JPS6358807U - - Google Patents

Description

[Brief explanation of the drawing]

1A, B and 2A, B respectively show a schematic side view and a schematic front view illustrating different operating states of the safety moving device for a drawer-type circuit breaker according to the present invention, and FIGS. 6 is a schematic side view illustrating the relationship between the safety moving device and the locking device, FIG. 7 is a schematic side view illustrating the locking device of the drawer type circuit breaker according to the present invention, and FIG. 8 is a schematic side view illustrating the relationship between the safety moving device and the locking device. 10 and 9 are a schematic side view and a schematic front view respectively illustrating the relationship between the movable frame to which the drawer-type circuit breaker according to the present invention is fixed and the fixed frame in which the movable frame is housed. FIG. 11 shows a schematic side view and a schematic front view of the fixed frame, FIGS. 12 to 15 show schematic side views illustrating the structure and operation of the locking device, and FIGS. The figures are a schematic side view and a schematic front view of the movable frame, respectively, and FIG. 18 is a schematic side view showing the relationship between the lower side engaging portions of the movable frame-side moving guide and the fixed frame-side moving guide. 19 and 20 are schematic side views illustrating the moving means of the movable frame, and FIGS. 21 to 23 respectively show the predetermined structure of the drawer type circuit breaker according to the present invention. A schematic perspective view illustrating a means for moving the contacts from a mutually closed position to an open position or in the opposite direction and a moving state. 1... Drawer type circuit breaker, 2... Movable side contact, 3... Fixed side contact, 4... Movable frame, 5...
Fixed frame, 6...Movable frame side moving guide, 7...Fixed frame side moving guide, 10...Lock plate, 13...Link, 16...Lock lever, 28...Cam, 37...
...Trip lever, 38...Push screw, 47...Trip button, 48...Trip operation device, 58...
A predetermined mutually closed position of the movable side contact and the fixed side contact, 59 . . . the predetermined mutually separated position.

Claims (1)

[Scope of utility model registration request] By storing or pulling out the movable frame into the fixed frame through mutual movement guide means provided on both the movable frame to which the circuit breaker is fixed and the fixed frame in which the movable frame is housed, the circuit A movable side contact provided on the circuit breaker and a fixed side contact provided on the fixed frame mutually close or open, and at this time, the movable side contact and the fixed side contact are mutually closed in a predetermined manner. The movable frame is locked to the fixed frame in the mutually closed position and the predetermined mutually separated position, and in this case, the movable frame side movement guide means The locking device is movably connected via a link to one end of a device for locking the fixed frame side movement guide means, and the locking device is manually operated in advance when storing the movable frame in the fixed frame or pulling it out. The driving means of the locking device, which is operated to release the lock between the movable frame side movement guide means and the fixed frame side movement guide means, rotates the cam gear and cam to move the movable frame. The movable frame side movement guide means and the fixed frame side movement guide means are operated together with the movement of the movable frame side movement guide means and the fixed frame side movement guide means again when the predetermined contacts of the movable frame are in the mutually closed position or the open position by driving the locking device. In a drawer-type circuit breaker that is configured to automatically lock between the two, the movable frame is provided with an appropriate tripping button that operates a tripping button provided on the circuit breaker in conjunction with the operation of the locking device. An operating device is provided, and the locking device is operated via its driving means to unlock the movable side contact and the fixed side contact from a predetermined mutually closed position to a mutually open position, or When moving in the opposite direction, the movable part of the tripping operation device restrains the tripping button in conjunction with the unlocking operation of the locking device and forcibly opens the circuit breaker. and the tripping operation device releases the tripping button only when the locking device locks the predetermined contacts in a mutually closed position or in the predetermined contact open position. 1. A drawer-type circuit breaker, characterized in that it can be configured as desired.