CN114046100A - Lock core structure and lockset - Google Patents

Abstract

The application provides a tool to lock, including the lock core structure, the lock core structure is including preceding lock shell, back lock shell and lock core axle subassembly, and preceding lock shell is connected with the back lock shell and is constituteed a lock core shell, and under the spacing of preceding lock shell and back lock shell, lock core axle subassembly is injectd at the lock core shell. Compared with the prior art, the lock core shell is formed by connecting the front lock shell and the rear lock shell, and the lock core shaft assembly is limited on the lock core shell only by the front lock shell and the rear lock shell, so that the lock core shell has the advantages of fewer parts, simpler structure and fewer sizes.

Description

Lock core structure and lockset

Technical Field

The invention relates to the technical field of door locks, in particular to a lock cylinder structure and a lockset.

Background

The existing intelligent lock is superior to the traditional lock in safety performance and appearance aesthetic feeling, so that the intelligent lock is popular with consumers, and the intelligent lock is widely applied to house gates and room doors. However, the existing intelligent lock needs higher anti-theft performance, so the structure is mostly complex, the number of parts is large, the probability of damage and failure is also large, and in addition, the existing intelligent lock is also large in size due to the fact that the number of parts is large and the structure is complex, and the attractiveness of the door is affected.

Therefore, an intelligent lock solution with simple structure and small size needs to be provided.

Disclosure of Invention

The invention provides a lock cylinder structure and a lockset, which are simple in structure and small in size.

The technical scheme adopted by the invention is as follows:

the utility model provides a lock core structure, includes preceding lock shell, back lock shell and lock core axle subassembly, and preceding lock shell is connected with the back lock shell and is constituteed a lock core shell, and under the spacing of preceding lock shell and back lock shell, lock core axle subassembly is injectd in the lock core shell.

In an embodiment, the lock cylinder shell includes an assembly through hole defined by the front lock shell and the rear lock shell, both ports of the assembly through hole are provided with limiting parts extending inwards along the radial direction of the assembly through hole, the lock cylinder shaft assembly includes a limiting structure located at the assembly through hole and abutted to the inner sides of the two limiting parts, the two limiting parts are used for limiting the limiting structure to move axially along the assembly through hole, and the lock cylinder shaft assembly is limited at the lock cylinder shell under the limitation of the two limiting parts and the assembly through hole.

In one embodiment, the stopper has a ring shape extending in a circumferential direction of the through-hole port.

In one embodiment, the assembly through hole is formed by joining a first through hole formed in the front lock case and a second through hole formed in the rear lock case.

In one embodiment, the lock core shaft assembly comprises a square shaft, a lock core motor mechanism and a thumb wheel, wherein one end of the square shaft is arranged in one end of the assembling through hole, and one end of the thumb wheel is arranged in the other end of the assembling through hole; the lock cylinder motor mechanism is positioned in the assembly through hole and comprises a fixed end connected to the end part of the square shaft and a telescopic clutch end connected with the shifting wheel, when the clutch end extends forwards and is connected with the shifting wheel, the square shaft, the lock cylinder motor mechanism and the shifting wheel can synchronously rotate, and when the clutch end retracts backwards and is separated from the shifting wheel, the square shaft and the lock cylinder motor mechanism can synchronously rotate.

In one embodiment, the lock cylinder shell comprises an assembly through hole defined by a front lock shell and a rear lock shell, and two ports of the assembly through hole are respectively provided with a limiting piece extending inwards along the radial direction of the assembly through hole; the lock shaft assembly further comprises a limiting structure which is located in the assembly through hole and abuts against the inner sides of the two limiting parts, the limiting structure comprises a first limiting bulge located on the circumferential side wall of the end portion of the square shaft and a second limiting bulge located on the circumferential side wall of the shifting wheel, and the first limiting bulge and the second limiting bulge abut against the inner sides of the two limiting parts respectively.

In one embodiment, the dial wheel comprises a dial body and an idle shaft, one end of the dial body is positioned in the assembling through hole, the other end of the dial body is positioned outside the assembling through hole, the idle shaft is positioned in the assembling through hole and fixedly connected with the dial body, and the clutch end of the lock cylinder motor mechanism is connected with the idle shaft, so that synchronous rotation of the square shaft, the lock cylinder motor mechanism and the dial wheel is realized.

In an embodiment, one side of the rear lock shell facing the front lock shell is provided with a protruding part, the front lock shell is provided with an accommodating hole used for accommodating the protruding part, the front lock shell is further provided with an installation hole communicated with the accommodating hole, an included angle between the axis of the installation hole and the axis of the accommodating hole is formed, an attaching member is arranged in the installation hole, one end of the attaching member is located in the accommodating hole and matched with a positioning groove formed in the protruding part, and therefore the part of the protruding part is limited in the accommodating hole.

In one embodiment, the rear lock case is provided with a threaded hole, one end of the protruding piece is in threaded connection with the threaded hole, the inner wall of the mounting hole is provided with threads, and the locking member is in threaded connection with the mounting hole.

A lockset comprises the lock cylinder structure.

The invention has the beneficial effects that:

the preceding lock shell of this application is connected with the back lock shell and is constituteed the lock core shell, only inject the lock core axle subassembly in the lock core shell by preceding lock shell and back lock shell, compares with prior art, and the spare part of this application is less, therefore the structure is comparatively simple, and the size is less.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings, there is shown in the drawings,

fig. 1 is an overall structural schematic view of a lock cylinder structure of an embodiment of the present invention;

fig. 2 is a schematic sectional structure view of a lock cylinder structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a combination structure of the lock cylinder structure according to the embodiment of the present invention;

FIG. 4 is a schematic view of the assembly of the front lock housing and the spindle motor shaft assembly according to the embodiment of the present invention;

fig. 5 is a schematic structural view of an idle shaft according to an embodiment of the present invention.

Reference is made to the accompanying drawings in which: 10. a lock cylinder housing; 11. a front lock case; 111. a first through hole; 112. an accommodation hole; 12. a rear lock shell; 121. a second through hole; 21. a square shaft; 211. a first limit protrusion; 22. a thumb wheel; 221. an idle shaft; 2211. a second limit bulge; 2212. a mating hole; 222. a dial body; 23. a lock cylinder motor mechanism; 231. a motor; 2311. a connecting plate; 232. a housing; 233. a pusher member; 234. a top pillar; 235. a cover plate; 30. a locking member; 40. a boss member; 41. and (6) positioning a groove.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The embodiment provides a lockset, and the lockset can be applied to doors in various application fields, such as household doors, safe doors, capital construction facilities doors, large-scale motor homes and the like.

In the prior art, the lock cylinder generally needs to be limited on the lock cylinder housing by various components, for example, a common mode of matching a snap ring and a snap groove, which may result in an excessively complex structure of the lock cylinder and the lock cylinder housing, easy damage, and a large overall size of the lock. In order to solve the above technical problem, the present embodiment provides the following solutions:

referring to fig. 1, the lock of the present embodiment at least includes a lock cylinder structure, which includes a front lock case 11, a rear lock case 12 and a lock cylinder shaft assembly. Wherein, preceding lock shell 11 and back lock shell 12 are connected and are constituteed a lock core shell 10, and under the spacing of preceding lock shell 11 and back lock shell 12, the lock core axle subassembly is injectd in lock core shell 10, and in practical application, lock core shell 10 is fixed inside the door, and lock core shell 10 provides an installation carrier for the lock core axle subassembly, and the lock core axle subassembly cooperates with other parts of tool to lock in order to reach the purpose of unblock or locking, and wherein, the structure principle that tool to lock subassembly and other parts of tool to lock cooperate is prior art, does not describe herein the cooperation structure and the principle of tool to lock subassembly and other parts of tool to lock.

The preceding lock shell 11 and the back lock shell 12 of this embodiment are connected and are constituteed lock core shell 10, are limited the lock core axle subassembly in lock core shell 10 by preceding lock shell 11 and back lock shell 12 only, compare with prior art, and the spare part of this application is less, therefore the structure is comparatively simple, and the size is less, and the probability that the spare part damage became invalid also greatly reduced appears, still is favorable to reducing manufacturing cost in addition.

In this embodiment, the rear lock case 12 and the front lock case 11 are first coupled together by screws, which are screwed in from the rear lock case 12 in the axial direction of the fitting through-hole. Further, in order to improve the connection strength and the damage resistance of the lock cylinder housing 10, the following connection scheme is adopted in the present embodiment:

referring to fig. 2, the rear lock case 12 is provided with a protrusion 40 on a side facing the front lock case 11, and in other embodiments, the number of the protrusions 40 may be two or more. The protruding part 40 protrudes outwards from the surface of the rear lock case 12 towards the front lock case 11, preferably, the protruding part 40 is a special-shaped screw, a circumferential side wall of one end of the protruding part 40 is provided with a thread, a circumferential side wall of the other end of the protruding part 40 is provided with a positioning groove 41, and the section of the positioning groove 41 can be in a V shape; rear lock shell 12 is equipped with the screw hole, and protruding piece 40 is equipped with screwed one end and screw hole threaded connection, during the assembly, establish protruding piece 40 screwed one end twist in the screw hole can, assembly process is simple swift, in addition, protruding piece 40 can also twist out the screw hole of rear lock shell 12 to change protruding piece 40 according to actual demand. Of course, in other embodiments, the connection between the projection 40 and the rear lock housing 12 may be a non-removable fixed connection. The front lock case 11 is provided with a receiving hole 112 for receiving one end of the protruding member 40 provided with the positioning slot 41, and the receiving hole 112 is a blind hole, and in other embodiments, the receiving hole 112 may be a through hole. The front lock shell 11 is provided with a mounting hole (not labeled in the figures) communicated with the accommodating hole 112, the axis of the mounting hole and the axis of the accommodating hole 112 form an included angle, and preferably, the axis of the mounting hole is perpendicular to the axis of the accommodating hole 112; the mounting hole is provided with a locking member 30, one end of the locking member 30 is located in the receiving hole 112 and is matched with the positioning groove 41 formed on the protruding piece 40, so as to limit the part of the protruding piece 40 in the receiving hole 112. In a feasible application scenario of the present embodiment, when assembling the lock cylinder housing 10, the protrusion 40 is first screwed into the threaded hole of the rear lock case 12, then the front lock case 11 is joined with the rear lock case 12, such that the end of the protrusion 40 having the positioning slot 41 is fitted into the receiving hole 112, and then the locking screw is screwed into the mounting hole until the inner end of the locking screw enters the receiving hole 112 and extends into the positioning slot 41, such that the inner end of the locking screw is held in the positioning slot 41, and the protrusion 40 is prevented from disengaging from the receiving hole 112, thereby preventing the rear lock case 12 from disengaging from the front lock case 11, compared with the prior art, the solution of the present embodiment greatly improves the connection strength between the front lock case 11 and the rear lock case 12, and in addition, since the locking screw and the protrusion 40 are hidden inside the lock cylinder housing 10, the structural damage and failure of the locking screw, the protrusion 40, the receiving hole 112 and the mounting hole due to the influence of external factors can be prevented, connection reliability is ensured. In addition, the locking screw and the protruding part 40 of this embodiment are hidden inside the lock cylinder shell 10 and are difficult to be found, so the difficulty of damaging the lock cylinder shell 10 is increased, the damage resistance is strong, and the anti-theft effect of the lock of this embodiment is favorably improved.

Referring to fig. 2 and 3, in the present embodiment, the front lock case 11 is provided with a first through hole 111, the rear lock case 12 is provided with a second through hole 121, and when the front lock case 11 and the rear lock case 12 are connected to form the lock cylinder housing 10, the first through hole 111 and the second through hole 121 are joined to form an assembly through hole; the two ports of the assembly through hole are respectively provided with a limiting part which extends inwards along the radial direction of the assembly through hole, the limiting parts are used for limiting the part of the lock cylinder shaft assembly in the assembly through hole, in the embodiment, the limiting parts are annular and extend along the circumferential direction of the port of the assembly through hole, in other embodiments, the configuration number of the limiting parts can be multiple, the limiting parts are arranged at intervals along the circumferential direction of the port of the assembly through hole, and of course, the limiting parts can be of other structures as long as the part of the lock cylinder shaft assembly can be limited in the assembly through hole. In order to be matched with the limiting parts, the lock cylinder shaft assembly comprises a limiting structure which is positioned in the assembling through hole and is abutted against the inner sides of the two limiting parts, and the two limiting parts are used for limiting the limiting structure to move along the axial direction of the through hole. The lock core shaft assembly is limited only by the two limiting parts and the assembling through hole, so that the lock core shaft assembly is limited in the lock core shell 10, an additional connecting component is not needed to be adopted to assist in limiting, a firm and reliable limiting effect can be obtained, compared with the prior art, the lock core shaft assembly is small in number of parts and small in size, and in addition, the structure is simple and compact, the connecting strength of the lock core shaft assembly and the lock core shell 10 can be improved, the probability of structural damage failure can be reduced, and the manufacturing cost can be reduced.

In this embodiment, the lock core shaft assembly includes a square shaft 21, a lock core motor mechanism 23 and a dial wheel 22, one end of the square shaft 21 is arranged in one end of the assembling through hole, one end of the dial wheel 22 is arranged in the other end of the assembling through hole, the lock core motor mechanism 23 is located in the assembling through hole, the lock core motor mechanism 23 includes a fixed end connected to the end of the square shaft 21 and a retractable clutch end for being connected with the dial wheel 22, and the square shaft 21, the lock core motor mechanism 23 and the dial wheel 22 can rotate relative to the assembling through hole. When the clutch end extends forwards and is connected with the thumb wheel 22, the square shaft 21, the lock cylinder motor mechanism 23 and the thumb wheel 22 can synchronously rotate, when the square shaft 21 rotates, the square shaft 21 drives the lock cylinder motor mechanism 23 to integrally rotate, the clutch end of the lock cylinder motor mechanism 23 drives the thumb wheel 22 to rotate, and the thumb wheel 22 interacts with other parts of the lock, so that the locking or unlocking effect is achieved. When the clutch end retracts backwards and is separated from the thumb wheel 22, the square shaft 21 and the lock cylinder motor mechanism 23 can rotate synchronously, when the square shaft 21 rotates, only the lock cylinder motor mechanism 23 is driven to rotate integrally, and the thumb wheel 22 does not rotate along with the lock cylinder motor mechanism, so that the aim of unlocking can not be achieved by rotating the square shaft 21. Compared with the prior art, the lock core shaft assembly of the embodiment has the advantages of compact structure and simpler structure.

Further, referring to fig. 3 and 4, the key cylinder motor mechanism 23 includes a cylindrical housing 232, two motors 231 arranged in parallel in the housing 232, two pushers 233 located in the housing 232, two posts 234 located in the housing 232, and a cover plate 235 located outside the housing. Wherein, the fixed ends of the two motors 231 are connected together through a connecting plate 2311, and the connecting plate 2311, the end of the square shaft 21 and the end of the housing 232 facing the square shaft 21 are connected together by screws, so that the square shaft 21, the connecting plate 2311 and the housing 232 can synchronously rotate; two hole positions are arranged in the shell 232, the two pushing pieces 233 are respectively assembled at the two hole positions, the pushing pieces 233 are in a prism shape, the hole positions are also in a prism shape, so that the pushing pieces 233 can only move in the hole positions along the axial direction of the hole positions and can not rotate, the rotating shafts of the motors 231 are provided with threads, the two pushing pieces 233 are sleeved on the rotating shafts of the two motors 231 one by one correspondingly and are respectively in threaded connection with the rotating shafts of the two motors 231, and when the rotating shafts of the motors 231 rotate forwards and backwards, the pushing pieces 233 are forced to move forwards or backwards along the axial direction of the hole positions; the two pillars 234 are respectively connected with the two pushing members 233 by a connecting member, for example, each pillar 234 is connected with a pushing member 233 by a spring-shaped metal sheet or a spring, and when the pushing member 233 moves, the pillar 234 is driven to move; the cover plate 235 covers one end of the casing 232 facing the rear lock casing 12, the cover plate 235 is provided with two through holes for the two top posts 234 to pass through, when the pushing member 233 moves forward along the axial direction of the hole site, the top posts 234 pass through the through holes and are clamped on the thumb wheel 22, so that the thumb wheel 22 and the lock cylinder motor mechanism 23 can rotate synchronously as a whole. The two top posts 234 form the clutch end of the cylinder motor mechanism 23.

The dial 22 includes a dial body 222 and an idle shaft 221, one end of the dial body 222 is located in the assembling through hole, the other end of the dial body 222 is located outside the assembling through hole, the idle shaft 221 is located in the assembling through hole and is fixedly connected to the dial body 222, specifically, the idle shaft 221 and the dial body 222 are fixedly connected by screws, please refer to fig. 5, one end of the idle shaft 221 facing the key cylinder motor mechanism 23 is provided with two matching holes 2212 matched with the two top posts 234, under the driving of the two motors 231, the ends of the two top pillars 234 can enter into the two matching holes 2212 respectively, or removed from the two mating holes 2212, respectively, when the ends of the two top posts 234 enter the two mating holes 2212, under the limiting action of the two top pillars 234, the idle shaft 221 and the lock cylinder motor mechanism 23 can synchronously rotate, when the ends of the two top posts 234 are removed from the two mating holes 2212, respectively, the idle shaft 221 is independent of the cylinder motor mechanism 23. The motor 231 of the embodiment is controlled by a lock control board, and the synchronous rotation of the square shaft 21, the lock cylinder motor mechanism 23 and the thumb wheel 22 is realized by controlling the forward and reverse rotation of the motor 231, or the synchronous rotation of the square shaft 21 and the lock cylinder motor mechanism 23 is realized while the thumb wheel 22 does not rotate synchronously with the lock cylinder motor mechanism 23, when the square shaft 21, the lock cylinder motor mechanism 23 and the thumb wheel 22 rotate synchronously, the unlocking state in practical use is corresponded, and when the square shaft 21 and the lock cylinder motor mechanism 23 rotate synchronously while the thumb wheel 22 does not rotate synchronously with the lock cylinder motor mechanism 23, the locking state in practical use is corresponded.

In this embodiment, please refer to fig. 2 and fig. 3, the limiting structure includes a first limiting protrusion 211 disposed on a circumferential side wall of an end of the square shaft 21 and a second limiting protrusion 2211 disposed on a circumferential side wall of the thumb wheel 22, specifically, the first limiting protrusion 211 and the second limiting protrusion 2211 are both ring-shaped, the second limiting protrusion 2211 is disposed on a circumferential side wall of the idle shaft 221, the first limiting protrusion 211 and the second limiting protrusion 2211 respectively abut against inner sides of two limiting members, the first limiting protrusion 211 and the second limiting protrusion 2211 are limited between the two limiting members, so that one end of the square shaft 21 and the idle shaft 221 are limited in the assembling through hole, and the square shaft 21 and the idle shaft 221 further limit the key cylinder motor mechanism 23 in the assembling through hole, compared with the prior art, the present embodiment does not need to use an additional connecting member to limit the square shaft 21, the key cylinder motor mechanism 23, and the thumb wheel 22 in the assembling through hole, for example, a common snap ring structure in the prior art is not required to be adopted to limit the square shaft 21, the lock cylinder motor mechanism 23 and the thumb wheel 22, so that the number of parts of the embodiment is small, the probability of structural damage and failure is reduced, the manufacturing cost is reduced, the structure is simple and compact, and the size is small.

Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the invention, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The lock cylinder structure is characterized by comprising a front lock shell, a rear lock shell and a lock cylinder shaft assembly, wherein the front lock shell and the rear lock shell are connected to form a lock cylinder shell, and the lock cylinder shaft assembly is limited in the lock cylinder shell under the limiting of the front lock shell and the rear lock shell.

2. The lock cylinder structure according to claim 1, wherein the lock cylinder housing includes an assembly through hole defined by the front lock shell and the rear lock shell, both ends of the assembly through hole are provided with limiting members extending inward along the radial direction of the assembly through hole, the lock cylinder shaft assembly includes a limiting structure located in the assembly through hole and abutting against the inner sides of the two limiting members, the two limiting members are used for limiting the axial movement of the limiting structure along the assembly through hole, and the lock cylinder shaft assembly is limited in the lock cylinder housing under the limitation of the two limiting members and the assembly through hole.

3. The lock cylinder structure according to claim 2, wherein the retainer is in the form of a ring extending circumferentially along the assembly through-hole port.

4. The lock cylinder structure according to claim 2, wherein the fitting through-hole is formed by joining a first through-hole provided in the front lock case and a second through-hole provided in the rear lock case.

5. The lock cylinder structure of claim 1, wherein the lock cylinder shaft assembly comprises a square shaft, a lock cylinder motor mechanism and a thumb wheel, one end of the square shaft is arranged in one end of the assembly through hole, and one end of the thumb wheel is arranged in the other end of the assembly through hole; the lock cylinder motor mechanism is positioned in the assembly through hole and comprises a fixed end connected to the end part of the square shaft and a telescopic clutch end used for being connected with the shifting wheel, when the clutch end extends forwards and is connected with the shifting wheel, the square shaft, the lock cylinder motor mechanism and the shifting wheel can synchronously rotate, and when the clutch end retracts backwards and is separated from the shifting wheel, the square shaft and the lock cylinder motor mechanism can synchronously rotate.

6. The lock cylinder structure according to claim 5, wherein the lock cylinder housing includes an assembly through hole defined by the front lock case and the rear lock case, both ends of the assembly through hole being provided with stoppers extending radially inward along the assembly through hole; the lock shaft assembly is characterized in that the lock shaft assembly is further provided with a limiting structure which is located at the inner side of the limiting part and abutted against the assembly through hole, the limiting structure comprises a first limiting bulge located on the circumferential side wall of the end part of the square shaft and a second limiting bulge located on the circumferential side wall of the thumb wheel, and the first limiting bulge and the second limiting bulge are abutted against the inner side of the limiting part respectively.

7. The lock cylinder structure according to claim 5, wherein the dial wheel includes a dial body and an idle shaft, one end of the dial body is located in the assembling through hole, the other end of the dial body is located outside the assembling through hole, the idle shaft is located in the assembling through hole and is fixedly connected to the dial body, and a disengaging end of the lock cylinder motor mechanism is coupled to the idle shaft, so that the square shaft, the lock cylinder motor mechanism and the dial wheel can rotate synchronously.

8. The lock cylinder structure according to claim 1, wherein the rear lock case is provided with a protrusion member at a side thereof facing the front lock case, the front lock case is provided with a receiving hole for receiving the protrusion member, the front lock case is further provided with a mounting hole communicating with the receiving hole, an axis of the mounting hole is arranged at an angle to an axis of the receiving hole, a locking member is provided in the mounting hole, and one end of the locking member is located in the receiving hole and engages with a positioning groove provided on the protrusion member, so as to partially define the protrusion member in the receiving hole.

9. The lock cylinder structure according to claim 1, wherein the rear lock case is provided with a screw hole, one end of the projection is screw-coupled to the screw hole, the inner wall of the mounting hole is screw-coupled, and the lock attachment member is screw-coupled to the mounting hole.

10. A lock comprising a cylinder arrangement according to any of claims 1-9.

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