JPS6398961U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a side sectional view of a cylinder lock with a knob according to the present invention, Fig. 2 is a left side view of the cylinder lock with a knob,
Figure 3 is the front view of Figure 2, and Figure 4 is the front view of Figure 2.
The cross-sectional view, Figure 5, is the cross-sectional view of Figure 2, Figure 6.
The figure is a cross-sectional view of FIG. 2, and FIG. 7 is a partial side cross-sectional view of the cylinder lock with knob attached to the vehicle body. DESCRIPTION OF SYMBOLS 1... Cylinder lock outer cylinder, 1a... Notch groove, 2... Knob, 2a... Cylindrical part, 2b... Notch groove, 2c... Circumferential groove, 3
... Cylinder lock inner cylinder, 4... Operating rod, 5... First pin,
6...Second pin, 7...Tumbler.

Claims (1)

[Scope of utility model registration request] In a cylinder lock with a knob, in which a knob is fitted into the outer cylinder of the cylinder lock, and the knob cannot be rotated in the locked state, but can be rotated in the unlocked state, a locking tumbler is provided inside the cylinder lock outer cylinder. The built-in cylinder lock inner cylinder and the operating rod are placed behind it, and the first pin is inserted into the notch groove drilled in the cylinder lock outer cylinder from the closed position to the open position of the knob operation. , the operating rod is fixed in the axial direction within the outer cylinder of the cylinder lock, and the outer cylinder of the cylinder lock and the cylindrical part of the knob are cut out to communicate between the locking position and the unlocking position of the key operation. Circumferential grooves are provided, and second pins facing each of these circumferential grooves are provided in the inner cylinder of the cylinder lock, and in the unlocked position, when the knob rotates from the closed position to the open position, the first pin moves inside the notched groove. The second pins are guided in the respective circumferential grooves so that they can be disengaged from the inner cylinder of the cylinder lock, and the operating rod, which is engaged with the knob via the first pin, can be moved by rotating the knob. In the locking position, the cylinder lock inner cylinder is restricted from rotating by a tumbler protrusion, and the knob, which is engaged with the cylinder inner cylinder via the second pin, is prevented from rotating. Cylinder lock with knob.