Bicycle frame self-locking mechanism
By introducing a flexible lubrication sleeve and a rotary sleeve design into a bicycle lock, the problem of lock rod rust is solved, smooth operation of the lock rod is achieved, and foreign matter is prevented from entering, thereby improving the use effect and lifespan.
Patent Information
- Application Number
- CN202422984584.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The bottom section of the lock rod of the existing plier-type bicycle lock is easily corroded after long-term outdoor use, resulting in dry movement and affecting the use effect and lifespan.
A flexible lubrication sleeve is set between the lock rod and the lock housing, and the lubricating oil is evenly applied to the bottom section of the lock rod. Combined with the design of the rotary sleeve and the oil pipe, the lubricating oil can be automatically applied and collected to prevent dripping.
The lock rod can be smoothly retracted and extended, which prolongs the service life of the lock rod and prevents foreign matter from entering the lock housing to cause blockage, making it more convenient and reliable to use.
Smart Images

Figure CN223446816U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of bicycle lock, concretely relates to a bicycle frame self-locking mechanism. BACKGROUND
[0002] It is known that the pincer type bicycle lock is used for limiting the frame and the wheel of the bicycle to prevent the bicycle from being stolen by the lawless thief when being idle, and brings the economic loss to the user of the bicycle, the existing pincer type bicycle lock mainly includes the lock shell, the lock rod, the lock head and the like, the lock shell is fixedly installed on the frame, the lock rod is movably installed in the lock shell, the lock head is fixedly installed on one side of the lock shell, when locking, the bottom of the lock rod is turned out and clamped in the other end of the lock shell and locked, when unlocking, the key is inserted into the lock head and is turned to release the locking state of the lock rod, and the lock rod is retracted in the lock shell to realize the locking and unlocking operation, which is the prior known technology.
[0003] However, in the use process of the existing pincer type bicycle lock, the bottom section of the lock rod as the main locking component is exposed outside after locking, and after long outdoor use, the surface of the bottom section is rusted, the movement of the lock rod becomes dry, the use of the lock rod is affected, the use effect and the service life of the pincer type bicycle lock are greatly reduced, and the use is poor, therefore, we make new design based on the structure of the lock shell and the lock rod of the existing pincer type bicycle lock. CONTENT OF THE UTILITY MODEL
[0004] In order to solve the above problems in the prior art, the utility model provides a bicycle frame self-locking mechanism, when locking and unlocking, the bottom section of the lock rod can be in contact with the flexible lubricating sleeve coated with lubricating oil during the sliding process of the lock rod relative to the lock shell, the uniform oiling and lubricating treatment of the outer surface of the bottom section of the lock rod can be realized, so that the lock rod can be smoothly retracted and used.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a bicycle frame self-locking mechanism, including lock shell, lock rod and lock head, the inside of the lock shell is movably connected with the lock rod, the right side of the lock shell is fixedly connected with the lock head, the bottom left end of the lock shell is rotatably connected with the rotating sleeve around the outside, the right end of the rotating sleeve is fixedly connected with the flexible lubricating sleeve inside, and the lock rod is slidably connected with the flexible lubricating sleeve, the right end of the rotating sleeve is fixedly connected with the mouth sleeve, the bottom end of the mouth sleeve is provided with the oil inlet in the middle position, the bottom end of the mouth sleeve is fixedly connected with the oil receiving pipe in the middle position, and the bottom end of the oil receiving pipe is rotatably connected with the rotating cap around the outside.
[0006] The outer circumference of the right end of the bottom of the lock shell is fixedly connected with an end sleeve, the middle position of the bottom of the left end of the end sleeve is fixedly connected with a fixed shaft, the bottom of the left end of the end sleeve is provided with an end cover, the upper end of the end cover is internally provided with an opening, and the opening is rotationally connected with the fixed shaft, and the left end of the fixed shaft is fixedly connected with an end knob and the end knob is located on the left side of the end cover.
[0007] As a preferred technical scheme of the bicycle frame self-locking mechanism of the utility model, the outer circumference of the rotating sleeve is fixedly connected with a twisting sleeve.
[0008] As a preferred technical scheme of the bicycle frame self-locking mechanism of the utility model, the flexible lubricating sleeve is a sponge member.
[0009] As a preferred technical scheme of the bicycle frame self-locking mechanism of the utility model, the left end of the rotating sleeve is fixedly connected with a blocking strip.
[0010] As a preferred technical scheme of the bicycle frame self-locking mechanism of the utility model, the left end of the end cover is fixedly connected with a rotating shaft.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、the utility model discloses the export end of the lock rod of the bottom of the lock shell is externally provided with a rotating sleeve, and the rotating sleeve is internally provided with a flexible lubricating sleeve, and the side of the rotating sleeve is provided with a mouth sleeve, and the bottom of the mouth sleeve is provided with an oil receiving pipe with a rotating cover, in the unlocking state, the rotating sleeve and the mouth sleeve can be screwed down, then appropriate lubricating oil can be evenly applied to the flexible lubricating sleeve, and then the rotating sleeve and the mouth sleeve are screwed on again, in the subsequent unlocking and locking operation, the bottom section of the lock rod can be in contact with the flexible lubricating sleeve coated with lubricating oil during the sliding process of the lock rod relative to the lock shell, so that the even oiling and lubricating treatment of the outer surface of the bottom section of the lock rod can be realized, the smooth retraction and extension of the lock rod is facilitated, and the excess lubricating oil on the flexible lubricating sleeve can be collected through the oil receiving pipe, so that the lubricating oil can not drip on the vehicle, and the rotating cover can be unscrewed for cleaning in the future, which is simple and convenient and better to use.
[0013] 2、the utility model discloses that the insertion end of the lock rod of the bottom of the lock shell is externally provided with an end sleeve and an end cover, and the end cover can rotate relative to the end sleeve, in the unlocking state, the insertion end of the lock rod of the bottom of the lock shell can be capped through the end cover on the end sleeve, so that foreign matters outside can be prevented from entering the inside and causing internal blockage and damage, affecting the insertion use, and in the locking state, the end cover can be turned to one side, so that the lock rod can be normally inserted into the insertion end of the lock rod of the bottom of the lock shell, which is simple and convenient and better to use. DRAWINGS
[0014] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:
[0015] Figure 1 Structure schematic view of the utility model;
[0016] Figure 2 Structure schematic view of the utility model's spin sleeve connecting structure;
[0017] Figure 3 Structure schematic view of the utility model's end sleeve connecting structure;
[0018] Figure 4 Structure schematic view of the utility model's end cover and fixed shaft connecting local section structure.
[0019] In the drawing: 1, lock shell; 2, lock rod; 3, lock head; 4, spin sleeve; 5, twist sleeve; 6, flexible lubricating sleeve; 7, mouth sleeve; 8, oil inlet; 9, oil pipe; 10, spin cover; 11, end sleeve; 12, fixed shaft; 13, end cover; 14, hole; 15, end knob; 16, rotating shaft; 17, blocking strip. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model. EMBODIMENT
[0021] Please refer to Figure 1-4The utility model provides following technical scheme: A bicycle frame self -locking mechanism, including lock shell 1, lock rod 2 and lock head 3, the inside movable joint of lock shell 1 has lock rod 2, the right side fixed connection of lock shell 1 has lock head 3, the bottom left end outside four quarters of lock shell 1 is screw joint and has the rotation sleeve 4, the outside four quarters fixed connection of rotation sleeve 4 has the torsion sleeve 5, the right end inside fixed connection of rotation sleeve 4 has the flexible lubricating sleeve 6, and flexible lubricating sleeve 6 is sponge member, and lock rod 2 and flexible lubricating sleeve 6 slidingly connect, the right end fixed connection of rotation sleeve 4 has the mouth sleeve 7, and the bottom end middle position of mouth sleeve 7 is equipped with the oil inlet 8, and the bottom end middle position fixed connection of mouth sleeve 7 has the oil pipe 9, and the bottom end outside four quarters screw joint of oil pipe 9 has the screw cap 10, the left end bottom fixed connection of rotation sleeve 4 has the fender 17, wherein, lock shell 1, lock rod 2 and lock head 3 are all prior art structure, the specific connection of this part and its use are not specifically stated one by one, the rotation sleeve 4 is twisted by the torsion sleeve 5, so as to carry out the dismounting operation of rotation sleeve 4, flexible lubricating sleeve 6 is annular structure, can absorb a certain amount of lubricating oil, the bottom section outer surface of lock rod 2 can be contacted with the inner surface of flexible lubricating sleeve 6 in the activity process, and the lubricating oil on flexible lubricating sleeve 6 can be automatically and evenly applied to the bottom section outer surface of lock rod 2, and the oil inlet 8 and oil pipe 9 and screw cap 10 are used for the reception of excess lubricating oil on flexible lubricating sleeve 6, and the screw cap 10 can be rotatable and detachable, so as to carry out the subsequent cleaning of lubricating oil in oil pipe 9 and screw cap 10, and further blocking can be prevented by the fender 17, and the oil directly flows out in the bottom of mouth sleeve 7.
[0022] Referring to Figure 1 、 Figure 3 and Figure 4 , further, the bottom right end outside four quarters fixed connection of lock shell 1 has end sleeve 11, the left end bottom middle position fixed connection of end sleeve 11 has fixed shaft 12, and the left end bottom of end sleeve 11 is provided with end cover 13, the upper end inside of end cover 13 is equipped with hole 14, and hole 14 is rotationally connected with fixed shaft 12, and end knob 15 is fixedly connected with the left end of fixed shaft 12 and located at the left side of end cover 13, and the left end fixed connection of end cover 13 has rotating shaft 16, wherein, through the rotation of hole 14 and fixed shaft 12, end cover 13 can rotate 360 degrees relative to end sleeve 11, so as to realize the rotation of end cover 13, and the left end of fixed shaft 12 and the left side of end cover 13 are limited by end knob 15, so as to prevent end cover 13 from falling off fixed shaft 12, and rotating shaft 16 is convenient for the hand rotating operation of end cover 13.
[0023] In the embodiment, the utility model discloses the outside of the outlet end of the lock rod 2 at the bottom of the lock shell 1 is equipped with a rotating sleeve 4, and the rotating sleeve 4 is equipped with a flexible lubricating sleeve 6, and the one side of the rotating sleeve 4 is equipped with a mouth sleeve 7, and the bottom of the mouth sleeve 7 is equipped with an oil receiving pipe 9 with a rotating cover 10, in the unlocking state, the rotating sleeve 4 and the mouth sleeve 7 can be taken down by being screwed, then the appropriate lubricating oil can be evenly coated on the flexible lubricating sleeve 6, and then the rotating sleeve 4 and the mouth sleeve 7 are screwed and installed, in the subsequent unlocking and locking operation, the bottom section of the lock rod 2 can be contacted with the flexible lubricating sleeve 6 coated with lubricating oil in the sliding process of the lock rod 2 relative to the lock shell 1, the uniform oiling lubrication treatment to the outer surface of the bottom section of the lock rod 2 can be realized, so that the lock rod 2 is smoothly used, and the excess lubricating oil on the flexible lubricating sleeve 6 can be received through the oil receiving pipe 9, which can prevent the lubricating oil from dripping on the vehicle, and the rotating cover 10 can be unscrewed to clean the oil in the oil receiving pipe 9 and the rotating cover 10, which is simple and convenient and better in use.
[0024] The utility model discloses the outside of the insertion end of the lock rod 2 at the bottom of the lock shell 1 is further equipped with an end sleeve 11 and an end cover 13, and the end cover 13 can be rotated relative to the end sleeve 11, in the unlocking state, the insertion end of the lock rod 2 at the bottom of the lock shell 1 can be capped through the end cover 13 on the end sleeve 11, which can prevent foreign matters from entering the inside and causing internal blockage and damage, and can affect the insertion use, and in the locking state, the end cover 13 can be turned to one side, so that the insertion end of the lock rod 2 at the bottom of the lock shell 1 can be normally inserted, which is simple and convenient and better in use.
[0025] The use process and working principle of the utility model are as follows: in use, in the unlocking state, the rotating sleeve 4 and the mouth sleeve 7 can be taken down by being screwed as a whole from the outside of the outlet end of the lock rod 2 at the bottom of the lock shell 1 through the twist sleeve 5, then the appropriate lubricating oil can be evenly coated on the flexible lubricating sleeve 6, and then the rotating sleeve 4 and the mouth sleeve 7 are screwed and installed as a whole, in the unlocking and locking operation, the bottom section of the lock rod 2 can be contacted with the flexible lubricating sleeve 6 coated with lubricating oil in the sliding process of the lock rod 2 relative to the lock shell 1, the uniform oiling lubrication treatment to the outer surface of the bottom section of the lock rod 2 can be realized, so that the lock rod 2 is smoothly used, and in the use process, the excess lubricating oil on the flexible lubricating sleeve 6 can enter the oil receiving pipe 9 through the oil inlet 8, which can prevent the lubricating oil from dripping on the vehicle, and the oil dripping on the bottom of the mouth sleeve 7 can be further blocked through the blocking strip 17, and the oil in the oil receiving pipe 9 and the rotating cover 10 can be cleaned by unscrewing the rotating cover 10;
[0026] At the same time, in the locking, the end cover 13 can be turned to the one side of the end sleeve 11 through the rotating cooperation of the opening 14 and the fixed shaft 12, so that the lock rod 2 can be normally inserted and used, and after unlocking, the end cover 13 can be turned to the left end of the end sleeve 11, and the insertion end opening of the lock rod 2 at the bottom of the lock shell 1 can be capped and protected, which can prevent foreign matters from entering the insertion end of the lock rod 2 at the bottom of the lock shell 1 and causing internal blockage and damage, and can affect the insertion use.
[0027] In addition, the contents not described in detail in the embodiments are in the category of prior art and common knowledge.
[0028] Finally, it should be noted that: the above is only the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.
Claims
1. A self-locking mechanism for a bicycle frame, comprising a lock housing (1), a lock rod (2) and a lock head (3), wherein the lock housing (1) is movably connected to the lock rod (2), and the right side of the lock housing (1) is fixedly connected to the lock head (3), characterized in that: The left end of the bottom of the lock housing (1) is screwed on the outside around the periphery with a rotary sleeve (4), the right end of the rotary sleeve (4) is fixedly connected to the inside with a flexible lubricating sleeve (6), and the lock rod (2) is slidably connected to the flexible lubricating sleeve (6), the right end of the rotary sleeve (4) is fixedly connected to a mouthpiece (7), the middle position of the bottom end of the mouthpiece (7) is provided with an oil inlet (8), the middle position of the bottom end of the mouthpiece (7) is fixedly connected to an oil receiving pipe (9), and the bottom end of the oil receiving pipe (9) is screwed on the outside around the periphery with a rotary cover (10); The lock housing (1) is fixedly connected to an end sleeve (11) at the outer periphery of the right end of the bottom, and a fixed shaft (12) is fixedly connected to the middle position of the bottom left end of the end sleeve (11). An end cover (13) is provided at the bottom left end of the end sleeve (11). An opening (14) is provided inside the upper end of the end cover (13), and the opening (14) is rotatably connected to the fixed shaft (12). The left end of the fixed shaft (12) is fixedly connected to an end button (15), and the end button (15) is located on the left side of the end cover (13).
2. A bicycle frame self-locking mechanism according to claim 1, characterized in that: The outer periphery of the rotating sleeve (4) is fixedly connected with a torsion sleeve (5).
3. The bicycle frame self-locking mechanism according to claim 1, characterized in that: The flexible lubricating sleeve (6) is a sponge component.
4. The bicycle frame self-locking mechanism according to claim 1, characterized in that: A blocking bar (17) is fixedly connected to the bottom of the left end of the rotary sleeve (4).
5. The bicycle frame self-locking mechanism according to claim 1, characterized in that: The left end of the end cover (13) is fixedly connected to a rotating shaft (16).