CN218934073U

CN218934073U - Double mortise lock core

Info

Publication number: CN218934073U
Application number: CN202223609381.2U
Authority: CN
Inventors: 郭永康
Original assignee: Foshan City Nanhai District Meipin Hardware Electrical Appliance Co ltd
Current assignee: Foshan City Nanhai District Meipin Hardware Electrical Appliance Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-28
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a double-plug lock cylinder, which comprises a shell and a transmission assembly, wherein the shell is provided with a shifting sleeve, a first lock liner and a second lock liner which are respectively arranged at two axial ends of the shifting sleeve, the shifting sleeve is provided with an inner cavity, the first lock liner is provided with a first clutch piece, and the second lock liner is provided with a second clutch piece; the transmission assembly is arranged between the first clutch piece and the second clutch piece, the transmission assembly comprises a first elastic piece and two transmission pieces, the two transmission pieces are all installed in the inner cavity, the transmission pieces are located on the shifting sleeve along the circumferential limit of the shifting sleeve and can move along the axial direction of the shifting sleeve, the first elastic piece is arranged between the two transmission pieces, the first clutch piece can be combined with one transmission piece to enable the first lock liner to drive the shifting sleeve to rotate, and the second clutch piece can be combined with the other transmission piece to enable the second lock liner to drive the shifting sleeve to rotate. The lock core of the utility model can unlock through the key or the rotating handle at the other side even if the key at one side is forgotten to be pulled out, so that the lock liner at the other side is not corresponding to the poking sleeve, thereby facilitating escape in emergency and improving the safety.

Description

Double mortise lock core

Technical Field

The utility model relates to the technical field of locks, in particular to a double-plug lock cylinder.

Background

The lock is mainly used for objects such as doors, windows, drawers and the like, wherein the lock core is a core component of the lock. With the development of lockset industry and the improvement of people's anti-theft consciousness, the anti-theft performance of the lock core is gradually improved. However, the unlocking performance of the lock cylinder when the lock cylinder is mishandled or maliciously handled is not neglected. For example, for children or the elderly, the situation that the user forgets to pull out the key after opening the door with the key, and then directly enters the house to close the door (the user forgets to pull out the key when opening the door) or the key hole outside the lock cylinder is maliciously inserted with foreign matters by the user easily occurs. For the situation, the combination piece of the outer lock liner of the lock cylinder is combined with the poking sleeve, the position of the poking sleeve is not corresponding to the combination piece of the inner lock liner, so that the inner lock liner idles, the lock cannot be unlocked from the inner side of the lock cylinder, and potential safety hazards exist in emergency.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the double-plug lock cylinder, even if a key on one side is forgotten to be pulled out, the lock liner on the other side is not corresponding to the poking sleeve, and the other side can be unlocked through the key or the rotating handle, so that escape is facilitated in emergency situations, and the safety is improved.

According to an embodiment of the utility model, a dual plug lock cylinder comprises: the lock shell is provided with a poking sleeve, a first lock liner and a second lock liner, the first lock liner and the second lock liner are respectively arranged at two axial ends of the poking sleeve, the poking sleeve is provided with an inner cavity, the first lock liner is provided with a first clutch piece, and the second lock liner is provided with a second clutch piece; the transmission assembly is arranged between the first clutch piece and the second clutch piece, the transmission assembly comprises a first elastic piece and two transmission pieces, the two transmission pieces are all installed in the inner cavity, the transmission pieces are located on the shifting sleeve along the circumferential direction of the shifting sleeve and can move along the axial direction of the shifting sleeve, the first elastic piece is arranged between the two transmission pieces, the first clutch piece can be combined with one transmission piece to enable the first lock liner to drive the shifting sleeve to rotate, and the second clutch piece can be combined with the other transmission piece to enable the second lock liner to drive the shifting sleeve to rotate.

The technical scheme at least has the following beneficial effects: through setting up drive assembly, drive assembly includes first elastic component and two driving pieces, and wherein, two driving pieces circumference limit is located the inner chamber of dialling the cover, and first elastic component then locates between two driving pieces, and first separation and reunion piece of first lock courage can combine with one of them driving piece in order to drive and dial the cover and rotate, and the second separation and reunion piece of second lock courage can combine with another driving piece in order to drive and dial the cover rotation. Therefore, when a key or a foreign matter is inserted into the first lock container at the outer side of the lock core, the first clutch piece is combined with one of the transmission pieces, and at the moment, the key can be inserted into the second lock container at the inner side of the lock core or a rotating handle connected with the second lock container is rotated, so that the second clutch piece of the second lock container is pressed against the other transmission piece towards the outer side and drives the second lock container to rotate until the second clutch piece of the second lock container is combined with the corresponding transmission piece, the lock can be unlocked, escape can be carried out in emergency, and the safety is improved.

According to some embodiments of the utility model, two opposite sides of the transmission member are respectively provided with a positioning groove, and two ends of the first elastic member are respectively accommodated in the two positioning grooves.

According to some embodiments of the utility model, the inner wall of the inner cavity is provided with a guide groove, the guide groove is arranged along the axial direction of the poking sleeve, the transmission piece is provided with a protrusion, the protrusion protrudes along the radial direction of the poking sleeve, and the protrusion is accommodated in the guide groove and can move along the guide groove.

According to some embodiments of the utility model, the inner wall of the inner cavity is provided with a limiting part, the limiting part is arranged along the circumferential direction of the inner cavity, and one of the transmission pieces can be abutted against the limiting part.

According to some embodiments of the utility model, the transmission member is provided with a hollow portion and a clamping groove, the clamping groove is communicated with the hollow portion and is located at one side of the hollow portion, the first clutch member and the second clutch member are both provided with clamping blocks, the first clutch member or the second clutch member can be arranged in the hollow portion in a penetrating manner, and the clamping blocks are matched with the clamping groove in a clamping manner.

According to some embodiments of the utility model, the opposite sides of the two transmission members are each provided with a guide portion, which guide portions are arranged along the circumferential edge of the hollow portion.

According to some embodiments of the utility model, the first clutch member is provided with a first pushing portion, the first pushing portion is located at one side of the first clutch member, which is away from the transmission member, the first lock liner is provided with a first through hole arranged along an axial direction, and the first pushing portion is arranged through the first through hole and can be abutted against the unlocking member of the first lock liner.

According to some embodiments of the utility model, a second elastic member is disposed between the first clutch member and the first lock container, and the second elastic member is configured to drive the first clutch member to move toward the transmission member.

According to some embodiments of the utility model, the second clutch member includes a body portion, a second pushing portion and a third elastic member, the body portion includes a mounting cavity and an end plate, the end plate is provided with a second through hole communicated with the mounting cavity, the second pushing portion is provided in the mounting cavity and penetrates through the second through hole, and the third elastic member is provided in the mounting cavity and is located between the end plate and the second pushing portion.

According to some embodiments of the utility model, the third elastic member is provided with a conical spring, a large end of which abuts against the end plate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of a lock cylinder according to a first embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the lock cylinder of FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic view of the dial sleeve of FIG. 1;

FIG. 5 is a schematic view of the transmission member of FIG. 3 from a first perspective;

FIG. 6 is a schematic diagram illustrating a second view of the driving member shown in FIG. 3;

FIG. 7 is a schematic view of the body portion of the second clutch member of FIG. 3;

FIG. 8 is an exploded view of the second clutch member of FIG. 3;

FIG. 9 is a schematic view of the first clutch member of FIG. 3;

fig. 10 is a schematic structural view of a lock cylinder according to a second embodiment of the present utility model.

Reference numerals:

a lock case 100; a dial sleeve 110; an inner cavity 111; a guide groove 112; a limit part 113;

a first lock cylinder 200; a first clutch 210; a first pushing portion 211; a first through hole 220; a second elastic member 230; a stem 240;

a second lock cylinder 300; a second clutch 310; a body portion 311; a mounting cavity 312; an end plate 313; a second through hole 314; a second pushing portion 315; a third elastic member 316; a latch 320;

a transmission assembly 400; a first elastic member 410; a transmission member 420; a positioning groove 421; a protrusion 422; a hollow portion 423; a card slot 424; guide 425.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-10, an embodiment of the present utility model provides a dual plug including a housing 100 and a drive assembly 400.

Referring to fig. 1 and 2, it will be appreciated that the lock housing 100 is provided with an inner bore therethrough, and the middle of the inner bore is a void. The first lock courage 200 and the second lock courage 300 are installed respectively at the axis both ends of hole, and first lock courage 200 is located the inboard of lock core, and second lock courage 300 is located the outside of lock core. Generally, the first lock cylinder 200 and the second lock cylinder 300 are provided with key holes, namely, double-opening lock cylinders; or the second lock cylinder 300 is provided with a key hole, the first lock cylinder 200 is connected with a rotating handle 240, and the rotating handle 240 can drive the second lock cylinder 300 to rotate, namely, the single-open lock cylinder. A dial sleeve 110 is rotatably installed in the hollow part, and the dial sleeve 110 is used for unlocking the lock body. The dial sleeve 110 is provided with an inner cavity 111, and both the first lock cylinder 200 and the second lock cylinder 300 partially extend into the inner cavity 111.

Referring to fig. 1, 2, 3 and 10, it can be appreciated that the end of the first lock cylinder 200 facing the second lock cylinder 300 is provided with a first clutch member 210, and the insertion of a key or the rotation of the rotation handle 240 can drive the first clutch member 210 to move along the axial direction of the first lock cylinder 200 within a certain range. Similarly, the second clutch member 310 is disposed at an end of the second lock cylinder 300 facing the first lock cylinder 200, and the second clutch member 310 can be driven to move along the axial direction of the second lock cylinder 300 within a certain range by inserting a key.

Referring to fig. 2 and 3, it is to be appreciated that the transmission assembly 400 is mounted within the interior cavity 111 of the dial sleeve 110 and is located between the first clutch member 210 and the second clutch member 310. Specifically, the transmission assembly 400 includes two transmission members 420 and a first elastic member 410, where the two transmission members 420 are circumferentially limited in the dial sleeve 110, for example, the transmission members 420 are engaged with the dial sleeve 110 along the circumferential direction. At the same time, the two transmission members 420 are movable in the axial direction of the dial sleeve 110. The first elastic member 410 is configured as a spring or an elastic sleeve, the first elastic member 410 is disposed between the two transmission members 420, and the directions of the acting forces of the first elastic member 410 on the two transmission members 420 are opposite. The transmission member 420 located at the inner side can be combined with the first clutch member 210, so that the first lock container 200 can drive the dial sleeve 110 to rotate. The transmission member 420 located at the outside can be coupled with the second clutch member 310. So that the second lock cylinder 300 can rotate the dial sleeve 110.

When the second lock container 300 is inserted into the key, the key pushes the second clutch member 310 to the inner side, so that the second clutch member 310 is combined with the transmission member 420 located at the outer side, and the second lock container 300 rotates along with the key, so that the dial sleeve 110 can be driven to rotate by the second clutch member 310 and the transmission member 420, thereby unlocking.

If the user forgets to pull out the key at this time and closes the door, for the double-open lock cylinder, the user in the door can insert the first lock liner 200 by the key, the key pushes the first clutch outwards, when the first clutch does not correspond to the position of the transmission piece 420 positioned at the inner side, the first clutch pushes the transmission piece 420 outwards, the first elastic piece 410 is compressed, the first lock liner 200 and the first clutch rotate along with the key until the first clutch corresponds to the position of the transmission piece 420, and the transmission piece 420 is reset and combined with the first clutch under the action of the elastic force of the first elastic piece 410; when the first clutch corresponds to the position of the transmission member 420 located on the inner side, the first clutch is combined with the transmission member 420, so that the shifting sleeve 110 can be driven to rotate in the door by the key to realize unlocking.

For a single-open lock cylinder, a user in the door can push the first clutch to move outwards by rotating the rotating handle 240 and drive the first lock liner 200 to move until the first clutch is combined with the transmission piece 420 positioned on the inner side, so that the shifting sleeve 110 can be driven to rotate to unlock.

Similarly, if the second lock container 300 is inserted with a foreign object, the second clutch member 310 is combined with the transmission member 420 located at the outer side, and the first clutch member 210 can be driven to be combined with the transmission member 420 located at the inner side by the key or the rotating handle 240 at the inner side, so as to realize unlocking, which is not repeated herein.

Therefore, when forgetting to pull out the outside key or the outside lock container is blocked by the foreign matter, the first clutch and the transmission member 420 positioned at the inner side can be driven to be combined by the key or the rotating handle 240 from the door, so as to drive the shifting sleeve 110 to rotate, realize unlocking, further escape in emergency, and improve the safety.

Referring to fig. 3 and 6, it can be understood that the opposite sides of the two transmission members 420 are respectively provided with a positioning groove 421, the first elastic member 410 is provided as a spring, and two ends of the first elastic member 410 are respectively received in the two positioning grooves 421, so that the first elastic member 410 is positioned, the installation is convenient, the failure problem caused by the displacement of the first elastic member 410 can be avoided, and the reliability is improved.

Referring to fig. 4 and 5, it may be understood that the inner wall of the inner cavity 111 is provided with a guide groove 112, the cross section of the guide groove 112 is in a fan shape, the guide groove 112 is disposed along the axial direction of the dial sleeve 110, the outer peripheral walls of the two driving members 420 are provided with protrusions 422, the protrusions 422 are arranged in a protruding manner along the radial direction of the dial sleeve 110, the cross section of the protrusions 422 is also in a fan shape, the protrusions 422 are matched with the guide groove 112, the protrusions 422 are conveniently embedded into the guide groove 112, thereby limiting the driving members 420 along the circumferential direction of the dial sleeve 110 to the dial sleeve 110, the protrusions 422 can move along the guide groove 112, and then the driving members 420 can move in the inner cavity 111 along the axial direction of the dial sleeve 110.

Of course, it is understood that the locations of the guide slot 112 and the boss 422 on the inner wall of the cavity 111 and the driver 420 may be interchanged.

Referring to fig. 3 and 4, it may be understood that the inner wall of the inner cavity 111 is provided with a limiting portion 113, and the limiting portion 113 is arranged along the circumferential direction of the inner cavity 111, that is, the limiting portion 113 has an annular structure, such as a convex ring, and the transmission member 420 located on the inner side abuts against the limiting portion 113, so as to limit one end of the transmission assembly 400, thereby facilitating installation.

Referring to fig. 5, it can be understood that the transmission member 420 is provided with a hollow portion 423 at a central position thereof, the transmission member 420 is further provided with a clamping groove 424, the clamping groove 424 is located at a circumferential side of the hollow portion 423 and communicates with the hollow portion 423, the circumferential walls of the first clutch member 210 and the second clutch member 310 are each provided with a clamping block 320, and the clamping blocks 320 are engaged with the clamping grooves 424. When the key or the rotating handle 240 pushes the first clutch member 210 to move axially, or the key pushes the second clutch member 310 to move axially, the first clutch member 210 or the second clutch member 310 can pass through the hollow portion 423 of the corresponding transmission member 420 and the clamping block 320 is clamped into the clamping groove 424, so that the first clutch member 210 or the second clutch member 310 can be combined with the corresponding transmission member 420 to drive the shifting sleeve 110 to rotate, thereby realizing unlocking.

Referring to fig. 5, it may be understood that the opposite sides of the two driving members 420 are respectively provided with a guide portion 425, the guide portions 425 are disposed along the circumferential edge of the hollow portion 423, and the guide portions 425 may be inclined surfaces or cambered surfaces, so as to guide the first clutch member 210 and the second clutch member 310, so that the first clutch member 210 or the second clutch member 310 is inserted into the hollow portion 423 to facilitate unlocking.

Referring to fig. 3 and 9, it may be understood that the first clutch member 210 is provided with a first pushing portion 211, the first pushing portion 211 is located at one end of the first clutch member 210, which is away from the transmission member 420, the first pushing portion 211 is provided with a cylindrical structure, the first lock liner 200 is provided with a first through hole 220 arranged along an axial direction, the first pushing portion 211 penetrates through the first through hole 220 and can abut against an unlocking member of the first lock liner 200, namely, a key or a rotating handle 240, of the unlocking member of the first lock liner 200, so that the key or the rotating handle 240 can push the first clutch to penetrate through the hollow portion 423 of the corresponding transmission member 420 through the first pushing portion 211, and the first clutch is combined with the corresponding transmission member 420 to realize unlocking.

Referring to fig. 3, it may be understood that a second elastic member 230 is disposed between the first clutch member 210 and the first lock container 200, and the second elastic member 230 is configured as a spring, and under the action of the second elastic member 230, the first clutch member 210 can be driven to move toward the transmission member 420, so as to assist the first clutch member 210 to be combined with the corresponding transmission member 420, thereby facilitating unlocking.

Referring to fig. 3, 7 and 8, it can be understood that the second clutch member 310 includes a body portion 311, a second pushing portion 315 and a third elastic member 316, the body portion 311 includes a mounting cavity 312 and an end plate 313, the end plate 313 is provided with a second through hole 314 communicated with the mounting cavity 312, the second pushing portion 315 is disposed in the mounting cavity 312 and penetrates through the second through hole 314, in general, two ends of the second pushing portion 315 are provided with convex rings, the convex rings cannot pass through the second through hole 314, the third elastic member 316 is provided as a spring, the third elastic member 316 is sleeved on the second pushing portion 315 and is mounted in the mounting cavity 312, and two ends of the third elastic member 316 are respectively abutted against the convex rings of the end plate 313 and the second pushing portion 315. Therefore, when the key pushes the second clutch inward during the unlocking, the key pushes the second pushing portion 315, the second pushing portion 315 moves inward first to push the first clutch to separate from the transmission member 420, the second elastic member 230 and the third elastic member 316 are both in a compressed state, and the body 311 is driven to pass through the hollow portion 423 of the corresponding transmission member 420 under the elastic force of the third elastic member 316 and combine with the transmission member 420 to unlock from the outside. And because the second pushing part 315 pushes the first clutch open, the first clutch cannot be combined with the transmission member 420, and the unlocking from the outside cannot be influenced.

It will be appreciated that the third resilient member 316 is provided as a conical spring, the large end of which abuts the end plate 313. When the conical spring is compressed, the large end is compressed first. Therefore, when the key pushes the second pushing portion 315, the second pushing portion 315 moves inward to push the first clutch to separate from the transmission member 420, and as the conical spring is further compressed, the small end of the conical spring is compressed, and under the action of the conical spring, the body portion 311 can be driven to be disposed in the hollow portion 423 of the corresponding transmission member 420 and combined with the transmission member 420, so as to unlock from the outside.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A dual plug lock cylinder, comprising:

the lock shell is provided with a poking sleeve, a first lock liner and a second lock liner, the first lock liner and the second lock liner are respectively arranged at two axial ends of the poking sleeve, the poking sleeve is provided with an inner cavity, the first lock liner is provided with a first clutch piece, and the second lock liner is provided with a second clutch piece;

the transmission assembly is arranged between the first clutch piece and the second clutch piece, the transmission assembly comprises a first elastic piece and two transmission pieces, the two transmission pieces are all installed in the inner cavity, the transmission pieces are located on the shifting sleeve along the circumferential direction of the shifting sleeve and can move along the axial direction of the shifting sleeve, the first elastic piece is arranged between the two transmission pieces, the first clutch piece can be combined with one transmission piece to enable the first lock liner to drive the shifting sleeve to rotate, and the second clutch piece can be combined with the other transmission piece to enable the second lock liner to drive the shifting sleeve to rotate.

2. A dual plug according to claim 1, wherein: the opposite side surfaces of the two transmission parts are respectively provided with a positioning groove, and the two ends of the first elastic part are respectively accommodated in the two positioning grooves.

3. A dual plug according to claim 1, wherein: the inner wall of the inner cavity is provided with a guide groove, the guide groove is arranged along the axial direction of the shifting sleeve, the transmission piece is provided with a protrusion, the protrusion protrudes radially along the shifting sleeve, and the protrusion is accommodated in the guide groove and can move along the guide groove.

4. A dual plug according to claim 3, wherein: the inner wall of the inner cavity is provided with a limiting part, the limiting part is arranged along the circumferential direction of the inner cavity, and one of the transmission parts can be abutted to the limiting part.

5. A dual plug according to claim 1, wherein: the transmission piece is equipped with well hollow part and draw-in groove, the draw-in groove with well hollow part intercommunication is located one side of well hollow part, first separation and reunion piece with the second separation and reunion piece all is equipped with the fixture block, first separation and reunion piece or the second separation and reunion piece can wear to locate well hollow part, just the fixture block with draw-in groove joint cooperation.

6. A dual plug according to claim 5, wherein: the back sides of the two transmission parts are respectively provided with a guide part, and the guide parts are arranged along the circumferential edges of the hollow parts.

7. A dual plug according to claim 1, wherein: the first clutch piece is provided with a first pushing part, the first pushing part is positioned on one side of the first clutch piece, which is away from the transmission piece, the first lock liner is provided with a first through hole which is axially arranged, and the first pushing part penetrates through the first through hole and can be abutted against the unlocking piece of the first lock liner.

8. A dual plug according to claim 7, wherein: and a second elastic piece is arranged between the first clutch piece and the first lock liner and is used for driving the first clutch piece to move towards the transmission piece.

9. A dual plug according to claim 1, wherein: the second clutch piece comprises a body part, a second pushing part and a third elastic piece, the body part comprises an installation cavity and an end plate, the end plate is provided with a second through hole communicated with the installation cavity, the second pushing part is arranged in the installation cavity and penetrates through the second through hole, and the third elastic piece is arranged in the installation cavity and located between the end plate and the second pushing part.

10. A dual plug according to claim 9, wherein: the third elastic piece is provided with a conical spring, and the big end of the conical spring is abutted to the end plate.