CN213831982U

CN213831982U - Rotatable bicycle stem assembly

Info

Publication number: CN213831982U
Application number: CN202022858067.2U
Authority: CN
Inventors: 王兴宝
Original assignee: Tianjin Jinlilai Metal Products Co ltd
Current assignee: Tianjin Jinlilai Metal Products Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-30
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a rotatable bicycle handlebar founds subassembly, including back shaft and steering spindle, the top fixedly connected with steering spindle of back shaft, it has the ball pole to peg graft in the bottom of back shaft, the both sides of ball pole all are provided with the ball, the surface of back shaft lower part is provided with the joint ring, the spout has been seted up on the surface of joint ring, first hole groove has been seted up to the spout lower part, the surface swing joint in first hole groove has connecting screw. The utility model discloses a cooperation setting between back shaft, ball pole, ball and the joint ring, back shaft surface and joint ring swing joint, the second hole groove that the ball pole of joint ring inner wall was seted up through the back shaft bottom is fixed the back shaft, the structure is not hard up when preventing to turn to, when the steering spindle turned to the motion, the ball pole can drive the ball motion, reached the effect that conveniently turns to, this setting can make immediately carrying out turning to of multi-angle, improve equipment's practicality.

Description

Rotatable bicycle stem assembly

Technical Field

The utility model relates to a bicycle technical field specifically is a rotatable bicycle handlebar founds subassembly.

Background

Can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use the bicycle as fitness equipment for riding exercise and bicycle touring, and the bicycle is also a sports competition, such as road bike racing, mountain bike racing, field bike racing, stunt bike racing and the like.

Present bicycle is rotatory comparatively inconvenient when the operation, influences operating personnel's the experience of riding, and the bicycle is because of the long back that ages of live time, and the stability of standing can appear decline by a relatively large margin, and the bicycle stands after impaired, changes comparatively difficultly, influences work efficiency, for solving above problem, we have provided a rotatable bicycle upright subassembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatable bicycle stem subassembly is in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotatable bicycle handlebar founds subassembly, includes back shaft and steering spindle, the top fixedly connected with steering spindle of back shaft, the bottom of back shaft is pegged graft and is had the ball pole, the both sides of ball pole all are provided with the ball, the surface of back shaft lower part is provided with the joint ring, the spout has been seted up on the surface of joint ring, first hole groove has been seted up to the spout lower part, the surface swing joint in first hole groove has connecting screw, one side threaded connection of connecting screw has coupling nut, the surface swing joint of joint ring has the bicycle body.

Preferably, the top fixedly connected with of steering spindle turns to the piece, the both sides that turn to the piece are provided with left handlebar and right handlebar respectively.

Preferably, one side of left handlebar and right handlebar all is provided with the brake, one side of brake is provided with the derailleur.

Preferably, the surface of left handlebar and right handlebar all is provided with the skid resistant course, the material of skid resistant course is high density sponge.

Preferably, the surface of the bottom of the supporting shaft is provided with a second hole groove, and the second hole groove is matched with the ball rod.

Preferably, the connecting screw rod is respectively spliced with the bicycle body and the clamping ring, and the surface of the supporting shaft is movably connected with the clamping ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation setting between back shaft, ball pole, ball and the joint ring, back shaft surface and joint ring swing joint, the second hole groove that the ball pole of joint ring inner wall was seted up through the back shaft bottom is fixed the back shaft, the structure is not hard up when preventing to turn to, when the steering spindle turned to the motion, the ball pole can drive the ball motion, reached the effect that conveniently turns to, this setting can make immediately carrying out turning to of multi-angle, improve equipment's practicality.

2. The utility model discloses a cooperation setting between joint ring, spout, first dead slot, connecting screw, coupling nut and the bicycle body, the inner wall of bicycle body is provided with the grafting pole, and the grafting pole is fixed with the joint ring through the spout, and connecting screw and coupling nut can fix the joint ring after fixing and the bicycle body, prevent that the joint ring from shifting, and this setting can reach easy to assemble and the effect of dismantling, improves work efficiency.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic perspective view of the snap ring of the present invention;

fig. 3 is a schematic view of a front view of the clamping ring of the present invention.

In the figure: 1. a support shaft; 2. a steering shaft; 3. a ball bar; 4. a ball bearing; 5. a snap ring; 6. a chute; 7. a first hole groove; 8. connecting a screw rod; 9. a connecting nut; 10. a bicycle body; 11. a turning block; 12. A left handlebar; 13. a right handlebar; 14. a brake; 15. a transmission; 16. an anti-slip layer; 17. a second bore groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a rotatable bicycle stem assembly comprises a support shaft 1 and a steering shaft 2, the top of the support shaft 1 is fixedly connected with the steering shaft 2, the bottom of the support shaft 1 is inserted with a ball rod 3, both sides of the ball rod 3 are provided with balls 4, the surface of the lower part of the support shaft 1 is provided with a clamping ring 5, the surface of the clamping ring 5 is provided with a sliding chute 6, the lower part of the sliding chute 6 is provided with a first hole groove 7, the surface of the first hole groove 7 is movably connected with a connecting screw rod 8, one side of the connecting screw rod 8 is connected with a connecting nut 9 through threads, the surface of the clamping ring 5 is movably connected with a bicycle body 10, the surface of the support shaft 1 is movably connected with the clamping ring 5, the ball rod 3 on the inner wall of the clamping ring 5 fixes the support shaft 1 17 through a second hole groove arranged at the bottom of the support shaft 1, the structure is prevented from being loosened during steering movement of the steering shaft 2, the ball rod 3 can drive the balls 4 to move, reach the effect that conveniently turns to, the inner wall of bicycle body 10 is provided with the peg graft pole, and the peg graft pole passes through spout 6 and encircles 5 fixedly with the joint, and connecting screw 8 and coupling nut 9 can be fixed 5 and bicycle body 10 of joint after fixing, prevent that joint ring 5 from shifting.

Further, the top of the steering shaft 2 is fixedly connected with a steering block 11, two sides of the steering block 11 are respectively provided with a left handlebar 12 and a right handlebar 13, and the left handlebar 12 and the right handlebar 13 are connected with the steering shaft 2 through the steering block 11.

Further, a brake 14 is disposed on one side of each of the left and

right handlebars

12 and 13, a transmission 15 is disposed on one side of the brake 14, the brake 14 can limit the moving speed of the bicycle body 10, and the transmission 15 can be used for adjusting the bicycle.

Further, the surface of left handlebar 12 and right handlebar 13 all is provided with skid resistant course 16, and skid resistant course 16's material is the high density sponge, and the security when skid resistant course 16 can improve operating personnel contact handlebar, and the sponge can effectively sweat-absorbing.

Further, a second hole groove 17 is formed in the surface of the bottom of the support shaft 1, the second hole groove 17 is matched with the ball rod 3, and the second hole groove 17 is connected with the ball 4 through the ball rod 3.

Further, connecting screw 8 pegs graft with bicycle body 10 and joint ring 5 respectively, and the surface and the joint ring 5 swing joint of back shaft 1, connecting screw 8 can be fixed bicycle body 10 and joint ring 5.

The working principle is as follows: 1 surface of back shaft and 5 swing joint of joint ring, the second hole groove that the ball rod 3 of 5 inner walls of joint ring was seted up through 1 bottom of back shaft is fixed 17 back shaft 1, the structure is not hard up when preventing to turn to, when steering spindle 2 turned to the motion, ball rod 3 can drive ball 4 motions, reach the effect that conveniently turns to, the inner wall of bicycle body 10 is provided with the peg graft pole, the peg graft pole passes through spout 6 and fixes joint ring 5, connecting screw 8 and coupling nut 9 can be fixed joint ring 5 and bicycle body 10 after fixing, prevent that joint ring 5 from shifting.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rotatable bicycle stem assembly, includes back shaft (1) and steering spindle (2), its characterized in that: the bicycle is characterized in that a steering shaft (2) is fixedly connected to the top of the supporting shaft (1), a ball rod (3) is inserted into the bottom of the supporting shaft (1), balls (4) are arranged on two sides of the ball rod (3), a clamping ring (5) is arranged on the surface of the lower portion of the supporting shaft (1), a sliding groove (6) is formed in the surface of the clamping ring (5), a first hole groove (7) is formed in the lower portion of the sliding groove (6), a connecting screw rod (8) is movably connected to the surface of the first hole groove (7), a connecting nut (9) is connected to one side of the connecting screw rod (8) in a threaded mode, and a bicycle body (10) is movably connected to the surface of the clamping ring (5).

2. A rotatable bicycle stem assembly as defined in claim 1, wherein: the top fixedly connected with of steering spindle (2) turns to piece (11), the both sides that turn to piece (11) are provided with left handlebar (12) and right handlebar (13) respectively.

3. A rotatable bicycle stem assembly as set forth in claim 2, wherein: the bicycle is characterized in that a brake (14) is arranged on one side of each of the left handlebar (12) and the right handlebar (13), and a transmission (15) is arranged on one side of the brake (14).

4. A rotatable bicycle stem assembly as set forth in claim 2, wherein: the surface of left handlebar (12) and right handlebar (13) all is provided with skid resistant course (16), the material of skid resistant course (16) is high density sponge.

5. A rotatable bicycle stem assembly as defined in claim 1, wherein: and a second hole groove (17) is formed in the surface of the bottom of the support shaft (1), and the second hole groove (17) is matched with the ball rod (3).

6. A rotatable bicycle stem assembly as defined in claim 1, wherein: the connecting screw rod (8) is respectively spliced with the bicycle body (10) and the clamping ring (5), and the surface of the supporting shaft (1) is movably connected with the clamping ring (5).