JPH02199314A

JPH02199314A - Knob bolt

Info

Publication number: JPH02199314A
Application number: JP1689189A
Authority: JP
Inventors: Yasuhiro Onishi; 康弘大西
Original assignee: OOMINE KAGAKU KK
Current assignee: OOMINE KAGAKU KK
Priority date: 1989-01-26
Filing date: 1989-01-26
Publication date: 1990-08-07

Abstract

PURPOSE:To improve working efficiency in manufacturing knob bolts by inserting a bolt into a spacer having a hole into which the shaft section of the bolt is inserted and burying the bolt in a plastic head with the spacer fitted to the bolt. CONSTITUTION:A bolt is composed of a head section 2 and shaft section 3. The shaft section 3 is fitted with a spacer 4 having a hole into which the shaft section 3 of the bolt 1 is inserted. In a plastic head 6, the bolt 1, which is inserted in the hole of the spacer 4, is buried, and the shaft section 3 is protruded in the external direction. When a knob bolt 5 is tightly fastened, the bolt will not drop and a cover 7 is fixed to at equipment body 8. Thus, working efficiency in manufacturing bolts is improved, and plastic material can be prevented from flowing into the bolt shaft section.

Description

【発明の詳細な説明】産業上の利用分野本発明は、例えば機器本体に対して、カバーや部品等を
取り付けることの出来るノブ・ボルトに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a knob/bolt that can be used to attach a cover, parts, etc. to, for example, a device body.

従来の技術とその問題点これまでにも、プラスチック製頭にボルトを埋め込み、
ボルトの軸部を外方向に突出させたノブ・ボルトはあっ
た。Conventional technology and its problems Until now, bolts were embedded in plastic heads,
There were knob bolts with the shaft of the bolt protruding outward.

しかし従来のノブ・ボルトはプラスチック製頭内に入る
ボルトの頭部形状が、プラスチック製頭内での回転や、
プラスチック製頭よりの抜は落ちを防止する目的で、特
殊なものが必要となりコスト高になることが多かった。However, with conventional knob bolts, the head shape of the bolt that fits inside the plastic head does not allow rotation within the plastic head,
In order to prevent the plastic head from falling off, a special tool was required and the cost was often high.

問題点を解決するための手段本発明は、上記の問題点を解決するために、般に入手で
きるボルトを、ボルト軸部の挿通孔を有するスペーサー
に挿入し、上記スペーサーをはめたままプラスチック製
頭に埋め込み、ボルトの軸部を上記プラスチック製頭の
外方向に突出させたことを特徴とする、容易にかつ安価
に製作できるノブ・ボルトの構造を要旨とするものであ
る。Means for Solving the Problems In order to solve the above problems, the present invention inserts a commonly available bolt into a spacer having an insertion hole in the bolt shaft, and then inserts a bolt made of plastic with the spacer in place. The object of the present invention is to provide a knob/bolt structure that can be easily and inexpensively manufactured, and is embedded in the head of the bolt, with the shaft of the bolt protruding outward from the plastic head.

この発明を図示実施例により説明すると、（１）はボル
トで、頭部（２）と軸部（３）からなり、軸部（３）に
はボルト（１）の軸部（３）の挿通孔を有するスペーサ
ー（４）がはめられている。To explain this invention with reference to an illustrated embodiment, (1) is a bolt, which is composed of a head (2) and a shaft (3), and the shaft (3) of the bolt (1) is inserted into the shaft (3). A spacer (4) with holes is fitted.

（５）はノブ・ボルト本体を示し、（６）はプラスチッ
ク製頭を示す。(5) shows the knob/bolt body, and (6) shows the plastic head.

このプラスチック製頭（６）に、スペーサー（４）の挿
通孔に挿入されたボルト（１）が埋め込まれ、外方向に
軸部（３）が突出されている。The bolt (1) inserted into the insertion hole of the spacer (4) is embedded in this plastic head (6), and the shaft portion (3) projects outward.

作用本発明は、上記のように構成されているので、ボルト（
１）の軸部（３）を、カバー（７）の取り付は穴に貫通
させ機器本体（８）の雌ネジ部（９）に締め付けると、
プラスチック製頭（６）と機器本体（８）は、カバー（
７）を間にはさんで相互に圧着されるが、本発明におい
ては、スペーサー（４）がボルト（１）の軸部（３）に
挿入された状部でプラスチック製頭（６）に埋め込まれ
ているので、ノブ・ボルト（５）を強く締め付けても、
ボルト（１）が抜は落ちることなく、カバー（７）は機
器本体（８）に取り付けられる。なお、スペーサーの材
質は、頭部プラスチックを成形するときに、成形温度や
成形圧力によって熔融変形しない物なら、金属以外のプ
ラスチックやセラミックスなどでも構わない。Function Since the present invention is configured as described above, the bolt (
When installing the cover (7), pass the shaft (3) of 1) through the hole and tighten it to the female threaded part (9) of the device body (8).
The plastic head (6) and the device body (8) are separated by a cover (
In the present invention, the spacer (4) is inserted into the shaft (3) of the bolt (1) and embedded in the plastic head (6). , so even if you tighten the knob/bolt (5) strongly,
The cover (7) is attached to the device body (8) without the bolts (1) being removed or falling. Note that the material of the spacer may be plastic other than metal, ceramics, etc. as long as it does not melt and deform due to the molding temperature and molding pressure when the plastic head is molded.

発明の効果このように本発明によるときは、従来の特殊な頭部形状
をもつボルトを使用することなく、一般に入手できるボ
ルトに、スペーサーをはめるだけで、強く締め付けても
回転や脱落の無いノブ・ボルトがコスト安にて製作でき
る実益を存する。Effects of the Invention As described above, according to the present invention, a spacer can be simply fitted to a commonly available bolt without using a conventional bolt with a special head shape, and a knob that does not rotate or fall off even when tightly tightened can be created.・There is a practical benefit of being able to manufacture bolts at low cost.

また、スペーサーの高さにより位置決めが行えるため、
ノブ・ボルト製作上の作業効率が向上し、さらにノブ・
ボルト製作時に、ボルト軸部へのプラスチック材の流入
が防がれる効果も有する。In addition, positioning can be done by the height of the spacer, so
Improved work efficiency in manufacturing knobs and bolts, and further improved knobs and bolts.
It also has the effect of preventing plastic material from flowing into the bolt shaft during bolt manufacturing.

[Brief explanation of the drawing]

第１図は本願発明の実施例を示す断面図、第２図（イ）
（ロ）（ハ）はスペーサーの形状の例を示す断面図、第
３図から第５図は従来例の断面図である。図中の符号を説明すると次の通りである。（１）は　ボ　　ル　　ト（２）は頭　　部（３）は軸　　部（４）はスペーサー（５）は　ノブ・ボルト（６）は　プラスチック製頭（７）は　カ　　　バ　　　− （８）は機器本体（９）は　雌　ネ　ジ　部Figure 1 is a sectional view showing an embodiment of the present invention, Figure 2 (A)
(B) and (C) are cross-sectional views showing examples of the shape of the spacer, and FIGS. 3 to 5 are cross-sectional views of conventional examples. The symbols in the figure are explained as follows. (1) is the bolt (2) is the head (3) is the shaft (4) is the spacer (5) is the knob/bolt (6) is the plastic head (7) is the cover - (8) is the equipment The main body (9) has a female thread.

Claims

[Claims]

A knob characterized in that a bolt is inserted into a spacer having an insertion hole in the bolt shaft, and is embedded in a plastic head with the spacer fitted, so that the bolt shaft protrudes outward from the plastic head. ·bolt.