Telescopic claw with adjustable length
The self-adjusting bicycle carrier addresses the instability and operation complexity of fixed-length clamps by using a claw mechanism with adjustable length and locking features, ensuring secure and stable transport.
Patent Information
- Application Number
- CN202421858697.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The fixed equipment of existing bicycle transport racks is cumbersome and unstable, and is prone to shake during transportation.
A telescopic claw with adjustable length is designed. Through the linkage structure between the main claw and the secondary claw, the length adjustment and fixing of the telescopic claw is achieved by using a threaded secondary rod and a locking knob to ensure the stability of the bicycle during transportation.
The bicycle is simple and stable and fixed, which reduces operating steps, improves the stability and practicality of the transport rack, and prevents loosening caused by bumps.
Smart Images
Figure CN223101510U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bicycle parts, and more specifically, to a telescopic claw with adjustable length. Background Art
[0002] The telescopic claw of a bicycle carrier is an important part of the bicycle carrier. It allows users to adjust according to the size of the bicycle to securely fix the bicycle. The telescopic claw can adjust its length without removing the entire carrier, which can adapt to bicycle frames of different lengths and improve the versatility and convenience of the carrier.
[0003] When fixing a bicycle with the existing bicycle carrier, it usually comes with fixed clips of fixed length, and the operation is difficult and cumbersome, which is inconvenient for users during the process of fixing the bicycle. Moreover, it is unstable after being fixed and is extremely likely to shake during transportation. In view of this, we propose a telescopic claw with adjustable length. Summary of the Utility Model
[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet the actual needs, and provide a telescopic claw with adjustable length to solve the technical problems of the current fixing device with cumbersome operation and extremely easy to shake during transportation.
[0005] To solve the above technical problems, the utility model provides the following technical solution: A telescopic claw with adjustable length, including a main rod. The two ends of the main rod are respectively movably sleeved with a main claw and a secondary claw. A length adjustment rod is arranged between the main claw and the secondary claw and is movably sleeved on the outer wall of the main rod. A threaded secondary rod is movably sleeved on the outer wall of the main rod and is movably connected to the length adjustment rod through a first thread. One end of the main rod is movably sleeved with a locking knob. A lock core is fixedly sleeved in the hole of the locking knob. A rubber cover sheet is arranged on the top of the locking knob and covers the top of the lock core. A first limit plug is fixedly sleeved at one end of the threaded secondary rod away from the length adjustment rod. A second limit plug is fixedly sleeved at one end of the length adjustment rod away from the threaded secondary rod. One end of the threaded secondary rod close to the length adjustment rod is movably connected with a fastening knob through a second thread. The clamping claws at both ends of the present utility model form a linkage. When not locked, one of the clamping claws at both ends always remains in a closed state. When the other clamping claw closes, the originally closed clamping claw opens. At the same time, by rotating the length adjustment rod, the length of the telescopic claw is adjusted. And after fixing the bicycle, through the locking knob, it can prevent bumps during transportation, resulting in loosening and other phenomena after clamping the bicycle. The present utility model can be operated with one hand, simplifies the operation steps, can simply and stably fix the bicycle, and is beneficial to improving the stability and practicality of the device.
[0006] Preferably, the other end of the main rod is fixedly connected with a limiting block. In this utility model, the thread on the fastening knob has the opposite direction to the thread on the inner wall of the length adjustment rod, which is used to prevent loosening due to bumps during transportation. Meanwhile, by installing the limiting block, the falling-off of other components can be prevented.
[0007] Preferably, the main claw includes claw A and claw B, and claw A and claw B are movably connected through a first pin.
[0008] Preferably, the second limiting plug is in movable contact with claw B.
[0009] Preferably, the auxiliary claw includes claw C and claw D, and claw C and claw D are movably connected through a second pin.
[0010] Preferably, the limiting block is arranged in the groove on claw D, and the first limiting plug is in movable contact with claw C.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. The claws at both ends of this utility model form a linkage. When not locked, one of the claws at both ends always remains in a closed state. When the other claw closes, the originally closed claw opens. Meanwhile, by rotating the length adjustment rod, the length of the telescopic claw can be adjusted. And after fixing the bicycle, through the locking knob, it can prevent loosening and other phenomena caused by bumps during transportation. This utility model can be operated with one hand, simplifying the operation steps, and can simply and stably fix the bicycle, which is beneficial to improving the stability and practicability of the device.
[0013] 2. In this utility model, the thread on the fastening knob has the opposite direction to the thread on the inner wall of the length adjustment rod, which is used to prevent loosening due to bumps during transportation. Meanwhile, by installing the limiting block, the falling-off of other components can be prevented. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0015] Figure 2 is a front three-dimensional structural schematic diagram of the present utility model;
[0016] Figure 3 is an exploded three-dimensional structural schematic diagram of the present utility model;
[0017] Figure 4 is a partial exploded three-dimensional structural schematic diagram of the present utility model.
[0018] Description of reference numerals in the figure: 1. Main rod; 101. Limit block; 2. Main claw; 201. Claw A; 202. Claw B; 3. Sub-claw; 301. Claw C; 302. Claw D; 4. Length adjustment rod; 5. Threaded secondary rod; 6. Locking knob; 7. Lock core; 8. Rubber cover plate; 9. First limit plug; 10. Second limit plug; 11. Tightening knob. Detailed implementation manner
[0019] Such as Figures 1 to 4As shown in the figure, a telescopic claw with adjustable length according to the present utility model includes a main rod 1. The two ends of the main rod 1 are respectively movably sleeved with a main claw 2 and a sub-claw 3. It should be noted that a spring piece is provided inside the main claw 2, so that it always remains in an open state without a limit. A length adjustment rod 4 is provided between the main claw 2 and the sub-claw 3, and the length adjustment rod 4 is movably sleeved on the outer wall of the main rod 1. A threaded secondary rod 5 is movably sleeved on the outer wall of the main rod 1, and the threaded secondary rod 5 is movably connected to the length adjustment rod 4 through a first thread. It should be noted that due to the length limitation of the main rod 1, the middle end is composed of the length adjustment rod 4 and the threaded secondary rod 5, so that within a limited stroke, one side of the claws always remains in a closed state, while the other side is in an open state. One end of the main rod 1 is movably sleeved with a locking knob 6, and a lock core 7 is fixedly sleeved in the hole on the locking knob 6. It should be noted that there is an opening at the top of the locking knob 6, and the lock core 7 is arranged inside. After fixing the bicycle, the locking knob can prevent loosening caused by bumps during transportation. And through the rubber cover plate 8, it can be avoided from being exposed. The top of the locking knob 6 is provided with a rubber cover plate 8, and the rubber cover plate 8 covers the top of the lock core 7. A first limit plug 9 is fixedly sleeved at one end of the threaded secondary rod 5 away from the length adjustment rod 4, and a second limit plug 10 is fixedly sleeved at one end of the length adjustment rod 4 away from the threaded secondary rod 5. One end of the threaded secondary rod 5 close to the length adjustment rod 4 is movably connected to a fastening knob 11 through a second thread. It should be noted that the thread on the fastening knob 11 has the opposite direction to the thread on the inner wall of the length adjustment rod 4, which is used to prevent loosening caused by bumps during transportation. This embodiment provides a telescopic claw with adjustable length. When in use, since the claws at both ends of the main rod 1 form a linkage, when not locked by default, the sub-claw 3 always remains in a closed state, and the main claw 2 is in an open state. Align the main claw 2 with the cross beam of the bicycle to be fixed, and close the main claw 2 by rotating the locking knob 6. When the main claw 2 is closed, the sub-claw 3 opens. Then, install the telescopic claw on the bicycle transport rack through the sub-claw 3, and through the locking knob 6, then rotate the length adjustment rod 4 and the threaded secondary rod 5 to make the first limit plug 9 abut against the jaw C301 to close the sub-claw 3, and complete the fixing of the bicycle. At the same time, the length adjustment rod 4 and the threaded secondary rod 5 rotate through the first thread, and the length of the adjustable telescopic claw can be adjusted. After lifting the bicycle higher, lock the knob through the lock core 7 to prevent the bicycle from loosening due to bumps during transportation. The jaws at both ends of the telescopic claw form a linkage. When not tightly locked, one of the jaws at both ends always remains in a closed state. When the other jaw is closed, the originally closed jaw opens. At the same time, by rotating the length adjustment rod, the length of the telescopic claw is adjusted. And after fixing the bicycle, through the locking knob, it can prevent bumps during transportation and cause loosening and other phenomena after clamping the bicycle. This utility model can be operated with one hand, simplifies the operation steps, can simply and stably fix the bicycle, and is beneficial to improving the stability and practicality of the device.
[0020] In an embodiment of the present utility model, a limiting block 101 is fixedly connected to the other end of the main rod 1. It should be noted that by installing the limiting block 101, the detachment of other components can be prevented.
[0021] In an embodiment of the present utility model, the main claw 2 includes a clamping claw A 201 and a clamping claw B 202. The clamping claw A 201 and the clamping claw B 202 are movably connected by a first pin, and the second limiting plug 10 is in movable contact with the clamping claw B 202.
[0022] As another embodiment of the present utility model, the auxiliary claw 3 includes a clamping claw C 301 and a clamping claw D 302. The clamping claw C 301 and the clamping claw D 302 are movably connected by a second pin. The limiting block 101 is arranged in the groove on the clamping claw D 302, and the first limiting plug 9 is in movable contact with the clamping claw C 301. It should be noted that the claws at both ends of the main rod 1 form a linkage. When not locked, one of the claws at both ends always remains in a closed state. When closing the other claw, the originally closed claw will open. Among them, in the default state, the auxiliary claw 3 will be in a closed state.
[0023] Working principle: This embodiment provides a telescopic claw with adjustable length. When in use, since the claws at both ends of the main rod 1 form a linkage, when not locked by default, the auxiliary claw 3 always remains in a closed state, and the main claw 2 is in an open state. Align the main claw 2 with the crossbeam of the bicycle to be fixed, and close the main claw 2 by rotating the locking knob 6. When the main claw 2 is closed, the auxiliary claw 3 opens. Then, install the telescopic claw on the bicycle carrier through the auxiliary claw 3, and then through the locking knob 6, and then rotate the length adjustment rod 4 and the threaded sub-rod 5 to make the first limiting plug 9 abut against the clamping claw C 301 to close the auxiliary claw 3, completing the fixation of the bicycle. At the same time, the length adjustment rod 4 and the threaded sub-rod 5 rotate through the first thread, and the length of the adjustable telescopic claw can be adjusted. After raising the bicycle, lock the knob through the lock core 7 to prevent the bicycle from loosening due to bumps during transportation.
[0024] The embodiments disclosed in the present utility model are preferred embodiments, but are not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present utility model based on the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of the present utility model, they are within the protection scope of the present utility model.
Claims
1. A telescopic claw with adjustable length, characterized in that, Comprising a main rod (1), with a main claw (2) and a sub-claw (3) movably sleeved at both ends of the main rod (1) respectively. A length adjustment rod (4) is arranged between the main claw (2) and the sub-claw (3), and the length adjustment rod (4) is movably sleeved on the outer wall of the main rod (1). A threaded sub-rod (5) is movably sleeved on the outer wall of the main rod (1), and the threaded sub-rod (5) is movably connected to the length adjustment rod (4) through a first thread. A locking knob (6) is movably sleeved at one end of the main rod (1). A lock core (7) is fixedly sleeved in the hole of the locking knob (6). A rubber cover piece (8) is arranged on the top of the locking knob (6), and the rubber cover piece (8) covers the top of the lock core (7). A first limit plug (9) is fixedly sleeved at the end of the threaded sub-rod (5) away from the length adjustment rod (4). A second limit plug (10) is fixedly sleeved at the end of the length adjustment rod (4) away from the threaded sub-rod (5). A fastening knob (11) is movably connected to the end of the threaded sub-rod (5) close to the length adjustment rod (4) through a second thread.
2. The telescopic claw with adjustable length according to claim 1, wherein A limit block (101) is fixedly connected to the other end of the main rod (1).
3. The telescopic claw with adjustable length according to claim 1, wherein, The main claw (2) includes a clamping claw A (201) and a clamping claw B (202), and the clamping claw A (201) and the clamping claw B (202) are movably connected through a first pin.
4. The telescopic claw with adjustable length according to claim 1, wherein The second limit plug (10) is in movable contact with the clamping claw B (202).
5. The telescopic claw with adjustable length according to claim 1, characterized in that, The sub-claw (3) includes a clamping claw C (301) and a clamping claw D (302), and the clamping claw C (301) and the clamping claw D (302) are movably connected through a second pin.
6. The telescopic claw with adjustable length according to claim 2, wherein The limit block (101) is arranged in the upper groove of the clamping claw D (302), and the first limit plug (9) is in movable contact with the clamping claw C (301).