JPS6035515B2 - gate lock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a gate lock provided at the free end of an opening/closing type gate, and particularly to a drive mechanism for the latch bolt.

The object of the present invention is to provide an outer handle plate on the outside of the door so that it can move freely up and down, move the outer handle plate to drive a latch bolt via an operating shaft, and lock or lock a cylinder on the outer handle plate. It is an object of the present invention to provide a drive or its control mechanism in which the operation of the operating shaft can be controlled via a lock cam by a lock shaft which is rotatably operated by the operating heir of the inner lock plate part.

Embodiments of the present invention will be described below with reference to the drawings.

The gate lock in the present invention consists of an operating side lock part A and a receiving side lock part B, the operating side lock part A has an outer handle plate 1 and an inner handle plate 2, and the receiving side lock part B has an outer handle plate 1. ' and an inner handle plate 2'.

A latch bolt 3 is provided in the operating side lock part A so that the latch bolt 3 can be rolled around with its center part, and the latch bolt 3 is provided in the receiving side lock part B.
A receiver 4 is fixedly provided to engage the left and right doors C and D, which are integrated when the left and right doors C and D are closed. 3
The receiver 4 is automatically engaged with the receiver 4, and when the door is opened, the latch bolt is rotated to disengage the opposing receiver 4.

Two upper and lower support walls 2a and 2b are formed on the door C side inner surface of the inner latch plate 2 of the operating side lock part A with a gap between them so as to form a mounting space R for the latch bolt 3. Support wall 2
At the lower right corner of a and the upper left corner of the lower support wall 2b, there is a retracted portion 2 for allowing the latch bolt 3 to rotate counterclockwise.
a, , 2b, are provided.

In the mounting space R, the rotation support shaft 2 of the latch bolt 3
c protrudes, and a support cylinder portion 2d is provided at the same distance from the support shaft 2c.

A coil spring 5 is wound around the rotation support shaft 2c, and its inner end 5a engages with the notch 2d of the support cylinder 2d, and its outer end 5b rotates in the counterclockwise direction on the support cylinder 2d. It engages with the stopper wall 2d so that it can be laid down. A support hole 2e for the operating knob 6 is formed in the upper support wall 2a.

The operating knob 6 is provided with a shaft portion 6a extending inward, and a locking collar 6b is provided in the middle. A square hole 6c into which a square lock shaft 7 is inserted is formed in the shaft portion 6a. The operating knob 6 is provided by being inserted into the support hole 2e from the inner surface of the inner lever plate 2 while engaging its locking collar 6b with the inner surface of the inner lever plate 2. An operating hole 3a is provided in the middle of the latch bolt 3, and a large diameter engagement hole 3b for receiving the turning support shaft 2c is formed on one side of the operation hole 3a. A notched engagement recess 3 for receiving the outer end 5b of the coil spring 5 is provided in the cylindrical portion 3c provided in the same manner as the coil spring 5.
c, are provided symmetrically with respect to the center.

A box portion 3d is protruded from the other side of the operated hole 3a, and a rotation regulating projection 3e is provided. The latch bolt 3 is positioned in the mounting space R between the support walls 2a and 2b with the engagement hole 3b engaged with the supporting shaft 2c on one side, and the wisteria part 3d on the pond side is connected to the cover plate 8. It is installed by screwing the screw 9 into the inner lock plate 2 while the screw 9 is inserted into the support hole 8a.

At this time, the wisteria part 6a of the operating knob 6 is supported by the support hole 8b of the cover plate 8, and the rotation regulating protrusion 3e is supported by the support hole 8a.
It engages in one of the symmetrically formed rotation permitting elongated holes 8c. In this state, the operating punch portion 3f and the latch punch portion 3g of the latch bolt 3 are moved from the mounting space to the inner latch plate 2.
protrude to both sides.

The latch village portion 3g is provided with a tapered abutment surface 39 that narrows upward. A mounting plate 10 is fixed to the inner surface of the outer handle plate 1 with screws 11, and the operation case 12 is fixed by engaging the flanges 12a, 12a with the channel parts 10a, 10a on both sides of the mounting plate 10.
is provided to be able to move up and down.

The operation case 12 includes a rotor 13 that constitutes a cylinder lock S.
The rotor 13 of the cylinder lock S is slidably located in the elongated hole 10b of the mounting plate and faces the outside through the iron operation hole 1a of the outer handle plate 1. A rotor 13 of the cylinder lock S is provided with a lock shaft 7 and a lock cam 14.

15 is a spring for positioning the lock cam 14.

A bearing portion 12c is disposed on the operation case 12, and a controlled shaft portion 16a of the operation shaft 16 for the latch bolt 3 is iron-coupled with the bearing portion 12c.

A driven arm 16b is mounted on the controlled shaft portion 16a, and the driven arm 16b is located above the driving protrusion 10c on the mounting plate 10'. Two fixed punches 17, 17 are provided on the top and bottom of the operation case 12 so as to protrude toward the inner handle plate 2, and a connecting punch 18 is connected to the ends of the fixed punches 17, 17. The fixing screw 19 is screwed together.

In the above configuration, in order to fix the operating side lock part A to the right door C, the outer operating recess C at the free end of the door C is required.
, the outer handle plate 1 to operation case 12 assembled in advance are engaged to predetermined positions of the mounting portion C2, and the inner handle plate 2 to the latch bolt 3 assembled in advance are engaged to the predetermined positions of the mounting portion C2 in the operation recess C3 on the inner side. The fixing screws 19 are screwed into the female threads of the coupling cup 18 through the respective insertion holes from the inner lock plate 2 to secure the coupling cup 18 in combination. 7 engages in the square hole 6c of the operating droplet 6, and the operating shaft 16 engages in the operated hole 3a of the latch bolt 3.

Regarding the receiving side lock part B, in the exploded perspective view of Fig. 3,
Components having the same structure as the operating side lock portion A are designated by the same reference numerals.

To explain the difference, in the receiving plate portion 4a of the receiving plate 4 of the inner lock plate 2', there is a tapered abutment surface 4a which is narrowed downward and faces the tapered abutment surface 39 of the latch bolt 3; A rotation prevention hole 8d for the rotation restriction projection 4b is formed in the cover plate 8 symmetrically on both sides of a support hole 8a for the sea bream portion 4c.

The receiving side lock part B is not provided with an operating heir, a lock shaft, a cylinder lock, or an operating shaft, and the outer handle plate 1' does not move up and down.

The receiver side lock part B is fixed to the left door D through the inner and outer operating recesses D, , D3 and the attachment part D2 at its free end.

To open the door from the state where the latch bolt 3 is engaged with the receiver 4 as shown in FIG. 9, push up the operation village portion 3f from the inside as shown in FIG. While disengaging from the receiver 4 while pointing downward, open it inward.

In this case, the latch port 3 has a notched engagement recess 3c.
, the outer end 5b of the coil spring 5 is restrained and rolled around, so that when the latch bolt 3 is released, the coil spring 5
It returns to the solid line position in the same figure due to the restoring force. As shown in FIG. 7A, the operated hole 3a with respect to the operating shaft 16 has a space that allows the latch bolt 3 to rotate in all directions, so it can be rotated without operating the operating shaft 16. move. next,
To open the door from the outside, by lifting the outer handle plate 2, the driving protrusion 10c hits the driven arm 16b and rotates the operating shaft 16, so that the operating shaft 16 latches as shown in the opening in FIG. Rotate bolt 3.

By operating the cylinder lock S from the outside and the operating knob 6 from the inside, the lock cam 14 moves from the non-restricted state shown in FIG. , and restricts the operation of the operating koji 16, making it impossible to lift the outer handle plate 1 and unlock it from the outside.

When the door C is closed from the state in which the door C is opened inward, the latch punch portion 3g of the latch bolt 3 closes the tapered abutting surface 4 of the receiving plate portion 4a of the receiver 4 with its tapered abutting surface 3 seal.
a, and rotates downward against the coil spring 5 (FIG. 8, A), and when it gets over the receiving slope part 4a, it is restored by the coil spring 5 and engages with the receiving plate part 4a. , to ensure the locked state.

In the above configuration, in order to configure the left and right opposite hands, switch the operating side lock part A and the receiving side lock part B to the left and right, remove the cover plates 8, 8, and turn the latch port 3 and the catch 4 1800 times each. Then, they are placed facing each other in the above-mentioned state with the vertical relationship reversed (FIG. 10).

In this case, since the latch bolt rotates in the same direction during operation, there is no need to change the drive mechanism of the operating shaft 16, and changing operations can be easily performed. Since the present invention is constructed as described above, by engaging the operating shaft into the operated hole of the latch bolt, the motion is immediately transmitted to the latch bolt, and the motion of the latch bolt is restrained by the cam of the lock shaft. Since the operation is performed on the operating shaft, the drive or control mechanism for the latch bolt can be simplified, and the latch bolt has the advantage of being able to easily change the direction of the latch bolt when the left and right hands are different.

[Brief explanation of the drawing]

FIG. 1 is a front view showing the installed state of the gate lock according to the present invention;
Figure 2 A. The opening is an end view of the opposite side of the operating side lock part and the receiving side lock part,
Figure 3 is an overall exploded perspective view, Figure 4 is an exploded perspective view showing the main parts of the inner latch plate and latch bolt, Figure 5 is a front view showing the engagement relationship of the latch bolt with the inner handle plate, and Figure 6 is an exploded perspective view of the latch bolt. , The opening is a front view showing the relationship between the lock cam and the controlled shaft part, Figure 7 A, the opening is a front view showing the relationship between the latch port and the operating shaft, and Figure 8 A, opening and C are the latch bolt and holder. Fig. 9 is a cross-sectional view showing the engagement state between the latch bolt and the receiver, and Fig. 10 is a diagram of the inner latch part when changed depending on the left and right hand. FIG. C, D... Opposite doors, 1, 1'...
・Outer handle plate, 2, 2'...Inner handle plate, 3...
... Latch bolt, 3a ... Operated hole, 4.
...Receive money, 6...Operation droplet, 7...
Lock shaft, 14...Lock cam, 16...
...Operation axis, S...Cylinder lock. Fig. 1 Fig. 2 Fig. 2 Fig. 4 Fig. 3 Fig. 5 Fig. 8 Fig. 9・ Fig. 6 Fig. 10 Fig. 7

Claims (1)

[Claims] 1 Inside the free end of the gate, a latch bolt having a latch rod that engages with the receiver of the opposing door on one side and an operating rod on the other side is rotatably supported, and the outer handle of the gate A plate is provided to be movable up and down, and an operating shaft that rotates due to the operation of the outer handle plate is inserted into the operated hole of the support shaft of the latch bolt to operate the cylinder lock or the inner latch plate on the outer handle plate. A lock cam is provided on a lock shaft that is rotated by a knob, and the lock cam is engaged with and disengaged from a controlled shaft portion of the operating shaft, thereby restricting or permitting the rotational movement of the operating shaft. A gate lock featuring: