used for supplying power to the plurality of solenoids 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 and circular telegram spacing unit on the desktop board, still the spiro union board, 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 to and the nimble adjustable of mounting structure.

Drawings

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

Fig. 2 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. 3 is a schematic structural view of the middle clamping plate of the present invention.

Fig. 4 is a schematic diagram of a position structure of the middle power-on limiting unit of the present invention.

Fig. 5 is a schematic diagram of the position structure of the middle driving round block and the electromagnet core of 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 and 5, an automatic 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, further comprising a base plate 1 disposed on a table top plate 14, a side plate 2 disposed on the base plate 1, a table bottom plate 3 disposed on the side plate 2, an elastic clamping unit 4 disposed on the base 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, and an electrifying limiting unit 6 which is arranged on the side plate 2 and is used for connecting the electromagnet unit 5 with the elastic clamping unit 4 in an electrifying way and limiting and protecting the elastic clamping unit.

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 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 portion 404 includes a screw ring 404a disposed on the lower surface of the table bottom plate 3, a second screw plate 404b disposed on the screw ring 404a in a screw manner and used for fixing the mounting post 401 in a limited manner by being lifted upward, and a holding driving plate 404c disposed on the outer side surface of the second 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 second threaded plate 404b fixed by threaded connection, so that the mounting stability of the 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 and mounting structure, and the clamping and 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 second screwing plate 404b and configured to supply power to a plurality of the solenoids 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 automatic support arm for a display, comprising a screw plate (11) for connecting a display (10), an upper support arm (12) hinged to said screw plate (11), and a lower support arm (13) hinged to said upper support arm (12), characterized in that: the table top plate fixing device is characterized by further comprising a bottom plate (1) arranged on the table top plate (14), a side plate (2) arranged on the bottom plate (1), a table bottom plate (3) arranged on the side plate (2), an elastic clamping unit (4) arranged on the bottom plate (1) and the table bottom plate (3) and used for clamping the table top plate (14), an electromagnet unit (5) arranged on the table bottom plate (3) and used for releasing clamping and fixing operations in a mode of attracting the elastic clamping unit (4) through downward magnetic force, and an electrifying limiting unit (6) arranged on the side plate (2) and used for electrifying and connecting the electromagnet unit (5) and limiting and protecting the elastic clamping unit (4).

2. An automatic supporting arm for a display according to claim 1, wherein: elasticity clamping unit (4) are including passing table bottom plate (3) and grafting setting are in erection column (401) on bottom surface under bottom plate (1), cup joint the setting and are in clamping plate (402) on erection column (401) sets up on bottom plate (1) bottom surface down and through upwards lifting clamping plate (402) mode is in order to be used for on desktop board (14) go up extension spring (403) of pressing from both sides tight installation to and set up and be in on table bottom plate (3) lower surface and be used for spacing fixed outside fixed part (404) of erection column (401).

3. An automatic supporting arm for a display according to claim 2, wherein: the outer side fixing portion (404) comprises a screw joint ring (404a) arranged on the lower surface of the table bottom plate (3), a second screw joint plate (404b) which is arranged on the screw joint ring (404a) in a screw joint mode and used for limiting and fixing the mounting column (401) in an upward jacking mode, and a holding driving plate (404c) arranged on the outer side face of the second screw joint plate (404 b).

4. An automatic supporting arm for a display according to claim 2, wherein: the elastic clamping unit (4) further comprises a plurality of insertion holes (405) which are formed in the clamping plate (402) and used for installing and arranging the installation columns (401), and protruding strips (406) which are arranged on the upper surface of the clamping plate (402) and used for increasing friction force between the elastic clamping unit and the desktop plate (14), wherein the insertion holes (405) are formed in the clamping plate (402) at positions close to one side of the power-on limiting unit (6).

5. An automatic supporting arm for a display according to claim 3, wherein: the electromagnet unit (5) comprises an electromagnet core body (501) arranged on the table bottom plate (3), a solenoid coil (502) wound on the outer annular surface of the electromagnet core body (501), a direct current dry battery (503) arranged on the second screw connection plate (404b) and used for supplying power to a plurality of series-connected solenoid coils (502), and a wire cavity (504) arranged on the side plate (2) and the table bottom plate (3) and used for arranging wires.

6. An automatic supporting arm for a display according to claim 5, wherein: the electromagnet unit (5) further comprises an electromagnet groove (505) which is formed in the upper surface of the table bottom plate (3) and used for arranging the electromagnet core body (501), and an iron block (506) which is arranged on the lower surface of the clamping plate (402) and used for opening the clamping plate (402) downwards in a mutual magnetic attraction mode with the solenoid coil (502), wherein the wire cavity (504) is communicated with the electromagnet groove (505).

7. An automatic supporting arm for a display according to claim 5, wherein: the electrifying limiting unit (6) comprises a screwing hole (601) formed in the side plate (2), screwing columns (602) arranged on the screwing hole (601), two conductive columns (603) arranged on the wire cavity (504) and protruding into the screwing hole (601), and conductive rings (604) embedded in the outer annular surface of the screwing column (602) and used for being electrically connected with the two conductive columns (603).

8. An automatic supporting arm for a display according to claim 7, wherein: the middle position of the clamping plate (402) close to one side of the screw connection column (602) is provided with an arc-shaped clamping groove (605) which is used for limiting and protecting when the tension spring (403) pulls the clamping plate (402) in a clamping and limiting mode through the screw connection column (602).

9. An automatic supporting arm for a display according to claim 7, wherein: wire chamber (504) are close to screw hole (601) one side is equipped with and is used for pegging graft the installation two install 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 respectively and connects, be equipped with drive circle piece (607) on screw post (602) outside end.

10. An automatic supporting arm for a display according to claim 1, wherein: and a blocking plate (7) used for blocking and limiting the inserted desktop plate (14) is arranged on the lower surface of the bottom plate (1).