JP7290533B2 - Automobile lid seal structure - Google Patents

Description

TECHNICAL FIELD The present invention relates to an automotive lid seal structure provided on a fuel lid or a feed port lid of an automobile, and particularly belongs to the technical field of a structure having an elastically deformable sealing material.

2. Description of the Related Art Conventionally, automobiles are provided with a housing having a recess in which a filler port for refueling fuel is arranged, and a lid that opens and closes the opening of the housing. freely supported. By opening and closing the arm, the lid can switch between a state in which the opening of the housing is closed and a state in which the opening is opened.

Further, plug-in hybrid vehicles and electric vehicles, for example, are provided with a power feeding port for connecting a connector of a charging cable in the vehicle body. In this case, similarly to the fuel supply port, a housing having a recess in which the power supply port is arranged and a lid for opening and closing the opening of the housing are provided.

For example, Patent Literature 1 discloses a lid seal structure for a fuel filler opening in which a stepped portion is provided on the periphery of a housing and a sealing material is provided on the periphery of the rear surface of the lid along the entire circumference. When the lid is in the closed state, the sealing material comes into contact with the stepped portion of the housing, thereby exhibiting sealing performance.

Registered Utility Model No. 2605601

By the way, it is assumed that the sealing material of Patent Literature 1 tends to increase the reaction force from the sealing material when the lid is closed. That is, in order to improve the sealing performance, the sealing material is brought into close contact with the housing, and the sealing material is compressed and deformed over the entire circumference so as to absorb some relative displacement between the lid and the housing during running. It is preferable to keep it. However, the sealing material of Patent Document 1 is solid and is pressed in the thickness direction between the lid and the housing. The repulsive force from the material increases.

The repulsive force from the sealing material acts mainly on the periphery of the lid. Since the lid is only partially held by the arm and the locking device with respect to the vehicle body, when the repulsive force from the sealing material against the peripheral edge of the lid increases, the peripheral edge of the lid is displaced outward. There is a risk that the lid as a whole will be warped and deformed. In particular, this problem becomes conspicuous when the lid is made of resin.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and its object is to improve the sealing performance between the lid and the housing while reducing the reaction force from the sealing material.

In order to achieve the above object, a first invention provides a housing (10) having a recessed accommodation portion (11) provided in the vehicle body of an automobile and in which a fuel filler port or a power supply port is arranged; ), an arm (30) that supports the lid (20) and is rotatably attached to the housing (10) at the base end side, the lid (20 ) and a sealing member (4 0 ) for sealing between the housing (10) , wherein the sealing member (40) is annularly provided on the peripheral edge of the housing (10) In the seal structure, a flange portion (12) arranged to face the rear surface of the lid (20) is provided at the peripheral edge portion of the housing (10), and the lid (20) is provided at the flange portion (12). ) has a base-forming concave portion (12a) in which the base portion (41) of the sealing material (40) is arranged, which is elongated in the circumferential direction in the middle portion in the width direction of the flange portion (12). The base (41) of the sealing material (40) is fixed to the inner surface of the base forming recess (12a), and the sealing material (40) extends from the flange (12) to the lid (20). It has a plate-like shape that protrudes outward, and is formed so as to be located radially outward toward the leading end in the protruding direction.

According to this configuration, the sealing member protrudes from the peripheral edge portion of the housing toward the peripheral edge portion of the lid . Therefore, when the lid is closed and the sealing material comes into contact with the peripheral edge of the lid , the sealing material is elastically deformed by a small force so as to bend along the shape of the peripheral edge of the lid . become closely attached to

Further, by fixing the base portion of the sealing material to the inner surface of the base forming recess of the flange portion, the bonding area between the base portion of the sealing material and the flange portion is increased, and the bonding strength of the sealing material to the flange portion is increased.

In a second aspect of the present invention, the housing (10) is provided with an outer peripheral elastic member (50) that protrudes outward and extends in an annular shape and contacts a vehicle body panel. The outer peripheral elastic member (50) is characterized in that it is integrally formed with the peripheral portion of the housing (10).

According to this configuration, it is possible to seal between the housing and the vehicle body panel by the outer peripheral elastic member. In this case, by integrally molding the outer peripheral elastic member and the sealing member with the housing, the outer peripheral elastic member and the sealing member can be easily obtained .

A third aspect of the invention comprises a lock device (60) for holding the lid (20) in a closed state, and is supported by the arm (30) of the lid (20) when the lid (20) is in the closed state. A housing space (S) capable of housing the flexurally deformed seal material (40) is formed between the side opposite to the side where the seal member (40) is bent and the flange (12).

That is, when the lid is closed, the side opposite to the side supported by the arm is pushed in the closing direction. As a result, the seal material is largely flexurally deformed, but since the flexurally deformed seal material is accommodated in the accommodation space between the lid and the flange portion, the seal material does not interfere with the locking by the lock device. do not have.

In addition, by providing the storage space, the sealing material is not pushed excessively, and damage to the sealing material can be reduced .

In a fourth aspect of the invention, the peripheral edge of the housing (10) is provided in an annular shape on the inner peripheral side of the sealing material (4 0 ) and extends from the housing (10) toward the lid (20). It is characterized by having an auxiliary sealing member (45) which is formed in a protruding plate shape and positioned radially inward as it goes to the leading end in the protruding direction.

According to this configuration, a double sealing structure is obtained between the lid and the housing by the sealing material and the auxiliary sealing material.

According to the first aspect of the invention, the sealing material is annularly provided on the peripheral edge of the housing, and is shaped like a plate positioned radially outward toward the distal end in the projecting direction, thereby closing the lid. The sealing material can be flexed with a small force and brought into close contact with the mating side, thereby reducing the reaction force from the sealing material and improving the sealing performance between the lid and the housing. .

Further, since the base of the sealing material is fixed to the inner surface of the base forming recess formed in the flange of the housing, the sealing material is less likely to come off from the flange.

According to the second invention, the outer elastic member for sealing between the housing and the vehicle body panel and the sealing member for sealing between the housing and the lid can be formed integrally with the housing. and the sealing material can be easily obtained .

According to the third aspect of the invention, since the sealing material which is largely bent when the lid is pushed and locked can be accommodated in the accommodating space, the locking by the locking device can be reliably performed.

According to the fourth aspect of the invention, since the auxiliary sealing material is positioned radially inward toward the distal end in the projecting direction, a double sealing structure can be obtained between the lid and the housing. It is possible to further enhance the performance.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a lid device to which the automotive lid seal structure according to Embodiment 1 of the present invention is applied; FIG. 2 is a sectional view taken along line II-II in FIG. 1; FIG. 4 is a perspective view of a housing in which a seal member and an outer peripheral elastic member are integrally formed; It is a perspective view of a single housing. FIG. 3 is an enlarged view of part A in FIG. 2; FIG. 3 is an enlarged view of a B portion in FIG. 2; FIG. 7 is a view equivalent to FIG. 6 showing a state in which the lid is strongly pushed; FIG. 7 is a view corresponding to FIG. 6 according to Modification 1 of Embodiment 1; FIG. 7 is a view corresponding to FIG. 6 according to Modification 2 of Embodiment 1; FIG. 7 is a view corresponding to FIG. 6 according to Embodiment 2; FIG. 7 is a view corresponding to FIG. 6 according to Modification 1 of Embodiment 2; FIG. 7 is a view corresponding to FIG. 6 according to Modification 2 of Embodiment 2;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail based on the drawings. It should be noted that the following description of preferred embodiments is essentially merely illustrative, and is not intended to limit the invention, its applications, or its uses.

(Embodiment 1)
FIG. 1 is a perspective view of a lid device 1 to which an automotive lid seal structure according to Embodiment 1 of the present invention is applied. The lid device 1 is provided in the vicinity of the rear side of the right side of an automobile. A vehicle is a plug-in hybrid vehicle or an electric vehicle that includes a driving motor and a driving battery that supplies electric power to the driving motor. Although not shown, the inside of the lid device 1 is provided with a power supply port to which a connector portion of a charging cable for charging the running battery by an external power supply is detachably connected. Therefore, the lid device 1 is a power supply port lid device that can cover the power supply port when the power supply port is not in use.

The present invention can also be applied to a fuel lid device in which a fuel supply port for supplying fuel is provided in addition to the lid device for the power supply port. In the description of this embodiment, the front side of the lid device 1 is the front side of the vehicle, the rear side of the lid device 1 is the rear side of the vehicle, the left side of the lid device 1 is the left side of the vehicle, and the right side of the lid device 1 is the right side of the vehicle. be. Also, the vertical direction of the lid device 1 coincides with the vertical direction of the vehicle. Note that the lid device 1 can be installed on the left side of the automobile or can be installed on the front side, and the installation location is not particularly limited.

(Overall Configuration of Lid Device 1)
As shown in FIGS. 1 and 2, the lid device 1 includes a housing 10, a lid 20 as an opening/closing body, an arm 30, and a locking device 60 (shown in FIG. 6). The housing 10 is adapted to be attached to a vehicle body panel P (a portion of which is shown in FIGS. 5 and 6) of an automobile, and a power supply port of the automobile is provided inside the housing 10. As shown in FIG. The lid 20 is supported by an arm 30, and opens the housing 10 when power is supplied, and closes the housing 10 when power is not supplied, such as during running, to prevent entry of foreign matter or water from the outside. The locking device 60 is for switching the lid 20 between a locked state and an unlocked state (unlocked state).

(Configuration of housing 10)
The housing 10 shown in FIGS. 2 and 3 is formed by injection molding a resin material. Since the housing 10 is provided on the right side of the vehicle body, it has a recessed power supply port accommodating portion 11 formed so as to be recessed toward the left side of the vehicle body. The power supply port accommodating portion 11 as a whole opens to the right. A power supply port is arranged in the power supply port accommodating portion 11 . In the case of the fuel lid device, since the fuel filler port is arranged in the housing portion 11, it becomes the fuel filler port housing portion. A flange portion 12 is provided on the peripheral edge portion of the power supply port accommodating portion 11 in the housing 10 . The flange portion 12 is continuously provided in the circumferential direction of the opening of the power supply port accommodating portion 11 .

As shown in FIG. 4, on the rear side of the flange portion 12 on which the locking device 60 is arranged, a base-forming concave portion 12a in which the base portion 41 of the seal member 40 is arranged is formed elongated in the circumferential direction. there is The base-forming concave portion 12 a extends from the upper portion of the flange portion 12 toward the rear side of the flange portion 12 and then continuously extends to the lower portion of the flange portion 12 . Further, on the rear side of the flange portion 12, a locking device mounting plate portion 12d is provided in a portion surrounded by the base forming recess portion 12a. The locking device mounting plate portion 12d is formed to be recessed, and an opening hole 12f is formed in the locking device mounting plate portion 12d. As shown in FIG. 6, the lock pin 61 of the lock device 60 is attached to the opening hole 12f of the lock device mounting plate portion 12d.

Further, as shown in FIG. 4, the flange portion 12 is formed with a plurality of convex portions 12b. The convex portion 12b is formed so as to be discontinuous to a portion of the flange portion 12 other than the base portion forming concave portion 12a. Specifically, the upper and lower portions of the flange portion 12 are formed to extend long in the front-rear direction, and the front side of the flange portion 12 is formed to extend in the vertical direction. On the other hand, on the front side of the flange portion 12, a central recessed portion 12c is formed in the vertical central portion.

The front wall of the housing 10 is integrally formed with an arm accommodating portion 13 that protrudes forward. The inside of the arm accommodating portion 13 communicates with the power supply port concave portion 11 . As shown in FIG. 2, the base end side of the arm 30 is accommodated in the arm accommodating portion 13 when the lid 20 is in the closed state.

(Configuration of lid 20)
The lid 20 shown in FIG. 1 is a member for opening and closing the opening of the feeding port accommodating portion 11 of the housing 10, and can be made of, for example, a plate made of resin. The outer shape of the lid 20 can be made substantially the same as the outer shape of the peripheral portion of the housing 10 .

(Configuration of arm 30)
The arm 30 is made of a resin material, supports the lid 20 and is rotatably attached to the housing 10 . As shown in FIG. 2, the base end portion 31 of the arm 30 is supported in the arm accommodating portion 13 of the housing 10 by a vertically extending support shaft 31a. The support shaft 31 a is arranged at the right end of the front portion of the arm housing portion 13 . On the other hand, the tip side portion 32 of the arm 30 is formed in a plate shape extending in the front-rear direction and the up-down direction. The rear surface of the lid 20 is attached to the distal end portion 32 of the arm 30 . As the arm 30 rotates around the support shaft 31a, the lid 20 switches between a state in which the opening of the power supply port accommodating portion 11 is opened (not shown) and a state in which the opening is closed (shown in FIGS. 1 and 2). .

A lock pin accommodating portion 32a is formed in the distal end portion 32 of the arm 30 to accommodate a later-described lock pin 61 therein. The lock pin accommodating portion 32a is elongated in the longitudinal direction of the lid 20 so as to extend along the rear surface of the lid 20, and the lock pin 61 is accommodated in the inner hollow portion.

As shown in FIG. 2, an intermediate portion 33 between the proximal portion 31 and the distal portion 32 of the arm 30 extends from the proximal portion 31 to the left, then to the rear, and then to the right. curved to extend. When the lid 20 closes the opening of the power supply port accommodating portion 11 , the intermediate portion 33 of the arm 30 is accommodated in the arm accommodating portion 13 of the housing 10 while the lid 20 opens the opening of the power supply port accommodating portion 11 . When in the closed state, the tip side of the intermediate portion 33 of the arm 30 comes out of the arm accommodating portion 13 and is positioned outside the housing 10 .

(Configuration of lock device 60)
The locking device 60 is a device for locking the lid 20 to prevent it from moving in the opening direction when the lid 20 is in the closed state as shown in FIG. The lock device 60 has a lock pin 61 which is accommodated in and engaged with the lock pin accommodating portion 32a of the arm 30. By changing the position or posture of the lock pin 61, the lock pin 61 is engaged with the lock pin accommodating portion 32a. It can be switched between a state in which it is pulled down and a state in which it is separated from the lock pin accommodating portion 32a. The configuration of such a locking device 60 is conventionally well known.

(Structure of sealing material 40)
The housing 10 is provided with a sealing material 40 for sealing between the lid 20 and the housing 10 . The material of the sealing material 40 is, for example, a water-impermeable elastic material such as rubber or thermoplastic elastomer, and is a material that adheres to the flange portion 12 of the housing 10 . The sealing member 40 is provided in an annular shape over the entire circumference of the flange portion 12 . A portion of the sealing material 40 fixed to the flange portion 12 is a base portion 41 of the sealing material 40 , and the base portion 41 has a plate shape extending along the flange portion 12 . The base portion 41 is fixed to the flange portion 12 over the entire circumference. As shown in FIG. 5, in the portion of the flange portion 12 where the central recessed portion 12c is formed, the base portion 41 is arranged in the central recessed portion 12c and is fixed to the inner surface of the central recessed portion 12c. As shown in FIG. 6, in the portion of the flange portion 12 where the base forming recess 12a is formed, the base 41 is arranged in the base forming recess 12a and is fixed to the inner surface of the base forming recess 12a. ing. By fixing the base portion 41 to the inner surface of the central recessed portion 12c and the inner surface of the base portion forming concave portion 12a in this way, the fixing area between the sealing material 40 and the flange portion 12 is increased, and the sealing material 40 is bonded to the flange portion 12. Increases strength. Note that the central recessed portion 12c may be omitted.

Further, as shown in FIG. 3, the convex portion 12b of the flange portion 12 penetrates the base portion 41 of the sealing material 40 in the thickness direction, and the tip surface of the convex portion 12b in the projecting direction extends from the surface of the base portion 41 of the sealing material 40. Exposed. Since the convex portion 12b penetrates the base portion 41, the bonding area between the sealing material 40 and the flange portion 12 is increased, and the bonding strength of the sealing material 40 to the flange portion 12 is increased. Note that the convex portion 12b does not have to penetrate the base portion 41 .

The sealing member 40 has a plate-like lip portion 42 that protrudes from the base portion 41 , that is, the flange portion 12 toward the lid 20 side and extends annularly like the base portion 41 . The base portion 41 and the lip portion 42 are integrally molded. As shown in FIGS. 5 and 6 , the lip portion 42 is formed so as to be positioned radially outward toward the distal end portion of the lip portion 42 in the projecting direction. The thickness of the lip portion 42 is set to be the thinnest at the leading end portion in the projecting direction. The thickness of the lip portion 42 may be set so as to increase as it approaches the base portion 41 . Also, the thickness of the lip portion 42 may be changed in the middle portion in the projecting direction. Also, the thickness of the lip portion 42 can be set thicker than the thickness of the base portion 41 .

The length of the lip portion 42 (the dimension in the projecting direction) is set longer than the distance between the front surface of the base portion 41 and the back surface of the lid 20 in the closed state. Specifically, when the lid 20 is in the closed state, the tip of the lip portion 42 in the projecting direction is in contact with the back surface of the lid 20 over the entire circumference and is pushed by the back surface of the lid 20 . The length of the lip portion 42 is set sufficiently long so that the lip portion 42 is elastically deformed and bent. Since the lip portion 42 is formed so as to be positioned radially outward toward its tip, when the lip portion 42 is pushed by the back surface of the lid 20, the tip of the lip portion 42 is radially outward. The lip portion 42 will bend as a whole so as to be displaced. When the tip portion of the lip portion 42 is displaced radially outward, the diameter of the tip portion of the lip portion 42 increases, so that the tip portion of the lip portion 42 elastically deforms so as to extend in the circumferential direction. This deformation causes the tip of the lip to return to its original state, so that the sealing performance is further improved. Similarly, not only the tip portion of the lip portion 42 but also the intermediate portion in the projecting direction is elastically deformed so as to extend in the circumferential direction, but the amount of elastic deformation is smaller than that of the tip portion. A multiple seal structure may be provided by forming a plurality of lip portions 42 on the flange portion 12 .

As shown in FIG. 6, when the lid 20 is in the closed state, the lip portion of the flexurally deformed sealing member 40 is provided between the lid 20 opposite to the side supported by the arm 30 and the flange portion 12. 42 can be accommodated therein. Since the side of the lid 20 supported by the arms 30 is the front side in this embodiment, the side of the lid 20 opposite to the side supported by the arms 30 is the rear side of the lid 20 in this embodiment. The rear side of the rear surface of the lid 20 in the closed state and the flange portion 12 are separated by a predetermined distance or more. A space S is formed.

That is, when the lid 20 is closed, the side opposite to the side supported by the arm 30 (the rear side of the lid 20) is pushed in the closing direction. , is strongly pushed in the closing direction. As a result, the lid 20 is closer to the flange portion 12 as shown in FIG. 7 than in the normal closed state shown in FIG. Transform and fall. Since the lip portion 42 that is greatly flexurally deformed is accommodated in the accommodation space S between the rear surface of the lid 20 and the flange portion 12 , the sealing material 40 does not interfere with locking by the locking device 60 .

(Structure of outer peripheral side elastic member 50)
An outer peripheral elastic member 50 is provided on the peripheral edge of the flange portion 12 of the housing 10 so as to protrude outward and extend annularly to come into contact with the vehicle body panel P. It is integrally formed on the peripheral edge of 10 . Therefore, the seal member 40 and the outer peripheral elastic member 50 are made of the same material. The seal member 40 and the outer peripheral elastic member 50 may be formed separately, or may be made of different materials.

For example, as shown in FIG. 6, the outer peripheral elastic member 50 includes a front side fixing portion 51 fixed to the front side of the flange portion 12, a back side fixing portion 52 fixed to the back side of the flange portion 12, and these fixing portions 51, and a plate-like portion 53 protruding from 52 . The front-side fixing portion 51 is formed to swell. The tip portion of the plate-like portion 53 contacts the vehicle body panel P and is elastically deformed.

(Method of Forming Seal Material 40 and Peripheral Elastic Material 50)
Next, a method for forming the sealing member 40 and the outer peripheral elastic member 50 will be described. First, the housing 10 is obtained by injection molding or the like. The flange portion 12 of the housing 10 is placed in a mold (not shown) for molding the sealing member 40 and the outer peripheral elastic member 50 and fixed. After that, the materials of the sealing material 40 and the outer elastic material 50 are injected into the cavity of the mold. The injected material flows in the cavity, contacts the flange portion 12, is formed into a predetermined shape, and solidifies. The injected material contacts the flange portion 12 and solidifies, thereby fixing the seal material 40 and the outer peripheral side elastic member 50 to the flange portion 12 . The molding method of the sealing member 40 and the outer peripheral elastic member 50 is not limited to the method described above. You may make it

(Modification of Embodiment 1)
FIG. 8 shows Modification 1 of Embodiment 1. In FIG. In this modified example 1, a ridge portion 20a is formed on the rear surface of the lid 20 . The protruding portion 20a is located outside the contact portion of the sealing material 40 with the tip portion of the lip portion 42 in the projecting direction, and extends continuously in the circumferential direction along the tip portion of the lip portion 42. . The ridge portion 20a can be arranged so as to come into contact with the tip portion of the lip portion 42 in the projecting direction. The contact between the ridge portion 20a and the lip portion 42 further improves the sealing performance.

FIG. 9 shows a modification 2 of the first embodiment. The housing 10 of Modified Example 2 includes an auxiliary sealing member 45 that is annularly provided on the inner peripheral side of the sealing member 40 . The auxiliary seal member 45 has a plate-like shape that protrudes from the flange portion 12 toward the lid 20 side, and is formed so as to be located radially inward toward the leading end portion in the protruding direction. The length of the auxiliary sealing material 45 is such that when the lid 20 is in the closed state, the tip of the auxiliary sealing material 45 in the protruding direction is in contact with the rear surface of the lid 20 over the entire circumference, and the length of the lid 20 is It is set so that the auxiliary sealing material 45 is elastically deformed by being pushed by the back surface and bends inward. In the case of Modified Example 2, a double seal structure is obtained between the lid 20 and the housing 10 by the sealing material 40 and the auxiliary sealing material 45, so that the sealing performance is further improved. Also, the sealing material 40 and the auxiliary sealing material 45 may be made of separate members.

Moreover, although the sealing member 20 is provided on the housing 10 in the first embodiment, the sealing member 40 may be provided on the lid 20 without being limited to this. In this case, the sealing material 40 protrudes from the rear surface of the lid 20 toward the flange portion 12 of the housing 10 .

(Effect of Embodiment 1)
As described above, according to the lid seal structure for an automobile according to the first embodiment, the lip portion 42 of the seal member 40 has a plate shape formed so as to be positioned radially outward toward the leading end in the projecting direction. Therefore, when the lid 20 is closed and the lip portion 42 contacts the periphery of the lid 20, the sealing material 40 is elastically deformed by a small force so as to bend along the shape of the periphery of the lid 20. 20 comes to adhere to the periphery. Thereby, the sealing performance between the lid 20 and the housing 10 can be improved while reducing the reaction force from the seal member 40 .

Further, since the outer peripheral elastic member 50 for sealing between the housing 10 and the vehicle body panel P and the sealing member 40 for sealing between the housing 10 and the lid 20 can be formed integrally with the housing 10, The elastic material 50 and the sealing material 40 can be easily obtained.

Further, since the base portion 41 of the sealing material 40 is fixed to the inner surface of the base forming recess 12 a formed in the flange portion 12 of the housing 10 , the sealing material 40 is less likely to come off from the flange portion 12 .

Further, as shown in FIG. 7, the lip portion 42 of the sealing material 40, which is largely bent when the lid 20 is pushed and locked, can be accommodated in the accommodation space S, so that the locking by the locking device 60 can be securely performed. can be done.

(Embodiment 2)
FIG. 10 is an enlarged view showing a main part of the automobile lid seal structure according to Embodiment 2 of the present invention. The second embodiment differs from the first embodiment in that a sealing material 400 is provided on the lid 20, and the other parts are the same as in the first embodiment. The same reference numerals are assigned to omit the explanation, and different parts will be explained.

A sealing material 400 is provided in an annular shape on the periphery of the rear surface of the lid 20 of the second embodiment. The sealing material 400 has a plate-like shape protruding from the rear surface of the lid 20 toward the flange portion 12 of the housing 10, and is formed so as to be located radially outward toward the distal end portion in the projecting direction. When the lid 20 is in the closed state, the tip of the sealing member 400 in the protruding direction contacts the surface of the flange portion 12 over the entire circumference, and is pushed by the surface of the flange portion 12 so that the sealing member 400 is disengaged. It is elastically deformed and bends outward.

As in the first embodiment, the second embodiment can improve the sealing performance between the lid 20 and the housing 10 while reducing the reaction force from the sealing member 400 .

(Modification of Embodiment 2)
FIG. 11 shows Modification 1 of Embodiment 2. In FIG. In this modified example 1, the rear surface of the lid 20 is formed with a protrusion 20b and a recess 20c. A base portion 401 of the sealing material 400 is formed along the projecting piece portion 20b, is arranged in the recessed portion 20c, and is fixed to the projecting piece portion 20b and the recessed portion 20c.

FIG. 12 shows Modification 2 of Embodiment 2. In FIG. In Modification 2, a seal concave portion 14 is formed continuously in the circumferential direction in the peripheral portion of the flange portion 12 of the housing 10 . When the lid 20 is in the closed state, the tip of the sealing member 400 in the projecting direction is elastically deformed and comes into contact with the inner peripheral surface 14a and the bottom surface 14b of the sealing recess 14 . The inner peripheral surface 14a of the sealing recess 14 is formed along the tip of the sealing material 400 in the projecting direction. As a result, when the sealing material 400 is provided on the lid 20, the contact area between the sealing material 400 and the sealing concave portion 14 of the housing 10 can be increased, so that the sealing performance can be further improved.

The above-described embodiments are merely examples in all respects and should not be construed in a restrictive manner. Furthermore, all modifications and changes within the equivalent scope of claims are within the scope of the present invention.

INDUSTRIAL APPLICABILITY As described above, the lid seal structure for an automobile according to the present invention can be used, for example, as a fuel lid device for an automobile or a lid device for a power supply port.

Reference Signs List 1 Power feed port lid device 10 Housing 12 Flange 12a Base forming recess 14 Seal recess 14a Seal recess inner peripheral surface 14b Bottom surface of seal recess 20 Lid 30 Arm 40 Seal material 41 Base 42 Lip part 45 Auxiliary seal material 50 Outer peripheral side elastic member 400 Sealing material

Claims (4)

a housing (10) provided in the vehicle body of an automobile and having a recessed accommodating portion (11) in which a fuel filler port or a power supply port is arranged;
a lid (20) for opening and closing the opening of the housing (11);
an arm (30) supporting the lid (20) and having a proximal end rotatably attached to the housing (10);
A sealing material (4 0 ) for sealing between the lid (20) and the housing (10) ,
In the automobile lid seal structure , wherein the sealing member (40) is provided in an annular shape on the peripheral edge of the housing (10) ,
A flange portion (12) arranged to face the rear surface of the lid (20) is provided on the peripheral edge portion of the housing (10),
A base portion in which a base portion (41) of the sealing material (40) is arranged at an intermediate portion in the width direction of the flange portion (12) on a surface of the flange portion (12) facing the rear surface of the lid (20). The formation concave portion (12a) is formed long in the circumferential direction,
The base (41) of the sealing material (40) is fixed to the inner surface of the base forming recess (12a),
The seal member (40) has a plate-like shape protruding from the flange portion (12) toward the lid (20) , and is formed so as to be located radially outward toward the leading end portion in the direction of protrusion. A lid seal structure for an automobile, characterized by: In the automobile lid seal structure according to claim 1,
An outer peripheral side elastic member (50) is provided at the peripheral edge of the housing (10) so as to protrude outward and extend in an annular shape to contact a vehicle body panel,
A lid seal structure for an automobile, wherein the sealing member (40) and the outer peripheral elastic member (50) are integrally formed on the peripheral edge of the housing (10). In the automobile lid seal structure according to claim 1 ,
A locking device (60) for holding the lid (20) in a closed state,
When the lid (20) is in the closed state, the flexurally deformed said A lid seal structure for an automobile, characterized in that a housing space (S) capable of housing a sealing material (40) is formed. In the automobile lid seal structure according to any one of claims 1 to 3 ,
A peripheral portion of the housing (10) is provided in an annular shape on the inner peripheral side of the sealing material (4 0 ) and has a plate shape protruding from the housing (10) toward the lid (20). A lid seal structure for automobiles, characterized by comprising an auxiliary seal member (45) formed so as to be positioned radially inward as it goes toward the tip in the projecting direction.

Images