CN217681071U - Lock core and unlocking key - Google Patents

Abstract

The utility model provides a lock core and unblock key. Wherein, the lock core includes: a lock shell matched with the position to be installed; the lock cylinder is rotatably arranged in the lock shell and provided with a sliding groove, and the lock cylinder is provided with a driving part matched with the unlocking key; the lock cylinder is arranged between the lock shell and the lock liner in a penetrating mode and located in the sliding groove, the lock cylinder moves in the sliding groove when the lock liner rotates, and the lock cylinder stops the unlocking key to exit the lock cylinder after the unlocking of the unlocking key is completed. The utility model provides a problem that the structure of mechanical lock core is complicated among the prior art.

Description

Lock cylinder and unlocking key

Technical Field

The utility model relates to an electric power safety technical field particularly, relates to a lock core and unblock key.

Background

The existing blade lock cylinder product generally has the characteristics of high anti-theft level and high safety, is generally suitable for occasions with anti-theft requirements, but has a complex structure and relatively high cost. For the occasions with low anti-theft requirement, such as transformer substation, base station indoor and the like, which can be accessed only by professional personnel, the complexity of personnel operation is increased by a plurality of mechanical keys. Secondly, along with the popularization of electronic lockset, the mechanical lock cylinder is used as an emergency unlocking mode more, namely, the mechanical lock cylinder is only used under the condition of electrical failure, the unlocking is required to be reliable, the requirement on the anti-theft performance is not high, at the moment, if the anti-theft lock cylinder is used, the product cost is improved, and the relatively complex structure of the anti-theft lock cylinder is not beneficial to ensuring the unlocking reliability.

Therefore, the existing mechanical lock core is complex in structure, complex in production and assembly and high in cost, and is not suitable for occasions with low anti-theft requirements.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a lock cylinder and an unlocking key to solve the problem of the complicated structure of the mechanical lock cylinder in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a lock cylinder, including: a lock shell matched with the position to be installed; the lock cylinder is rotatably arranged in the lock shell and provided with a chute, and the lock cylinder is provided with a driving part matched with an unlocking key; the lock cylinder is arranged between the lock shell and the lock liner in a penetrating mode and located in the sliding groove, the lock cylinder moves in the sliding groove when the lock liner rotates, and the lock cylinder stops the unlocking key to exit the lock cylinder after the unlocking of the unlocking key is completed.

Further, the lock shell is provided with a mounting hole, the mounting hole is aligned with the sliding groove in the radial direction, and the lock pin penetrates through the mounting hole and extends into the sliding groove.

Further, the slide groove extends to a predetermined angle in the circumferential direction of the cylinder.

Further, the lock container is provided with a through hole, the through hole is communicated with the outer surface of the lock container, the driving portion is located in the through hole, the sliding groove is located on the side wall of the through hole, and one end of the lock pin penetrates through the sliding groove to extend into the through hole.

Furthermore, the lock shell is provided with an unlocking hole, the unlocking hole is communicated with the through hole, and the unlocking key is inserted into the through hole through the unlocking hole.

Further, the driving part is a non-circular protrusion or a groove.

Furthermore, the lock core is provided with a transmission part matched with the external unlocking and locking assembly, and the transmission part is positioned at one end, far away from the driving part, of the lock core.

According to the utility model discloses a further aspect provides an unlocking key for the foretell lock core of unblock, unlocking key have with the drive division complex unlocking portion of lock core, unlocking key still including the groove of stepping down, the lockpin cooperation of groove and lock core of stepping down, the lockpin is located the inslot of stepping down when unlocking key inserts lock core and rotates, and remove in the inslot of stepping down, when the unlocking key unblock was rotated and is accomplished, the inner wall and the lockpin backstop in groove of stepping down, withdraw from the lock core in order to hinder unlocking key.

Further, the unlocking part is located at the end of the unlocking key and is a non-circular groove or a non-circular protrusion.

Further, the groove of stepping down includes the first groove of stepping down and the second groove of stepping down that connects in order, and the first groove of stepping down extends along the axial of unblock key, and the second groove of stepping down extends along the circumference of unblock key, and the one end in the first groove of stepping down communicates with the tip surface of unblock key, and the other end in the first groove of stepping down communicates with the second groove of stepping down.

Use the technical scheme of the utility model, through being provided with lock courage and lock shell to be provided with the drive division on the lock courage, drive division and unblock key cooperation make the lock courage can be at the lock shell internal rotation under the drive of unblock key, thereby drive subsequent part and rotate, realize the holistic unblock of tool to lock. Like this, lock core overall structure is simple, the main part only need lock shell and lock courage two parts, the structure of lock core has greatly been simplified, the complexity of structure has been reduced, production packaging efficiency improves, the cost is reduced, guarantee to know the reliability of shutting simultaneously, be applicable to the urgent unblock demand of machinery, to the occasion that the theftproof nature requirement is not high, the overall dimension and the mounting means of lock shell can carry out corresponding adjustment according to the lock core of installation position or replacement moreover, thereby be convenient for replace most lock cores in the market. The lockpin is used for restricting the unlocking key, and the lockpin can not exert an influence to the rotation of unlocking key in the unlocking process, and plays the backstop effect to the unlocking key after the unlocking of unlocking key is accomplished for the lock core can't be extracted to the unlocking key this moment, like this, neither increases the structure complexity of lock core, can carry out the management and control to the lock core unblock again, prevents that the lock core from being in normally open state, guarantees the security that the lock core used.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a lock cylinder of the present invention;

FIG. 2 shows an exploded view of FIG. 1;

FIG. 3 shows a side view of the cylinder core of FIG. 2;

fig. 4 shows a schematic structural view of the unlocking key of the present invention;

FIG. 5 is a schematic view of the structure of an unlocking key inserted into the lock cylinder;

FIG. 6 showsbase:Sub>A cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic view of the unlocking mechanism after the unlocking key is inserted into the lock cylinder;

fig. 8 showsbase:Sub>A cross-sectional view alongbase:Sub>A-base:Sub>A in fig. 7.

Wherein the figures include the following reference numerals:

10. a lock case; 11. mounting holes; 12. unlocking the hole; 20. a lock cylinder; 21. a chute; 22. a drive section; 23. a via hole; 30. a lock pin; 40. an unlocking portion; 50. a yielding groove; 51. a first abdicating groove; 52. and a second abdicating groove.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that the structure of the mechanical lock core among the prior art is complicated, the utility model provides a lock core and unlocking key.

As shown in fig. 1 to 8, the lock core comprises a lock shell 10 matched with a position to be installed, a lock core 20 and a lock pin 30, wherein the lock core 20 is rotatably arranged in the lock shell 10, the lock core 20 is provided with a sliding groove 21, and the lock core 20 is provided with a driving part 22 matched with an unlocking key; the lock pin 30 penetrates between the lock shell 10 and the lock cylinder 20 and is located in the sliding groove 21, when the lock cylinder 20 rotates, the lock pin 30 moves in the sliding groove 21, and after the unlocking of the unlocking key is completed, the lock pin 30 stops the unlocking key to exit from the lock cylinder.

This embodiment is through being provided with lock courage 20 and lock shell 10 to be provided with drive division 22 on the lock courage 20, drive division 22 and the cooperation of unblock key for lock courage 20 can be at the internal rotation of lock shell 10 under the drive of unblock key, thereby drives subsequent part and rotates, realizes the holistic unblock of tool to lock. Like this, lock core overall structure is simple, the main part only need lock shell 10 and lock courage 20 two parts, the structure of lock core has greatly been simplified, the complexity of structure has been reduced, production packaging efficiency improves, the cost is reduced, guarantee to know the reliability of shutting simultaneously, be applicable to the urgent unblock demand of machinery, to the occasion that the theftproof nature requirement is not high, lock shell 10's overall dimension and mounting means can carry out corresponding adjustment according to the lock core of installation position or replacement moreover, thereby be convenient for replace most lock cores in the market. Lockpin 30 is used for restricting the unblock key, and unblock in-process lockpin 30 can not exert an influence to the rotation of unblock key, and lockpin 30 plays backstop effect to the unblock key after the unblock of unblock key is accomplished for the unblock key at this moment can't extract the lock core, like this, neither increases the structure complexity of lock core, can carry out the management and control to the lock core unblock again, prevents that the lock core from being in normally open state, guarantees the security that the lock core used.

As shown in fig. 2, in the present embodiment, the lock case 10 has a mounting hole 11, the mounting hole 11 penetrates through the inner side and the outer side of the lock case 10 along the radial direction of the lock case 10, and the mounting hole 11 is aligned with the sliding slot 21 in the radial direction and is communicated with the sliding slot 21, so that when the lock pin 30 is inserted into the mounting hole 11, the inner end of the lock pin 30 can extend into the sliding slot 21 to be matched with the sliding slot 21.

In the present embodiment, since the cylinder core 20 rotates at a certain angle, the chute 21 of the present embodiment extends to a predetermined angle in the circumferential direction of the cylinder core 20. For example, the lock core 20 of the present embodiment rotates 90 ° when unlocking, so that the sliding groove 21 extends 1/4 of the circumference of the lock core 20, that is, extends 90 °, so that the lock core 20 and the lock pin 30 are retracted due to the arrangement of the sliding groove 21 when the lock core 20 rotates, and the lock pin 30 and the lock core 20 are prevented from interfering with each other. Of course, the specific extending direction, distance, angle, etc. of the sliding slot 21 can be set according to the specific arrangement of the components such as the lock pin 30.

As shown in fig. 2 and 3, in this embodiment, the cylinder core 20 has a through hole 23, the through hole 23 is located at the center of the cylinder core 20 and extends along the axial direction of the cylinder core 20, and is blind hole-shaped, one end of the through hole 23 is communicated with the outer surface of the cylinder core 20, and the other end of the through hole 23, that is, the bottom in the depth direction, is provided with a driving portion 22, so that the unlocking key is inserted into the through hole 23 to be matched with the driving portion 22 in the through hole 23, and the effect of driving the cylinder core 20 to rotate through the driving portion 22 is achieved. Meanwhile, the sliding groove 21 is also located on the side wall of the through hole 23, and the sliding groove 21 is communicated with the through hole 23, so that one end of the lock pin 30 extends into the through hole 23 after penetrating through the sliding groove 21 and is matched with an unlocking key in the through hole 23, and the stopping effect of the unlocking key is achieved.

The lock case 10 of the present embodiment has an unlocking hole 12, and the unlocking hole 12 also penetrates through the end surface of the lock case 10 in the axial direction of the cylinder barrel 20, so that the unlocking hole 12 communicates with the through hole 23, so that an unlocking key can be inserted into the lock cylinder from the unlocking hole 12, and inserted into the through hole 23 through the unlocking hole 12 to cooperate with the lock pin 30 and the driving portion 22 in the through hole 23.

Alternatively, the driving portion 22 is a non-circular protrusion or recess. The specific shape of the driving portion 22 can be set accordingly as required, and it is only necessary that the unlocking portion 40 of the unlocking key and the driving portion 22 can be matched with each other. The driving part 22 of the present embodiment is configured as a rectangular block structure, and accordingly, the unlocking part 40 of the unlocking key is a rectangular groove, and the driving part 22 can just enter the groove, so as to realize the driving fit between the unlocking part 40 and the driving part 22.

In this embodiment, the cylinder 20 is further matched with other parts of the lock, so that a transmission portion matched with an external unlocking component is further arranged on the cylinder 20, the transmission portion is located at one end of the cylinder 20 far away from the driving portion 22, and the transmission portion can transmit the rotating force of the cylinder 20 to the unlocking component of the lock, so that the whole unlocking operation of the lock is realized. Since the transmission section functions as a transmission as in the case of the drive section 22, the transmission section may be configured in the same manner as the drive section 22, or may be different from the drive section 22, for example, a screw hole or the like.

As shown in fig. 4, the present embodiment further provides an unlocking key for unlocking the lock cylinder. Based on the structure of the lock cylinder, the unlocking key of the present embodiment has the unlocking portion 40 engaged with the driving portion 22 of the lock cylinder, and the unlocking portion 40 is located at the end of the lock cylinder where the unlocking key is inserted, as mentioned above, the shape and structure of the unlocking portion 40 may be engaged with the driving portion 22, for example, a non-circular groove or a protrusion is adopted.

The unlocking key further comprises a yielding groove 50, and the yielding groove 50 is used for being matched with the lock pin 30 of the lock cylinder, so that the effect that the unlocking key cannot be pulled out after being inserted into the lock cylinder for unlocking is achieved. Specifically, the avoiding groove 50 of the present embodiment includes a first avoiding groove 51 and a second avoiding groove 52 connected in sequence, wherein the first avoiding groove 51 extends in the axial direction of the unlocking key, the second avoiding groove 52 extends in the circumferential direction of the unlocking key, and one end of the first avoiding groove 51 communicates with the outer surface of the end portion of the unlocking key, so that the lock pin 30 can enter the first avoiding groove 51 from the position when the unlocking key is inserted into the lock cylinder, and the lock pin 30 moves in the first avoiding groove 51 along with the insertion of the unlocking key, as shown in fig. 5 and 6. The other end of the first abdicating groove 51 is communicated with the second abdicating groove 52, and the first abdicating groove 51 and the second abdicating groove 52 form an L-shaped structure, so that, as shown in fig. 7 and 8, when the unlocking key is inserted in place, the locking pin 30 is positioned at the connection of the first abdicating groove 51 and the second abdicating groove 52, that is, at the corner of the L-shaped structure, and then the unlocking key is rotated, so that the locking pin 30 enters the second abdicating groove 52 from the first abdicating groove 51 and moves in the second abdicating groove 52 until the unlocking key is rotated in place, thereby completing the unlocking. After the unlocking rotation is completed, the lock pin 30 is stopped by the side wall of the second abdicating groove 52, so that the unlocking key cannot be axially moved and pulled out, and the unlocking key cannot exit the lock cylinder and can only be left on the lock cylinder. To extract the unlocking key, the unlocking key needs to be reversed first, so that the lock pin 30 moves from the second recess 52 to the first recess 51, and then the unlocking key can be axially moved to be extracted. Like this, realize the management and control to the unblock key through above-mentioned mode, remind operating personnel in time to block the lock core, guarantee that the lock core is in normally closed state.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problem of complicated structure of the mechanical lock cylinder in the prior art is solved;

2. the structure of the lock core is greatly simplified, the complexity of the structure is reduced, the production and assembly efficiency is improved, the cost is reduced, the reliability of locking is guaranteed, and the lock core is suitable for occasions with mechanical emergency unlocking requirements and low anti-theft requirements;

3. the overall dimension and the installation mode of the lock shell can be correspondingly adjusted according to the installation position or the replaced lock cylinder, so that most lock cylinders in the market can be replaced conveniently;

4. the structure complexity of the lock cylinder is not increased, the unlocking of the lock cylinder can be controlled, the lock cylinder is prevented from being in a normally open state, and the use safety of the lock cylinder is guaranteed.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A lock cylinder, comprising:

a lock case (10) matched with the position to be installed;

the lock core (20), the lock core (20) is rotatably arranged in the lock shell (10), the lock core (20) is provided with a chute (21), and the lock core (20) is provided with a driving part (22) matched with an unlocking key;

the lock cylinder (30) is arranged between the lock shell (10) and the lock cylinder (20) in a penetrating mode and located in the sliding groove (21), the lock cylinder (30) moves in the sliding groove (21) when the lock cylinder (20) rotates, and the lock cylinder (30) stops the unlocking key from exiting the lock cylinder after the unlocking of the unlocking key is completed.

2. Lock core according to claim 1, characterized in that the lock shell (10) has a mounting hole (11), the mounting hole (11) being radially aligned with the sliding slot (21), the locking pin (30) being inserted in the mounting hole (11) and protruding into the sliding slot (21).

3. The lock cylinder according to claim 1, characterized in that the slide groove (21) extends to a predetermined angle in the circumferential direction of the cylinder core (20).

4. The lock core according to claim 1, characterized in that the cylinder core (20) has a through hole (23), the through hole (23) is communicated with the outer surface of the cylinder core (20), the driving portion (22) is located in the through hole (23), the sliding groove (21) is located at the side wall of the through hole (23), and one end of the lock pin (30) penetrates through the sliding groove (21) and extends into the through hole (23).

5. Lock cylinder according to claim 4, characterized in that the lock housing (10) has an unlocking hole (12), the unlocking hole (12) communicating with the through hole (23), the unlocking key being inserted into the through hole (23) by the unlocking hole (12).

6. Lock cylinder according to claim 1, characterized in that the drive part (22) is a non-circular protrusion or recess.

7. Lock core according to claim 1, characterized in that the cylinder core (20) has a transmission part cooperating with an external unlocking assembly, which transmission part is located at the end of the cylinder core (20) remote from the drive part (22).

8. An unlocking key, characterized in that, used for unlocking the lock core of any one of claims 1 to 7, the unlocking key has an unlocking part (40) cooperating with the driving part (22) of the lock core, the unlocking key further comprises a yielding groove (50), the yielding groove (50) cooperates with the lock pin (30) of the lock core, the lock pin (30) is located in the yielding groove (50) when the unlocking key is inserted into the lock core and rotated, and moves in the yielding groove (50), when the unlocking rotation of the unlocking key is completed, the inner wall of the yielding groove (50) is stopped with the lock pin (30) to block the unlocking key from exiting the lock core.

9. Unlocking key according to claim 8, characterized in that the unlocking part (40) is located at the end of the unlocking key and is a non-circular groove or protrusion.

10. The unlocking key according to claim 8, wherein the avoiding groove (50) comprises a first avoiding groove (51) and a second avoiding groove (52) which are connected in sequence, the first avoiding groove (51) extends along the axial direction of the unlocking key, the second avoiding groove (52) extends along the circumferential direction of the unlocking key, one end of the first avoiding groove (51) is communicated with the outer surface of the end part of the unlocking key, and the other end of the first avoiding groove (51) is communicated with the second avoiding groove (52).

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