CN215291907U - Lock core and lock with same - Google Patents

Abstract

The utility model is suitable for a tool to lock field discloses a lock core and have tool to lock of this lock core, and the lock core includes lock courage shell, lock courage and the bullet subassembly that hold in hold the intracavity, lock courage rotate connect in lock courage shell, the bullet subassembly along lock courage shell axial setting and connect in lock courage; the lock core further comprises a limiting piece which is arranged in the accommodating cavity and used for being matched with the pin assembly to lock the lock core, the pin assembly is provided with a pin groove, and the pin assembly is used for being matched with a key and moving axially along the accommodating cavity to enable the pin groove to be aligned with the limiting piece to unlock the lock core. The lockset comprises a lockset body and the lock cylinder. The utility model provides a lock core and have tool to lock of this lock core, its simple relatively and assembly of structure are swift, and the cost is lower to the subregion hierarchical management that the tool to lock was realized in accessible bullet groove, security and reliability are better.

Description

Lock core and lock with same

Technical Field

The utility model belongs to the tool to lock field especially relates to a lock core and have tool to lock of this lock core.

Background

In many industrial fields, such as electric power and industrial and mining fields, in order to standardize the operation and management of equipment and avoid accidents, an anti-misoperation system is generally adopted to manage and operate related equipment. Among them, the terminal lock of the device is an important ring in the anti-error system.

The existing common lock is simple in structure, poor in safety and reliability, high in potential safety hazard, free of partition classification management function, prone to being staggered and mistakenly opened and not beneficial to management of the lock. The common industrial lock usually adopts a tooth-shaped key lock, and in the using process, the stress of the key and the lock cylinder is uneven, the lock cylinder and the key are easy to deform and dislocate, so that the normal use of the lock is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a lock core and have tool to lock of this lock core, its structure is simple relatively and the assembly is swift, and the cost is lower to the subregion hierarchical management that the tool to lock was realized in accessible bullet groove, security and reliability are better.

The technical scheme of the utility model is that: a lock core comprises a lock core shell with a containing cavity, a lock core and a pin assembly, wherein the lock core is contained in the containing cavity; the lock core further comprises a limiting piece which is arranged in the accommodating cavity and used for being matched with the pin assembly to lock the lock core, the pin assembly is provided with a pin groove, and the pin assembly is used for being matched with a key and moving axially along the accommodating cavity to enable the pin groove to be aligned with the limiting piece to unlock the lock core.

Optionally, the cylinder is provided with a cylinder groove for accommodating the ball assembly, the ball assembly includes a spring arranged in the cylinder groove and a ball connected to the spring, and the ball is provided with at least one ball groove in the axial direction.

Optionally, the marble is circular, rectangular, oval or racetrack in cross-section; and/or the height of the bullet groove is not less than the thickness of the limiting piece.

Optionally, the lock core is cylindrical, and the lock core grooves are distributed at intervals along the circumferential direction of the lock core.

Optionally, the bullet assemblies are provided with one group, two groups or more groups, and when the bullet assemblies are provided with more than two groups, the number or/and the positions of the bullet slots of at least two groups of the bullet assemblies are different.

Optionally, the limiting part is annular and is sleeved on the lock cylinder, a limiting protrusion used for limiting rotation of the limiting part is arranged at the outer edge of the limiting part, and a limiting groove used for allowing the elastic component to stretch into is arranged at the inner edge of the limiting part.

Optionally, the side wall of the accommodating cavity is provided with a limiting step, the front end face of the limiting part is connected to the limiting step, and the rear end face of the limiting part is connected to the lock cylinder.

Optionally, the front end of the lock core extends into the accommodating cavity and is provided with a positioning column used for being matched with a key in a positioning manner, and the rear end of the lock core is connected with a shifting part and extends out of the accommodating cavity.

Optionally, the lock core further comprises a limiting clamp spring for limiting the lock cylinder to move axially, and the limiting clamp spring is connected to the lock cylinder shell and close to the rear end of the lock cylinder.

The utility model also provides a lock, including tool to lock body and foretell lock core.

The utility model provides a lock core and have tool to lock of this lock core sets up the unblock and the shutting that the lock courage was realized with the locating part cooperation to the bullet subassembly through the axial, makes the atress of tool to lock in the use more balanced, improves the reliability of lock core and tool to lock. The lock core has the advantages of relatively simple structure, convenient assembly process and effectively reduced production cost, and meanwhile, the pin tumbler grooves of the pin tumbler assemblies can be used for realizing the partitioned hierarchical management of the lock, so that the safety of the lock is improved.

Drawings

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

Fig. 1 is an exploded view of a lock cylinder provided in an embodiment of the present invention;

fig. 2 is an exploded view of a lock cylinder, a pin tumbler assembly and a position limiting member of a lock cylinder according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a pin tumbler of a lock cylinder according to an embodiment of the present invention;

fig. 4 is a bottom view of a lock cylinder provided in an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the latch of FIG. 4 taken along line A-A;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 4 in an unlocked state;

fig. 7 is a side view of a lock cylinder provided in an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7 (in the latched condition);

fig. 9 is a sectional view taken along line B-B in fig. 7 (in an unlocked state).

In the figure:

10. a lock liner shell; 11. an accommodating chamber; 12. a necking structure; 13. a limiting step;

20. a lock liner; 21. a lock cylinder groove; 22. a positioning column; 23. a toggle part;

3. an bullet assembly; 30. marbles; 301. a bullet groove; 31. a spring;

40. a limiting member; 41. a limiting bulge; 42. a limiting groove;

50. a limiting clamp spring;

60. a key.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and it is only for convenience of description and simplification of the description, but does not indicate or imply that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the embodiments may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and in order to avoid unnecessary repetition, various possible combinations of features/embodiments in the present invention will not be further described.

An embodiment of the utility model provides a lock core, please refer to fig. 1 and fig. 2, the lock core includes lock courage shell 10, lock courage 20, bullet subassembly 3 and locating part 40, lock courage shell 10 has and holds chamber 11, locating part 40, lock courage 20 and bullet subassembly 3 accept in holding chamber 11, lock courage 20 rotates to be connected in lock courage shell 10, bullet subassembly 3 sets up along lock courage shell 10 axial and is connected in lock courage 20, bullet subassembly 3 has bullet groove 301, bullet subassembly 3 is used for cooperating with key 60 and can follow and hold 11 axial displacement in chamber. Specifically, in the locked state, referring to fig. 5 and 8, the limiting member 40 can limit the lock cylinder 20 from rotating in the accommodating cavity 11 by cooperating with the pin tumbler assembly 3, so as to lock the lock cylinder; when unlocking, referring to fig. 6 and 9, the key 60 can be used to cooperate with the ball assembly 3 to move the ball assembly 3 along the axial direction of the lock cylinder shell 10, when the ball groove 301 of the ball assembly 3 moves to be aligned with the limiting piece 40, the limiting piece 40 can slide in the ball groove 301 by rotating the key 60, and the limiting piece 40 no longer limits the rotation of the ball assembly 3 and the lock cylinder 20, so as to unlock the lock cylinder. Therefore, the axially arranged pin assembly 3 can enable the lock cylinder to be stressed more evenly during unlocking, the structure of the lock cylinder is relatively simple, the lock cylinder assembly process can be effectively simplified, and the production cost is reduced. In the concrete application, the key 60 that this embodiment lock core corresponds can be according to the quantity and the position design of bullet subassembly 3, is rectangular form key among the prior art in comparing, and the key 60 in this embodiment can be short cylindrical, improves the intensity of key 60 to in the in-process that uses key 60 unblock lock core, the lock core receives the external force that key 60 applyed more balanced, avoids the lock core to appear situations such as inside parts dislocation, deformation after using for a long time, effectively improves the reliability of lock core and tool to lock. In specific application, the number of the marble components 3 and the number of the marble grooves 301 can be selected according to requirements, the partition hierarchical management of the lock is realized by utilizing the number of the marble grooves 301 and the number of the marble components 3, different key forms can be formed by matching the marble components 3 and the marble grooves 301, the management of the lock and related equipment is facilitated, the problems of mistaken unlocking and staggering of the lock are reduced, and the safety of the lock is improved.

As an alternative embodiment of the present embodiment, please refer to fig. 2 and 3, the cylinder barrel 20 is provided with a cylinder barrel groove 21, the ball assembly 3 is disposed in the cylinder barrel groove 21, and the ball assembly 3 includes a spring 31 and a ball 30. The spring 31 is located in the cylinder groove 21, one end of the spring 31 is connected to the bottom of the cylinder groove 21, the other end of the spring 31 is connected to the pin 30, the pin 30 is provided with at least one pin groove 301 in the axial direction, and the pin 30 can compress the spring 31 and slide along the cylinder groove 21 to align or stagger the pin 30 with the limiting member 40 (refer to fig. 5 and 6), so that unlocking and locking of the lock cylinder are realized. In a specific application, in a locking state, the rear end of the pin 30 can be positioned in the lock cylinder groove 21, so that the reliability of the pin 30 in sliding is ensured; when unlocking, the key 60 can push the marble 30 to compress the spring 31, so that the marble 30 slides along the lock cylinder groove 21, the sliding track of the marble 30 is ensured to be stable, and the reliability of the lock core and the lock is improved.

Specifically, lock courage 20 can be cylindrical, and lock courage groove 21 can be followed lock courage 20's axial interval distribution, and the quantity in lock courage groove 21 can correspond with the quantity of bullet subassembly 3, and in this embodiment, lock courage groove 21 can be provided with four, and interval 90 degrees equipartitions in lock courage 20.

Further, as an alternative to this embodiment, please continue to refer to fig. 3, the cross-section of the marble 30 may be circular (a), racetrack (b), oval (c), or rectangular (d). The pin groove 301 may be provided around the outer periphery of the pin groove 301, or the pin grooves 301 may be provided on both sides of the outer periphery of the pin 30. Of course, in other embodiments, the cross-section of the pin 30 may have other suitable shapes, and the specific shape of the pin groove 301 may have other suitable shapes.

As an alternative embodiment of the present embodiment, the ball assemblies 3 may be provided with one set, two sets or more sets, and when the ball assemblies 3 are provided with more than two sets, the number and/or positions of the ball grooves 301 of at least two sets of ball assemblies 3 are different. Thus, the lock core and the lock can have various different keys through the combination of the number and the positions of the pin grooves 301 among the pin assemblies 3, so that the partitioned hierarchical management of the lock is realized. In this embodiment, referring to fig. 2, the ball assembly 3 may be provided with four sets, wherein one ball 30 is provided with one ball groove 301, the remaining three balls 30 are provided with two ball grooves 301, and the intervals between the two ball grooves 301 of the three balls 30 may be different. Of course, in other embodiments, the number of ball assemblies 3, the number of ball grooves 301, the spacing between the ball grooves 301, and the specific positions of the ball grooves 301 may be set as appropriate according to practical circumstances. In specific application, when the key 60 with different levels is used for unlocking, the distance for pushing the marble 30 to move is different, so that different marble grooves 301 of each marble 30 can be aligned with the limiting piece 40, and effective partition grading management is realized.

As an optional implementation manner of the present embodiment, please refer to fig. 2 and fig. 3 together, the limiting member 40 may be ring-shaped and sleeved on the lock cylinder 20, a limiting protrusion 41 is disposed on an outer edge of the limiting member 40, and the limiting protrusion 41 may be matched with a sidewall of the accommodating cavity 11 to limit the rotation of the limiting member 40 in the accommodating cavity 11; the inner edge of the retaining member 40 is provided with a retaining groove 42, and the cartridge groove 301 of the cartridge assembly 3 can be inserted into the retaining groove 42. In a specific application, referring to fig. 5 and 8, in a locked state, a non-pin groove 301 portion of the pin 30 may be located in the limiting groove 42 of the limiting member 40, and at this time, the pin 30 may lock the cylinder 20 under the limitation of the limiting groove 42 and the side wall of the pin 30, so that the cylinder 20 cannot rotate; referring to fig. 6 and 9, when unlocking, the key 60 is used to push the pin groove 301 of the pin 30 to align with the position-limiting member 40, and when the key 60 is rotated, the position-limiting member 40 (the inner edge of the position-limiting groove 42) can extend into the pin groove 301 and slide in the pin groove 301, and at this time, the position-limiting member 40 no longer limits the rotation of the pin 30 and the cylinder core 20.

Specifically, referring to fig. 2, the position-limiting member 40 may be in a sheet shape, and the height of the pin slot 301 may be not less than the thickness of the position-limiting member 40, so that the position-limiting member 40 can rotate in the pin slot 301. In this embodiment, the limiting grooves 42 and the limiting protrusions 41 may be four, the limiting grooves 42 may be uniformly distributed at intervals, and the limiting protrusions 41 may be disposed corresponding to the limiting grooves 42. The sidewall of the accommodating cavity 11 may be provided with a groove corresponding to the limiting protrusion 41, and the limiting protrusion 41 of the limiting member 40 may extend into the groove, so as to limit the rotation of the limiting member 40 in the accommodating cavity 11.

As an optional implementation manner of this embodiment, please refer to fig. 4 and fig. 5 together, a side wall of the accommodating cavity 11 is provided with a limiting step 13, a front end surface of the limiting member 40 is connected to the limiting step 13, and a rear end surface of the limiting member 40 is connected to the cylinder 20. Thus, the limiting step 13 and the lock cylinder 20 are matched to limit the axial movement of the limiting member 40 in the accommodating cavity 11, and the reliability of the limiting member 40 is improved.

As an optional embodiment of the present embodiment, please refer to fig. 1 and fig. 7 together, a front end of the cylinder 20 extends into the accommodating cavity 11, and a positioning column 22 for positioning and matching with the key 60 may be disposed at the front end of the cylinder 20, and a toggle portion 23 is connected to a rear end of the cylinder 20 and extends out of the accommodating cavity 11. In a specific application, the key 60 corresponding to the lock cylinder may be provided with a positioning groove (not shown in the figure) matched with the positioning column 22, so as to facilitate blind insertion of the key 60 and improve the practicability of the lock.

As an optional implementation manner of this embodiment, please refer to fig. 1 and fig. 4 together, the lock core further includes a limit clamp spring 50, the limit clamp spring 50 is connected to the lock cylinder shell 10 and is close to the rear end of the lock cylinder 20, and the limit clamp spring 50 can limit the lock cylinder 20 to move along the axial direction. Specifically, referring to fig. 2 and 5, in the present embodiment, a necking structure 12 may be disposed at the front end of the cylinder housing, and in the locked state, the front end of the pin groove 301 may abut against the necking structure 12, so as to prevent the pin assembly 3 from being separated from the accommodating cavity 11 and the cylinder groove 21.

The embodiment of the utility model provides a tool to lock is still provided, including tool to lock body and foretell lock core. In specific application, according to a specific scene of the lock application, the same lock can correspond to a plurality of keys 60 with different keys, so that the partition hierarchical management of the lock and related equipment is realized.

The embodiment of the utility model provides a lock core and have tool to lock of this lock core sets up the unblock and the shutting that spring unit 3 and locating part 40 cooperation realized lock courage 20 through the axial, makes the atress of tool to lock in the use more balanced, improves the reliability of lock core and tool to lock. The structure of lock core is simple relatively, and assembly process is convenient, need not to use riveting process, can effectively reduce manufacturing cost, can utilize bullet subassembly 3 to realize the subregion hierarchical management of tool to lock simultaneously, improves the security of tool to lock.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. A lock core is characterized by comprising a lock core shell with an accommodating cavity, a lock core and a pin assembly, wherein the lock core and the pin assembly are accommodated in the accommodating cavity; the lock core further comprises a limiting piece which is arranged in the accommodating cavity and used for being matched with the pin assembly to lock the lock core, the pin assembly is provided with a pin groove, and the pin assembly is used for being matched with a key and moving axially along the accommodating cavity to enable the pin groove to be aligned with the limiting piece to unlock the lock core.

2. The lock cylinder of claim 1, wherein the cylinder is provided with a cylinder groove for receiving the ball assembly, the ball assembly includes a spring disposed in the cylinder groove and a ball connected to the spring, and the ball is provided with at least one of the ball grooves in an axial direction.

3. The lock core of claim 2, wherein said pin is cylindrical, and said pin has a circular, rectangular, oval or racetrack cross-section; and/or the height of the bullet groove is not less than the thickness of the limiting piece.

4. The lock core according to claim 2, wherein the cylinder core is cylindrical, and the plurality of cylinder core grooves are arranged and distributed at intervals along the circumferential direction of the cylinder core.

5. The lock cylinder of claim 1, wherein said pin assemblies are provided in one, two or more sets, and when more than two sets are provided, the number and/or positions of said pin slots of at least two of said pin assemblies are different.

6. The lock core according to any one of claims 1 to 5, wherein the retainer is annular and is sleeved on the lock core, a limiting protrusion for limiting rotation of the retainer is provided on an outer edge of the retainer, and a limiting groove for allowing the pin assembly to extend into is provided on an inner edge of the retainer.

7. The lock core according to any one of claims 1 to 5, wherein the side wall of the receiving cavity is provided with a limiting step, the front end surface of the limiting member is connected to the limiting step, and the rear end surface of the limiting member is connected to the lock core.

8. The lock core according to any one of claims 1 to 5, wherein the front end of the lock core extends into the accommodating cavity and is provided with a positioning column for positioning and matching with a key, and the rear end of the lock core is connected with a shifting part and extends out of the accommodating cavity.

9. The lock core according to any one of claims 1 to 5, further comprising a limit clamp spring for limiting axial movement of the cylinder, the limit clamp spring being connected to the cylinder shell and near a rear end of the cylinder.

10. A lock comprising a lock body and a lock cylinder as claimed in any one of claims 1 to 9.

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