Search

CN-116201432-B - Cabinet door opening and closing labor-saving device

CN116201432BCN 116201432 BCN116201432 BCN 116201432BCN-116201432-B

Abstract

The invention relates to the field of cabinet assembly accessories, in particular to a cabinet door opening and closing labor-saving device, wherein a thrust wheel is tightly attached to one side of an eccentric turntable, which is far away from the circle center, under the action of a thrust spring; the eccentric turntable is controlled to rotate through the push rod, and the stress points of the thrust wheel and the eccentric turntable are changed, so that when a user lifts the cabinet plate by hand, the push rod is pushed to rotate clockwise, and then the push rod drives the eccentric turntable to rotate clockwise, when the eccentric turntable rotates to a stress balance point deviating from the thrust wheel and the eccentric turntable, namely, as long as the user opens or closes the cabinet door to open to a certain extent, the cabinet door can be automatically opened or closed under the action of the elastic push rod assembly, and the cabinet door can be opened and closed in a more labor-saving manner, and is more convenient.

Inventors

  • YE BAILIAN

Assignees

  • 东莞动源机电科技有限公司

Dates

Publication Date
20260508
Application Date
20230320

Claims (6)

  1. 1. The cabinet door opening and closing labor-saving device is characterized by comprising a booster shell, an elastic push rod assembly, an elastic push rod fixing bracket, a spring pre-pressing adjusting assembly, a movable turntable assembly and a thrust wheel, wherein the movable turntable assembly comprises an eccentric turntable and a push rod connected to one side of the eccentric turntable, the eccentric turntable is movably assembled in the booster shell through a rotating shaft, and the push rod extends out of the booster shell; the elastic push rod fixing support is assembled in the booster shell, an elastic push rod track is arranged in the elastic push rod fixing support, the elastic push rod assembly is assembled in the elastic push rod track, one end of the elastic push rod assembly is tightly attached to the spring pre-pressing adjusting assembly, the other end of the elastic push rod assembly pushes the thrust wheel and one side, away from the circle center, of the eccentric turntable to be tightly attached under the action of self elastic force, the push rod controls the eccentric turntable to rotate and changes the stress point of the thrust wheel and the eccentric turntable, and when the stress point deviates from the stress balance point of the thrust wheel and the eccentric turntable, the elastic push rod assembly pushes the eccentric turntable to continuously keep clockwise or anticlockwise rotating; an upper damping component and a lower damping component are also arranged in the booster shell, and the elastic push rod component pushes the eccentric rotary disc to rotate and enable the push rod to contact with the upper damping component, or the elastic push rod component pushes the eccentric rotary disc to rotate and enable the eccentric rotary disc to contact with the lower damping component; The elastic push rod assembly comprises an elastic front shell, an elastic rear shell and two thrust springs, wherein the elastic front shell and the elastic rear shell are respectively internally provided with two spring grooves for accommodating the thrust springs, two ends of each thrust spring are respectively arranged in the spring grooves of the elastic front shell and the elastic rear shell, the end part of the elastic front shell is movably connected with the thrust wheel, the elastic rear shell is tightly attached to the spring pre-pressing adjusting assembly under the action of the thrust springs, and the compression degree of the thrust springs is adjusted through the spring pre-pressing adjusting assembly.
  2. 2. The cabinet door opening and closing labor-saving device according to claim 1, wherein the tail end of the elastic push rod fixing support is further provided with a fitting groove, the spring pre-pressing adjusting assembly is fitted in the fitting groove, the spring pre-pressing adjusting assembly comprises an adjusting support, a screw rod and an adjusting block, the adjusting support is fixedly arranged in the fitting groove, the screw rod is arranged on the adjusting support, the screw rod penetrates through the adjusting block to be in threaded fit with the adjusting block, one side of the adjusting block is provided with a first inclined surface structure facing to the elastic rear shell, and the end part of the elastic rear shell is provided with a sliding inclined surface structure, and the sliding inclined surface structure and the first inclined surface structure are tightly attached to each other.
  3. 3. The cabinet door opening and closing labor-saving device according to claim 2, wherein one end of the screw is further provided with a screw hole groove, and an adjusting opening is formed in the position, corresponding to the screw hole groove, of the booster shell.
  4. 4. The cabinet door opening and closing labor-saving device according to claim 1, wherein the lower damping component comprises a lower end sliding block, a lower hydraulic damping rod and a damping rod assembling bracket, wherein the lower hydraulic damping rod is assembled in the booster shell through the damping rod assembling bracket, a waist hole is formed in the surface of the lower end sliding block, the lower end sliding block penetrates through the booster shell through a rivet and is assembled with the booster shell in the waist hole, one end of the lower end sliding block is contacted with the lower hydraulic damping rod, and the other end of the lower end sliding block is contacted with the eccentric turntable.
  5. 5. The cabinet door opening and closing labor-saving device according to claim 1, further comprising a housing supporting frame arranged in the booster housing, wherein a cavity for accommodating the eccentric turntable is formed in the housing supporting frame, a damping assembling groove is formed in the upper end of the housing supporting frame, the upper damping assembly comprises an upper damping support and an upper hydraulic damping rod, the upper hydraulic damping rod is assembled in the damping assembling groove through the upper damping support, one end of the upper hydraulic damping rod is tightly attached to the end portion of the elastic push rod fixing support, and the other end of the upper hydraulic damping rod is tightly attached to the push rod.
  6. 6. The labor-saving cabinet door opening and closing device according to claim 1, wherein the eccentric turntable is provided with a driving hole, and the booster shell is provided with an arc-shaped opening corresponding to the movement track of the driving hole.

Description

Cabinet door opening and closing labor-saving device Technical Field The invention relates to the field of cabinet assembly accessories, in particular to a labor-saving device for opening and closing a cabinet door. Background As a necessary device for sorting storage, furniture plays a very important role in daily life of people, and furniture plays a very large role in interior decoration. It should be further explained that, for existing furniture, such as cabinet doors, the opening and closing actions are generally controlled by a handle, and the door needs to be completely opened or closed, which is laborious and inconvenient, and if a user does not pay attention to the situation that half of the door is closed may occur. Disclosure of Invention In order to solve the problems, the invention provides the cabinet door opening and closing labor-saving device, and the cabinet door can be automatically closed and kept in a closed state under the action of the elastic push rod assembly, so that the cabinet door can be opened and closed more labor-saving and more convenient. The cabinet door opening and closing labor-saving device comprises a booster shell, an elastic push rod assembly, an elastic push rod fixing support, a spring pre-pressing adjusting assembly, a movable turntable assembly and a thrust wheel, wherein the movable turntable assembly comprises an eccentric turntable and a push rod connected to one side of the eccentric turntable, the eccentric turntable is movably assembled in the booster shell through a rotating shaft, the push rod extends to the outside of the booster shell, the elastic push rod fixing support is assembled in the booster shell, an elastic push rod track is arranged in the elastic push rod fixing support, the elastic push rod assembly is assembled in the elastic push rod track, one end of the elastic push rod assembly is tightly attached to the spring pre-pressing adjusting assembly, the other end of the elastic push rod assembly pushes one side of the eccentric turntable away from the center of a circle under the action of self elastic force, the push rod controls the eccentric turntable to rotate and changes the stress point of the eccentric turntable, and when the stress point deviates from the stress balance point of the thrust wheel and the eccentric turntable, the elastic push rod assembly pushes the eccentric turntable to keep clockwise or anticlockwise rotate continuously. As a further optimization scheme, the elastic push rod assembly comprises an elastic front shell, an elastic rear shell and a thrust spring, wherein spring grooves for accommodating the thrust spring are arranged in the elastic front shell and the elastic rear shell, two ends of the thrust spring are respectively arranged in the spring grooves of the elastic front shell and the elastic rear shell, the end part of the elastic front shell is movably connected with the thrust wheel, the elastic rear shell is tightly attached to the spring pre-pressing adjusting assembly under the action of the thrust spring, and the elastic rear shell is pushed by the spring pre-pressing adjusting assembly and used for adjusting the compression degree of the thrust spring. The elastic pushing rod fixing support comprises an elastic pushing rod fixing support, a spring pre-pressing adjusting component and a spring pre-pressing adjusting component, wherein the elastic pushing rod fixing support is arranged at the tail end of the elastic pushing rod fixing support, the spring pre-pressing adjusting component is arranged in the assembling groove in an assembling mode, the spring pre-pressing adjusting component comprises an adjusting support and a screw, the adjusting support is fixedly arranged in the assembling groove, the screw is arranged on the adjusting support, the screw penetrates through an adjusting block to be in threaded fit with the adjusting block, a first inclined surface structure facing to an elastic rear shell is arranged on one side of the adjusting block, a sliding inclined surface structure is arranged at the end portion of the elastic rear shell, and the sliding inclined surface structure and the first inclined surface structure are tightly attached to each other. As a further optimization scheme, one end of the screw rod is further provided with a screw hole groove, and an adjusting opening is formed in the position, corresponding to the screw hole groove, of the booster shell. As a further optimization scheme, an upper damping component and a lower damping component are further arranged in the booster shell, the elastic push rod component pushes the eccentric rotary disc to rotate and enable the push rod to be in contact with the upper damping component, or the elastic push rod component pushes the eccentric rotary disc to rotate and enable the eccentric rotary disc to be in contact with the lower damping component. As a further optimization scheme, the lower damping component comprises a lower end