JP2013256184A - Door hole seal structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door hole seal structure capable of preventing deformation of a door lining.SOLUTION: A hole cover member 40 is disposed between a front surface side of an inner panel 20 and a rear surface side of a door lining 30, and the door lining 30 is mounted to the inner panel 20. Accordingly, a front service hole of the inner panel 20 is sealably covered with a front cover part 41 of the hole cover member 40. In this mounting state, an upper lining part 44 and a lower lining part 45 integrally molded to the hole cover member 40 are brought into abutment with a rear surface of the peripheral part of the door lining 30 to prevent deformation of the door lining 30.

Description

  The present invention relates to a door hole seal structure that seals a service hole opened in an inner panel of a vehicle door.

  2. Description of the Related Art Conventionally known vehicle doors include a steel plate outer panel and an inner panel that are pressed and joined to each other, and a synthetic resin door lining that covers an inner panel on the vehicle interior side.

  An electric door mirror device and a door handle are attached to the outer panel of such a vehicle door, and an electric window regulator device, a door lock device, a speaker unit, etc. are provided in the space between the outer panel and the inner panel. And a harness as electrical wiring to these devices is routed.

  In this connection, the inner panel is provided with a service hole for performing maintenance work such as a window regulator device and a door lock device. This service hole is usually sealed with a waterproof film made of polyethylene or the like in order to prevent rainwater or dust that has entered between the outer panel and the inner panel from entering the passenger compartment. In this case, the waterproof film is stuck to the inner panel by a non-drying sealer so that it can be easily peeled off during maintenance work.

  Here, as a seal structure of a service hole that opens to an inner panel of a vehicle door, for example, a door hole seal structure described in Patent Documents 1 and 2 is known. The door hole seal structure described in Patent Document 1 covers and seals a service hole opened in a door inner panel with a service hole cover made of synthetic resin, and a plurality of through holes are provided around the service hole of the inner panel. A plurality of clips that are inserted into these through holes and locked are formed on the back side of the service hole cover.

  In the door hole seal structure described in Patent Document 2, a screen that covers an opening (service hole) of the inner panel is disposed between the door trim (door lining) and the inner panel.

JP 2011-168213 A Japanese Patent No. 4657636

  By the way, in the door hole seal structure described in Patent Document 1, when mounting the service hole cover on the inner panel, a plurality of clips formed on the service hole cover are respectively inserted into a plurality of through holes formed on the inner panel. The work is complicated. Also, if there is a difference in dimensional change between the metal inner panel and the synthetic resin service hole cover when there is a temperature change, each of the service hole cover will be inserted into each through hole of the inner panel. There is also a concern that the clip cannot be smoothly inserted.

  Here, in general, the door lining covering the inner panel includes a base material made of ABS resin or polypropylene resin, and the base material of the door lining may be deformed when subjected to an impact at a low temperature. In this regard, in the door hole seal structure described in Patent Document 1 or Patent Document 2, since no measures are taken to suppress the deformation of the door lining, the door lining may be deformed.

  The present invention has been made in view of the technical background as described above, and can easily seal a service hole opened in an inner panel of a vehicle door by a simple work process. It is an object to provide a door hole seal structure capable of suppressing deformation. Another object of the present invention is to make the structure for suppressing deformation of the door lining highly rigid and lightweight.

  The door hole seal structure of the present invention that solves the above-described problems is a service hole seal structure that opens to an inner panel of a vehicle door, and includes a back side of a door lining that covers the inner panel and a front side of the inner panel. A hole cover member disposed between and covering the service hole in a sealable manner, and the hole cover member is integrally formed with a protruding backing portion that abuts against the back surface of the door lining and suppresses deformation of the door lining. It is characterized by being.

  In the door hole seal structure according to the present invention, the contact portion formed integrally with the hole cover member abuts against the back surface of the door lining, so that deformation of the door lining is suppressed.

  In the door hole seal structure of the present invention, the backing portion of the hole cover member can be brought into contact with the back surface of the peripheral portion of the door lining. In this case, deformation of the peripheral portion of the door lining that is easily deformed by impact is suppressed by the backing portion.

  It is preferable that the base end side of the backing part is supported by a plate part excluding the service hole of the inner panel because the backing part can suppress deformation of the door lining.

  Here, when the stiffening stepped cross-section is formed in the peripheral part of the service hole of the inner panel, the base end side of the backing part is so that the backing part can suppress the deformation of the door lining. The inner panel is preferably supported by a stiffened stepped cross section.

  When the stiffening cross section having a cross-sectional shape along the stepped cross section of the inner panel is formed integrally with the hole cover member, the rigidity of the back section is determined when the backing section is disposed on the stiffening cross section. Is preferable.

  When a specific functional part is integrally formed on the back surface of the hole cover member facing the inner panel, the backing part is arranged on the front side of the hole cover member corresponding to the part where the specific functional part is formed. It is preferable because the rigidity of the backing portion is increased.

  Here, the backing portion can be formed into a columnar shape having a cross-sectional shape from which a plurality of ribs protrude as a rigid and lightweight shape.

  When the door lining has an opening portion of the door pocket, the hole cover member can be integrally formed with a door pocket constituting portion corresponding to the opening portion of the door pocket as a backing portion.

  According to the first aspect of the present invention, the deformation of the door lining can be suppressed because the backing portion formed integrally with the hole cover member abuts against the back surface of the door lining. Can be suppressed.

  According to the invention described in claim 2, since the backing portion of the hole cover member abuts against the back surface of the peripheral portion of the door lining, deformation of the peripheral portion of the door lining that is easily deformed by an impact is suppressed by the backing portion. be able to.

  According to the invention described in claim 3, since the base end side of the backing portion is in contact with the plate portion excluding the service hole of the inner panel, the backing portion can suppress deformation of the door lining. .

  According to the fourth aspect of the present invention, the stepped cross-sectional portion for stiffening is formed on the peripheral portion of the service hole of the inner panel, and the base end side of the backing portion is the stiffened step of the inner panel. Since the abutting portion is in contact with the cross section, the backing portion can suppress the deformation of the door lining.

  According to the fifth aspect of the present invention, the stiffening cross section having a cross-sectional shape along the stepped cross section of the inner panel is formed integrally with the hole cover member, and the backing portion is formed on the stiffening cross section. Since it is arrange | positioned, the rigidity of a backing part can be improved.

  According to the invention described in claim 6, the specific function part is integrally formed on the back surface of the hole cover member facing the inner panel, and the hole cover member corresponding to the part where the specific function part is formed Since the backing portion is arranged on the surface side of the, the rigidity of the backing portion can be increased.

  According to the invention described in claim 7, since the backing portion is formed in a columnar shape having a cross-sectional shape from which a plurality of ribs protrude, the rigidity of the backing portion can be increased, and the backing portion Can be reduced in weight.

  According to the invention described in claim 8, the door lining has an opening portion of the door pocket, and the door pocket constituting portion corresponding to the opening portion of the door pocket is integrally formed on the hole cover member as a backing portion. Therefore, deformation near the door pocket opening of the door lining can be suppressed, and deformation near the door pocket opening can be suppressed.

1 is an exploded perspective view of a vehicle door showing an embodiment of a door hole seal structure according to the present invention. It is a disassembled sectional view of the door for vehicles showing the door hole seal structure of one embodiment. It is sectional drawing of the door for vehicles which shows the door hole seal structure of one Embodiment. FIG. 4 is a partially enlarged cross-sectional view of the vehicle door showing a state in which the latch member of the wearing tool shown in FIG. It is a disassembled perspective view of the component of the mounting tool shown in FIG. FIG. 6 is a Z arrow view of FIG. 5 showing a structure of a latch member of the wearing tool shown in FIG. 5. It is sectional drawing which follows the AA line of FIG. It is sectional drawing which follows the BB line of FIG. FIG. 5 is a partially enlarged cross-sectional view of the vehicle door showing a state in which the latch member of the wearing tool shown in FIG. It is a disassembled perspective view which shows the modification of the hole cover member shown in FIG. 1 with a door lining.

  Hereinafter, an embodiment of a door hole seal structure according to the present invention will be described with reference to the accompanying drawings. The door hole seal structure of one embodiment is a structure that seals a service hole that opens in the inner panel of the vehicle door 1.

  As shown in FIG. 1 and FIG. 2, the vehicle door 1 includes a steel plate outer panel 10 and an inner panel 20 that are pressed and joined to each other, and a synthetic resin door that covers the inner panel 20 on the vehicle interior side. And a lining 30.

  Here, although not shown, the outer panel 10 is provided with an electric door mirror device and a door outer handle. In addition, an electric window regulator device, a door lock device, a speaker unit, and the like are disposed in the space between the outer panel 10 and the inner panel 20, and a harness as an electrical wiring to these devices is routed. Has been.

  In this connection, the inner panel 20 has a front service hole 21 and a rear service hole 22 opened as service holes for performing maintenance work such as a window regulator device, a door lock device, and a speaker unit. The inner panel 20 is formed with a plurality of clip holes 23 for detachably mounting the door lining 30 with clips.

  The door lining 30 includes a base material made of ABS resin or polypropylene resin, which is injection-molded into a vertical cross-sectional shape as shown in FIG. 2, for example. As shown in FIG. 1, a door armrest 32 having a switch box mounting portion 31 is disposed in a vertical intermediate portion on the surface side facing the vehicle interior of the door lining 30, and a door pocket 33 is opened below the door armrest 32. doing. A door speaker grille 34 is disposed at the front lower part of the door lining 30, and a door inner handle mounting part 35 is disposed at the front upper part.

  Here, as shown in FIG. 1 to FIG. 3, the door hole seal structure according to an embodiment has a door lining 30 as a member that seals the front service hole 21 and the rear service hole 22 opened in the inner panel 20. A hole cover member 40 disposed between the rear surface side and the front surface side of the inner panel 20, a mounting tool 50 for detachably mounting the hole cover member 40 to the inner panel 20, the front service hole 21 and the rear portion And an elastic seal member 60 for sealing the periphery of the service hole 22.

  The hole cover member 40 is formed by injection molding a synthetic resin material such as ABS resin or polypropylene resin, and has a size that is slightly smaller than the door lining 30. In this hole cover member 40, a trapezoidal front cover part 41 protruding to the back side so as to enter the front service hole 21 of the inner panel 20 and a rear service hole 22 of the inner panel 20 are entered. A trapezoidal rear cover portion 42 protruding to the back side is integrally formed. And between the front cover part 41 and the rear cover part 42, the pillar part 43 which protrudes to the surface side of the hole cover member 40 is shape | molded.

  The hole cover member 40 formed into an uneven cross-sectional shape having the front cover part 41, the rear cover part 42, and the pillar part 43 is provided from a speaker unit (not shown) mounted on the vehicle door 1. It has sufficient rigidity not to resonate with speaker sound.

  The mounting tool 50 has a function of detachably mounting the hole cover member 40 to the inner panel 20 so that the hole cover member 40 covers the front service hole 21 and the rear service hole 22 of the inner panel 20. The mounting device 50 is disposed on the back side of the hole cover member 40, and is detachably attached to the peripheral portions of the front service hole 21 and the rear service hole 22 when the hole cover member 40 is pressed against the inner panel 20. It is comprised so that it may engage with.

  As shown in FIGS. 4 and 5, the mounting tool 50 is pivotable to a pair of support pieces 51, 51 that are integrally formed on the back surface side of the hole cover member 40 and project, and to the pair of support pieces 51, 51. And a latch member 52 made of synthetic resin supported by the plate and an elastic holding member 53 made of a leaf spring for holding the rotation position of the latch member 52 at the mounting release position or the mounting position.

  The pair of support pieces 51, 51 has a side surface shape having a high mountain shape, and a first locking portion 51A having high rigidity for connecting the pair of support pieces 51, 51 is integrally formed on one side of the base end portion. It is molded into. The first locking portion 51A has, for example, a U-shaped cross-sectional shape that opens outward.

  A pair of support holes 51B and 51B in which a pair of pivot shafts 52A and 52A of the latch member 52 are rotatably fitted to the distal ends of the pair of support pieces 51 and 51, and a pivot shaft in the support holes 51B and 51B. A pair of guide grooves 51C and 51C for guiding and fitting 52A and 52A are formed. Pivot shafts 52A, 52A are easy to engage with support holes 51B, 51B and difficult to detach, so as shown in FIG. 6, inclined surfaces 52G, 52G. The inclined surfaces 52G and 52G have shapes that approach each other as they go downward in FIG. As shown in FIG. 5, when the pivot shaft 52A is to be fitted into the support holes 51B and 51B along the guide grooves 51C and 51C, the pivot shafts 52A and 52A are assembled by attaching the inclined surfaces 52G and 52G to the front side. It becomes easy to engage with the guide grooves 51C and 51C.

  The latch member 52 has a hook-shaped pressure receiving portion 52C (only one is shown) at one end of each of the side wall portions 52B and 52B from which a pair of pivot shafts 52A and 52A protrude outward, and the side wall portions 52B and 52B. The other end portions of the two are connected to each other to form a pressing and clamping portion 52D.

  The latch member 52 is integrally formed with a pin-shaped second locking portion 52E having high rigidity for connecting the inner surfaces of the side wall portions 52B and 52B. The center portion of the pin-shaped second locking portion 52E is connected to the pressing and holding portion 52D via the reinforcing rib 52F (see FIGS. 6 to 8).

  The elastic holding member 53 made of a leaf spring is bent in a mountain shape at an intermediate portion between one end and the other end, and a first engagement portion 53A wound in a roll shape is formed at one end. At the other end, second engaging portions 53B and 53B that are bent in a loop shape are formed on both sides of the cut portion 53C.

  In the elastic holding member 53, the first engaging portion 53A at one end is locked to the first locking portion 51A having high rigidity that connects the pair of support pieces 51, 51, and the side wall portions 52B, The second engagement portions 53B and 53B at the other end are locked to the second locking portion 52E having high rigidity that connects the portions 52B.

  In the mounting device 50 having such a structure, in a free state as shown in FIG. 9, a latch member 52 that is rotatable about pivot shafts 52A and 52A is held at the mounting release position. The pressure receiving portion 52C at one end can face the surface side of the peripheral portion of the front service hole 21 of the inner panel 20.

  The mounting tool 50 is such that the hole cover member 40 is pressed toward the inner panel 20 in the direction indicated by the arrow in FIG. The latch member 52 is rotated from the mounting release position shown in FIG. 9 to the mounting position shown in FIG. 4 by engaging with the surface of the peripheral edge portion 21 (rear service hole 22).

  In such a mounting position of the latch member 52, the pressing and clamping portion 52D at the other end of the latch member 52 presses the peripheral portion of the front service hole 21 (rear service hole 22) from the back side toward the hole cover member 40. To do. Thus, the peripheral portion of the front service hole 21 (rear service hole 22) is sandwiched between the pressing and clamping portion 52D of the latch member 52 and the hole cover member 40 via the elastic seal member 60. As can be seen from FIG. 4, the latch member 52 and the support piece 51 are provided in the front service hole 21 (and the rear service hole 22) in order to allow the hole cover member 40 to be assembled to the inner panel 20. On the other hand, it is arranged in a position that has some play.

  The elastic seal member 60 is made of, for example, synthetic rubber, and is sandwiched between the back surface of the hole cover member 40 and the front surface of the inner panel 20, thereby surrounding the front service hole 21 (rear service hole 22). Is sealed in a watertight state.

  As shown in FIGS. 2 and 3, the elastic seal member 60 is annularly attached along the periphery of the front cover portion 41 on the back surface side of the hole cover member 40. Although not shown, the elastic seal member 60 that seals the periphery of the rear service hole 22 is similarly attached in a ring shape along the periphery of the rear cover portion 42 on the back surface side of the hole cover member 40.

  Here, as shown in FIG. 9, the elastic seal member 60 is affixed to a portion outside the rotation region of the pressure receiving portion 52 </ b> C of the latch member 52 that constitutes the mounting tool 50. For this reason, the latch member 52 can be smoothly rotated between the mounting release position and the mounting position.

  Further, in the mounting release position of the latch member 52 shown in FIG. For this reason, when the hole cover member 40 is pressed against the inner panel 20, the pressure receiving portion 52 </ b> C comes into contact with the inner panel 20 and starts rotating before the elastic seal member 60 comes into contact with the inner panel 20. Therefore, the latch member 52 can be started to rotate with a light pressing force, and the hole cover member 40 can be easily attached.

  Here, as a means for suppressing the deformation of the door lining 30, as shown in FIGS. 1 to 3, the hole cover member 40 has an upper backing that is in contact with the rear surface of the upper peripheral portion of the door lining 30 on the front surface side. The portions 44 and 44 and the lower backing portions 45 and 45 that are in contact with the back surface of the lower peripheral portion of the door lining 30 are integrally formed.

  The upper backing portions 44, 44 are arranged at a predetermined longitudinal interval above the hole cover member 40 so as to suppress deformation of the upper periphery of the door lining 30 as a whole. On the other hand, the lower backing portions 45, 45 are arranged at a predetermined interval in the lower portion of the hole cover member 40 so as to suppress deformation of the lower periphery of the door lining 30 as a whole.

  The upper backing portions 44 and 44 and the lower backing portions 45 and 45 are formed in, for example, a column shape having a cross-sectional shape in which four ribs protrude in a cross shape. For this reason, the upper backing portions 44 and 44 and the lower backing portions 45 and 45 are lightweight and have high rigidity.

  Here, as shown in FIG. 2 and FIG. 3, the inner panel 20 has a stepped section 24 for stiffening formed in the periphery of the front service hole 21 (rear service hole 22). The cover member 40 is integrally formed with a stiffening cross-section 46 having a cross-sectional shape along the stepped cross-section 24 of the inner panel 20 at the periphery thereof.

  Support pieces 51, 51 constituting the mounting tool 50 are integrally formed as specific functional parts on the back surface of the stiffening cross section 46 of the hole cover member 40, and the support pieces 51, 51 formed with the support pieces 51, 51 are formed. The upper backing portions 44 and 44 and the lower backing portions 45 and 45 described above are formed on the surface side of the rigid section 46. The proximal end portions of the upper backing portions 44 and 44 and the proximal end portions of the lower backing portions 45 and 45 are stiffened cross-sectional portions of the hole cover member 40 in a state where the hole cover member 40 is mounted on the inner panel 20. 46 is supported by the step-like cross-sectional portion 24 of the inner panel 20 through 46. For this reason, the upper backing portions 44 and 44 and the lower backing portions 45 and 45 can suppress deformation of the door lining 30 with high rigidity.

  That is, the base end portions of the upper backing portions 44, 44 and the base end portions of the lower backing portions 45, 45 are connected to the front service hole 21 of the inner panel 20 through the stiffening cross section 46 of the hole cover member 40 ( It is supported by the plate part excluding the rear service hole 22).

  Then, the effect is demonstrated about the door hole seal structure comprised as one Embodiment of this invention. In the door hole seal structure according to the embodiment, when the door lining 30 is mounted on the inner panel 20 of the vehicle door 1, first, a hole is formed using a plurality of mounting tools 50 arranged on the back side of the hole cover member 40. The cover member 40 is attached to the inner panel 20. Subsequently, the door lining 30 is attached to the inner panel 20 by inserting clips into the plurality of clip holes 23 of the inner panel 20.

  Here, in order to attach the hole cover member 40 to the inner panel 20, the front cover portion 41 and the rear cover portion 42 of the hole cover member 40 are made to face the front service hole 21 and the rear service hole 22 of the inner panel 20. In this state, the hole cover member 40 is pressed toward the inner panel 20.

  Through such a simple work process, each of the latch members 52 of the plurality of mounting devices 50 arranged on the back surface side of the hole cover member 40 has a pressure receiving portion 52C at one end of the front service hole 21 (rear portion of the inner panel 20). By engaging with the surface of the peripheral part of the service hole 22), the service hole 22) rotates from the mounting release position shown in FIG. 9 to the mounting position shown in FIG.

  At the mounting position of the latch member 52, the peripheral portion of the front service hole 21 (rear service hole 22) is interposed between the pressing and holding portion 52 </ b> D of the latch member 52 and the hole cover member 40 via the elastic seal member 60. It is pinched. As a result, the front service hole 21 and the rear service hole 22 of the inner panel 20 are blocked by the front cover part 41 and the rear cover part 42 of the hole cover member 40, and the front service hole 21 (rear service hole 22). Is sealed in a watertight state by the elastic seal member 60.

  Therefore, according to the door hole seal structure of one embodiment, the front service hole 21 and the rear service hole 22 of the inner panel 20 are brought into a watertight state by a simple work process of pressing the hole cover member 40 against the inner panel 20. Sealing can be performed, and rainwater and dust that have entered between the outer panel 10 and the inner panel 20 can be prevented from entering the vehicle interior.

  Here, in the door hole seal structure according to the embodiment, the pressing and clamping portion 52D of the latch member 52 clamps the peripheral portions of the front service hole 21 and the rear service hole 22 between the inner cover panel 40 and the inner cover panel. 20 is supported. That is, the latch member 52 does not have a structure that penetrates the peripheral portions of the front service hole 21 and the rear service hole 22, but passes through the front service hole 21 and the rear service hole 22 inside the peripheral portion and passes through the inner panel 20. Since the peripheral edge is sandwiched between the hole cover member 40 and the hole cover member 40, the hole cover member 40 extends along the surface of the inner panel 20. Can deviate somewhat. Therefore, even if a dimensional change occurs in the inner panel 20 and the hole cover member 40 due to a temperature change, the dimensional change can be absorbed.

  In the door hole seal structure according to the embodiment, the hole cover member 40 is formed by injection molding a synthetic resin material such as ABS resin or polypropylene resin, and the front cover portion 41, the rear cover portion 42, and the pillar portion 43 are provided. It is formed into a highly rigid cross-sectional shape with unevenness. For this reason, the hole cover member 40 does not resonate with a speaker sound or the like from a speaker unit (not shown) provided in the vehicle door 1 and can suppress the generation of noise.

  In the door hole seal structure according to the embodiment, the upper backing portions 44 and 44 are in contact with the back surface of the upper peripheral portion of the door lining 30, and the lower backing portion is in contact with the back surface of the lower peripheral portion of the door lining 30. 45 and 45 are formed integrally with the hole cover member 40, so that deformation of the upper periphery of the door lining 30 is suppressed by the upper backing portions 44, 44, and deformation of the lower periphery of the door lining 30 is prevented. It is suppressed by the lower backing portions 45, 45. Therefore, in the door hole seal structure of one embodiment, the deformation of the door lining 30 can be suppressed.

  In the door hole seal structure according to the embodiment, the hole cover member 40 including the mounting tool 50 is assembled to the inner panel 20 and then the door lining 30 is assembled to the inner panel 20. If the cover member 40 is configured to be assembled in advance to the door lining 30, a plurality of clip holes 23 formed in the inner panel 20 in order to attach the door lining 30 to the inner panel 20, and the clip holes 23 are attached. A plurality of clips on the door lining 30 side can be eliminated.

  Further, in the door hole seal structure of one embodiment, the cross-sectional shape of the upper backing portions 44, 44 and the lower backing portions 45, 45 formed in a columnar shape is a cross-sectional shape in which four ribs protrude in a cross shape. However, a cross-sectional shape in which three ribs protrude in a T-shape may be used, or a pipe-shaped cross-sectional shape may be used.

  Here, as shown in FIG. 10, a door pocket constituting portion 47 that functions as a backing portion of the door lining 30 can be integrally formed on the hole cover member 40. The door pocket constituting portion 47 is disposed at a position corresponding to the door pocket 33 of the door lining 30, and the front end abuts on the vicinity of the door pocket 33 of the door lining 30, whereby the door pocket 33 of the door lining 30. The deformation in the vicinity can be suppressed, and the deformation in the vicinity of the door pocket opening can be suppressed.

  Furthermore, the door hole seal structure of the present invention can be applied not only to passenger cars but also to buses, trucks, or various special vehicle doors.

DESCRIPTION OF SYMBOLS 10 Outer panel 20 Inner panel 21 Front service hole 22 Rear service hole 30 Door lining 40 Hole cover member 41 Front cover part 42 Rear cover part 43 Upper backing part 44 Lower backing part 50 Mounting tool 51 Support piece 51A 1st engagement Stop portion 52 Latch member 52C Pressure receiving portion 52D Press clamping portion 52E Second locking portion 53 Elastic holding member 53A First engagement portion 53B Second engagement portion 60 Elastic seal member

Claims (8)

A service hole seal structure that opens in an inner panel of a vehicle door,
A hole cover member disposed between the back side of the door lining covering the inner panel and the front side of the inner panel so as to cover the service hole in a sealable manner;
The door cover sealing structure, wherein the hole cover member is integrally formed with a protruding backing portion that abuts against the back surface of the door lining and suppresses deformation of the door lining.   The door hole seal structure according to claim 1, wherein the backing portion is in contact with a back surface of a peripheral portion of the door lining.   The door hole seal structure according to claim 1 or 2, wherein a base end portion side of the backing portion is supported by a plate portion excluding a service hole of the inner panel. A stepped cross section for stiffening is formed at the peripheral edge of the service hole of the inner panel,
3. The door hole seal structure according to claim 1, wherein a base end portion side of the backing portion is supported by the stepped cross-sectional portion.   The hole cover member is integrally formed with a stiffening cross section having a cross-sectional shape along the stepped cross section of the inner panel, and the backing portion is disposed on the stiffening cross section. The door hole seal structure according to claim 4. A specific functional part is integrally formed on the back surface of the hole cover member facing the inner panel,
The said backing part is arrange | positioned at the surface side of the said hole cover member corresponding to the site | part in which the said specific function part was shape | molded, The claim in any one of Claims 1-5 characterized by the above-mentioned. Door hole seal structure.   The door hole seal structure according to any one of claims 1 to 6, wherein the backing portion is formed in a columnar shape having a cross-sectional shape from which a plurality of ribs protrude. The door lining has an opening in a door pocket;
2. The door hole seal structure according to claim 1, wherein the hole cover member is integrally formed with a door pocket constituting portion corresponding to an opening portion of the door pocket as the backing portion.

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