CN108590378B

CN108590378B - Double-backup unlocking U-shaped lock

Info

Publication number: CN108590378B
Application number: CN201810459080.5A
Authority: CN
Inventors: 胡鲁平
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-15
Filing date: 2018-05-15
Publication date: 2020-07-17
Anticipated expiration: 2038-05-15
Also published as: CN108590378A

Abstract

The double backup unlocking U-shaped lock is mainly characterized in that; an inner ring (18) is arranged in a lock cylinder hole of a lock body (16), a rotary lock tongue (11) enters from the left end of the lock body (36), a lock cylinder (13) and a sleeve cylinder (14) enter from the other end of the lock body (36), the rotary lock tongue (11) and the lock cylinder (13) are connected by a connecting pin (12), the lock head assembly is a double-backup unlocking lock head, two keys with different tooth patterns can be used for double-backup unlocking, a notch is arranged at the lower part of the front end of the lock body (16), in addition, an installation hole of a lock body screw (9) is arranged, the lock body screw (9) enters from a lock hole (10), the lock body (16) and the lock head assembly are all fixed in a combined lock sleeve (17), and in a locking state, the lock hole (10) is sealed by a lock hook (1), and the lock head assembly cannot be disassembled. The lock body screw (9) can also limit the rotation angle of the rotary lock bolt (11), and after the lock is unlocked, the lock body screw (9) is detached, and the lock head assembly can be taken out to be rekeyed.

Description

Double-backup unlocking U-shaped lock

Technical Field

A double-backup opening U-shaped lock belongs to the manufacturing technology of locks, and particularly relates to a U-shaped lock which only has one lock head and one lock hole and can be opened in a double-backup mode.

Background

The U-shaped lock is quite commonly applied, and most of two-wheeled electric vehicles and three-wheeled electric vehicles use the U-shaped lock, but the existing U-shaped lock has many defects, the capacity of preventing technical unlocking is insufficient, keys cannot be decomposed and reconfigured, especially double backup unlocking cannot be performed, the U-shaped lock cannot be opened due to the fact that the electric vehicle has the key, and the U-shaped lock cannot be unlocked, so that the U-shaped lock cannot be unlocked, and the U-shaped lock can not be unlocked, see patent application number; 201710803298.3, double backup unlock locks. The double-backup unlocking U-shaped lock is characterized in that the U-shaped lock only has one lock head and one lock hole, two independent unlocking surfaces (two locking surfaces) are arranged in the lock hole, and the lock can be unlocked by two keys with different tooth patterns. The two independent unlocking surfaces cannot be unlocked at the same time, and the novel double-backup unlocking U-shaped lockset can be unlocked by a key. Although the utility model patent with patent number 201620420687.9 also can double backup unblank, this is a tool to lock that has two tapered ends, two lockholes, and the structure is complicated, and structural strength is poor, and the pick-proof ability is not enough, also has obvious difference with the U-shaped lock in the appearance, and it is also very inconvenient to operate.

Disclosure of Invention

The invention aims to provide a novel U-shaped lock which is provided with only one lock head and one lock hole, can be unlocked in a double backup mode and can be disassembled and re-keyed on the premise of further improving the unlocking and anti-prying capabilities of a defense technology.

The object of the present invention is achieved by the following means.

A dual backup unlock U-lock comprising: the lock comprises a lock hook (1), a lock hook shaft (2), a lock hook seat (3), a rear fixing plate (4), a screw (5), a long lock sleeve (7), a lower fixing plate (8), a lock body screw (9), a lock hole (10), a rotary lock tongue (11), a connecting pin (12), a lock cylinder (13), a sleeve core (14), a fixing screw (15), a lock body (16), a combined lock sleeve (17), a marble hole (19), a combined lock body (26), a lock sleeve (27), a fixing ring (28), a mounting hole (29) and a lock body (36), and is characterized in that the lock hook shaft is fixed on the lock sleeve (27); a rear fixing plate (4) is arranged at the rear section in the long lock sleeve (7), a lock hook (1) is assembled on a lock hook seat (3) by a lock hook shaft (2), the lock hook seat (3) is assembled at one end of the long lock sleeve (7) by a screw (5), a lower fixing plate (8) is arranged at the lower part in the long lock sleeve (7), a mounting hole of a lock body screw (9) is arranged on the lower fixing plate (8), an inner ring (18) is arranged in a lock cylinder hole of the lock body (36), a rotary lock tongue (11) enters from the left end of the lock body (36), a lock cylinder (13) and a sleeve cylinder (14) enter from the other end of the lock body (36), the rotary lock tongue (11) and the lock cylinder (13) are connected by a connecting pin (12) to form a lock head assembly, a notch is also arranged at the lower part of the front end of the lock body (36) and matched with the lower fixing plate (8), a mounting hole (29) of a screw (9) is arranged, and the lock body screw (, the lock body (36) is connected with the lower fixing plate (8).

Further, the method comprises the following steps of; the combined lock sleeve (17) is a combination of the lock hook seat (3) and the long lock sleeve (7), the mounting hole of the lock hook shaft (2) is a blind hole, the lock hook (1) is assembled on the combined lock sleeve (17) through the lock hook shaft (2), the mounting hole is formed in the lower portion of the combined lock sleeve (17), the lock body screw (9) enters from the lock hole (10), and the lock body (16) and the lock head assembly are mounted in the combined lock sleeve (17). The lock body (16) is composed of two large and small non-concentric cylinders. The right end of the combined lock sleeve (17) is provided with two large and small non-concentric cylindrical holes.

Further, the method comprises the following steps of; the combined lock body (26) is a combined part of a lock hook seat (3) and a lock body (36), an installation hole of a lock hook shaft (2) is a blind hole, a lock hook (1) is assembled on the combined lock body (26) through the lock hook shaft (2), a rotary lock tongue (11), a fixed ring (28), a lock cylinder (13) and a sleeve core (14) are connected into a lock cylinder assembly through a connecting pin (12) and then assembled in the combined lock body (26) through a fixing screw (15), a fixing hole is formed in the lower surface of a lock sleeve (27), a lock body screw (9) enters from a lock hole (10), and the lock sleeve (27) is assembled at the right end of the combined lock body (26).

The invention has the beneficial effects.

The double-backup unlocking U-shaped lock only comprises one lock head and one lock hole, the double-backup unlocking can be realized by using keys with two different tooth patterns, the reliability of the U-shaped lock unlocking is improved, the capacities of the defense technology unlocking and the anti-picking lock are also improved, the key can be disassembled and reconfigured, and the service life of the lock is greatly prolonged.

Description of the drawings.

FIG. 1; the overall structure of the U-shaped lock.

FIG. 2: the lock body (36) is constructed in a block diagram.

FIG. 3: the internal structure of the U-shaped lock of the combined lock sleeve (17).

FIG. 4: a cross-sectional view of the lock body (16).

FIG. 5; sectional view of the combination lock sleeve (17).

FIG. 6; the internal structure of the U-shaped lock of the combined lock body (26).

The following detailed description is made with reference to specific embodiments and with reference to the accompanying drawings.

In the drawings, 1; a latch hook, 2; a latch shaft, 3; a latch hook seat 4; a rear fixing plate, 5; a screw, 7; a long lock sleeve, 8; a lower fixing plate 9; a lock body screw, 10; a lock hole, 11; a rotary latch bolt, 12; a coupling pin, 13; a lock cylinder, 14; a sleeve core, 15; a set screw, 16; a lock body, 17; a combination lock sleeve, 18; an inner ring, 19; a bullet hole, 26; a combination lock body, 27; a lock sleeve, 28; a fixing ring, 29; mounting holes, 36; and a lock body.

Detailed Description

Example 1.

FIG. 1; the overall structure of the U-shaped lock.

A rear fixing plate (4) is welded at the rear section in a long lock sleeve (7), a lock hook (1) is assembled on a lock hook seat (3) by a lock hook shaft (2), then the lock hook seat (3) is assembled at the left end of the long lock sleeve (7) by a screw (5), the lock hook shaft (2) is completely sealed in the long lock sleeve (7), the anti-prizing capability is strong, a lower fixing plate (8) is welded at the lower part in the tube of the long lock sleeve (7), a mounting hole of a lock body screw (9) is arranged on the lower fixing plate (8), an inner ring (18) is arranged in a lock cylinder hole of a lock body (36), referring to figure 2, a rotary lock bolt (11) enters from the left end of the lock body (36), a lock cylinder (13) and a sleeve cylinder (14) enter from the other end of the lock body (36), the rotary lock bolt (11) and the lock cylinder (13) are connected by a connecting pin (12) to form a lock head assembly, and the lock head assembly is a double-, the most obvious characteristic is that a sleeve core (14) is added outside a lock core (13), each group is matched with three pins, each group of the common pin tumbler lock is matched with only two pins, and the pins and the springs are not marked in figure 1. The inner ring (18) has the function of preventing the rotary bolt (11), the lock core (13) and the sleeve core (14) from being separated from the lock body (36).

FIG. 2: the lock body (36) is constructed in a block diagram.

The lower part of the front end of the lock body (36) is provided with a notch matched with the lower fixing plate (8) and a mounting hole (29) of a lock body screw (9). Referring to fig. 1, a lock body screw (9) enters from a lock hole (10), a lock body (36) is connected with a lower fixing plate (8), a lock head assembly is completely fixed in a long lock sleeve (7), and in a locking state, a lock hook (1) seals the lock hole (10) and cannot be detached. The lower fixing plate (8) can prevent the lock body (36) from rotating, and the lock body screw (9) can limit the rotating angles of the rotary lock tongue (11) and the lock cylinder (13). Four marble holes (19) are arranged on the lock body (36) in total, and four groups of marbles are configured.

Example 2.

The combined lock sleeve (17) is a combination of the lock hook seat (3) and the long lock sleeve (7), the mounting hole of the lock hook shaft (2) is a blind hole, and the lock hook (1) is assembled on the combined lock sleeve (17) by the lock hook shaft (2). The lower part of the combined lock sleeve (17) is provided with a mounting hole, a lock body screw (9) enters from the lock hole (10) and can enter a blind hole at the lower part of the combined lock sleeve (17), the lock body (16) is mounted in the combined lock sleeve (17), and the double-backup unlocking lock head assembly is completely assembled in the combined lock sleeve (17).

FIG. 4: a cross-sectional view of the lock body (16).

The lock body (16) is composed of two large and small non-concentric cylinders, in the embodiment, the diameter of the small cylinder at the front end of the lock body (16) is phi 25 mm, and the diameter of the large cylinder at the back end is phi 32 mm.

FIG. 5; sectional view of the combination lock sleeve (17).

The right end of the combined lock sleeve (17) is provided with two large and small non-concentric cylindrical holes, the diameter of each small hole is 25.5 mm, the diameter of each large hole is 32.5 mm, the combined lock sleeve is used for installing the lock body (16), and the lock body (16) cannot rotate inside the large holes and the small holes.

Example 3.

The combined lock body (26) is a combination of the lock hook seat (3) and the lock body (36), the mounting hole of the lock hook shaft (2) is a blind hole, and the lock hook (1) is assembled on the combined lock body (26) through the lock hook shaft (2). The rotary bolt (11) and the lock core (13) are connected by a connecting pin (12), so that the rotary bolt (11), the fixed ring (28), the lock core (13) and the sleeve core (14) are combined into a lock core assembly, and then are assembled in the combined lock body (26) by a fixed screw (15). The mounting hole of the fixing screw (15) is also the entrance hole of the connecting pin (12), and the fixing ring (28) and the inner ring (18) have the same function, so that the lock core assembly cannot be pulled out of the combined lock body (26). The lower surface of the lock sleeve (27) is provided with a fixing hole, a lock body screw (9) enters from the lock hole (10), and the lock sleeve (27) is assembled at the right end of the combined lock body (26).

In the three embodiments, the lock head assembly is a double-backup opening lock head, and can also be other common spring lock heads or blade lock heads. The lock body (16) is provided with a row of four groups of marbles, a row of five groups of marbles or a row of six groups of marbles, and a lock head component with double rows of marbles can also be adopted.

The double backup unlocking U-shaped lock is a novel U-shaped lock, only one lock head is provided, one lock hole can be opened in double backup mode, the double backup unlocking U-shaped lock also has the reliable unlocking capacity of a defense technology, assembly screws are arranged in the double backup unlocking U-shaped lock, the lock hole (10) is sealed by the lock hook (1) in a locking state, and a lock head assembly cannot be disassembled, so that the double backup unlocking U-shaped lock is strong in anti-prying capacity, a key can be disassembled and rearranged simultaneously, the service life of the lock is greatly prolonged, the appearance structure of the double backup unlocking U-shaped lock is the same as that of an existing U-. The three embodiments all effectively achieve the object of the present invention.

Claims

1. A dual backup unlock U-lock comprising: the lock comprises a lock hook (1), a lock hook shaft (2), a lock hook seat (3), a rear fixing plate (4), a screw (5), a long lock sleeve (7), a lower fixing plate (8), a lock body screw (9), a lock hole (10), a rotary lock tongue (11), a connecting pin (12), a lock cylinder (13), a sleeve core (14), an inner ring (18), a marble hole (19), a mounting hole (29) and a lock body (36), and is characterized in that the lock hook is arranged on the lock hook shaft; a rear fixing plate (4) is arranged at the rear section in the long lock sleeve (7), a lock hook (1) is assembled on a lock hook seat (3) by a lock hook shaft (2), the lock hook seat (3) is assembled at one end of the long lock sleeve (7) by a screw (5), a lower fixing plate (8) is arranged at the lower part in the long lock sleeve (7), a mounting hole of a lock body screw (9) is arranged on the lower fixing plate (8), an inner ring (18) is arranged in a lock cylinder hole of the lock body (36), a rotary lock tongue (11) enters from the left end of the lock body (36), a lock cylinder (13) and a sleeve cylinder (14) enter from the other end of the lock body (36), the rotary lock tongue (11) and the lock cylinder (13) are connected by a connecting pin (12) to form a lock head assembly, a spring hole (19) is arranged on the lock body (36), a gap is also arranged at the lower part of the front end of the lock body (36) and is matched with the lower fixing plate (8), and a mounting, the lock body screw (9) enters from the lock hole (10) to connect the lock body (36) with the lower fixing plate (8).

2. A dual backup unlock U-lock comprising: the lock comprises a lock hook (1), a lock hook shaft (2), a lock body screw (9), a lock hole (10), a rotary lock tongue (11), a connecting pin (12), a lock core (13), a sleeve core (14), a lock body (16), a combined lock sleeve (17), an inner ring (18), a bullet hole (19) and a mounting hole (29), and is characterized in that the lock hook is arranged on the lock body; the combined lock sleeve (17) is a combination of the lock hook seat (3) and the long lock sleeve (7), the mounting hole of the lock hook shaft (2) is a blind hole, the lock hook (1) is assembled on the combined lock sleeve (17) by the lock hook shaft (2), the lower part of the combined lock sleeve (17) is provided with the mounting hole, a lock body screw (9) enters from the lock hole (10), the lock body (16) and the lock head assembly are arranged in the combined lock sleeve (17), the lock body (16) consists of two large and small cylinders which are not concentric, an inner ring (18) is arranged in a lock cylinder hole of a lock body (16), a rotary bolt (11) enters from the left end of the lock body (16), a lock cylinder (13) and a sleeve core (14) enter from the other end of the lock body (16), the rotary bolt (11) and the lock cylinder (13) are connected through a connecting pin (12) to form a lock head assembly, a bullet hole (19) is formed in the lock body (16), and two non-concentric cylindrical holes with one large end and one small end are formed in the right end of a combined lock sleeve (17).

3. A dual backup unlock U-lock comprising: the lock comprises a lock hook (1), a lock hook shaft (2), a lock body screw (9), a lock hole (10), a rotary lock tongue (11), a connecting pin (12), a lock cylinder (13), a sleeve core (14), a fixing screw (15), a marble hole (19), a combined lock body (26), a lock sleeve (27) and a fixing ring (28), and is characterized in that the lock hook is arranged on the lock hook shaft; the combined lock body (26) is a combined part of a lock hook seat (3) and a lock body (36), a mounting hole of a lock hook shaft (2) is a blind hole, a lock hook (1) is assembled on the combined lock body (26) through the lock hook shaft (2), a rotary lock tongue (11), a fixing ring (28), a lock cylinder (13) and a sleeve core (14) are connected into a lock core assembly through a connecting pin (12) and then assembled in the combined lock body (26) through a fixing screw (15), a spring hole (19) is formed in the combined lock body (26), a fixing hole is formed below a lock sleeve (27), a lock body screw (9) enters from a lock hole (10), and the lock sleeve (27) is assembled at the right end of the combined lock body (26).