CN1344845A - Sealing structure of cabin for building machinery - Google Patents
Sealing structure of cabin for building machinery Download PDFInfo
- Publication number
- CN1344845A CN1344845A CN01133164A CN01133164A CN1344845A CN 1344845 A CN1344845 A CN 1344845A CN 01133164 A CN01133164 A CN 01133164A CN 01133164 A CN01133164 A CN 01133164A CN 1344845 A CN1344845 A CN 1344845A
- Authority
- CN
- China
- Prior art keywords
- hole
- oil pressure
- circle
- flexible pipe
- pressure flexible
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/16—Cabins, platforms, or the like, for drivers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
A sealing structure of cabin for building machinery can surely prevent the intrusion of noise or dust through a slit formed in a grommet or the clearance of adjacent hoses in a bundle of hydraulic hoses or the like. Hydraulic hoses are inserted to cylindrical seal members one by one. In the state where a plurality of the hydraulic hoses after insertion is bundled, the circumferential part thereof is retained by a tape-like seal member and inserted to an insert hole provided in the grommet.
Description
Technical field
The present invention relates to the hermetically-sealed construction of the cab for construction machinery that uses in a kind of for example building machinery resemble the hydraulic excavator.
Background technology
Usually, in the such building machinery of hydraulic excavator, oil pressure flexible pipe that the action bars in driver's cabin extends or electrical harness etc. are to connect ground and wall part ground pipe arrangement or be wired to outdoor.In this case, be on ground etc., to wear through hole, the hole circle is embedded in this through hole to keep above-mentioned oil pressure flexible pipe etc.
Fig. 5 (a) and Fig. 5 (b) represent respectively that at present extensively the vertical view of the hole of employing circle and its C-C are to sectional view.As shown in the figure, the structure of existing hole circle 50 is, by the hole circle body 52 that on peripheral part, has the slot part 51 that engages with the through hole that forms on the ground with block constituting with the integrally formed barrier film 53 of this hole circle body 52 medially of this hole circle body 52, all around direction is provided with several slits 54 in these barrier film 53 upper edges, can insert above-mentioned oil pressure flexible pipe etc. by these slits 54.
And, as prior art related to the present invention, disclosed technology in No. 2541752 communique of utility model is arranged.The technology that this communique is put down in writing is to be purpose to obtain soundproof effect and dustproof effect; its structure is; in the close beam tube that will closely fetter many oil pressure flexible pipes etc. inserts structure in the through-hole section that is located on the plate; the interval guard block of the hollow tube-shape that setting is made of flexible material; it is flange shape making an end of this interval guard block; and be fixed on a side of through-hole section, by another end close beam tube of clamping flexibly.
But, in the hole circle 50 of the existing structure of in Fig. 5, being put down in writing, when oil pressure flexible pipe etc. is inserted by slit 54, because barrier film 53 is thin-walled (being generally about 2mm), dig at its barrier film 53 of part that these slits 54 intersect, periphery at the oil pressure flexible pipe that inserts etc. always produces the gap, thereby produces the problem that noise or dust are invaded from this gap.
On the other hand; in No. 254175 disclosed technology of communique of utility model of enumerating as prior art related to the present invention; because the close beam tube outer peripheral face of constraint oil pressure flexible pipe etc. is flexibly kept by the interval guard block; so can prevent the intrusion of noise or dust to a certain extent; but can not the gap between the oil pressure flexible pipe that adjoin each other be sealed fully, thereby have the problem that can not prevent reliably that noise, dust etc. from invading from this gap.
The present invention proposes in view of the above problems, its purpose is to provide a kind of hermetically-sealed construction of cab for construction machinery, can prevent slit that noise or dust form from hole circle reliably or invades the space between the flexible pipe of adjacency under fettering the situation of oil pressure flexible pipe etc.
Summary of the invention
In order to arrive above-mentioned purpose, the hermetically-sealed construction of cab for construction machinery of the present invention is a kind ofly on the through hole of the driver's cabin of building machinery and outdoor separated division board porose circle to be installed, several oil pressure flexible pipes and/or electrical harness are inserted the hermetically-sealed construction of the cab for construction machinery in this hole circle, it is characterized in that, above-mentioned oil pressure flexible pipe or electrical harness are that one one ground inserts in the encapsulant cylindraceous, under the state with the constraint of the oil pressure flexible pipe after several insertions or electrical harness, the seal member by band shape keeps its peripheral part and inserts being arranged on inserting in the hole on the circle of above-mentioned hole.
According to hermetically-sealed construction of the present invention, existingly on the thin-walled barrier film, form the hole circle that a plurality of slits constitute owing to not needing to adopt, so can be because of not turning over by inserting on the barrier film that oil pressure flexible pipe etc. makes the hole circle.And, owing to be the peripheral part that keeps each oil pressure flexible pipe etc. by encapsulant cylindraceous, and with the constraints such as oil pressure flexible pipe after several insertions, the structure that keeps its peripheral part by the seal member of band shape, so can enough encapsulants seal the gap between the oil pressure flexible pipe that adjoins each other etc. reliably, simultaneously because peripheral part also is by the seal member sealing of band shape, so between the oil pressure flexible pipe of these adjacency etc. and between the outer peripheral face of the oil pressure flexible pipe of constraint etc. and the hole circle patchhole, can not produce the gap.Therefore, can prevent reliably that the periphery of noise or the dust oil pressure flexible pipe from the patchhole circle etc. from invading, can make to be comfortable environment in the driver's cabin.And, owing to can under the state with constraints such as these oil pressure flexible pipes, handle, so can also improve assembleability.
In the present invention, being preferably in and being arranged at inserting in the hole on the circle of above-mentioned hole, is the protuberance that is provided with tubular integratedly with mode and the hole circle body that surrounds this patchhole.In this case, after with above-mentioned oil pressure flexible pipe or above-mentioned the inserting in the hole of electrical harness insertion, by getting final product around the fastening above-mentioned tubular protuberance of restraint zone.So, can keep oil pressure flexible pipe or electrical harness more reliably.
In the present invention, above-mentioned encapsulant and seal member preferably are made of flexible materials such as sponges.Like this, can absorb the activity of oil pressure flexible pipe or electrical harness reliably.
Description of drawings
Fig. 1 is the stereogram of the driver's cabin hermetically-sealed construction of expression one embodiment of the invention.
Fig. 2 is that the stereogram (a) of hole circle of present embodiment and its A-A are to sectional view (b).
Fig. 3 (a) and (b) are the view of the hermetically-sealed construction of expression present embodiment.
Fig. 4 is that the stereogram (a) of the related hole of other embodiment circle and its B-B are to sectional view (b).
Fig. 5 for the vertical view (a) of the existing hole of expression circle and its C-C to sectional view (b).
The specific embodiment
Below, with reference to accompanying drawing concrete to the hermetically-sealed construction of cab for construction machinery of the present invention
Embodiment is illustrated.
Fig. 1 is applicable to the stereogram of the driver's cabin hermetically-sealed construction that one embodiment of the invention in the hydraulic excavator is related for expression, Fig. 2 for the stereogram (a) of the hole circle that adopts in the mechanism of present embodiment and its A-A to sectional view (b), Fig. 3 (a) and (b) are the view of the hermetically-sealed construction of representing present embodiment.
The hermetically-sealed construction of present embodiment be about on the ground that runs through driver's cabin, make 1 and electrical harness 2 of several (under the situation at present embodiment being 6) oil pressure flexible pipes (PPC flexible pipe) by the time with respect to the hermetically-sealed construction of the action bars in the driver's cabin that is arranged on hydraulic excavator, possess and be fastened on the ground 3 hole circle 4 fixing among the formed through hole 3a.This hole circle 4 is to be integrally formed as to overlook by for example rubber or soft plastics elastomeric material to be roughly oval shape, and central portion 4a forms thicker wall portion (for example being 12mm), and peripheral part 4b is with respect to this central portion 4a thicker (for example being 21mm) simultaneously.
On the peripheral part 4b of above-mentioned hole circle 4, be formed with the slot part 5 chimeric with the through hole 3a on ground 3, dorsal part at this slot part 5 is formed with the portion of evading 6 simultaneously, in the time of in the through hole 3a that hole circle 4 is embedded ground 3, peripheral part 4b distortion can easily be embedded on the peritreme of this through hole 3a.
The central portion 4a of above-mentioned hole circle 4 be provided be used to insert oil pressure flexible pipe 1 a cross section for circular oil pressure flexible pipe patchhole 7 and a cross section that is used to insert electrical harness 2 be circular electrical harness patchhole 8.Each patchhole 7,8 is connected via separately slit 9,10 outer peripheral face with hole circle 4, these slits 9,10 is pushed away wealthy, from outer peripheral face one side oil pressure flexible pipe 1 or electrical harness 2 is entrenched in each patchhole 7,8.
As shown in Figure 3, enclose 4 differently, prepare out cylindric encapsulant 21 that constitutes by flexible materials such as sponge and the band seal part 22 that constitutes by flexible materials such as sponges corresponding to the radical (being 6 in the present embodiment) of oil pressure flexible pipe 1 with above-mentioned hole.Similarly, also prepare out the band seal part 23 (with reference to Fig. 1) of electrical harness 2 usefulness.
Like this, for oil pressure flexible pipe 1, at first each oil pressure flexible pipe 1 is inserted respectively in each encapsulant 21, inserting the back will be wound on by the banded encapsulant 22 that flexible materials such as sponge constitute on its peripheral part under with the state of its constraint, make between each encapsulant 21 of adjacency and do not produce the gap, under this reeling condition in the patchhole 7 of patchhole circle 4.Similarly, for electrical harness 2, be wound on the peripheral part of electrical harness 2 at encapsulant 23 with band shape after, under this reeling condition in the patchhole 8 of patchhole circle 4.In addition, in the time of on oil pressure flexible pipe 1 and electrical harness 2 being assembled into hole circle 4, from outer Monday of the side of hole circle 4 each slit 9,10 is pushed away wealthyly, insert simultaneously in each patchhole 7,8.
After the insertion, when among the through hole 3a that hole circle 4 is entrenched in ground 3, since seal member 22,23 restoring force, between the inner peripheral surface of the outer peripheral face of each seal member 22,23 and patchhole 7,8 and each oil pressure flexible pipe 1 sealed reliably each other, even with respect to the activity of oil pressure flexible pipe 1, encapsulant 21 and seal member 22 also can play the effect that absorbs its activity simultaneously.Therefore, the institute that can eliminate between the adjacent oil pressure flexible pipe 1 under with the state in the patchhole 7 of several oil pressure flexible pipe 1 constraints and patchhole circle 4 is gapped, can prevent reliably in the intrusion driver's cabins such as noise, dust.
The stereogram (a) of the related hole circle of other embodiment of the present invention and its B-B have been shown to sectional view (b) among Fig. 4.
The hole circle 4 ' of present embodiment is the protuberance 11 that tubular is set integratedly with hole circle body on the position that surrounds oil pressure flexible pipe patchhole 7 ', is formed with flange part 11a simultaneously on ora terminalis on this protuberance 11.And, in the present embodiment, omitted the portion of evading 6 of slot part 5 dorsal parts.In addition, basically with the same invariably part of previous embodiment.Therefore, the part identical with previous embodiment given identical symbol on figure, and describes it in detail omission.
In the present embodiment, each oil pressure flexible pipe 1 is inserted in each encapsulant 21, insert the back and under with the state of its constraint, seal member 22 is wound on its peripheral part, under this reeling condition, insert in the patchhole 7 '.In addition, after inserting, with fastening around the body portion (the below part of flange part 11a) of protuberance 11, can keep oil pressure flexible pipe 1 reliably like this by the restraint zone (not shown) to patchhole 7 '.
In the various embodiments described above, the example that makes PPC valve (aux. control valve) action by oil pressure flexible pipe 1 is illustrated, but self-evident, consideration method of the present invention also is applicable in the hydraulic excavator with electric operation bar.
In the various embodiments described above, in the patchhole 8 with electrical harness 2 patchhole circles 4, the structure that the seal member 23 of band shape is wound on the peripheral part of this electrical harness 2 is illustrated.But also can not adopt such seal member 23, and electrical harness 2 is inserted with the same cylindric encapsulant of the encapsulant 21 of oil pressure flexible pipe 1 usefulness in after, in the patchhole 8 of patchhole circle 4.
In the various embodiments described above, with the ground hermetically-sealed construction of the driver's cabin that is arranged on hydraulic excavator is that example is illustrated, but hermetically-sealed construction of the present invention might not only limit to be used for the ground of driver's cabin, also goes for for example being installed in the through hole on the separated division board of vehicle frame part in engine room and its place ahead is medium, as will to comprise noise source isolation room and the outer spaced apart various division boards of its isolation room.
And, in the above-described embodiments, be to be the explanation that example is carried out with the hydraulic excavator, but the present invention can certainly be applicable in other the building machinery.
Claims (4)
1. the hermetically-sealed construction of a cab for construction machinery is installed porose circle on the through hole with the driver's cabin of building machinery and outdoor separated division board, several oil pressure flexible pipes and/or electrical harness are inserted in this hole circle, it is characterized in that,
Above-mentioned oil pressure flexible pipe or electrical harness are that one one ground inserts in the encapsulant cylindraceous, under the state with the constraint of the oil pressure flexible pipe after several insertions or electrical harness, the seal member by band shape keeps its peripheral part and inserts being arranged on inserting in the hole on the circle of above-mentioned hole.
2. the hermetically-sealed construction of cab for construction machinery according to claim 1 is characterized in that, is being arranged at inserting in the hole on the circle of above-mentioned hole, is the protuberance that is provided with tubular integratedly with mode and the hole circle body that surrounds this patchhole.
3. the hermetically-sealed construction of cab for construction machinery according to claim 2 is characterized in that, after with above-mentioned oil pressure flexible pipe or above-mentioned the inserting in the hole of electrical harness insertion, around the fastening above-mentioned tubular protuberance of restraint zone.
4. according to the hermetically-sealed construction of each described cab for construction machinery in the claim 1 to 3, it is characterized in that above-mentioned encapsulant and seal member are made of flexible materials such as sponges.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000281579A JP4751985B2 (en) | 2000-09-18 | 2000-09-18 | Construction machine cab seal structure |
| JP281579/2000 | 2000-09-18 | ||
| JP281579/00 | 2000-09-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1344845A true CN1344845A (en) | 2002-04-17 |
| CN1196610C CN1196610C (en) | 2005-04-13 |
Family
ID=18766211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01133164XA Expired - Fee Related CN1196610C (en) | 2000-09-18 | 2001-09-18 | Sealing structure of cabin for building machinery |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4751985B2 (en) |
| KR (1) | KR100743014B1 (en) |
| CN (1) | CN1196610C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542046B (en) * | 2006-11-30 | 2011-12-07 | 株式会社小松制作所 | Cab support device for working machine |
| CN102561441A (en) * | 2010-12-22 | 2012-07-11 | 日立建机株式会社 | Hydraulic pipe protection structure of engineering machine |
| CN102787623A (en) * | 2011-05-19 | 2012-11-21 | 日立建机株式会社 | Opening seal cover and engineering machinery having the same |
| CN102959158A (en) * | 2011-06-17 | 2013-03-06 | 株式会社小松制作所 | Hydraulic shovel |
| CN103241110A (en) * | 2013-04-26 | 2013-08-14 | 安徽江淮汽车股份有限公司 | Sealing element for electric vehicle |
| CN106949314A (en) * | 2016-01-06 | 2017-07-14 | 福特全球技术公司 | System and method for orifice ring to be fixed to wiring |
| CN109318827A (en) * | 2018-08-10 | 2019-02-12 | 三汽车制造有限公司 | Plugging device, driver's cabin and engineering truck |
| CN113629464A (en) * | 2021-08-12 | 2021-11-09 | 浙江富特科技股份有限公司 | Wire harness combination |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4454277B2 (en) * | 2003-10-03 | 2010-04-21 | 株式会社小松製作所 | Wiring and piping harness mounting structure |
| JP5720642B2 (en) * | 2012-08-22 | 2015-05-20 | コベルコ建機株式会社 | Construction machine cable fixing structure |
| JP6411974B2 (en) * | 2015-08-27 | 2018-10-24 | 株式会社日立建機ティエラ | Construction machinery |
| JP6595931B2 (en) * | 2016-02-19 | 2019-10-23 | 株式会社竹内製作所 | Work vehicle |
| JP7126989B2 (en) * | 2019-06-26 | 2022-08-29 | 株式会社クボタ | work machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2985711B2 (en) * | 1995-03-10 | 1999-12-06 | 住友電装株式会社 | Grommet waterproof structure and waterproofing method |
| KR19980036564U (en) * | 1996-12-16 | 1998-09-15 | 김영귀 | Interference Prevention Grommet |
| JP3214396B2 (en) * | 1997-05-22 | 2001-10-02 | 住友電装株式会社 | Spacer for forming wiring harness gap and waterproof structure of grommet using the spacer |
| JP3336936B2 (en) * | 1997-12-08 | 2002-10-21 | 住友電装株式会社 | Grommet mounting structure to wire harness |
-
2000
- 2000-09-18 JP JP2000281579A patent/JP4751985B2/en not_active Expired - Fee Related
-
2001
- 2001-09-07 KR KR1020010055092A patent/KR100743014B1/en active IP Right Grant
- 2001-09-18 CN CNB01133164XA patent/CN1196610C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542046B (en) * | 2006-11-30 | 2011-12-07 | 株式会社小松制作所 | Cab support device for working machine |
| CN102561441A (en) * | 2010-12-22 | 2012-07-11 | 日立建机株式会社 | Hydraulic pipe protection structure of engineering machine |
| CN102561441B (en) * | 2010-12-22 | 2015-08-19 | 日立建机株式会社 | The hydraulic pipe protection structure of engineering machinery |
| CN102787623A (en) * | 2011-05-19 | 2012-11-21 | 日立建机株式会社 | Opening seal cover and engineering machinery having the same |
| CN102787623B (en) * | 2011-05-19 | 2015-10-28 | 日立建机株式会社 | Closure of openings cover and there is the engineering machinery of this closure of openings cover |
| CN102959158A (en) * | 2011-06-17 | 2013-03-06 | 株式会社小松制作所 | Hydraulic shovel |
| CN102959158B (en) * | 2011-06-17 | 2014-04-16 | 株式会社小松制作所 | Hydraulic shovel |
| CN103241110A (en) * | 2013-04-26 | 2013-08-14 | 安徽江淮汽车股份有限公司 | Sealing element for electric vehicle |
| CN106949314A (en) * | 2016-01-06 | 2017-07-14 | 福特全球技术公司 | System and method for orifice ring to be fixed to wiring |
| CN109318827A (en) * | 2018-08-10 | 2019-02-12 | 三汽车制造有限公司 | Plugging device, driver's cabin and engineering truck |
| CN109318827B (en) * | 2018-08-10 | 2024-05-07 | 三一汽车制造有限公司 | Plugging device, cab and engineering vehicle |
| CN113629464A (en) * | 2021-08-12 | 2021-11-09 | 浙江富特科技股份有限公司 | Wire harness combination |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020021993A (en) | 2002-03-23 |
| KR100743014B1 (en) | 2007-07-26 |
| JP4751985B2 (en) | 2011-08-17 |
| CN1196610C (en) | 2005-04-13 |
| JP2002088801A (en) | 2002-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090522 Address after: Tokyo, Japan, Hong Kong port, two, 3, 6 Patentee after: Komatsu Mfg Co., Ltd. Address before: Tokyo, Japan Co-patentee before: Daikyo Incorporated Patentee before: Komatsu production Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050413 Termination date: 20190918 |