CN108407961B - Integrated steering head of bicycle - Google Patents
Integrated steering head of bicycle Download PDFInfo
- Publication number
- CN108407961B CN108407961B CN201810167115.8A CN201810167115A CN108407961B CN 108407961 B CN108407961 B CN 108407961B CN 201810167115 A CN201810167115 A CN 201810167115A CN 108407961 B CN108407961 B CN 108407961B
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- CN
- China
- Prior art keywords
- bowl
- nylon
- plug
- iron
- ball
- Prior art date
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 177
- 229910052742 iron Inorganic materials 0.000 claims abstract description 89
- 239000004677 Nylon Substances 0.000 claims abstract description 74
- 229920001778 nylon Polymers 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 230000002093 peripheral effect Effects 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K21/00—Steering devices
- B62K21/18—Connections between forks and handlebars or handlebar stems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K21/00—Steering devices
- B62K21/06—Bearings specially adapted for steering heads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The invention discloses an integrated bicycle headset, which comprises an upper headset group positioned and pressed at the upper end of a headset pipe and a lower headset group positioned and pressed at the lower end of the headset pipe, wherein the upper headset group is formed by assembling a washer, an upper ball plug, an upper steel ball, an upper iron bowl and a nylon upper bowl; the lower headstock bowl group is formed by assembling a nylon lower bowl, a lower iron bowl, a lower steel ball, a lower ball plug and a lower plug; the upper iron bowl is positioned and installed in an upper bowl cavity of the nylon upper bowl, a barb for preventing the upper iron bowl from falling out of the nylon upper bowl is formed at a cavity opening of the upper bowl cavity, an upper steel ball is rotationally pressed in the upper iron bowl through an upper ball plug, a lower protruding mouth extending downwards is formed on a washer, a deformation notch capable of enabling the lower protruding mouth to elastically deform when being radially extruded is formed on the peripheral surface of the lower protruding mouth, the lower protruding mouth sequentially penetrates through the upper ball plug and the upper iron bowl, and a buckle for hooking the bottom surface of the upper iron bowl to enable the washer, the upper ball plug, the upper steel ball, the upper iron bowl and the nylon upper bowl to form an integral upper bowl group is arranged at the annular bottom edge of the lower protruding mouth.
Description
Technical Field
The invention relates to a design technology of bicycle parts, in particular to a headset used on a bicycle, and specifically relates to an integrated headset of the bicycle.
Background
Nowadays, the concept of green riding and low-carbon life is increasingly advocated and practiced by people. With the development of the age, a bicycle headset is an indispensable part on a bicycle, but a traditional headset requires assembly workers to install at least 5 parts and more than 10 parts. With the continuous improvement of labor cost, the more the assembly parts are, the higher the labor cost expenditure is, and the greater the cost pressure of the whole vehicle is. Therefore, the market derives a strong demand for quick and simple installation of bowl groups, namely, the assembly labor cost is saved, and the management and the transportation are convenient.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides the bicycle integrated headstock bowl which is reasonable in structure, safe, stable, wide in applicability and capable of realizing quick and simple installation.
The technical scheme adopted for solving the technical problems is as follows:
An integrated bicycle headset comprises an upper headset group positioned and pressed at the upper end of a headset pipe and a lower headset group positioned and pressed at the lower end of the headset pipe, wherein the upper headset group is formed by assembling a washer, an upper ball plug, an upper steel ball, an upper iron bowl and a nylon upper bowl; the lower headstock bowl group is formed by assembling a nylon lower bowl, a lower iron bowl, a lower steel ball, a lower ball plug and a lower plug; the upper iron bowl is positioned and installed in an upper bowl cavity of the nylon upper bowl, a barb for preventing the upper iron bowl from falling out of the nylon upper bowl is formed at a cavity opening of the upper bowl cavity, an upper steel ball is rotationally pressed in the upper iron bowl through an upper ball plug, a lower protruding mouth extending downwards is formed on a washer, a deformation notch capable of enabling the lower protruding mouth to elastically deform when being radially extruded is formed on the peripheral surface of the lower protruding mouth, the lower protruding mouth sequentially penetrates through the upper ball plug and the upper iron bowl, and a buckle for hooking the bottom surface of the upper iron bowl to enable the washer, the upper ball plug, the upper steel ball, the upper iron bowl and the nylon upper bowl to form an integral upper bowl group is arranged at the annular bottom edge of the lower protruding mouth.
In order to optimize the technical scheme, the measures adopted further comprise:
the lower iron bowl is positioned and installed in a lower bowl cavity of the nylon lower bowl, the lower steel balls are rotationally pressed in the lower iron bowl through the lower ball plug, an anti-falling inner hook is formed at an orifice of the lower bowl cavity, an opening groove which enables the lower plug to elastically deform when being radially extruded is formed in the lower plug, and the periphery of the lower plug is matched with the anti-falling inner hook of the lower bowl cavity to combine the nylon lower bowl, the lower iron bowl, the lower steel balls, the lower ball plug and the lower plug into a non-closed annular hook table of the integral lower bowl group.
The upper bowl cavity of the nylon upper bowl is processed with an upper positioning inclined plane for positioning the upper iron bowl, the outer peripheral surface of the nylon upper bowl is formed with a limiting boss in limiting fit with the annular surface of the upper port of the headstock pipe, the nylon upper bowl is divided into an upper annular column section above the limiting boss and a lower annular column section below the limiting boss and used for being inserted into the upper port of the headstock pipe by the limiting boss, the outer peripheral surface of the lower annular column section is formed with a reinforcing rib for reinforcing friction force between the lower annular column section and the inner wall of the headstock pipe, and the orifice of the lower annular column section is formed with a reinforcing rib for improving structural strength of the lower annular column section.
The lower bowl cavity of the nylon lower bowl is provided with a lower locating inclined plane for locating the lower iron bowl, the nylon lower bowl is formed with an insertion convex nozzle for being inserted into a lower port of the headstock pipe and a locating annular surface matched with the annular surface of the lower port of the headstock pipe, the outer peripheral surface of the insertion convex nozzle is formed with a strip-shaped convex rib for enhancing friction force between the insertion convex nozzle and the inner wall of the headstock pipe, and an orifice of the insertion convex nozzle is formed with a triangular convex rib for improving structural strength of the insertion convex nozzle.
The upper iron bowl and the lower iron bowl are iron bowls with the same structure, the upper steel balls and the lower steel balls are steel balls with the same structure, and the upper ball plug and the lower ball plug are ball plugs with the same structure; the outer peripheral surface of the iron bowl is provided with an iron bowl positioning inclined plane which is used for being in compression positioning fit with an upper positioning inclined plane of the nylon upper bowl or a lower positioning inclined plane of the nylon lower bowl, an iron bowl R arc which is in rolling fit with the steel ball is formed in the bowl of the iron bowl, and a boss body which is used for preventing the steel ball from falling off is arranged at the tail end of the iron bowl R arc.
The inner ring pressing inclined plane is formed at the orifice of the inner hole of the ball plug, and the ball plug R arc for rolling fit with the steel ball is formed at the periphery of the ball plug.
The outer ring pressing inclined surface which is in pressing fit with the inner ring pressing inclined surface of the bead plug is formed on the periphery of the root of the lower protruding mouth of the washer, and four axially extending deformation notches are formed in the peripheral surface of the lower protruding mouth in an equal radian mode.
The lower plug is formed with a non-closed outer ring inclined surface which is in compression fit with the inner ring compression inclined surface of the bead plug.
Ten reinforcing ribs are formed on the outer peripheral surface of the lower ring cylindrical section in an equal radian mode, and ten reinforcing ribs are formed on the orifice of the lower ring cylindrical section in an equal radian mode.
The outer peripheral surface of the insertion convex nozzle is formed with ten strip-shaped convex ribs in equal radian, and the orifice of the insertion convex nozzle is formed with ten triangular convex ribs in equal radian.
Compared with the prior art, the washer is provided with the lower protruding mouth, the lower protruding mouth is provided with the buckle, the nylon upper bowl is provided with the barb, the washer is used for fixing the upper iron bowl in the nylon upper bowl through the barb, the washer sequentially passes through the upper bead plug and the upper iron bowl through the lower protruding mouth, the lower protruding mouth is used for hooking the bottom surface of the upper iron bowl through the buckle, and the washer, the upper bead plug, the upper steel ball, the upper iron bowl and the nylon upper bowl are combined into an integral upper bowl group. According to the invention, the lower iron bowl, the lower steel balls and the lower ball plug are rotationally and press-fitted in the nylon lower bowl through the lower plug, the lower plug is provided with the non-closed annular hook table, the nylon lower bowl is provided with the anti-falling inner hook, and the anti-falling inner hook is in hooking fit with the non-closed annular hook table to combine the nylon lower bowl, the lower iron bowl, the lower steel balls, the lower ball plug and the lower plug into an integrated lower bowl group.
The upper headset is an integrated upper headset, the lower headset is an integrated lower headset, and the assembly of the bicycle headset part can be rapidly completed by pressing the upper headset and the lower headset into the headset and then sequentially passing the front fork through the lower headset, the headset and the upper headset. The invention has the characteristics of simple and convenient assembly, reliable fixation and wide application vehicle type.
Drawings
FIG. 1 is an exploded view of the present invention assembled with a head tube and front fork;
FIG. 2 is a partial cross-sectional view of the present invention after assembly;
FIG. 3 is a schematic perspective view of an upper headset of the present invention;
FIG. 4 is a schematic perspective view of the lower head set of the present invention;
FIG. 5 is an enlarged schematic view of a portion of FIG. 2 at M;
FIG. 6 is an enlarged partial schematic view at N in FIG. 2;
Fig. 7 is a schematic perspective view of a washer of the present invention;
FIG. 8 is a schematic view in partial cross-section of a bead plug of the present invention;
Fig. 9 is a schematic view of the structure of the steel ball of the present invention;
FIG. 10 is a schematic perspective view of an iron bowl according to the present invention;
FIG. 11 is a schematic view of a partially cut-away structure of an iron bowl of the present invention;
FIG. 12 is a schematic perspective view of a nylon upper bowl of the present invention;
FIG. 13 is a cross-sectional view of the nylon upper bowl of the present invention;
FIG. 14 is a schematic perspective view of a nylon lower bowl of the present invention;
FIG. 15 is a cross-sectional view of a nylon lower bowl of the present invention;
FIG. 16 is a schematic perspective view of a lower plug of the present invention;
fig. 17 is a cross-sectional view of a lower plug of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 17 are schematic structural views of the present invention.
Wherein the reference numerals are as follows: an integrated upper bowl group A, an integrated lower bowl group B, a headstock tube C, a front fork D, a washer 1, an outer ring pressing inclined plane 1a, a lower protruding mouth 11, a deformation notch 12, a buckle 13, a ball plug 2, an inner ring pressing inclined plane 2a, a ball plug R arc 2B, an upper ball plug 21, a lower ball plug 22, a steel ball 3, an upper steel ball 31, a lower steel ball 32, an iron bowl 4, an iron bowl positioning inclined plane 4a, an iron bowl R arc 4B, a boss body 4C, an upper iron bowl 41, a lower iron bowl 42, a nylon upper bowl 5, an upper positioning inclined plane 5a, a reinforcing rib 5B, a reinforcing rib 5C, a barb 51, a limiting boss 52, a lower ring cylindrical section 53, a nylon lower bowl 6, a lower positioning inclined plane 6a, a positioning annular surface 6B, a strip-shaped protruding rib 6C, a triangular protruding rib 6D, a falling-preventing inner hook 61, an inserting protruding mouth 62, a lower plug 7, a non-closing outer ring inclined plane 7a, an opening groove 71 and a non-closing annular hooking table 72.
As shown in fig. 1 to 17, the integrated headset for a bicycle of the present invention comprises an upper headset positioned and pressed on the upper end of a headset C and a lower headset positioned and pressed on the lower end of the headset C, wherein the upper headset and the lower headset are mounted on the headset C, and a front fork D of the bicycle sequentially passes through the lower headset, the headset C and the upper headset, so that the front fork D of the bicycle can freely rotate relative to the headset C to ensure steering of the bicycle.
The upper headstock bowl group is formed by assembling a washer 1, an upper ball plug 21, an upper steel ball 31, an upper iron bowl 41 and a nylon upper bowl 5; the lower headstock bowl group is formed by assembling a nylon lower bowl 6, a lower iron bowl 42, a lower steel ball 32, a lower ball plug 22 and a lower plug 7. The upper iron bowl 41 is positioned and installed in an upper bowl cavity of the nylon upper bowl 5, a barb 51 for preventing the upper iron bowl 41 from falling out of the nylon upper bowl 5 is formed at a cavity opening of the upper bowl cavity, the upper end face of the upper iron bowl 41 is hooked by the nylon upper bowl 5 through the barb 51, and therefore the upper iron bowl 41 is fixed in the bowl cavity of the nylon upper bowl 5, and the nylon upper bowl 5 and the upper iron bowl 41 are combined into a whole. The upper steel ball 31 is rotationally pressed in the upper iron bowl 41 through the upper ball plug 21, the washer 1 is provided with a lower protruding nozzle 11 which extends downwards, and an inner hole of the lower protruding nozzle 11 is matched with the outer peripheral surface of the front fork D, so that the front fork D can drive the washer 1 and the upper ball plug 21 to rotate together. The peripheral surface of the lower protruding nozzle 11 is provided with a deformation notch 12 which can enable the lower protruding nozzle 11 to elastically deform when being radially extruded, the diameter of the lower protruding nozzle 11 is reduced by utilizing the deformation notch 12 so as to facilitate the assembly of the washer 1, the lower protruding nozzle 11 of the washer 1 can smoothly sequentially pass through the upper bead plug 21 and the upper iron bowl 41, the annular bottom edge of the lower protruding nozzle 11 is provided with a buckle 13, and when the washer 1 is pressed in place, the buckle 13 of the washer 1 just hooks the bottom surface of the upper iron bowl 41, so that the washer 1, the upper bead plug 21, the upper steel balls 31, the upper iron bowl 41 and the nylon upper bowl 5 are combined into an integral upper bowl group A. The upper headset is an integrated upper headset, so that the bicycle is very convenient to assemble, and the integrated upper headset A is only required to be pressed into the upper port of the headset C during assembling.
In the embodiment, as shown in fig. 4 and 6, the lower iron bowl 42 is positioned and installed in a lower bowl cavity of the nylon lower bowl 6, the lower steel ball 32 is rotationally pressed in the lower iron bowl 42 through the lower ball plug 22, an anti-falling inner hook 61 is formed at a cavity opening of the lower bowl cavity, an open groove 71 which enables the lower plug 7 to elastically deform when being radially extruded is formed on the lower plug 7, and the periphery of the lower plug 7 is hooked with the anti-falling inner hook 61 of the lower bowl cavity to be matched with a non-closed annular hook table 72. The lower iron bowl 42, the lower steel balls 32 and the lower ball plug 22 are rotationally pressed in the nylon lower bowl 6 by the lower plug 7, and the nylon lower bowl 6 hooks the lower plug 7 by using the anti-falling inner hook 61, so that the nylon lower bowl 6, the lower iron bowl 42, the lower steel balls 32, the lower ball plug 22 and the lower plug 7 are combined into an integrated lower bowl group B. The lower head bowl group is the integrated lower bowl group B, so that the bicycle is very convenient to assemble, and the integrated lower bowl group B is only required to be pressed into the lower port of the head tube C during assembling.
In the embodiment, an upper positioning inclined plane 5a for positioning the upper iron bowl 41 is processed in an upper bowl cavity of the nylon upper bowl 5, a limiting boss 52 for limiting and matching with an upper port annular surface of the headstock pipe C is formed on the outer peripheral surface of the nylon upper bowl 5, the limiting boss 52 divides the nylon upper bowl 5 into an upper annular column section positioned above the limiting boss 52 and a lower annular column section 53 positioned below the limiting boss 52 and used for being inserted into an upper port of the headstock pipe C, and after the lower annular column section 53 is inserted into the headstock pipe C, the bottom surface of the limiting boss 52 is in propping connection with the upper port annular surface of the headstock pipe C. In order to prevent the nylon upper bowl 5 from rotating relative to the headstock pipe C, a reinforcing rib 5b for reinforcing friction force between the lower ring cylindrical section 53 and the inner wall of the headstock pipe C is formed on the outer circumferential surface of the lower ring cylindrical section 53, and the reinforcing rib 5b enables the nylon upper bowl 5 and the headstock pipe C to be tightly combined into a whole. In order to improve the mechanical strength of the nylon upper bowl 5, the orifice of the lower ring cylindrical section 53 is formed with a reinforcing rib 5c for improving the structural strength of the lower ring cylindrical section.
In the embodiment, a lower locating inclined surface 6a for locating the lower iron bowl 42 is processed in a lower bowl cavity of the nylon lower bowl 6, an insertion convex nozzle 62 for being inserted into a lower port of the headstock pipe C and a locating annular surface 6b matched with an annular surface of the lower port of the headstock pipe C are formed on the nylon lower bowl 6, a strip-shaped convex rib 6C for enhancing friction force between the insertion convex nozzle 62 and the inner wall of the headstock pipe C is formed on the outer peripheral surface of the insertion convex nozzle 62, and a triangular convex rib 6d for enhancing structural strength of the insertion convex nozzle 62 is formed on an orifice of the insertion convex nozzle 62.
In the embodiment, the upper iron bowl 41 and the lower iron bowl 42 of the invention are parts with the same structure, and are iron bowls 4 made of steel, the upper steel balls 31 and the lower steel balls 32 are steel balls 3 with the same structure, and the upper ball plug 21 and the lower ball plug 22 are ball plugs 2 with the same structure;
The outer peripheral surface of the iron bowl 4 is provided with an iron bowl positioning inclined surface 4a which is used for being in compression positioning fit with an upper positioning inclined surface 5a of the nylon upper bowl 5 or a lower positioning inclined surface 6a of the nylon lower bowl 6, an iron bowl R arc 4b which is in rolling fit with the steel ball 4 is formed in the bowl of the iron bowl 4, and a boss body 4c which is used for preventing the steel ball 3 from falling off is arranged at the tail end of the iron bowl R arc 4 b.
The inner ring pressing inclined plane 2a is formed at the orifice of the inner hole of the ball plug 2, and the ball plug R arc 2b used for rolling fit with the steel ball 3 is formed at the periphery of the ball plug 2.
As shown in fig. 7, the root periphery of the lower protruding mouth 11 of the washer 1 is formed with an outer ring pressing inclined plane 1a which is in pressing fit with the inner ring pressing inclined plane 2a of the bead plug 2, and four deformation notches 12 which extend axially are formed on the peripheral surface of the lower protruding mouth 11 in an equal radian manner.
The lower plug 7 is formed with a non-closed outer annular inclined surface 7a which is in press fit with the inner annular pressing inclined surface 2a of the bead plug 2.
Ten reinforcing ribs 5b are formed on the outer peripheral surface of the lower annular cylindrical section 53 in an equal radian manner, and ten reinforcing ribs 5c are formed on the orifice of the lower annular cylindrical section 53 in an equal radian manner.
Ten bar-shaped ribs 6c are formed on the outer peripheral surface of the insertion lug 62 in an equal arc manner, and ten triangular ribs 6d are formed on the aperture of the insertion lug 62 in an equal arc manner.
The invention discloses an assembly process of an integrated upper bowl group A, an integrated lower bowl group B, a headstock tube C and a front fork D, which comprises the following steps:
The integral upper bowl group A is pressed into the upper port of the headstock pipe C, the lower annular cylindrical section 53 of the nylon upper bowl 5 is tightly matched with the inner diameter of the headstock pipe C, the reinforcing ribs 5b are extruded to deform, and the friction force between the integral upper bowl group A and the headstock pipe C is further increased until the bottom surface of the limiting boss 52 of the nylon upper bowl 5 is contacted with the annular surface of the upper port of the headstock pipe C.
After the integral upper bowl group A is assembled, the integral lower bowl group B is pressed into the lower port of the headstock pipe C, the insertion convex mouth 62 of the nylon lower bowl 6 is tightly matched with the inner wall of the lower port of the headstock pipe C, the strip-shaped convex ribs 6C are extruded to deform, and the friction force between the integral lower bowl group B and the inner wall of the headstock pipe C is further increased until the positioning annular surface 6B of the nylon lower bowl 6 is contacted with the annular surface of the lower port of the headstock pipe C.
After the integral lower bowl group B is installed, a bicycle front fork is finally installed, and a front fork D sequentially passes through the integral lower bowl group B, a bicycle head pipe C and the integral upper bowl group A until an inner hole of a lower plug 7 is tightly matched with the front fork D, and the bottom surface of the lower plug 7 is contacted with a positioning table surface of the front fork D, so that the installation of the bicycle front fork is completed.
The state of the integrated headstock bowl when the installation is completed is as follows: the nylon upper bowl 5 is fastened in the headstock pipe C, the inner diameter of the washer 1 is tightly held with the front fork D, the nylon lower bowl 6 is fastened in the headstock pipe C, and the inner diameter of the lower plug 7 is tightly matched with the front fork D. The bicycle handle is rotated, the steel ball 3 rotates between the iron bowl 4 and the ball plug 2, and the washer 1, the ball plug 2 and the lower plug 7 rotate along with the front fork D, so that steering of the bicycle tap is realized.
The above description is only of the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention.
Claims (8)
1. An integrated bicycle headset comprises an upper headset group positioned and pressed at the upper end of a headset pipe (C) and a lower headset group positioned and pressed at the lower end of the headset pipe (C); the upper headstock bowl group is formed by assembling a washer (1), an upper ball plug (21), an upper steel ball (31), an upper iron bowl (41) and a nylon upper bowl (5); the lower headstock bowl group is formed by assembling a nylon lower bowl (6), a lower iron bowl (42), a lower steel ball (32), a lower ball plug (22) and a lower plug (7); the upper iron bowl (41) is positioned and installed in an upper bowl cavity of the nylon upper bowl (5), and the upper steel ball (31) is rotationally pressed in the upper iron bowl (41) through the upper ball plug (21); the method is characterized in that: the cup is characterized in that barbs (51) for preventing the upper iron bowl (41) from falling out of the nylon upper bowl (5) are formed at the cavity opening of the upper bowl cavity, a lower protruding mouth (11) extending downwards is formed on the washer (1), a deformation notch (12) capable of enabling the lower protruding mouth (11) to elastically deform when being radially extruded is formed on the peripheral surface of the lower protruding mouth (11), the lower protruding mouth (11) sequentially penetrates through the upper bead plug (21) and the upper iron bowl (41), and a buckle (13) for hooking the bottom surface of the upper iron bowl (41) to enable the washer (1), the upper bead plug (21), the upper steel balls (31), the upper iron bowl (41) and the nylon upper bowl (5) to be combined into an integral upper bowl group (A) is arranged at the annular bottom edge of the lower protruding mouth (11);
An upper locating inclined surface (5 a) for locating an upper iron bowl (41) is processed in an upper bowl cavity of the nylon upper bowl (5), a limit boss (52) for limiting and matching with an upper port annular surface of a headstock pipe (C) is formed on the outer peripheral surface of the nylon upper bowl (5), the limit boss (52) divides the nylon upper bowl (5) into an upper annular column section positioned above the limit boss (52) and a lower annular column section (53) positioned below the limit boss (52) and used for being inserted into an upper port of the headstock pipe (C), a reinforcing rib (5 b) for reinforcing friction force between the lower annular column section (53) and the inner wall of the headstock pipe (C) is formed on the outer peripheral surface of the lower annular column section (53), and a reinforcing rib (5C) for improving the structural strength of the lower annular column section is formed on an orifice of the lower annular column section (53);
The nylon lower bowl is characterized in that a lower locating inclined plane (6 a) for locating the lower iron bowl (42) is processed in a lower bowl cavity of the nylon lower bowl (6), an inserting convex nozzle (62) used for being inserted into a lower port of a head pipe (C) and a locating annular surface (6 b) matched with the annular surface of the lower port of the head pipe (C) in a locating mode are formed in the nylon lower bowl (6), a strip-shaped convex rib (6C) used for enhancing friction force between the inserting convex nozzle (62) and the inner wall of the head pipe (C) is formed on the outer peripheral surface of the inserting convex nozzle (62), and a triangular convex rib (6 d) used for improving structural strength of the inserting convex nozzle (62) is formed in an orifice of the inserting convex nozzle (62).
2. The bicycle integrated head bowl according to claim 1, wherein: the lower iron bowl (42) is positioned and installed in a lower bowl cavity of the nylon lower bowl (6), the lower steel balls (32) are rotationally pressed in the lower iron bowl (42) through the lower ball plug (22), an anti-falling inner hook (61) is formed at a cavity opening of the lower bowl cavity, an open slot (71) which enables the lower plug (7) to elastically deform when being radially extruded is formed in the lower plug (7), and the periphery of the lower plug (7) is in hooking fit with the anti-falling inner hook (61) of the lower bowl cavity to enable the nylon lower bowl (6), the lower iron bowl (42), the lower steel balls (32), the lower ball plug (22) and the lower plug (7) to form a non-closed annular hook table (72) of the integrated lower bowl group (B).
3. The bicycle integrated head bowl according to claim 2, wherein: the upper iron bowl (41) and the lower iron bowl (42) are iron bowls (4) with the same structure, the upper steel balls (31) and the lower steel balls (32) are steel balls (3) with the same structure, and the upper ball plug (21) and the lower ball plug (22) are ball plugs (2) with the same structure; the outer peripheral surface of the iron bowl (4) is provided with an iron bowl positioning inclined plane (4 a) which is used for being matched with an upper positioning inclined plane (5 a) of the nylon upper bowl (5) or a lower positioning inclined plane (6 a) of the nylon lower bowl (6) in a pressing and positioning mode, an iron bowl R arc (4 b) which is matched with the steel ball (3) in a rolling mode is formed in the bowl of the iron bowl (4), and the tail end of the iron bowl R arc (4 b) is provided with a boss body (4 c) which is used for preventing the steel ball (3) from falling out.
4. A bicycle integrated head bowl as defined in claim 3, wherein: an inner ring pressing inclined plane (2 a) is formed at the orifice of the inner hole of the ball plug (2), and a ball plug R arc (2 b) used for being in rolling fit with the steel ball (3) is formed at the periphery of the ball plug (2).
5. The bicycle integrated head bowl of claim 4, wherein: the root periphery of the lower protruding mouth (11) of the washer (1) is formed with an outer ring pressing inclined surface (1 a) which is in pressing fit with the inner ring pressing inclined surface (2 a) of the bead plug (2), and four deformation notches (12) extending axially are formed in the peripheral surface of the lower protruding mouth (11) in an equal radian mode.
6. The bicycle integrated head bowl of claim 5, wherein: the lower plug (7) is formed with a non-closed outer ring inclined surface (7 a) which is in press fit with the inner ring pressing inclined surface (2 a) of the ball plug (2).
7. The bicycle integrated head bowl of claim 6, wherein: ten reinforcing ribs (5 b) are formed on the outer peripheral surface of the lower annular column section (53) in an equal radian mode, and ten reinforcing ribs (5 c) are formed on the orifice of the lower annular column section (53) in an equal radian mode.
8. The bicycle integrated head bowl of claim 7, wherein: ten strip-shaped ribs (6 c) are formed on the outer circumferential surface of the insertion lug (62) in an equal radian mode, and ten triangular ribs (6 d) are formed on the hole of the insertion lug (62) in an equal radian mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167115.8A CN108407961B (en) | 2018-02-28 | 2018-02-28 | Integrated steering head of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167115.8A CN108407961B (en) | 2018-02-28 | 2018-02-28 | Integrated steering head of bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108407961A CN108407961A (en) | 2018-08-17 |
| CN108407961B true CN108407961B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810167115.8A Active CN108407961B (en) | 2018-02-28 | 2018-02-28 | Integrated steering head of bicycle |
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| CN (1) | CN108407961B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660286A (en) * | 2020-12-31 | 2021-04-16 | 句容志新精密五金零件有限公司 | Integrated bicycle head bowl group based on carbon fiber reinforcement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205837095U (en) * | 2015-10-23 | 2016-12-28 | 拓肯兴业股份有限公司 | Bicycle bowl group |
| CN207917064U (en) * | 2018-02-28 | 2018-09-28 | 宁波巨隆机械股份有限公司 | A kind of bicycle integrated headset |
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|---|---|---|---|---|
| FR1299352A (en) * | 1961-09-05 | 1962-07-20 | Special headset for bicycles, tandems, mopeds, motorcycles or others | |
| US4189167A (en) * | 1976-12-20 | 1980-02-19 | Nadella | Steering head set assembly |
| CN2153513Y (en) * | 1993-03-08 | 1994-01-19 | 裕盛交通器材企业股份有限公司 | Steel ball cover on the front bowl |
| CN1348877A (en) * | 2000-10-12 | 2002-05-15 | 坎培诺洛有限公司 | Bicycle hub |
| TW532352U (en) * | 2001-12-28 | 2003-05-11 | Vp Components Co Ltd | Improved easy removing structure for operation head joint |
| TW533162B (en) * | 2002-04-03 | 2003-05-21 | Satoshi Tange | Headset joint bowl assembly |
| TW200808581A (en) * | 2006-08-11 | 2008-02-16 | Bikeforce Internat Co Ltd | Light-weighted bottom bracket unit |
| CN202163560U (en) * | 2011-07-20 | 2012-03-14 | 宁波嘉隆工业有限公司 | Headstock bowel component of outdoor bicycle |
| CN205837095U (en) * | 2015-10-23 | 2016-12-28 | 拓肯兴业股份有限公司 | Bicycle bowl group |
| CN205244156U (en) * | 2015-12-31 | 2016-05-18 | 浙江奥力迅电梯部件有限公司 | Integral type bearing frame subassembly |
| CN105711727A (en) * | 2016-04-19 | 2016-06-29 | 钟德斌 | Bicycle assisting force system adopting middle-axis torque sensor |
| CN106005202A (en) * | 2016-07-25 | 2016-10-12 | 宁波巨隆机械股份有限公司 | Integrated threadless headset capable of being quickly mounted |
| CN207917064U (en) * | 2018-02-28 | 2018-09-28 | 宁波巨隆机械股份有限公司 | A kind of bicycle integrated headset |
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|---|---|
| CN108407961A (en) | 2018-08-17 |
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