CN214740561U

CN214740561U - Lock set

Info

Publication number: CN214740561U
Application number: CN202023304226.0U
Authority: CN
Inventors: 舒有才; 方兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a lock, including the key of taking the tartar, take the key passageway and by the lock body that the key control was opened, the key front end open and have towards the concave inner groovy of key length direction to form the drive convex part at the preceding top of key, the foremost end of key passageway is equipped with the locking subassembly of direct mechanical drive control unblock by the key, the locking subassembly include the lock plate of taking the lock tongue end, be used for making lock plate lock tongue end keep overhanging locking spring, the lock plate on open and to have the spacing hole that supplies the drive convex part to insert and rotatable cooperation realization lock plate flexible action; the drive convex part including locking free position and switching-over unblock position in spacing downthehole, the tool to lock directly adopt the key to drive the locking subassembly and unblank, the key with current adoption drives the lock core and compares in the structure of unblanking by lock core drive locking, the utility model discloses a tool to lock cost is lower, no lock core design, and the tool to lock fault rate is low, and is rational in infrastructure simple, maintains the convenience.

Description

Lock set

Technical Field

The utility model relates to a mechanical lock, especially a mechanical lock that key directly drives.

Background

At present, locks on the market are various in types and different in structure, wherein the mechanical lock is widely applied to life of people, is not influenced by occasions and environment, and is high in stability. However, a common mechanical lock comprises a lock cylinder, a pin and an insert spring, the lock cylinder is used for verifying a key and the key drives the lock cylinder to rotate, so that the lock cylinder drives the lock to move to realize unlocking, namely the lock cylinder is used for unlocking, and the pin is a pin structure, so that the lock cylinder is high in cost and difficult to maintain, and the lock cylinder is easy to break down.

Disclosure of Invention

The utility model provides a mechanical lock that with low costs, stable performance, key directly drive.

In order to solve the technical problem, the utility model discloses a following technical scheme: a lock comprises a key with teeth and a lock body which is provided with a key channel and is controlled to be unlocked by the key, wherein the front end of the key is provided with an inner groove which is concave towards the length direction of the key, so that a driving convex part is formed at the front top end of the key, the foremost end of the key channel is provided with a locking assembly which is directly driven by the key to control unlocking by machinery, the locking assembly comprises a locking sheet with a locking sheet end and a locking spring which is used for keeping the locking sheet end extending outwards, and the locking sheet is provided with a limiting hole which is used for inserting the driving convex part and can be rotationally matched with the locking sheet to realize the telescopic action of the locking sheet; the driving convex part comprises a locking free position and a reversing unlocking position in the limiting hole, the lock body at the end of the locking bolt of the locking piece extends outwards to be in a locking state, the limiting hole is aligned with the key channel, a key passes through the key channel, and the driving convex part at the front end is inserted into the limiting hole to be free from stress, namely the driving convex part is in the locking free position in the limiting hole; if the key is matched with the lock body, namely the key can rotate clockwise or anticlockwise in the key channel for reversing, the driving convex part rotates to the reversing unlocking position in the limiting hole, the surface of the driving convex part at the front end of the key pushes against the corresponding inner wall of the limiting hole to enable the locking piece to overcome the elastic force of the locking spring to move inwards, the lock tongue end retracts, and the mechanical unlocking of the locking assembly by the key is realized.

As an improvement: the locking piece of the locking assembly comprises a left locking piece and a right locking piece which are oppositely arranged up and down, the left locking piece and the right locking piece are partially staggered in the left-right direction, the upper and lower opposite sides of the staggered section are provided with missing teeth, the missing teeth on the two opposite sides are oppositely formed into limiting holes up and down, and the locking spring is abutted between the left locking piece and the right locking piece; in a locked state of the lock body, the left locking piece and the right locking piece are respectively expanded outwards under the elastic force of the locking spring, so that two lock tongue ends of the left locking piece and the right locking piece extend outwards; during unlocking, the driving convex part rotates to the reversing unlocking position from the locking free position in the limiting hole, so that the left locking piece and the right locking piece overcome the elastic force of the locking spring and move inwards leftwards and rightwards, and the two lock tongue ends of the left locking piece and the right locking piece retract to realize unlocking.

As an improvement: the key comprises a key body with teeth, wherein the center of the key body is provided with a wave middle shaft which is formed by stamping upwards in equal thickness, namely the wave middle shaft is protruded on the upper surface of the center of the key body, the wave middle shaft is concave on the lower surface of the center of the key body, an inner groove is arranged at the center of the front end of the key body, the bottom of the inner groove is positioned on the wave middle shaft, so that two driving convex parts which are matched with a limiting hole are respectively formed on the left side and the right side of the inner groove at the front end of the key body, the distance between the two driving convex parts is larger than the vertical distance between the highest point and the lowest point of the key body in the thickness direction, in the process of rotating from a locking free position to a reversing unlocking position, the outer side surfaces of the two driving convex parts in the width direction are pressed against the inner wall of the limiting hole, and the locking spring is overcome, then the locking spring is rotated to the width direction of the two driving convex parts of the key body to open the limiting hole, so that the left locking plate and the right locking plate move left and right inwards, and the spring bolt end of the locking plate is retracted to unlock the lock body.

As an improvement: the scarce tooth on left side locking piece and the right locking piece include to the bellied location convex ridge of opposite face, it pushes away the millet to be located the support of location convex ridge left and right sides respectively, two location convex ridges that set up relatively enclose with pushing away the millet and establish the spacing hole that corresponds with the key body front end, when lock body locking state, two location convex ridges on left side locking piece and the right locking piece are close to relatively from top to bottom and form discontinuous or continuous central reference column, the key body inserts the key passageway, insert when spacing hole at two drive convex parts, central reference column card inlays in the inner groovy, correspond the cooperation with the inner groovy, the calibration central point puts and prescribes a limit to the depth of insertion of key.

The utility model discloses a tool to lock directly adopts the key to drive the locking subassembly and unblanks, and the key with current adoption drives the lock core and compares in the structure of unblanking by lock core drive locking, the utility model discloses a tool to lock cost is lower, no lock core design, and the tool to lock fault rate is low, and is rational in infrastructure simple, maintains the convenience.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the lock of the present invention.

Fig. 2 is an exploded view of the lock body and key.

Fig. 3 is a schematic structural view of the locking assembly in a locked state.

Fig. 4 is a schematic structural view of the locking assembly in an unlocked state.

Fig. 5 is a schematic view of the structure of the key.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the present invention provides an embodiment of a lock, which is a U-shaped lock, and may be other types of locks, including a lock housing 1, a lock body with a keyhole disposed in the lock housing 1, a matching key 2, and a locking assembly capable of being mechanically controlled to unlock by the key directly at the front end of the lock housing, where the key 2 includes a handle portion 2-1 and a key body 2-2 extending forward and having a plurality of teeth grooves formed on two sides or one side thereof. The center of the key body 2-2 is provided with a wave middle shaft formed by stamping upwards in equal thickness, namely the wave middle shaft is provided with a middle shaft bulge 2-3 on the upper surface of the center of the key body, the wave middle shaft is provided with a middle shaft indent 2-4 on the lower surface of the center of the key body, the locking assembly comprises a locking piece 6 with a locking piece end and a locking spring 7 used for keeping the locking piece end of the locking piece 6 extending to the locking hole 10, the U-shaped lock of the embodiment is of a double-locking-hole structure, so that double-locking-piece arrangement is adopted, and the U-shaped lock can be also be provided with a single-locking-piece arrangement according to requirements. Two locking pieces 6 of this embodiment are relative left locking piece and the right locking piece that sets up about being respectively, locking spring 7 butt between left locking piece and right locking piece. Left side locking piece and right locking piece are in left and right sides direction upper portion crisscross and the upper and lower relative edge of crisscross section is opened lacks the tooth, and the limited hole 8 is formed relative up and down to the lack tooth on this double-phase opposite side. The teeth on the left locking piece and the right locking piece comprise positioning convex ridges 6-1 protruding towards the opposite surfaces and pushing valleys 62 respectively positioned at the left side and the right side of the positioning convex ridges 6-1, and a limiting hole 8 corresponding to the front end of the key body 2-2 is formed by enclosing the two opposite positioning convex ridges 6-1 and the pushing valleys 6-2. The center of the top end of the key body 2-2 is provided with an inner groove 2-6 which is concave towards the length direction of the key, the bottom of the inner groove 2-6 is positioned on a wave middle shaft, so that two driving convex parts 2-7 matched with a limiting hole 8 are respectively formed on the left side and the right side of the inner groove 2-6 at the front end of the key body, the two driving convex parts 2-7 at the front top end of the key are far away from the middle shaft, the distance between the two driving convex parts is larger than the vertical distance between the highest point and the lowest point of the key body 2-2 in the thickness direction, and a knob part which can act between a left locking piece and a right locking piece and can deform the limiting hole is formed at the front end of the key body 2-2 before and after the key is reversed anticlockwise. The driving convex parts 2-7 comprise locking free positions and reversing unlocking positions in the limiting holes 8, the lock body locking state is realized when the lock tongue end of the locking piece 6 extends outwards, the limiting holes 8 are aligned with the key channel, the two positioning convex ridges 6-1 on the left locking piece and the right locking piece are relatively close to each other up and down to form a discontinuous or continuous central positioning column, and the central positioning column can also play a role in preventing a universal key from being inserted into the direct-drive locking piece. The key passes through the key channel, two driving convex parts 2-7 with transverse intervals at the front end are inserted into the limiting hole 8 to be free from stress, namely the driving convex parts 2-7 are in locking free positions in the limiting hole 8, meanwhile, the central positioning column is clamped in the inner grooves 2-6 and correspondingly matched with the inner grooves 2-6, the central position is calibrated, and the insertion depth of the key is limited. If the key body is matched with the lock body, namely the key body rotates anticlockwise in the key channel for reversing, the two driving convex parts 2-7 rotate anticlockwise in the limiting hole 8 to a vertical reversing unlocking position, the two driving convex parts 2-7 are in the function of a knob piece, the outer side surfaces of the two driving convex parts 2-7 in the width direction are propped against the inner wall of the limiting hole, after overcoming the elasticity of the locking spring 7, the key body is rotated to two driving convex parts of the key body to reversely expand the limiting hole in the width direction, the left locking sheet and the right locking sheet move inwards left and right, the spring bolt end of the locking sheet is retracted and is not exposed out of the lock hole, the key realizes the mechanical unlocking of the locking assembly, when the key rotates clockwise to the transverse locking position, the two driving convex parts 2-7 release acting force on the limiting hole, the left locking piece and the right locking piece automatically reset to the locking state under the acting force of the locking spring, and the bolt ends at the two ends extend into the corresponding lock holes.

The utility model discloses a tool to lock directly adopts the key to drive the locking subassembly and unblanks, does not have lock core, no pellet shot from a slingshot and inserted sheet spring, and the key with current adoption drives the lock core and compares in the structure of unblanking by lock core drive locking, the utility model discloses a tool to lock cost is lower, and no lock core design, the tool to lock fault rate is low, maintains portably. And the lock requires that the keys are discontinuous in the length direction, so that the key is effectively used universally and the technical unlocking is prevented.

Although the present invention has been described with reference to the specific embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lockset, includes key (2) of taking the tartar, takes the key channel and by lock body (1) that key control opened, its characterized in that: the front end of the key (2) is provided with an inner groove (2-6) which is concave towards the length direction of the key, so that a driving convex part (27) is formed at the front top end of the key, the foremost end of a key channel is provided with a locking assembly which is directly driven by the key machinery to control unlocking, the locking assembly comprises a locking sheet (6) with a locking tongue end and a locking spring (7) which is used for keeping the locking tongue end of the locking sheet (6) to extend outwards, and the locking sheet (6) is provided with a limiting hole (8) which is used for the driving convex part (2-7) to insert and can be rotatably matched to realize the telescopic action of the locking sheet (6); the driving convex parts (2-7) comprise locking free positions and reversing unlocking positions in the limiting hole (8), a lock body is in a locking state when the lock tongue end of the locking piece (6) extends outwards, the limiting hole (8) is aligned with a key channel, a key passes through the key channel, the driving convex parts (2-7) at the front end are inserted into the limiting hole (8) freely without stress, and the driving convex parts (2-7) are in the locking free positions in the limiting hole (8); if the key is matched with the lock body, the key can rotate clockwise or anticlockwise in the key passage to change the direction.

2. The lock according to claim 1, characterized in that: the locking piece (6) of the locking assembly comprises a left locking piece and a right locking piece which are oppositely arranged up and down, the left locking piece and the right locking piece are partially staggered in the left-right direction, the upper opposite side and the lower opposite side of the staggered section are provided with missing teeth, the missing teeth on the two opposite sides are oppositely formed into a limiting hole (8) up and down, and the locking spring (7) is abutted between the left locking piece and the right locking piece; when the lock body is in a locking state, the left locking piece and the right locking piece are respectively outwards unfolded under the elastic action of the locking spring (7), so that two lock tongue ends of the left locking piece and the right locking piece extend outwards.

3. The lock according to claim 2, characterized in that: the key comprises a key body (2-2) with teeth, wherein the center of the key body (2-2) is provided with a wave middle shaft formed by stamping upwards in an equal thickness mode, namely the wave middle shaft is provided with a middle shaft bulge (2-3) on the upper surface of the center of the key body, the wave middle shaft is provided with a middle shaft indent (2-4) on the lower surface of the center of the key body, an inner groove (2-6) is arranged at the center of the front end of the key body, the bottom of the inner groove (2-6) is arranged on the wave middle shaft, so that two driving convex parts (2-7) matched with a limiting hole (8) are respectively formed on the left side and the right side of the inner groove (2-6) at the front end of the key body, and the distance between the two driving convex parts is larger than the vertical distance between the lowest point and the highest point of the key body (2-2) in the thickness direction.

4. The lock according to claim 3, wherein: the missing teeth on the left locking piece and the right locking piece comprise positioning convex ridges (6-1) protruding towards the opposite surfaces and abutting push valleys (6-2) respectively positioned at the left side and the right side of the positioning convex ridges (6-1), and limit holes corresponding to the front end of the key body (2-2) are formed by enclosing the two positioning convex ridges (6-1) and the abutting push valleys (6-2) which are oppositely arranged, when the lock body is in a locking state, the two positioning convex ridges (6-1) on the left locking piece and the right locking piece are relatively close to each other up and down to form a discontinuous or continuous central positioning column, the key body is inserted into the key channel, when the two driving convex parts (2-7) are inserted into the limiting holes, the central positioning column is clamped and embedded in the inner grooves (2-6), in corresponding cooperation with the inner grooves (2-6), the centre position is calibrated and the depth of insertion of the key is limited.