JPS6035513B2 - gate lock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a gate lock provided at the free end of an opening/closing type gate, which can be easily changed to cope with the difference in right and left hand.

Therefore, an object of the present invention is to provide a latch bolt and a receiver that engage with each other so that the positions thereof can be changed by 1800 degrees with respect to the supporting material, and to adjust the latch bolt by moving the outer handle plate. By driving the latch bolt via an operating shaft that engages in an operated hole in the latch bolt rotating shaft portion, it is possible to easily adapt to the right and left hand of the latch bolt.

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

The gate lock according to the present invention consists of an operating side lock part A and a receiving side lock part B. The saddle making 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 lock plate 2'.

A latch bolt 3 is rotatably provided in the operating side lock part A, and a latch bolt 3 is provided in the receiving side lock part B so that the latch port 3 can rotate around its center.
When the left and right doors C and D are closed, the latches at the operating side lock part A and the receiving side lock part B provided at the free ends are fixedly provided. bolt 3
The latch bolt 3 automatically engages with the latch bolt 4 when the door is opened.
Rotate to disengage from 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
Recessed portions 2a, 2b for allowing the latch bolt 3 to rotate in the anti-eighth clock direction are provided at the lower right corner of a and the upper left corner of the lower support wall 2b.

In the mounting space R, the rotation support shaft 2 of the latch bolt 3
c is provided in a protruding manner, and a support cylinder portion 2d is provided concentrically with the rotation support 2c with a space therebetween.

A coil spring 5 is wound around the rotational support 2c, and its inner end 5a engages in the notch 2d of the support cylinder 2d, and its outer end 5b rotates counterclockwise on the support cylinder 2d. The stop wall 2 also engages in a movable manner. 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 snap portion 6a that extends inward, and a locking collar 6b is provided in the middle. A square hole 6c into which the square lock shaft 7 is inserted is formed in the shaft portion 6b. The operating knob 6 is provided by engaging the locking collar 6b with the inner surface of the inner handle plate 2 and inserting it into the support hole 2e from the inner side of the inner handle plate 2. Exposure hole 3a in the middle part of latch bolt 3
A large-diameter engagement hole 3b for receiving the pivot shaft 2c is formed on one side of the exposed operation hole 3a. A notch engaging portion 3c is provided for receiving the outer end portion 5b of the coil spring 5.

A shaft portion 3b is provided protruding from the other end of the operated hole 3a, and a turning restriction projection 3e is also provided. The latch bolt 3 is positioned in the mounting space R between the support walls 2a and 2b with the mating hole 3b engaged with the pivot shaft 2c on one side, and the bag portion 3d on the other side is connected to the cover plate 8. It is provided by screwing the screw 9 into the inner lock plate 2 while being inserted into the support hole 8a.

At this time, the shaft portion 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 port 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 movable 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 from the lock operation hole la 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.

I5 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 ball 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 top and bottom of the operation case 12 so as to protrude in the two directions of the inner punch plate, and a connecting village 18 is connected to the ends of the fixed punches 17, 17. The fixing screw 19 is screwed together.

In the above-mentioned horizontal construction, in order to fix the operating side twill portion 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 lock 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, a downwardly narrowing tapered abutment surface 4a opposite to the tapered abutment surface 3g of the latch bolt 3 is formed in the receiving plate portion 4a of the receiver 4 of the inner lock plate 2'. In the cover plate 8, a rotation prevention hole 8d for the rotation restriction projection 4b is formed symmetrically on both sides of the support hole 8a for the shaft 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 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, since the latch bolt 3 rotates while restraining the outer end 5b of the coil spring 5, the latch bolt 3 that is released returns to the solid line position in the figure due to the restoring force of the coil spring 5. As shown in FIG. 7A, the operated hole 3a with respect to the operating shaft 16 has a rotation permissible space in the rotational direction of the latch bolt 3, so that the operating shaft 16 can be rotated without operating the operating shaft 16. do. Next, in order to open the door from the outside, by lifting the outer handle plate 1, the driving protrusion 10c supports the driven arm 16b to rotate the operating shaft 16, as shown in the opening in FIG. 16 rotates the latch port 3.

By operating the cylinder lock S from the outside and the operating heir 6 from the inside, the lock cam 14 moves from the unrestrained state shown in FIG. 6A to the engagement recess 16a. , 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 village portion 3g of the latch bolt 3 engages the tapered abutment surface 4 of the receiving plate portion 4a of the receiver 4 with its tapered abutting surface 3&.
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. , 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 hook plates 8 and 8, and rotate the latch bolt 3 and the catch 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. As described above, the present invention provides an operating side lock part and a receiving side lock part each having an outer handle plate and an inner latch plate on both the inner and outer sides of the free ends of the opposing doors, and the inner latch part of the operating side lock part. A latch bolt having a latch village and an operation village with a tapered abutting surface formed on the hand plate is provided so as to be freely rotatable within a certain range by being restorable by a coil spring via a rotation support shaft, and an inner latch plate of the receiving side lock part. A receiver having a knurled abutting surface is fixedly provided while being supported via a rotation support shaft, and the position of the latch bolt and the receiver can be changed by 180° at the operating side lock part and the receiving side twilling part. , the vertical movement of the outer handle plate is transmitted to the rotation of the operating ball in the operating side lock portion, and the operating shaft rotates the latch bolt through the operated hole in the rotation shaft portion of the latch bolt. Because of this, the latch bolt can be driven by the operation of the outer handle plate, and the left and right hand positions in this case can be easily changed.

[Brief explanation of drawings]

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 main parts of the inner handle plate and latch bolt, Fig. 5 is a front view showing the engagement relationship of the latch bolt with the inner handle plate, and 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... Opposing doors, 1, 1'... Outer handle plate, 2, 2... Inner handle plate, 3...
...Latch bolt, 3a...Operated hole, 4...
... Receipt, 16... Operation axis. 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. An operating side lock part and a receiving side lock part are provided on both the inner and outer sides of the free ends of the opposing doors, each having an outer handle plate and an inner lock plate, and the inner lock plate of the operating side lock part has a tapered groove. A latch bolt having a latch rod portion and an operating rod portion that form mating surfaces is provided so as to be freely rotatable within a certain range by being restorable by a coil spring via a rotation support shaft, and a rotation support shaft is provided on the inner latch plate of the receiving side lock portion. A receiver having a tapered abutting surface is fixedly provided while being supported through the lock, and the position of the latch bolt and the receiver can be changed by 180 degrees in the operating side lock. A gate lock characterized in that the vertical movement is transmitted to the rotation of an operating shaft, and the operating shaft rotates the latch bolt via an operated hole in a rotating shaft portion of the latch bolt.