JPH0220156Y2 - - Google Patents
Info
- Publication number
- JPH0220156Y2 JPH0220156Y2 JP9400384U JP9400384U JPH0220156Y2 JP H0220156 Y2 JPH0220156 Y2 JP H0220156Y2 JP 9400384 U JP9400384 U JP 9400384U JP 9400384 U JP9400384 U JP 9400384U JP H0220156 Y2 JPH0220156 Y2 JP H0220156Y2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- holding frame
- bicycle
- fixed
- front frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005219 brazing Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は自転車、特にその前フレームの上部
左右一対のガード棒を配置した婦人用自転車に関
するものである。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a bicycle, particularly a women's bicycle in which a pair of left and right guard rods are arranged at the upper part of the front frame of the bicycle.
婦人用自転車はヘツドパイプと後フレームの下
端とを前フレームにより連結することにより、前
フレームの後部を低くして、婦人が自転車のフレ
ームをまたぎ易いようにしている。
In women's bicycles, the head pipe and the lower end of the rear frame are connected by the front frame, so that the rear part of the front frame is lowered so that women can easily step over the bicycle frame.
また、前フレームの上部に左右一対のガード棒
を配置して自転車に乗つた婦人のスカートの裾を
受けるようにするとともに補強の作用も果たすよ
うにしたものである。 Furthermore, a pair of left and right guard rods are arranged at the top of the front frame to receive the hem of a woman's skirt while riding a bicycle, and also to serve as reinforcement.
このような婦人用自転車において、前フレーム
とガード棒の中間部は第６図、第７図のような構
造により連結されている。 In such a women's bicycle, the front frame and the intermediate portion of the guard rod are connected by a structure as shown in FIGS. 6 and 7.
この図において、１は前フレーム、２は左右一
対のガード棒である。Ｂは保持枠で、鋼板などの
金属板からなる支板４上に横向きの金属パイプ５
をロウ付けなどの手段で固定したもので、支板４
の下端は第６図のように前後に２叉状に開いてお
り、この前後部を前フレーム１上にロウ付けなど
の手段により固定し、パイプ５の両端を左右のガ
ード棒２の相対向する面にロウけなどの手段で固
定する。 In this figure, 1 is a front frame, and 2 is a pair of left and right guard rods. B is a holding frame in which a horizontal metal pipe 5 is placed on a support plate 4 made of a metal plate such as a steel plate.
The base plate 4 is fixed by brazing or other means.
The lower end of the pipe 5 is opened in a bifurcated shape in the front and rear as shown in FIG. Fix it to the surface by waxing or other means.
上記のような従来の保持枠Ｂは、鋼板を所望の
形状に切断して支板４を成形する必要があり、金
属パイプ５はその両端を金属パイプからなるガー
ド棒２の曲面に適合する形状成形しなければなら
ず、また、支板４の上端の弧状凹所にパイプ５を
はめてロウ付けなどの手段で接合しなければなら
ないので製作にきわめて手数がかかるという問題
があつた。
In the conventional holding frame B as described above, it is necessary to cut a steel plate into a desired shape to form the support plate 4, and the metal pipe 5 has both ends shaped to match the curved surface of the guard rod 2 made of metal pipe. In addition, the pipe 5 must be fitted into an arc-shaped recess at the upper end of the support plate 4 and joined by means such as brazing, which poses a problem in that manufacturing is extremely time-consuming.
上記のような問題点を解決するため、この考案
は前フレームとガード棒の中間部を結合させる保
持枠を、前後方向に張出し部を有する下部と、そ
の上部の前部片と後部片を左右に屈曲して上部を
凹面とするように円弧状した左右の受片を有する
形状に一枚の金属板により形成し、この保持枠の
下部を前フレーム上にロウ付けなどの手段で固定
し、同保持枠の左右の受片で左右のガード棒を支
持するとともにロウ付けなどの手段で固定したも
のである。
In order to solve the above-mentioned problems, this invention has a holding frame that connects the front frame and the middle part of the guard rod. The holding frame is formed from a single metal plate into a shape having left and right receiving pieces that are arcuate so that the upper part is concave, and the lower part of this holding frame is fixed to the front frame by means such as brazing. The left and right guard pieces of the holding frame support the left and right guard rods and are fixed by means such as brazing.
この考案は上記の構成としたものであるから、
前フレームの中間部の上側に保持枠の下部をロウ
付けなどの手段で固定し、上部両側の受片により
左右のガード棒を支持してこのガード棒と受片と
をロウ付けすることにより前フレームと左右のガ
ード棒の中間部は一体に結合される。
Since this idea has the above structure,
The lower part of the holding frame is fixed to the upper side of the middle part of the front frame by means such as brazing, and the left and right guard rods are supported by the support pieces on both sides of the upper part, and the guard rods and the support pieces are brazed. The frame and the intermediate portions of the left and right guard rods are integrally connected.
第１図ないし第５図に基づいて実施例を説明す
れば、１１は自転車のヘツドパイプ、１２はこの
ヘツドパイプに前端を固定した前フレームで、そ
の後端は後フレーム１３の下端に固定される。１
４は左右一対のガード棒で、その前後端はヘツド
パイプ１１と後フレーム１３にそれぞれ固定され
ている。
The embodiment will be described based on FIGS. 1 to 5. Reference numeral 11 denotes a bicycle head pipe, 12 a front frame whose front end is fixed to the head pipe, and whose rear end is fixed to the lower end of a rear frame 13. 1
Reference numeral 4 denotes a pair of left and right guard rods, the front and rear ends of which are fixed to the head pipe 11 and the rear frame 13, respectively.
Ａは前フレーム１２とガード棒１４の中間部を
一体に結合する保持枠である。この保持枠Ａは第
５図のように一枚の鋼板などの金属板で形成した
ものである。 A is a holding frame that connects the front frame 12 and the middle part of the guard rod 14 together. As shown in FIG. 5, this holding frame A is formed of a metal plate such as a steel plate.
すなわち、下部１６は前後に張出し部を設け、
上部には上端中間部から切込みを設け、この切込
みの前方の前部片を側方へ屈曲するとともに、上
部が凹面となるように円弧状に屈曲して受片１７
を形成し、切込みの後方の後部片を他側方へ屈曲
して受片１８を形成する。 That is, the lower part 16 is provided with overhangs at the front and rear,
A notch is provided in the upper part from the middle part of the upper end, and the front piece in front of this notch is bent to the side and bent in an arc shape so that the upper part becomes a concave surface to form the receiving piece 17.
The receiving piece 18 is formed by bending the rear piece behind the notch to the other side.
この実施例の場合、第４図のように前フレーム
１２上に保持枠Ａの下部１６を当てがつて、その
前後の張出部をロウ付けなどの手段により固定す
る。また、上部両側の受片１７，１８の上部の凹
面に各ガード棒１４をはめロウ付けなどの手段で
固定することにより、前フレーム１２とガード棒
１４の中間部を一体に結合する。 In this embodiment, as shown in FIG. 4, the lower part 16 of the holding frame A is placed on the front frame 12, and the front and rear overhangs are fixed by means such as brazing. Further, by fixing each guard rod 14 to the concave surfaces of the upper portions of the receiving pieces 17 and 18 on both sides of the upper portion by means such as fitting and brazing, the front frame 12 and the intermediate portion of the guard rod 14 are integrally joined.
この考案は前記のように、前フレームとガード
棒の中間部の間に介在させる保持枠が一枚の金属
板により形成されている。従つてプレス機による
打抜き加工や屈曲加工などで、きわめて容易に加
工できる。従つて第６図、第７図に示す従来例に
比較して製造能率が著しく向上する。
As described above, this invention has a holding frame interposed between the front frame and the intermediate portion of the guard rod, which is formed of a single metal plate. Therefore, it can be processed extremely easily by punching using a press machine, bending, etc. Therefore, manufacturing efficiency is significantly improved compared to the conventional examples shown in FIGS. 6 and 7.
また、保持枠の上部両側の受片は上部が凹面と
なつているから、左右のガード棒が安定よくはま
り込み、ロウ付けなどの作業が容易であり、結合
も強固であるなどの効果がある。 In addition, since the receiving pieces on both sides of the upper part of the holding frame are concave at the top, the left and right guard rods fit stably, making it easy to perform work such as brazing, and the connection is strong. .
第１図はこの考案の自転車の一例を示す側面
図、第２図は同上の前フレーム部の一部切欠拡大
平面図、第３図は同上部分の拡大側面図、第４図
は第３図−線の拡大縦断面図、第５図は保持
枠の斜視図、第６図は従来の自転車の前フレーム
とガード棒の連結部を示す拡大側面図、第７図は
第６図−線の拡大縦断面図である。
１１……ヘツドパイプ、１２……前フレーム、
１３……後フレーム、１４……ガード棒、１７，
１８……受片。
Fig. 1 is a side view showing an example of the bicycle of this invention, Fig. 2 is an enlarged partially cutaway plan view of the front frame portion of the same as above, Fig. 3 is an enlarged side view of the same as above, and Fig. 4 is as shown in Fig. 3. - Figure 5 is a perspective view of the holding frame, Figure 6 is an enlarged side view showing the connection between the front frame of a conventional bicycle and the guard rod, and Figure 7 is an enlarged longitudinal sectional view of Figure 6 - line. It is an enlarged longitudinal cross-sectional view. 11...Head pipe, 12...Front frame,
13... Rear frame, 14... Guard rod, 17,
18...Uke piece.
Claims (1)
フレーム上に左右一対の凹弧状に湾曲したガード
棒を適当間隔で配置し、このガード棒の前後端を
ヘツドパイプと後フレームに固定するとともに、
前フレームとガード棒の中間部を保持枠により結
合せしめた自転車において、保持枠を、前後方向
に張出し部を有する下部と、その上部の前部片と
後部片を左右に屈曲して上部を凹面とするように
円弧状にした左右の受片を有する形状に一枚の金
属板により形成し、この保持枠の下部を前フレー
ム上にロウ付けなどの手段で固定し、同保持枠の
左右の受片で左右のガード棒を支持するとともに
ロウ付けなどの手段で固定した自転車。 A pair of left and right guard rods curved in a concave arc shape are placed at appropriate intervals on the front frame connecting the head pipe and the lower end of the rear frame, and the front and rear ends of the guard rods are fixed to the head pipe and the rear frame.
In a bicycle in which the front frame and the middle part of the guard rod are connected by a holding frame, the holding frame has a lower part that has a protruding part in the front and back direction, and the front and rear pieces of the upper part are bent left and right, and the upper part is concave. The lower part of this holding frame is fixed to the front frame by means such as brazing, and the left and right sides of the holding frame are A bicycle in which the left and right guard rods are supported by support pieces and fixed by means such as brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9400384U JPS619391U (en) | 1984-06-22 | 1984-06-22 | bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9400384U JPS619391U (en) | 1984-06-22 | 1984-06-22 | bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS619391U JPS619391U (en) | 1986-01-20 |
| JPH0220156Y2 true JPH0220156Y2 (en) | 1990-06-01 |
Family
ID=30652180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9400384U Granted JPS619391U (en) | 1984-06-22 | 1984-06-22 | bicycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS619391U (en) |
-
1984
- 1984-06-22 JP JP9400384U patent/JPS619391U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS619391U (en) | 1986-01-20 |
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