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CN-224214069-U - Radiation-proof lead door

CN224214069UCN 224214069 UCN224214069 UCN 224214069UCN-224214069-U

Abstract

The utility model discloses a radiation-proof lead door, relates to the field of hospital supplies, and provides a radiation-proof lead door with a more labor-saving door opening function. The radiation-proof lead door comprises a door frame, a door body and a switch auxiliary device, wherein a mounting plate is arranged on the door frame, a connecting rod is arranged on the door body, the switch auxiliary device comprises a rotating bottom plate, a motor, a winding drum, a pull rope, a spring, pulleys, a pressure measuring device, a brake device and a controller, the rotating bottom plate is horizontally arranged and hinged with the mounting plate, the axes of the motor and the winding drum are parallel to the door frame, the motor and the winding drum are both arranged on the rotating bottom plate, the winding drum is connected with the motor, the pulleys are positioned at the inner side of the winding drum and connected with the rotating bottom plate, two ends of the pull rope are respectively connected with the winding drum and the spring, the pull rope is wound on the winding drum, the spring is connected with the inner end of the connecting rod, the brake device can limit the rotation of the winding drum, the pressure measuring device is positioned at the inner side of the winding drum and can measure the pressure given by the winding drum, and the controller can control the motor and the brake device to work according to the measured value of the pressure measuring device.

Inventors

  • YU WEI
  • XU XU
  • XU WENYUE
  • HOU LISHA
  • LI ZHENLIN

Assignees

  • 四川大学华西医院

Dates

Publication Date
20260508
Application Date
20250124

Claims (8)

  1. 1. The radiation-proof lead door comprises a door frame (1) and a door body (2), wherein the door body (2) is arranged in the door frame (1) and hinged with the door frame (1), and is characterized by comprising a switch auxiliary device (3), wherein the door frame (1) comprises a door frame main body (101) and a mounting plate (102), the mounting plate (102) is horizontally arranged, the mounting plate (102) is positioned on the inner side of the top of the door frame main body (101) and connected with the door frame main body (101), the door body (2) comprises a door body main body (201) and a connecting rod (202), and the connecting rod is connected with the inner side of the top of the door body main body (201); The auxiliary switch device (3) comprises a rotating bottom plate (301), a motor (302), a winding drum (304), a pull rope (305), a spring (309), pulleys (308), a pressure measuring device (307), a brake device (306) and a controller (3010), wherein the rotating bottom plate (301) is horizontally arranged and hinged with a mounting plate (102), the axes of the motor (302) and the winding drum (304) are parallel to a door frame (1), the motor (302) and the winding drum (304) are both arranged on the rotating bottom plate (301), the winding drum (304) is connected with the motor (302), a pulley (308) is arranged on the inner side of the winding drum (304) and connected with the rotating bottom plate (301), two ends of the pull rope (305) are respectively connected with the winding drum (304) and the spring (309), the spring (309) is connected with the inner end of a connecting rod (202), the brake device (306) can limit the rotation of the winding drum (304), the pressure measuring device (307) is arranged on the inner side of the winding drum (304) and can measure the pressure given by the winding drum (304), and the controller (3010) can control the working value of the motor (307) and the brake device (302) according to the pressure measuring value of the pressure measuring device (307).
  2. 2. The radiation-proof lead door according to claim 1, wherein the switch auxiliary device (3) comprises a limit post (3011), the limit post (3011) is located at the outer side of the rotating base plate (301) and connected with the rotating base plate (301), and the limit post (3011) limits the rotating angle of the rotating base plate (301).
  3. 3. The radiation-proof lead door according to claim 2, wherein the distance between the limit post (3011) and the rotating bottom plate (301) is 3mm when the reel (304) is in contact with the pressure measuring device (307).
  4. 4. The radiation-proof lead door as defined in claim 2, wherein the spool (304) comprises a spool shaft (3042), a spool body (3043) and two mounting seats (3041), the two mounting seats (3041) are arranged at intervals and are connected with the rotating base plate (301), the spool shaft (3042) is mounted on the two mounting seats (3041), the spool body (3043) is sleeved on the spool shaft (3042), the spool body (3043) comprises a winding part (30431) and a functional part (30434), the pull rope (305) is connected with the winding part (30431) and wound on the winding part (30431), and the pressure measuring device (307) and the braking device (306) act on the functional part (30434).
  5. 5. The radiation-proof lead door according to claim 4, wherein the motor (302) is connected with the spool shaft (3042) through a coupling (303).
  6. 6. The radiation-proof lead door according to claim 2, wherein the braking device (306) comprises a braking plate frame (3061), a braking plate (3062), a friction plate (3063) and an electric telescopic cylinder (3064), the braking plate frame (3061) is connected with the rotating base plate (301), the upper end of the braking plate (3062) is hinged with the braking plate frame (3061), one end of the electric telescopic cylinder (3064) is hinged with the rotating base plate (301), the other end of the electric telescopic cylinder is hinged with the lower end of the braking plate (3062), and the friction plate (3063) is connected with the braking plate (3062).
  7. 7. The radiation-proof lead door according to claim 2, wherein the pressure measuring device (307) comprises a roller (3071), a roller frame (3072), a moving shaft (3074), a guide sleeve (3073) and a pressure sensor (3075), the guide sleeve (3073) is connected with the rotating base plate (301), the pressure sensor (3075) is connected with the mounting plate (102), the moving shaft (3074) penetrates through the guide sleeve (3073) and is matched with the guide sleeve (3073), one end of the moving shaft (3074) is connected with the roller frame (3072), the other end of the moving shaft corresponds to the position of the pressure sensor (3075), and the roller (3071) is mounted on the roller frame (3072).
  8. 8. The radiation-proof lead door according to claim 2, comprising a dust cover (103), wherein the dust cover (103) is connected with the rotating base plate (301), and the motor (302), the winding drum (304), the pressure measuring device (307), the braking device (306) and the controller (3010) are all arranged in the dust cover (103).

Description

Radiation-proof lead door Technical Field The utility model relates to the field of hospital supplies, in particular to a radiation-proof lead door. Background Hospitals have many examination and treatment equipment, such as CT scanning equipment, nuclear magnetic resonance equipment, radiotherapy equipment, etc., which, when in use, produce radiation that can be harmful to hospital staff and patients if no radiation isolation measures are taken, so the doors of the room in which the equipment is placed typically employ lead doors, which isolate the radiation. The application relates to a radiation-proof lead door, which is characterized in that a lead door is opened and closed in a mode similar to a common door, and a rotary opening and closing mode and a push-pull opening and closing mode are adopted. In order to keep the lead door normally closed, a mechanism for driving the door body of the lead door to rotate towards the door frame is arranged. For example, patent application number 202322718046.4 discloses a high performance radiation resistant lead door that employs a cylinder to drive the body of the lead door to swing in the direction of the door frame. When the door is opened, the door is pushed by force to open, the air cylinder is compressed, when the door is released, the air cylinder rebounds and stretches to automatically close the door body, and meanwhile, the air cylinder also has the function of pressing the door body to keep sealing between the door body and the door frame. The plumbous door weight is very much than ordinary door, opens plumbous door and just needs great power, adds the thrust of cylinder, and the power that needs to open plumbous door is bigger to open the whole in-process of plumbous door and all need great thrust, it is hard and inconvenient to open the door. Disclosure of utility model The utility model aims to solve the technical problem of providing the radiation-proof lead door with a more labor-saving door opening function. The technical scheme adopted for solving the problems is that the radiation-proof lead door comprises a door frame and a door body, wherein the door body is arranged in the door frame and hinged with the door frame, and the radiation-proof lead door also comprises a switch auxiliary device, wherein the door frame comprises a door frame main body and a mounting plate, the mounting plate is horizontally arranged, and the mounting plate is positioned on the inner side of the top of the door frame main body and connected with the door frame main body; The switch auxiliary device comprises a rotating bottom plate, a motor, a winding drum, a pull rope, a spring, pulleys, a pressure measuring device, a brake device and a controller, wherein the rotating bottom plate is horizontally arranged and hinged with a mounting plate, the axes of the motor and the winding drum are parallel to a door frame, the motor and the winding drum are both arranged on the rotating bottom plate, the winding drum is connected with the motor, the pulleys are positioned on the inner side of the winding drum and connected with the rotating bottom plate, two ends of the pull rope are respectively connected with the winding drum and the spring, the pull rope is wound on the winding drum, the spring is connected with the inner end of a connecting rod, the brake device can limit the rotation of the winding drum, the pressure measuring device is positioned on the inner side of the winding drum and can measure the pressure given by the winding drum, and the controller can control the motor and the brake device to work according to the measured value of the pressure measuring device. The switch auxiliary device comprises a limit column, wherein the limit column is positioned at the outer side of the rotating bottom plate and connected with the rotating bottom plate, and the limit column limits the rotating angle of the rotating bottom plate. Further, when the winding drum is contacted with the pressure measuring device, the distance between the limiting column and the rotating bottom plate is 3mm. The winding drum comprises a winding drum shaft, a winding drum main body and two mounting seats, wherein the two mounting seats are arranged at intervals and are connected with the rotating bottom plate, the winding drum shaft is arranged on the two mounting seats, the winding drum main body is sleeved on the winding drum shaft, the winding drum main body comprises a winding part and a functional part, a pull rope is connected with the winding part and winds the winding part, and the pressure measuring device and the braking device act on the functional part. Further, the motor is connected with the winding drum shaft through a coupler. The brake device comprises a brake plate frame, a brake plate, a friction plate and an electric telescopic cylinder, wherein the brake plate frame is connected with the rotating bottom plate, the upper end of the brake plate is hinged with the brake plate fr