JP2005263072A - Windowpane storage structure of construction machine - Google Patents

Windowpane storage structure of construction machine Download PDF

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Publication number
JP2005263072A
JP2005263072A JP2004080029A JP2004080029A JP2005263072A JP 2005263072 A JP2005263072 A JP 2005263072A JP 2004080029 A JP2004080029 A JP 2004080029A JP 2004080029 A JP2004080029 A JP 2004080029A JP 2005263072 A JP2005263072 A JP 2005263072A
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Japan
Prior art keywords
window glass
windowpane
storage structure
fixing
bracket
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JP2004080029A
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Japanese (ja)
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Kazue Tazaki
和重 田崎
Satoshi Inoue
智 井上
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Caterpillar Japan Ltd
Caterpillar Mitsubishi Ltd
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Caterpillar Mitsubishi Ltd
Shin Caterpillar Mitsubishi Ltd
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Priority to JP2004080029A priority Critical patent/JP2005263072A/en
Publication of JP2005263072A publication Critical patent/JP2005263072A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a windowpane storage structure capable of restraining deterioration of a view field on the sideward side of a driver's cabin to the minimum. <P>SOLUTION: At least fixing members 2, 3 at three points are mounted on a frame part of a sideward windowpane 1 and a fixing member 4 at one point is directly mounted on the sideward windowpane 1 on the windowpane storage structure of a construction machine to fix a window pane 5 on the sideward side of the driver's cabin by respectively fixing at least three optional points of an upper end, a side end and a lower end of the windowpane 5 to store by the fixing members 2, 3. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、建設機械の窓ガラス収納構造に関する。   The present invention relates to a window glass storage structure for a construction machine.

建設機械の運転室の前部下方の窓ガラスは、通風等の目的のために取り外すことが可能となっている。このため、運転室の側方窓ガラスの枠にブラケットを取り付け、そこに取り外した窓ガラスを収納する構造が採用されている。   The window glass under the front of the cab of the construction machine can be removed for the purpose of ventilation. For this reason, the structure which attaches a bracket to the frame of the side window glass of a driver's cab, and accommodates the removed window glass there is employ | adopted.

実開平４−８０７０７号にはその一例が開示されており、それを図２に示す。図中、7は運転室の側面板、8は側方窓ガラスである。同図のうち(a)は同公報における従来構造であり、これは図示のように、側方窓ガラス8bの後方側の枠、下方側の枠、ガラス窓8a,8b間の枠にそれぞれ固定用ブラケット10,11,12を取り付け、収納すべき前部下方の窓ガラス13の上端、側端、下端の３点をそれぞれのブラケット10〜12で固定する構造となっている。また、同図(b)はその改良構造であり、側方窓ガラス8bの下方側の角２箇所に固定用ブラケット14,15を、窓ガラス8a,8b間の枠にロック装置16をそれぞれ配置させ、収納すべき前部下方の窓ガラス13の上端と、下端の両角部の３点を固定する構造となっている。窓ガラス13の脱着構造が同図(a)では完全スライド方式なのに対し、同図(b)では下端ブラケット14,15に嵌め込んだ窓ガラス13をロック装置16に押し込んでいけば良く、脱着作業をより容易にしたものである。いずれの構造でも、収納すべき窓ガラス13の固定は、安定化を図って３点で支持するものとなっている。   An example is disclosed in Japanese Utility Model Laid-Open No. 4-80707, which is shown in FIG. In the figure, 7 is a side panel of the cab and 8 is a side window glass. In the figure, (a) is the conventional structure in the publication, which is fixed to the rear frame of the side window glass 8b, the lower frame, and the frame between the glass windows 8a and 8b as shown in the figure. The brackets 10, 11, and 12 are attached, and the upper end, the side end, and the lower end of the window glass 13 below the front portion to be stored are fixed by the brackets 10 to 12. Fig. 2 (b) shows an improved structure in which fixing brackets 14 and 15 are arranged at two corners on the lower side of the side window glass 8b, and a locking device 16 is arranged in the frame between the window glasses 8a and 8b. In this structure, the upper and lower corners of the window glass 13 below the front part to be stored are fixed at three points. In the same figure (a), the detaching structure of the window glass 13 is a complete slide system, but in the same figure (b), the window glass 13 fitted into the lower end brackets 14 and 15 may be pushed into the locking device 16, and the detaching work is performed. Is made easier. In any structure, the window glass 13 to be stored is fixed at three points for stabilization.

一方、近時の建設機械は視界の良好性が追求されており、図３に示すように、側方窓ガラス8も運転室の側面板7の幅一杯の大きさのものが１枚取り付けられる構造となっている。このため、取り外した窓ガラス13の収納構造も、収納すべき窓ガラス13の側端と上端の２点を固定するブラケット10,11は従来どおりそれぞれ枠に取り付けられるが、下端を固定するブラケット12は、側方窓ガラス8面上に位置せざるを得ず、そこで、そのブラケット12に金属製支持板20を取り付け、その金属製支持板20を下側の枠に固定する構造となっている。   On the other hand, recent construction machines are pursuing good visibility, and as shown in FIG. 3, one side window glass 8 having the size of the full width of the side plate 7 of the cab is attached. It has a structure. For this reason, in the storage structure of the removed window glass 13, the brackets 10 and 11 for fixing the two points of the side end and the upper end of the window glass 13 to be stored are attached to the frame as usual, but the bracket 12 for fixing the lower end. Has to be located on the side window glass 8 surface, where the metal support plate 20 is attached to the bracket 12, and the metal support plate 20 is fixed to the lower frame. .

実開平４−８０７０７号（第１図、第７図）Japanese Utility Model Publication No. 4-80707 (Figs. 1 and 7)

しかし、図３に示す構造では、金属製支持板20が側方窓ガラス8面に重なるので、その重なった部分（図中斜線で示すＢ部分）だけ側方側の視界が遮られることになっていた。   However, in the structure shown in FIG. 3, since the metal support plate 20 overlaps the side window glass 8 surface, the side view is blocked only by the overlapped portion (B portion indicated by hatching in the figure). It was.

この発明は、以上のような問題に鑑み創案されたもので、運転室の側方側の視界の悪化を最小限に抑えることのできる構造を提供しようとするものである。   The present invention was devised in view of the above problems, and an object of the present invention is to provide a structure capable of minimizing the deterioration of the visibility on the side of the cab.

このため、この発明に係る建設機械の前部窓ガラス収納構造は、少なくとも、収納すべき窓ガラスの上端、側端、下端のいずれか任意の３箇所を、固定部材によりそれぞれ固定することにより、運転室の側方側に前記窓ガラスを固定する建設機械の窓ガラス収納構造において、少なくとも２箇所の固定部材を側方窓ガラスの枠部に取り付けさせるとともに、１箇所の固定部材を側方窓ガラス上に直接取り付けさせたことを特徴とする。   For this reason, the front window glass storage structure of the construction machine according to the present invention is such that at least any three locations of the upper end, the side end, and the lower end of the window glass to be stored are fixed by the fixing members, respectively. In the window glass storage structure of a construction machine that fixes the window glass to the side of the cab, at least two fixing members are attached to the frame portion of the side window glass, and one fixing member is attached to the side window. It is characterized by being mounted directly on the glass.

本発明では、少なくとも、収納すべき窓ガラスの上端、側端、下端のいずれか任意の３箇所を、固定部材によりそれぞれ固定する構造を前提にしている。したがって、収納すべき窓ガラスの３箇所以上を固定部材で固定しても良いが、そのような形態にあっても、本発明で問題とするのは３点を支持する任意の３箇所の固定部材となる。この任意の３箇所のうち、１箇所の固定部材だけを側方窓ガラス上に直接取り付けさせるのが本発明であって、任意の３箇所以外に固定部材がある形態にあっては、その１箇所以外の固定部材は、いずれも収納すべき窓ガラスの枠に取り付けられることになる。したがって、本発明では、側方窓ガラス上に取り付けられる固定部材は１箇所だけで、しかもその固定部材は直接側方窓ガラス上に取り付けられる構造となるので、視界が遮られるのは、その１箇所の固定部材本体だけとなり、ブラケットを金属板で固定していた従来構造（図３）と比較して、視界の悪化が最小限に抑えられることになる。なお、本願において、前部窓ガラスの上端、側端、下端の任意箇所には、窓ガラスの四隅の角部も含むものである。   In the present invention, it is assumed that at least any three of the upper end, the side end, and the lower end of the window glass to be accommodated are fixed by the fixing members. Therefore, although three or more places of the window glass to be stored may be fixed by a fixing member, even in such a form, the problem in the present invention is fixing any three positions supporting three points. It becomes a member. It is the present invention that only one fixing member is directly mounted on the side window glass among these arbitrary three locations, and if there is a fixing member other than the arbitrary three locations, that 1 All the fixing members other than the places are attached to the frame of the window glass to be stored. Therefore, in the present invention, the fixing member attached to the side window glass is only one place, and the fixing member is directly attached to the side window glass. As compared with the conventional structure (FIG. 3) in which only the fixing member main body is provided and the bracket is fixed with a metal plate, the visual field deterioration is minimized. In addition, in this application, the corner | angular part of the four corners of a window glass is also included in the arbitrary places of the upper end of a front window glass, a side end, and a lower end.

前記固定部材は、前部窓ガラスの上端、側端、下端の任意箇所を固定できる形態であれば、溝にガラス端部を嵌め込むブラケットタイプやガラス面に押さえ板を重ね合わせてボルトで締着する構造、さらには実開平４−８０７０７号に示されるロック装置など種々の形態が適用可能である。   If the fixing member is in a form that can fix the upper end, side end, and lower end of the front window glass, a bracket type that fits the glass end into the groove or a pressure plate placed on the glass surface and tightened with a bolt Various forms such as a structure to be worn and a locking device shown in Japanese Utility Model Laid-Open No. 4-80707 are applicable.

以上説明したように、この発明に係る建設機械の前部窓ガラス収納構造によれば、運転室の側方側の視界の悪化を最小限に抑えることができることになる。   As described above, according to the front window glass storage structure of the construction machine according to the present invention, it is possible to minimize the deterioration of the visibility on the side of the cab.

本発明に係る具体的形態の一例を図１に基づき説明する。本形態例は、油圧ショベルの運転室に適用される例であり、前部窓ガラスを収納する構造の一例である。   An example of a specific form according to the present invention will be described with reference to FIG. This embodiment is an example applied to a driver's cab of an excavator, and is an example of a structure that houses a front window glass.

図１(a)は運転室の内部から側方板7側を見た状態を示している。側方板7の上部側には板の幅一杯に大きな１枚の側方窓ガラス1が取り付けられている。側方窓ガラス1の上側の枠部と、後方側の枠部とにはそれぞれブラケット2,3が取り付けられている。これらのブラケット2,3は、収納すべき前部窓ガラス5の上端及び側端をそれぞれ固定する固定部材であり、その本体部が枠にボルトで締着されるとともに、断面コ字状溝が形成され、その溝にガラス端部を嵌め込む構造（具体的には後述する同図(b)に示すブラケット4とほぼ同じ構造である）となっている。そして、本形態例では、ブラケット4が側方窓ガラス1上に直接ボルト6で締着されて固定されている。このブラケット4は、同図(b)に示すように、本体部40がボルト締着部となっているとともに、その本体部40の先端に断面コ字状溝41が形成され、その溝42に収納すべき前部窓ガラス5の下端が嵌め込まれる。したがって、本形態例においては、前部窓ガラス5は、その上端をブラケット2に、側端をブラケット3に、下端をブラケット4にそれぞれ固定されながら、すなわち３点で支持されながら収納される。   Fig.1 (a) has shown the state which looked at the side board 7 side from the inside of the cab. On the upper side of the side plate 7, a single large side window glass 1 is attached to the full width of the plate. Brackets 2 and 3 are attached to the upper frame portion and the rear frame portion of the side window glass 1, respectively. These brackets 2 and 3 are fixing members for respectively fixing the upper end and the side end of the front window glass 5 to be housed, and the main body part is fastened to the frame with bolts, and a U-shaped groove in cross section It is formed and has a structure in which the glass end portion is fitted into the groove (specifically, it is substantially the same structure as the bracket 4 shown in FIG. In this embodiment, the bracket 4 is fastened and fixed directly onto the side window glass 1 with bolts 6. As shown in FIG. 4B, the bracket 4 has a main body portion 40 as a bolt fastening portion, and a U-shaped groove 41 is formed at the tip of the main body portion 40. The lower end of the front window glass 5 to be stored is fitted. Therefore, in the present embodiment, the front window glass 5 is housed while being fixed to the bracket 2 at its upper end, to the bracket 3 at its side end, and to the bracket 4 at its lower end, that is, supported at three points.

以上のように、本形態例では、前部窓ガラス5を支持固定するブラケット2,3,4のうち２箇所のブラケット2,3は窓枠に取り付けられ、下端を支持固定するブラケット4のみ側方窓ガラス5に取り付けられる。そして、そのブラケット4は直接側方窓ガラス5にボルト6で締着されているので、ガラス面に重なるのはブラケット4のみとなる。すなわち、本形態例の収納構造においては、側方窓ガラス1の中で視界が遮られる部分はブラケット4の部分のみとなり、ブラケット4は図示のようにガラス面においてほんの一部分に過ぎないものとなるから、それによる視界の遮りは最小限に抑えられるものとなっている。   As described above, in this embodiment, two brackets 2 and 3 of the brackets 2 and 3 for supporting and fixing the front window glass 5 are attached to the window frame, and only the bracket 4 for supporting and fixing the lower end side. Attached to the window glass 5. Since the bracket 4 is directly fastened to the side window glass 5 with bolts 6, only the bracket 4 overlaps the glass surface. That is, in the storage structure of the present embodiment, the portion of the side window glass 1 whose visibility is blocked is only the bracket 4 portion, and the bracket 4 is only a part of the glass surface as shown. As a result, the field of view can be kept to a minimum.

なお、本発明が以上の形態例に限定されるものでないことは当然であり、例えば、本形態例に示す運転室であれば、下側のブラケット4を側方窓ガラス1の下側の枠に取り付けても良い。   Of course, the present invention is not limited to the above embodiment. For example, in the cab shown in this embodiment, the lower bracket 4 is attached to the lower frame of the side window glass 1. It may be attached to.

この発明は、前部窓ガラスが着脱自在となる種々の建設機械に適用可能である。   The present invention is applicable to various construction machines in which the front window glass is detachable.

本発明に係る一形態例の説明図であり、(a)は運転室の内部から側方窓ガラスを見た状態図、(b)は(a)中のＡ−Ａ断面図である。It is explanatory drawing of the example of 1 form which concerns on this invention, (a) is the state figure which looked at the side window glass from the inside of a driver's cab, (b) is AA sectional drawing in (a). 実開平４−８０７０７号に開示される従来の前部窓ガラス収納構造を示し、(a)はその公報において従来構造として説明される構造、(b)はその改良構造を各示す。A conventional front window glass housing structure disclosed in Japanese Utility Model Laid-Open No. 4-80707 is shown. (A) shows a structure described as a conventional structure in the publication, and (b) shows an improved structure. 近時用いられている前部窓ガラスの収納構造の説明図である。It is explanatory drawing of the storage structure of the front window glass currently used recently.

符号の説明Explanation of symbols

1 側方窓ガラス
2,3,4 ブラケット
5 前部窓ガラス 1 Side window glass
2,3,4 Bracket
5 Front window glass

Claims (1)

少なくとも、収納すべき窓ガラスの上端、側端、下端のいずれか任意の３箇所を、固定部材によりそれぞれ固定することにより、運転室の側方側に前記窓ガラスを固定する建設機械の窓ガラス収納構造において、少なくとも２箇所の固定部材を側方窓ガラスの枠部に取り付けさせるとともに、１箇所の固定部材を側方窓ガラス上に直接取り付けさせたことを特徴とする建設機械の窓ガラス収納構造。   The window glass of a construction machine that fixes the window glass to the side of the cab by fixing at least any three of the upper end, the side end, and the lower end of the window glass to be accommodated by a fixing member. In the storage structure, at least two fixing members are attached to the frame portion of the side window glass, and one fixing member is directly attached on the side window glass. Construction.
JP2004080029A 2004-03-19 2004-03-19 Windowpane storage structure of construction machine Pending JP2005263072A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015229903A (en) * 2014-06-06 2015-12-21 日立建機株式会社 Cab for construction machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015229903A (en) * 2014-06-06 2015-12-21 日立建機株式会社 Cab for construction machine

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