A lock with replaceable mortise

Abstract

The invention relates to a lock with replaceable ferrules, comprising a lock body, wherein the lock body is mainly composed of a bottom shell and a surface shell covering the bottom shell, a square tongue and a transmission mechanism for driving the square tongue to extend out of the lock body or retract into the lock body are arranged in the lock body, a first ferrule seat assembly or a second ferrule seat assembly is detachably connected to the lock body, the first ferrule seat assembly or the second ferrule seat assembly is provided with a rack that can slide relative to the lock body under the drive of pulling and dragging, and the transmission mechanism is provided with a gear part meshing with the rack; not only can the interchange between the real ferrule and the fake ferrule be achieved by replacing different ferrule seat assemblies, but also the user can save the maintenance and replacement costs without replacing the entire lock; in addition, the overall lock is universal, and only small mold equipment is needed to produce different ferrule seat assemblies, which greatly saves the cost investment of mold equipment.

Description

[Technical field]

[0002] The invention relates to the technical field of locks, in particular to a lock with a replaceable insert. [Background technology]

[0004] The lock body in the prior art is mainly composed of a bottom shell and a surface shell covering the bottom shell. A ferrule seat assembly is arranged in the lock body. Since the real ferrule and the fake ferrule are two types of locks, different mold equipment is required to produce different lock bodies and ferrule seat assemblies. The investment cost of the production equipment is high, and the equipment occupies a large space. When the lock needs to be replaced, the entire lock body often needs to be disassembled and replaced, resulting in high maintenance costs for users. [Summary of the invention]

[0006] In order to solve the above problems, the present invention provides a lock suitable for interchange between a real insert and a fake insert.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A lock with replaceable mortise core, comprising a lock body, wherein the lock body is mainly composed of a bottom shell and a surface shell covering the bottom shell, wherein a square tongue and a transmission mechanism for driving the square tongue to extend out of or retract into the lock body are arranged in the lock body, wherein a first mortise core seat assembly or a second mortise core seat assembly is detachably connected to the lock body, wherein the first mortise core seat assembly or the second mortise core seat assembly is provided with a rack which can slide relative to the lock body under the drive of pulling and dragging, and wherein the transmission mechanism is provided with a gear member meshing with the rack.

[0009] As a preferred embodiment, it is further defined as: a first lock hole for a lock core to pass through is arranged on the first ferrule seat assembly, the pull is arranged on the lock core, and a key hole and a lock core assembly are arranged in the lock core.

[0010] As a preferred embodiment, it is further defined as: the pull is provided in the second ferrule seat assembly, and a keyhole is provided on the pull.

[0011] As a preferred embodiment, it is further defined as: the first ferrule seat assembly includes a lower cover and an upper cover covering the lower cover, and a pulling space for the pulling device to rotate is provided between the lower cover and the upper cover; a slide groove is provided in the first ferrule seat assembly, the rack is provided with a sliding block portion matching the slide groove, one end of the rack is provided with a first gear portion exposed on the outside of the first ferrule seat assembly, and the other end of the rack is provided with a notch for the pulling device to move.

[0012] As a preferred embodiment, it is further defined as: the second core socket assembly includes a lower cover and an upper cover covering the lower cover, and a pulling space for the puller to rotate is provided between the lower cover and the upper cover; a slide groove is provided in the second core socket assembly, the rack is provided with a sliding block portion matching the slide groove, one end of the rack is provided with a first gear portion exposed on the outside of the second core socket assembly, and the other end of the rack is provided with a notch for the puller to move.

[0013] As a preferred embodiment, it is further defined as: the pulling and dragging member is composed of a first pulling and dragging member and a second pulling and dragging member symmetrically arranged therewith, the first pulling and dragging member is provided with a first protrusion formed on one side thereof protruding outwardly toward the second pulling and dragging member, the second pulling and dragging member is provided with a second protrusion symmetrically arranged therewith on one side thereof protruding outwardly toward the first pulling and dragging member, the other end of the rack is provided with a linkage portion protruding outwardly, the notch is provided on the linkage portion, one side of the first protrusion is provided with a first toggle portion capable of being inserted into the notch to toggle the rack, the second protrusion is provided with a second toggle portion corresponding to the first toggle portion; after assembly, a linkage space for the linkage portion to extend into is formed between the first pulling and dragging member and the second pulling and dragging member.

[0014] As a preferred embodiment, it is further defined as: the gear part is hinged in the lock body, one end of the gear part is provided with a second gear part meshing with the first gear part, and the other end of the gear part is provided with a guide column; the transmission mechanism also includes a connecting block, one end of the connecting block is fixedly connected to the square tongue, and the other end is provided with a guide hole for inserting the guide column; when the pull drives the rack to slide along the slide groove, the rack drives the gear part to rotate, and the gear part drives the square tongue to extend out of the lock body or retract into the lock body through the connecting block.

[0015] As a preferred implementation, it is further defined as: the hole area of ​​the guide hole is larger than the cross-sectional area of ​​the guide column.

[0016] As a preferred embodiment, it is further defined as: a threaded column is arranged in the bottom shell, an internal thread is arranged in the threaded column, the first core socket assembly and the second core socket assembly are both provided with a first through hole matching the threaded column, and the face shell is provided with a second through hole corresponding to the threaded column, and during assembly, the threaded column of the bottom shell passes through the first through hole and is fixedly connected to the face shell by screws.

[0017] The beneficial effects of the present invention are:

[0018] 1. The invention adopts a detachable connection with a first ferrule seat assembly or a second ferrule seat assembly. The first ferrule seat assembly is suitable for real ferrules, and the second ferrule seat assembly is suitable for fake ferrules. The two types of ferrules can be quickly replaced, and the versatility is strong. When replacement is needed, only the ferrule seat assembly needs to be disassembled, which greatly reduces the cost of repairing and changing locks.

[0019] 2. Since the lock body created by the present invention is suitable for assembling two different ferrule socket assemblies, during production, the lock body only needs to be produced by one device, and different ferrule socket assemblies can be produced by corresponding equipment, which can greatly reduce the investment cost of the equipment; in addition, during production, the lock body can be produced in advance, and later on, only different ferrule socket assemblies need to be produced according to order requirements for assembly, which effectively improves production efficiency.

Brief Description of the Drawings

[0021] Figure 1 It is a structural schematic diagram of the interchangeability between the first ferrule socket assembly and the second ferrule socket assembly;

[0022] Figure 2 It is a structural schematic diagram of a lock body using a first ferrule seat assembly;

[0023] Figure 3 1. It is a schematic diagram of the structure decomposition of the lock body using the first ferrule seat assembly;

[0024] Figure 4 It is a partial structural schematic diagram of a lock body adopting a first ferrule seat assembly;

[0025] Figure 5 is a schematic diagram of the structural decomposition of the first ferrule seat assembly;

[0026] Figure 6 It is a structural schematic diagram of a lock body using a second ferrule seat assembly;

[0027] Figure 7 It is a schematic diagram of the structure decomposition of the lock body using the second ferrule seat assembly;

[0028] Figure 8 is a schematic diagram of the structural decomposition of the second ferrule seat assembly;

[0029] Fig. 9 It is a schematic diagram of the structure of the gear parts. [Specific implementation method]

[0031] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0032] As attached Figure 1As shown, a lock with replaceable ferrules includes a lock body 1, wherein the lock body 1 is mainly composed of a bottom shell 101 and a front shell 102 covering the bottom shell 101, and the methods of fixing the bottom shell 101 and the front shell 102 include but are not limited to threaded connection, snap-on connection, etc. A square tongue 2 and a transmission mechanism 3 that drives the square tongue 2 to extend out of the lock body 1 or retract into the lock body 1 are arranged in the lock body 1, and a first ferrule seat assembly 4 or a second ferrule seat assembly 5 is detachably connected in the lock body 1, the first ferrule seat assembly is suitable for real ferrules, and the second ferrule seat assembly is suitable for fake ferrules; a rack 7 that can slide relative to the lock body 1 under the drive of a puller 6 is arranged in the first ferrule seat assembly 4 or the second ferrule seat assembly 5, and the transmission mechanism 3 is provided with a gear member 31 meshing with the rack 7. The rack 7 is driven to slide by the puller 6, and the rack 7 drives the gear member 31 to rotate, so that the transmission mechanism 3 drives the square tongue to move.

[0033] As attached Figure 2 To Attachment Figure 5 As shown, the first ferrule seat assembly 4 is provided with a first lock hole 400 for the lock core 8 to pass through, the lock core 8 is provided with the puller 6, and the lock core 8 is provided with a keyhole and a lock core assembly. The lock core 8 is a lock core used in the prior art. The fixing method of the lock core 8 and the first ferrule seat assembly 4 is also a common technical means in this field, which is not specifically described in this embodiment. More specifically, the first ferrule seat assembly 4 includes a lower cover 11 and an upper cover 12 covering the lower cover 11, and a puller space 13 for the puller 6 to rotate is provided between the lower cover 11 and the upper cover 12; a slide groove 14 is provided in the first ferrule seat assembly 4, and the rack 7 is provided with a slider portion 71 matching the slide groove 14, and the rack 7 is limited by the cooperation of the slide groove 14 and the sliding portion 71. One end of the rack 7 is provided with a first gear portion 72 exposed outside the first ferrule seat assembly 4, and the other end of the rack 7 is provided with a notch 73 for the lever 6 to move. The design is ingenious and the structure is simple.

[0034] As attached Figure 6 To Attachment Figure 8 As shown, the puller 6 is provided in the second ferrule seat assembly 5, and the puller 6 is provided with a keyhole 9. More specifically, the second ferrule seat assembly 5 includes a lower cover 11 and an upper cover 12 covering the lower cover 11, and a puller space 13 for the puller 6 to rotate is provided between the lower cover 11 and the upper cover 12; a slide groove 14 is provided in the second ferrule seat assembly 5, and the rack 7 is provided with a slider portion 71 matching the slide groove 14, and one end of the rack 7 is provided with a first gear portion 72 exposed outside the second ferrule seat assembly 5, and the other end of the rack 7 is provided with a notch 73 for the puller 6 to move, which is ingenious in design and simple in structure.

[0035] In this embodiment, the puller 6 is composed of a first puller member 61 and a second puller member 62 symmetrically arranged therewith. During assembly, the first puller member 61 and the second puller member 62 are clamped in the puller space 13 by the fixed connection between the lower cover 11 and the upper cover 12. In order to further limit the rotational position of the first puller member 61 and the second puller member 62, a limiting recess or the like can be respectively arranged between the lower cover 11 and the upper cover 12. The first pull member 61 is formed with a first protruding portion 63 protruding outwardly on one side of the second pull member 62, and the second pull member 62 is formed with a second protruding portion 64 symmetrically arranged with the first protruding portion 63 protruding outwardly on one side of the first pull member 61. The other end of the rack 7 is provided with a linkage portion 74 protruding outwardly, and the notch 73 is provided on the linkage portion 74. A first toggle portion 65 capable of being inserted into the notch 73 to toggle the rack 7 is provided on one side of the first protruding portion 63, and a second toggle portion 66 is provided on the second protruding portion 64 corresponding to the first toggle portion 65. After assembly, a linkage space for the linkage portion 74 to be extended is formed between the first pull member 61 and the second pull member 62. When the key drives the pull member 6 to rotate, the first toggle portion 65 and the second toggle portion 66 are inserted into the notch 73 of the rack 7 in the linkage space to toggle the rack 7.

[0036] In order to further explain the working principle of the transmission mechanism 3 driving the tongue 2 to move, the gear member 31 is hinged in the lock body 1, as shown in the attached Fig. 9 As shown, one end of the gear member 31 is provided with a second gear portion 311 meshing with the first gear portion 72, and the other end of the gear member 31 is provided with a guide column 32; the transmission mechanism 3 also includes a connecting block 33, one end of the connecting block 33 is fixedly connected to the square tongue 2, and the other end is provided with a guide hole 330 for inserting the guide column 32; when the puller 6 drives the rack 7 to slide along the slide groove 14, the rack 7 drives the gear member 31 to rotate, and the gear member 31 rotates along its hinge axis so that the guide column 32 drives the connecting block 33 to move, so that the connecting block 33 drives the square tongue 2 to extend out of the lock body 1 or retract into the lock body 1, the design is ingenious and the structure is simple.

[0037] Since the guide hole 330 swings along the hinge axis of the gear part 31, the hole area of ​​the guide hole 330 needs to be larger than the cross-sectional area of ​​the guide column 32, so that the guide hole 330 has enough space to make an arc movement while driving the connecting block 33 to move along the movement direction of the square tongue.

[0038] In order to further illustrate the assembly method of the first ferrule socket assembly 4 or the second ferrule socket assembly 5, two implementation methods are provided in this embodiment. The first implementation method is: the side end of the lock body 1 is provided with an opening 103 for the first ferrule socket assembly 4 or the second ferrule socket assembly 5 to be inserted into the lock body 1. During assembly or replacement, the first ferrule socket assembly 4 or the second ferrule socket assembly 5 is inserted into the lock body 1 through the opening 103 and then fixedly connected by screws. A positioning mechanism for limiting the first ferrule socket assembly 4 or the second ferrule socket assembly 5 can be provided in the lock body 1, and the structure is simple.

[0039] The second implementation is: a threaded column is provided in the bottom shell 101, and an internal thread is provided in the threaded column. The first core socket assembly 4 and the second core socket assembly 5 are both provided with a first through hole matching the threaded column, and the surface shell 102 is provided with a second through hole corresponding to the threaded column. During assembly, the bottom shell 101 and the surface shell 102 need to be disassembled first, and then the first core socket assembly 4 or the second core socket assembly 5 is placed in the bottom shell 101, even if the threaded column of the bottom shell 101 passes through the first through hole, and then the surface shell 102 is covered and the first core socket assembly 4 or the second core socket assembly 5 is clamped between the bottom shell 101 and the surface shell 102 by screwing the screws through the second through hole and then threading them together with the threaded column. The assembly is simple.

Claims

1. A lock with a replaceable mortise, comprising a lock body (1), wherein the lock body (1) is mainly composed of a bottom shell (101) and a top shell (102) covering the bottom shell (101), wherein a square tongue (2) and a transmission mechanism (3) for driving the square tongue (2) to extend out of the lock body (1) or to retract into the lock body (1) are arranged in the lock body (1), characterized in that The lock body (1) is detachably connected to a first plug socket assembly (4) or a second plug socket assembly (5), the first plug socket assembly (4) or the second plug socket assembly (5) is provided with a rack (7) which can slide relative to the lock body (1) under the drive of a puller (6), and the transmission mechanism (3) is provided with a gear member (31) meshing with the rack (7); The first ferrule seat assembly (4) is provided with a first lock hole (400) for the lock core (8) to pass through, the lock core (8) is provided with the pull (6), and the lock core (8) is provided with a keyhole and a lock core assembly; the first ferrule seat assembly (4) comprises a lower cover (11) and an upper cover (12) covering the lower cover (11), and a pull space (13) for the pull (6) to rotate is provided between the lower cover (11) and the upper cover (12); a slide groove (14) is provided in the first ferrule seat assembly (4), the rack (7) is provided with a slider portion (71) matching the slide groove (14), one end of the rack (7) is provided with a first gear portion (72) exposed outside the first ferrule seat assembly (4), and the other end of the rack (7) is provided with a notch (73) for the pull (6) to pull; The puller (6) is arranged inside the second ferrule seat assembly (5), and the puller (6) is provided with a keyhole (9); the second ferrule seat assembly (5) comprises a lower cover (11) and an upper cover (12) covering the lower cover (11), and a puller space (13) for the puller (6) to rotate is arranged between the lower cover (11) and the upper cover (12); a slide groove (14) is arranged inside the second ferrule seat assembly (5), the rack (7) is provided with a slider portion (71) matching the slide groove (14), one end of the rack (7) is provided with a first gear portion (72) exposed outside the second ferrule seat assembly (5), and the other end of the rack (7) is provided with a notch (73) for the puller (6) to move.

2. The lock with replaceable mortise according to claim 1, characterized in that The puller (6) comprises a first puller member (61) and a second puller member (62) symmetrically arranged therewith, wherein a first protruding portion (63) is formed on one side of the first puller member (61) facing the second puller member (62), and a second protruding portion (64) is formed on one side of the second puller member (62) facing the first puller member (61) and symmetrically arranged therewith, and a linkage portion (74) protruding outward is provided at the other end of the rack (7), and the notch (73) is provided on the linkage portion (74), and a first toggle portion (65) capable of being inserted into the notch (73) to toggle the rack (7) is provided on one side of the first protruding portion (63), and a second toggle portion (66) is provided on the second protruding portion (64) corresponding to the first toggle portion (65); after assembly, a linkage space for the linkage portion (74) to extend into is formed between the first puller member (61) and the second puller member (62).

3. The lock with replaceable mortise core according to claim 2, characterized in that The gear member (31) is hinged in the lock body (1); one end of the gear member (31) is provided with a second gear portion (311) meshing with the first gear portion (72); the other end of the gear member (31) is provided with a guide column (32); the transmission mechanism (3) further comprises a connecting block (33); one end of the connecting block (33) is fixedly connected to the square tongue (2); the other end of the connecting block (33) is provided with a guide hole (330) for inserting the guide column (32); when the puller (6) drives the rack (7) to slide along the slide groove (14), the rack (7) drives the gear member (31) to rotate, and the gear member (31) drives the square tongue (2) to extend out of the lock body (1) or retract into the lock body (1) through the connecting block (33).

4. The lock with replaceable mortise core according to claim 3, characterized in that The hole area of ​​the guide hole (330) is larger than the cross-sectional area of ​​the guide column (32).

5. The lock with replaceable mortise core according to claim 1, characterized in that The bottom shell (101) is provided with a threaded column, the threaded column is provided with an internal thread, the first ferrule seat assembly (4) and the second ferrule seat assembly (5) are both provided with a first through hole matching the threaded column, and the front shell (102) is provided with a second through hole corresponding to the threaded column. During assembly, the threaded column of the bottom shell (101) passes through the first through hole and is fixedly connected to the front shell (102) by means of screws.

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