Bicycle head tube limiting piece

Abstract

The utility model belongs to the technical field of bicycles, and particularly relates to a bicycle head tube limiting piece which comprises a head tube, a front fork tube is arranged on the head tube, a water drop cover is arranged on the front fork tube, an adjusting tube is installed above the water drop cover, the adjusting tube comprises a threaded tube and a hexagonal clamping block, and the threaded tube is connected with the hexagonal clamping block. A handlebar vertical pipe is installed above the threaded pipe, a fixing assembly is installed above the handlebar vertical pipe, the adjusting pipe is installed on the water drop cover, the distance between the water drop cover and the handlebar vertical pipe can be adjusted, and therefore the height of the handlebar vertical pipe can be adjusted. And the efficiency of adjusting the handlebar vertical pipe is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of bicycle technology, specifically to a bicycle head tube limiting component. Background Technology

[0002] The head tube, like the "neck" of a bicycle, determines its stability and handling. It not only withstands impacts from the road surface but also affects riding comfort. The head tube is not only part of the bicycle's appearance but also a crucial component of its structure. It connects to the rest of the frame, supports the wheels and brakes, and is key to a smooth ride.

[0003] The head tube connects to the fork tube and handlebars of a bicycle, enabling flexible steering. Therefore, a limiting device is installed at the connection between the head tube and handlebars to prevent the fork from wobbling. Existing limiting devices place a washer between the teardrop cap and the handlebar to adjust the height of the handlebar seat tube, making the handlebar seat tube slightly higher than the fork tube. This allows for downward pressure on the handlebar seat tube when tightening the headset cap, thus securing the headset. However, due to different riding habits, the handlebar height varies from person to person. Existing technology requires adding or removing washer rings to adjust the handlebar height, and installation and removal are also very inconvenient. Therefore, a bicycle head tube limiting device is needed to address these issues. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the head tube limiting component, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a bicycle head tube limiting component. By installing an adjusting tube on the teardrop cover, the distance between the teardrop cover and the handlebar stem tube can be adjusted, thereby realizing the adjustment of the height of the handlebar stem tube. Compared with the existing technology of adding or removing washers, this greatly improves the efficiency of adjusting the handlebar stem tube.

[0007] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0008] A bicycle head tube limiting component, comprising a head tube;

[0009] The head tube is provided with a fork tube, the fork tube is provided with a water drop cover, an adjustment tube is installed above the water drop cover, the adjustment tube includes a threaded tube and a hexagonal locking block, the handlebar stem is installed above the threaded tube, and a fixing component is installed above the handlebar stem.

[0010] As a preferred embodiment of the bicycle head tube limiting component described in this utility model, the threaded tube is screwed to the teardrop cover at the bottom and abuts against the handlebar stem at the top.

[0011] As a preferred embodiment of the bicycle head tube limiting component described in this utility model, the fixing component includes a flower core, there are two flower cores, a threaded sleeve is installed between the two flower cores, a headset cap is installed above the flower core, a bolt is screwed onto the headset cap, and the bottom of the bolt is screwed into the threaded sleeve.

[0012] In a preferred embodiment of the bicycle head tube limiting component described in this utility model, the flower center is located in the inner cavity of the fork tube and is fixedly connected to the fork tube.

[0013] As a preferred embodiment of the bicycle head tube limiting component described in this utility model, a lower headset assembly and an upper headset assembly are respectively installed below and above the connection between the fork tube and the head tube.

[0014] As a preferred embodiment of the bicycle head tube limiting component described in this utility model, the lower head tube assembly includes a bottom stop, a lower ball bearing is installed above the bottom stop, a lower head tube stop is installed above the lower ball bearing, and the lower head tube stop is engaged with the bottom of the head tube.

[0015] As a preferred embodiment of the bicycle head tube limiting component described in this utility model, the upper headset assembly includes an upper headset stop, an upper bead frame is installed above the upper headset stop, a gasket is installed above the upper bead frame, and an accelerator ring is installed above the gasket.

[0016] Compared with the prior art, the beneficial effects of this utility model are: by installing an adjusting tube on the water drop cover, the distance between the water drop cover and the handlebar stem can be adjusted, thereby realizing the adjustment of the height of the handlebar stem. Compared with the addition and reduction of washers in the prior art, the efficiency of adjusting the handlebar stem is greatly improved. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the fixing component of this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the regulating tube of this utility model.

[0022] The components shown in the diagram are: 100 Head tube, 110 Fork tube, 120 Water drop cover, 130 Adjustable tube, 131 Threaded tube, 132 Hexagonal clip, 140 Handlebar stem, 150 Fixing assembly, 151 Rotary head, 152 Threaded sleeve, 153 Headset cap, 154 Bolt, 160 Lower headset assembly, 161 Bottom stop, 162 Lower bearing, 163 Lower headset stop, 170 Upper headset assembly, 171 Upper headset stop, 172 Upper bearing, 173 Washer, and 174 Pressure ring. Detailed Implementation

[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] This utility model provides the following technical solution: a bicycle head tube limiting component, which, during use, allows adjustment of the distance between the teardrop cover and the handlebar stem tube by installing an adjusting tube on the teardrop cover, thereby adjusting the height of the handlebar stem tube. Compared with the existing technology of adding or removing washers, this greatly improves the efficiency of adjusting the handlebar stem tube.

[0028] Figures 1-4 The diagram shown is a structural schematic of the first embodiment of a bicycle head tube limiting member according to this utility model. Please refer to [link / reference]. Figures 1-4 The main body of a bicycle head tube limiting component according to this embodiment includes a head tube 100.

[0029] A fork tube 110 is provided on the head tube 100, a water drop cover 120 is provided on the fork tube 110, an adjustment tube 130 is installed above the water drop cover 120, the adjustment tube 130 includes a threaded tube 131 and a hexagonal locking block 132, a handlebar stem tube 140 is installed above the threaded tube 131, and a fixing component 150 is installed above the handlebar stem tube 140.

[0030] The threaded tube 131 is screwed to the teardrop cover 120 at the bottom and abuts against the handlebar stem 140 at the top. The fixing component 150 includes a hub 151. There are two hubs 151. A threaded sleeve 152 is installed between the two hubs 151. A headset cap 153 is installed above the hub 151. A bolt 154 is screwed onto the headset cap 153. The bottom of the bolt 154 is screwed to the threaded sleeve 152. The hub 151 is located in the inner cavity of the fork tube 110 and is fixedly connected to the fork tube 110.

[0031] The head tube 100 is used to connect to the fork tube 110. The fork tube 110 supports the drip tray 120 and the handlebar stem 140. The drip tray 120 is used to connect to the adjustment tube 130. The adjustment tube 130 is used to adjust the distance between the handlebar stem 140 and the drip tray 120. When it is necessary to adjust the distance between the drip tray 120 and the handlebar stem 140, the adjustment tube 130 can be rotated clockwise or counterclockwise using a wrench and hexagonal locking block 132 to change the height of the adjustment tube 130 and thus adjust the distance between the drip tray 120 and the handlebar stem 140. The crown 151 is used to fix the inner cavity of the fork tube 110 and is connected to the bolt 154 through the threaded sleeve 152. The bolt 154 is used to fix the headset cap 153, so that the lower headset assembly 160 and the upper headset assembly 170 are fixed at both ends of the head tube 100.

[0032] A lower headset assembly 160 and an upper headset assembly 170 are respectively installed below and above the connection between the fork tube 110 and the head tube 100. The lower headset assembly 160 includes a bottom stop 161, a lower ball bearing 162 is installed above the bottom stop 161, and a lower headset stop 163 is installed above the lower ball bearing 162. The lower headset stop 163 is engaged with the bottom of the head tube 100. The upper headset assembly 170 includes an upper headset stop 171, an upper ball bearing 172 is installed above the upper headset stop 171, a spacer 173 is installed above the upper ball bearing 172, and a pressure ring 174 is installed above the spacer 173.

[0033] The upper cup assembly 170 and the lower cup assembly 160 are used to achieve a rotatable connection between the fork tube 110 and the head tube 100 and to maintain its stability.

[0034] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A bicycle head tube limiting component, characterized in that: Including the head tube (100); The head tube (100) is provided with a fork tube (110), the fork tube (110) is provided with a water drop cover (120), an adjustment tube (130) is installed above the water drop cover (120), the adjustment tube (130) includes a threaded tube (131) and a hexagonal locking block (132), a handlebar stem tube (140) is installed above the threaded tube (131), and a fixing component (150) is installed above the handlebar stem tube (140).

2. The bicycle head tube limiting component according to claim 1, characterized in that: The threaded tube (131) is screwed to the water drop cover (120) at the bottom and abuts against the handlebar stem (140) at the top.

3. The bicycle head tube limiting component according to claim 1, characterized in that: The fixing component (150) includes a flower center (151), there are two flower centers (151), a threaded sleeve (152) is installed between the two flower centers (151), a bowl assembly cover (153) is installed above the flower center (151), a bolt (154) is screwed onto the bowl assembly cover (153), and the bottom of the bolt (154) is screwed onto the threaded sleeve (152).

4. A bicycle head tube limiting component according to claim 3, characterized in that: The flower center (151) is located in the inner cavity of the fork tube (110) and is fixedly connected to the fork tube (110).

5. A bicycle head tube limiting component according to claim 1, characterized in that: The lower cup assembly (160) and the upper cup assembly (170) are respectively installed below and above the connection between the fork tube (110) and the head tube (100).

6. A bicycle head tube limiting component according to claim 5, characterized in that: The lower bowl assembly (160) includes a bottom stop (161), a lower bead holder (162) is installed above the bottom stop (161), a lower bowl stop (163) is installed above the lower bead holder (162), and the lower bowl stop (163) is engaged with the bottom of the head tube (100).

7. A bicycle head tube limiting component according to claim 5, characterized in that: The upper bowl assembly (170) includes an upper bowl stop (171), an upper bead holder (172) is installed above the upper bowl stop (171), a gasket (173) is installed above the upper bead holder (172), and a pressure ring (174) is installed above the gasket (173).

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