CN210734300U - Sealing device, cab and vehicle - Google Patents
Sealing device, cab and vehicle Download PDFInfo
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- CN210734300U CN210734300U CN201921855446.7U CN201921855446U CN210734300U CN 210734300 U CN210734300 U CN 210734300U CN 201921855446 U CN201921855446 U CN 201921855446U CN 210734300 U CN210734300 U CN 210734300U
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- sealing
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- hole
- cab
- top cover
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Abstract
The utility model provides a sealing device, driver's cabin and vehicle, wherein, sealing device includes: the top cover is provided with a through hole structure; the drainage box is arranged below the top cover and is opposite to the through hole structure, the bottom of the drainage box is communicated to the flow guide channel, and liquid in the drainage box can be discharged through the flow guide channel. The utility model discloses add the drainage box that has the effect of collecting the water conservancy diversion in the bottom of top cap for the rainwater that permeates in the driver's cabin is collected in the drainage box, and discharges the driver's cabin under the combined action of drainage box and water conservancy diversion passageway, promotes the waterproof sealing nature of whole driver's cabin.
Description
Technical Field
The utility model relates to an engineering machine tool field particularly, relates to a sealing device, driver's cabin and vehicle.
Background
At present, a wire harness is often required to be wired from the inside of a cab to electric devices (a top lamp, a warning lamp, an air conditioner and the like) outside the top of the cab (a protective net, a top cover bracket and the like) in an engineering machinery cab, a wire hole needs to be formed in a cab top cover in the mode, and the wire hole causes the hidden danger of water leakage of the cab.
As shown in fig. 1 to 4, the sealing device 100' of the related art adopts several ways: as shown in fig. 1 and 2, the wire harness 12 'passes through the sealing rubber sleeve 14', the sealing rubber sleeve 14 'is assembled on a sheet metal on the top of the cab, and the sealing is realized through interference fit of a sheet metal wire passing hole of the cab and the sealing rubber sleeve 14'; as shown in fig. 3, the line passes through the inside of the sealing box, the sealing box body 16 'is filled with sealant, the sealing box is mounted on the top of the vehicle through bolts, and the joint surface is provided with a sealing gasket 18' to realize sealing; as shown in fig. 4, the wire harness 12 ' is clamped by the upper pressure plate 20 ' and the lower pressure plate 22 ' through bolts, the sealing gaskets 18 ' are designed between the upper pressure plate 20 ', the lower pressure plate 22 ' and the wire harness 12 ' for waterproof sealing, and the clamped wire harness 12 ', the upper pressure plate 20 ' and the lower pressure plate 22 ' are integrally assembled on the cab through the sealing gaskets 18 ' to realize sealing.
However, the above three solutions all have the following problems: the sealing performance between the cab and the sealing rubber sleeve 14 'and between the cab and the sealing gasket 18' is limited, and when the assembly operation is improper, the hole opening precision of the top metal plate is poor, and the top metal plate is deformed, the water leakage or water seepage fault of the cab can occur; the engineering machinery cab has severe working conditions and environments, and the rubber threading plug cover, the rubber pad and the sealant which are assembled at the top of the engineering machinery cab are exposed to sunlight and high-dust working conditions for a long time and are easy to age or damage, so that the potential rain leakage hazard is caused; the rubber wire passing plug cover, the rubber sealing gasket 18' and the sealing glue in the cab have high requirements on the skill of workers and operation, and can cause the hidden danger of rain leakage or water seepage in the cab if assembly errors or irregular operation exist; for the rainwater that immerses the driver's cabin inside from driver's cabin top cap line hole department, do not have further processing scheme, can only accept to immerse the rainwater, this immerse rainwater and have the risk to driver's cabin interior trim and electrical component damage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model discloses a first aspect provides a sealing device.
The utility model discloses the second aspect provides a driver's cabin.
The utility model discloses the third aspect provides a vehicle.
The utility model discloses the first aspect provides a sealing device, include: the top cover is provided with a through hole structure; the drainage box is arranged below the top cover and is opposite to the through hole structure, the bottom of the drainage box is communicated to the flow guide channel, and liquid in the drainage box can be discharged through the flow guide channel.
The utility model provides a sealing device is provided with the drainage box in the below of top cap, and the bottom and the water conservancy diversion passageway of drainage box are linked together. In the in-service use process, inside partial rainwater can permeate to the driver's cabin through the through-hole structure of top cap, the drainage box that is located the top cap below can be collected this partial rainwater, collects the rainwater in the drainage box and passes through diversion channel discharge driver's cabin, guarantees the waterproof sealing nature of driver's cabin.
The utility model discloses add the drainage box that has the effect of collecting the water conservancy diversion in the bottom of top cap for rainwater in permeating the driver's cabin is collected in the drainage box, and discharges the driver's cabin under the combined action of drainage box and water conservancy diversion passageway, and then guarantees the leakproofness of driver's cabin, promotes the waterproof sealing nature of whole driver's cabin.
According to the utility model discloses above-mentioned technical scheme's sealing device can also have following additional technical characterstic:
in the above technical solution, preferably, the method further includes: and the supporting component is connected with the top cover and positioned below the top cover, and the flow guide channel is formed in the supporting component.
In the technical scheme, the sealing device further comprises a supporting component, the supporting component is positioned below the top cover and connected with the top cover, and the supporting component is used for supporting the top cover; the inside cavity of support component is formed with the water conservancy diversion passageway, and the water conservancy diversion passageway is linked together with the drainage box, guarantees that the rainwater of collecting in the inside drainage box can discharge smoothly. The flow guide channel is formed by the supporting component, so that other structures can be prevented from being additionally added, the supporting component has the functions of supporting and flow guiding, and the whole structure of the sealing device is simplified. In particular, the support member may employ a hollow pillar.
In any of the above technical solutions, preferably, a cavity structure is disposed in the drainage box, the cavity structure is located below the through hole structure, a drainage hole is disposed on a side wall of the support member, and the cavity structure is communicated with the flow guide channel through the drainage hole.
In the technical scheme, most of rainwater permeating into the cab permeates through the through hole structure, so that the drainage box is arranged below the through hole structure, the rainwater permeating through the through hole structure is collected in the drainage box, and the rainwater is prevented from dripping to other positions; a cavity structure is arranged in the drainage box, so that rainwater is collected in the cavity structure; the side wall of the supporting component is provided with a drain hole, and the cavity structure is communicated with the flow guide channel through the drain hole, so that rainwater can smoothly flow to the flow guide channel.
In any of the above technical solutions, preferably, the through hole structure is a first wire passing hole, the side wall of the drainage box is provided with a second wire passing hole, and the wire harness passes through the first wire passing hole and the second wire passing hole.
In this technical scheme, for the line of walking of guaranteeing the driver's cabin, will be located the through-hole structure of top cap and regard as first crossing the line hole to be provided with the second at the lateral wall of drainage box and cross the line hole, guarantee that the pencil passes top cap and drainage box, guarantee the electrical connection of driver's cabin.
In any of the above technical solutions, preferably, the second wire passing hole is located on a side of the drainage box away from the drainage hole, and the bottom wall of the drainage box gradually decreases from the second wire passing hole to the drainage hole.
In the technical scheme, the second wire passing hole and the drain hole are positioned at two opposite sides of the drainage box. Wherein, the second is crossed the line hole and is in the higher position of diapire, and the outlet is located the lower position of diapire, promptly, sets up the diapire slope of drainage box. In the actual use process, partial rainwater permeates to the top cover below through the through hole structure, and moves along the pencil. This part of the rain water will drip down at the higher level of the bottom wall and then flow under its own weight to the flow guide channel and finally exit the cab. In addition, the direction of the rainwater in the drainage box is opposite to the direction of the wiring harness, so that the wiring harness can be prevented from contacting the rainwater in the drainage box.
Set up to the tilt state through the bottom with drainage box, can effectively guarantee to collect and flow smoothly to the water conservancy diversion passageway in the inside rainwater of drainage box, avoid the interior rainwater of preserving of drainage box.
In any of the above technical solutions, preferably, the method further includes: the sealing gasket is arranged at the through hole structure, and the wire harness penetrates through the sealing gasket; the sealing pressing block is screwed on the top cover through a fastener, and the sealing gasket is positioned between the sealing pressing block and the top cover.
In the technical scheme, in order to realize the sealing of the through hole structure, a sealing gasket is arranged at the through hole structure, and a wire harness penetrates through the sealing gasket and extends into the drainage box; in order to ensure the tight fit of the sealing gasket, the top cover and the wire harness and improve the sealing performance of the through hole structure, a sealing pressing block is arranged above the top cover, and the sealing gasket is positioned between the sealing pressing block and the top cover. After the sealing gasket is installed, the sealing pressing block is screwed on the top cover by the fastener to compress the sealing gasket, so that the sealing performance of the through hole structure is further improved. Specifically, the fastener is a bolt.
In any of the above technical solutions, preferably, the method further includes: the first sealant is arranged at the through hole structure and is positioned between the sealing gasket and the top cover.
According to the technical scheme, before the sealing pressing block is fixed by the fastening piece, gluing is carried out on the through hole structure. The first sealant is smeared around the through hole structure, and then the sealing pressing block and the sealing gasket are screwed on the top cover by the fastener, so that the sealing performance of the through hole structure is improved.
Specifically, at the through hole structure, a sealing pressing block is matched with a sealing gasket to form a first seal; the first sealant between the top cover and the sealing gasket forms a second seal, and the top cover and the sealing gasket are mutually matched, so that the sealing performance of the through hole structure can be greatly improved, and rainwater is prevented or reduced from permeating into the cab from the top of the top cover.
In any of the above technical solutions, preferably, the method further includes: the sealing plug is arranged at the second wire passing hole, and the wire harness penetrates through the sealing plug; and the second sealant is arranged at the second wire passing hole and is positioned between the sealing plug and the drainage box.
In the technical scheme, in order to prevent rainwater on the wire harness from penetrating through the second wire passing hole along with the wire harness and dropping into the cab, the sealing plug is arranged at the second wire passing hole, the sealing plug is used for plugging a gap between the second wire passing hole and the wire harness, so that the effect of sealing the second wire passing hole is achieved, and the sealing plug and the second wire passing hole are in interference fit.
Further, after the sealing plug is installed, glue is applied to the second wire passing hole. Namely, the second sealant is smeared at the position where the second wire passing hole is matched with the sealing plug so as to improve the sealing performance of the second wire passing hole.
Specifically, at the second wire passing hole, a sealing plug forms a first seal; the sealing plug and the second sealant between the hole walls of the second wire passing holes are used for second sealing, and the sealing plug and the second sealant are matched with each other, so that the sealing performance of the second wire passing holes can be greatly improved, and rainwater is prevented or reduced from permeating into the cab from the drainage box.
The utility model discloses the second aspect provides a driver's cabin, include: a sealing device according to any one of the first aspect of the present invention; the top cover of the sealing device is the top wall of the cab, the supporting part of the sealing device is positioned on the side wall of the cab, the drainage box is positioned in the cab, and liquid entering the drainage box is discharged through the flow guide channel.
The utility model discloses the driver's cabin that the second aspect provided, because of including if the utility model discloses the sealing device of any one of the first aspect, consequently based on above-mentioned sealing device's whole beneficial effect. Wherein, the utility model discloses well sealing device's top cap is the roof of driver's cabin promptly, and sealing device's supporting component is driver's cabin lateral wall cavity cylinder structure promptly to the inside that will arrange the water box and be located the driver's cabin.
In the actual use process, the top wall of the cab is sealed by the sealing gasket and the first sealing glue to form a first heavy seal, so that rainwater is prevented from entering the cab; the side part of the cab is sealed by a sealing plug and a second sealant to form a second secondary seal, so that rainwater is prevented from entering the cab; the inside of driver's cabin sets up drainage box, and drainage box is linked together with the inside water conservancy diversion passageway of support component, and the inside rainwater of partial infiltration water conservancy diversion drainage box flows to the water conservancy diversion passageway and discharges under the guide effect of water conservancy diversion passageway, forms the tertiary sealed, avoids the rainwater to get into inside the driver's cabin.
The utility model discloses cross line hole department at through-hole structure and second, adopt rubber to cross line end cap or rubber pad and carry out first waterproof sealing, cross the peripheral mending glass of line end cap and driver's cabin panel beating at rubber and glue, or pass the briquetting and do the rubber pad compaction for the second way waterproof sealing. Aiming at rainwater penetrating into the cab from the rubber wire passing plug or the rubber pad, the drainage box is designed to be drained out of the cab from the inside of the supporting part of the cab so as to realize a third waterproof seal.
Through above first, the waterproof sealing scheme of second way prevents that the rainwater from soaking the driver's cabin, and in addition the third is to soaking the scheme that the inside rainwater of driver's cabin guided the discharge driver's cabin, promote the waterproof sealing nature of whole car of driver's cabin.
The utility model discloses the third aspect provides a vehicle, include: a cab according to the second aspect of the present invention; or, a sealing device of any of the above.
The utility model discloses vehicle that third aspect provided, because of including as the utility model discloses the driver's cabin of second aspect. Therefore, the overall beneficial effects of the sealing device are not described herein.
Specifically, the vehicle further comprises a vehicle body, and the cab is arranged on the head of the vehicle body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view showing a structure of a sealing apparatus in the related art;
FIG. 2 is a cross-sectional view of the sealing device of the embodiment shown in FIG. 1;
FIG. 3 is a schematic view showing the structure of another sealing apparatus in the related art;
fig. 4 is a schematic structural view of still another sealing apparatus in the related art.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
100 ' sealing device, 12 ' wiring harness, 14 ' sealing rubber sleeve, 16 ' sealing box body, 18 ' sealing gasket, 20 ' upper pressing plate and 22 ' lower pressing plate.
Fig. 5 is a schematic structural view of a sealing device according to an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of the sealing device of the embodiment of FIG. 5 at A;
FIG. 7 is a cross-sectional view of the sealing device of the embodiment shown in FIG. 5;
FIG. 8 is an enlarged view of the seal assembly of the embodiment of FIG. 7 at section B;
FIG. 9 is a schematic view of the sealing device of the embodiment of FIG. 5 from another perspective;
FIG. 10 is an enlarged fragmentary view at C of the sealing device of the embodiment of FIG. 9;
fig. 11 is an exploded view of the sealing device of the embodiment shown in fig. 5.
Wherein, the correspondence between the reference numbers and the part names in fig. 5 to 11 is:
100 sealing device, 12 top cover, 14 supporting component, 16 draining box, 18 sealing gasket, 20 sealing pressing block, 22 fastening piece, 24 sealing plug and 26 wiring harness.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A sealing device 100, a cab, and a vehicle according to some embodiments of the present invention will be described with reference to fig. 5 to 11.
The present invention proposes a first aspect of a sealing device 100, as shown in fig. 5 to 11, comprising: the top cover 12 is provided with a through hole structure; and the drainage box 16 is arranged below the top cover 12 and is opposite to the through hole structure, the bottom of the drainage box 16 is communicated to the flow guide channel, and liquid in the drainage box 16 can be discharged through the flow guide channel.
The utility model provides a sealing device 100 is provided with drainage box 16 in the below of top cap 12, and drainage box 16 discharges and is linked together with the water conservancy diversion passageway. In the in-service use process, inside partial rainwater can permeate to the driver's cabin through the through-hole structure of top cap 12, and the drainage box 16 that is located the top cap 12 below can collect this partial rainwater, and the rainwater of collecting in drainage box 16 can flow to the water conservancy diversion passageway to through the water conservancy diversion passageway discharge driver's cabin, guarantee the waterproof leakproofness of driver's cabin.
The utility model discloses add the drainage box 16 that has the effect of collecting the water conservancy diversion in top cap 12's bottom for rainwater in permeating the driver's cabin is collected in drainage box 16, and discharges the driver's cabin under drainage box 16 and water conservancy diversion passageway's combined action, and then guarantees the leakproofness of driver's cabin, promotes the waterproof sealing nature of whole driver's cabin.
In an embodiment of the present invention, preferably, as shown in fig. 5, 7 and 9, the method further includes: and a support member 14 connected to the top cover 12 and located below the top cover 12, wherein a guide passage is formed inside the support member 14.
In this embodiment, the sealing device 100 further comprises a support member 14, the support member 14 is located below the top cover 12 and connected to the top cover 12, the support member 14 is used for supporting the top cover 12; the supporting member 14 is hollow and forms a flow guide passage, which is communicated with the drainage box 16 to ensure smooth drainage of rainwater collected in the drainage box 16. The flow guide channel is formed by the supporting component 14, so that additional structures can be avoided, the supporting component 14 has the functions of supporting and guiding flow, and the whole structure of the sealing device 100 is simplified. Specifically, the support member 14 may employ a hollow pillar.
In an embodiment of the present invention, preferably, as shown in fig. 7, 8 and 9, a cavity structure is disposed in the drainage box 16, the cavity structure is located below the through hole structure, the side wall of the supporting component 14 is provided with a drainage hole, and the cavity structure and the flow guide channel are communicated through the drainage hole.
In this embodiment, most of the rainwater permeating into the cab permeates through the through-hole structure, and therefore the drainage box 16 is disposed below the through-hole structure, so that the rainwater permeating through the through-hole structure is collected in the drainage box 16, and the rainwater is prevented from dropping to other positions; a cavity structure is arranged in the drainage box 16, so that rainwater is collected in the cavity structure; the side wall of the supporting component 14 is provided with a drain hole, and the cavity structure is communicated with the flow guide channel through the drain hole, so that rainwater can smoothly flow to the flow guide channel.
In an embodiment of the present invention, preferably, as shown in fig. 5 to 11, the through hole structure is a first wire passing hole, the side wall of the drainage box 16 is provided with a second wire passing hole, and the wiring harness 26 passes through the first wire passing hole and the second wire passing hole.
In order to ensure the wiring of the cab, the through hole structure positioned on the top cover 12 is used as a first wire passing hole, and a second wire passing hole is arranged on the side wall of the drainage box 16, so that the wiring harness 26 is ensured to pass through the top cover 12 and the drainage box 16, and the electrical connection of the cab is ensured.
In this embodiment, in an embodiment of the present invention, preferably, as shown in fig. 7 and 8, the second wire passing hole is located on a side of the drainage box 16 away from the drainage hole, and the bottom wall of the drainage box 16 is gradually lowered from the second wire passing hole to the drainage hole.
In this embodiment, the second wire through hole and the drain hole are located at opposite sides of the drain box 16. Wherein the second wire passing hole is located at a position where the bottom wall is higher, and the water discharge port is located at a position where the bottom wall is lower, that is, the bottom wall of the water discharge box 16 is disposed obliquely. In actual use, part of the rainwater penetrates under the top cover 12 through the through hole structure and moves along the wiring harness 26. This part of the rain water will drip down at the higher level of the bottom wall and then flow under its own weight to the flow guide channel and finally exit the cab. Furthermore, the run of the rainwater in the drain box 16 is opposite to the run of the wire harness 26, and it is ensured that the wire harness 26 is prevented from contacting the rainwater in the drain box 16.
Set up to the tilt state through the bottom with drainage box 16, can effectively guarantee to collect and flow smoothly to the water conservancy diversion passageway in the inside rainwater of drainage box 16, avoid remaining the rainwater in the drainage box 16.
In an embodiment of the present invention, preferably, as shown in fig. 6, 7 and 11, the method further includes: a gasket 18 disposed at the through hole structure, the wire harness 26 being disposed through the gasket 18; the sealing pressing block 20 is screwed to the top cover 12 through a fastener 22, and the sealing gasket 18 is located between the sealing pressing block 20 and the top cover 12.
In this embodiment, in order to achieve sealing of the through-hole structure, a gasket 18 is provided at the through-hole structure, and the wiring harness 26 is extended into the interior of the drain box 16 through the gasket 18; in order to ensure the tight fit of the sealing gasket 18 with the top cover 12 and the wiring harness 26 and improve the sealing performance at the through hole structure, a sealing pressing block 20 is arranged above the top cover 12, and the sealing gasket 18 is positioned between the sealing pressing block 20 and the top cover 12. After the sealing gasket 18 is installed, the sealing pressing block 20 is screwed to the top cover 12 by using the fastener 22 to compress the sealing gasket 18, so that the sealing performance of the through hole structure is further improved. Specifically, the utility model discloses a rubber seal pad, fastener 22 are the bolt.
In an embodiment of the present invention, preferably, the method further includes: a first sealant (not shown) is disposed at the through hole structure between the gasket 18 and the top cover 12.
In this embodiment, the through-hole structure is glued prior to securing the sealing press 20 with the fastener 22. The first sealant is applied around the through-hole structure, and then the fastening member 22 is used to screw the sealing pressing block 20 and the sealing pad 18 to the top cover 12, so as to improve the sealing performance of the through-hole structure.
In the specific embodiment, at the through hole structure, the sealing pressing block 20 and the sealing gasket 18 are matched to form a first seal; the first sealant between the top cover 12 and the sealing gasket 18 forms a second seal, and the first sealant and the second sealant are matched with each other, so that the sealing performance of the first wire passing hole can be greatly improved, and rainwater is prevented or reduced from permeating into the cab from the top of the top cover 12.
In an embodiment of the present invention, preferably, as shown in fig. 5 to 11, the method further includes: the sealing plug 24 is arranged at the second wire passing hole, and the wiring harness 26 penetrates through the sealing plug 24; and a second sealant (not shown) disposed at the second wire passing hole and located between the sealing plug 24 and the drainage box 16.
In this embodiment, in order to prevent rainwater on the wiring harness 26 from dropping into the cab through the second wire passing hole along with the wiring harness 26, the sealing plug 24 is disposed at the second wire passing hole, and the sealing plug 24 is used to plug a gap between the second wire passing hole and the wiring harness 26, so as to seal the second wire passing hole. Specifically, the utility model discloses a line end cap is crossed to rubber, and sealed end cap 24 is crossed the line hole with the second and is interference fit.
Further, after the sealing plug 24 is installed, glue is applied to the second wire passing hole. Namely, the second sealant is coated at the position where the second wire passing hole is matched with the sealing plug 24, so as to improve the sealing performance at the second wire passing hole.
In the embodiment, at the second wire passing hole, the sealing plug 24 forms a first seal; the second sealant between the sealing plug 24 and the wall of the second wire passing hole is used for second sealing, and the sealing plug and the second sealant are matched with each other, so that the sealing performance of the second wire passing hole can be greatly improved, and rainwater is prevented or reduced from permeating into the cab from the drainage box 16.
The utility model discloses the second aspect provides a driver's cabin, include: a sealing device 100 according to any of the first aspect of the present invention; wherein, the top cover 12 of the sealing device 100 is the top wall of the cab, the supporting component of the sealing device 100 is positioned on the side wall of the cab, the drainage box 16 is positioned in the cab, and the liquid entering the drainage box 16 is discharged through the diversion channel.
The utility model discloses driver's cabin that the second aspect provided, because of including like the utility model discloses sealing device 100 of any one of the first aspect, consequently based on above-mentioned sealing device 100's whole beneficial effect. Wherein, the top cover 12 of the middle sealing device 100 of the present invention is the supporting member 14 of the top wall sealing device 100 of the cab, which is the hollow cylinder structure of the side wall of the cab, and the drainage box 16 is located inside the cab.
In the actual use process, the through hole structure of the top wall of the cab is sealed by the sealing gasket 18 and the first sealing glue to form a first heavy seal, so that rainwater is prevented from entering the cab; the side part of the cab is sealed by a sealing plug 24 and a second sealant to form a second reseal, so that rainwater is prevented from entering the cab; the inside of driver's cabin sets up drainage box 16, and drainage box 16 is linked together with the inside water conservancy diversion passageway of support component 14, and the inside rainwater of partial infiltration water conservancy diversion drainage box 16 flows to the water conservancy diversion passageway and discharges under the guide effect of water conservancy diversion passageway, forms the third and seals, avoids the rainwater to get into inside the driver's cabin.
In the specific embodiment, the sealing pressing block 20, the rubber wire passing plug and the rubber sealing gasket are used for preventing rainwater leakage; for rainwater that has penetrated into the cab, it is guided into the support member 14 through the drain box 16 and flows out of the cab. The utility model provides a cab is the multichannel sealing scheme of crossing the line setting, and specific sealing scheme used repeatedly many times.
The utility model provides a technical scheme can prevent the rainwater to dip the sealed end cap 24 of the inside rubber of driver's cabin and sealed glue, the sealed pad of rubber and the 20 schemes of sealed briquetting, and carry out the order of the drainage box 16 structure scheme of water conservancy diversion with the rainwater to the infiltration driver's cabin, require to carry out the order according to the driver's cabin structure and reverse the sequencing. The diversion is firstly carried out to ensure that most rainwater cannot flow to the first wire passing hole and the second wire passing hole, and then the first wire passing hole and the second wire passing hole are sealed.
The following explains a specific principle of the present solution with reference to fig. 5 to 11:
the wiring harness 26 is arranged: as shown in fig. 5 to 9, the wiring harness 26 is passed through the drain box 16 from the second wire passing hole of the drain box 16, and then passed out of the through hole structure of the top cover 12 to the outside of the cab.
Sealing of the outside of the top cover 12: as shown in fig. 5 to 9, the wiring harness 26 outside the top cover 12 is passed through the rubber packing, the wiring harness 26 is clamped by the sealing pressing block 20, the sealing pressing block 20 is pressed against the rubber packing by the bolt and then assembled on the top cover 12, and the first sealing is performed by the pressed rubber packing. Before the sealing pressing block 20 is fixed by the bolts, sealant is firstly injected around the through hole structure of the top cover 12, then the sealing pressing block 20 and the sealing rubber pad are screwed on the top cover 12 by the bolts, and the sealant between the top cover 12 and the sealing pad 18 is sealed for the second time.
Sealing inside the top cover 12: as shown in fig. 10 and 11, a rubber wire passing plug is assembled on the wiring harness 26 outside the drainage box 16 in the top cover 12, and the rubber wire passing plug is in interference fit with the drainage box 16 to realize the third sealing. And sealing glue is applied to the matching part of the drainage box 16 and the rubber threading plug to realize the fourth sealing.
Draining rainwater permeating into the cab: as shown in fig. 8 to 11, the rainwater penetrating into the cab from the through-hole structure of the roof 12 first falls into the drain box 16 in its entirety. The drainage box 16 has a water guiding structure (as shown in fig. 7 and 8, the bottom wall of the drainage box 16 is inclined, rainwater flows downwards under the action of gravity), so that the immersed rainwater is guided into the drainage holes on the supporting member 14, and then the rainwater is guided from the top of the cab to the bottom of the cab and is drained out of the cab through the supporting member 14, thereby realizing the fourth sealing.
To sum up, through used repeatedly the utility model discloses carry out many times and seal, effectively prevent in the rainwater inflow driver's cabin, and can lead the driver's cabin to the rainwater in the infiltration driver's cabin outside through drainage box 16, further promote the waterproof sealing nature of whole driver's cabin.
The utility model provides a technical scheme has following advantage: the sealing scheme (rubber threading blanking cover and rubber pad) of the threading at the top of the conventional cab is fully exerted, and the structural form of the cab of the original engineering machinery is kept as much as possible; on the basis of the existing sealing scheme, the drainage of rainwater permeating into the interior of the cab to the outside of the cab is creatively provided, so that the sealing performance of the whole cab is ensured; the utility model provides a waterproof sealing scheme can used repeatedly many times at specific application, or selects some combination to use, satisfies the waterproof requirement at different positions of driver's cabin, different sealed grades.
The utility model discloses the third aspect provides a vehicle, include: a cab according to the second aspect of the present invention; or any of the above-described sealing devices 100.
The utility model discloses vehicle that third aspect provided, because of including as the utility model discloses the driver's cabin of second aspect. Therefore, all the advantages of the sealing device 100 are provided, and are not stated herein.
Specifically, the vehicle further comprises a vehicle body, a cab is arranged at the head of the vehicle body, and the sealing device 100 is located at the top of the cab to seal the top of the cab and prevent water from entering the interior of the cab.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A seal assembly, comprising:
the top cover is provided with a through hole structure;
the drainage box is arranged below the top cover and is opposite to the through hole structure, the bottom of the drainage box is communicated to the flow guide channel, and liquid in the drainage box can be discharged through the flow guide channel.
2. The sealing device of claim 1, further comprising:
and the supporting component is connected with the top cover and positioned below the top cover, and the flow guide channel is formed in the supporting component.
3. The sealing device of claim 2,
the drainage box is internally provided with a cavity structure, the cavity structure is positioned below the through hole structure, the side wall of the supporting component is provided with a drainage hole, and the cavity structure is communicated with the flow guide channel through the drainage hole.
4. The sealing device of claim 3,
the through hole structure is a first wire passing hole, a second wire passing hole is formed in the side wall of the drainage box, and the wiring harness penetrates through the first wire passing hole and the second wire passing hole.
5. The sealing device of claim 4,
the second wire passing hole is positioned on one side of the drainage box far away from the drainage hole, and the bottom wall of the drainage box is gradually reduced from the second wire passing hole to the drainage hole.
6. The sealing device of claim 4, further comprising:
the sealing gasket is arranged at the through hole structure, and the wire harness penetrates through the sealing gasket;
the sealing pressing block is screwed up on the top cover through a fastener, and the sealing gasket is located between the sealing pressing block and the top cover.
7. The sealing device of claim 6, further comprising:
the first sealant is arranged at the through hole structure and is positioned between the sealing gasket and the top cover.
8. The sealing device of any one of claims 4 to 7, further comprising:
the sealing plug is arranged at the second wire passing hole, and the wire harness penetrates through the sealing plug;
and the second sealant is arranged at the second wire passing hole and is positioned between the sealing plug and the drainage box.
9. A cab, comprising:
the sealing device of any one of claims 1 to 8;
the top cover of the sealing device is the top wall of the cab, the supporting component of the sealing device is positioned on the side wall of the cab, the drainage box is positioned in the cab, and liquid entering the drainage box is discharged through the flow guide channel.
10. A vehicle, characterized by comprising:
a cab as claimed in claim 9; or
A sealing device as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855446.7U CN210734300U (en) | 2019-10-31 | 2019-10-31 | Sealing device, cab and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855446.7U CN210734300U (en) | 2019-10-31 | 2019-10-31 | Sealing device, cab and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210734300U true CN210734300U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921855446.7U Active CN210734300U (en) | 2019-10-31 | 2019-10-31 | Sealing device, cab and vehicle |
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| Country | Link |
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| CN (1) | CN210734300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626431A (en) * | 2019-10-31 | 2019-12-31 | 三一汽车制造有限公司 | Sealing device, cab and vehicle |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626431A (en) * | 2019-10-31 | 2019-12-31 | 三一汽车制造有限公司 | Sealing device, cab and vehicle |
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