TWI551498B - Cartridge headset for bicycle - Google Patents

Description

Bicycle head set

The present invention relates to a bowl, and more particularly to a bicycle head set.

The structure of the headrest of a general bicycle is disclosed in the patent TWI460095, which comprises at least a bowl, a bearing, a pressing member and a covering member, the pressing member is disposed on the inner side of the bearing and the covering member cover The pressing member is disposed, and the pressing member and the covering member are rotated relative to the receiving bowl by the bearing.

However, the above-mentioned structure does not have a way of squeezing the bearing by, for example, driving, so that the bearing of the above structure is easy to loose during the riding of the bicycle, resulting in unstable use function; furthermore, how to further improve assembly The stability of the structure and the structural strength, so that the head cup can maintain stable rotation function and good functional quality during use, and avoid failure, which is also the goal of the research of the present invention.

Therefore, it is necessary to provide a novel and progressive bicycle headrest to solve the above problems.

The main object of the present invention is to provide a bicycle head set which can be driven to make the Palin closely fit and position, and can produce stable rotation and adjust the positioning of the pressing; In addition, the front end of the bicycle can be loosened by the card fastener, and the bicycle can be more stable during the riding process. In addition, the assembled portion can be assembled to further stabilize the assembled structure and structure. Good strength and functional stability.

In order to achieve the above object, the present invention provides a bicycle headstock set for a front fork steering tube and disposed between a head pipe and a handle riser, comprising: an upper fixing component having a a first abutting portion of the handle riser abutting along an axial direction; a first threaded portion is disposed on the circumference; the lower fixing assembly has a second abutting portion for abutting the head pipe in the axial direction, and a circumference is provided a second threaded portion, the first threaded portion and the second threaded portion are adjustably screwed together; and a fastener that adjustably abuts against at least one of the upper and lower fixing components.

1‧‧‧ head bowl

212‧‧‧ Under the wall

10‧‧‧Upper assembly

213‧‧‧ spacers

11‧‧‧ first arrival

214‧‧‧Dust-proof parts

111‧‧‧Let on the wall

22‧‧‧Second thread

112‧‧‧Flexible ring

23‧‧‧Bottom ring

113‧‧‧Slots

24‧‧‧Second inner hole

12‧‧‧First threaded part

25‧‧‧Slope

13‧‧‧Upper ring

30‧‧‧Card Firmware

14‧‧‧ First inner hole

31‧‧‧Inner hole

141‧‧‧Flange

32‧‧‧ External thread

20‧‧‧Under fixed components

40‧‧‧Mate

21‧‧‧ second arrival

41‧‧‧ Groove

211‧‧ ‧ Palin components

100‧‧‧ front fork steering tube

2111‧‧‧First support

200‧‧‧ head tube

2112‧‧‧second support

300‧‧‧Handle riser

2113‧‧ ‧ Palin

1 is a schematic view of a preferred embodiment of the present invention.

Figure 2 is a cross-sectional view of the preferred embodiment of the present invention.

Figure 3 is an exploded view of the preferred embodiment of the present invention.

Figure 4 is another cross-sectional view of the preferred embodiment of the present invention.

Figure 5 is a schematic view showing the state of use of the preferred embodiment of the present invention.

Figure 6 is a schematic view showing another use state of the preferred embodiment of the present invention.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Please refer to FIG. 1 to FIG. 6, which illustrate a preferred embodiment of the present invention, and the present invention. A bicycle head set 1 is provided between a front fork steering tube 100 and between a head tube 200 and a handle riser 300. The front head set 1 includes an upper fixing assembly 10 and a lower fixing assembly 20 With a card firmware 30.

The upper fixing component 10 has a first abutting portion 11 which can abut against the handle riser 300 in an axial direction, and the lower fixing component 20 has a spring abutment with the head pipe 200. a second abutting portion 21, and a first threaded portion 12 is disposed around the upper fixing component 10, and a second threaded portion 22 is disposed around the lower fixing component 20, and further, the first threaded portion 12 is On the inner surface of the upper fixing component 10, the second threaded portion 22 can be disposed on the outer surface of the lower fixing component 20 (however, in other possible embodiments, the first threaded portion 12 and the second threaded portion 22 The upper fixing component 20 can be at least partially inserted into the upper fixing component 10, and the first screwing component 12 and the lower threaded component 12 can be respectively disposed on the outer surface of the upper fixing component 10 and the inner surface of the lower fixing component 20 The second threaded portion 22 is adjustably screwed to each other such that the upper threaded assembly 10 and the lower fixed component 20 can be rotated by the first threaded portion 12 and the second threaded portion 22 to generate relative movement. For example, the upper fixing component 10 and the lower fixing component 20 can be away from each other along the axial direction or Nearly.

For example, in the embodiment, the upper fixing component 10 and the lower fixing component 20 can respectively have an upper ring member 13 and a lower ring member 23, and the upper ring member 13 and the lower ring member 23 can be sleeved with each other and can be The pivot members are pivoted relative to each other along the axial direction, and the upper ring member 13 and the lower ring member 23 are coaxial. The upper ring member 13 and the lower ring member 23 can be, for example, other composite materials such as plastic or carbon fiber to reduce weight and improve ease of use.

Further, the upper ring member 13 and the lower ring member 23 respectively have a first inner hole 14 and a second inner hole 24, and the first inner hole 14 is continuous with the second inner hole 24 and is The front fork steering tube 100 is bored, and more specifically, the lower ring member 23 is movably inserted into the first inner hole 14, and the hole wall of the first inner hole 14 is radially inwardly convex. A flange 141 is provided which can abut against the lower ring member 23 such that the lower ring member 23 can abut, for example, the flange 141. The outer diameter of the upper ring member 13 can be smaller than the maximum outer diameter of the lower ring member 23, and the outer peripheral surface of the lower ring member 23 can be circumferentially provided with a slope 25 which is gradually tapered toward the upper ring member. 13 extension.

The lower fixing component 20 is provided with a fitting portion 40 radially outwardly. At least a portion of the upper fixing component 10 can be engaged with the fitting portion 40. For example, the fitting portion 40 can be, for example, A recess 41 is defined, and one end of the upper fixing assembly 10 can be embedded in the recess 41. Further, in the embodiment, the lower ring member 23 can extend integrally radially outward to form the The fitting portion 40, the groove 41 can be substantially U-shaped for the upper ring member 13 to be embedded. It is to be noted that the upper fixing component 10 can be assembled with the fitting portion 40 to enable the upper fixing component 10 and the lower fixing component 20 to have a stable assembly structure with good structural strength. Functionally stable.

The fastener 30 is radially adjustable to one of the upper and lower fixing components 10, 20, and the fastener 30 is radially and tightly abuttable against the upper and lower fixing components 10, 20 The other one of the peripheral walls does not extend through the other of the upper and lower fixing members 10, 20, and further, the fastener 30 is adjustably inserted into the upper fixing assembly 10, and the fastening member 30 The upper fixing component 10 is disposed at one end and can be abutted against the lower fixing component 20 . For example, the outer surface of the upper fixing component 10 can be provided with an inner screw hole 31 , for example, the surface of the fastening component 30 can be set. An outer thread 32 is provided, and the outer thread 32 and the inner screw hole 31 are screwed to each other, and can be adjusted to abut the fastener member 30 against at least a portion of the second thread portion 22 to generate an urgent abutment. The effect, more specifically, the fastener 30 can be, for example, a stop screw and can be threaded through the upper ring member 13 and have opposite ends for each tool (for example, a hex wrench) to be adjusted and abutted. The ring member 23 can make the upper ring member 13 and the lower ring member 23 fixed to each other and cannot rotate relative to each other to achieve the fixing effect.

For example, the first abutting portion 11 can include a bearing wall 111 and an elastic ring member 112 disposed on one side of the upper ring member 13. The upper bearing wall 111 can be abutted against the handle riser 300. One side, for example, the inner surface of the upper ring member 13 is recessed, for example, with a slot 113. The elastic ring member 112 can be disposed in the slot 113, and the elastic ring member 112 can be abutted against the upper ring member. 13 is interposed between the front fork steering tube 100. The second abutting portion 21 can include, for example, a Palin assembly 211 disposed at one end of the lower ring member 23. The Palin assembly 211 can be assembled and assembled with the head tube 200. The Palin assembly 211 has a supply. The head tube 200 abuts against the wall 212.

The second abutting portion 21 can further include a spacer member 213 and a dustproof member 214. The spacer member 213 can be sandwiched between the lower ring member 23 and the Palin assembly 211, for example. For example, the forest assembly 211 can include a first support member 2111, a second support member 2112, and a Palin 2113. The Palin 2113 can be sandwiched between the first and second support members 2111, 2112. A support member 2111 and the second support member 2112 are relatively rotatable through the Palin 2113. More specifically, the first support member 2111 is in close contact with the lower ring member 23. One end edge of the second support member 2112 The lower bearing wall 212 is disposed and can be in abutment with the head tube 200. Therefore, the handle riser 300 and the head tube 200 can be rotated relative to each other by the Palin 2113. The dustproof member 214 is embedded in the lower ring member 23 and located on the side facing the outer portion of the Palin 2113. The dustproof member 214 prevents the dust impurities from the outside from contacting the Palin 2113 to cause the Palin 2113. The function is disabled, and the effect of protecting the Palin 2113 is further achieved.

In actual use, the user can rotate the upper fixing component 10 relative to the lower fixing component 20 to rotate in a separating direction (for example, clockwise rotation or counterclockwise rotation), so that the upper fixing component 10 and the lower fixing component The assembly 20 is moved upwards and downwards to abut the head tube 200 and the handle riser 300, and can make the ball or the bearing of the front head group 1 close to each other, thereby producing stable rotation and The effect of the tightening positioning is adjusted, and the fixing of the fastener 30 is made, so that the headstock 1 is not loosened, and the bicycle can be more stable during the riding process. In addition, when the user rotates the upper fixing component 10 and the lower fixing component 20 in the opposite direction of the separating direction, the upper fixing component 10 and the lower fixing component 20 can be brought close to each other, which is convenient for example. Disassembly work.

In summary, the bicycle head set of the present invention can be abutted with the head tube and the handle riser by rotation, so that the bowl of the front head group is closely fitted and positioned, and stable rotation and adjustment can be generated. The effect of the positioning is tight; in addition, the fixing of the card holder can make the head group not loose, and it can have a more stable effect during the riding of the bicycle; in addition, it can be assembled by the fitting portion. Further, it has a stable assembly structure, good structural strength, and stable functionality.

In summary, the overall structural design, practicability and efficiency of the present invention are indeed fully in line with the needs of industrial development, and the disclosed structural invention is also an unprecedented innovative structure, so it has "novelty" should Undoubtedly, the invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the requirements of the application requirements of the invention patents of the Chinese Patent Law, and is filed according to law, and please The bureau will review it early and give it affirmation.

1‧‧‧ head bowl

10‧‧‧Upper assembly

20‧‧‧Under fixed components

211‧‧ ‧ Palin components

30‧‧‧Card Firmware

Claims (10)

A bicycle head set is provided on a front fork steering tube and disposed between a head pipe and a handle riser, comprising: an upper fixing component having an axially offsetting the handle riser The first abutting portion is provided with a first threaded portion; the lower fixing assembly has a second abutting portion for abutting the head tube along the axial direction, and a second threaded portion is disposed on the circumference, the first threaded portion The threaded portion and the second threaded portion are adjustably screwed together; a fastener, the fastener is radially adjustable to one of the upper and lower fixing components, the fastener is radially adjustable The other side of the upper and lower fixing components is not firmly penetrated by the peripheral wall of the other of the upper and lower fixing components. The bicycle head set according to claim 1, wherein the lower fixing component is at least partially inserted into the upper fixing component, the first threaded portion is disposed on an inner surface of the upper fixing component, and the second threaded portion is It is disposed on the outer surface of the lower fixing component. The bicycle headrest of claim 2, wherein the fastener is adjustably inserted into the upper fixing component, and one end of the fastener passes through the upper fixing component and can be pressed against the lower fixing component. . The bicycle head set according to claim 3, wherein the outer surface of the upper fixing component is provided with an inner screw hole, and the surface of the fastener is provided with an external thread, and the outer thread is opposite to the inner screw hole. Screwing, the fastener is abuttable to at least a portion of the second threaded portion. The bicycle headrest of claim 2, wherein the lower fixing component is radially outwardly provided with a fitting portion, and at least a portion of the upper fixing component is fitted to the fitting portion. The bicycle head set according to claim 5, wherein the fitting portion defines a groove, One end of the upper fixing component is embedded in the groove. The bicycle headrest according to claim 5, wherein the upper and lower fixing components respectively have an upper ring member and a lower ring member, the upper and lower ring members are sleeved with each other and pivotable relative to each other along the axial direction. The upper outer diameter of the upper ring member is smaller than the maximum outer diameter of the lower ring member, and the outer peripheral surface of the lower ring member is provided with a sloped surface, and the outer diameter of the inclined surface is gradually extended toward the upper ring member, the upper and lower ring members Each has a first inner hole and a second inner hole, and the hole wall of the first inner hole has a flange protruding radially inwardly, and the flange can abut against the lower ring member, the fitting portion is The lower ring members are integrally connected. The bicycle headrest according to claim 7, wherein the first abutting portion includes a bearing wall disposed on one side of the upper ring member and an elastic ring member, the upper bearing wall abutting the One side of the handle riser, the inner surface of the upper ring member is recessed with a slot, the elastic ring member is disposed in the slot, and the elastic ring member is abutted between the upper ring member and the front fork steering tube . The bicycle head set according to claim 7, wherein the second abutting portion comprises a Palin assembly disposed at one end of the lower ring member, the Palin assembly is assembled and assembled with the head tube, the Palin The assembly has a bearing wall that abuts the head tube. The bicycle headrest according to claim 9, wherein the second abutting portion further comprises a spacer and a dustproof member, the spacer is sandwiched between the lower ring member and the Palin component. The forest assembly includes a first support member, a second support member and a Palin. The Palin is sandwiched between the first and second support members, and the first support member is in close contact with the lower ring member. One end edge of the second support member is provided with the lower bearing wall, and the dustproof member is embedded in the lower ring member and located on one side facing the outer portion of the Palin.