CN201712746U - Headset structure of bicycle - Google Patents
Headset structure of bicycle Download PDFInfo
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- CN201712746U CN201712746U CN2009203515061U CN200920351506U CN201712746U CN 201712746 U CN201712746 U CN 201712746U CN 2009203515061 U CN2009203515061 U CN 2009203515061U CN 200920351506 U CN200920351506 U CN 200920351506U CN 201712746 U CN201712746 U CN 201712746U
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Abstract
The utility model provides a headset structure of a bicycle, which is assembled between a front tube and a front fork tube of the bicycle. The headset structure comprises an annular base assembly, a cover body, a tightening ring, wherein the annular base assembly is provided with an inner ring and an outer ring; the outer rind is butted against the front tube with the outer diameter edge for positioning; a baffle edge is outwardly extended from the center of the inner ring; a groove is formed on the inner diameter edge of the cover body from the lower side of the cover body up; the tightening ring arranged between the annular base assembly and the cover body; a flange is outwardly extended from the edge surface of the central end and can be accommodated inside the groove; and the lower side of the tightening ring is accommodated inside the inner diameter region of the baffle edge. The flange design effectively increases the inner diameter height of the tightening ring, enlarges the area of the part butted against the front fork tube, and enhances the tightening of the front fork tube and the transmission of rotation force, so that the turning of the front fork tube is smoother. Meanwhile, the tightening ring reduces the precision difference due to swing movement, and can be directly positioned during assembly through the baffle edge.
Description
Technical field
The utility model is relevant for a kind of compacting structure, refers to especially enable smooth and easy turn with the packing front fork tube between a kind of preceding pipe and front fork tube that is used in bicycle, but the headstock bowl group structure of the bicycle of transmission between reinforcement members simultaneously.
Background technology
Turning to of bicycle mainly makes vehicle frame still be towards the place ahead state, only simply handle turned and can be reached, and in other words, pipe is motionless before referring to, and handle, and mutually the stem established of group, with and the front fork tube and the front truck of below
, then also can rotate synchronously; Can reach the relative position spinning movement and manage both before front fork tube is reached, rely on and be located at front fork tube and preceding both headstock bowl groups of pipe.
The headstock bowl group member of bicycle mainly includes bearing part, forcing piece and lid etc., and bearing part also has and utilizes stacked upper and lower rivet holder, cooperates some steel balls to be located in enforcement aspect between upper and lower rivet holder; Utilize the bearing part internal diameter to be sheathed on front fork tube fit on forcing piece thereon with packing location, and the packing of bearing part external diameter be positioned before the bore edge, make the preceding pipe of two packing states and front fork tube produce relative position rotation start by bearing or steel ball etc. again.
Headstock bowl group can further be provided with pearl bowl seat, be fixedly arranged on the preceding pipe end edge with its external diameter, again bearing part is installed with the frame mode in it, this pearl bowl seat design is used in the preceding pipe of composite wood (being carbon fiber) more, this type of material is processed because of reaching the high precision internal diameter, thereby must close between Yu Qianguan and the bearing part with the matchmaker by pearl bowl seat.
For making turning to of bicycle more smooth and easy, stable, good headstock bowl group is necessary, industry is to make the spinning movement of headstock bowl group more smooth and easy, or the transmission of lifting rotation, the structure of researching and analysing each member all one by one with and action on details, therefore slight structural improvement often can reach sizable transmission benefit.
With packing ring, it mainly supports respectively with the two side ends edge and is affixed on bearing part internal diameter position and lid below, and the position that presses down is provided when establishing lid with group so that bearing part can locate with lid, packing ring, reach member such as front fork tube and rotate synchronously.
With the Bearing structure, constituted with inner and outer rings and ball, described ball is located between each described inner and outer rings, utilize sheathed each the described front fork tube of a lid, Bearing structure and before pipe, and described lid with described in interannular be provided with a tightening piece, each described tightening piece of mat and preceding tube wall urgent, be fixedly shape to fix each described outer shroud and ball, pipe and front fork tube are relative turn before making each described, and it is smooth and easy that tap and handle are rotated, and is convenient to the user and controls bicycle directional.
The structure of existing relevant headstock bowl group, as No. 090221165 novel patent in tw Taiwan disclosed " headstock bowl group structural improvement ", it is mainly reached by a lid, the lower bearing group is formed, on wherein said, the lower bearing group respectively includes a bearing seat, ball, ball rail and water proof ring lid, and of the present utility model being characterised in that: described lid is the setting of a separation type, it mainly comprises a circular arc lid and a card body, the inner edge of described card body is extended with an end face, the outer rim of end face then is formed with forced section, the conical surface and extension, wherein said forced section is limited by the circular arc lid, the described conical surface is then for fastening in the tapering of ball rail, described extension then is disposed at the inner edge of bearing set, so can reach effect of the present utility model by said structure.
Other has a kind of existing headstock bowl structure, the tw Taiwan No. 091106704 disclosed headstock bowl of novel patent group, described headstock bowl group then includes: a head bearing, be located in the form of a ring in the last annular groove of described preceding pipe, described head bearing and with its outer rim paste be butted on described before the inner edge of pipe, the inner edge top of described head bearing is provided with a conical surface; One upper tighten piece, in the form of a ring and have a breach, be to be sheathed on outside the described front fork straight tube, described upper tighten piece includes wall portion always, one embedding part is stretched out by described straight wall portion top, one top is stretched out by described straight wall portion stage casing, and one hook-holding part stretch out by described straight wall portion bottom, wherein, described top is provided with the conical surface subsides of a corresponding conical surface and described head bearing and supports, described hook-holding part hook is butted on the root edge of described head bearing, and so that described upper tighten piece and described head bearing are combined, the inner edge of described straight wall portion then pastes the outer rim that is butted on described front fork straight tube; An and cover piece, in the form of a ring, it is outer and be positioned at the top of described upper tighten piece and described head bearing to be sheathed on described front fork straight tube, the bottom that is butted on described handle rack pipe is also pasted in its top, the inner edge of described cover piece is provided with a caulking groove, use embedding part to embed, so that described cover piece and described upper tighten piece are combined for described upper tighten piece.
The above-mentioned structure of taking off, the former is to be main patent claim at the packing ring structure, circular arc lid 1A and card body 1B that it has separation type can make set forced section 1E, a conical surface 1F and the extension 1G of its card body 1B, reach better unitized construction effect; The opposing party cooperates described extension 1G stressed in the contact surface 62 of ball rail 6, and between the tube wall because of its Jie's ball rail 6 and front fork steel pipe 14, therefore can reach its mean forced, and then makes its integral structure more firm and do not have a structure effect in any space.
Latter's structure then is to be its improvement emphasis at the Bearing structure, utilize the head bearing of described headstock bowl group to be butted on described preceding pipe inner edge with its outer rim subsides, and the described head bearing its inner rim conical surface pastes with the corresponding conical surface of described upper tighten piece and supports, it is sheathed so that described upper tighten piece is incorporated on the described front fork straight tube to see through described cover piece, makes described upper tighten piece compel to support described head bearing to be mounted on the described front fork straight tube.
Summary of the invention
At the described card body of former structure, promptly refer to the packing ring of general common name, its structure design list is only done adding of described extension with card body below; But, circular arc lid with only block between body with plane contact and do the downforce transmission, especially the lid root edge internal diameter of two phase-contact surfaces forms the slip scope much larger than the card body diameter, when establishing, group causes card body beat easily because of downforce is uneven slightly, and then make members such as lower shaft bearing, ball, ball rail also be subjected to beat state and uneven downforce, and be subjected to wearing away improperly situation, even the smoothness of influence rotation.
Analyze the Bearing design of latter's structure, the bearing arrangement of described headstock bowl group (being the Bearing structure) only supports for corresponding conical surface subsides between each described forcing piece and tube wall by the conical surface of its inner and outer rings, when if described forcing piece has eccentric state when placing, each described conical surface is fitted, and being stood, whole group is crooked shape, then produce wearing and tearing and unbalance stress situation because of interfering mutually between each member, consume described Bearing structure easily.
This case creator thinks aforementioned both existing headstock bowl structures, on its structure and the technical space that still has improvement, to reach better transmission effect, therefore provides a kind of headstock bowl compacting structure in addition.
(technological means of dealing with problems)
In view of this, the headstock bowl group structure of bicycle that the utility model discloses, mainly be mounted between bicycle one a preceding pipe and the front fork tube, it includes: a ring seat group, its have be mutually folded establish state one in a ring and an outer shroud, described outer shroud is located extension one retaining edge outside described interior ring is faced by central ora terminalis with its external diameter edge to being affixed on described preceding pipe; One lid is located at the hollow base frame of described ring seat group top, and the described lid of its internal diameter cause below is formed with a groove up; One packing ring, for being located at the hollow ring body between each described ring seat group and lid, outside facing, extends central ora terminalis a flange, its external diameter can match with described groove and be installed with in it, described packing ring below is located in the set inside diameter of described retaining edge, and the position is provided with a sleeved part in the central, for described front fork tube setting wherein;
By above-mentioned member, utilize the design of described flange, the internal diameter edge height of described packing ring is increased, support the area that pastes to strengthen with the front fork tube external diameter, can strengthen effect with front fork tube packing and rotational force conduction, can make the spinning movement of front fork tube more stablize smooth and easy, packing ring is difficult for beat simultaneously, can reduce the low precision that produces because of swing, the described retaining edge that cooperation utilizes described interior ring top to extend can directly be located for described forcing piece group immediately, and has calibration result, to reach the effect of quick location, and the effect of quick assembly and firm combination is provided, so integral structure can reach convenient utility.
(effect against existing technologies)
Main purpose of the present utility model promptly is to provide a kind of headstock bowl group structure of bicycle, design with the flange fit, packing ring can be embedded to be positioned in the lid, when pressing down packing, can reduce packing ring and produce the situation that beat causes the pressure inequality that bearing part bears, therefore can promote front fork tube and before both counterrotating smoothness of pipe.
An of the present utility model purpose promptly is to provide a kind of headstock bowl group structure of bicycle, be provided with flange on packing ring, cooperate and to be provided with the groove that connects in the lid inner edge, can increase the area of contact between packing ring and lid, better in the strength conductance of carrying out lower compression tightening position operation, to reach the effect of firm combination.
A purpose more of the present utility model promptly is to provide a kind of headstock bowl group structure of bicycle, a retaining edge is extended on the top, top of ring in described, the internal diameter groove that its ring is established formation can supply described forcing piece when group is established wherein, the phenomenon of off center line can not take place, and have calibration result, and provide described forcing piece group can reach accurately and group is set the position apace effect immediately.
A more purpose of the present utility model promptly is to provide a kind of headstock bowl group structure of bicycle, and the extended described retaining edge in described interior ring top can increase the area of thrust surface that are tight against of interior ring and forcing piece, and then strengthen stressed degree of uniformity, to reach the effect of strong fix.
In order to achieve the above object, the utility model provides a kind of headstock bowl group structure of bicycle, mainly is mounted between bicycle one a preceding pipe and the front fork tube, and it includes:
One ring seat group, its have be mutually folded establish state one in a ring and an outer shroud, described outer shroud with its external diameter edge support be affixed on described before pipe and locating, described in ring face the outer retaining edge that extends by central ora terminalis;
One lid is located at the hollow base frame of described ring seat group top, and the described lid of described lid internal diameter cause below is formed with a groove up;
One packing ring, for being located at the hollow ring body between each described ring seat group and described lid, outside facing, extends central ora terminalis a flange, described packing ring external diameter edge can match with described groove and make described packing ring can be installed with in the described groove, and described packing ring below is located in the set internal diameter edge of described retaining edge inside; And be provided with a sleeved part at described packing ring central part, be arranged in the described sleeved part for described front fork tube.
During enforcement, described in ring be centre in the form of a ring and have an erection part, described in the ring top extend a top continuously with inclined-plane, and on top, described top the described retaining edge of vertical extent upwards continuously.
During enforcement, described packing ring below is formed with the contact tapering that can amplexiform mutually with described top.
During enforcement, described retaining edge is located at top, described top in integrally formed mode; Described erection part is located at below, described top in integrally formed mode.
During enforcement, described interior ring and described outer interannular are provided with a plurality of steel balls.
During enforcement, described groove is arranged with the common formation of institute continuously with one first rank groove and one second rank groove, and the internal diameter of the described first rank groove is greater than the internal diameter of the described second rank groove; The root edge face of the described first rank groove is made as one first and supports face; The described second rank groove supports face by an adjacent lateral margin face and one second and is formed.
During enforcement, described flange is convexly equipped with the common formation of institute continuously with one first rank portion and one second rank portion, and the external diameter of the described first rank portion is greater than the external diameter of the described second rank portion; The rim surface of the described first rank portion be provided with can with described first support one first terrace that face connects; The rim surface of the described second rank portion be provided with can with described second support one second terrace that face connects.
During enforcement, described groove is arranged with the common formation of institute continuously with one first rank groove and one second rank groove, and the internal diameter of the described first rank groove is greater than the internal diameter of the described second rank groove; One colludes and establishes groove, is towards the groove of the internal diameter that radially is arranged with continuously greater than the described second rank groove internal diameter by the described second rank groove.
During enforcement, described flange is convexly equipped with the common formation of institute continuously with one first rank portion and one second rank portion, and the external diameter of the described first rank portion is greater than the external diameter of the described second rank portion; One colludes and establishes edge, be by the described second rank portion towards radially extending the flange of internal diameter continuously greater than the described second rank groove internal diameter, can establish groove and be embedded mutually with described colluding.
During enforcement, the headstock bowl group structure of bicycle described in the utility model further is provided with one bowl of seat, and this bowl seat is located between each described ring seat group and described preceding pipe; This bowl seat centre forms the one bowl of groove that is the hollow groove shape, and described outer being located in it is provided; Described bowl groove bottom forms one bowl of groove tapering with inclined-plane.
During enforcement, described outer shroud bottom is formed with the outer annular conical surface with gradient, can with described bowl of groove tapering paste mutually to.
Compared with prior art, the headstock bowl group structure of bicycle described in the utility model is used between the preceding pipe and front fork tube of bicycle, enables smooth and easy turn with the packing front fork tube, but transmission between reinforcement members simultaneously.
Description of drawings
Fig. 1 is the stereo appearance figure of the utility model one preferred embodiment;
Fig. 2 is the perspective exploded view of the utility model one preferred embodiment;
Fig. 3 is the assembled sectional view of the utility model one preferred embodiment;
Fig. 4 is the lid and the packing ring decomposing schematic representation of the utility model one preferred embodiment;
Fig. 5 is the partial enlarged drawing of the combination of the utility model one preferred embodiment;
Fig. 6 is the perspective exploded view of another embodiment of the utility model;
Fig. 7 is the assembled sectional view of another embodiment of the utility model;
Fig. 8 is the partial enlarged drawing of the combination of another embodiment of the utility model;
Fig. 9 is the assembled sectional view of another embodiment of the utility model;
Figure 10 is the partial enlarged drawing of the combination of another embodiment of the utility model.
Description of reference numerals: preceding pipe-10; Lid-50; Preceding pipe cone section-11; Groove-51; Front fork tube-20; The first rank groove-52; Bowl seat-30; First supports face-521; Bowl groove-31; The second rank groove-53; Bowl groove tapering-32; Lateral margin face-531; Ring seat group-40; Second supports face-532; Interior ring-41; Collude and establish groove-54; Erection part-411; Packing ring-60; Top-412; Flange-61; Retaining edge-413; The first rank portion-62; Outer shroud-42; First terrace-621; Outer shroud tapering-421; The second rank portion-63; Steel ball-43; Second terrace-631; Sleeved part-64; Contact tapering-65; Collude and establish edge-66.
The specific embodiment
At first please refer to Fig. 1 to Fig. 5, the headstock bowl group structure of a kind of bicycle provided by the utility model, mainly be located in two ora terminalis of pipe 10 before one and between the front fork tube 20, it includes: one bowl of seat 30, and be located at a described bowl of ring seat group 40, a lid 50 and the packing ring 60 in the seat 30.
One bowl of seat 30, be located at respectively described before in 10 liang of ora terminalis of pipe and locate, described bowl seat 30 centre form the one bowl of groove 31 that is the hollow groove shape; Described bowl groove 31 bottom surfaces form one bowl of groove tapering 32 with inclined-plane.
Described ring seat group 40, its have be mutually folded establish state one in ring 41 and one outer shroud 42, described outer shroud 42 supports with its external diameter edge and is affixed on described bowl groove 31 and locatees; Described outer shroud 42 bottoms are formed with the outer annular conical surface 421 with gradient, can paste mutually with described bowl groove tapering 32 and support; Ring 41 centre in the form of a ring and be formed with an erection part 411 in described; The inclined-plane is extended continuously in described erection part 411 top one in one top 412; One retaining edge 413 is by described top 412 top one vertical extent upwards continuously; Ring 41 and 42 of described outer shrouds are provided with a plurality of steel balls 43 in described; Pipe 10, described bowl seat 30 and described outer shroud 42 can be done synchronous turn before described.
Described lid 50 is located at the hollow base frame of described ring seat group 40 tops, and the described lid of the internal diameter cause of described lid 50 50 belows are formed with a groove 51 up; Described groove 51 is to be arranged with the common formation of institute continuously with one first rank groove 52 and one second rank groove 53, and the internal diameter of the described first rank groove 52 is greater than the internal diameter of the described second rank groove 53; The root edge face of the described first rank groove 52 is made as one first and supports face 521; The described second rank groove 53 supports face 532 by an adjacent lateral margin face 531 and one second and is formed.
Described packing ring 60 for being located at the hollow ring body of 50 of each described ring seat group 40 and lids, extends a flange 61 outside central ora terminalis faces, these flange 61 external diameters can match with the external diameter of described groove 51 and make described flange 61 be contained in the described groove 51; Described flange 61 is convexly equipped with the common formation of institute continuously with one first rank portion 62 and one second rank portion 63, and the external diameter of the described first rank portion 62 is greater than the external diameter of the described second rank portion 63; The rim surface of the described first rank portion 62 be provided with can with described first support one first terrace 621 that face 521 connects; The rim surface of the described second rank portion 63 be provided with can with described second support one second terrace 631 that face 532 connects; Described packing ring 60 belows are located in described retaining edge 413 set inside diameter; Described packing ring 60 central parts are provided with a sleeved part 64, for described front fork tube setting wherein; Described packing ring 60 belows are located in one contact tapering 65, can amplexiform mutually with described top 412; Described packing ring 60 central described sleeved part 64 effectively are connected on the described front fork tube 20 external diameter edge, and each described lid 50, packing ring 60 and interior ring 41 can be done synchronous turn.
Utilize the design of described flange, the internal diameter edge height of described packing ring is increased, support the area that pastes to strengthen with the front fork tube external diameter, can strengthen effect with front fork tube packing and rotational force conduction, can make the spinning movement of front fork tube more stablize smooth and easy, packing ring is difficult for beat simultaneously, can reduce the low precision that produces because of swing; On the other hand, the described retaining edge that cooperation utilizes described interior ring top to extend can directly be located for described forcing piece group immediately, and has calibration result, to reach the effect of quick location, and the effect of quick assembly and firm combination is provided, so integral structure can reach convenient utility.
By for further understand the utility model structural attitude, application technology means and the effect reached of expection, now the utility model occupation mode is described below:
When the utility model is established in group, at first in advance described ring seat group is established for 40 groups, establish and be installed with each described steel ball 43 between the two each described inner and outer rings 41,42 is folded in it; Then described bowl seat 30 is located at described before in the top ora terminalis of pipe 10, and described ring seat group 40 is connected in the described bowl seat 40 with the external diameter edge of described outer shroud 42 and fixes; Described front fork tube 20 is worn in each described preceding pipe 10 and the sleeved part 64; Follow sheathed in regular turn each described packing ring 60 and lid 50, this moment, described packing ring 60 belows were located in the described retaining edge 413, and 65 subsides of described contact tapering are butted on the described supporting part 412, and described flange 61 be embedded be positioned in the described groove 51 after, begin to carry out packing and press down operation, promptly execute a downforce, can be positioned on the described front fork tube 20 to members such as each described lid 50, packing ring 60 and interior rings 41 by described lid 50, and can do spinning movement synchronously, promptly group is established and is finished.
The utility model is being made relative rotary motion, be and drive bicycle when carrying out turning action, each assembly will be divided into two groups and produce different starts respectively, the one group for be positioned described before on the pipe 10 and with its with moving, another group then be positioned described front fork tube 20 and with its with moving; Wherein each described bowl seat 30 and outer shroud 42 can be done synchronous turn with described preceding pipe 10, and each described lid 50, packing ring 60 and interior ring 41 can be done synchronous turn with described front fork tube 20; Each described two groups of member utilizes each described steel ball 43 to make the media of rolling touch jointly, and make each described front fork tube 20 and before pipe 10 both can produce relative rotatablely moving, so when driving turning, pipe 10 can be kept motionless before described, and the described front fork tube 20 of rotating handles and below thereof can reach swimmingly and turn.
Described packing ring 60 of the present utility model, both are embedded blocking mutually to utilize described flange 61 and described groove 51, and this structure design can reach following four effects:
One, establish described lid 50 above described packing ring 60 time in group, can locate fast and both alignment precisions good, so be difficult for producing eccentric, out-of-position situation between member.
Two, establish the good state of back precision based on aforementioned each described lid 50 and packing ring 60 both groups, pressing down described lid 50 when giving the operation of packing location, described lid 50 can apply pressure on the described packing ring 60 comparatively equably, therefore can reduce described packing ring 60 and produce the situation that beats cause the pressure inequality that the described ring seat group 40 in below bears, so promoted each described front fork tube 20 and before pipe 10 both counterrotating smoothness.
Three, with the design of each described flange 61 and groove 51, can increase the area of contact of 50 of each described packing ring 60 and lids, better in the strength conductance of carrying out lower compression tightening position operation, to reach the effect of firm combination.
Four, described packing ring 50 central authorities convex with described flange 61, to increase the height of internal diameter edge, therefore increase in supporting the area of contact of pasting described front fork tube 20 external diameter edge, except the conductance that makes each described front fork tube 20 and 60 turn power of packing ring is more promoted, the effect of described packing ring 60 location is effectively promoted.
On the other hand, the design of the location structure of described packing ring 60 belows of the present utility model and described retaining edge 413 can reach following four effects:
One, the utility model is with on the ring 41 in described, extend described retaining edge 413 continuously on 412 tops, described top, the phenomenon of off center line can not take place, and have calibration result for described forcing piece 60 when group be established wherein in the internal diameter groove that utilizes described retaining edge 413 to encircle to establish formation.
Two, described retaining edge 413 more provides 60 groups of described forcing pieces immediately, can reach accurately and group is set the position apace effect.
Three, described retaining edge 413 of the present utility model can increase each described in ring 41 and forcing piece 20 between the two be tight against area of thrust surface, and then promote both evenly stressed, unlikely generation unbalance stress situation, so the steadiness that the lifting group is upright is whole tool convenient utility.
Please refer to Fig. 6-Fig. 8, be another embodiment of the present utility model, wherein said groove 51 further is provided with one and colludes and establish groove 54, by the described second rank groove 53 towards the groove that radially is arranged with continuously than large diameter; Described flange 61 is provided with one and colludes and establish edge 66,, can be established groove 54 and is embedded mutually with described colluding towards the flange that radially extends big external diameter continuously by the described second rank portion 63.
This one implements aspect, and mainly further adding respectively on each described flange 61 and groove 51 has each described colluding to establish edge 66 and collude and establish groove 54 again; This structure design, make the combination of each described lid 50 and 60 liang of members of packing ring more tight and firm, also more can be reduced to group and establish both degrees of offset of back, and make the performance of assembly precision better, the downforce endurance is more even, and the smoothness of the described ring seat group 40 in below is more promoted; On the other hand, each described colluding is established edge 66 and is colluded the structure design of establishing groove 54, increases the area of contact between each described lid 50 and 60 liang of members of packing ring, and conductance is promoted, and makes the more effective raising of effect of packing location.
Please refer to Fig. 8 and Fig. 9, be an embodiment more of the present utility model, it further removes the use of described bowl seat 30, manages 10 structures to be applicable to metal material before described, wherein said before the pipe 10 ora terminalis positions be concaved with tank, and before the tank bottom surface is provided with one pipe cone section 11.
Group is when establishing, with described ring seat group 40 directly be mounted on described before in the two ora terminalis tanks of pipe 10, this moment described outer shroud tapering 421 support be affixed on described before pipe cone section 11, and make the external diameter edge of described outer shroud 42 be connected to described before in the pipe 40 and fix; Described front fork tube 20 is worn in each described preceding pipe 10 and the sleeved part 64; Follow sheathed in regular turn each described packing ring 60 and lid 50, this moment, described packing ring 60 belows were located in the described retaining edge 413, and 65 subsides of described contact tapering are butted on the described supporting part 412, and described flange 61 be embedded be positioned in the described groove 51 after, begin to carry out packing and press down operation, promptly execute a downforce, can be positioned on the described front fork tube 20 to members such as each described lid 50, packing ring 60 and interior rings 41 by described lid 50, and can do spinning movement synchronously, promptly group is established and is finished.
This embodiment and previous embodiment be the design by described retaining edge 413 and each described groove 51 and flange 61 equally, so that accurate group of upright and effect of location fast to be provided, and stressed identical effect such as even.
Comprehensively above-mentioned, the headstock bowl group structure of the disclosed bicycle of the utility model, provide a tool can reach the compacting structure that equal power is born effect, mainly be used in and be respectively equipped with each the described flange that can be embedded mutually and the structure design of groove on each described lid and the packing ring, when establishing, group can locate accurately and apace, after establishing, group is difficult for producing the skew situation between the two, therefore when pressing down the packing operation, described packing ring can be exerted pressure to described bearing part equably, can keep its precision to promote smooth rotation and make described bearing part also be difficult for beat, described flange and groove increase between each described lid and packing ring simultaneously, and the area of contact between each described packing ring and front fork tube and the preferable conductance of tool; On the other hand, the utility model also provides a kind of Bearing structure capable of rapid positioning, described retaining edge is extended on the top of ring in described, can can be embedded the location, back wherein in group for described packing ring immediately, and has calibration result, simultaneously can promote locating accuracy and reduce eccentric situation, and can increase the area of thrust surface that are tight against of described interior ring, except that make stressed evenly, also can supply described forcing piece strong fix, and obtain one firm in conjunction with and the high headstock bowl structure of assembling convenience, make whole really tool industrial applicability and cost benefit, and it constitutes structure and had not seen all books and periodicals or public use again, really meet novel patent application important document, earnestly ask an ancient unit of weight office explicit example for reference, grant a patent early, most sense is prayed.
Need Chen Mingzhe, the above is specific embodiment of the utility model and the know-why used, if comply with the change that conception of the present utility model is done, when the function that it produced bright book of not Chao yet Chu Said and graphic contain spiritual, all should in scope of the present utility model, close and give Chen Ming.
Claims (11)
1. the headstock bowl group structure of a bicycle mainly is mounted between bicycle one a preceding pipe and the front fork tube, it is characterized in that it includes:
One ring seat group, its have be mutually folded establish state one in a ring and an outer shroud, described outer shroud with its external diameter edge support be affixed on described before pipe and locating, described in ring face the outer retaining edge that extends by central ora terminalis;
One lid is located at the hollow base frame of described ring seat group top, and the described lid of described lid internal diameter cause below is formed with a groove up;
One packing ring, for being located at the hollow ring body between each described ring seat group and described lid, outside facing, extends central ora terminalis a flange, described packing ring external diameter edge can match with described groove and make described packing ring can be installed with in the described groove, and described packing ring below is located in the set internal diameter edge of described retaining edge inside; And be provided with a sleeved part at described packing ring central part, be arranged in the described sleeved part for described front fork tube.
2. the headstock bowl group structure of bicycle as claimed in claim 1, it is characterized in that, in described ring be centre in the form of a ring and have an erection part, described in the ring top extend a top with inclined-plane continuously, and the vertically extending described retaining edge that makes progress continuously on top, described top.
3. the headstock bowl group structure of bicycle as claimed in claim 2 is characterized in that, described packing ring below is formed with the contact tapering that can amplexiform mutually with described top.
4. the headstock bowl group structure of bicycle as claimed in claim 2 is characterized in that described retaining edge is located at top, described top in integrally formed mode; Described erection part is located at below, described top in integrally formed mode.
5. the headstock bowl group structure of bicycle as claimed in claim 1 is characterized in that, described interior ring and described outer interannular are provided with a plurality of steel balls.
6. the headstock bowl group structure of bicycle as claimed in claim 1 is characterized in that, described groove is arranged with the common formation of institute continuously with one first rank groove and one second rank groove, and the internal diameter of the described first rank groove is greater than the internal diameter of the described second rank groove; The root edge face of the described first rank groove is made as one first and supports face; The described second rank groove supports face by an adjacent lateral margin face and one second and is formed.
7. the headstock bowl group structure of bicycle as claimed in claim 6 is characterized in that, described flange is convexly equipped with the common formation of institute continuously with one first rank portion and one second rank portion, and the external diameter of the described first rank portion is greater than the external diameter of the described second rank portion; The rim surface of the described first rank portion be provided with can with described first support one first terrace that face connects; The rim surface of the described second rank portion be provided with can with described second support one second terrace that face connects.
8. the headstock bowl group structure of bicycle as claimed in claim 1 is characterized in that, described groove is arranged with the common formation of institute continuously with one first rank groove and one second rank groove, and the internal diameter of the described first rank groove is greater than the internal diameter of the described second rank groove; One colludes and establishes groove, is towards the groove of the internal diameter that radially is arranged with continuously greater than the described second rank groove internal diameter by the described second rank groove.
9. the headstock bowl group structure of bicycle as claimed in claim 8 is characterized in that, described flange is convexly equipped with the common formation of institute continuously with one first rank portion and one second rank portion, and the external diameter of the described first rank portion is greater than the external diameter of the described second rank portion; One colludes and establishes edge, be by the described second rank portion towards radially extending the flange of internal diameter continuously greater than the described second rank groove internal diameter, can establish groove and be embedded mutually with described colluding.
10. the headstock bowl group structure of bicycle as claimed in claim 1 is characterized in that it further is provided with one bowl of seat, and this bowl seat is located between each described ring seat group and described preceding pipe; This bowl seat centre forms the one bowl of groove that is the hollow groove shape, and described outer being located in it is provided; Described bowl groove bottom forms one bowl of groove tapering with inclined-plane.
11. the headstock bowl group structure of bicycle as claimed in claim 10 is characterized in that, described outer shroud bottom is formed with an outer annular conical surface of gradient, can with described bowl of groove tapering paste mutually to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203515061U CN201712746U (en) | 2009-12-25 | 2009-12-25 | Headset structure of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203515061U CN201712746U (en) | 2009-12-25 | 2009-12-25 | Headset structure of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201712746U true CN201712746U (en) | 2011-01-19 |
Family
ID=43458745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203515061U Expired - Fee Related CN201712746U (en) | 2009-12-25 | 2009-12-25 | Headset structure of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201712746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104769295A (en) * | 2012-06-25 | 2015-07-08 | 阿克洛斯运动器材有限公司 | Bearing shell for a bearing |
| CN111824314A (en) * | 2019-04-23 | 2020-10-27 | 拓肯兴业股份有限公司 | Gasket and bicycle steering mechanism comprising same |
-
2009
- 2009-12-25 CN CN2009203515061U patent/CN201712746U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104769295A (en) * | 2012-06-25 | 2015-07-08 | 阿克洛斯运动器材有限公司 | Bearing shell for a bearing |
| CN111824314A (en) * | 2019-04-23 | 2020-10-27 | 拓肯兴业股份有限公司 | Gasket and bicycle steering mechanism comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20111225 |