CN209874685U

CN209874685U - Dual anti-theft lock structure and key matched with same

Info

Publication number: CN209874685U
Application number: CN201920251653.5U
Authority: CN
Inventors: 张其湘
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2019-12-31
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a double anti-theft lock and a key matched with the same, wherein the double anti-theft lock comprises a lock body, a handle, a lock core arranged in the lock body and a control bolt with a lock tongue, the lock core consists of an inner lock core and an outer lock core, the inner lock core is fixed on the lock body, the outer lock core wraps the inner lock core and is rotatablely connected around the inner lock core, and a toggle column is arranged on the outer lock core, is contacted with a push-pull sheet arranged in the lock body and is in linkage control with the control bolt with the lock tongue; the lock key comprises a lock key body, the lock key body is provided with a verification hole site for verifying whether the lock key is matched with a corresponding lock, when the lock is unlocked, the handle is rotated to drive the control bolt with the lock tongue to control the push-pull sheet to pull the outer lock core to rotate, so that the lock core can verify whether the key is matched with the lock key to determine whether the lock is unlocked, the lock key has a compact structure and an ingenious design, and the lock has the function of resisting technical unlocking or forced destructive opening of external force, and is very convenient and practical.

Description

Dual anti-theft lock structure and key matched with same

Technical Field

The utility model relates to a mechanical lock makes technical field, a dual pickproof lock structure and matches the key that uses particularly.

Background

As a practical tool for safety and theft prevention, historically, the lock is continuously improved and updated by predecessors, and the safety standard of the lock, which is safer and more reliable, can be improved. Although the existing lock sold on the market has various varieties, very different appearance layouts and more complex internal layout of the lock cylinder, the technical principles of most mechanical locks have no essential difference, the lock cylinder components have low limiting capacity, the lock cannot achieve the functions of safety, reliability and prevention of forced prying by external force, and the lock cannot have the function of resisting technical unlocking or forced destructive opening by external force. The performance of preventing technical unlocking of a common lock mainly depends on the structure of a lock core, the complex key level of the lock core is relied on, the technical unlocking performance is better when the key level is high, other keys are low in level, especially locks made of the lock cores of middle-low (A, B level), common thieves can easily open the locks by adopting a technical unlocking method, and the technical unlocking time is even calculated in seconds. Therefore, the innovation of the utility model is generated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a double anti-theft mechanical lock and supporting key that uses thereof that the structure is ingenious, convenient and practical, low in manufacturing cost just can resist technical unblanking or external force is destructively opened by force.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model discloses a dual pickproof lock structure, it includes tool to lock body, handle, installs this internal lock core of tool to lock and takes the control bolt of spring bolt, the lock core constitute by interior lock core and outer lock core, on interior lock core was fixed in the tool to lock body, outer lock core parcel interior lock core just is rotatable formula connection around interior lock core, be equipped with on the outer lock core stir the post with this internal push-and-pull piece that is equipped with of tool to lock contact and with take the control bolt phase coordinated control of spring bolt, thereby make to rotate the control bolt control push-and-pull piece pulling outer lock core that the handle drove the spring bolt and rotate and realize that the lock core verifies whether the key matches and confirm whether unblank to the key.

The lock is characterized in that a rotating sheet with an arc angle is further arranged in the lock body and sleeved on a handle shaft arranged on the handle, the rotating sheet and the control bolt are connected with the handle shaft and controlled by the handle to move, a shielding block with a spring is further arranged in the lock body, one end of the shielding block is in contact with the arc angle of the rotating sheet, the other end of the shielding block corresponds to the key insertion hole of the lock cylinder, and the shielding block is pushed by the arc angle of the rotating sheet to shield the key insertion hole of the lock cylinder when the handle is rotated.

The spring be extension spring, extension spring one end with shelter from the piece and meet, the other end meets with the tool to lock body, extension spring pulling shelters from the dog and contacts with the arc angle of rotor.

The number of the arc-shaped angles of the rotating pieces is two.

The inner lock core is convex and higher than the outer lock core, and the convex shape of the inner lock core is embedded in a lock core hole arranged in the lock body.

A key matched with the double anti-theft mechanical lock structure comprises a key body, wherein a key groove matched with a lock core of a lock is formed in the key body, and a verification hole position used for verifying whether the key is matched with the corresponding lock is further formed in the key body.

The position of the key verification hole on the key body is matched with the position of a key insertion hole of the lock cylinder and corresponds to the end position of a shielding block with a spring in the lock body, and the handle is rotated to enable the rotating piece to push the shielding block to block the position of the key insertion hole of the lock cylinder after the shielding block passes through the key verification hole, so that whether the key is matched or not is verified. Meanwhile, under the condition that no key is inserted, the blocking piece is used for blocking the position of the key insertion hole, so that the lock cylinder is protected from being technically unlocked and interfered, and a better protection effect is achieved. The shielding block piece has the functions of enabling the shielding block piece to smoothly pass through the key verification hole position and shielding the unlocking hole into which the key is inserted.

The mechanical lockset accords with daily life use, can be installed on a household security door, a show window door cabinet, a warehouse and the like, has very wide application range, and can also be adopted the utility model discloses a conception structure is applied to other security devices required by security devices.

The utility model discloses the biggest advantage lies in preventing that the technique from unblanking in order to protect the security performance of tool to lock. Technical unlocking must simultaneously have two necessary conditions: the lock has an exposed unlocking hole to facilitate the unlocking technology of the technical unlocking to enter the action, and the lock has the advantages that power is continuously applied to the lock core to enable the lock core to rotate, so that the technical unlocking cannot be carried out due to the lack of any condition.

The utility model discloses can make it all can only obtain one of them condition at any time, when still not rotating the handle, the unlocking hole is exposed (this is one of them condition), at this moment technical unlocking personnel can do with the instrument and pull marble or other operations in the lockhole, but how to make the lock core obtain make its pivoted power? that lasts because the utility model discloses lock key and interior lock core are fixed nonrotatable, can only make outer lock core rotate, and the power of exerting to outer lock core can only be obtained through rotatory handle, and the transmission process order of its power is that rotate the handle, drive and handle axle transport, drive the control bolt, drive the push-and-pull piece, drive outer lock core, and interior lock core is inside the tool to be locked, can't give outer lock core's rotation through the rotation of lock key or can's rotation through interior lock core, handle axle can adopt the mode of time delay linkage, handle axle and rotor piece are the instant linkage, when rotating the handle, the rotor piece that links with the handle immediately firstly shelters piece shelters from the position that the piece promoted the unlocking hole (at this moment the operation of marble has pulled out the operation of the lockhole has reached, and has just the practical dual lock core of starting the operation of the lock core again and has just can not started the safe push-pull-out the lock core again, thereby has just can not started the practical dual lock core and has just can not started the lock core again and has just can be prevented the dual rotation of the operation of the lock core again and has just to make the practical dual rotation of the lock core to have kept the push-pull-out the lock core to have kept the time delay action to have just to have kept the lock core again.

After the common lock is inserted into the matched key in the unlocking hole, the lock core is rotated by rotating the key to provide power for the movement of the lock tongue, and after the lock is inserted into the matched key in the unlocking hole, the lock core can be rotated to prevent the lock tongue from being clamped by the lock core for the movement of the lock tongue, so that the lock tongue can enter the action of opening the lock in the next step.

The utility model discloses the design can be made the best tool to lock of security performance that prevents that the technique from unblanking with the lowest rank lock core, makes the tool to lock have better market price/performance ratio, convenient easy more extensive popularization.

Under the condition of needing to unlock, firstly, inserting a key into a hole position of a key lock cylinder, then, rotating a handle, driving a rotating piece to act by the handle, pushing a shielding block with an extension spring by the rotating piece under the self arc angle, and enabling the shielding block to shield the key insertion hole position of the lock cylinder, if a verification hole position which is matched with the shielding block and enables the shielding block to pass is arranged on an inserted key body, completing the verification of the key through the shielding block; if the inserted key body is not provided with a verification hole site which is matched with the shielding block and allows the shielding block to pass through, the shielding block is blocked by the inserted key, and the handle cannot rotate continuously, namely, the unlocking action is stopped continuously. After the inserted key body passes the verification of the shielding block, the handle continues to rotate, the control bolt with the lock tongue drives the pushing piece to move under stress, the pushing piece is contacted with the shifting column of the outer lock cylinder, and under the condition that the key is inserted into the inner lock cylinder, the control bolt drives the pushing piece to enable the outer lock cylinder to rotate around the inner lock cylinder; if the key is not matched with the decoding keys of the inner lock cylinder and the outer lock cylinder, the decoding keys are not verified successfully, the lock cylinder cannot be opened, the outer lock cylinder cannot rotate, and the control bolt with the lock bolt cannot enter the unlocking action of opening the lock bolt.

If the unmatched key is inserted, the push-pull piece is driven to push the shielding block to penetrate through a hole position on the key to shield the unlocking hole when the handle is rotated, the handle shaft cannot rotate, the lock cylinder at the part where the key is unmatched cannot rotate, the rotation of the handle shaft is prevented, the handle shaft cannot rotate, the control bolt connected with the lock tongue cannot move, and the door lock cannot be unlocked.

The utility model has the advantages that: the utility model adopts the outer lock core to wrap the inner lock core and is rotatablely connected around the inner lock core, the outer lock core is provided with a toggle column which is contacted with a push-pull sheet arranged in the lock body and is in linkage control with a control bolt with a lock tongue, so that the control bolt with the lock tongue is driven by the rotating handle to control the push-pull sheet to pull the outer lock core to rotate, thereby realizing that the lock core verifies whether the key is matched to determine whether to unlock; be equipped with on the key body simultaneously and be used for verifying the verification hole site that the key matches corresponding tool to lock, make the utility model discloses the tool to lock passes through the dual verification of lock core and key and reaches dual safe theftproof effect, has avoided the utility model discloses the tool to lock is unblanked by the technique and is opened and open with the brute force, and its compact structure thinks about ingeniously, makes the tool to lock have completely and resists the function that technical unblanking or external force destructive was opened by force, very convenient and practical.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the disassembled lock case of the present invention;

FIG. 3 is a schematic diagram of the explosion structure of the present invention;

fig. 4 is a schematic diagram of the key structure of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Referring to the attached drawings 1-4, the utility model discloses a dual anti-theft lock structure, it includes tool to lock body 1, handle 2, installs at this internal lock core 3 of tool to lock and takes the control bolt 5 of bolt 4, the lock core constitute by interior lock core 31 and outer lock core 32, on the lock body is fixed in to interior lock core, outer lock core parcel interior lock core and be rotatable formula connection around interior lock core, be equipped with on the outer lock core and stir post 33 and this internal push-and-pull piece 6 that is equipped with of tool to lock and contact and with the control bolt coordinated control who takes the bolt, make the control bolt that the handle drove the bolt and take the bolt to control the push-and-pull piece pulling outer lock core and rotate thereby realize the lock core and verify whether the key matches and confirm whether unblank or not to the key.

The lock is characterized in that a rotating sheet 7 with an arc angle is further arranged in the lock body and sleeved on a handle shaft arranged on the handle, the rotating sheet and the control bolt are connected with the handle shaft and controlled by the handle to move, a shielding block 9 with a spring 8 is further arranged in the lock body, one end of the shielding block is in contact with the arc angle of the rotating sheet, the other end of the shielding block corresponds to the position of a key insertion hole of the lock cylinder, and the arc angle of the rotating sheet pushes the shielding block to shield the position of the key insertion hole of the lock cylinder when the handle is rotated.

The number of the arc-shaped angles of the rotating pieces is two.

A key matched with the double anti-theft mechanical lock structure comprises a key body 10, a key groove 11 matched with a lock core of a lock is arranged on the key body, and a verification hole position 12 used for verifying whether the key is matched with the corresponding lock is further arranged on the key body.

The position of the key verification hole on the key body is matched with the position of a key insertion hole of the lock cylinder and corresponds to the end position of a shielding block with a spring in the lock body, and the handle is rotated to enable the rotating piece to push the shielding block to block the position of the key insertion hole of the lock cylinder after the shielding block passes through the key verification hole, so that whether the key is matched or not is verified. Meanwhile, under the condition that no key is inserted, the blocking piece is used for blocking the position of the key insertion hole, so that the lock cylinder is protected from being technically unlocked and interfered, and a better protection effect is achieved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; all the ordinary technicians in the industry can smoothly implement the utility model according to the contents disclosed above; however, those skilled in the art should understand that changes, modifications and variations that are equivalent to those of the above-described embodiments may be made without departing from the scope of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a dual pickproof lock structure, includes tool to lock body (1), handle (2), installs at this internal lock core (3) of tool to lock and takes control bolt (5) of spring bolt (4), its characterized in that: the lock core is composed of an inner lock core (31) and an outer lock core (32), the inner lock core is fixed on the lock body, the outer lock core wraps the inner lock core and is rotatably connected around the inner lock core, a poking column (33) is arranged on the outer lock core, contacts with a push-pull sheet (6) arranged in the lock body and is in linkage control with a control bolt with a lock tongue, and a rotating handle drives the control bolt with the lock tongue to control the push-pull sheet to pull the outer lock core to rotate, so that the lock core verifies whether a key is matched to determine whether unlocking or not.

2. The double anti-theft lock structure according to claim 1, characterized in that: the lock is characterized in that a rotating sheet (7) with an arc angle is further arranged in the lock body and sleeved on a handle shaft arranged on the handle, the rotating sheet and the control bolt are connected with the handle shaft and controlled by the handle to move, a shielding block (9) with a spring (8) is further arranged in the lock body, one end of the shielding block is in contact with the arc angle of the rotating sheet, the other end of the shielding block corresponds to a key insertion hole of the lock cylinder, and the arc angle of the rotating sheet pushes the shielding block to shield the key insertion hole of the lock cylinder when the handle is rotated.

3. The double anti-theft lock structure according to claim 2, characterized in that: the spring be extension spring, extension spring one end with shelter from the piece and meet, the other end meets with the tool to lock body, extension spring pulling shelters from the dog and contacts with the arc angle of rotor.

4. The double anti-theft lock structure according to claim 3, characterized in that: the number of the arc-shaped angles of the rotating pieces is two.

5. The double anti-theft lock structure according to claim 1, characterized in that: the inner lock core is convex and higher than the outer lock core, and the convex shape of the inner lock core is embedded in a lock core hole arranged in the lock body.

6. A key matched with the double anti-theft lock structure of claim 1, comprising a key body (10), wherein the key body is provided with a key groove (11) matched with a lock core of a lock, and the key is characterized in that: the key body is also provided with a verification hole position (12) used for verifying whether the key is matched with the corresponding lockset.

7. A key as defined in claim 6, wherein: the position of the key verification hole on the key body is matched with the position of a key insertion hole of the lock cylinder and corresponds to the end position of a shielding block with a spring in the lock body, and the handle is rotated to enable the rotating piece to push the shielding block to block the position of the key insertion hole of the lock cylinder after the shielding block passes through the key verification hole, so that whether the key is matched or not is verified.