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CN-122014977-A - Multi-degree-of-freedom adjusting device of screen monitoring equipment

CN122014977ACN 122014977 ACN122014977 ACN 122014977ACN-122014977-A

Abstract

The invention discloses a multi-degree-of-freedom adjusting device of screen monitoring equipment, which relates to the technical field of screen adjusting devices and comprises an armature plate, an annular electromagnet and a damping pulling piece, wherein the armature plate is clamped with a cylindrical rolling head of the damping pulling piece through a unidirectional ratchet wheel on the outer side, the damping pulling piece is connected with the annular electromagnet through a return spring, an annular coil in the annular electromagnet is connected with an external controller through a connecting wire, and the annular electromagnet is sleeved on the outer side of the armature plate. According to the invention, through the installation of the armature plate, the annular electromagnet and the damping poking piece, the non-contact electromagnetic locking and the anti-falling self-locking are realized, the service life of the equipment is prolonged, the maintenance cost is reduced, and the safety and the reliability of the equipment are improved.

Inventors

  • ZHANG FENG

Assignees

  • 北京数码视讯科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (10)

  1. 1. The multi-degree-of-freedom adjusting device of the screen monitoring equipment comprises an armature disc (1), an annular electromagnet (9) and a damping poking piece (14), and is characterized in that the armature disc (1) is clamped with a cylindrical rolling head (17) of the damping poking piece (14) through a one-way ratchet wheel (3) on the outer side, the damping poking piece (14) is fixed in a groove (10) through a fixed shaft (12), the damping poking piece (14) is connected with the annular electromagnet (9) through a return spring (13), an annular coil inside the annular electromagnet (9) is connected with an external controller (22) through a connecting wire, the annular electromagnet (9) is sleeved on the outer side of the armature disc (1), the armature disc (1) is fixed on a central shaft (5) through a first limiting disc (7) and a second limiting disc (8), a first bearing (19) and a second bearing (20) on the central shaft (5) are connected with a connecting cylinder (21), and the controller (22) on the connecting cylinder (21) is connected with an adjusting button (28) on a monitoring display screen (27) through a connecting wire.
  2. 2. The multi-degree-of-freedom adjusting device of the screen monitoring equipment according to claim 1, wherein the armature disc (1) is annular, symmetrically distributed clamping grooves (2) are formed in the side face of the inner wall of the armature disc (1), the clamping grooves (2) are of rectangular structures, the inner wall of the clamping grooves (2) is mutually attached to the outer wall of the clamping block (6), the clamping block (6) is symmetrically arranged on the side face of the outer wall of the central shaft (5), a first limiting disc (7) and a second limiting disc (8) are arranged on the side face of the outer wall of the central shaft (5), and the armature disc (1) is fixed between the first limiting disc (7) and the second limiting disc (8).
  3. 3. The multi-degree-of-freedom adjusting device of the screen monitoring equipment according to claim 2, wherein the side face of the outer wall of the armature plate (1) is provided with unidirectional ratchets (3), the unidirectional ratchets (3) are distributed in a circumferential array on the outer side of the armature plate (1), the rear side of the unidirectional ratchets (3) is an outer arc round face, the front side of the unidirectional ratchets (3) is an inner arc round face, and the inner arc round face of the unidirectional ratchets (3) is provided with damping pads (4).
  4. 4. The multi-degree-of-freedom adjusting device of screen monitoring equipment according to claim 3, wherein the outer wall of the damping pad (4) is mutually attached to the outer wall of the cylindrical rolling head (17), the cylindrical rolling head (17) is fixed at the front end of the damping stirring sheet (14) through a rotating shaft, a second circular groove (15) is formed in the bottom end of the outer wall of the damping stirring sheet (14), a reset spring (13) is connected in the second circular groove (15), the top end of the outer wall of the reset spring (13) is arranged in the second circular groove (15), and the bottom end of the outer wall of the reset spring (13) is arranged in the first circular groove (11).
  5. 5. The multi-degree-of-freedom adjusting device of screen monitoring equipment according to claim 4, wherein the first circular groove (11) is formed in the bottom end of the inner wall of the groove (10), the groove (10) is formed in the inner wall of the annular electromagnet (9), the groove (10) is distributed in a circumferential array on the inner wall of the annular electromagnet (9), a fixed shaft (12) is arranged on the side face of the inner wall of the groove (10), the outer wall of the fixed shaft (12) is embedded with the inner wall of the through hole (16), the through hole (16) is formed in the side face of the outer wall of the damping poking piece (14), the through hole (16) penetrates from the left side of the outer wall of the damping poking piece (14), the through hole (16) penetrates from the right side of the outer wall of the damping poking piece (14), and the damping poking piece (14) is fixed in the groove (10) through the fixed shaft (12).
  6. 6. The multi-degree-of-freedom adjusting device of screen monitoring equipment according to claim 5, wherein an annular groove is formed in the annular electromagnet (9), the annular groove is in a closed annular shape along the circumferential direction of the annular electromagnet (9), annular coils are arranged in the annular groove and uniformly distributed in a surrounding mode along the circumferential direction of the annular groove, connecting wires are arranged at the tail ends of the annular coils, and the connecting wires of the annular coils penetrate through the annular electromagnet (9) to be connected with a controller (22).
  7. 7. The multi-degree-of-freedom adjusting device of the screen monitoring equipment according to claim 6, wherein the annular electromagnet (9) is fixed on the side surface of the inner wall of the connecting cylinder (21), third circular grooves (23) are formed in two sides of the outer wall of the connecting cylinder (21), the inner walls of the third circular grooves (23) on two sides of the connecting cylinder (21) are respectively embedded with the outer walls of the first bearing (19) and the second bearing (20), the structures of the first bearing (19) and the second bearing (20) are identical in size, and the inner walls of the first bearing (19) and the second bearing (20) are embedded with the outer wall of the central shaft (5).
  8. 8. The multi-degree-of-freedom adjusting device of screen monitoring equipment according to claim 7, wherein the central shaft (5) is connected with a torque sensor (18), the torque sensor (18) is arranged on the outer side of the first limiting disc (7), the torque sensor (18) is fixed inside a connecting cylinder (21), the inner wall of the connecting cylinder (21) is embedded with the outer wall of the torque sensor (18), a connecting wire is arranged on the outer wall of the torque sensor (18), the connecting wire of the torque sensor (18) penetrates through the connecting cylinder (21) to be connected with a controller (22), the controller (22) is arranged at the top end of the outer wall of the connecting cylinder (21), and a supporting rod (24) is arranged at the bottom end of the outer wall of the connecting cylinder (21).
  9. 9. The multi-degree-of-freedom adjusting device of screen monitoring equipment according to claim 8, wherein two sides of the outer wall of the central shaft (5) are connected with a connecting rod (25), the front end of the outer wall of the connecting rod (25) is connected with a fixing plate (26), the fixing plate (26) is rectangular, and the outer wall of the fixing plate (26) is connected with a monitoring display screen (27).
  10. 10. The multi-degree-of-freedom adjusting device of screen monitoring equipment according to claim 9, wherein an adjusting button (28) is arranged on the outer side of the monitoring display screen (27), a connecting wire is arranged on the inner side of the adjusting button (28), and the connecting wire of the adjusting button (28) is connected with a controller (22) at the top end of the outer wall of the connecting cylinder (21).

Description

Multi-degree-of-freedom adjusting device of screen monitoring equipment Technical Field The invention relates to the technical field of screen adjusting devices, in particular to a multi-degree-of-freedom adjusting device of screen monitoring equipment. Background Along with the wide application of video monitoring technology in fields such as traffic management, industrial control, medical assistance and security protection control, screen monitoring equipment needs frequent angle of adjustment and position for satisfy the observation demand of different visual angles, current common screen adjusting device adopts manual pivot, friction hinge or mechanical locking structure more, a part of monitor display screen realizes angle adjustment through the damping pivot, rely on the inside friction torque of pivot to balance monitor screen gravity, but the friction disc wearing and tearing easily after long-term use, lead to locking force to descend, slow gliding phenomenon appears in the screen, stability is relatively poor, another part of device adopts manual knob or bolt locking mode, although can realize fixed, but the accommodation process is loaded down with trivial details, need both hands operation, and be difficult to realize continuous and fine angle adjustment, and availability factor has been reduced. Patent CN115493050B discloses a screen adjusting device, and the above patent realizes adjustment of the screen angle. The motion assembly of above-mentioned patent is connected with first loading board for drive first loading board is along the direction that first guide slot prescribes a limit to the motion, and this screen adjusting device is through constructing specific product structure, realizes the adjustment of screen angle, has improved the flexibility of screen, improves customer experience degree, but still has the optimization room in the aspect of long-term use keeps locking force. Therefore, the application provides the multi-degree-of-freedom adjusting device of the screen monitoring equipment, which can maintain the locking force for a long time. Disclosure of Invention The invention aims to provide a multi-degree-of-freedom adjusting device for screen monitoring equipment, which aims to solve the technical problems of inconvenient screen adjustment, poor locking reliability and insufficient safety of the conventional device in the background technology. The multi-degree-of-freedom adjusting device for the screen monitoring equipment comprises an armature plate, an annular electromagnet and a damping pulling piece, wherein the armature plate is clamped with a cylindrical rolling head of the damping pulling piece through a one-way ratchet wheel on the outer side, the damping pulling piece is fixed in a groove through a fixing shaft, the damping pulling piece is connected with the annular electromagnet through a reset spring, an annular coil inside the annular electromagnet is connected with an external controller through a connecting wire, the annular electromagnet is sleeved on the outer side of the armature plate, the armature plate is fixed on a central shaft through a first limiting plate and a second limiting plate, a first bearing and a second bearing on the central shaft are connected with a connecting cylinder, and the controller on the connecting cylinder is connected with an adjusting button on a monitoring display screen through a connecting wire. Preferably, the armature plate is circular, the side surface of the inner wall of the armature plate is provided with symmetrically distributed clamping grooves, the clamping grooves are of rectangular structures, the inner wall of each clamping groove is mutually attached to the outer wall of each clamping block, the clamping blocks are symmetrically arranged on the side surface of the outer wall of the central shaft, the side surface of the outer wall of the central shaft is provided with a first limiting plate and a second limiting plate, and the armature plate is fixed between the first limiting plate and the second limiting plate. Preferably, the side surface of the outer wall of the armature plate is provided with unidirectional ratchets, the unidirectional ratchets are distributed in a circumferential array on the outer side of the armature plate, the rear side of the unidirectional ratchets is an outer arc round surface, the front side of the unidirectional ratchets is an inner arc round surface, and the inner arc round surface of the unidirectional ratchets is provided with a damping pad. Preferably, the damping pad outer wall is mutually attached with the cylindrical rolling head outer wall, the cylindrical rolling head is fixed at the front end of the damping plectrum through the rotating shaft, the bottom end of the damping plectrum outer wall is provided with a second circular groove, a reset spring is connected in the second circular groove, the top end of the reset spring outer wall is arranged in the second circular g