CN2771089Y

CN2771089Y - Cycle head bowl set

Info

Publication number: CN2771089Y
Application number: CN 200420103321
Authority: CN
Inventors: 李坤元
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-31
Filing date: 2004-12-31
Publication date: 2006-04-12
Anticipated expiration: 2014-12-31

Abstract

The utility model relates to a cycle head bowl set; primarily, a bead nest and an oil seal ring are limited in a big diameter part of an upper bowl base by an upper cover and a bead nest and an oil seal ring are limited in a big diameter part of a lower bowl base by a lower cover before the cycle head bowl set is transported out of a factory; thus, when a cycle is assembled, a lower plug and a lower bowl base are firstly sheathed on a fork pipe; the bead nest of the lower bowl base is formed into a bearing of the fork pipe; a front pipe is sheathed in a small diameter part of the lower bowl base; then, an upper bowl base is sheathed between the front pipe and the fork pipe; the bead nest in the upper bowl base is formed into a bearing of the fork pipe; at last, a limitation ring is sheathed with a waterproof ring and then is sheathed on the fork pipe again; a gap between an upper cover and the limitation ring is closed by the waterproof ring, and assembly is finished. Components of the utility model are simple, which reduces time of assembling the cycle and reduces probability of assembly failure or fault appearance; thus, the utility model increases competitive power of products; the upper and the lower cover after assembly are not driven by the fork pipe after finishing the assembly; the utility model increases tightness for water prevention and dust prevention.

Description

Headstock bowl group

Technical field

The utility model relates to a kind of headstock bowl group, relates in particular to a kind of headstock bowl group that applies to bicycle.

Background technology

Bicycle has can go on a long journey the characteristic of taking into account again environmental protection, and in today of paying attention to recreation, cycling not only can be forged the chain physique, more can contribute to one's peace of mind of inner tranquility, therefore although the locomotive utilization rate is quite general, but truly have it can't replace the bicycle part, so bicycle still is popular among the people now, wherein, affect the key point of bicycle operation and the degree of balance, namely be and vertical tube, the headset structure of front pipe and front fork collocation installation, because vertical tube is to be connected in hundle-bar, therefore and front fork is the person that is connected in the front wheel, so headset is self-evident for the importance of bicycle,, the simpler easily person of the number of assembling steps of headset group, error rate is just lower when assembling, and security also promotes relatively, is the target of industry concerted effort so design a headset structure that is easy to assemble.

See also shown in Figure 1, it is existing headstock bowl group structure, it mainly is pipe 90 two ends before upper and lower bowl seat 91,92 is divided into, to be connected breeches pipe, and will be sheathed on upper and lower bowl seat 91,92 inner edges by the pearl nest 93 that steel ball and pearl dish are formed, and with upper and lower plug 94,95 with assembly clampings such as water proof ring 96, beam rings 97, outside last bowl seat 91, seal up a loam cake 98 at last and finish assembling.

This headset group assembly when assembling is very numerous and diverse as can be known from the above mentioned, need each parts of headset group is pieced together composition one by one, so when the assembling bicycle, will inevitably lower production efficiency, even raising human cost, and the dismounting maintenance process during fault also bothers, and so can cause again user's burden.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of assembling preparation easy, can enhance productivity, and the more perfect headset group of structure.

Be to realize the purpose of this utility model, the technical scheme that the utility model adopts is: a kind of headset group is provided, and it mainly comprises on one bowl group and bowl group once, and the bowl group comprises bowl seat, a loam cake, a pearl nest and a beam ring, a water proof ring on one this on; This lower bowl group comprises bowl seat, a lower cover, a pearl nest and once fills in; Should be formed with one than minor diameter part and than large-diameter portion by upper bowl seat, this manages the upper end before being fixed in bicycle than the minor diameter part cover, and should be installed with the pearl nest than large-diameter portion, and be fixed in upper bowl seat than the large-diameter portion openend with the loam cake cover, with the pearl nest be limited in upper bowl seat than in the large-diameter portion, with loam cake the pearl nest is limited in the upper bowl seat, loam cake, pearl nest, upper bowl seat group are integrated; This pearl nest is the breeches pipe fit with bicycle, and becomes the bearing of breeches pipe, and this beam ring also is sheathed on the breeches pipe, and this beam ring outer rim is arranged with a water proof ring, and with crack between water proof ring driving fit beam ring and the loam cake.

Further improvement in the technical proposal is:: this lower bowl seat is formed with one than minor diameter part and than large-diameter portion, this manages the lower end before being fixed in bicycle than the minor diameter part cover, and should be installed with the pearl nest than large-diameter portion, and with the lower cover cover be fixed in lower bowl the seat than the large-diameter portion openend, with the pearl nest be limited in lower bowl seat than in the large-diameter portion, with lower cover the pearl nest is limited in the lower bowl of seat, this lower cover, pearl nest, lower bowl of seat group are integrated; The breeches pipe fit of this pearl nest and bicycle, and become the bearing of breeches pipe, and this time plug sleeve is located on the breeches pipe.

Should be covered in pearl nest one end than the pearl nest that large-diameter portion was installed with an oil seal washer fit by upper bowl seat.

This loam cake is to combine in the spiral shell mode of establishing with last bowl seat.

This lower bowl seat is covered in pearl nest one end than the pearl nest that large-diameter portion was installed with an oil seal washer fit.

This lower cover is to be combined in the spiral shell mode of establishing with lower bowl of seat.

The beneficial effects of the utility model are: since the utility model be before the headset group is dispatched from the factory namely earlier with pearl nest and oil seal washer with loam cake spacing upper bowl of seat than large-diameter portion in, and with lower cover with pearl nest and oil seal washer spacing lower bowl seat than large-diameter portion in, so when the assembling bicycle, only need to be sheathed on earlier lower plug and lower bowl of seat on the breeches pipe, the pearl nest of the lower bowl seat of order forms the bearing of breeches pipe, with front pipe box be located at lower bowl seat than upper bowl cover for seat being located between front pipe and breeches pipe behind the minor diameter part, pearl nest in the order in the bowl seat forms the bearing of breeches pipe, at last beam ring is put water proof ring, be sheathed on the breeches pipe again, and make the slit between the closed loam cake of water proof ring and beam ring can finish assembling; The assembly of the utility model is easier minimizing bicycle built-up time not only, also can reduce the probability of assembling failure or generation fault, the competitiveness that so not only can promote product, and assembling finish after on lid and the neither meeting of lower cover driven by breeches pipe, more can increase the compactness water proof and dust proof.

Description of drawings

Fig. 1 is that existing headstock bowl component is separated cutaway view.

Fig. 2 is the utility model headstock bowl group three-dimensional exploded view.

Fig. 3 is that the utility model headstock bowl component is separated cutaway view.

Fig. 4 is the local amplification stereogram of bowl seat on the utility model headstock bowl group.

Fig. 5 is lower bowl of local amplification stereogram of seat of the utility model headset group.

Fig. 6 is the block diagram of the utility model headstock bowl group assembling completion status.

Fig. 7 is the cut-away view of the utility model headstock bowl group assembling completion status.

The specific embodiment

See also Fig. 2 to shown in Figure 5, headstock bowl group of the present utility model comprises that mainly the bowl group reaches bowl group on one; The bowl group be should go up and bowl seat 13, one loam cake 14, an oil seal washer 15 and a pearl nest 16 on a beam ring 11, the water proof ring 12, comprised; And this following bowl group comprise fill in 21, once bowl seat 22, one lower cover 23, an oil seal washer 24 and a pearl nest 25, wherein:

Should upper bowl seat 13 be by the upper end than large-diameter portion and lower end form a trapezoidal tubulose than minor diameter part, this on bowl seat 13 correspond within the front pipe 31 directly (front pipe separately reference is shown in Figure 6) than the minor diameter part external diameter, be fixed among the front pipe 31 so can overlap; And be installed with pearl nest 16 at upper bowl 13 than the large-diameter portion bottom, and be covered in pearl nest 16 upper ends with oil seal washer 15 fits, avoid the pearl nest 16 interior lubricated liquid outflows of using, be fixed in again the big footpath openend of upper bowl seat 13 with loam cake 14 close-fitting traps, make pearl nest 16 and oil seal washer 15 be limited in bowl seat 13 than in the large-diameter portion, make the user when the assembling bicycle, bowl seat 13, pearl nest 16, oil seal washer 15 namely are made as one in order to assembling with loam cake 14 on this;

The pearl nest 16 that should go up in the bowl seat 13 is to have the pearl dish of several grooves, and corresponding steel ball combines, with this pearl dish be sheathed on bowl 13 than the large-diameter portion bottom, and the footpath corresponds to footpath outside the bicycle branch pipe 32 (breeches pipe is separately with reference to shown in Figure 6) within this pearl dish, so can overlap and be fixed on the breeches pipe 32, and form rotatable bearing, make breeches pipe 32 free to rotate;

This beam ring 11 can be sheathed on the breeches pipe 32, and beam ring 11 bottoms contact with pearl nest 16, this beam ring 11 can rotate with pearl nest 16 thereupon when breeches pipe 32 rotates, and beam ring 11 upper end outer rims are formed with a concave ring groove 111, this concave ring groove 111 can be sheathed for water proof ring 12, by of the space driving fit of this water proof ring 12, to reach the effect of water proof and dust proof with 11 of loam cake 14 and beam rings.

This lower bowl seat 22 be by the lower end than large-diameter portion 221 and upper end forms a trapezoidal tubulose than minor diameter part 222, this lower bowl 22 correspond within the front pipe 31 directly than the minor diameter part external diameter is fixed among the front pipe 31 so can overlap; Be installed with pearl nest 25 at lower bowl 22 than the large-diameter portion top, and be covered in pearl nest 25 lower ends with oil seal washer 24 fits, avoid the pearl nest 25 interior lubricated liquid outflows of using, be fixed in again the big footpath openend of lower bowl of seat 22 with lower cover 23 close-fitting traps, make pearl nest 25 and oil seal washer 24 be limited in bowl seat 13 than in the large-diameter portion, make the user when the assembling bicycle, this lower bowl seat 22, pearl nest 25, oil seal washer 24 namely are combined into one in order to assembling with loam cake 23;

This following bowl seat 22 interior pearl nests 25 are to have the pearl dish of several grooves, and corresponding steel ball combines, this pearl dish is sheathed on down the large-diameter portion top of bowl seat 22, and the footpath is to correspond to footpath outside the bicycle branch pipe 32 within this pearl dish, so can overlap and be fixed on the breeches pipe 32, and form rotatable bearing, make breeches pipe 32 free to rotate;

This time plug 21 can be sheathed on the breeches pipe 32, and lower plug 21 upper ends contact with pearl nest 25, and this time plug 21 pearl nests 25 can rotate thereupon when breeches pipe 32 rotates, and lower plug 21 only is slightly less than footpath within the lower cover 23, so have the effect that the foreign matter of preventing enters.

The utility model headstock bowl group this

pearl nest

16,25,

oil seal washer

15,24 when dispatching from the factory have been inserted in the upper and

lower bowl seat

13,22, and be fixed in upper and

lower bowl seat

13,22 openings with upper and

lower cover

14,23 covers respectively than bigger diameter end, make

pearl nest

16,25 and

oil seal washer

15,24 be limited in the big footpath of upper and

lower bowl seat

13,22, it is become one, therefore when the assembling bicycle, assembling process will be more easy to be easy.

The continuous Figure 6 and Figure 7 that sees also, the utility model is inserted in lower plug 21 and lower bowl of seat 22 on the breeches pipe 32 earlier when assembling, makes lower bowl of seat 22 and lower plug 21 combinations, and make the pearl nest 25 and breeches pipe 32 interlocks of lower plug 21 and lower bowl seat 22, and the bearing of this pearl nest 25 can become breeches pipe 32 and rotate the time; With lower bowl of seat 22 be inserted in front pipe 31 lower ends than minor diameter part, and be the sheathed relation of tight fit with front pipe 31; Upper bowl seat 13 is inserted in front pipe 31 upper ends than minor diameter part, solid with breeches pipe 32 covers than the pearl nest 16 of establishing in the large-diameter portion with upper bowl 13 of season, be upper bowl seat 13 be the sheathed relation of tight fit than minor diameter part and front pipe 31, the pearl nest 16 of establishing in upper bowl 13 then becomes the bearing of breeches pipe 32; At last water proof ring 12 button is fixed in the concave ring groove 111 on the beam ring 11, again beam ring 11 is sheathed on the breeches pipe 32, and water proof ring 12 is covered the space of 11 of loam cake 14 and beam rings, so just finish the assembling of the utility model headset group.

The utility model headset group after assembling is finished, on this on the bowl seat under lid and the lower bowl seat lid because of with the breeches pipe applying, so not turned to by the breeches pipe band, so more can improve adaptation and closure, and then the possibility fallen into of minimizing foreign matter.

Claims

1, a kind of headset group, it mainly comprises on one bowl group and bowl group once, the bowl group comprises bowl seat, a loam cake, a pearl nest and a beam ring, a water proof ring on one this on; This lower bowl group comprises bowl seat, a lower cover, a pearl nest and once fills in; It is characterized in that: bowl seat is formed with one than minor diameter part and than large-diameter portion on this, this manages the upper end before being fixed in bicycle than the minor diameter part cover, and should be installed with the pearl nest than large-diameter portion, and be fixed in upper bowl seat than the large-diameter portion openend with the loam cake cover, with the pearl nest be limited in upper bowl seat than in the large-diameter portion, with loam cake the pearl nest is limited in the upper bowl seat, loam cake, pearl nest, upper bowl seat group are integrated; This pearl nest is the breeches pipe fit with bicycle, and becomes the bearing of breeches pipe, and this beam ring also is sheathed on the breeches pipe, and this beam ring outer rim is arranged with a water proof ring, and with crack between water proof ring driving fit beam ring and the loam cake.

2, headset group as claimed in claim 1, it is characterized in that: this lower bowl seat is formed with one than minor diameter part and than large-diameter portion, this manages the lower end before being fixed in bicycle than the minor diameter part cover, and should be installed with the pearl nest than large-diameter portion, and with the lower cover cover be fixed in lower bowl the seat than the large-diameter portion openend, with the pearl nest be limited in lower bowl seat than in the large-diameter portion, with lower cover the pearl nest is limited in the lower bowl of seat, this lower cover, pearl nest, lower bowl seat are organized and are integrated; The breeches pipe fit of this pearl nest and bicycle, and become the bearing of breeches pipe, and this time plug sleeve is located on the breeches pipe.

3, headset group as claimed in claim 1 or 2 is characterized in that: bowl seat is covered in pearl nest one end than the pearl nest that large-diameter portion was installed with an oil seal washer fit on this.

4, headset group as claimed in claim 1 or 2 is characterized in that: this loam cake is to be combined in the spiral shell mode of establishing with upper bowl seat.

6, headset group as claimed in claim 2 is characterized in that: this lower bowl seat is covered in pearl nest one end than the pearl nest that large-diameter portion was installed with an oil seal washer fit.

7, such as claim 2 or 6 described headset groups, it is characterized in that: this lower cover is to be combined in the spiral shell mode of establishing with lower bowl of seat.