JPS6035514B2 - 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 mechanism for attaching a latch bolt to the lock body.

An object of the present invention is to horizontally support a latch bolt rotatably by an intermediate portion, and to engage the latch punch portion in a superposed state with a holder of an opposing door, so that when the door is closed, Attaching a coil spring as an elastic pressing member so that the latch punch collides with the opposing holder and escapes in all directions of rotation, and engages the holder automatically. To provide a stable engagement mechanism between a coil spring and the latch bolt.

An embodiment 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 lock 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 rotatably provided at the center of the operating side lock part A, and a receiver 4 that engages with the latch bolt 3 is fixedly provided in the receiving side lock part B'. When the integrated doors C and D are closed, the latch port 3 and receiver 4 of the operating side lock part A and the receiving side lock part B provided at the free ends of the doors are automatically engaged, and when the doors are opened, the latch bolt is engaged. 3 to disengage it from the opposing receiver 4.

Two upper and lower support walls 2a and 2b are formed on the inner surface of the inner latch plate 2 of the operating side lock part A on the door C side with an interval so as to form a space R for attaching the latch bolt 3. supporting wall 2
Recessed portions 2a, 2b are provided at the lower right side of a and at the upper left side of the lower support wall 2b to allow the latch bolt 3 to rotate in the anti-Japanese meter direction.

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

A coil spring 5 is wound around the rotational support shaft 2c, and its inner end 5a engages in the notch 2d of the support tube 2d, and its outer end 5b moves counterclockwise on the support tube 2d. It engages with the stopper wall 2d2 every time it is rolled. A support hole 2e for the operating heir 6 is formed in the upper support wall 2a.

The operating knob 6 is provided with a snap portion 6a that extends inward, and a locking hardware 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 inserted into the locking knob 6 from the inner surface of the inner lever plate 2.
b is inserted into the support hole 2e while engaging with the inner surface of the inner lock plate 2. An operated hole 3a is provided in the middle part of the latch bolt 3, and a large diameter engagement hole 3b for receiving the pivot shaft 2c is formed on one side of the operated hole 3a. A cylindrical portion 3c provided concentrically with the coil spring 5 is provided with a cutout recess 3c symmetrically with respect to the center for receiving the outer end 5b of the coil spring 5.

A shaft portion 3d is protruded on the side of the operated hole 3a, and a rotation regulating protrusion 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 pivot shaft 2c on one side, and the shaft portion 3d on the other 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 yellow part 6a of the operating eldest child 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 operation village part 3f and the latch village part 3g of the latch bolt 3 are moved from the mounting space to the inner latch plate 2.
protrude to both sides.

The latch punch 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 movably positioned in the elongated hole 10M of the mounting plate and faces the outside through the lock operation hole 1a of the outer handle plate 1. A rotor 13 of the Schilling 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 1. Two fixed punches 17, 17 are provided on the upper and lower sides of the operation case 12 so as to protrude in the two directions of the inner handle plate, 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 locking shaft 7 is engaged in the square hole 6c of the operating knob 6, and the operating shaft 16 is engaged 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, there is a tapered abutment surface 4 that narrows downward in the receiving plate portion 4a of the receiver 4 of the inner handle plate 2', opposite to the tapered abutment surface 3& of the latch bolt 3.
A, and a rotation prevention hole 8d opposite to the rotation restriction projection 4M is formed in the cover plate 8 symmetrically on both sides of the support hole 8a relative to the shaft portion 4c.

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

The receiving side lock part B has a recess D for internal and external operation at the free end of the left door D. , D3 and the mounting portion D2.

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 operating punch 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 bolt 3 has a notched engagement recess 3c.
, rotates while restraining the outer end 5b of the coil spring 5, so when you release your hand, the latch port 3 locks 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 has a rotation permissible space with respect to the operating shaft 16 in the rotational direction of the latch port 3, so the operating shaft 16 can be rotated without operating it. . next,
To open the door from the outside, by lifting the outer handle plate 2, the driving protrusion 10c comes into contact with the driven arm 16b and rotates the operating shaft 16, so that the operating shaft 16 engages the latch bolt as shown in FIG. Rotate 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 shaft 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 where the door C is opened inward, the latch punch portion 3g of the latch bolt 3 touches the tapered abutment surface 4 of the receiving plate portion 4a of the receiver 4 with its tapered abutting surface 39.
a, and rotates downward against the coil spring 5 (Fig. 8, A), and when it gets over the receiving plate part 4a, it is restored by the coil spring 5 and engages with the receiving plate part 4a. and 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 rotate the latch bolt 3 and the receiver 4 by 1800 rotations each. Then, they are made to face 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, the coil spring is stably attached to the lock body in advance, and when the latch bolt is assembled into the lock body, the latch bolt is engaged with the pivot shaft. By doing so, the latch bolt can be immediately engaged with one end of the coil spring through the notched engagement recess, and the orientation of the latch bolt can be adjusted depending on whether the latch bolt is inserted into the lock body or whether the latch bolt is in the right or left hand. Very convenient when changing.

[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,
Fig. 3 is an exploded perspective view of the whole, Fig. 4 is an exploded perspective view showing the inner handle plate and latch bolt, Fig. 5 is a front view showing the engagement relationship of the latch bolt with the inner latch plate, Fig. 6 Figure A, mouth is a front view showing the relationship between the lock cam and the controlled shaft part, Figure 7 A, mouth is a front view showing the relationship between the latch bolt and the operating shaft, Figure 8 A, mouth and C are the latch bolts. Fig. 9 is a sectional view showing the state of engagement between the latch bolt and the holder, and Fig. 10 shows the inner latch when changed depending on the left and right hand. It is a block diagram of a hand part. C, D... Opposite doors, 1, 1'...
・Outer handle plate, 2, 2'...Inner handle plate, 2c
......Latch bolt rotation support shaft, 2d...
Support cylinder part, 3...Latch bolt, 3b...
...Engagement part, 3c. ...Notch engagement recess, 4...
...Receiver, 5...Coil spring. Figure 1 Figure 2. Figure 2 Figure 4 Figure 3 Figure 5 Figure 8 Figure 9 Figure 6 Figure 10 Figure 7

Claims (1)

[Claims] 1. A support tube is provided concentrically with the rotation support shaft of the latch bolt at a distance from the rotation support shaft in the lock body, and a coil spring is wound around the rotation support shaft, and the inner end of the support tube is wrapped around the rotation support shaft. The latch bolt is provided with an engaging portion for the rotation support shaft, and is provided so as to be engaged with the support cylinder and the outer end thereof is engaged with the stopper wall so as to be movable in the circumferential direction on the support cylinder. A notched engagement recess into which the outer end of the coil spring engages is provided at the axial end of the engagement portion, the latch bolt is rotatably supported by the intermediate portion, and a tapered projection engages with the opposing receiver. A gate lock characterized by having a mating surface.