GB2379704A - Vehicle door assembly - Google Patents
Vehicle door assembly Download PDFInfo
- Publication number
- GB2379704A GB2379704A GB0121931A GB0121931A GB2379704A GB 2379704 A GB2379704 A GB 2379704A GB 0121931 A GB0121931 A GB 0121931A GB 0121931 A GB0121931 A GB 0121931A GB 2379704 A GB2379704 A GB 2379704A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carrier plate
- sealing sheet
- door
- sealing
- sheet
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0412—Lower door structure
- B60J5/0416—Assembly panels to be installed in doors as a module with components, e.g. lock or window lifter, attached thereto
Abstract
The vehicle door assembly comprises an inner skin 12, a carrier plate 14 for mounting the vehicle door components and a sealing sheet 18, with the inner skin including an aperture 16 and having a sealing region 22 and the carrier plate having a second sealing region 21 which corresponds to the first sealing region. The sealing sheet provides a seal between the first and second sealing regions with the sheet substantially covering the aperture. The contacting surface of the sealing sheet may be in contact with a contacting surface of the carrier plate with substantially the entire contacting surfaces adhered together. The first sealing edge may be adjacent an edge of the aperture and the carrier plate may include a hole, with the sealing sheet acting as a seal for the hole. The door assembly may include a vehicle door component mounted on the carrier plate and the sealing sheet may act as a seal between the vehicle door component and the carrier plate. The sealing sheet may include a pre-cut hole which is sealed by the door component and the carrier plate may include an opening which corresponds to the pre-cut hole, with the opening being sealed by a door component. The sealing sheet may act as a sound insulator, a sound deadener and/or a thermal insulator and may be formed from a foam material. Also claimed is a method of assembling a door.
Description
<Desc/Clms Page number 1>
Door Assembly
The present invention relates to door assemblies, in particular to vehicle door assemblies including door modules.
Vehicle door assemblies are generally manufactured by welding an inner skin to an outer skin. This provides the structure of a vehicle door with the upper section of the vehicle door comprising an aperture in which the window glass is housed, and the lower section of the door being used to house door components, such as window regulator motors and mechanisms. The area between the inner skin and the outer skin defines a void of the door.
Instead of mounting door components to the inner skin, it is increasingly known to mount door components onto a door module, and mount the door module itself onto the inner skin. This allows pre assembly of door components onto the door module remote from a vehicle production line.
It is difficult to form a waterproof seal between the window glass and the outer skin, and thus water running down the window glass can enter the void between the outer skin and the door module. This is a problem since water enter the vehicle through the door module. Thus it is necessary to provide a waterproof seal between the outer skin and the door module, thus defining a dry side of the door, inboard of the waterproof seal, in which water cannot penetrate, and a wet side of the door, outboard of the waterproof seal.
Known vehicle door assemblies include door modules which have an elongate seal located around the periphery of the door module, thus forming a waterproof seal between the door module and the inner skin. This has the disadvantage that the seal can be misplaced prior to assembly of the door module onto the inner skin.
This can be partly overcome by better preparation of door module surfaces prior to sealing, but this still does not eliminate the problem of the seal becoming misaligned from the door module, and results in additional cost.
<Desc/Clms Page number 2>
An object of the present invention is to provide a door assembly in which there is less likelihood of the seal between the door module and the inner skin becoming misaligned.
Thus, according to the present invention there is provided a door assembly including an inner skin, a carrier plate for the mounting of vehicle door components, and a sealing sheet, the inner skin including an aperture, the inner skin having a first sealing region, the carrier plate having a second sealing region which corresponds to the first sealing region, the sealing sheet providing a seal between the first and second sealing regions, in which the sealing sheet substantially covers the aperture.
According to a further aspect of the present invention there is provided a method of assembling a door including the steps of providing an inner skin having a first sealing region and an aperture, providing a carrier plate having a second sealing region, providing a sealing sheet between the carrier plate and the inner skin such that the sealing sheet substantially covers the aperture, fixing the carrier plate to the inner skin such that the sealing sheet provides a seal between the first and second sealing regions.
According to a further aspect of the present invention there is provided a method of assembling a door including the steps of providing a steel sheet, providing an inner skin having a first sealing region, providing a sealing sheet, providing press tooling then positioning the sealing sheet and steel sheet next to the press tooling, stamping the steel sheet and sealing sheet with the press tooling to produce a carrier plate having a second sealing region, then fixing the carrier plate to the inner skin such that the sealing sheet provides a seal between the first and second sealing regions.
The invention will now be described, by way of example only, with reference to the accompanying drawings, in which, Figure I is a perspective view of a door assembly according to the present invenion, Figure 2 is a cross sectional end view of a door assembly according to the present invention,
<Desc/Clms Page number 3>
Figure 3 is a front view of the carrier plate of figure 1,
Figure 4 is a front view of the carrier plate of figure 1,
Figure 5 is a schematic cross sectional end view of part of figure 4 when installed in the door assembly of figure 1, Figure 6 is a schematic cross sectional end view of part of figure 3 when installed in the door assembly of figure 1, Figure 7 is a schematic cross sectional end view of part of figure 3 when installed in the door assembly of figure 1, Figure 8 is a schematic cross sectional end view of part of figure 3 when installed in the door assembly of figure 1, With reference to Figures 1 and 2 there is shown a door assembly 10.
The door assembly includes an inner skin 12, an outer skin 17, a carrier plate 14 and a sealing sheet 18.
Typically the inner and outer skins are pressed sheet metal components. The outer skin is joined to the inner skin around its periphery using a suitable fixing technique such as hemming.
The space between the outer skin and the inner skin defines a void 19 of the door, into which water can enter via a window glass 11. The void is therefore on a wet side W of the door.
The inner skin includes an aperture 16, with an edge 16A. The inner skin has a first sealing region 22 which is located adjacent to the edge 16A.
<Desc/Clms Page number 4>
The carrier plate is fixed to the inner skin, and is used to house door components. For simplicity, and to show the general concept of the present invention, Figures I and 2 do not show the detail of the carrier plate, in particular door components and openings to house such door components are not shown. This detail is shown in Figures 3 and 4 (described further below). However it can be seen that the carrier plate is substantially planar.
The carrier plate has a second sealing region 21 which corresponds to the first sealing
region of the inner skin. z : l The sealing sheet 18 is positioned between the inner skin and the carrier plate, such that it creates a seal between the first and second sealing regions, and therefore defining a dry side D of the door.
The sealing sheet has a contacting surface 13 and the carrier plate has a contacting surface 15 with the contacting surfaces being adhered to each other over the entire area of the contacting surfaces.
In other embodiments the contacting surfaces need not adhere over the entire area, although it should be noted that to reduce the possibility of the sealing sheet becoming misaligned from the carrier plate it is preferable to maximise the contacting surfaces adherence area.
It should also be noted that the sealing sheet has a greater surface area than the aperture.
The sealing sheet can have a surface area smaller or greater or the same as that of the carrier plate. In particular embodiments the carrier plate may overhang the sealing sheet providing that the sealing sheet encompasses the first and second sealing regions. Alternatively the sealing sheet may overhang the carrier plate, the sealing sheet encompassing the first and second sealing regions.
Hence the sealing sheet acts as a watertight barrier between the wet and dry sides of the door by preventing water from entering the dry side of the door via the aperture.
<Desc/Clms Page number 5>
The sealing sheet is typically made of an elastomeric material, such as foam.
With reference to Figures 3 and 4 there is shown the carrier plate of Figures 1 and 2, and typical door components which are mounted on the carrier plate.
The door components include a speaker 32, a door latch 34, a window regulator motor 36, a window regulator drum 37, window rails 38, a latch cable 39 and a window regulator cable 35.
It should be noted that this list is not exhaustive, with the carrier plate able to receive additional and/or alternative door components.
With reference to Figure 4 there is shown the carrier plate of Figure 3 without the door components. It can be seen from Figure 4 that the carrier plate includes various openings.
Some of these openings correspond to the door components of Figure 3.
The openings in the carrier plate include a speaker opening 42, a door latch opening 44, a window regulator opening 46, a window regulator drum opening 47 a window rail mounting opening 48, a latch cable mounting opening 49, and a window regulator cable mounting opening 45.
It can be seen from Figure 4 that the carrier plate includes a considerable number of openings to accommodate the various door components in addition to openings which do not house door components. For example, the carrier plate includes fixing points 30 for fixing the carrier plate to the inner skin, and associated fixing openings 40 through which fixing screws pass.
The carrier plate may also include other openings (not shown), which have no associated vehicle door component, but which allow access to other vehicle door components.
The function of the door component often determines which side of the carrier plate it is to be located, with some components needing to be mounted on the wet side, for example, the window rail, and some on the dry side, for example, in this case, the window regulator
<Desc/Clms Page number 6>
motor. It should be noted that window regulators are often sealed components, and can therefore be located on the wet or dry side of the door.
The carrier plate is typically produced by a pressing process, with the openings being stamped as part of this pressing process. It is often not economical to produce different carrier plates depending on the particular door components to be housed in the carrier plate, and hence the carrier plate must include openings for all optional door components.
Consequently, a carrier plate that does not include such an optional door component requires the opening to be blanked off, so as to prevent water passing from the wet side of the door to the dry side.
The embodiments of Figures 5 to 8 are examples of the location of different door components in the door assembly, and how sealing between the wet and dry sides of the door assembly is achieved.
With reference to Figure 5, there is shown a sectional end view (A-A) of the door assembly 10.
The carrier plate 14 includes an opening 51, the opening allowing access to other door components (not shown).
It can be seen from Figure 5 that there is no corresponding hole in the sealing sheet, with the sealing sheet 18 acting as a seal for the hole. Hence the sealing sheet acts as a watertight barrier between the wet and dry sides of the door by blanking off hole 51 and thus preventing water from entering the dry side of the door via the aperture 16 and the hole 51.
With reference to Figure 6, there is shown a sectional end view (B-B) of the door assembly 10.
The door assembly includes a door component, in the form of a window rail 38, with the window rail mounted on the carrier plate (via a nut and bolt) on the wet side of the door. A
<Desc/Clms Page number 7>
window rail mounting aperture 48 is required to facilitate the assembly of the window rail onto the carrier plate.
It can be seen that the sealing sheet acts as a seal between the window rail and the carrier plate, thus preventing water passing from the wet side to the dry side of the door via the aperture 48.
With reference to Figure 7, there is shown a sectional end view (C-C) of the door assembly 10.
The sealing sheet includes a hole in the form of a speaker hole 62 which corresponds to the carrier plate speaker opening 42. The sealing sheet speaker hole 62 has been pre-cut such that it corresponds to the carrier plate speaker opening 42.
The door assembly includes a door component, in the form of a speaker 32, with the speaker mounted on the carrier plate on the wet side of the door. The speaker protrudes through the sealing sheet speaker hole 62 and the carrier plate speaker opening 42.
The sealing sheet speaker hole 62 is sealed by the speaker in combination with the sealing sheet. The speaker seals against the sealing sheet at region 63, thus preventing water passing from the wet side to the dry side via the opening 42 and the hole 62.
The speaker could additionally include waterproof protection means to protect it from water on the wet side of the door.
With reference to Figure 8, there is shown a sectional end view (D-D) of the door assembly 10.
The door assembly includes a door component, in the form of a window regulator motor 36, with the window regulator motor mounted on the carrier plate on the dry side of the door.
<Desc/Clms Page number 8>
The window regulator motor mounting opening is sealed by the window regulator motor against the carrier plate at region 65, thus preventing water from passing from the wet side to the dry side of the door via the opening 46 and the hole 66.
This contrasts to the arrangement of Figure 7, where the door component seals against the sealing sheet.
The sealing sheet acts as a thermal insulator between the void, which is potentially cold/hot depending on conditions outside the vehicle door, and the dry side of the door, and hence inside the associated vehicle.
Similarly the sealing sheet acts as both a sound insulator, and a sound deadener.
As an alternative to the pre-cut holes in the sealing sheet, holes may also be formed in the sealing sheet as the door components are mounted on the carrier plate by piercing the sealing sheet with the door component. This would be more suited to small door components, and in particular fixing means such as screws.
One method of assembling the door assembly is as follows: Firstly a suitable adhesive is applied to the sealing sheet. Alternatively the adhesive may be applied to the carrier plate.
The sealing sheet is then brought into contact with the carrier plate such that the sealing sheet and carrier plate adhere to each other.
A suitable time is required before the adhesive cures, or in the case of certain adhesives which cure with temperature, heat can be applied.
It should be noted that the sealing sheet and the carrier plate must be in contact before the adhesive cures, either with or without the application of heat.
<Desc/Clms Page number 9>
To further ensure contact between the carrier plate and the sealing sheet, the sealing sheet can be vacuum formed to the carrier plate. The vacuum forming process can be employed either with heat, for temperature dependent adhesives, or without heat.
Once the sealing sheet is adhered to the carrier plate, the carrier plate can be fixed to the inner skin.
The carrier plate is positioned next to the inner skin, and a first fixing means, in the form of piercing screws, is used to pierce the sealing sheet and fix the carrier plate to the inner skin at several positions, thus providing a seal between the first and second sealing regions.
Door components can then be fixed to the carrier plate using a second fixing means, such as piercing screws, with the piercing screws piercing the sealing sheet prior to fixing the door component to the carrier plate.
It should be noted that the door components can be fixed to the carrier plate either before or after the carrier plate is fixed to the inner skin. For example, door components which are to be located on the wet side of the door would typically be assembled onto the carrier plate before fixing the carrier plate to the inner skin. For door components which are located on the dry side of the door, access is less restricted and hence may be assembled onto the carrier plate either before or after fixing the carrier plate to the inner skin.
Holes in the sealing sheet could also be formed as part of the pressing process used to produce the carrier plate holes, one method of which is as follows: Firstly a steel blank sheet is positioned over a pressing tool. The pressing tool is configured to represent the carrier plate holes and also its form.
A suitable adhesive is then applied to either the carrier plate or the sealing sheet before positioning the sealing sheet next to the steel blank.
<Desc/Clms Page number 10>
Additionally, as described previously, heat and/or a vacuum forming process may be used to adhere the carrier plate to the sealing sheet.
The holes are then stamped in the carrier plate and the sealing sheet by the pressing tool to form the carrier plate. The pressing process may be a single stamping process, or multi-stamping process depending on the complexity of the carrier plate and/or the forming properties of the steel sheet used.
The carrier plate can then be fixed to the inner skin in the same manner as described above.
Similarly ; door components can be assembled onto the carrier plate either before or after the carrier plate is fixed to the inner skin.
Claims (21)
- Claims 1. A door assembly including an inner skin, a carrier plate for the mounting of vehicle door components, and a sealing sheet, the inner skin including an aperture, the inner skin having a first sealing region, the carrier plate having a second sealing region which corresponds to the first sealing region, the sealing sheet providing a seal between the first and second sealing regions, in which the sealing sheet substantially covers the aperture.
- 2. A door assembly according to Claim 1 in which a contacting surface of the sealing sheet is in contact with a contacting surface of the carrier plate and substantially the entire contacting surfaces are adhered together.
- 3. A door assembly according to Claim I or Claim 2 in which the first sealing region is adjacent an edge of the aperture.
- 4. A door assembly according to any preceding claim in which the carrier plate includes a hole and the sealing sheet acts as a seal for the hole.
- 5. A door assembly according to any preceding claim in which the door assembly includes a vehicle door component mounted on the carrier plate and the sealing sheet acts as a seal between the vehicle door component and the carrier plate.
- 6. A door assembly according to Claim 5 in which the sealing sheet includes a pre-cut hole which is sealed by the door component.
- 7. A door assembly according to Claim 6 in which the carrier plate includes an opening corresponding to the pre-cut hole.
- 8. A door assembly according to Claim 7 in which the opening is sealed by the door component.<Desc/Clms Page number 12>
- 9. A door assembly according to any preceding claim in which the sealing sheet acts as a sound insulator.
- 10. A door assembly according to any preceding claim in which the sealing sheet acts as a sound deadener.
- 11. A door assembly according to any preceding claim in which the sealing sheet acts as a thermal insulator.
- 12. A door assembly according to any preceding claim in which the sealing sheet is a foam material.
- 13. A method of assembling a door including the steps of : providing an inner skin having a first sealing region and an aperture providing a carrier plate having a second sealing region providing a sealing sheet between the carrier plate and the inner skin such that the sealing sheet substantially covers the aperture fixing the carrier plate to the inner skin such that the sealing sheet provides a seal between the first and second sealing regions.
- 14. A method of assembling a door including the steps of : providing a steel sheet, providing an inner skin having a first sealing region, providing a sealing sheet, providing press tooling then positioning the sealing sheet and steel sheet next to the press tooling stamping the steel sheet and sealing sheet with the press tooling to produce a carrier plate having a second sealing region, then fixing the carrier plate to the inner skin such that the sealing sheet provides a seal between the first and second sealing regions.
- 15. A method of assembling a door according to claim 14 further including the steps of :-<Desc/Clms Page number 13>stamping the steel sheet and sealing sheet with the press tooling to produce a carrier plate and sealing sheet with holes.
- 16. A method of assembling a door according to claims 13 to 15 further including the steps of : applying a suitable adhesive to the sealing sheet and bringing the sealing sheet into contact with the carrier plate or the steel sheet such that the sealing sheet adheres to the carrier plate prior to fixing the carrier plate to the inner skin
- 17. A method of assembling a door according to Claims 13 to 15 further including the steps of : applying a suitable adhesive to the carrier plate bringing the sealing sheet into contact with the carrier plate or the steel sheet such that the sealing sheet adheres to the carrier plate prior to fixing the carrier plate to the inner skin
- 18. A method of assembling a door according to Claims 13 to 17 further including the steps of : bringing the sealing sheet into contact with the carrier plate or the steel sheet applying heat to the sealing sheet such that the sealing sheet adheres to the carrier plate or the steel sheet.
- 19. A method of assembling a door according to Claims 13 to 18 further including the step of : vacuum forming the sealing sheet such that the sealing sheet is in contact with the carrier plate or the steel sheet.
- 20. A method of assembling a door according to Claim 13 to 19 further including the step of : fixing the carrier plate to the inner skin using a first fixing means such that the first fixing means pierces the sealing sheet.<Desc/Clms Page number 14>
- 21. A method of assembling a door according to Claims 13 to 20 further including the step of : fixing a door component to the carrier plate using a second fixing means such that the second fixing means pierces the sealing sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0121931A GB2379704B (en) | 2001-09-12 | 2001-09-12 | Door assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0121931A GB2379704B (en) | 2001-09-12 | 2001-09-12 | Door assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0121931D0 GB0121931D0 (en) | 2001-10-31 |
GB2379704A true GB2379704A (en) | 2003-03-19 |
GB2379704B GB2379704B (en) | 2005-09-21 |
Family
ID=9921882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0121931A Expired - Fee Related GB2379704B (en) | 2001-09-12 | 2001-09-12 | Door assembly |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2379704B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2856356A1 (en) * | 2003-06-20 | 2004-12-24 | Peugeot Citroen Automobiles Sa | METHOD AND DEVICE FOR PRESSURIZING A SEALING SHEET ON A BODY ELEMENT |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02254019A (en) * | 1989-03-29 | 1990-10-12 | Yazaki Corp | Water-proof construction of automobile door |
FR2762262A1 (en) * | 1997-04-16 | 1998-10-23 | Rockwell Lvs | Vehicle door sealed inner module |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3510018A1 (en) * | 1984-06-30 | 1986-01-23 | Hilmar 5630 Remscheid Herrmann | Water protection lining for protecting vehicle body parts against moisture penetrating from outside into the passenger compartment |
ES283902Y (en) * | 1985-01-11 | 1987-03-16 | Disa Distribuciones Industriales, S.A. | PROTECTIVE DEVICE FOR CAR DOORS AND THE LIKE |
US4957803A (en) * | 1988-07-28 | 1990-09-18 | The Excello Specialty Company | Water deflector with wire harness seal |
US5482343A (en) * | 1994-07-25 | 1996-01-09 | The Excello Specialty Company | Vehicle door and water deflector |
-
2001
- 2001-09-12 GB GB0121931A patent/GB2379704B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02254019A (en) * | 1989-03-29 | 1990-10-12 | Yazaki Corp | Water-proof construction of automobile door |
FR2762262A1 (en) * | 1997-04-16 | 1998-10-23 | Rockwell Lvs | Vehicle door sealed inner module |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2856356A1 (en) * | 2003-06-20 | 2004-12-24 | Peugeot Citroen Automobiles Sa | METHOD AND DEVICE FOR PRESSURIZING A SEALING SHEET ON A BODY ELEMENT |
WO2004113106A1 (en) * | 2003-06-20 | 2004-12-29 | Peugeot Citroen Automobiles | Method and device for applying pressure to a water shield on a car body element |
Also Published As
Publication number | Publication date |
---|---|
GB0121931D0 (en) | 2001-10-31 |
GB2379704B (en) | 2005-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070912 |