CN221091108U - Handlebar structure and vehicle - Google Patents

Abstract

The utility model relates to the technical field of vehicle accessories, in particular to a handlebar structure and a vehicle, wherein the handlebar structure comprises a handlebar, a handlebar vertical pipe and a front fork vertical pipe, the handlebar is fixed at one end of the handlebar vertical pipe, a first annular convex strip and a first connecting part are sequentially arranged on the inner wall of the other end of the handlebar vertical pipe, and the first annular convex strip and the first connecting part define a first groove; the outer wall of one end of the front fork vertical tube, which is close to the handlebar vertical tube, is sequentially provided with a second annular raised line and a second connecting part, and the second annular raised line and the second connecting part define a second groove; the handlebar vertical tube and the front fork vertical tube are coupled and connected through a first connecting part and a second connecting part; a clamp spring is fixed in the second groove, and is clamped in the first groove at the same time when the handlebar vertical pipe and the front fork vertical pipe are coupled; the clamp spring is arranged inside the vertical pipe, the handle bar can be effectively fixed, the handle bar is prevented from being shifted up and down in the using process, the hidden installation is realized, the structure is more attractive, the oxidative deformation of the clamp spring is prevented, and the service life is prolonged.

Description

Handlebar structure and vehicle

[ Field of technology ]

The utility model relates to the technical field of vehicle accessories, in particular to a handlebar structure and a vehicle.

[ Background Art ]

With the rapid development of society, people use vehicles gradually when going out, and the bicycle is one of the modes of healthy travel, people also tend to choose the bicycle to be used as the travel tool of short distance more and more, however in the existing bicycle technology, when the bicycle handle is subjected to jolt, the relative displacement between the handle riser and the front fork of the front wheel easily occurs up and down or left and right, and the handle is positioned inaccurately.

[ utility model ]

The utility model provides a handlebar structure and a vehicle, which are used for solving the problem that a handlebar of an existing bicycle is easy to deviate from a handlebar vertical pipe in use.

The technical problem to be solved by the utility model is to provide a handlebar structure, which comprises a handlebar, a handlebar vertical pipe and a front fork vertical pipe, wherein the handlebar is fixed at one end of the handlebar vertical pipe, a first annular convex strip and a first connecting part are sequentially arranged on the inner wall of the other end of the handlebar vertical pipe, and a first groove is defined by the first annular convex strip and the first connecting part; the outer wall of the front fork vertical tube, which is close to one end of the handlebar vertical tube, is sequentially provided with a second annular raised line and a second connecting part, and the second annular raised line and the second connecting part define a second groove; the handlebar vertical pipe and the front fork vertical pipe are coupled and connected through the first connecting part and the second connecting part; and a clamp spring is fixed in the second groove, and is also clamped in the first groove when the handlebar vertical pipe is coupled with the front fork vertical pipe.

Preferably, the clamping spring is an elastic clamping spring, and the clamping spring is clamped in the first groove and the second groove in an unstressed state.

Preferably, the second connecting portion is a spline, and the first connecting portion is a corresponding spline housing.

Preferably, the two sides of the spline housing are respectively provided with a first chamfer and a second chamfer, wherein the inclined surfaces of the first chamfer and the second chamfer are arranged towards the spline housing; the outer edge of the second annular raised strip is also provided with a third chamfer, and the inclined plane of the third chamfer is parallel to the inclined plane of the second chamfer in the same vertical plane.

Preferably, the handle bar and the handle bar stem are integrally formed.

Preferably, the inner diameter of the first annular raised strip is greater than or equal to the outer diameter of the second annular raised strip, and the difference between the inner diameter of the first annular raised strip and the outer diameter of the second annular raised strip is 0-0.5mm.

Preferably, the spline and the spline housing have a keyway depth of 0.8-1.2mm.

Preferably, the number of teeth of the spline and the spline housing is 32-40.

Preferably, a front fork is further connected to one end of the front fork riser, which is far away from the handlebar riser.

The utility model also provides a vehicle comprising a wheel, a frame and a handlebar structure as described above, the handlebar structure connecting the frame and the front wheel.

Compared with the prior art, the handlebar structure and the vehicle have the following advantages:

1. The handlebar structure comprises a handlebar, a handlebar vertical pipe and a front fork vertical pipe, wherein the handlebar is fixed at one end of the handlebar vertical pipe, and a first annular convex strip and a first connecting part are sequentially arranged on the inner wall of the other end of the handlebar vertical pipe and define a first groove; the outer wall of one end of the front fork vertical tube, which is close to the handlebar vertical tube, is sequentially provided with a second annular raised line and a second connecting part, and the second annular raised line and the second connecting part define a second groove; the handlebar vertical tube and the front fork vertical tube are coupled and connected through a first connecting part and a second connecting part; a clamp spring is fixed in the second groove, and is clamped in the first groove at the same time when the handlebar vertical pipe and the front fork vertical pipe are coupled; the clamp spring is arranged inside the vertical pipe, the handle bar can be effectively fixed, the handle bar is prevented from being shifted up and down in the using process, the hidden installation is realized, the structure is more attractive, the oxidative deformation of the clamp spring is prevented, and the service life is prolonged.

2. The clamp spring of the handlebar structure is an elastic clamp spring, and the clamp spring is clamped in the first groove and the second groove in an unstressed state; the elastic clamp spring is convenient for installing the handlebar stand pipe and the front fork stand pipe, is compressed in the assembling process, and is sprung out at the first groove and the second groove after the assembling is completed, and the displacement of the handlebar stand pipe in the up-down direction is limited.

3. The second connecting part of the handlebar structure is a spline, and the first connecting part is a corresponding spline housing; the utility model uses spline connection to replace traditional screw connection; because each key tooth of spline is even at handlebar steering process atress, so firm more reliable, life is high, simultaneously the spline is because of its form for part on the riser is better with the centering and the guidance quality of riser, can effectively prevent that the handlebar from appearing the condition of not centering on whole car.

4. The two sides of a spline housing of the handlebar structure are respectively provided with a first chamfer and a second chamfer, wherein the inclined surfaces of the first chamfer and the second chamfer are arranged towards the spline housing; the outer edge of the second annular raised strip is also provided with a third chamfer, and the inclined plane of the third chamfer is parallel to the inclined plane of the second chamfer in the same vertical plane; the chamfering is arranged to facilitate the assembly and disassembly of the handlebar stand pipe and the front fork stand pipe.

5. The handle bar and the handle bar vertical tube of the handle bar structure are integrally formed; the integrated design is adopted, the number of parts is reduced, and the space outside the pipe material can be used for arranging other parts.

6. The inner diameter of the first annular raised strip is larger than or equal to the outer diameter of the second annular raised strip, and the difference between the inner diameter of the first annular raised strip and the outer diameter of the second annular raised strip is 0-0.5mm; the inside diameter of the first annular raised strip is guaranteed not to be smaller than the outside diameter of the second annular raised strip so as to ensure that the front fork vertical pipe cannot be clamped by the chamfer and the bulge inside the handle bar vertical pipe in the process of inserting the handle bar vertical pipe.

7. The depth of the spline of the handlebar structure and the key groove of the spline housing is 0.8-1.2mm; the key groove is shallower, stress concentration at the tooth root is smaller, and the service life of the spline can be prolonged.

8. The number of teeth of the spline and the spline housing of the handlebar structure is 32-40; the multiple teeth are meshed, the total contact area is larger, so that the load can be borne greatly, and when the load is impacted by external force, the deformation is smaller, and the steering performance is not influenced.

9. The front fork is connected with one end of the front fork vertical pipe far away from the handle vertical pipe; the front fork is used for connecting and fixing the front wheel of the bicycle.

10. The utility model also provides a vehicle, which comprises wheels, a frame and the handlebar structure, wherein the handlebar structure is connected with the frame and the front wheels; has the same beneficial effects as the handlebar structure and is not described in detail herein.

[ Description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a handlebar structure according to a first embodiment of the present utility model.

FIG. 2 is a cross-sectional view of a handlebar structure provided by a first embodiment of the present utility model.

Fig. 3 is an enlarged view of a in fig. 2.

FIG. 4 is a cross-sectional view of a handlebar stem of a handlebar structure provided in accordance with a first embodiment of the present utility model.

Fig. 5 is an enlarged view of B in fig. 4.

FIG. 6 is a schematic view of a front fork riser of a handlebar structure provided in accordance with a first embodiment of the present utility model.

Fig. 7 is an enlarged view of C in fig. 6.

Fig. 8 is a schematic partial structure of a vehicle according to a second embodiment of the present utility model.

The attached drawings are used for identifying and describing:

1. a handle bar structure; 2. a vehicle;

10. A handle bar; 11. a handlebar stem; 12. a front fork riser; 13. clamping springs; 14. a front fork; 20. a wheel; 21. a frame;

110. A first annular raised strip; 111. a first connection portion; 112. a first groove; 113. a first chamfer; 114. a second chamfer; 120. a second annular convex strip; 121. a second connecting portion; 122. a second groove; 123. and (3) third chamfering.

[ Detailed description ] of the invention

The present utility model will be described in further detail with reference to the accompanying drawings and examples of implementation in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, a handlebar structure 1 provided in a first embodiment of the present utility model includes a handlebar 10, a handlebar stem 11 and a front fork stem 12, wherein the handlebar 10 is fixed at one end of the handlebar stem 11; referring to fig. 4 and 5, the inner wall of the other end of the handlebar stem 11 is provided with a first annular protrusion 110 and a first connecting portion 111 in sequence, and the first annular protrusion 110 and the first connecting portion 111 define a first groove 112; referring to fig. 6 and 7 again, the outer wall of the front fork stem 12 near one end of the handlebar stem 11 is provided with a second annular protruding strip 120 and a second connecting portion 121 in sequence, and the second annular protruding strip 120 and the second connecting portion 121 define a second groove 122; referring to fig. 2 and 3, the handlebar stem 11 and the front fork stem 12 are coupled and connected through a first connecting portion 111 and a second connecting portion 121, and a clamp spring 13 is fixed in the second groove 122, and when the handlebar stem 11 and the front fork stem 12 are coupled, the clamp spring 13 is also clamped in the first groove 112; the clamp spring 13 is arranged in the vertical pipe, so that the handlebar 10 can be effectively fixed, the handlebar 10 is prevented from being shifted up and down in the using process, meanwhile, the hidden installation enables the structure to be more attractive, the clamp spring 13 is prevented from being oxidized and deformed, and the service life is prolonged.

Further, referring to fig. 3, the clamp spring 13 is an elastic clamp spring, and the clamp spring 13 is clamped in the first groove 112 and the second groove 122 in an unstressed state; the elastic clamp springs are used for facilitating the installation of the handlebar stand pipe 11 and the front fork stand pipe 12, are compressed in the assembly process, and spring out at the first groove 112 and the second groove 122 after the assembly is completed, so that the displacement of the handlebar stand pipe in the up-down direction is limited.

It can be understood that the lengths of the first connecting portion 111 and the second connecting portion 121 should correspond to ensure that the clamp spring 13 is just clamped in the first groove 112 after coupling, and the size of the accommodating groove defined by the first groove 112 and the second groove 122 should be not smaller than the size of the clamp spring 13 in a natural state.

Further, referring to fig. 4 to 7, the second connecting portion 121 is a spline, and the first connecting portion 111 is a spline housing; the utility model uses spline connection to replace traditional screw connection; because each key tooth of spline is even at handlebar steering process atress, so firm more reliable, life is high, simultaneously the spline is because of its form for part on the riser is better with the centering and the guidance quality of riser, can effectively prevent that the handlebar from appearing the condition of not centering on whole car.

In addition to the spline and the spline teeth of the spline housing being made to correspond to each other when connecting the handle bar stem 11 and the front fork stem 12, it is necessary to ensure that the two stems are connected after the handle bar 10 is aligned in the middle.

Further, referring to fig. 3, 5 and 7, there are a first chamfer 113 and a second chamfer 114 provided on both sides of the spline housing with inclined surfaces facing the spline housing; the outer edge of the second annular raised strip 120 is also provided with a third chamfer 123, and the inclined surface of the third chamfer 123 is parallel to the inclined surface of the second chamfer 114 in the same vertical plane; providing a chamfer facilitates assembly and disassembly of the handlebar stem 11 and the front fork stem 12.

Specifically, the first chamfer 113 is convenient to disassemble, and the second chamfer 114 and the third chamfer 123 are convenient to assemble.

Further, the handle bar 10 and the handle bar stem 11 are integrally formed; the integrated design is adopted, the number of parts is reduced, and the space outside the pipe material can be used for arranging other parts.

Further, the inner diameter of the first annular bead 110 is greater than or equal to the outer diameter of the second annular bead 120, and the difference between the inner diameter of the first annular bead 110 and the outer diameter of the second annular bead 120 is 0-0.5mm; the inner diameter of the first annular bead 110 is ensured to be no smaller than the outer diameter of the second annular bead 120 in order to ensure that the front fork riser 12 is not caught by the chamfer and the protrusion inside the handle bar riser 11 during the insertion of the handle bar riser 11.

Optionally, the depth of the key groove of the spline and the spline housing is 0.8-1.2mm, preferably 1mm, the key groove is shallower, stress concentration at the tooth root is smaller, and the service life of the spline can be prolonged.

Optionally, the number of teeth of the spline and the spline housing is 32-40, preferably 36; the multiple teeth are meshed, the total contact area is larger, so that the load can be borne greatly, and when the load is impacted by external force, the deformation is smaller, and the steering performance is not influenced.

It should be noted that the spline used in the utility model is a standard spline, so as to ensure good interchangeability of parts and facilitate processing.

Optionally, the handlebar stem 11 and the front fork stem 12 are hollow tubes to meet the light weight requirements of the vehicle.

Further, referring to fig. 1, a front fork 14 is further connected to an end of the front fork riser 12 remote from the handlebar riser 11.

Referring to fig. 8, the second embodiment of the present utility model further provides a vehicle 2 including a wheel 20, a frame 21 and the handlebar structure 1 as described above, wherein the handlebar structure 1 connects the frame 21 and the front wheel 20, and has the same advantages as those of the handlebar structure 1 described above, and the description thereof is omitted herein.

It should be noted that, the handlebar structure 1 provided in the embodiment of the present utility model is not only suitable for a conventional bicycle, but also suitable for an electric bicycle, a tricycle, a motorcycle or other vehicles requiring a steering mechanism on the premise of meeting the requirement of strength load, and the like, and is not limited herein.

Compared with the prior art, the handlebar structure and the vehicle have the following advantages:

1. The handlebar structure comprises a handlebar, a handlebar vertical pipe and a front fork vertical pipe, wherein the handlebar is fixed at one end of the handlebar vertical pipe, and a first annular convex strip and a first connecting part are sequentially arranged on the inner wall of the other end of the handlebar vertical pipe and define a first groove; the outer wall of one end of the front fork vertical tube, which is close to the handlebar vertical tube, is sequentially provided with a second annular raised line and a second connecting part, and the second annular raised line and the second connecting part define a second groove; the handlebar vertical tube and the front fork vertical tube are coupled and connected through a first connecting part and a second connecting part; a clamp spring is fixed in the second groove, and is clamped in the first groove at the same time when the handlebar vertical pipe and the front fork vertical pipe are coupled; the clamp spring is arranged inside the vertical pipe, the handle bar can be effectively fixed, the handle bar is prevented from being shifted up and down in the using process, the hidden installation is realized, the structure is more attractive, the oxidative deformation of the clamp spring is prevented, and the service life is prolonged.

2. The clamp spring of the handlebar structure is an elastic clamp spring, and the clamp spring is clamped in the first groove and the second groove in an unstressed state; the elastic clamp spring is convenient for installing the handlebar stand pipe and the front fork stand pipe, is compressed in the assembling process, and is sprung out at the first groove and the second groove after the assembling is completed, and the displacement of the handlebar stand pipe in the up-down direction is limited.

3. The second connecting part of the handlebar structure is a spline, and the first connecting part is a corresponding spline housing; the utility model uses spline connection to replace traditional screw connection; because each key tooth of spline is even at handlebar steering process atress, so firm more reliable, life is high, simultaneously the spline is because of its form for part on the riser is better with the centering and the guidance quality of riser, can effectively prevent that the handlebar from appearing the condition of not centering on whole car.

4. The two sides of a spline housing of the handlebar structure are respectively provided with a first chamfer and a second chamfer, wherein the inclined surfaces of the first chamfer and the second chamfer are arranged towards the spline housing; the outer edge of the second annular raised strip is also provided with a third chamfer, and the inclined plane of the third chamfer is parallel to the inclined plane of the second chamfer in the same vertical plane; the chamfering is arranged to facilitate the assembly and disassembly of the handlebar stand pipe and the front fork stand pipe.

5. The handle bar and the handle bar vertical tube of the handle bar structure are integrally formed; the integrated design is adopted, the number of parts is reduced, and the space outside the pipe material can be used for arranging other parts.

6. The inner diameter of the first annular raised strip is larger than or equal to the outer diameter of the second annular raised strip, and the difference between the inner diameter of the first annular raised strip and the outer diameter of the second annular raised strip is 0-0.5mm; the inside diameter of the first annular raised strip is guaranteed not to be smaller than the outside diameter of the second annular raised strip so as to ensure that the front fork vertical pipe cannot be clamped by the chamfer and the bulge inside the handle bar vertical pipe in the process of inserting the handle bar vertical pipe.

7. The depth of the spline of the handlebar structure and the key groove of the spline housing is 0.8-1.2mm; the key groove is shallower, stress concentration at the tooth root is smaller, and the service life of the spline can be prolonged.

8. The number of teeth of the spline and the spline housing of the handlebar structure is 32-40; the multiple teeth are meshed, the total contact area is larger, so that the load can be borne greatly, and when the load is impacted by external force, the deformation is smaller, and the steering performance is not influenced.

9. The front fork is connected with one end of the front fork vertical pipe far away from the handle vertical pipe; the front fork is used for connecting and fixing the front wheel of the bicycle.

10. The utility model also provides a vehicle, which comprises wheels, a frame and the handlebar structure, wherein the handlebar structure is connected with the frame and the front wheels; has the same beneficial effects as the handlebar structure and is not described in detail herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A handlebar structure, characterized in that: the novel bicycle comprises a handlebar, a handlebar vertical pipe and a front fork vertical pipe, wherein the handlebar is fixed at one end of the handlebar vertical pipe, a first annular convex strip and a first connecting part are sequentially arranged on the inner wall of the other end of the handlebar vertical pipe, and a first groove is defined by the first annular convex strip and the first connecting part; the outer wall of the front fork vertical tube, which is close to one end of the handlebar vertical tube, is sequentially provided with a second annular raised line and a second connecting part, and the second annular raised line and the second connecting part define a second groove; the handlebar vertical pipe and the front fork vertical pipe are coupled and connected through the first connecting part and the second connecting part; and a clamp spring is fixed in the second groove, and is also clamped in the first groove when the handlebar vertical pipe is coupled with the front fork vertical pipe.

2. The handlebar structure of claim 1, wherein: the clamping springs are elastic clamping springs, and the clamping springs are clamped in the first grooves and the second grooves in an unstressed state.

3. The handlebar structure of claim 1, wherein: the second connecting part is a spline, and the first connecting part is a corresponding spline housing.

4. The handlebar structure of claim 3, wherein: the two sides of the spline housing are respectively provided with a first chamfer and a second chamfer, wherein the inclined surfaces of the first chamfer and the second chamfer face the spline housing; the outer edge of the second annular raised strip is also provided with a third chamfer, and the inclined plane of the third chamfer is parallel to the inclined plane of the second chamfer in the same vertical plane.

5. The handlebar structure of claim 1, wherein: the handle bar and the handle bar vertical tube are integrally formed.

6. The handlebar structure of claim 1, wherein: the inner diameter of the first annular raised strip is larger than or equal to the outer diameter of the second annular raised strip, and the difference between the inner diameter of the first annular raised strip and the outer diameter of the second annular raised strip is 0-0.5mm.

7. The handlebar structure of claim 3, wherein: the depth of the key groove of the spline and the spline housing is 0.8-1.2mm.

8. The handlebar structure of claim 3, wherein: the number of teeth of the spline and the spline housing is 32-40.

9. The handlebar structure of claim 1, wherein: and one end of the front fork vertical pipe, which is far away from the handlebar vertical pipe, is also connected with a front fork.

10. A vehicle, characterized in that: the vehicle comprising a wheel, a frame and a handlebar structure as claimed in any one of claims 1 to 9, the handlebar structure connecting the frame and a front wheel.