TH18749Y - Bathroom door lock - Google Patents

Abstract

A bathroom door lock consists of an outer lock plate, an inner lock plate, a bolt, an outer cover plate, an inner cover plate, and a handle plate, all assembled together. The bolt's locking groove on the outer and inner lock plates are joined together to form a movable lock. The central body of the bolt is drilled with holes for attaching a bolt. The sides of the bolt have guide slots (first and second) to allow the bolt to move within the grooves of the outer and inner lock plates. The top outer part of the bolt has an upper locking plate that fits into the upper slot of the outer lock plate, and the bottom outer part has a lower locking plate that fits into the lower slot of the outer lock plate. The inside of the bolt has a sleeve that fits into the central slot of the inner lock plate.

Claims (4)

1. The bathroom door lock consists of an outer lock plate (1) which is molded into a rectangular plate with one outer surface cut to a reduced level to accommodate the end of the bolt (2). The inner surface in the middle along the length of the outer lock plate (1) is grooved to accommodate the bolt (3), with two mounting holes (6) on either side to accommodate the outer cover plate (7), and four mounting holes (8) are drilled at the corners of the outer lock plate (1) to accommodate the inner lock plate (9) by screw fastening (10). The outer cover plate (7) is molded into a rectangular plate, on both inner sides of the outer cover plate (7) are mounting pins (13) to fit into the two mounting holes (6) on either side of the outer cover plate (7). The outer bolt coupling (1) is formed by the inner surface of each locking pin (13) being formed into an internal thread (14) for support of fastening to the inner cover (15) by means of a screw fastening (10). The inner bolt coupling plate (9) is formed into a rectangular plate with one outer surface cut to a reduced level to serve as a locking jaw (16). The inner surface in the middle along the length of the inner bolt coupling plate (9) is a locking groove (17), and on either side of the middle locking slot (18) on the locking groove (17) are two fastening holes (19) which are aligned with the two fastening holes (6) on the coupling plate. The outer latch (1) is fitted into the mounting pin (13) of the outer cover plate (7), and the four corners of the inner latch plate (9) are drilled with mounting holes (20) to support attachment to the outer latch plate (1) by screw fastening (10). The inner cover plate (15) is fitted onto the inner surface of the inner latch plate (9). The latch bolt (21) is installed in the inner latch groove (3) of the outer latch plate (1) and the latch groove (17) of the inner latch plate (9), which are fitted together. The latch bolt (21) can move back and forth within the latch groove (3) of the outer latch plate (1) and the latch groove (17) of the inner latch plate (9). Specifically, the outer latch plate (1) has the top and bottom edges of the latch groove (3) as slots for the upper latch bolt (4). and the slot for the lower bolt (5), where in the position between the upper bolt slot (4) and the lower bolt slot (5) on the bolt support groove (3) is a fastening hole (6), the inner door bolt plate (9) in which the middle area of the inner door bolt plate (9) is the slot for the middle bolt (18), the inner cover (15) is molded into a rectangular plate with the inner area (28) on all four sides tilted inward in the shape of a trapezoid, where the middle of the inner area (18) is a guide channel (29) for which the handle plate (30) can move back and forth within the guide channel (29) of the inner cover (15), and on both sides of the guide channel (29) are two fastening holes (31) which are positioned at Aligned with the two mounting holes (6) on either side of the outer bolt plate (1) and the two mounting holes (19) on either side of the inner bolt plate (9) for support of fitting into the mounting pin (13) of the outer cover plate (7), the bolt (21) is formed into a rectangular plate with a length greater than the length of The outer lock plate (1) and the inner lock plate (9) have holes drilled in the middle of the bolt body (21) for securing to the bolt (22). On both sides of the bolt (22) are the first guide groove (23) and the second guide groove (24) for guiding the bolt (21) back and forth within the bolt support groove (3) of the outer lock plate (1) and the bolt support groove (17) of the inner lock plate (9). The handle plate (30) is molded into a rounded rectangle with a hole (31) in the middle for securing the mounting side (32). The middle of the mounting side (32) is a groove (33) for securing to the horseshoe washer (34). The mounting side (32) of the handle plate (30) is secured to the bolt (22) of the bolt (21) with a bolt rod (35) to hold the bolt (21) in place. It can move back and forth between the latch groove (3) of the outer lock plate (1) and the latch groove (17) of the inner lock plate (9). 2. The bathroom door lock according to claim 1, in which the bolt (21) has an outer upper area of the bolt (22) as an upper lock plate (25) for fitting into the upper lock slot (4) of the outer lock plate (1), where the front surface along the length of the upper lock plate (25) is marked as indicating whether the bathroom is occupied or not, and the outer lower area of the bolt (22) is a lower lock plate (26) for fitting into the lower lock slot (5) of the outer lock plate (1), where the inner area of the bolt (22) is a sleeve (27) for fitting into the middle lock slot (18) of the inner lock plate (9). 3. The toilet door lock under claim 1 or 2, the outer cover (7) is formed into a rectangular plate with four inner areas (11) that are inwardly sloped into a trapezoid shape, with the bottom of the inner area (11) being a viewing window (12) to allow a person outside the toilet door to see a sign indicating whether the toilet is in use or not. 4. The bathroom door lock under any of the claims 1 to 3, which is an upper locking bolt (25), also has an external safety hole (36) for a person outside the bathroom door to insert a sharp tool into the external safety hole (36) to slide it back and forth to open the bathroom door from the outside in the event of an accident caused by a user inside the bathroom.