Splicing type mechanical lock cylinder

Abstract

The utility model discloses a splicing type mechanical lock cylinder, which belongs to the technical field of lockset production, and is characterized in that the splicing type mechanical lock cylinder comprises a front lock cylinder, a dial wheel assembly and a rear lock cylinder which are sequentially arranged from front to back according to the key insertion direction, and the front lock cylinder and the rear lock cylinder are the same in structure and respectively comprise a lock cylinder shaft and a lock cylinder sleeve; the lock cylinder shaft and the lock cylinder sleeve are rotationally matched and are in transmission connection with the shifting wheel assembly, the shifting wheel assembly comprises a shifting wheel sleeve connected with the lock cylinder sleeve and a shifting block located in the middle of the shifting wheel sleeve and in transmission connection with the lock cylinder shaft, and the front side and the rear side of the shifting wheel sleeve are detachably connected with splicing assemblies. The length of the lock cylinder can be adjusted according to the actual thickness of the door plate, so that different door plate thickness specifications are met.

Description

Technical Field

[0001] The present invention belongs to the technical field of lock production, and more specifically relates to a spliced ​​mechanical lock core. Background Art

[0002] Existing locks generally include front and rear panels fixed on both sides of the door panels, with a lock core, opening mechanism and other components arranged between the front and rear panels. A lock core protective cover that only allows the key to pass through is usually provided on the panel and covers the lock core to prevent the lock core from being directly exposed to the outside and easily damaged by diamond drills, hammers and other equipment.

[0003] At present, when assembling locks, it is usually necessary to select a lock core of appropriate length according to the thickness of the door panel. However, since there is no clear standard for the thickness of door panels on the market, door lock manufacturers need to equip lock cores of different lengths to adapt to various door panel thicknesses. This not only increases production costs, but also requires maintenance personnel to carry locks of various sizes when replacing locks, which increases the burden on maintenance personnel to a certain extent. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a spliced ​​mechanical lock core, which has the advantage that the length of the lock core can be adjusted according to the actual thickness of the door panel to meet the different door panel thickness specifications.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spliced ​​mechanical lock core, comprising a front lock core, a thumbwheel assembly and a rear lock core, which are arranged in sequence from front to back according to the direction of key insertion, the front lock core and the rear lock core have the same structure, both comprising a lock core shaft and a lock core sleeve, the lock core shaft and the lock core sleeve are rotatably matched and are transmission connected to the thumbwheel assembly, the thumbwheel assembly comprises a thumbwheel sleeve connected to the lock core sleeve and a thumbwheel block located in the middle of the thumbwheel sleeve and transmission connected to the lock core shaft, and the front and rear sides of the thumbwheel sleeve are detachably connected with a spliced ​​assembly.

[0006] In a preferred embodiment: the splicing assembly includes an outer core sleeve and an inner shaft sleeve that are rotatably matched, the inner shaft sleeve is drivingly connected to the lock core shaft, the lower sides of the outer core sleeve are provided with first splicing notches, the lock core sleeve and the dial sleeve are both provided with second splicing notches connected to the first splicing notches, a splicing groove is formed between the first splicing notch and the second splicing notch, a splicing block is embedded in the splicing groove, and the splicing block is provided with a positioning bolt threadedly connected to the outer core sleeve or the dial sleeve.

[0007] In a preferred embodiment: a sunken notch is provided at one end of the splicing block, and the nut of the positioning bolt is located in the sunken notch.

[0008] In a preferred embodiment: the end of the splicing block away from the sinking notch is T-shaped.

[0009] In a preferred embodiment: the inner sleeve and the lock core shaft are connected by a key.

[0010] In a preferred embodiment: the upper portion of the outer core sleeve is rotatably connected to the lock core sleeve.

[0011] Compared with the prior art, this application has the following beneficial effects:

[0012] This solution can adjust the length of the lock core at will through the detachable splicing of the splicing component and the thumbwheel component, so that the lock core can adapt to the installation of door panels of various thicknesses. At the same time, maintenance personnel only need to carry splicing components of different specifications, which reduces the burden on maintenance personnel to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of this embodiment;

[0014] Figure 2 It is a schematic diagram of the explosion structure of this embodiment.

[0015] Explanation of the accompanying drawings: 1. front lock core; 2. dial wheel assembly; 21. dial wheel sleeve; 22. dial block; 3. rear lock core; 31. lock core shaft; 32. lock core sleeve; 321. second splicing notch; 4. splicing assembly; 41. outer core sleeve; 411. first splicing notch; 412. splicing block; 4121. sinking notch; 413. positioning bolt. DETAILED DESCRIPTION

[0016] In order to make the objectives, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure.

[0017] In the description of the present disclosure, it should be understood that the terms "upper", "lower", "left", "right", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the disclosed product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present disclosure.

[0018] A spliced ​​mechanical lock core, such as Figure 1-2As shown, it includes a front lock core 1, a thumbwheel assembly 2 and a rear lock core 3 which are arranged in sequence from front to back according to the direction of key insertion. The front lock core 1 and the rear lock core 3 have the same structure and both include a lock core shaft 31 and a lock core sleeve 32. The lock core shaft 31 and the lock core sleeve 32 are rotatably matched and are transmission-connected to the thumbwheel assembly 2. It is characterized in that: the thumbwheel assembly 2 includes a thumbwheel sleeve 21 connected to the lock core sleeve 32 and a thumbwheel block 22 located in the middle position of the thumbwheel sleeve 21 and transmission-connected to the lock core shaft 31. The front and rear sides of the thumbwheel sleeve 21 are detachably connected with a splicing assembly 4.

[0019] In one specific embodiment, Figure 1-2 As shown, the splicing assembly 4 includes an outer core sleeve 41 and an inner shaft sleeve that are rotatably matched, the inner shaft sleeve is key-connected to the lock core shaft 31, and the upper part of the outer core sleeve 41 is rotatably clamped to the lock core sleeve 32 or the thumbwheel sleeve 21. In addition, first splicing notches 411 are provided on both sides of the lower part of the outer core sleeve 41, and second splicing notches 321 that are connected to the first splicing notches 411 are provided on the lock core sleeve 32 and the thumbwheel sleeve 21. A splicing groove is formed between the first splicing notch 411 and the second splicing notch 321, and a splicing block 412 is embedded in the splicing groove, and a positioning bolt 413 that is threadedly connected to the outer core sleeve 41 or the thumbwheel sleeve 21 is provided on the splicing block 412.

[0020] On the basis of the above embodiment, a sunken notch 4121 is provided at one end of the splicing block 412, and the nut of the positioning bolt 413 is located in the sunken notch 4121, that is, after the positioning bolt 413 is completely screwed into the outer core sleeve 41 or the dial sleeve 21, the surfaces of the outer core sleeve 41, the dial sleeve 21 and the lock core sleeve 32 are still maintained at the same horizontal plane, thereby not only ensuring the overall aesthetics of the lock core, but also not affecting the subsequent installation of the lock core.

[0021] It should be noted that in this embodiment, the end of the splicing block 412 away from the sunken notch 4121 is T-shaped, that is, after the outer core sleeve 41, the dial sleeve 21 and the lock core sleeve 32 are spliced, the stability of the connection between them can be guaranteed.

[0022] The working process and beneficial effects of the utility model are as follows:

[0023] When it is necessary to increase the length of the lock core, select a splicing component 4 of appropriate size, then first complete the key connection between the inner sleeve and the lock core shaft 31, and then complete the fixation between the upper part of the outer core sleeve 41 and the lock core sleeve 32 by rotating and clamping. Finally, just put the splicing block 412 into the splicing groove and completely screw the positioning bolt 413 into the outer core sleeve 41 or the dial sleeve 21 to complete the fixation of the lower part of the outer core sleeve 41 with the lock core sleeve 32 and the dial sleeve 21, and realize the assembly of the lock core.

[0024] In summary, through the detachable splicing of the splicing assembly 4 and the dial assembly 2, the length of the lock core can be adjusted at will, so that the lock core can adapt to the installation of door panels of various thickness specifications. At the same time, maintenance personnel only need to carry splicing assemblies 4 of different specifications, which reduces the burden on maintenance personnel to a certain extent.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A spliced ​​mechanical lock core, comprising a front lock core (1), a thumbwheel assembly (2) and a rear lock core (3) arranged in sequence from front to back in the direction of key insertion, the front lock core (1) and the rear lock core (3) having the same structure, both comprising a lock core shaft (31) and a lock core sleeve (32), the lock core shaft (31) and the lock core sleeve (32) being rotatably matched and transmission-connected to the thumbwheel assembly (2), characterized in that: The thumbwheel assembly (2) comprises a thumbwheel sleeve (21) connected to a lock cylinder sleeve (32) and a thumbwheel block (22) located in the middle of the thumbwheel sleeve (21) and drivingly connected to the lock cylinder shaft (31); the front and rear sides of the thumbwheel sleeve (21) are detachably connected to a splicing assembly (4).

2. A spliced ​​mechanical lock core according to claim 1, characterized in that: The splicing assembly (4) comprises an outer core sleeve (41) and an inner shaft sleeve which are rotatably matched, the inner shaft sleeve is drivingly connected to the lock core shaft (31), the lower two sides of the outer core sleeve (41) are provided with first splicing notches (411), the lock core sleeve (32) and the dial sleeve (21) are both provided with second splicing notches (321) which are connected to the first splicing notches (411), a splicing groove is formed between the first splicing notch (411) and the second splicing notch (321), a splicing block (412) is embedded in the splicing groove, and a positioning bolt (413) which is threadedly connected to the outer core sleeve (41) or the dial sleeve (21) is provided on the splicing block (412).

3. A spliced ​​mechanical lock core according to claim 2, characterized in that: One end of the splicing block (412) is provided with a sunken notch (4121), and the nut of the positioning bolt (413) is located in the sunken notch (4121).

4. A spliced ​​mechanical lock core according to claim 3, characterized in that: The end of the splicing block (412) away from the sinking notch (4121) is T-shaped.

5. The spliced ​​mechanical lock core according to claim 2, characterized in that: The inner shaft sleeve and the lock core shaft (31) are connected by a key.

6. The spliced ​​mechanical lock core according to claim 2, characterized in that: The upper part of the outer core sleeve (41) is rotatably connected to the lock core sleeve (32).

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