JPH0418828Y2 - - Google Patents
Info
- Publication number
- JPH0418828Y2 JPH0418828Y2 JP1987019400U JP1940087U JPH0418828Y2 JP H0418828 Y2 JPH0418828 Y2 JP H0418828Y2 JP 1987019400 U JP1987019400 U JP 1987019400U JP 1940087 U JP1940087 U JP 1940087U JP H0418828 Y2 JPH0418828 Y2 JP H0418828Y2
- Authority
- JP
- Japan
- Prior art keywords
- hollow member
- main body
- hollow
- molded product
- lid
- 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
- 239000000463 material Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 description 5
- 239000012778 molding material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、合成樹脂材料のような可塑性材料に
よる有底の主体部の内部に、軸受用ブツシユのよ
うな中空部材を埋設されてなる中空部材付成形品
に関する。[Detailed description of the invention] (Industrial application field) The invention is a hollow body in which a hollow member such as a bearing bushing is embedded inside a bottomed main body made of a plastic material such as a synthetic resin material. Regarding molded products with parts.
（従来の技術）
或種の機械装置において重量の軽量化を図るた
めに、第３図に例示するように、合成樹脂材料に
よる有底の主体部１の内部に、中空部材２を埋設
されてなる中空部材付成形品が使用されている。(Prior Art) In order to reduce the weight of certain mechanical devices, as illustrated in FIG. 3, a hollow member 2 is embedded inside a bottomed main body 1 made of a synthetic resin material. A molded product with a hollow member is used.
（考案が解決しようとする問題点）
上記した中空部材付成形品の主体部１の成形
は、第４図に例示するように、成形用型内に設け
られた芯棒４に中空部材２を装着し、型締後に主
体部成形用材料を注入するのであるが、主体部成
形用材料が中空部材２と芯棒４の間の隙間に侵入
して中空部材２の内壁に付着するために、離型後
の内壁面の清掃に多大の手間を要していた。(Problems to be Solved by the Invention) The main body portion 1 of the molded product with a hollow member described above is molded by attaching the hollow member 2 to a core rod 4 provided in a mold, as illustrated in FIG. After mounting and mold clamping, the main body molding material is injected, but since the main body molding material enters the gap between the hollow member 2 and the core rod 4 and adheres to the inner wall of the hollow member 2, It took a lot of effort to clean the inner wall surface after the mold was released.
本考案は、上記した問題点を解消して製作が極
めて容易である中空部材付成形品の構造を提示す
ることを目的とするものである。 The object of the present invention is to solve the above-mentioned problems and to present a structure of a molded product with a hollow member that is extremely easy to manufacture.
（問題点を解決するための手段）
本考案は、上記した従来の技術による中空部材
付成形品における問題点を考慮してなされたもの
で、可塑性材料による主体部に形成された有底の
空所内に中空部材を埋設されてなり、該中空部材
の前記主体部の空所の底側の端部を、前記中空部
材の内面または外面と係合する蓋部材によつて閉
塞された構成を備えるものである。(Means for Solving the Problems) The present invention was made in consideration of the problems in the molded products with hollow members according to the conventional technology described above. A hollow member is embedded in the hollow member, and the bottom end of the cavity of the main body of the hollow member is closed by a lid member that engages with the inner or outer surface of the hollow member. It is something.
中空部材の端部と係合する蓋部材の材料として
は、主体部成形用材料と同材質または異材質の材
料が適宜選定される。 The material of the lid member that engages with the end of the hollow member is appropriately selected from the same material as the main body molding material or a different material.
（作用）
上記した構成を備えた中空部材付成形品におい
ては、中空部材の内方端部と係合した蓋部材が、
主体部の成形時に、中空部材を閉塞して主体部成
形用型の芯棒と中空部材との隙間への主体部成形
用材料の侵入を阻止する。(Function) In the molded product with a hollow member having the above-described configuration, the lid member engaged with the inner end of the hollow member is
During molding of the main body, the hollow member is closed to prevent the material for forming the main body from entering the gap between the core rod of the mold for forming the main body and the hollow member.
（実施例）
第１図の実施例においては、合成樹脂材料をも
つて成形された有底の主体部１の内部に埋設され
た中空部材２の内方端部に、主体部１と同材質の
材料をもつて段付の円板形状に成形された蓋部材
３が付されている。(Embodiment) In the embodiment shown in FIG. 1, the inner end of the hollow member 2 buried inside the bottomed main body 1 molded from a synthetic resin material is made of the same material as the main body 1. A lid member 3 is attached which is made of material and formed into a stepped disc shape.
第２図の他の実施例は、中空部材２の内方端部
を閉塞する蓋部材３が、略皿形状に成形されて中
空部材２の端部に被せられた構造となつている点
において、第１図の実施例と相違するものであ
る。 The other embodiment shown in FIG. 2 has a structure in which a lid member 3 that closes the inner end of the hollow member 2 is formed into a substantially dish shape and is placed over the end of the hollow member 2. , which is different from the embodiment shown in FIG.
（考案の効果）
本考案の中空部材付成形品が、上記したよう
に、有底の主体部の内部に埋設された中空部材の
内方端部に、該中空部材の空所を閉塞する蓋部材
を付された構成を備えていることにより、蓋部材
が、主体部の成形時に主体部成形用型の芯棒に装
着された中空部材と芯棒との隙間への主体成形用
材料の流入を完全に阻止するので、従来の技術に
よる中空部材付成形品の製作時に避けられなかつ
た中空部材の内壁面に付着した余分な材料の除去
に要した手間が省略され、清浄な内壁面を備えた
製品が得られる。(Effect of the invention) As described above, the molded product with a hollow member of the present invention is provided with a lid that closes the cavity of the hollow member at the inner end of the hollow member buried inside the bottomed main body. By having the structure in which the member is attached, the lid member prevents the main body molding material from flowing into the gap between the hollow member attached to the core rod of the mold for molding the main body and the core rod during molding of the main body. This eliminates the effort required to remove excess material adhering to the inner wall surface of the hollow member, which was unavoidable when manufacturing molded products with hollow members using conventional techniques, and provides a clean inner wall surface. You can obtain a product that is
更に、蓋部材の材質を主体部の材質と同一に設
定すれば、蓋部材を成形するためのキヤビテイを
主体部成形用型の一部に併設して蓋部材の成形を
主体部の成形と同時に実施することが可能であつ
て製作工程が効率的となり、主体部と蓋部材の結
合が一体となつて強固に保たれる。 Furthermore, if the material of the lid member is set to be the same as the material of the main body, a cavity for molding the lid member can be attached to a part of the mold for molding the main body, and the lid member can be molded at the same time as the main body. It is possible to implement the method, the manufacturing process is efficient, and the connection between the main body and the lid member is maintained as one and strong.
第１図は、本考案の一実施例の断面図、第２図
は、本考案の他の実施例の断面図、第３図は、従
来の技術による中空部材付成形品の一例の断面
図、第４図は、中空部材付成形品の成形型の構造
を示す断面図である。
１……主体部、２……中空部材、３……蓋部
材、４……芯棒。
Fig. 1 is a cross-sectional view of one embodiment of the present invention, Fig. 2 is a cross-sectional view of another embodiment of the present invention, and Fig. 3 is a cross-sectional view of an example of a molded product with a hollow member according to the prior art. , FIG. 4 is a sectional view showing the structure of a mold for a molded product with a hollow member. 1... Main body part, 2... Hollow member, 3... Lid member, 4... Core rod.
Claims (1)
有底の空所内に中空部材２を埋設されてなり、該
中空部材２の前記主体部２の空所の底側の端部
を、前記中空部材２の内面または外面と係合する
蓋部材３によつて閉塞されていることを特徴とす
る中空部材付成形品。 A hollow member 2 is embedded in a bottomed cavity formed inside a main body part 1 made of a plastic material, and the bottom end of the cavity of the main body part 2 of the hollow member 2 is connected to the hollow member 2. 1. A molded product with a hollow member, characterized in that the molded product is closed by a lid member 3 that engages with the inner or outer surface of the hollow member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987019400U JPH0418828Y2 (en) | 1987-02-12 | 1987-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987019400U JPH0418828Y2 (en) | 1987-02-12 | 1987-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63125517U JPS63125517U (en) | 1988-08-16 |
| JPH0418828Y2 true JPH0418828Y2 (en) | 1992-04-27 |
Family
ID=30813965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987019400U Expired JPH0418828Y2 (en) | 1987-02-12 | 1987-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418828Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335806C (en) * | 2001-09-21 | 2007-09-05 | 索尼公司 | Bearing unit and motor using the bearing unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125556A (en) * | 1974-08-28 | 1976-03-02 | Jiro Yokoyama | Injekushonnyoru moorudoseikeihoho |
-
1987
- 1987-02-12 JP JP1987019400U patent/JPH0418828Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125556A (en) * | 1974-08-28 | 1976-03-02 | Jiro Yokoyama | Injekushonnyoru moorudoseikeihoho |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63125517U (en) | 1988-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT87617A (en) | PROCESS FOR THE PREPARATION OF A NON PLATEOUT MOLDING COMPOUND AND MOLDED ARTICLE PRODUCED THEREWITH | |
| JPH0418828Y2 (en) | ||
| SE8503416D0 (en) | PROCEDURE FOR THE PREPARATION OF SHALL-FORMED CASTING CONSTRUCTIONS | |
| JPH0236367B2 (en) | ||
| JPH0390922U (en) | ||
| JPH0355219U (en) | ||
| JPH0393692U (en) | ||
| JPH02101116U (en) | ||
| JPH0415513U (en) | ||
| JPH0222253Y2 (en) | ||
| JPH0329244Y2 (en) | ||
| JPH039814U (en) | ||
| JPS5837624Y2 (en) | Molding equipment for molded products with thread bottoms | |
| JPH0278315U (en) | ||
| JPH0219511U (en) | ||
| JPS62189110U (en) | ||
| JPS6380052U (en) | ||
| JPS6416317U (en) | ||
| JPS6422511U (en) | ||
| JPS6372531U (en) | ||
| JPS63189611U (en) | ||
| JPH0168811U (en) | ||
| JPH0395213U (en) | ||
| JPS63113615U (en) | ||
| JPH0359812U (en) |