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CN-224213955-U - Household equipment with self-locking protection mechanism

CN224213955UCN 224213955 UCN224213955 UCN 224213955UCN-224213955-U

Abstract

The utility model relates to the technical field of household equipment, and provides household equipment with a self-locking protection mechanism, which comprises a machine body and a door body opened and closed on the inner cavity of the machine body, wherein the machine body is provided with a driver and a lock rod; when the working state of the household equipment reaches the preset locking condition, the driver drives the lock rod to move along the direction of locking the door body, and the lock rod moves to mechanically interfere with the door body to limit the door body to be opened. Through the cooperation of driver and locking lever, realized the automatic locking of door body under the preset locking condition, effectively prevented that the user from being in the maloperation under the operational condition of domestic appliance and opened the door body, improved the security in the domestic appliance use.

Inventors

  • LI RENHUI
  • QU JIANGJUN

Assignees

  • 广东格兰仕集团有限公司
  • 广东格兰仕电器制造有限公司
  • 广东格兰仕微波炉电器制造有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (10)

  1. 1. The household equipment with the self-locking protection mechanism comprises a machine body (1) and a door body (2) which is opened and closed on the inner cavity of the machine body (1), and is characterized in that the machine body (1) is provided with a driver (3) and a lock rod (4); The lock rod (4) is movably arranged on the machine body (1), and the output end of the driver (3) is directly or indirectly connected with the lock rod (4) in a transmission way; When the working state of the household equipment reaches a preset locking condition, the driver (3) drives the lock rod (4) to move along the direction of the locking door body (2), and the lock rod (4) moves to the door body (2) to form mechanical interference so as to limit the door body (2) to be opened, so that the door body (2) is automatically locked.
  2. 2. The household appliance with self-locking protection mechanism according to claim 1, characterized in that the machine body (1) is provided with a control device (5) and a detection unit (6) for detecting the working state parameters of the household appliance; The driver (3) and the detection unit (6) are respectively and electrically connected with the control device (5), and the control device (5) is used for controlling the action of the driver (3) according to the detection signal of the detection unit (6).
  3. 3. The household appliance with the self-locking protection mechanism according to claim 2, wherein the detection unit (6) is configured to control the driver (3) to drive the lock rod (4) to move to the position of the locking door body (2) when detecting that the temperature of the inner cavity of the machine body (1) reaches a preset temperature threshold value or detecting that the working starting running time of the household appliance reaches a preset time threshold value.
  4. 4. Household appliance with self-locking protection mechanism according to claim 2, characterized in that the detection unit (6) comprises a temperature sensor for detecting the temperature of the internal cavity of the body (1).
  5. 5. A household appliance with a self-locking protection mechanism according to claim 2, characterized in that the detection unit (6) comprises a timer for detecting the start-of-operation run time to the end-of-operation time of the household appliance.
  6. 6. The household equipment with the self-locking protection mechanism according to claim 1, wherein the output end of the driver (3) is provided with a transmission piece (7) which is jointed with the lock rod (4), and the transmission piece (7) is movably connected with the output end of the driver (3); the transmission part (7) is a gear, and the lock rod (4) is provided with a rack (4.1) meshed with the gear.
  7. 7. The household equipment with the self-locking protection mechanism according to claim 1 is characterized in that a first micro switch (8) for detecting the movement of the lock rod (4) to an initial position and a second micro switch (9) for detecting the movement of the lock rod (4) to a locking position are arranged at the position of the machine body (1) corresponding to the movement stroke of the lock rod (4), and a shifting block (4.3) for triggering the micro switch is arranged on the lock rod (4).
  8. 8. The household appliance with a self-locking protection mechanism according to claim 1, wherein the door body (2) is provided with a locking groove (2.1) which forms mechanical interference with the locking rod (4).
  9. 9. The household equipment with the self-locking protection mechanism according to claim 1 is characterized in that a bracket (10) for fixing the driver (3) is arranged on the inner side of the machine body (1), a guide groove is formed in the machine body (1) corresponding to the lock rod (4), a guide part (4.2) matched with the guide groove is formed in the lock rod (4), and the guide part (4.2) is limited to move in the guide groove in the moving process of the lock rod (4).
  10. 10. The household equipment with the self-locking protection mechanism according to claim 1, wherein the household equipment is a microwave oven, an oven, a light wave oven, a micro-steaming and baking integrated machine, a disinfection cabinet or a dish washer; the driver (3) and the lock rod (4) are vertically and sequentially arranged in the machine body (1) along the height direction of the machine body (1), and the driver (3) drives the lock rod (4) to reciprocate up and down; Or the driver (3) and the lock rod (4) are transversely arranged on the machine body (1), and the driver (3) drives the lock rod (4) to transversely reciprocate.

Description

Household equipment with self-locking protection mechanism Technical Field The utility model relates to the technical field of household equipment, in particular to household equipment with a self-locking protection mechanism. Background The existing household equipment such as a dish washer, a sterilizing cabinet, a microwave oven or an oven and the like are provided with door bodies which are opened and closed on the machine body, the inner cavities of the household equipment are usually high in temperature during the drying process of the dish washer, the high-temperature sterilization of the sterilizing cabinet and the cooking of foods by the microwave oven and the oven, if the door bodies can be opened at will in the high-temperature working state of the household equipment, and when the user is opened by misoperation, the user is easy to be scalded by high-temperature gas. The door body of the dish washer is usually provided with a door lock micro switch, when the door lock is opened, the micro switch is disconnected, the dish washer is electrified, but a user can open the door body at will, and the microwave oven and the oven are generally prevented from misoperation, and a two-step operation unlocking door body mechanism is arranged, so that the structure of opening and closing the door body by one-step operation is effectively replaced. Thus a further improvement is made based on the above prior art. Disclosure of utility model The utility model provides the household equipment with the self-locking protection mechanism, the automatic locking of the door body under the preset locking condition is realized through the matching of the driver and the locking rod, the door body is effectively prevented from being opened by misoperation of a user when the household equipment is in a working state, and the safety of the household equipment in the use process is improved. The household equipment with the self-locking protection mechanism comprises a machine body and a door body which is opened and closed on the inner cavity of the machine body, wherein the machine body is provided with a driver and a lock rod; The lock rod is movably arranged on the machine body, and the output end of the driver is directly or indirectly connected with the lock rod in a transmission way; When the working state of the household equipment reaches a preset locking condition, the driver drives the lock rod to move along the direction of the locking door body, and the lock rod moves to mechanically interfere with the door body to limit the door body to be opened, so that the door body is automatically locked. The machine body is provided with a control device and a detection unit for detecting working state parameters of household equipment; The driver and the detection unit are respectively and electrically connected with the control device, and the control device is used for controlling the action of the driver according to the detection signal of the detection unit. The detection unit is configured to control the driver to drive the lock rod to move to the position of the locking door body when detecting that the temperature of the inner cavity of the machine body reaches a preset temperature threshold value or detecting that the working starting running time of the household equipment reaches a preset time threshold value. The detection unit comprises a temperature sensor for detecting the temperature of the inner cavity of the machine body. The detection unit includes a timer for detecting a work start operation time to a work end time of the home appliance. The output end of the driver is provided with a transmission piece which is connected with the lock rod; The transmission part is a gear, and the lock rod is provided with a rack meshed with the gear. The machine body is provided with a first micro switch for detecting the movement of the lock rod to an initial position and a second micro switch for detecting the movement of the lock rod to a locking position corresponding to the movement stroke position of the lock rod, and the lock rod is provided with a shifting block for triggering the micro switch. The door body is provided with a locking groove which forms mechanical interference with the locking rod. The inner side of the machine body is provided with a bracket for fixing the driver, the machine body is provided with a guide groove corresponding to the lock rod, the lock rod is provided with a guide part matched with the guide groove, and the guide part is limited and moves in the guide groove in the moving process of the lock rod. The household equipment is a microwave oven, an optical wave oven, a micro-steaming and baking integrated machine, a sterilizing cabinet or a dish washer; The driver and the lock rod are vertically and sequentially arranged in the machine body along the height direction of the machine body, and the driver drives the lock rod to reciprocate up and down; Or the driver and the lock rod