CN114482705A - Unlocking tool for blade lock and unlocking method based on unlocking tool - Google Patents

Abstract

The invention relates to an unlocking tool for a blade lock and an unlocking method based on the unlocking tool, wherein the unlocking tool comprises a positioning seat and a handle part arranged at the rear end of the positioning seat; the opening tool is simple in structure, compared with the prior art, the opening tool is convenient to install, the handle part is used for rotating the push rod through the movement of the thin steel sheet in the sliding way, the rear end part of the push rod is fixed through the handle part, so that the push rod is driven to slide and rotate in the sliding way, the thin steel sheet in the push rod can extend out through the guide port, the rotating angle of the handle part is recorded through the scale of the shifting block on the dial scale, the analogy is performed in sequence, then the data of each time is recorded, a new key is distributed, and the lockset is opened.

Description

Unlocking tool for blade lock and unlocking method based on unlocking tool

Technical Field

The invention belongs to the technical field of unlocking tools, and particularly relates to an unlocking tool for a blade lock and an unlocking method based on the unlocking tool.

Background

Locks are widely used in daily life and need to be used together with keys, and the keys are carried about. In the carrying process, the key is lost frequently, and when the key is lost, besides a part of locks with simple structures, such as low-price padlocks, can be easily opened at the cost of damage through violence, locksmiths need to be asked to go to the door for maintenance, and the lockset is opened and the key is prepared through a technical unlocking mode.

The existing blade lock comprises a lock sleeve, a lock core, a blade group and a key. The blade group is positioned in a blade hole of the lock cylinder, a lock pit matched with the end part of the blade is formed in the inner wall of the lock sleeve, and the blade is positioned between the blade hole of the lock cylinder and the lock pit of the lock sleeve to lock the lock cylinder and the lock sleeve during locking, so that the lock cylinder cannot rotate relative to the lock sleeve; when the lock is unlocked, after the key is inserted into the center of the lock cylinder, the wave groove teeth on the key drive the corresponding blades to move, so that the blades are separated from the lock pit of the lock sleeve and all enter the blade holes of the lock cylinder, and the lock cylinder can rotate relative to the lock sleeve to achieve the purpose of unlocking; at present, no good unlocking method exists for the blade lock in the market, and most of the blade locks adopt a violent unlocking mode, namely, the lock cylinder is directly knocked off by a drill bit and then replaced by a new lock cylinder for a customer, so that the resource waste is directly caused, and the single cost of the customer is increased. The unlocking method of a few technologies can realize unlocking, but has high difficulty, needs repeated attempts for some times, has low single success rate and needs long time for unlocking.

In view of the above technical problems, improvements are needed.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides an unlocking tool for a blade lock and an unlocking method based on the unlocking tool, which are not only suitable for unlocking various blade locks, but also can be used for preparing a key according to the tool after unlocking, so that the situation that a user is forced to change the lock due to key loss is avoided.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an unlocking tool for a blade lock comprises a positioning seat and a handle part arranged at the rear end of the positioning seat; an inner groove is distributed on one side of the front face of the positioning seat along the length direction of the positioning seat, a sliding groove is formed on the other side of the front face of the positioning seat, a mounting plate is fixedly arranged at the rear end of the sliding groove, and a limiting bump is formed at the top of the mounting plate; the mounting plate and the upper end face of the positioning seat are on the same horizontal plane, a groove is formed in the middle of the reverse side of the positioning seat, one end of a push rod is movably connected in the sliding groove, a handle part is fixedly arranged at the other end of the push rod, the push rod moves along the sliding groove, the end part of the push rod extends out of the front end of the mounting plate, a slide way for the front and back sliding of the thin steel sheet is arranged in the push rod, and a guide opening for changing the moving direction of the thin steel sheet is formed in the front end of the slide way; the tail end of the positioning seat is fixedly provided with a dial, and scales are marked on the dial; the handle part is fixedly provided with a shifting block corresponding to the scale; the shifting block is of a conical structure, and the end part of the shifting block points to the scale of the dial.

In a preferable mode of the invention, the length of the mounting plate is 1/2-1/3 of the length of the sliding groove.

As a preferable aspect of the present invention, a through hole is formed at a rear end of the positioning seat, and the push rod passes through the through hole.

The push rod is inserted into the through hole, and the push rod is fixed on the through hole.

In a preferred embodiment of the present invention, the stopper has a recess formed at a top thereof, and a locking mechanism for locking the stopper to the push rod is fitted in the recess.

As a preferable scheme of the present invention, the locking mechanism includes a bolt, the stopper is provided with a fastening hole having a vertical axis, the fastening hole penetrates through the mounting hole, and the bolt is detachably mounted in the fastening hole and abuts against the push rod in the mounting hole, so as to lock the stopper to the push rod.

As a preferable scheme of the invention, a guide notch is formed on the inner side of the front end of the thin steel sheet, a hook is turned over on the thin steel sheet positioned at the top of the guide notch, a process groove is distributed at the front end of the push rod along the length direction of the push rod, the process groove is communicated with the guide port, and the hook is accommodated in the process groove.

As a preferable scheme of the invention, the hook is fixedly connected with the thin steel sheet and integrally formed.

As a preferable mode of the present invention, the shape of the hook is identical to the shape of the guide notch.

As a preferable scheme of the invention, the thin steel sheet is of a T-shaped structure; comprises a handheld part and a sliding part; the sliding part is assembled in the slideway in a sliding way, and the hand-held part is assembled in the handle part.

An unlocking method of an unlocking tool for a blade lock, comprising the steps of:

the method comprises the following steps: the stop block is locked on the push rod by adjusting the stop block, so that the distance between a guide opening at the front end of the push rod and the limiting lug is adjusted;

step two: inserting a positioning seat of an unlocking tool into a lock hole of the blade lock to be unlocked, enabling one side of the inner groove to face the blade and be tightly attached to the side of the blade; the limiting lug on the top of the mounting plate props against a blade boss to be measured and is used for positioning the whole positioning seat;

step three: after the thin steel sheet is inserted, the thin steel sheet is made to extend out of a guide opening at the front end of the push rod by sliding the thin steel sheet, then the whole push rod is driven to rotate by rotating the handle part, a hook at the front end of the thin steel sheet abuts against a groove in the middle of the blade, and the rotating angle of the thin steel sheet is accurately calculated by scales on the dial scale;

step four: the position of the stop block is adjusted, so that the hooks on the thin steel sheet hook the blades one by one, and the data of rotating the thin steel sheet when being stirred each time is recorded through the scales on the dial;

step five: and a new key is distributed and the lock is unlocked through the data recorded each time.

The invention has the beneficial effects that:

1. the unlocking tool is simple in structure and convenient to install compared with the prior art, the thin steel sheet moves in the slide way, the handle part is used for rotating the push rod, the rear end part of the push rod is fixed through the handle part, so that the push rod is driven to slide and rotate in the slide way, the thin steel sheet in the push rod can extend out through the guide port, the front end of the thin steel sheet can enter the middle of two blades, the hook at the top of the thin steel sheet is used for hooking the blade to be measured in the lock hole by pulling the handheld part of the thin steel sheet at the tail part, the rotating angle of the handle part is recorded through the scale of the shifting block on the dial scale, the analogy is carried out in sequence, then the data of each time is recorded, a new key is distributed, and the lockset is unlocked.

2. The tool provided by the invention does not need special manipulation and skill, does not depend on subjective judgment, is not influenced by the spring state of the blade in the lockset, can be opened by carefully operating according to the steps as long as the lockset is in a healthy state that a key can be opened, and is very practical and convenient.

Drawings

FIG. 1 is a state diagram of use of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a side view of a putter structure according to an embodiment of the present invention;

FIG. 4 is a structural assembly view of a stop and locking mechanism according to an embodiment of the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the embodiment of the present invention;

FIG. 6 is a partial enlarged view of the embodiment of the present invention in the direction B of FIG. 2;

FIG. 7 is a partial side view of an end of a thin steel sheet according to an embodiment of the present invention;

FIG. 8 is a partial schematic view of an end of a thin steel sheet according to an embodiment of the present invention;

reference numbers in the figures: the positioning seat comprises a positioning seat 1, a handle part 2, a thin steel sheet 3, a push rod 4, an inner groove 5, a sliding groove 6, a mounting plate 7, a slide way 8, a guide opening 9, a dial 10, scales 11, a shifting block 12, a through hole 13, a stop block 14, a mounting hole 14-1, a groove 14-2, a fastening hole 14-3, a locking mechanism 15, a groove 16, a bolt 15-1, a guide notch 30, a hook 31, a handheld part 32, a sliding part 33, a process groove 40 and a limiting bump 70.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

Example (b):

as shown in fig. 1-8, an unlocking tool for a blade lock comprises a positioning seat 1 and a handle part 2 arranged at the rear end of the positioning seat 1; an inner groove 5 is distributed on one side of the front face of the positioning seat 1 along the length direction of the positioning seat, a sliding groove 6 is formed on the other side of the front face of the positioning seat 1, a mounting plate 7 is fixedly arranged at the rear end of the sliding groove 6, and a limiting bump 70 is formed at the top of the mounting plate 7; the length of the mounting plate 7 is 1/2-1/3 of the length of the sliding groove 6; the length of the mounting plate 7 can be adjusted by measuring the distance of the blade groove as required, and a limiting bump 70 is formed at the top of the mounting plate 7; the position-limiting protrusion 70 is used to insert the positioning base 1 into the lock hole of the blade lock, so as to prop against the boss of the blade to be measured for positioning.

The mounting plate 7 and the upper end face of the positioning seat 1 are on the same horizontal plane, a groove 16 is formed in the middle of the reverse side of the positioning seat 1, one end of a push rod 4 is movably connected in the sliding groove 6, a handle part 2 is fixedly arranged at the other end of the push rod 4, the push rod 4 moves along the sliding groove 6, the end part of the push rod 4 extends out of the front end of the mounting plate 7, a slide way 8 for the front and back sliding of the thin steel sheet 3 is arranged in the push rod 4, and a guide opening 9 for changing the moving direction of the thin steel sheet 3 is formed at the front end of the slide way 8; a dial 10 is fixedly arranged at the tail end of the positioning seat 1, and scales 11 are marked on the dial 10; a shifting block 12 corresponding to the scale 11 is fixedly arranged on the handle part 2; the dial 12 is in a conical structure, and the end of the dial 12 points to the scale 11 of the dial 10.

The invention has simple structure, compared with the prior art, the opening tool is convenient to install, the thin steel sheet moves in the slideway, the handle part is used for rotating the push rod, the rear end part of the push rod is fixed by the handle part, so that the push rod is driven to slide and rotate in the slideway, the thin steel sheet in the push rod can extend out through the guide port, the front end of the thin steel sheet can enter between the two blades, the hook at the top of the thin steel sheet is used for hooking the blade to be measured in the lockhole by pulling the handheld part of the thin steel sheet at the tail part, the rotating angle of the handle part is recorded by the scale of the shifting block on the dial scale, the analogy is carried out in sequence, then the data of each time is recorded, a new key is distributed, and the lockset is opened.

A through hole 13 is formed at the rear end of the positioning seat 1, and the push rod 4 penetrates through the through hole 13; the blade lock measuring and opening tool also comprises a stop block 14, wherein the stop block 14 is provided with a mounting hole 14-1 with a horizontal axis, the push rod 4 penetrates through the mounting hole 14-1, and the push rod 4 is limited in the through hole 13; the stop 14 is provided for limiting the left and right travel of the handle 2 for rotating the push rod 4, and at the same time, the distance between the guide opening 9 of the push rod 4 and the limit projection 70 can be adjusted.

A groove 14-2 is formed at the top of the stop 14, and a locking mechanism 15 for locking the stop 14 on the push rod 4 is assembled in the groove 14-2; the locking mechanism 15 comprises a bolt 15-1, a fastening hole 14-3 with a vertical axis is formed in the stopper 14, the fastening hole 14-3 penetrates through the mounting hole 14-1, and the bolt 15-1 is detachably mounted in the fastening hole 14-3 and is abutted against the push rod 4 in the mounting hole 14-1 to lock the stopper 14 on the push rod 4.

A guide notch 30 is formed on the inner side of the front end of the thin steel sheet 3, a hook 31 is folded on the thin steel sheet 3 positioned at the top of the guide notch 30, a process groove 40 is distributed at the front end of the push rod 4 along the length direction of the push rod, the process groove 40 is communicated with the guide port 9, and the hook 31 is accommodated in the process groove 40. Wherein the shape of the hook 31 is consistent with the shape of the guide notch 30.

The process groove 40 is adopted to facilitate the crack generation of the guide opening 9 in the thin steel sheet 3 processing process, the thin steel sheet 3 slides up and down through the slide rail 8, the hook 31 on the thin steel sheet 8 extends out of the process groove 40 while the thin steel sheet 8 extends out of the guide opening 9, and the hook and the process groove move simultaneously to detect the position of the blade in the lockset.

The hook 31 is fixedly connected with the thin steel sheet 3 and integrally formed; the structural strength and the overall firmness of the thin steel sheet 3 are increased, so that the measurement accuracy is higher.

The thin steel sheet 3 is of a T-shaped structure; comprises a hand-held part 32 and a sliding part 33; the sliding part 33 is assembled in the slideway 8 in a sliding way, and the hand-held part 32 is assembled in the handle part 2; the thin steel sheet 3 is designed into a T-shaped structure so as to stably push the thin steel sheet 3, and the thin steel sheet 3 can be designed into other shapes and only can be matched with the slide way 8 for use; by adopting the structure, the thin steel sheet 3 is convenient to slide, and in addition, the thin steel sheet 3 is bent and deformed; the thin steel sheet 3 is made of a material with higher hardness, and the thin steel sheet 3 can be effectively prevented from being twisted off and deformed in the unlocking process; after the thin steel sheet reaches the inside of the lock hole, the thin steel sheet can be extended to be very long theoretically according to needs, and the thin steel sheet is very practical and convenient.

An unlocking method of an unlocking tool for a blade lock, comprising the steps of:

the method comprises the following steps: the stopper 14 is locked on the push rod 4 by adjusting the stopper 14, so that the distance between the guide opening 9 at the front end of the push rod 4 and the limit bump 70 is adjusted;

step two: inserting the positioning seat 1 of the unlocking tool into a lock hole of the blade lock to be unlocked, enabling one side of the inner groove 5 to face the blade and be tightly attached to the side of the blade; the limiting convex block 70 at the top of the mounting plate 7 is propped against the blade boss to be measured and is used for positioning the whole positioning seat 1;

step three: after the insertion, the thin steel sheet 3 is made to extend out from a guide port 9 at the front end of the push rod 4 by sliding the thin steel sheet 3, then the whole push rod 4 is driven to rotate by rotating the handle part 2, the hook 31 at the front end of the thin steel sheet 3 abuts against a groove in the middle of a blade, and the rotating angle of the thin steel sheet 3 is accurately calculated by the scale 11 on the dial 10;

step four: the position of the stop 14 is adjusted, so that the hooks 31 on the thin steel sheet 3 hook the blades one by one, and the data of rotating the thin steel sheet 3 every time is dialed is recorded through the scales 11 on the dial 10;

step five: and a new key is distributed and the lock is unlocked through the data recorded each time.

The tool provided by the invention does not need special manipulation and skill, does not depend on subjective judgment, is not influenced by the spring state of the blade in the lockset, can be opened by carefully operating according to the steps as long as the lockset is in a healthy state that a key can be opened, and is very practical and convenient.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the positioning seat 1, the handle part 2, the thin steel sheet 3, the push rod 4, the inner groove 5, the sliding groove 6, the mounting plate 7, the slide way 8, the guide opening 9, the dial 10, the scale 11, the shifting block 12, the through hole 13, the stop block 14, the mounting hole 14-1, the groove 14-2, the fastening hole 14-3, the locking mechanism 15, the groove 16, the bolt 15-1, the guide notch 30, the hook 31, the handheld part 32, the sliding part 33, the technical groove 40, the limit bump 70 and other terms are used, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (10)

1. An unlocking tool for a blade lock, characterized in that: comprises a positioning seat (1) and a handle part (2) arranged at the rear end of the positioning seat (1); an inner groove (5) is formed in one side of the front face of the positioning seat (1) along the length direction of the positioning seat, a sliding groove (6) is formed in the other side of the front face of the positioning seat (1), a mounting plate (7) is fixedly arranged at the rear end of the sliding groove (6), and a limiting bump (70) is formed at the top of the mounting plate (7); the mounting plate (7) and the upper end face of the positioning seat (1) are on the same horizontal plane, a groove (16) is formed in the middle of the reverse side of the positioning seat (1), one end of a push rod (4) is movably connected in the sliding groove (6), a handle part (2) is fixedly arranged at the other end of the push rod (4), the push rod (4) moves along the sliding groove (6), the end part of the push rod (4) extends out of the front end of the mounting plate (7), a slide way (8) for the front and back sliding of the thin steel sheet (3) is arranged in the push rod (4), and a guide opening (9) for changing the movement direction of the thin steel sheet (3) is formed in the front end of the slide way (8); a dial (10) is fixedly arranged at the tail end of the positioning seat (1), and scales (11) are marked on the dial (10); a shifting block (12) corresponding to the scale (11) is fixedly arranged on the handle part (2); the shifting block (12) is in a conical structure, and the end part of the shifting block (12) points to the scale (11) of the dial (10).

2. An unlocking tool for a blade lock according to claim 1, wherein: a through hole (13) is formed at the rear end of the positioning seat (1), and the push rod (4) penetrates through the through hole (13).

3. An unlocking tool for a blade lock according to claim 1 or 2, characterized in that: the push rod type anti-theft device is characterized by further comprising a stop block (14), wherein a mounting hole (14-1) with a horizontal axis is formed in the stop block (14), the push rod (4) penetrates through the mounting hole (14-1), and the push rod (4) is limited in the through hole (13).

4. An unlocking tool for a blade lock according to claim 3, characterized in that: a groove (14-2) is formed in the top of the stop block (14), and a locking mechanism (15) used for locking the stop block (14) on the push rod (4) is assembled in the groove (14-2).

5. An unlocking tool for a blade lock according to claim 4, wherein: the locking mechanism (15) comprises a bolt (15-1), a fastening hole (14-3) with a vertical axis is formed in the stop block (14), the fastening hole (14-3) penetrates through the mounting hole (14-1), the bolt (15-1) is detachably mounted in the fastening hole (14-3) and is abutted against the push rod (4) in the mounting hole (14-1) in the direction, and the stop block (14) is locked on the push rod (4).

6. An unlocking tool for a blade lock according to claim 1, wherein: a guide notch (30) is formed in the inner side of the front end of the thin steel sheet (3), a hook (31) is turned over on the thin steel sheet (3) located at the top of the guide notch (30), a process groove (40) is distributed in the front end of the push rod (4) along the length direction of the push rod, the process groove (40) is communicated with the guide opening (9), and the hook (31) is accommodated in the process groove (40).

7. An unlocking tool for a blade lock according to claim 6, wherein: the hook (31) is fixedly connected with the thin steel sheet (3) and is integrally formed.

8. An unlocking tool for a blade lock according to claim 7, wherein: the shape of the hook (31) is consistent with that of the guide notch (30).

9. An unlocking tool for a blade lock according to claim 8, wherein: the thin steel sheet (3) is of a T-shaped structure; comprises a hand-held part (32) and a sliding part (33); the sliding part (33) is assembled in the slideway (8) in a sliding way, and the hand-held part (32) is assembled in the handle part (2).

10. An unlocking method based on the unlocking tool for the blade lock of any one of claims 1 to 9, comprising the steps of:

the method comprises the following steps: the stopper (14) is locked on the push rod (4) by adjusting the stopper (14), so that the distance between a guide opening (9) at the front end of the push rod (4) and the limiting bump (70) is adjusted;

step two: inserting the positioning seat (1) of the unlocking tool into a lock hole of the blade lock to be unlocked, so that one side of the inner groove (5) faces the blade and is tightly attached to the side of the blade; a limiting lug (70) at the top of the mounting plate (7) props against a blade boss to be measured and is used for positioning the whole positioning seat (1);

step three: after the thin steel sheet (3) is inserted, the thin steel sheet (3) extends out of a guide opening (9) at the front end of a push rod (4) by sliding the thin steel sheet (3), then the whole push rod (4) is driven to rotate by rotating a handle part (2), a hook (31) at the front end of the thin steel sheet (3) abuts against a groove in the middle of a blade, and the rotating angle of the thin steel sheet (3) is accurately calculated by scales (11) on a dial (10);

step four: the position of the stop block (14) is adjusted, so that the hooks (31) on the thin steel sheet (3) hook the blades one by one, and the data of rotating when the thin steel sheet (3) is pulled each time is recorded through the scales (11) on the dial (10);

step five: and a new key is distributed and the lock is unlocked through the data recorded each time.

Images