Hidden wiring structure of bicycle frame

Abstract

The utility model relates to the technical field of bicycles, in particular to a bicycle frame hidden type wiring structure which comprises an installation opening which is formed in a frame tubular beam and penetrates through the wall thickness direction. A mounting plate is mounted in the mounting opening; the mounting plate is provided with a mounting and fixing structure and is fixedly connected to a frame tubular beam; two mounting holes are formed in the mounting plate at intervals, mounting blocks with cylindrical structural design are arranged in the mounting holes, and threading holes are axially formed in the mounting blocks in a penetrating mode and used for allowing a rear brake cable and a speed regulation cable to penetrate through correspondingly; the mounting hole comprises a threaded hole section at the outer end, a conical matching hole section in the middle and a wire outlet hole section at the inner end; the mounting block comprises an operation column section which is arranged in the threaded hole section in a threaded matching manner at the outer end and a conical column section which is arranged in the conical matching hole section in a matching manner at the inner end; the rear brake cable fixing device is simpler and more compact in structural design, and a rear brake cable and a speed regulating cable can be adjusted and fixed more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a hidden wiring structure of a bicycle frame. Background Art

[0002] The bicycle structure includes brake cables and speed regulating cables, and the brake cables include front brake cables and rear brake cables. The front brake cables are usually arranged directly on the outside along the frame tube beam; the rear brake cables and speed regulating cables are usually arranged along the frame tube beam. In order to improve the overall appearance of the frame, a hidden wiring structure is adopted in the prior art, in which threading holes are set on the frame tube beam, and the rear brake cables and speed regulating cables are arranged inside along the tube beam.

[0003] However, in the existing hidden wiring structure, due to the unreasonable structural design, the position of the threading hole on the frame tube beam is not convenient for fixing the rear brake cable and the speed regulating cable, and the rear brake cable and the speed regulating cable are easy to loosen. Secondly, it is not convenient to adjust the length of the rear brake cable and the speed regulating cable extending into the frame tube beam.

[0004] Therefore, how to design a hidden wiring structure for a bicycle frame that is simpler and more reasonable in structure, can more conveniently fix the rear brake cable and the speed regulating cable, and can more conveniently adjust the extension length of the rear brake cable and the speed regulating cable has become a technical problem to be solved by technical personnel in this field. Utility Model Content

[0005] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is how to design a hidden wiring structure for a bicycle frame which has a simpler and more reasonable structural design, can more conveniently fix the rear brake cable and the speed regulating cable, and can more conveniently adjust the extension length of the rear brake cable and the speed regulating cable.

[0006] To achieve the above-mentioned purpose, the utility model provides a hidden wiring structure of a bicycle frame, comprising a mounting opening arranged on a tube beam of the frame and penetrating in the direction of the wall thickness; a mounting plate is installed in the mounting opening; it is characterized in that: a mounting fixing structure is provided on the mounting plate and is connected and fixed on the tube beam of the frame; two mounting holes are arranged at intervals on the mounting plate, a mounting block of cylindrical structure design is arranged in the mounting hole, a threading hole is axially penetrated on the mounting block and each corresponding to the rear brake line and the speed regulating line pass through; the mounting hole comprises a threaded hole section at the outer end, a conical matching hole section in the middle and a wire outlet hole section at the inner end, the mounting block comprises an operating column section at the outer end which is threaded and matched in the threaded hole section and a conical column section at the inner end which is matched and matched in the conical matching hole section; a plurality of shrinkage openings arranged in the axial direction and penetrating in the direction of the wall thickness are provided on the conical column section; and after the mounting block moves inward in the mounting hole, the conical column section can be retracted inward and clamped on the rear brake line and the speed regulating line.

[0007] In this way, in the above-mentioned hidden wiring structure of the bicycle frame, by designing two threading holes and arranging the rear brake wire and the speed regulating wire respectively, the rear brake wire and the speed regulating wire can be arranged respectively better, and the two can be better prevented from being entangled. And when the rear brake wire and the speed regulating wire need to be adjusted, by rotating and adjusting the position of the mounting block in the mounting hole, the tapered column section can be retracted inward and clamped on the rear brake wire and the speed regulating wire, and the tapered column section can also loosen the clamping of the rear brake wire and the speed regulating wire, so that the length of the rear brake wire and the speed regulating wire extending into the frame pipe beam can be adjusted more conveniently, and after adjusting to a suitable length, the rear brake wire and the speed regulating wire can be clamped and fixed.

[0008] As an optimization, the outer end of the mounting block extends outward from the mounting hole to form an operating section, and the cross-section of the operating section is designed to be a hexagonal structure.

[0009] In this way, the mounting block can be rotated in the mounting hole more conveniently through the operating section, and the operation is more convenient.

[0010] As an optimization, a circle of matching flanges with an overall ring-shaped structure is protruding on the surface of the frame tube beam and corresponding to the outer side of the mounting opening contour; the mounting plate includes a mounting portion in the middle that is installed in the mounting opening; the mounting plate also includes a matching portion on the outer side, and the contour of the matching portion matches the inner contour of the matching flange and the matching portion is installed inside the matching flange; the mounting plate also includes two mounting protrusions on the inner side that protrude inward, and the mounting hole passes through the matching portion, the mounting portion and the mounting protrusion arrangement.

[0011] In this way, it is more convenient to install and limit the mounting plate, and the structural design is more reliable. It is also more convenient to arrange the mounting holes, making the entire structural design more compact.

[0012] As an optimization, the mounting and fixing structure includes a fixing column integrally formed on the inner side of the mounting plate, a connecting column is protrudingly provided inside the frame tube beam corresponding to the fixing column, and a connecting hole is provided on the outer surface of the mounting plate, and a connecting screw is provided inside the connecting hole and threadedly connected to the connecting column.

[0013] In this way, the mounting plate can be better mounted and fixed on the frame tube beam, and it is also convenient for disassembly and assembly.

[0014] As an optimization, the inner end of the fixing column has a matching hole, and the distal end of the fixing column is inserted into the matching hole.

[0015] In this way, the fixed structure design is more reasonable, which can make it easier to assemble and connect the two.

[0016] As an optimization, the fixing column is located between two mounting protrusions.

[0017] In this way, the positions of the fixing columns and the mounting protrusions are arranged more reasonably.

[0018] As an optimization, the connecting hole comprises a receiving hole section at the outer end, and the receiving hole section is used to conceal a screw head of the connecting screw.

[0019] In this way, the screw heads of the connecting screws can be better hidden.

[0020] As an optimization, the mounting opening is designed as a whole in a rectangular structure, and the mounting plate is designed as a whole in a rectangular plate structure.

[0021] In this way, the shape design of the installation opening is more reasonable and more convenient to process and manufacture.

[0022] As an optimization, the mounting plate and the mounting block are both made of plastic material.

[0023] In this way, the processing and manufacturing of the mounting plate and the mounting block can be more convenient.

[0024] As an optimization, the mounting opening is arranged on the right side surface of the frame tube beam.

[0025] In this way, the position design of the mounting opening on the frame tube beam is more reasonable.

[0026] To sum up, in the above structure, the entire structural design is simpler, more reasonable and more compact; and through the structural design of the mounting holes and the mounting blocks, it is more convenient to fix the rear brake cable and the speed regulating cable, and it is also more convenient to adjust the extension length of the rear brake cable and the speed regulating cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of a bicycle frame hidden wiring structure in a specific implementation manner of the utility model.

[0028] Figure 2 yes Figure 1 A locally enlarged schematic diagram of position A in FIG.

[0029] Figure 3 yes Figure 1 BB cross-sectional view in the figure (the mounting block is not cut).

[0030] Figure 4 yes Figure 3 Schematic diagram of a partial enlargement of the C position in FIG.

[0031] Figure 5 yes Figure 1 BB cross-sectional view in FIG. 1 (the mounting block is cut away in the figure).

[0032] Figure 6 yes Figure 5 A locally enlarged schematic diagram of the D position in FIG.

[0033] Figure 7 yes Figure 1 EE cross-sectional diagram in . DETAILED DESCRIPTION

[0034] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific manner, and therefore cannot be understood as a limitation on the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] like Figures 1 to 7 The invention discloses a hidden wiring structure for a bicycle frame, comprising a mounting opening arranged on a frame tube beam 1 and extending through a wall thickness direction; a mounting plate 2 is installed in the mounting opening; a mounting fixing structure is provided on the mounting plate and is connected and fixed to the frame tube beam; two mounting holes are arranged at intervals on the mounting plate, a mounting block 3 of cylindrical structure design is arranged in the mounting hole, a threading hole is axially provided on the mounting block and each of which is corresponding to a rear brake line 4 and a speed regulating line 5 passing through; the mounting hole comprises a threaded hole section 6 at the outer end, a tapered matching hole section 7 in the middle and a wire outlet hole section 8 at the inner end, the mounting block comprises an operating column section 9 arranged in the threaded hole section by a thread at the outer end and a tapered column section 10 arranged in the tapered matching hole section at the inner end; a plurality of shrinkage openings 11 arranged in the axial direction and extending through a wall thickness direction are provided on the tapered column section; and after the mounting block moves inwardly in the mounting hole, the tapered column section can be retracted inwardly and clamped on the rear brake line and the speed regulating line.

[0036] In this way, in the above-mentioned hidden wiring structure of the bicycle frame, by designing two threading holes and arranging the rear brake wire and the speed regulating wire respectively, the rear brake wire and the speed regulating wire can be arranged respectively better, and the two can be better prevented from being entangled. And when the rear brake wire and the speed regulating wire need to be adjusted, by rotating and adjusting the position of the mounting block in the mounting hole, the tapered column section can be retracted inward and clamped on the rear brake wire and the speed regulating wire, and the tapered column section can also loosen the clamping of the rear brake wire and the speed regulating wire, so that the length of the rear brake wire and the speed regulating wire extending into the frame pipe beam can be adjusted more conveniently, and after adjusting to a suitable length, the rear brake wire and the speed regulating wire can be clamped and fixed.

[0037] In this specific implementation, the outer end of the mounting block extends outward from the mounting hole to form an operating section 12, and the cross section of the operating section is designed to be a hexagonal structure.

[0038] In this way, the mounting block can be rotated in the mounting hole more conveniently through the operating section, and the operation is more convenient.

[0039] In this specific embodiment, a circle of matching flange 13 with an overall ring-shaped structure is protruded on the surface of the frame tube beam and corresponds to the outer side of the mounting opening contour; the mounting plate includes a mounting portion 14 in the middle that is installed in the mounting opening; the mounting plate also includes a matching portion 15 on the outer side, and the contour of the matching portion matches the inner contour of the matching flange and the matching portion is installed inside the matching flange; the mounting plate also includes two mounting protrusions 16 on the inner side that protrude inward, and the mounting hole is arranged to pass through the matching portion, the mounting portion and the mounting protrusion.

[0040] In this way, it is more convenient to install and limit the mounting plate, and the structural design is more reliable. It is also more convenient to arrange the mounting holes, making the entire structural design more compact.

[0041] In this specific embodiment, the installation and fixing structure includes a fixing column 17 integrally formed on the inner side of the mounting plate, a connecting column 18 is protrudingly provided inside the frame tube beam corresponding to the fixing column, and a connecting hole 19 is provided on the outer surface of the mounting plate, and a connecting screw is provided inside the connecting hole and threadedly connected to the connecting column.

[0042] In this way, the mounting plate can be better mounted and fixed on the frame tube beam, and it is also convenient for disassembly and assembly.

[0043] In this specific embodiment, the inner end of the fixing column has a matching hole 20, and the distal end of the fixing column is inserted into the matching hole.

[0044] In this way, the fixed structure design is more reasonable, which can make it easier to assemble and connect the two.

[0045] In this specific implementation, the fixing column is located between two mounting protrusions.

[0046] In this way, the positions of the fixing columns and the mounting protrusions are arranged more reasonably.

[0047] In this specific embodiment, the connecting hole includes a receiving hole section 21 at the outer end, and the receiving hole section is used to hide the screw head of the connecting screw.

[0048] In this way, the screw heads of the connecting screws can be better hidden.

[0049] In this specific implementation, the installation opening is designed as a whole in a rectangular structure, and the installation plate is designed as a whole in a rectangular plate structure.

[0050] In this way, the shape design of the installation opening is more reasonable and more convenient to process and manufacture.

[0051] In this specific implementation manner, the mounting plate and the mounting block are both made of plastic material.

[0052] In this way, the processing and manufacturing of the mounting plate and the mounting block can be more convenient.

[0053] In this specific implementation manner, the mounting opening is arranged on the right side surface of the frame tube beam.

[0054] In this way, the position design of the mounting opening on the frame tube beam is more reasonable.

[0055] To sum up, in the above structure, the entire structural design is simpler, more reasonable and more compact; and through the structural design of the mounting holes and the mounting blocks, it is more convenient to fix the rear brake cable and the speed regulating cable, and it is also more convenient to adjust the extension length of the rear brake cable and the speed regulating cable.

[0056] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A bicycle frame hidden wiring structure, comprising a mounting opening arranged on a frame tube beam and extending through the wall thickness direction; a mounting plate is installed in the mounting opening; and the structure is characterized in that ; The mounting plate is provided with a mounting and fixing structure and is connected and fixed on the frame tube beam; two mounting holes are arranged at intervals on the mounting plate, and a mounting block with a cylindrical structure design is arranged in the mounting hole, and a threading hole is axially penetrated on the mounting block and each corresponding to the rear brake line and the speed regulating line pass through; the mounting hole includes a threaded hole section at the outer end, a tapered matching hole section in the middle and a wire outlet hole section at the inner end, and the mounting block includes an operating column section with a threaded fit at the outer end arranged in the threaded hole section and a tapered column section at the inner end arranged in the tapered matching hole section; a plurality of shrinkage openings arranged along the axial direction and penetrating the wall thickness direction are provided on the tapered column section; and after the mounting block moves inward in the mounting hole, the tapered column section can be retracted inward and clamped on the rear brake line and the speed regulating line.

2. A bicycle frame hidden wiring structure as claimed in claim 1, characterized in that: The outer end of the mounting block extends outward from the mounting hole to form an operating section, and the cross section of the operating section is designed to be a hexagonal structure.

3. A bicycle frame hidden wiring structure as claimed in claim 1, characterized in that: A circle of matching flanges with an overall annular structure is protruding on the surface of the frame tube beam and corresponding to the outer side of the mounting opening contour; the mounting plate includes a mounting portion in the middle that is installed in the mounting opening; the mounting plate also includes a matching portion on the outer side, and the contour of the matching portion matches the inner contour of the matching flange and the matching portion is installed inside the matching flange; the mounting plate also includes two mounting protrusions on the inner side that protrude inward, and the mounting hole is arranged to pass through the matching portion, the mounting portion and the mounting protrusion.

4. A bicycle frame hidden wiring structure as claimed in claim 3, characterized in that: The mounting and fixing structure includes a fixing column integrally formed on the inner side of the mounting plate, a connecting column protruding inside the frame tube beam corresponding to the fixing column, and a connecting hole is provided on the outer surface of the mounting plate, and a connecting screw is provided inside the connecting hole and threadedly connected to the connecting column.

5. A bicycle frame hidden wiring structure as claimed in claim 4, characterized in that: The inner end of the fixing column is provided with a matching hole, and the distal end of the fixing column is inserted into the matching hole.

6. A bicycle frame hidden wiring structure as claimed in claim 4, characterized in that: The fixing column is located between the two mounting protrusions.

7. A bicycle frame hidden wiring structure as claimed in claim 4, characterized in that: The connecting hole comprises an accommodating hole section at the outer end, and the accommodating hole section is used for hiding the screw head of the connecting screw.

8. The bicycle frame hidden wiring structure according to claim 1, characterized in that: The mounting opening is designed as a whole in a rectangular structure, and the mounting plate is designed as a whole in a rectangular plate structure.

9. The bicycle frame hidden wiring structure according to claim 1, characterized in that: The mounting plate and the mounting block are both made of plastic material.

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