Integrated head tube structure for a bicycle frame

Abstract

The utility model discloses an integrated frame head pipe structure belongs to frame head pipe field, it includes head pipe support, it has a triangular groove in it, the lateral support is arranged in the integral forming of the rear side of head pipe support, and it has a slot in the lateral support, support leg, the integral forming is arranged with a through -inserting barrel on it, and the through -inserting barrel can pass through from the head pipe support. The utility model discloses an integrated frame head pipe structure, through the support leg of arrangement, passes through the through -inserting barrel from the head pipe support, and makes the through -inserting barrel and multiple sets of gasket in extension section and touch, in the extension section is pressed to with head pipe support and touch, through the positioning screw is in turn from the built -in axle seat and the threaded cylinder and passes through, can quickly complete the installation and removal between support leg and handle section and head pipe support, avoided the situation that the head pipe structure is blow moulded integral forming and cannot carry out the split production of support leg, handle section, head pipe support.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle frame head tube, specifically relating to an integrated vehicle frame head tube structure. Background Technology

[0002] In existing technologies, the production of a one-piece bicycle frame head tube structure involves placing the raw material into a blow molding mold and then blow molding the one-piece head tube. Since the head tube structure is blow molded as a single piece, it is impossible to produce the support legs, handlebar sections, and head tube bracket separately. How to quickly assemble the support legs, handlebar sections, and head tube bracket after separate production has become an urgent technical problem to be solved.

[0003] This invention attempts to mitigate or at least alleviate such problems or defects by providing a new or otherwise improved frame head tube. Utility Model Content

[0004] In view of one or more of the above-mentioned defects or improvement needs of the existing technology, this utility model provides an integrated frame head tube structure, which has the advantage of being able to be quickly assembled from the support legs, handlebar sections and head tube bracket after separate production.

[0005] To achieve the above objectives, this utility model provides an integrated head tube structure, which includes a head tube bracket with a triangular groove inside. A side support is integrally formed on the rear side of the head tube bracket, and a slot is provided in the side support. The support leg has an integrally formed insert tube that can pass through the head tube support and has a threaded tube inside. The grip section has an extension section, in which a built-in collar, a built-in rubber ring, and multiple sets of gaskets are arranged sequentially from top to bottom. The extension section can be passed through by the insert tube, and a built-in shaft seat is also present in the extension section. A positioning screw that can pass through the built-in bearing.

[0006] As a further improvement of this utility model, the insert cylinder can abut against multiple sets of the gaskets, and the threaded cylinder of the insert cylinder can be passed through by the positioning screw.

[0007] As a further improvement of this utility model, a rubber sleeve is provided at both ends of the grip section, and the diameter of the rubber sleeve is adapted to the diameter of the grip section.

[0008] As a further improvement of this utility model, a connecting hole is also provided through the bottom of the side support, and the diameter of the connecting hole is adapted to the diameter of the side support.

[0009] As a further improvement of this utility model, a limiting ring can be detachably installed in the connecting hole, and the limiting ring has multiple sets of limiting protrusions, which are distributed in a circular array along the center of the cross-section of the limiting ring.

[0010] As a further improvement of this utility model, a guide hole is also provided at the bottom foot of the support leg, and the diameter of the guide hole is adapted to the diameter of the bottom foot of the support leg.

[0011] As a further improvement of this utility model, the bottom of the triangular groove also has a first wear-resistant pad, and the diameter of the wear-resistant pad is adapted to the diameter of the triangular groove.

[0012] As a further improvement of this utility model, a second wear-resistant pad is provided at the bottom of the side support, and the diameter of the second wear-resistant pad is adapted to the diameter of the side support.

[0013] In summary, the beneficial effects of the above-described technical solutions conceived by this utility model compared with the prior art include: This utility model's integrated head tube structure uses support legs to allow the insert tube to pass through the head tube bracket and into the extension section to abut against multiple sets of gaskets. The extension section is then pressed into contact with the head tube bracket. By sequentially passing positioning screws through the built-in axle seat and threaded cylinder, the installation and disassembly of the support legs and handlebar section to the head tube bracket can be completed quickly. This avoids the situation where the head tube structure is blow-molded as a whole, making it impossible to quickly assemble the support legs, handlebar section, and head tube bracket. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the integrated head tube frame of this utility model; Figure 2 This is a structural schematic diagram of the integrated head tube structure of the present invention from another angle; Figure 3 This is a schematic diagram of the overall structure of the grip section of this utility model; Figure 4 This is a schematic diagram of the overall structure of the head tube support of this utility model; Figure 5 This utility model Figure 4 Enlarged view of point A; Figure 6 This is a schematic diagram of the overall structure of the support leg of this utility model.

[0015] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically: 1. Head tube bracket; 11. Triangular groove; 12. Side support; 13. Slot; 2. Support leg; 21. Insertion tube; 3. Handle section; 31. Built-in collar; 32. Built-in rubber ring; 33. Washer; 34. Positioning screw; 35. Built-in bearing seat; 4. Limiting ring; 41. Limiting protrusion. Detailed Implementation

[0016] 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.

[0017] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. The terms “comprising,” “including,” etc., as used herein indicate the presence of the stated features, steps, operations, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, or components.

[0018] All terms used herein (including technical and scientific terms) have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein are to be interpreted in a manner consistent with the context of this specification, and not in an idealized or overly rigid way.

[0019] In the embodiments, by Figure 1-6 Presented is an integrated head tube frame structure, wherein, Figure 1 This is a schematic diagram of the overall structure of the integrated head tube frame of this utility model; Figure 2 This is a structural schematic diagram of the integrated head tube structure of the present invention from another angle; Figure 3 This is a schematic diagram of the overall structure of the grip section of this utility model; Figure 4 This is a schematic diagram of the overall structure of the head tube support of this utility model; Figure 5 This utility model Figure 4 Enlarged view of point A; Figure 6This is a schematic diagram of the overall structure of the support leg of this utility model. It includes a head tube bracket 1 with a triangular groove 11 inside. A side support 12 is integrally formed on the rear side of the head tube bracket 1, and a slot 13 is provided in the side support 12. The support leg 2 has an insert tube 21 integrally formed on it, and the insert tube 21 can pass through the head tube bracket 1. A threaded cylinder is also provided inside the insert tube 21. The handle section 3 has an extension section, and an internal collar 31, an internal rubber ring 32, and multiple sets of gaskets 33 are arranged sequentially from top to bottom in the extension section. The insert tube 21 can pass through the extension section, and an internal bearing 35 is also provided in the extension section. A positioning screw 34 can pass through the internal bearing 35. The overall concept of this utility model is that, through the arranged support legs 2, the insert tube 21 passes through the head tube bracket 1, and the insert tube 21 is inserted into the extension section to abut against multiple sets of gaskets 33. The extension section is then pressed to abut against the head tube bracket 1. By passing the positioning screw 34 through the built-in bearing 35 and the threaded cylinder in sequence, the installation and disassembly of the support legs 2 and the handle section 3 to the head tube bracket 1 can be completed quickly. This avoids the situation where the support legs 2, handle section 3 and head tube bracket 1 cannot be quickly assembled when the head tube structure is blow-molded as a whole.

[0020] In some embodiments, more specifically, in order to enable quick assembly between the extension and the insert 21, the insert 21 is able to abut against multiple sets of gaskets 33, and the threaded tube of the insert 21 is able to be passed through by the positioning screw 34.

[0021] In some embodiments, in order to make the use of the grip section 3 more convenient, a rubber sleeve is provided at both ends of the grip section 3, and the diameter of the rubber sleeve is adapted to the diameter of the grip section 3.

[0022] In some embodiments, more specifically, a connecting hole is provided through the bottom of the side support 12, and the diameter of the connecting hole is adapted to the diameter of the side support 12.

[0023] In some embodiments, more specifically, in order to facilitate a more stable connection between the side support 12 and the sleeve, a limiting ring 4 is detachably installed in the connection hole, and multiple sets of limiting protrusions 41 are provided in the limiting ring 4, which are distributed in a circular array along the center of the cross-section of the limiting ring 4. In some embodiments, more specifically, the sleeve is passed through the limiting ring 4, and the limiting protrusion 41 passes through multiple sets of slots in the sleeve, so that the connection between the limiting ring 4 and the sleeve can be completed quickly and stably.

[0024] In some embodiments, more specifically, in order to facilitate quick connection between the support leg 2 and other support members, a guide hole is provided at the bottom foot of the support leg 2, and the diameter of the guide hole is adapted to the diameter of the bottom foot of the support leg 2.

[0025] In some embodiments, more specifically, the bottom of the triangular groove 11 also has a first wear-resistant pad, and the diameter of the wear-resistant pad is adapted to the diameter of the triangular groove 11.

[0026] In some embodiments, more specifically, a second wear-resistant pad is provided at the bottom of the side support 12, and the diameter of the second wear-resistant pad is adapted to the diameter of the side support 12.

[0027] In summary, by using the support legs 2, the insert tube 21 passes through the head tube bracket 1 and is inserted into the extension section to abut against multiple sets of gaskets 33. The extension section is then pressed to abut against the head tube bracket 1. By passing the positioning screws 34 sequentially through the built-in bearing 35 and the threaded cylinder, the installation and disassembly of the support legs 2 and the handle section 3 to the head tube bracket 1 can be completed quickly. This avoids the situation where the support legs 2, handle section 3, and head tube bracket 1 cannot be quickly assembled due to the blow molding of the head tube structure.

[0028] It should also be noted that the outside of the insert tube 21 also has a support member, and the outside of the insert tube 21 also has an insert block. It is assembled in an embedded direction, which makes the appearance more beautiful and can achieve a more aesthetically pleasing result. This is equivalent to correcting the unsightly appearance and overall inconsistency of the insert tube when the left and right screws are locked together in the prior art.

[0029] It should also be noted that the gasket 33 is composed of multiple sub-gaskets of different thicknesses. This is mainly to facilitate the selection of a more suitable assembly gap during assembly, and it is also more aesthetically pleasing. In the process of requiring the production dimensions of the frame head tube, it is equivalent to a higher tolerance for error and a greater flexibility in selection.

[0030] 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 one-piece frame head tube structure, characterized in that, It includes The head tube support (1) has a triangular groove (11) inside. A side support (12) is integrally formed on the rear side of the head tube support (1). A slot (13) is provided in the side support (12). The support leg (2) has an integrally formed insert tube (21) on it, and the insert tube (21) can pass through the head tube support (1). The insert tube (21) also has a threaded tube inside. The grip section (3) has an extension section, in which a built-in collar (31), a built-in rubber ring (32), and multiple sets of gaskets (33) are arranged sequentially from top to bottom. The extension section can be passed through by the insert tube (21), and a built-in bearing (35) is also provided in the extension section. A positioning screw (34) that can pass through the built-in bearing (35).

2. The integrated head tube structure according to claim 1, characterized in that, The insert sleeve (21) can abut against each other with multiple sets of the gaskets (33), and the threaded sleeve of the insert sleeve (21) can be passed through by the positioning screw (34).

3. The integrated head tube structure according to claim 2, characterized in that, At both ends of the grip section (3), there is a rubber sleeve, and the diameter of the rubber sleeve is compatible with the diameter of the grip section (3).

4. The integrated head tube structure of the vehicle frame according to claim 1, characterized in that, A connecting hole is also provided at the bottom of the side support (12), and the diameter of the connecting hole is adapted to the diameter of the side support (12).

5. The integrated head tube structure according to claim 4, characterized in that, A limiting ring (4) can be detachably installed in the connecting hole, and multiple sets of limiting protrusions (41) are provided in the limiting ring (4). The multiple sets of limiting protrusions (41) are distributed in a circular array along the center of the cross-section of the limiting ring (4).

6. The integrated head tube structure according to claim 1, characterized in that, A guide hole is also provided at the bottom foot of the support leg (2), and the diameter of the guide hole is compatible with the diameter of the bottom foot of the support leg (2).

7. The integrated head tube structure according to claim 6, characterized in that, The bottom of the triangular groove (11) also has a first wear-resistant pad, and the diameter of the wear-resistant pad is compatible with the diameter of the triangular groove (11).

8. The integrated head tube structure according to claim 7, characterized in that, The bottom of the side support (12) also has a second wear-resistant pad, and the diameter of the second wear-resistant pad is adapted to the diameter of the side support (12).

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