Search

CN-224232619-U - Manual switching-on and switching-off operation structure

CN224232619UCN 224232619 UCN224232619 UCN 224232619UCN-224232619-U

Abstract

The utility model relates to the technical field of mechanical engineering, in particular to a manual opening and closing operation structure which comprises an opening and closing box body, wherein a handle mechanism is rotatably connected to the right side of the opening and closing box body, the handle mechanism comprises a connecting shaft, the connecting shaft is rotatably connected to the right side of the opening and closing box body, a driving arm is fixedly sleeved on the outer wall of the connecting shaft, an operation shaft mechanism is fixedly arranged at the top end of the opening and closing box body through bolts, and the operation shaft mechanism is fixedly penetrated in the opening and closing box body. The utility model is convenient to solve the problem of laborious operation of the driving arm by mutually matching the internal parts of the handle mechanism, is convenient to lock and limit the rotation of the connecting shaft, improves the stability of the driving arm, is convenient for a plurality of driving plates to be positioned at two sides of the opening and closing rod of the circuit breaker by mutually matching the internal parts of the operating shaft mechanism, and improves the stress between the driving plates and the opening and closing rod of the circuit breaker uniformly, thereby completing the opening and closing operation of the opening and closing rod of the circuit breaker.

Inventors

  • WANG ZEYUAN
  • LIU FENG
  • ZHAO YANHONG
  • JIANG YEDI

Assignees

  • 上海宏力达信息技术股份有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (6)

  1. 1. The manual opening and closing operation structure is characterized by comprising an opening and closing box body (1), wherein a handle mechanism (2) is rotatably connected to the right side of the opening and closing box body (1) and penetrates into the opening and closing box body (1), an operation shaft mechanism (3) is fixed at the top end of the opening and closing box body (1) through a bolt, and the operation shaft mechanism is fixedly penetrated into the opening and closing box body (1); The handle mechanism (2) comprises a connecting shaft (202), the connecting shaft (202) is rotatably connected to the right side of the opening and closing box body (1) and penetrates through the opening and closing box body (1) in a sliding manner, a driving arm (201) is fixedly sleeved on the outer wall of the connecting shaft (202), and a square column (203) is mechanically fixed on one side of the connecting shaft (202) penetrating through the opening and closing box body (1); The operation shaft mechanism (3) comprises a plurality of breaker devices (301), the breaker devices (301) are fixed in the opening and closing box body (1) through bolts, the opening and closing box body (1) is penetrated through the opening and closing box body, the bottom end of the breaker devices (301) is connected with a breaker opening and closing rod (302) through a spring in a sliding mode, the opening and closing box body (1) is penetrated through the opening and closing rod (301), the opening and closing operation shaft (303) is welded in the opening and closing box body (1), the opening and closing operation shaft is positioned at the bottom ends of the breaker devices (301) and the breaker opening and closing rod (302), a plurality of driving plates (304) are welded and fixed between the bottom end of the breaker devices (301) and the breaker opening and closing rod (302), and a connecting plate (305) is welded and fixed on the outer wall of the opening and closing operation shaft (303), and a torsion spring (306) is mechanically connected between the bottom end of the connecting plate (305) and the inner wall of the opening and closing box body (1).
  2. 2. The manual brake closing and opening operation structure according to claim 1, wherein the handle mechanism (2) further comprises a limiting ring (204), the limiting ring (204) is sleeved and fixed on the outer wall of the connecting shaft (202) and is connected in the brake closing and opening box body (1) in a sliding mode, a reset spring (205) is mechanically connected between one side of the limiting ring (204) and the inner wall of the brake closing and opening box body (1), and a plurality of limiting posts (206) are mechanically connected to the surface of one side, far away from the reset spring (205), of the limiting ring (204) and penetrate through the inner wall of the brake closing and opening box body (1).
  3. 3. The manual switching-on and switching-off operation structure according to claim 1, wherein a plurality of connecting seats matched with the circuit breaker equipment (301) are welded and fixed in the switching-on and switching-off box body (1), and a movable space matched with the circuit breaker switching-on and switching-off rod (302) is formed in the circuit breaker equipment (301).
  4. 4. The manual opening and closing operation structure according to claim 1, wherein a horizontal rod matched with a driving plate (304) is mechanically connected to the bottom end of the opening and closing rod (302) of the circuit breaker, connecting grooves matched with torsion springs (306) are formed in the opening and closing box body (1) and on the surface of a connecting plate (305), and limiting grooves matched with the opening and closing operation shaft (303) are formed in the inner wall of the opening and closing box body (1).
  5. 5. The manual opening and closing operation structure according to claim 1, wherein a square connecting hole matched with the square column (203) is formed on the right side of the opening and closing operation shaft (303), a sliding groove matched with the connecting shaft (202) is formed in the opening and closing box body (1), and the diameter of the outer wall of the square column (203) is smaller than that of the connecting shaft (202).
  6. 6. The manual brake closing and opening operation structure according to claim 2, wherein a supporting groove matched with the limiting ring (204) is formed in the brake closing and opening box body (1), a plurality of limiting holes matched with the limiting columns (206) are formed in the inner wall of the supporting groove, and the length of the driving arm (201) is consistent with the width of the side face of the brake closing and opening box body (1).

Description

Manual switching-on and switching-off operation structure Technical Field The utility model relates to the technical field of mechanical engineering, in particular to a manual switching-on and switching-off operation structure. Background The high-voltage switch equipment is key equipment for power transmission and control in a power grid, and is a basic function of the high-voltage switch equipment in a stable, reliable and rapid switching-on/off mode. The outdoor circuit breakers on the market at present are basically divided into a spring operation configuration, a permanent magnet operation configuration and an electric control operation configuration, and a spring mechanism for manual switching-on and switching-off operation must be installed in a mechanism box according to the actual requirements of users. In the spring mechanism operated circuit breaker, the switching-on operation is realized by instantaneously releasing the pre-stored switching-on spring energy and switching-on and holding the switching-on by an internal part, and the switching-off operation is realized by releasing and tripping the holding part. The manual switching-on and switching-off operation structure of the traditional breaker switch mostly adopts an eccentric type and is influenced by space, the driving crank arm of the switching-on and switching-off operation rod is shorter, so that the problem of labor-consuming operation exists, and in the switching-on and switching-off operation, the bending plate is stressed more and unevenly, so that the problem of low reliability is caused Therefore, it is necessary to provide a manual opening and closing operation structure to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a manual switching-on and switching-off operation structure, which is convenient for solving the problem of laborious operation of a driving arm through the mutual matching among the internal parts of a handle mechanism, is convenient for locking and limiting the rotation of a connecting shaft, improves the stability of the driving arm, is convenient for a plurality of driving plates to be positioned on two sides of a switching-on and switching-off rod of a circuit breaker through the mutual matching among the internal parts of the operating shaft mechanism, improves the stress uniformity between the driving plates and the switching-on and switching-off rod of the circuit breaker, and further completes the switching-on and switching-off operation of the switching-on and switching-off rod of the circuit breaker. In order to achieve the aim, the manual opening and closing operation structure comprises an opening and closing box body, wherein the right side of the opening and closing box body is rotatably connected with a handle mechanism and penetrates into the opening and closing box body, and an operation shaft mechanism is fixed at the top end of the opening and closing box body through bolts and penetrates into the opening and closing box body; The handle mechanism comprises a connecting shaft, the connecting shaft is rotationally connected to the right side of the opening and closing box body and penetrates through the inside of the opening and closing box body in a sliding manner, the outer wall of the connecting shaft is fixedly sleeved with a driving arm, and one side, penetrating through the inside of the opening and closing box body, of the connecting shaft is mechanically fixed with a square column; The operation shaft mechanism comprises a plurality of breaker devices, the breaker devices are fixed in the opening and closing box body through bolts and penetrate through the top end of the opening and closing box body, the bottom end of the breaker devices is connected with an opening and closing rod of the breaker through a spring in a sliding mode and penetrates through the inside of the breaker devices, the opening and closing box body is welded and rotated in the inside of the opening and closing box body to form an opening and closing operation shaft, the opening and closing operation shaft is located at the bottom ends of the breaker devices and the opening and closing rod of the breaker, a plurality of driving plates are welded and fixed on the outer wall of the opening and closing operation shaft and located between the bottom end of the breaker devices and the opening and closing rod of the breaker, and a connecting plate is welded and fixed on the outer wall of the opening and closing operation shaft, and a torsion spring is mechanically connected between the bottom end of the connecting plate and the inner wall of the opening and closing box body. Preferably, the handle mechanism further comprises a limiting ring, the limiting ring is sleeved and fixed on the outer wall of the connecting shaft and is slidably connected to the inside of the opening and closing box body, a reset spring is mechanically connected between one side of the limiting ring