Telescopic connecting rod for bicycle

Abstract

The telescopic connecting rod for the bicycle comprises a clamping ring assembly, the clamping ring assembly and a bicycle rod are fixedly installed, the top of the clamping ring assembly is fixedly connected with a guide screw rod, the top of the guide screw rod is rotationally connected with a rotating round piece, the peripheral face of the rotating round piece is sleeved with a rod body guide pipe in a sliding mode, and the rod body guide pipe is connected with the clamping ring assembly in a sliding mode. The bottom of the rod body guide pipe is connected with the guide screw in a penetrating and threaded mode, and the peripheral face of the guide screw is sleeved with a lock washer located below the rod body guide pipe. By arranging the rod body guide pipe and the guide screw, the length, exposed out of the rod body guide pipe, of the guide screw is changed by rotating the rod body guide pipe, telescopic adjustment of the length of the connecting rod is achieved, when the connecting rod is adjusted to a proper position, the hand nut is tightened, the rod body guide pipe is pressed through the lock washer, and the length position of the connecting rod is firmly fixed; the compression spring arranged in the rod body guide pipe plays a role in damping and adjusting the connecting rod.

Description

Technical Field

[0001] This utility model relates to the field of mobile phone holder technology, specifically a telescopic link for bicycles. Background Technology

[0002] In recent years, cycling has become a popular outdoor sport, and cyclists often need to attach devices and tools such as mobile phones, action cameras, cycling computers, water bottle cages, and bicycle lights to their bikes. During cycling, it is frequently necessary to adjust the height and angle of these devices and tools, leading to a widespread demand for various types of linkage brackets.

[0003] Existing bicycle phone holders generally only allow for angle adjustment, and cannot precisely adjust the height of the phone holder during use. This fails to meet the height adjustment needs of actual use and is detrimental to the use of the phone holder.

[0004] Therefore, we propose a telescopic linkage for bicycles. Utility Model Content

[0005] The purpose of this invention is to provide a telescopic link for bicycles to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a telescopic link for bicycles, including a clamping ring assembly, the clamping ring assembly being fixedly installed with the bicycle shaft, a guide screw being fixedly connected to the top of the clamping ring assembly, a rotating disc being rotatably connected to the top of the guide screw, a shaft guide tube being slidably sleeved on the outer circumferential surface of the rotating disc, the bottom of the shaft guide tube being threadedly connected to the guide screw, an anti-loosening washer being sleeved on the outer circumferential surface of the guide screw located below the shaft guide tube, a hand-tightening nut being threadedly connected to the outer circumferential surface of the guide screw located below the anti-loosening washer, and a multi-functional adapter being threadedly fixedly connected to the top of the shaft guide tube.

[0007] Optionally, the guide screw is externally fitted with a compression spring located inside the rod body guide tube, the top of the compression spring is in close contact with the bottom of the rotating disc, and a movable ring is provided at the bottom inside the rod body guide tube, the bottom of the compression spring is in close contact with the top of the movable ring.

[0008] Optionally, the top of the anti-loosening washer is in tight contact with the bottom of the rod guide, and the top of the hand-tightening nut is in tight contact with the bottom of the anti-loosening washer.

[0009] Optionally, the multi-functional adapter is threadedly connected to a hand-tightening screw located above the rod guide tube, and one end of the hand-tightening screw is threadedly connected to a ball-head lock nut.

[0010] Optionally, the clamping ring assembly includes an upper clamping ring and a lower clamping ring. The top of the upper clamping ring is integrally connected to a connecting seat. One end of the upper clamping ring is rotatably hinged to one end of the lower clamping ring. The top of the connecting seat is fixedly connected to the bottom of the guide screw.

[0011] Optionally, a fixing screw is provided through the other end of the upper clamping ring, and the other end of the lower clamping ring is threadedly connected to the fixing screw. A soft rubber clamping ring bushing is bonded to the opposite surfaces of the upper and lower clamping rings.

[0012] Optionally, the connecting seat and the guide screw are fixedly connected by threads.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This bicycle uses a telescopic link. By setting a rod guide tube and a guide screw, the length of the guide screw protruding from the rod guide tube can be changed by rotating the rod guide tube, thereby realizing the extension and retraction adjustment of the link length. When adjusted to the appropriate position, tightening the hand nut will press the rod guide tube with the anti-loosening washer to firmly fix the link length position. The compression spring set in the rod guide tube plays the role of damping the adjustment link.

[0015] 2. The bicycle uses a telescopic link. By setting a clamping ring assembly, the upper and lower clamping rings form a ring that fits onto the outside of the frame. The upper and lower clamping rings are clamped by rotating the fixing screw, thus fixing the entire link to the frame. A soft clamping ring bushing prevents the clamping ring assembly from loosening and rotating. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a telescopic link for bicycles according to the present invention;

[0017] Figure 2 This is a cross-sectional view of the shaft guide of a telescopic link for bicycles according to this utility model.

[0018] Figure 3 This is a schematic diagram of the clamp assembly of a telescopic link for bicycles according to the present invention.

[0019] In the diagram: 1. Hand-tightening screw; 2. Ball-head lock nut; 3. Multi-functional adapter; 4. Rod guide tube; 5. Lock washer; 6. Hand-tightening nut; 7. Guide screw; 8. Clamping ring assembly; 81. Upper clamping ring; 82. Lower clamping ring; 83. Fixing screw; 84. Connecting seat; 85. Soft rubber clamping ring bushing; 9. Moving ring; 10. Compression spring; 11. Rotating disc; 12. Rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1 to 3 This utility model provides a telescopic link for bicycles, including a clamp assembly 8, which is fixedly installed with the bicycle stem 12. A guide screw 7 is fixedly connected to the top of the clamp assembly 8, and a rotating disc 11 is rotatably connected to the top of the guide screw 7. A stem guide 4 is slidably sleeved on the outer circumferential surface of the rotating disc 11. The bottom of the stem guide 4 is threadedly connected to the guide screw 7. An anti-loosening washer 5 is sleeved on the outer circumferential surface of the guide screw 7 and located below the stem guide 4. A hand-tightening nut 6 located below the anti-loosening washer 5 is threadedly connected to the outer circumferential surface of the guide screw 7. A multi-functional adapter 3 is threadedly fixedly connected to the top of the stem guide 4.

[0022] The guide screw 7 is externally fitted with a compression spring 10 located inside the rod guide tube 4. The top of the compression spring 10 is in close contact with the bottom of the rotating disc 11. A movable ring 9 is provided at the bottom inside the rod guide tube 4. The bottom of the compression spring 10 is in close contact with the top of the movable ring 9, which serves as a protection against compression. By setting the rod guide tube 4 and the guide screw 7, the length of the guide screw 7 protruding from the rod guide tube 4 changes by rotating the rod guide tube 4, thereby realizing the extension and retraction adjustment of the connecting rod. When adjusted to the appropriate position, the hand nut 6 is tightened, and the rod guide tube 4 is pressed by the anti-loosening washer 5 to firmly fix the length position of the connecting rod. The compression spring 10 set in the rod guide tube 4 serves as a damping adjustment connecting rod.

[0023] The top of the anti-loosening washer 5 is in tight contact with the bottom of the rod guide tube 4, and the top of the hand-tightened nut 6 is in tight contact with the bottom of the anti-loosening washer 5.

[0024] The multi-functional adapter 3 is threadedly connected to a hand-tightening screw 1 located above the shaft guide tube 4. One end of the hand-tightening screw 1 is threadedly connected to a ball-head anti-loosening nut 2. The multi-functional adapter 3 can use the hand-tightening screw 1 to fix a certain model of action camera, or it can be set to one or more connection interfaces according to the installation requirements of equipment and tools such as mobile phones / action cameras / speed computers / water bottle cages / bicycle lights.

[0025] The clamping ring assembly 8 includes an upper clamping ring 81 and a lower clamping ring 82. A connecting seat 84 is integrally connected to the top of the upper clamping ring 81. One end of the upper clamping ring 81 is rotatably hinged to one end of the lower clamping ring 82. The top of the connecting seat 84 is fixedly connected to the bottom of the guide screw 7.

[0026] A fixing screw 83 is provided through the other end of the upper clamping ring 81, and the other end of the lower clamping ring 82 is threadedly connected to the fixing screw 83. A soft rubber clamping ring bushing 85 is bonded to the opposite surfaces of the upper clamping ring 81 and the lower clamping ring 82. By setting the clamping ring assembly 8, the ring formed by the upper clamping ring 81 and the lower clamping ring 82 is fitted onto the outside of the machine frame. The upper clamping ring 81 and the lower clamping ring 82 are clamped by rotating the fixing screw 83, and the entire connecting rod is fixed on the machine frame 12. The soft clamping ring bushing prevents the clamping ring assembly 8 from loosening and rotating.

[0027] The connecting seat 84 and the guide screw 7 are fixedly connected by threads. The bottom end of the guide screw 7 can also be fixedly connected to the connecting seat 84 by welding, riveting, etc.

[0028] Working principle: The ring formed by the upper clamping ring 81 and the lower clamping ring 82 is fitted onto the outside of the frame. The upper clamping ring 81 and the lower clamping ring 82 are clamped by rotating the fixing screw 83, fixing the entire connecting rod to the frame 12. The flexible clamping ring bushing prevents the clamping ring assembly 8 from loosening and rotating. Rotating the rod guide tube 4 changes the length of the guide screw 7 protruding from the rod guide tube 4, realizing the extension and retraction adjustment of the connecting rod length. The longest length of the connecting rod is 1.3 to 1.6 times the shortest length. When adjusted to the appropriate position, tighten the hand nut 6. The anti-loosening washer 5 presses the rod guide tube 4 to firmly fix the length position of the connecting rod. The compression spring 10 set in the rod guide tube 4 plays the role of damping the adjustment connecting rod.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A telescopic link for bicycles, comprising a clamp assembly (8), characterized in that, The clamping ring assembly (8) is fixedly installed on the rod (12). A guide screw (7) is fixedly connected to the top of the clamping ring assembly (8). A rotating disc (11) is rotatably connected to the top of the guide screw (7). A rod body guide tube (4) is slidably sleeved on the outer circumferential surface of the rotating disc (11). The bottom of the rod body guide tube (4) is threadedly connected to the guide screw (7). An anti-loosening washer (5) located below the rod body guide tube (4) is sleeved on the outer circumferential surface of the guide screw (7). A hand-tightening nut (6) located below the anti-loosening washer (5) is threadedly connected to the outer circumferential surface of the guide screw (7). A multi-functional adapter (3) is threadedly fixedly connected to the top of the rod body guide tube (4).

2. The retractable link for a bicycle according to claim 1, characterized in that, The guide screw (7) is externally fitted with a compression spring (10) located inside the rod body guide tube (4). The top of the compression spring (10) is in close contact with the bottom of the rotating disc (11). A movable ring (9) is provided at the bottom inside the rod body guide tube (4). The bottom of the compression spring (10) is in close contact with the top of the movable ring (9).

3. A telescopic link for a bicycle according to claim 1, characterized in that, The top of the anti-loosening washer (5) is in tight contact with the bottom of the rod guide tube (4), and the top of the hand-tightening nut (6) is in tight contact with the bottom of the anti-loosening washer (5).

4. A telescopic link for a bicycle according to claim 1, characterized in that, The multi-functional adapter (3) is threadedly connected to a hand-tightening screw (1) located above the rod guide tube (4), and one end of the hand-tightening screw (1) is threadedly connected to a ball-head anti-loosening nut (2).

5. A telescopic link for a bicycle according to claim 1, characterized in that, The clamping ring assembly (8) includes an upper clamping ring (81) and a lower clamping ring (82). The top of the upper clamping ring (81) is integrally connected to a connecting seat (84). One end of the upper clamping ring (81) is rotatably hinged to one end of the lower clamping ring (82). The top of the connecting seat (84) is fixedly connected to the bottom of the guide screw (7).

6. A telescopic link for a bicycle according to claim 5, characterized in that, A fixing screw (83) is provided through the other end of the upper clamping ring (81), and the other end of the lower clamping ring (82) is threadedly connected to the fixing screw (83). A soft rubber clamping ring bushing (85) is bonded to the opposite surfaces of the upper clamping ring (81) and the lower clamping ring (82).

7. A telescopic link for a bicycle according to claim 5, characterized in that, The connecting seat (84) and the guide screw (7) are fixedly connected by threads.

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