Lock cylinder replaceable motor home lock

With its detachable lock cylinder design, staggered docking structure, and modular connection, it solves the problem of traditional RV locks requiring complete replacement, achieving stability and convenient replacement of the lock cylinder, making it suitable for rental and shared RVs.

CN224107091UActive Publication Date: 2026-04-10YANCHENG CITY OSKA HARDWARE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional RV locks have a highly integrated lock cylinder and lock body, which means that the whole lock needs to be replaced when the key is lost or damaged. This is costly and complicated. In addition, the existing replaceable lock cylinder design is not stable enough and is difficult to apply in rental or sharing scenarios.

Method used

The lock cylinder features a detachable design with a lock cylinder docking section on the base, including a lock cylinder seat and a positioning groove. The lock cylinder shell and the lock cylinder body are connected by an interlocking docking structure and modular design, enabling the lock cylinder to be detached and installed stably.

Benefits of technology

It improves the stability and ease of replacement of the lock cylinder, reduces maintenance costs, and is suitable for high-frequency use scenarios such as rental and shared RVs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224107091U_ABST
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Abstract

The utility model provides a house lock with a replaceable lock cylinder, which comprises a base and a detachable lock cylinder, the base is provided with a lock cylinder butt joint part, the lock cylinder butt joint part comprises a lock cylinder seat, the lock cylinder seat is provided with a through insertion port, the outer side of the bottom of the lock cylinder seat is provided with a reinforcing seat, and the bottom of the lock cylinder seat is provided with the detachable lock cylinder. A first butt joint part is fixedly connected to the inner wall of the lock cylinder seat, a positioning circular groove is formed in the middle of the base, and a second butt joint part is fixedly connected to the inner wall of the positioning circular groove. According to the house car lock with the replaceable lock cylinder, the position of the second butt joint part and the position of the first butt joint part are distributed in a 90-degree staggered mode, an up-down bidirectional locking structure is formed, and the stability of the detachable lock cylinder after the detachable lock cylinder is installed in the butt joint parts of the lock cylinder is further improved; when the lock cylinder main body is damaged or the lock cylinder needs to be upgraded after the touring car is resold, after the detachable lock cylinder is taken out, the inner lock cylinder main body can be replaced only by disassembling the second fastening screw, the operation is convenient, and the maintenance cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lockset especially relates to a lock cylinder replaceable motor home lock. BACKGROUND

[0002] The conventional motor home lock adopts an integrated lock cylinder structure, and the lock cylinder and the lock body are highly integrated, so when the key is lost, the lock cylinder is damaged or the security needs to be improved, the lockset must be replaced as a whole, resulting in high cost and complicated operation.

[0003] The existing replaceable lock cylinder design often has insufficient stability due to the single docking structure (such as relying only on horizontal buckles or vertical slots), and the lock cylinder is easily offset under vibration or external prying, affecting the transmission accuracy and anti-theft performance. In addition, the lock cylinder has low modularity, and when replaced, the peripheral components such as the shell and connecting rod need to be removed, which is a complicated process and ordinary users cannot operate independently, limiting its application in high-frequency use scenarios of motor homes (such as rental and sharing).

[0004] Therefore, it is necessary to provide a lock cylinder replaceable motor home lock to solve the above technical problems. SUMMARY

[0005] The utility model provides a lock cylinder replaceable motor home lock, which solves the problem of complicated steps when replacing the existing motor home lock, which requires the removal of a large number of peripheral components before replacement, and ordinary users cannot operate independently, limiting its application.

[0006] To solve the above technical problems, the utility model provides a lock cylinder replaceable motor home lock, which comprises a base and a detachable lock cylinder, the base is provided with a lock cylinder docking part, the lock cylinder docking part comprises a lock cylinder seat, a through plug-in interface is formed in the lock cylinder seat, a reinforcing seat is arranged on the bottom outer side of the lock cylinder seat, a first docking part is fixedly connected to the inner wall of the lock cylinder seat, a positioning circular groove is formed in the middle of the base, a second docking part is fixedly connected to the inner wall of the positioning circular groove, a lock cylinder outer cover plate is arranged on the upper part of the detachable lock cylinder, side ear mounting blocks are arranged on both sides of the upper part of the lock cylinder seat, first mounting holes are arranged on both sides of the lock cylinder outer cover plate, and first fastening screws are arranged in the first mounting holes.

[0007] Preferably, the detachable lock cylinder comprises a lock cylinder shell and a lock cylinder body, a first arc-shaped docking plate is fixedly connected to the upper part of the lock cylinder shell, a first limiting plate is arranged on the first arc-shaped docking plate, a lower positioning end is arranged on the lower part of the lock cylinder shell, a second arc-shaped docking plate is fixedly connected to the lower positioning end, a second limiting plate is arranged on the second arc-shaped docking plate, and a positioning protruding column is arranged at the middle position of the lower positioning end.

[0008] Preferably, the first docking portion comprises a first limiting seat in spiral downward arc shape, and a first arc-shaped slot is formed in the first limiting seat in equidistant distribution and corresponds to the first arc-shaped docking plate.

[0009] Preferably, the second docking portion comprises a second limiting seat in spiral downward arc shape, and a second arc-shaped slot is formed in the second limiting seat in equidistant distribution and corresponds to the second arc-shaped docking plate.

[0010] Preferably, a positioning hole is arranged in the positioning circular groove and corresponds to the position of the positioning convex column.

[0011] Preferably, a second mounting hole is formed in the outer side of the lock cylinder shell, a second fastening screw is arranged in the second mounting hole, and the lock cylinder main body is fixedly connected with the lock cylinder shell through the second fastening screw.

[0012] Compared with the related art, the lock cylinder replaceable house car lock has the following beneficial effects:

[0013] The lock cylinder replaceable house car lock comprises a lock cylinder shell, a lock cylinder main body, a first docking portion, a second docking portion, a positioning circular groove and a base. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structure schematic view of a preferred embodiment of the lock cylinder replaceable house car lock of the utility model;

[0015] Figure 2 Fig. 2 is a structure schematic view of the lock cylinder docking portion in the utility model;

[0016] Figure 3 Fig. 3 is a structure schematic view of the detachable lock cylinder in the utility model;

[0017] Figure 4 Fig. 4 is a structure schematic view of the base and the positioning circular groove in the utility model.

[0018] The figure label: 1, base, 2, lock core butt joint part, 21, lock core seat, 22, plug interface, 3, reinforcing seat, 4, first butt joint part, 41, first limiting seat, 42, first arc-shaped groove, 5, positioning circular groove, 6, positioning hole, 7, second butt joint part, 71, second limiting seat, 72, second arc-shaped groove, 8, detachable lock core, 81, lock core shell, 82, lock core main body, 83, first arc-shaped butt joint plate, 84, first limiting plate, 85, lower positioning end, 86, second arc-shaped butt joint plate, 87, second limiting plate, 88, positioning protruding column, 9, lock core outer cover plate, 10, side lug mounting block, 11, first mounting hole, 12, first fastening screw, 13, second mounting hole, 14, second fastening screw. DETAILED DESCRIPTION

[0019] The utility model will be further explained below in combination with the drawings and embodiments.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 And Figure 4 Among them, Figure 1 It is a preferred embodiment structure diagram of the utility model provides a kind of lock core replaceable house car lock;

[0021] Figure 2 It is the structure diagram of lock core butt joint part inside in the utility model;

[0022] Figure 3 It is the structure diagram of detachable lock core in the utility model;

[0023] Figure 4 It is the structure diagram of base and positioning circular groove in the utility model.

[0024] A kind of lock core replaceable house car lock, including: base 1 and detachable lock core 8, the base 1 is provided with lock core butt joint part 2, the lock core butt joint part 2 includes lock core seat 21, the plug interface 22 being opened in the lock core seat 21, the bottom outer side of the lock core seat 21 is provided with reinforcing seat 3, the inner wall of the lock core seat 21 is fixedly connected with first butt joint part 4, the middle of the base 1 is equipped with positioning circular groove 5, the inner wall of the positioning circular groove 5 is fixedly connected with second butt joint part 7, the upper portion of the detachable lock core 8 is provided with lock core outer cover plate 9, the both sides of the upper portion of the lock core seat 21 are provided with side lug mounting block 10, the both sides of the lock core outer cover plate 9 are provided with first mounting hole 11, the first mounting hole 11 is provided with first fastening screw 12.

[0025] When installing, the position of the detachable lock cylinder 8 is aligned with the lock cylinder seat 21 and then inserted to the bottom, and then rotated by 90°, at which time the detachable lock cylinder 8 is locked with the first and second docking parts 4 and 7, the first fastening screw 12 is aligned with the first mounting hole 11, and then tightened, and the installation of the detachable lock cylinder 8 is completed.

[0026] The detachable lock cylinder 8 comprises a lock cylinder shell 81 and a lock cylinder body 82, the upper part of the lock cylinder shell 81 is fixedly connected with a first arc-shaped docking plate 83, the first arc-shaped docking plate 83 is provided with a first limiting plate 84, the lower part of the lock cylinder shell 81 is provided with a lower positioning end 85, the lower positioning end 85 is fixedly connected with a second arc-shaped docking plate 86, the second arc-shaped docking plate 86 is provided with a second limiting plate 87, and the middle position of the lower positioning end 85 is provided with a positioning protruding column 88.

[0027] The first and second docking parts 4 and 7 are respectively aligned and locked with the first and second arc-shaped docking plates 83 and 86 at the upper and lower ends, thereby increasing the installation stability and positioning accuracy of the detachable lock cylinder 8.

[0028] The first docking part 4 comprises a first limiting seat 41, which is in a spiral downward arc shape, and the first limiting seat 41 is provided with first arc-shaped grooves 42 distributed at equal intervals, and the first arc-shaped grooves 42 correspond to the first arc-shaped docking plate 83.

[0029] The first docking part 4 corresponds to the first arc-shaped docking plate 83 of the lock cylinder shell 81 through the spiral downward first limiting seat 41 and the first arc-shaped grooves 42 distributed at equal intervals, and limiting is formed when the first arc-shaped docking plate 83 is rotated to abut against the first limiting seat 41.

[0030] The second docking part 7 comprises a second limiting seat 71, which is in a spiral downward arc shape, and the second limiting seat 71 is provided with second arc-shaped grooves 72 distributed at equal intervals, and the second arc-shaped grooves 72 correspond to the second arc-shaped docking plate 86.

[0031] The docking process of the second docking part 7 and the second arc-shaped docking plate 86 is the same as that of the first docking part 4, the position of the second docking part 7 is staggered at 90° with the first docking part 4, forming an up-down bidirectional locking structure, and further increasing the stability of the detachable lock cylinder 8 after being installed into the lock cylinder docking part 2.

[0032] The positioning hole 6 is arranged in the positioning circular groove 5 and corresponds to the position of the positioning protruding column 88.

[0033] The positioning hole 6 and the positioning protruding column 88 are matched to realize axial accurate positioning.

[0034] The second mounting hole 13 is provided with a second fastening screw 14, and the lock core body 82 is fixedly connected with the lock core shell 81 through the second fastening screw 14.

[0035] The second mounting hole 13 and the second fastening screw 14 on the outer side of the lock core shell 81 are designed in a modular manner, so that the lock core body 82 can be separated from the lock core shell 81.

[0036] The working principle of the lock core replaceable recreational vehicle lock provided by the utility model is as follows:

[0037] During installation, the detachable lock core 8 is inserted into the lock core seat 21 after being aligned with the lock core seat 21, and is rotated by 90 degrees.

[0038] Compared with the related art, the lock core replaceable recreational vehicle lock has the following beneficial effects:

[0039] The second connecting part 7 is staggered with the first connecting part 4 by 90 degrees, and forms an up-down bidirectional locking structure, thereby further increasing the stability of the detachable lock core 8 after being installed into the lock core connecting part 2.

[0040] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A replaceable lock cylinder for RVs, characterized in that, include: The system includes a base and a detachable lock cylinder. The base has a lock cylinder mating part, which includes a lock cylinder seat. The lock cylinder seat has a through insertion interface. A reinforcing seat is provided on the outer bottom of the lock cylinder seat. A first mating part is fixedly connected to the inner wall of the lock cylinder seat. A positioning groove is provided in the middle of the base. A second mating part is fixedly connected to the inner wall of the positioning groove. A lock cylinder outer cover plate is provided on the upper part of the detachable lock cylinder. Side ear mounting blocks are provided on both sides of the upper part of the lock cylinder seat. First mounting holes are provided on both sides of the lock cylinder outer cover plate, and first fastening screws are provided in the first mounting holes.

2. A replaceable lock cylinder RV lock according to claim 1, characterized in that, The detachable lock cylinder includes a lock cylinder shell and a lock cylinder body. A first arc-shaped mating plate is fixedly connected to the upper part of the lock cylinder shell. A first limiting plate is provided on the first arc-shaped mating plate. A lower positioning end is provided at the lower part of the lock cylinder shell. A second arc-shaped mating plate is fixedly connected to the lower positioning end. A second limiting plate is provided on the second arc-shaped mating plate. A positioning protrusion is provided at the middle position of the lower positioning end.

3. A replaceable lock cylinder RV lock according to claim 2, characterized in that, The first docking part includes a first limiting seat, which is a spiral downward arc shape. The first limiting seat has equidistant first arc-shaped grooves, which correspond to the first arc-shaped docking plate.

4. A replaceable lock cylinder RV lock according to claim 2, characterized in that, The second docking part includes a second limiting seat, which is in the shape of a spiral downward arc. The second limiting seat has equidistantly distributed second arc-shaped grooves, which correspond to the second arc-shaped docking plate.

5. A replaceable lock cylinder RV lock according to claim 2, characterized in that, The positioning groove is provided with a positioning hole, and the positioning hole corresponds to the position of the positioning protrusion.

6. A replaceable lock cylinder RV lock according to claim 2, characterized in that, A second mounting hole is provided on the outer side of the lock cylinder housing, and a second fastening screw is provided in the second mounting hole. The lock cylinder body is fixedly connected to the lock cylinder housing by the second fastening screw.