JPH0491906A - Core for molding disc wheel for automobile - Google Patents
Core for molding disc wheel for automobileInfo
- Publication number
- JPH0491906A JPH0491906A JP20753990A JP20753990A JPH0491906A JP H0491906 A JPH0491906 A JP H0491906A JP 20753990 A JP20753990 A JP 20753990A JP 20753990 A JP20753990 A JP 20753990A JP H0491906 A JPH0491906 A JP H0491906A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- cores
- core
- radial
- hollow part
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 42
- 230000013011 mating Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は自動車用ディスクホイール成形用中ｒ１特にＩ
〕−ドノイズ低減型ディスクホイール成形用中Ｙ〜に関
」−る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention is directed to a medium R1, particularly an I
] - Concerning noise-reducing disc wheel molding medium.
本出願人は、ディスクとハブとを連結する複数個のスポ
ーク内に２該スポーク内を放射方向外端に抜Ｕる中空部
を設けると共に、これらの中空部同士をハブ側で互いに
連通させることによりタイヤの空気充填部内の空気粗密
波５ｗ乱れを与え、振動レベルを小さくシフ、もってロ
ードノイズを低減させるまうにしたロードノイズ低減型
の自動車用ディスクホイールを提案した。The present applicant has proposed a method in which two hollow parts are provided in a plurality of spokes that connect a disk and a hub, and the hollow parts are drawn out to the outer ends in the radial direction, and these hollow parts are communicated with each other on the hub side. We have proposed a road noise-reducing disc wheel for automobiles that creates a 5W turbulence of air compression waves in the air-filled portion of the tire, shifts the vibration level to a small level, and thereby reduces road noise.
（特開昭６４−１６０１号公報参照）
このロードノイズ低減型のディスクホイールを形成する
場合、ディスクホイールの中空部成形用の中子としては
、複数本のスポーク内中空部形成用の中子と、これらを
互いに連結させる環状の連通部形成用の中子とから一体
に形成されたものが使われた。(Refer to Japanese Unexamined Patent Publication No. 1601/1983) When forming this road noise reduction type disc wheel, the core for forming the hollow part of the disc wheel is a core for forming the hollow part in a plurality of spokes. , and a core for forming an annular communication portion connecting these to each other were used.
しかし、この一体成形型の中ｆは、中子自体の形状が複
雑になり、中ｆの成形が非常乙こ面倒になるという問題
があった。しかも、この一体成形型の中子は、ディスク
ホイールとほぼ同径の大きさを有するばかりでなく、ス
ポーク内中空部形成用の中子が放射状に突出しているの
で、大きな嵩張りとなり、運搬時に損傷し易いという問
題があった。さらに、一体的に成形されている関係で、
一部だけが部分的に損傷しても中子全体が使用不能にな
り、損害額が非常に大きくなるという問題があった。However, the inner part of this integrally molded mold has a problem in that the shape of the core itself is complicated and the molding of the inner part becomes extremely troublesome. Moreover, this integrally molded core not only has approximately the same diameter as the disc wheel, but also has cores for forming hollow parts inside the spokes that protrude radially, making it bulky and difficult to transport. There was a problem that it was easily damaged. Furthermore, since it is integrally molded,
There is a problem in that even if only one part is partially damaged, the entire core becomes unusable, resulting in a very large amount of damage.
本発明の目的は、ロードノイズ低減型の自動車用ディス
クホイール成形用の中子の形成が容易で、しかも、取り
扱い性が良好であり、運搬時などに部分的に損傷しても
、部分的な交換が可能な自動車用ディスクホイール成形
用中子を提供することにある。The object of the present invention is to provide a core for molding road noise-reducing automobile disc wheels that is easy to form, easy to handle, and even if it is partially damaged during transportation. An object of the present invention is to provide a replaceable core for molding an automobile disc wheel.
すなわち、本発明の自動車用ディスクホイール成形用中
子は、ディスクとリムとの間を周方向に等間隔に配置し
また複数本の放射状のスポークで連結し、該スポーク内
に下径方向外端乙こ抜ける放射中空部を設けると共に１
．該放射中空部の半径方向内端同士を互いに連通中空部
で連通させた自動車用ディスクホイールの前記放射中空
部と連通中空部とを成形する中イであって、放射中空部
成形用中子を半径方向の分割面で２分割すると共に、そ
の半径方向と直交する断面での合面を段差状に形成し、
かつ前記２分割された放射中空部成形用中子の半中子を
隣接する放射中空部成形中子の半中子−と連通中空部成
形用中子により互いに連結したことを特徴とするもので
ある。That is, the core for molding an automobile disc wheel of the present invention has a disc and a rim arranged at equal intervals in the circumferential direction and connected by a plurality of radial spokes, and has a lower radially outer end in the spokes. In addition to providing a radiating hollow part that can pass through, 1
．． A hollow for molding the radial hollow part and the communicating hollow part of an automobile disc wheel in which the radial inner ends of the radial hollow part are communicated with each other through a communicating hollow part, the core for molding the radial hollow part. It is divided into two by a dividing plane in the radial direction, and a mating face in a cross section perpendicular to the radial direction is formed in a stepped shape,
and the half cores of the radial hollow part molding core divided into two are connected to each other by a communicating hollow part molding core with an adjacent half core of the radial hollow part molding core. be.
以下、図面により本発明の実施例について説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１０図は、本出願人が、既に、提案したロードノイズ
低減型の自動車用ディスクホイールの縦断面図、第１１
図は第１０図のＸＩ−ＸＩ断面図であり、この自動車用
ディスクホイール１は、リム２とディスク３とを連結す
る複数個のスポーク４内に、該スポーク４内を放射方向
外端５に抜ける放射中空部６を設けると共に、中空部６
同士をディスク３側に設けた連通中空部７によって互い
に連通させることによりタイヤの空気充填部内の空気粗
密波に乱れを与え、振動レヘルを小さくし、もってロー
ドノイズを低減させるようになっている。FIG. 10 is a longitudinal cross-sectional view of a road noise reduction type automobile disc wheel already proposed by the applicant;
The figure is a sectional view taken along the line XI-XI in FIG. In addition to providing a radiating hollow part 6 that can be passed through, the hollow part 6
By communicating with each other through a communicating hollow part 7 provided on the side of the disk 3, air compression waves in the air-filled part of the tire are disturbed, vibration level is reduced, and road noise is thereby reduced.
このロードノイズ低減型のディスクホイール１を形成す
る中子１０は、第１図に示すように、第１の中子Ａと第
２の中子Ｂとを交互に組み付けるごとにより形成されて
いる。As shown in FIG. 1, the core 10 forming the road noise reduction type disc wheel 1 is formed by assembling a first core A and a second core B alternately.
第１の中子Ａは、第２図に示すように、隣接する２つの
放射中空部成形用中子の半中子１２゜１２を連通中空部
成形用中子１３により互いに連結することにより形成さ
れている。この放射中空部成形用中子の半中子１２は、
放射中空部６を成形する放射中空部成形用中子１１を半
径方向の分割面１４で２分割すると共に、その半径方向
と直交する断面での合面１５を段差状に形成することに
より形成されている。この合面１５は、第３図に示すよ
うに１、半中子Ｉ２の側面、すなわら、放射中空部成形
用中子１１の分割面１４に横断面正方形の凸部１６を半
中子Ｉ２のＬ面Ｉ７と面一になるように一体的に形成す
ることにより形成されている。As shown in FIG. 2, the first core A is formed by connecting half cores 12° 12 of two adjacent radial hollow part molding cores to each other by a communicating hollow part molding core 13. has been done. This half core 12 of the core for molding the radial hollow part is:
It is formed by dividing the radial hollow part molding core 11 for molding the radial hollow part 6 into two by a radial dividing surface 14, and by forming a mating surface 15 in a cross section perpendicular to the radial direction into a stepped shape. ing. As shown in FIG. It is formed by integrally forming it flush with the L surface I7 of I2.
他方、第２の中ｐＢは、第４図に示すように隣接する２
つの放射中空部成形用中子の半中子１２゛を連通中空部
成形用中子１３により互いに連結することにより形成さ
れている。この放射中空部成形用中子の半中子１２゛は
、放射中空部成形用中子１１を半径方向の分割面１４で
２分割すると共に、その半径方向と直交する断面での合
面１５“を段差状に形成することにより形成されている
。この合面１５゛は、半中子１２”の肩部に、第１の中
子Ａの凸部１６と結合する四部１８を設けることにより
形成されている。On the other hand, the second medium pB is
It is formed by connecting half cores 12'' of two radial hollow part molding cores to each other by a communicating hollow part molding core 13. This half-core 12'' of the radial hollow part molding core is made by dividing the radial hollow part molding core 11 into two by a radial dividing surface 14, and a mating surface 15'' in a cross section perpendicular to the radial direction. This mating surface 15'' is formed by providing a shoulder portion of the half core 12'' with four parts 18 that connect with the convex part 16 of the first core A. has been done.
前述した第１の中子Ａと第２の中子Ｂによってロードノ
イズ低減型のディスクホイール用中ｒｌＯを形成するに
は、第７図乙こ小ずよ−）に、先ず、３個の第２の中子
１３をｒｏ時ｊと、１−４時ｊと、ｉ−８時１の位置乙
こ配置する。In order to form a road noise reduction type disc wheel center rlO using the first core A and the second core B described above, first, three cores are The cores 13 of No. 2 are placed at the ro o'clock j, the 1-4 o'clock j, and the i-8 o'clock 1 position.
しかる後に、第８図に示すように、第１の中子Ａ庖「２
時」と、１（１時、・と、１１０時」の位１に配置しな
がら、第９図にボ寸よう乙こ、第１の中子Ａの凸部１６
苓第２の中？−Ｂの凹部１８に嵌め込んで、隣接し７た
第１の中ＹＡと第２の中子Ｂとを結合させる。After that, as shown in FIG.
"hour" and 1 (1 o'clock, ..., and 110 o'clock) are placed in the 1st place, and the protrusion 16 of the first core A is shown in Fig. 9.
Inside Reidai 2? -B is fitted into the recess 18 to connect the adjacent first inner core YA and second inner core B.
前述した第１の中子Ａと第２の中子■３との組み付は中
に、例えば、第１の中’ｌ”−Ａの一つが破損した場合
には、その破損した中７−Ａを新規な第１の中子Ａと交
換すればよい。また、運搬中に破損し７た第１．第２の
中子も同様に交換される。When assembling the first core A and the second core 3 mentioned above, for example, if one of the first cores A is damaged, the damaged core 7- What is necessary is to replace A with a new first core A. In addition, the first and second cores that were damaged during transportation are also replaced in the same way.
−１−記のように、本発明は、ディスクとリムとを連結
する複数本のスポーク内に半径方向外端に抜ける放射中
空部を設けると共に１、該放射中空部の半径方向内端同
士−を斤いに連通中空部で連通さセた自動市川ディスク
ホイールの前記放射中空部と連通中空部とを成形４−る
中子ご庚）って、放射中空部成形中子”を１′径方向の
分割１ｆｆｉｊで２分割すると共に、その１′径方向上
直交覆−る断面での合面を段差状に形成し７、かｌ）前
記２分割された放射中空部成形用中子−の゛］−中ｆを
隣接ジーる放射中空部成形中子の土中ｆと連通中空部成
形用中子により互いに連結したので、ロートノイズ低減
型の自動車用ディスクホイール成形用の中子が容易に形
成できるようになった。As described in -1-, the present invention provides a radial hollow part that extends to the radially outer end in a plurality of spokes that connect a disk and a rim, and 1, radially inner ends of the radial hollow part - Molding the radial hollow part and the communicating hollow part of the automatic Ichikawa disc wheel, which communicate with each other at the communicating hollow part, makes the radial hollow part molding core 1' diameter. Divide the core into two by the direction division 1ffij, and form a mating surface in a cross section perpendicular to the 1' radial direction into a stepped shape.゛] - Since the inner f is connected to the soil f of the adjacent radial hollow molding core by the communicating hollow molding core, it is easy to create a rotary noise reduction type automobile disc wheel molding core. can now be formed.
また、この中子は、第１．第２の２種類の中子から形成
されているから取り扱い性が良好ごあり、組み付は時、
或いは運搬時などに部分的に損傷しても、部分的な交換
が可能であるから損害額が少なくて済むという利点があ
る。Also, this core is the first one. Since it is made of two types of cores, it is easy to handle, and the assembly takes time.
Alternatively, even if it is partially damaged during transportation, it is possible to partially replace it, so there is an advantage that the amount of damage can be reduced.
第１図は本発明にかかる自動車用ｆイスクホイール成形
用中子の平面図、第２ ｒＰ］は第１の中子の平面図、
第３図は第２図のｍ−ｔｕ断面図１、第４図は第２の中
子の１′”面図、第５図は第４図のＶ〜■断面図、第６
図は第２の中子の側面図、第７図及び第８図は本発明に
かかる自動車用ディスクホイール成形用中ｆの組立上程
を示す説明図、第９図は第８図の■−■断面図、第１０
図は本出願人が、既に提案し７たロードノイズ低減型の
自動車用ディスクホイールの縦断面図、第１１図は第１
０図のＸｌ−Ｘｌ断面図である。
１・・・自動車用ディスクホイール、２・・・リム、３
・・・ディスク、４・・・スポーク、５・・・半径方向
外端、６・・・放射中空部、７・・・連通中空部、１０
・・自動車用ディスクホィール成形用中子、１１・・・
放射中空部成形用中子、１２，１２“・・・放射中空部
成形中子の土中Ｙ−１１３・・・連通中空部成形用中子
、１４・・・分割面、１５・・・合面。FIG. 1 is a plan view of a core for molding an automotive f-isk wheel according to the present invention, FIG. 2 is a plan view of a first core,
Figure 3 is an m-tu sectional view 1 in Figure 2, Figure 4 is a 1'' side view of the second core, Figure 5 is a sectional view from V to ■ in Figure 4, and Figure 6 is a sectional view of the second core.
The figure is a side view of the second core, FIGS. 7 and 8 are explanatory diagrams showing the assembly process of the automobile disc wheel molding medium f according to the present invention, and FIG. 9 is a side view of the second core, and FIG. Cross section, 10th
The figure is a longitudinal cross-sectional view of a road noise reduction type automobile disc wheel that the present applicant has already proposed.
FIG. 2 is a sectional view taken along line Xl-Xl in FIG. 1... Automobile disc wheel, 2... Rim, 3
... Disc, 4... Spoke, 5... Radial direction outer end, 6... Radiation hollow part, 7... Communication hollow part, 10
... Core for molding automobile disc wheels, 11...
Core for forming the radiant hollow part, 12, 12"... In the soil of the core for forming the radiant hollow part, Y-113... Core for forming the communicating hollow part, 14... Divided surface, 15... Joining surface.
Claims (1)
本の放射状のスポークで連結し、該スポーク内に半径方
向外端に抜ける放射中空部を設けると共に、該放射中空
部の半径方向内端同士を互いに連通中空部で連通させた
自動車用ディスクホィールの前記放射中空部と連通中空
部とを成形する中子であって、放射中空部成形用中子を
半径方向の分割面で２分割すると共に、その半径方向と
直交する断面での合面を段差状に形成し、かつ前記２分
割された放射中空部成形用中子の半中子を隣接する放射
中空部成形中子の半中子と連通中空部成形用中子により
互いに連結した自動車用ディスクホィール成形用中子。The disc and the rim are connected by a plurality of radial spokes arranged at equal intervals in the circumferential direction, and a radial hollow part extending to the outer end in the radial direction is provided in the spoke, and a radial hollow part is provided inside the radial hollow part in the radial direction. A core for molding the radial hollow part and the communicating hollow part of an automobile disc wheel whose ends are communicated with each other through a communicating hollow part, the core for molding the radial hollow part being divided into two along a radial dividing plane. At the same time, the mating surfaces in the cross section perpendicular to the radial direction are formed in a stepped shape, and the half core of the two-divided radial hollow part molding core is connected to the half core of the adjacent radial hollow part molding core. A core for molding an automobile disc wheel, which is connected to a molding core with a communicating hollow part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20753990A JP2979242B2 (en) | 1990-08-07 | 1990-08-07 | Core for molding disc wheels for automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20753990A JP2979242B2 (en) | 1990-08-07 | 1990-08-07 | Core for molding disc wheels for automobiles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0491906A true JPH0491906A (en) | 1992-03-25 |
| JP2979242B2 JP2979242B2 (en) | 1999-11-15 |
Family
ID=16541406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20753990A Expired - Fee Related JP2979242B2 (en) | 1990-08-07 | 1990-08-07 | Core for molding disc wheels for automobiles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2979242B2 (en) |
-
1990
- 1990-08-07 JP JP20753990A patent/JP2979242B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2979242B2 (en) | 1999-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |