CN202163560U - Headstock bowel component of outdoor bicycle - Google Patents
Headstock bowel component of outdoor bicycle Download PDFInfo
- Publication number
- CN202163560U CN202163560U CN201120257364XU CN201120257364U CN202163560U CN 202163560 U CN202163560 U CN 202163560U CN 201120257364X U CN201120257364X U CN 201120257364XU CN 201120257364 U CN201120257364 U CN 201120257364U CN 202163560 U CN202163560 U CN 202163560U
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- bowl
- head tube
- shaped
- headstock
- front fork
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Abstract
The utility model discloses a headstock bowel component of an outdoor bicycle. The headstock bowl component comprises a rotary part and a positioning part for pressing and locking a head tube and a front fork straight tube, wherein the rotary part comprises an upper bowl, an upper ball nest, an upper plug and a lower bowel, a lower ball nets and a lower plug, which are respectively pressed and distributed on the upper and the lower ends of the head tube for rotating and supporting; the front fork straight tube gets through the lower plug, the lower ball nest, the head tube, the upper bowl, the upper ball nest and the upper plug in sequence and then is spirally locked and matched with the positioning part; the positioning part is a pressing piece, inner hole of which is manufactured to be un-formed half threads; and the head tube and the front fork straight tube can freely and smoothly rotate through the rotary part. According to the utility model, the front fork straight tube and the head tube are locked to be an integer through the positioning part; simultaneously, the front fork straight tube and the head tube can rotate relative to each other through the rotary part; the headstock bowl component has the advantages of a simple structure, a stable assembly, simple maintenance, a low cost and the like.
Description
Technical field
The utility model relates to the bicycle assembly parts technical field, especially relates to the headstock bowl assembly of bicycle, specifically a kind of headstock bowl assembly of outdoor bicycle.
Background technology
The headstock bowl assembly is the vitals that cooperates head tube and front fork straight tube, and head tube is sleeved on the front fork straight tube, through headstock bowl assembly people head tube and front fork straight tube lock are fitted over together, and head tube and the rotation of freedom and flexibility relatively of front fork straight tube.Can bicycle turn to, and whether turn to flexibly all has direct relation with the headstock bowl assembly.The accessory of headstock bowl assembly is a lot of in the market, but the ubiquity complex structure is installed the big problem of assembly difficulty, thereby caused industrial production efficiency low, the defective that cost performance is not high enough.Particularly the positioning element of general headstock bowl assembly is more loaded down with trivial details on assembling procedure, has a strong impact on efficiency of assembling, is unfavorable for maintenance and maintenance.
Summary of the invention
The utility model technical matters to be solved is to above-mentioned prior art present situation, and the headstock bowl assembly with a kind of outdoor bicycle simple for structure, that assembly stable, assembling speed is fast and easy to maintenance, with low cost is provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of headstock bowl assembly of outdoor bicycle; Comprise the rotatable parts and the positioning element that are used to be press-fitted and lock head tube and front fork straight tube; Its rotatable parts comprise joining respectively and are pressed in head tube and up and down rise and rotate going up bowl, going up pearl nest, top plug and following bowl, time pearl nest and fill under reaching of supporting role in two ends; The front fork straight tube pass down successively plug, down pearl nest, following bowl, head tube, go up bowl, upward lock with the positioning element spiral behind pearl nest and the top plug and match; Positioning element is the forcing piece that endoporus is shaped on non-shaping half thread, and head tube is through can rotate between rotatable parts and front fork straight tube freely and smoothly.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned go up bowl be shaped on hold receive the pearl nest go up bowl groove and the protruding circle in last location, on locate protruding circle and snap in head tube upper end inwall, the lower surface of last bowl of groove matches with head tube upper surface roof pressure.
Above-mentioned following bowl is shaped on to hold and receives down the following bowl groove of pearl nest and the protruding circle in location down, and the protruding circle in following location snaps in head tube lower end inwall, and the upper surface of following bowl of groove matches with head tube lower surface roof pressure.
Above-mentioned last pearl nest is arranged in the bowl groove, and top plug is shaped on the last external arc side face that is press-fitted mutually with last pearl nest; Following pearl nest is arranged on down in the bowl groove, and following plug is shaped on the following external arc side face that is press-fitted mutually with following pearl nest.
Above-mentioned forcing piece is shaped on has lip that under shed compresses circular groove along cover of dust, compresses circular groove and is shaped on top plug endoporus oblique angle face and cooperates oblique angle, the lower end face that compresses.
The above-mentioned inner ring side face that compresses circular groove is shaped on the oblique angle that links to each other with oblique angle, lower end face and directly holds, and the oblique angle directly holds interference fit to snap in the internal orifice dimension of top plug.
Above-mentioned lip is lived in bowl groove of going up of bowl along the cover of dust cover cap.
Above-mentioned front fork straight tube is shaped on the thread segment that matches with the non-shaping half thread of forcing piece, and forcing piece and front fork straight pipe thread section screw fit compress head tube and rotatable parts, make front fork straight tube and head tube constitute the integral body of mutual normal-running fit.
The internal diameter of above-mentioned following bowl groove is greater than the external diameter of filling in down.
The above-mentioned bowl of going up is gone up and is located protruding circle under the protruding circle in location and following the bowl and all be shaped on the cylindrical lead angle inclined-plane of being convenient to snap in head tube.
Compared with prior art, the positioning element of the utility model is shaped on non-shaping half thread, and positioning element matches with front fork straight tube spiral and locks head tube and rotatable parts, and head tube is press-fitted support through rotatable parts and can rotates freely and smoothly by relative front fork straight tube.The bearing of the utility model adopts the pearl nest, makes installation easier to be flexible, and positioning element is simple in structure, and dependable performance is convenient to make processing, and manufacturing cost is cheap relatively, is suitable for industrialized mass production.The great advantage of the utility model is: simple in structure, assembly is stable, and is easy to maintenance, can effectively improve the production assembling speed, reduces production costs, and has high cost performance.
Description of drawings
Fig. 1 is the group sectional elevation scheme drawing of the utility model embodiment;
Fig. 2 is the cutaway view of forcing piece among Fig. 1;
Fig. 3 is the solid assembling decomposing schematic representation of the utility model embodiment;
Fig. 4 is the rotatable parts perspective exploded view of the utility model embodiment;
Fig. 5 is the perspective view of the utility model embodiment.
The specific embodiment
Embodiment to the utility model describes in further detail below in conjunction with accompanying drawing.
Fig. 1 is extremely shown in Figure 5 to be the structural representation of the utility model.
Reference numeral wherein is: front fork straight tube 1; Thread segment 11; Head tube 2; Upper surface 21; Lower surface 22; Rotatable parts 3; Cylindrical lead angle inclined-plane 3a; Last bowl 31; Last bowl groove 31a; Last location protruding circle 31b; Lower surface 31c; Last pearl nest 32; Top plug 33; Last external arc side face 33a; Top plug endoporus oblique angle face 33b; Following bowl 34; Following bowl groove 34a; Under locate protruding circle 34b; Upper surface 34c; Following pearl nest 35; Under fill in 36; Following external arc side face 36a; Positioning element 4; Forcing piece 41; Non-shaping half thread 42; Lip is along cover of dust 43; Compress circular groove 44; 44a is directly held at the oblique angle; Oblique angle, lower end face 44b.
Extremely shown in Figure 5 like Fig. 1; The headstock bowl assembly of a kind of outdoor bicycle of the utility model; Comprise the rotatable parts 3 and positioning element 4 that are used to be press-fitted and lock head tube 2 and front fork straight tube 1; Its rotatable parts 3 comprise join respectively be pressed in head tube about in the of 2 two ends rise rotate the going up bowl 31, go up pearl nest 32 of supporting role, top plug 33 and following bowl 34, down pearl nest 35 and under fill in 36; Front fork straight tube 1 pass down successively plug 36, down pearl nest 35, following bowl 34, head tube 2, go up bowl 31, go up behind pearl nest 32 and the top plug 33 to lock and match with positioning element 4 spirals; The forcing piece 41 of positioning element 4 non-shaping half thread 42 for endoporus is shaped on, head tube 2 can rotate through rotatable parts 3 and 1 of front fork straight tube freely and smoothly.The utility model bowl 31 on when assembling is connected with following bowl 34 first being press-fitted with head tube 2; Under fill in 36 first again suits and be press-fitted on the front fork straight tube 1; And then will descend pearl nest 35 to be inserted in front fork straight tube 1 and plug 36 pressings down; Be inserted in to join again and be pressed with bowl 31 and following bowl 34 head tube 2, will go up pearl nest 32 and top plug 33 at last again and be inserted in successively, the front end sponson of front fork straight tube 1 and positioning element 4 spirals compress head tube 2 and rotatable parts 3; Head tube 2 and front fork straight tube 1 are integral, and head tube 2 can rotate freely and smoothly through rotatable parts 3 and 1 of front fork straight tube.The endoporus of the utility model positioning element 4 is shaped on non-shaping half thread 42, can cooperate with front fork straight tube 1 easily to compress, and positioning element 4 is simple in structure; Parts are few, and are easy to use, handling ease; Can improve greatly and produce and efficiency of assembling, reduce production costs, it is stable that this headstock bowl assembly has assembly; Easy maintenance, advantage such as with low cost.
Among the embodiment, like Fig. 3, shown in Figure 4, last bowl 31 be shaped on hold receive pearl nest 32 go up bowl groove 31a and last location protruding circle 31b, on locate protruding circle 31b and snap in head tube 2 upper end inwalls, the lower surface 31c of last bowl of groove 31a matches with head tube 2 upper surfaces 21 roof pressures.Last bowl 31 is shaped on the protruding circle 31b in location and can cooperates with head tube 2 location better, prevents that bowls 31 go here and there and move, on locate protruding circle 31b and mainly play the role of positioning, on to locate the internal diameter of external diameter and head tube 2 of the protruding 31b of circle suitable.Lower surface 31c and head tube 2 upper surfaces 21 of last bowl groove 31a compress each other, make bowls 31 to have tighter cooperating with head tube 2.
Following bowl 34 of the utility model also is shaped on to hold receives down following bowl of groove 34a of pearl nest 35 and the protruding circle 34b in location down, and the protruding circle 34b in following location snaps in head tube 2 lower end inwalls, and the upper surface 34c of following bowl of groove 34a matches with head tube 2 lower surfaces 22 roof pressures.The same with the principle of last bowl 31; It also is for playing the role of positioning that following bowl 34 is shaped on down the protruding circle 34b in location; Last bowl 31 and following bowl 34 effect of playing a support head tube 2 simultaneously guarantee that head tube 2 is through last pearl nest 32, pearl nest 35 and fusing of plug and the 1 flexible rotation of front fork straight tube up and down down.
For obtaining better technique effect, among the embodiment, like Fig. 1, shown in Figure 4, last pearl nest 32 is arranged among the bowl groove 31a, and top plug 33 is shaped on the last external arc side face 33a that is press-fitted mutually with last pearl nest 32; Following pearl nest 35 is arranged on down among the bowl groove 34a, and following plug 36 is shaped on the following external arc side face 36a that is press-fitted mutually with following pearl nest 35.Top plug 33 all is shaped on the external arc side face that cooperates with the tangent rolling of pearl nest with following plug 36, can effectively reduce the resistance of motion of pearl nest, improves the alerting ability that head tube 2 rotates,
As shown in Figure 2, the preferred version of the utility model also comprises, forcing piece 41 is shaped on has lip that under shed compresses circular groove 44 along cover of dust 43, compresses circular groove 44 and is shaped on top plug endoporus oblique angle face 33b and cooperates oblique angle, the lower end face 44b that compresses.
The inner ring side face that compresses circular groove 44 is shaped on the oblique angle that links to each other with oblique angle, lower end face 44b and directly holds 44a, and the oblique angle directly holds the 44a interference fit to snap in the internal orifice dimension of top plug 33.Forcing piece 41 main rising compress interconnect function; Through forcing piece 41 front fork straight tube 1, head tube 2 are linked to be an integral body; Make the rotation of head tube 2 relative front fork straight tubes 1 ability freedom and flexibility through rotatable parts 3; Forcing piece 41 is shaped on oblique angle, lower end face 44b and oblique angle and directly holds 44a effectively to improve to be press-fitted joint face, to improve squeese pressure, guarantee the bonded assembly fastness.
Among the embodiment, lip is lived in bowl groove 31a that goes up of bowl 31 along cover of dust 43 cover caps.Lip is along the diameter that compresses circular groove 44 of cover of dust 43 external diameter greater than last bowl groove 31a, and lip will whole cover cap live in bowls 31 along cover of dust 43 like this, can play the sealing and dustproof waterproof action, can effectively prolong the service life of rotatable parts.
Among the embodiment; The front end of front fork straight tube 1 is shaped on the thread segment 11 that matches with forcing piece 41 non-shaping half threads 42; Forcing piece 41 compresses head tube 2 and rotatable parts 3 with front fork straight pipe thread section 11 screw fit, makes front fork straight tube 1 and head tube 2 constitute the integral body of mutual normal-running fit.The front end of front fork straight tube 1 is shaped on screw thread, locks through the non-shaping half thread 42 of the screw thread and the endoporus of forcing piece 41 to cooperate, with locking head tube 2, front fork straight tube 1 and rotatable parts 3.
The internal diameter of the following bowl of groove 34a of the utility model is greater than the external diameter of filling in 36 down.Following bowl groove 34a cover cap is stayed and is filled in the 36 same sealing and dustproof waterproof actions that rise, and guarantees that each parts has good environment for use.
As shown in Figure 1, among the embodiment, last bowl go up the protruding circle 31b in location with following bowl under locate protruding circle 34b and all be shaped on the cylindrical lead angle inclined-plane 3a of being convenient to snap in head tube 2.Bowl just can insert the inner hole wall of head tube 2 easily about being shaped on cylindrical lead angle inclined-plane 3a, thereby improves assembling speed, reduces installation difficulty.
The most preferred embodiment of the utility model is illustrated, and various variations of being made by those of ordinary skills or remodeling can not break away from the scope of the utility model.
Claims (10)
1. the headstock bowl assembly of an outdoor bicycle; Comprise the rotatable parts (3) and the positioning element (4) that are used to be press-fitted and lock head tube (2) and front fork straight tube (1); It is characterized in that: described rotatable parts (3) comprise joining respectively and are pressed in head tube (2) and rise and rotate the going up bowl (31), go up pearl nest (32) of supporting role, top plug (33) and fill in (36) with following bowl (34), under pearl nest (35) reaches down in two ends up and down; Said front fork straight tube (1) pass down successively plug (36), down pearl nest (35), following bowl (34), head tube (2), go up bowl (31), go up behind pearl nest (32) and the top plug (33) to lock and match the forcing piece (41) of said positioning element (4) non-shaping half thread (42) for endoporus is shaped on positioning element (4) spiral.
2. the headstock bowl assembly of a kind of outdoor bicycle according to claim 1; It is characterized in that: described go up bowl (31) be shaped on hold receive pearl nest (32) go up bowl groove (31a) and the protruding circle in last location (31b); The said protruding circle in location (31b) of going up snaps in head tube (2) upper end inwall, and the said lower surface (31c) of going up bowl groove (31a) matches with head tube (2) upper surface (21) roof pressure.
3. the headstock bowl assembly of a kind of outdoor bicycle according to claim 2; It is characterized in that: described following bowl (34) are shaped on to hold and receive down the following bowl groove (34a) of pearl nest (35) and locate protruding circle (34b) down; The said protruding circle in location (34b) down snaps in head tube (2) lower end inwall, and the upper surface (34c) of said following bowl groove (34a) matches with head tube (2) lower surface (22) roof pressure.
4. the headstock bowl assembly of a kind of outdoor bicycle according to claim 3 is characterized in that: the described pearl nest (32) of going up is arranged in bowl groove (31a), and said top plug (33) is shaped on the last external arc side face (33a) that is press-fitted mutually with last pearl nest (32); Described pearl nest (35) down is arranged on down in the bowl groove (34a), and said plug (36) down is shaped on the following external arc side face (36a) that is press-fitted mutually with following pearl nest (35).
5. the headstock bowl assembly of a kind of outdoor bicycle according to claim 4; It is characterized in that: described forcing piece (41) is shaped on has lip that under shed compresses circular groove (44) along cover of dust (43), compresses circular groove (44) and is shaped on and cooperates oblique angle, the lower end face (44b) that compresses with top plug endoporus oblique angle face (33b).
6. the headstock bowl assembly of a kind of outdoor bicycle according to claim 5; It is characterized in that: the described inner ring side face that compresses circular groove (44) is shaped on the oblique angle that links to each other with oblique angle, lower end face (44b) and directly holds (44a), and the oblique angle directly holds (44a) interference fit to snap in the internal orifice dimension of top plug (33).
7. the headstock bowl assembly of a kind of outdoor bicycle according to claim 6 is characterized in that: described lip is gone up a bowl groove (31a) along what cover of dust (43) cover cap was lived in bowl (31).
8. the headstock bowl assembly of a kind of outdoor bicycle according to claim 7; It is characterized in that: described front fork straight tube (1) is shaped on the thread segment (11) that matches with the non-shaping half thread of forcing piece (41) (42); Forcing piece (41) compresses head tube (2) and rotatable parts (3) with front fork straight pipe thread section (11) screw fit, makes front fork straight tube (1) and head tube (2) constitute the integral body of mutual normal-running fit.
9. the headstock bowl assembly of a kind of outdoor bicycle according to claim 8 is characterized in that: the internal diameter of described following bowl groove (34a) is greater than the external diameter of plug (36) down.
10. the headstock bowl assembly of a kind of outdoor bicycle according to claim 9 is characterized in that: described go up bowl go up location protruding circle (31b) with following bowl under locate protruding circle (34b) and all be shaped on the cylindrical lead angle inclined-plane (3a) of being convenient to snap in head tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120257364XU CN202163560U (en) | 2011-07-20 | 2011-07-20 | Headstock bowel component of outdoor bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120257364XU CN202163560U (en) | 2011-07-20 | 2011-07-20 | Headstock bowel component of outdoor bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202163560U true CN202163560U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120257364XU Expired - Fee Related CN202163560U (en) | 2011-07-20 | 2011-07-20 | Headstock bowel component of outdoor bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202163560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108025790A (en) * | 2015-09-30 | 2018-05-11 | 本田技研工业株式会社 | The bearing arrangement of axis |
| CN108407961A (en) * | 2018-02-28 | 2018-08-17 | 宁波巨隆机械股份有限公司 | A kind of bicycle integrated headset |
| CN112660287A (en) * | 2020-12-31 | 2021-04-16 | 句容志新精密五金零件有限公司 | Quick assembly structure for front fork bowl group |
-
2011
- 2011-07-20 CN CN201120257364XU patent/CN202163560U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108025790A (en) * | 2015-09-30 | 2018-05-11 | 本田技研工业株式会社 | The bearing arrangement of axis |
| CN108025790B (en) * | 2015-09-30 | 2020-10-23 | 本田技研工业株式会社 | Bearing structure of shaft |
| 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 |
| CN106005202B (en) * | 2016-07-25 | 2020-06-05 | 宁波巨隆机械股份有限公司 | Integral locomotive bowl that can realize quick installation |
| CN108407961A (en) * | 2018-02-28 | 2018-08-17 | 宁波巨隆机械股份有限公司 | A kind of bicycle integrated headset |
| CN108407961B (en) * | 2018-02-28 | 2024-05-10 | 宁波巨隆机械股份有限公司 | Integrated steering head of bicycle |
| CN112660287A (en) * | 2020-12-31 | 2021-04-16 | 句容志新精密五金零件有限公司 | Quick assembly structure for front fork bowl group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150916 Address after: 315012 Zhejiang Province, Ningbo Jiangbei District No. 89 vibration Yonglu Patentee after: NINGBO JULONG MACHINERY CO., LTD. Address before: Baocheng road Jiangbei District 315012 Zhejiang city of Ningbo province No. 22 Patentee before: Jialong Ind Co., Ltd., Ningbo |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20190720 |