A vehicle connector

Abstract

A vehicle joint consists of an upper joint, a lower joint, a locking handle, a main shaft, an adjusting screw and a cam. After the locking handle locks the upper joint and the lower joint, there are three force application points in their combination, presenting a stable triangular structure.

Description

Technical Field

[0001] The present invention relates to a vehicle joint, in particular to a joint used on the handlebars and frames of bicycles and scooters. Background Art

[0002] Currently, quite a number of the joints on the handlebars and frames of known bicycles and scooters are not stable enough and often shake after being used for a short time, affecting the safety of use. Summary of the Invention

[0003] In order to overcome the shortcomings that the existing joints on the handlebars and frames are not stable enough and often shake after being used for a short time, the present invention provides a stable joint for vehicles.

[0004] The technical solution adopted by the present invention to solve its technical problems is: The vehicle joint is composed of an upper joint, a lower joint, a main shaft, a cam, an adjusting screw and a locking handle. After the joint locks the upper joint and the lower joint by means of the cam, there are three stress points in the combination, and it presents a stable triangular structure.

[0005] The beneficial effect of the present invention is that it can ensure that the three stress points are stressed simultaneously after the upper and lower joints are locked, and the magnitude of the stress can be adjusted by the adjusting screw, thereby ensuring the stability of use. Brief Description of the Drawings

[0006] The present invention will be further described below in conjunction with the drawings and embodiments.

[0007] Figure 1 is the overall external view of the present invention after closing and locking.

[0008] Figure 2 is the exploded view of the present invention.

[0009] Figure 3 is the partial view of the present invention.

[0010] Figure 4 is the stress schematic diagram of the present invention after closing and locking.

[0011] Figure 5 is the semi-open schematic diagram of the locking handle of the present invention.

[0012] Figure 6 is the fully open schematic diagram of the locking handle of the present invention.

[0013] Figure 7 is the fully open folding schematic diagram of the handlebar upper tube group and the upper joint of the present invention.

[0014] In the figure: 1. Lower joint, 2. Upper joint, 3. Cam, 4. Main shaft, 5. Locking handle, 6. Handlebar upper tube group, 7. Lock catch, 8. Lock catch return spring, 9. Lock catch limit screw, 10. Main shaft screw, 11. Cam limit screw, 12. Cam limit spring plate, 13. Cam limit spring plate locking screw, 14. Lower joint locking screw, 15. Return spring, 16. Return guide post, 17. Return spring limit screw, 18. Positioning screw, 19. Adjusting screw;

[0015] a. Force-bearing surface of the upper joint (2), b. Force-bearing surface of the upper joint (2), c. Force-bearing surface of the lower joint (1), d. Force-bearing surface of the lower joint (1), h. Locking direction of the locking handle (5), i. Opening direction of the locking handle (5), j. Opening and folding direction of the handlebar upper tube group (6), k. Closing and combining direction of the handlebar upper tube group (6), E. Force-bearing point of the main shaft (4), F. Force-bearing point when the force-bearing surface (a) of the upper joint (2) and the force-bearing surface (c) of the lower joint (1) are combined, G. Force-bearing point when the force-bearing surface (b) of the upper joint (2) and the force-bearing surface (d) of the lower joint (1) are combined, M. Contact point between the cam (3) and the cam limit spring plate (12) when the locking handle is opened, N. Contact point between the cam (3) and the cam limit spring plate (12) when the locking handle is fully opened. Detailed implementation method

[0016] In Figure 2 and Figure 3 the upper joint (2), the lower joint (1) and the locking handle (5) are combined together by the main shaft (4) and locked by the main shaft screw (10). The cam (3) is fixed on the main shaft (4) by the cam limit screw (11). The lock catch (7) and the lock catch return spring (8) are sleeved together in the locking handle (5) and fixed by the lock catch limit screw (9). The handlebar upper tube group (6), the upper joint (2), the return spring (15) and the return guide post (16) are sleeved together by the return spring limit screw (17) and the positioning screw (18). The cam limit spring plate (12) and the cam limit spring plate locking screw (13) are fixed together in the inner cavity of the lower joint (1). The adjusting screw (19) is fixed at the upper end of the lower joint (1).

[0017] After assembly, as shown in Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7As shown, when pressing the locking handle (5) in the (h) direction, the V surfaces (a) and (b) in the upper joint (2) will come into contact with the V surfaces (c) and (d) in the lower joint (1), and there will be a guiding effect between the two V surfaces; after pressing the locking handle (5) in the (h) direction, the lock catch (7) will latch onto the head of the return spring limit screw (17) in the handlebar upper tube group due to the elastic force of the lock catch return spring (8) to prevent the locking handle (5) from loosening; at the same time, the cam (3) will press against the adjusting screw (19), thereby tightening the upper joint (2) and the lower joint (1). At this time, the force-bearing surface (a) in the upper joint and the force-bearing surface (c) in the lower joint are in full contact, and the force-bearing surface (b) in the upper joint and the force-bearing surface (d) in the lower joint are in full contact. When adjusting the adjusting screw (19) up and down, the force magnitudes at the contact points (E), (F), and (G) will change, and the force application points (E), (F), and (G) form a triangular stable structure; when pressing the lock catch (7), the lock catch (7) will compress the lock catch return spring (8), and the lock catch (7) will disengage from the head of the return spring limit screw (17). At this time, the locking handle (5) can be pulled out in the (i) direction and continue to pull out the locking handle (5) after overcoming the resistance at the (M) point of the cam (3) on the cam limit spring piece (12). At this time, the pressure between the cam (3) and the adjusting screw (19) will be released; under the elastic force of the return spring (15), the return guide post (16) will push open the upper joint (2), and then the handlebar upper tube group (6) can move in the (j) direction to achieve the folding function; conversely, when the handlebar upper tube group (6) moves in the (k) direction, the locking handle (5) will not move in the (h) direction together with the upper joint (2) and the handlebar upper tube group (6) due to the resistance at the (N) point of the cam (3) on the cam limit spring piece (12), so as not to affect the gap between the upper joint (2) and the lower joint (1), and thus not affect the movement of the handlebar upper tube group (6) in the (k) direction; the lower joint locking screw (14) is used to lock the lower joint (1) on the front fork upper tube of the vehicle. If this joint is used in other parts of a bicycle or a scooter, this joint can be sleeved or welded.

Claims

1. A vehicle joint, comprising an upper joint (2), a lower joint (1), a locking handle (5) and a main shaft (4), wherein the upper joint (2), the lower joint (1) and the locking handle (5) are combined together by the main shaft (4), characterized in that, The cam (3) is fixed on the main shaft (4) by means of a cam limit screw (11); the lock buckle (7) and the lock buckle return spring (8) are sleeved in the locking handle (5) and fixed by means of a lock buckle limit screw (9); the handlebar upper tube assembly (6), the upper joint (2), the return spring (15) and the return guide column (16) are sleeved together by means of a return spring limit screw (17) and a positioning screw (18); the cam limit spring sheet (12) and the cam limit spring sheet locking screw (13) are fixed in the inner cavity of the lower joint (1); and the adjusting screw (19) is fixed at the upper end of the lower joint (1); When the locking handle (5) is pressed in the direction h, the lock buckle (7) locks the head of the return spring limit screw (17) through the elastic force of the lock buckle return spring (8) to prevent the locking handle (5) from loosening. At the same time, the cam (3) presses against the adjusting screw (19), thereby tightening the upper joint (2) and the lower joint (1). At this time, the force-bearing surface a in the upper joint and the force-bearing surface c in the lower joint are completely in contact, and the force-bearing surface b in the upper joint and the force-bearing surface d in the lower joint are completely in contact. When the lock buckle (7) is pressed, the lock buckle (7) compresses the lock buckle return spring (8), and the lock buckle (7) is separated from the head of the return spring limit screw (17). At this time, the locking handle (5) can be pulled out in the i direction, and the locking handle (5) can be continued to be pulled open after overcoming the resistance of the cam (3) at the M point on the cam limit spring (12). At this time, the pressure between the cam (3) and the adjusting screw (19) is released, and under the elastic force of the return spring (15), the return guide column (16) will push open the upper joint (2), and the handlebar upper tube assembly (6) can move in the j direction to achieve folding.

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