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CN-122004726-A - Oral microscope

CN122004726ACN 122004726 ACN122004726 ACN 122004726ACN-122004726-A

Abstract

The invention discloses an oral microscope, which comprises a base, a mounting seat, a mounting bracket, a conductive connecting mechanism and a wire winding mechanism, wherein the mounting seat is rotatably arranged above the base and is provided with an optical component, the mounting bracket is arranged on the mounting seat and is used for mounting a display screen, the mounting bracket is provided with a contact, the conductive connecting mechanism comprises a rotary power supply device, a first conductive path and a second conductive path, the rotary power supply device comprises an elastic pressing component, a fixed conductive piece and a movable conductive piece which are in sliding contact with each other, the elastic pressing component is connected with the movable conductive piece and is used for keeping the movable conductive piece in electrical contact with the fixed conductive piece, and the exposed flexible cable is replaced by the built-in rotary power supply device, so that the mounting seat and the display screen on the mounting seat can rotate freely in an unlimited position, and the wire winding is avoided.

Inventors

  • XU WEIZHENG
  • ZHAO YIRONG

Assignees

  • 温州医科大学附属口腔医院

Dates

Publication Date
20260512
Application Date
20260122

Claims (7)

  1. 1. The utility model provides an oral microscope, includes base (1) and mount pad (2), mount pad (2) rotatable set up in base (1) top, be equipped with optical component (3) on mount pad (2), its characterized in that still including: The mounting bracket (4) is arranged on the mounting seat (2) and used for mounting the display screen (5), and the mounting bracket (4) is provided with a contact (6); a conductive connection mechanism, the conductive connection mechanism comprising: A rotary power supply device (7), wherein the rotary power supply device (7) is arranged between the base (1) and the mounting seat (2), and the rotary power supply device (7) is used for maintaining the electric connection of the base (1) and the mounting seat (2) when the base and the mounting seat relatively rotate; A first conductive path (8), the first conductive path (8) being for electrically connecting an external power source with an input of the rotary power supply device (7); -a second conductive path (9), said second conductive path (9) being for electrically connecting an output of said rotary power supply (7) with said contact (6); The rotary power supply device (7) comprises an elastic pressing part (10), a fixed conductive piece (11) and a movable conductive piece (12) which are in sliding contact with each other, wherein the elastic pressing part (10) is connected with the movable conductive piece (12) and is used for keeping the movable conductive piece (12) in electrical contact with the fixed conductive piece (11).
  2. 2. The oral microscope according to claim 1, wherein the fixed conductive member (11) comprises an annular conductive plate (13) arranged on the base (1), the movable conductive member (12) comprises a conductive brush (14) arranged on the mounting base (2), the elastic pressing component (10) comprises a spring (15) arranged at the end part of the conductive brush (14), and two ends of the spring (15) respectively abut against the conductive brush (14) and the mounting base (2) and are used for driving the conductive brush (14) to abut against the annular conductive plate (13).
  3. 3. An oral microscope according to claim 2, characterized in that the annular conductive plate (13) is provided with a signal contact track (16), the movable conductive member (12) further comprises a signal probe (17) arranged corresponding to the signal contact track (16), and the signal probe (17) is in point contact with the signal contact track (16) under the action of self elasticity.
  4. 4. An oral microscope according to claim 3 characterised in that the signal contact track (16) is a microstrip or stripline printed on an insulating substrate and impedance matched.
  5. 5. An oral microscope according to claim 1, characterised in that the mounting bracket (4) is provided with a first magnetic element (18) in correspondence with the contact (6), the first magnetic element (18) being adapted to interact with a second magnetic element provided on the display screen (5) to guide the mounting bracket (4) in abutment with the display screen (5).
  6. 6. The oral microscope according to claim 1, wherein the rotary power supply device (7) is accommodated in an inner layer sealing cavity (19), an outer layer heat dissipation air duct (20) isolated from the inner layer sealing cavity (19) is formed in the mounting seat (2) or the base (1), and a vent hole (21) is formed in the side wall of the mounting seat (2) or the base (1) corresponding to the outer layer heat dissipation air duct (20).
  7. 7. An oral microscope according to claim 6 characterised in that the outer layer heat dissipation tunnel (20) corresponds to the rotary power supply (7).

Description

Oral microscope Technical Field The invention relates to the technical field of medical instruments, in particular to an oral microscope. Background Oral surgical microscope is an important device for modern dental diagnosis and treatment. In order to facilitate the observation of the operator, modern oral microscopes are often equipped with an external auxiliary display screen. Currently, such displays are typically connected to an external port by an external cable. Nowadays, an oral microscope is generally provided with universal wheels at the bottom to facilitate movement adjustment, and as the observation lens at the tail end of the oral microscope needs to be frequently rotated and adjusted in a large range at multiple angles during operation, an external cable connected with a display screen is extremely easy to wind and pull with a mechanical arm of the microscope. The operation efficiency is affected by seriously interfering with smooth operation of doctors, and the display screen is likely to fall down due to abrupt tightening of the cable, so that potential safety hazards exist. At the same time, repeated bending and pulling also accelerates the aging and damage of the cable, and thus needs to be improved. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to overcome the defects that an external display screen cable of the oral microscope is easy to wind, the operation is influenced and the reliability is insufficient in the prior art, and provides the oral microscope which is compact in structure, high in operation freedom degree and reliable in connection, and the power supply and signal transmission of the display screen are realized through the built-in rotary connection mechanism, so that the interference of the external cable is thoroughly avoided. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides an oral microscope, includes base and mount pad, the mount pad is rotatable to be set up in the base top, be equipped with optical component on the mount pad, still including: the mounting bracket is arranged on the mounting seat and used for mounting the display screen, and the mounting bracket is provided with a contact; a conductive connection mechanism, the conductive connection mechanism comprising: The rotary power supply device is arranged between the base and the mounting seat and is used for maintaining electric connection of the base and the mounting seat when the base and the mounting seat rotate relatively; a first conductive path for electrically connecting an external power source with an input of the rotary power supply device; a second conductive path for electrically connecting an output of the rotary power supply to the contact; the rotary power supply device comprises an elastic pressing part, a fixed conductive piece and a movable conductive piece, wherein the fixed conductive piece and the movable conductive piece are in sliding contact with each other, and the elastic pressing part is connected with the movable conductive piece and is used for keeping the movable conductive piece and the fixed conductive piece in electrical contact. As a further improvement of the invention, the fixed conductive part comprises an annular conductive plate arranged on the base, the movable conductive part comprises a conductive brush arranged on the mounting seat, the elastic pressurizing part comprises a spring arranged at the end part of the conductive brush, and two ends of the spring respectively abut against the conductive brush and the mounting seat and are used for driving the conductive brush to abut against the annular conductive plate. As a further improvement of the invention, the annular conductive plate is provided with a signal contact track, the movable conductive piece also comprises a signal probe which is arranged corresponding to the signal contact track, and the signal probe keeps point contact with the signal contact track under the self elastic action. As a further development of the invention, the signal contact track is a microstrip line or a strip line which is printed on an insulating substrate and whose impedance is matched. As a further improvement of the invention, the corresponding contact of the mounting bracket is provided with a first magnetic piece, and the first magnetic piece is used for being mutually adsorbed with a second magnetic piece arranged on the display screen so as to guide the mounting bracket to be in butt joint with the display screen. As a further improvement of the invention, the rotary power supply device is accommodated in an inner layer sealing cavity, an outer layer heat dissipation air duct isolated from the inner layer sealing cavity is formed in the mounting seat or the base, and a vent hole is formed on the side wall of the mounting seat or the base corresponding to the outer layer heat dissipation air duct. As a