CN217598316U

CN217598316U - Vehicle door sealing structure

Info

Publication number: CN217598316U
Application number: CN202220964942.1U
Authority: CN
Inventors: 徐佳鸣; 彭荣华; 盛大全; 汤陆明; 郑琦
Original assignee: Zhiji Automobile Technology Co Ltd
Current assignee: Zhiji Automobile Technology Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-18
Anticipated expiration: 2032-04-25

Abstract

A vehicle door sealing structure includes a vehicle frame, a front door, a rear door, a first sealing portion, a second sealing portion, and a third sealing portion. The first sealing part is arranged along the frame door gap and is in an integral annular shape, and the first sealing part comprises a non-linear part below at least one of the A column and the C column of the frame, and the non-linear part is attached to the outline of the frame to avoid the area below the A column and the C column. The second sealing portion is located inside the first sealing portion, is arranged along the frame door frame, is in an integral annular shape, and is closer to the cabin in the frame than the first sealing portion. The third seal portion includes a center inner seal portion at the rear side of the front door and a center outer seal portion at the front side of the rear door. The utility model discloses specially adapted does not have the B post and the complete twice of flat-open door is sealed, has reserved sufficient space for the translation door. In addition, the two seals can be integrally arranged on the automobile body, so that a transition structure from the automobile body to the automobile door is avoided, and the leakage risk is avoided.

Description

Vehicle door sealing structure

Technical Field

The utility model relates to a door seal structure, more specifically say, relate to a door seal structure to the car of no B post car type very much.

Background

Fig. 1, 2a and 2b show a door sealing structure of a conventional general automobile. It is well known that existing automotive structures typically have an a-pillar, a B-pillar, and a C-pillar. The front door of the automobile is mounted on the column A through a hinge, and the rear door of the automobile is mounted on the column B through a hinge.

The existing door sealing structure is divided into a door part and a frame part, as shown in fig. 1, a part of sealing strip 12 is arranged on the inner side edge of the door and below the A column of the automobile, and a corresponding sealing strip 13 is arranged at the position corresponding to the sealing strip and at the seam of the frame. By such a portion of the weather strip 12 on the door and a portion of the weather strip 13 on the frame (door seam), the weather strip 12 and the weather strip 13 are combined into a complete weather strip when the door is closed.

However, the problem with this arrangement is that the door weatherstrip is not a complete unit but is formed by splicing a door weatherstrip 12 to a frame weatherstrip 13 so that there is always a gap 11. Those skilled in the art will appreciate that such a gap 11 is detrimental to the overall sealing performance of the door, but cannot be completely avoided, otherwise the sealing tape 12 and the sealing tape 13 will overlap, which will also result in a reduction in sealing performance.

On the other hand, as shown in fig. 2a and 2B, in order to make the door better airtight to the vehicle frame, the existing door is provided with an additional sealing block 14 at its upper corner near the B-pillar position, where the sealing block 14 corresponds to the notch at the B-pillar position of the vehicle frame, and accordingly the sealing strip of the vehicle frame is not an integral one, and has a notch at the corresponding position of the sealing block 14. When the door is closed, the sealing block 14 abuts against the corresponding position of the B-pillar, so that the gap between the door and the B-pillar is sealed.

Such prior art doors have a notch at the B-pillar for the purpose of installation and locking, resulting in the inability to place a complete weatherstrip over the door. In the interest aspect, for the A-pillar position, half of the sealing strips of the existing structure are arranged on the vehicle door, and half of the sealing strips are discontinuous on the vehicle body, so that the sealing effect is unreliable, and the leakage risk is very high. If use above-mentioned structure on translation door + no B post car, the first sealed unable arrangement of arranging of current structure perhaps has incompletely, the discrete problem.

The above prior art is both a door seal structure and a form of a conventional automobile. With the development of automobile technology, the current B-pillar-free automobile becomes the trend of automobile research and development again. This is because the passing of passengers into and out of the vehicle door is always an important consideration for the customer to purchase the vehicle, and the design of the vertical hinged door and the non-B-pillar is the vehicle body structure which is being intensively researched by many main engine plants at present.

However, the movement mechanism of the vertical hinged door is very large, the space occupied by the doorsill and the vehicle body is large, and the conventional uniform-section first sealing strip installed on the vehicle door cannot be arranged. The conventional rotary vehicle door realizes multi-channel sealing through the matching with a B column of a vehicle body, and a new structure is needed to realize sealing when the B column does not exist.

It can be seen that the above prior art is not applicable to a B-pillar free vehicle model, and if the existing design concept is directly used on a B-pillar free vehicle model, the corresponding drawbacks are still not solved.

SUMMERY OF THE UTILITY MODEL

The problem to the sealed defect that exists of door that prior art exists, the utility model provides a door seal structure and car can solve a plurality of defects on the door seal structure at least.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a vehicle door sealing structure comprises a vehicle frame, a front door, a rear door, a first sealing part, a second sealing part and a third sealing part. The first sealing part is arranged along the frame door gap and is in an integral annular shape, and the first sealing part comprises a non-linear part below at least one of the A column and the C column of the frame, and the non-linear part is attached to the outline of the frame to avoid the area below the A column and the C column. The second sealing part is arranged along the frame door frame at the inner side of the first sealing part, has an integral annular shape, and is closer to the cabin in the frame relative to the first sealing part. The third seal portion includes a center inner seal portion at the rear side of the front door and a center outer seal portion at the front side of the rear door.

As an embodiment of the present invention, the non-linear portion is a portion of the first sealing portion along edge positions of the front wheel and the rear wheel of the frame;

the non-linear part enables the front door not to interfere with the non-linear part when the front door is opened in a translational or sliding mode;

the non-linear portion allows the back door to be opened in a translational or sliding manner without interference with the non-linear portion.

As an embodiment of the present invention, the second sealing portion includes the sealing lip edge, the sealing bubble, adds holding structure, embedded skeleton, the decoration lip edge and the automobile body interior, wherein:

the embedded type framework is of a concave structure and is fixed at the edge of a frame door frame;

the additional holding structure is arranged on the inner side of the concave structure of the embedded type framework and is abutted against the frame doorframe to play a role in stabilizing;

the outer edges of the embedded type framework and the frame door frame are provided with sealing lip edges, and the sealing lip edges generate elastic deformation during assembly;

the sealing bubble is arranged on the outer side of the embedded framework, and when the car door is closed, the sealing bubble is extruded by the car door to generate elastic deformation;

the position department in the embedded skeleton outside, with between the sealed bubble sets up decorate the lip limit, automobile body interior trim card is gone into decorate the lip limit with in the space that the embedded skeleton outside formed.

As an embodiment of the present invention, the central inner sealing portion includes a front door elastic fixing ring and an elastic connecting groove;

the front door elastic fixing ring is fixed on the inner side of the rear side edge of the front door, and the rear end of the front door elastic fixing ring is connected with the elastic connecting groove;

the opening direction of elastic connection groove is towards back door position, just the inboard bulge of side is connected in front of elastic connection groove and back door.

As an embodiment of the present invention, the center outer seal portion includes a back door fixing groove and a back door deformation piece;

the rear door fixing groove is embedded and fixed at the outer side edge of the front side edge of the rear door;

the rear door deformation sheet is installed on the outer side of the rear door fixing groove and located on the outer side edge of the front side edge of the rear door, and the rear door deformation sheet is attached to the rear side edge of the front door when the front door and the rear door are closed.

As an embodiment of the present invention, the first sealing portion is disposed along the frame gap, and is in an overall ring shape, and the first sealing portion includes a non-linear portion below at least one of the a-pillar and the C-pillar of the frame, the non-linear portion conforms to the frame profile to avoid the area below the a-pillar and the C-pillar.

As an embodiment of the present invention, a vehicle door sealing structure, including the second sealing portion, its characterized in that:

the second sealing portion is arranged along the frame door frame and is in an integral ring shape, and the second sealing portion comprises a sealing lip edge, a sealing bubble, a clamping structure and an embedded skeleton, wherein:

the embedded type framework is of a concave structure and is fixed at the edge of the frame door frame;

the clamping structure is arranged on the inner side of the concave structure of the embedded framework, and a sealing lip edge is arranged at the outer edge of the embedded framework and the frame door frame and is abutted against the frame door frame to play a role in stabilizing, and the sealing lip edge generates elastic deformation during assembly;

the sealing bubble is arranged on the outer side of the embedded framework, and when the car door is closed, the sealing bubble is extruded by the car door to generate elastic deformation.

As an embodiment of the present invention, the second sealing portion further includes a decorative lip and an interior trim, wherein:

As an embodiment of the present invention, a vehicle door sealing structure, including a third sealing portion, is characterized in that:

the third seal portion includes a center inner seal portion of the rear side of the front door and a center outer seal portion of the front side of the rear door, wherein:

the central inner sealing part comprises a front door elastic fixing ring and an elastic connecting groove; the front door elastic fixing ring is fixed on the inner side of the rear side edge of the front door, and the rear end of the front door elastic fixing ring is connected with the elastic connecting groove; the opening direction of the elastic connecting groove faces to the position of the back door, and the elastic connecting groove is connected with a convex part on the inner side of the front side edge of the back door;

the central outer sealing part comprises a rear door fixing groove and a rear door deformation sheet; the rear door fixing groove is embedded and fixed at the outer side edge of the front side edge of the rear door; the rear door deformation piece is installed on the outer side of the rear door fixing groove and located on the outer side edge of the front side edge of the rear door, and the rear door deformation piece is attached to the rear side edge of the front door when the front door and the rear door are closed.

As an implementation mode of the utility model, the inner side of the rear side edge of the front door is provided with a mounting surface, and the included angle between the mounting surface and the opening direction of the elastic connecting groove is 45-60 degrees;

the rear door deformation sheet has a safety gap attached between the front door and the rear door when the front door and the rear door are folded, and the safety gap is larger than 5mm;

the distance between the innermost side edge of the rear door fixing groove and the outermost side edge of the rear door deformation sheet is not less than 20mm;

the distance between the foremost end of the rear door fixing groove and the rearmost end of the rear door deformation sheet is not more than 18mm.

In the technical scheme, the utility model provides a simple efficient sealed form, specially adapted does not have B post and the complete twice of flat-open door is sealed, has reserved sufficient space for the translation door simultaneously. Furthermore, the utility model discloses a front and back door overlap joint department provides twice sealedly, can arrange on the automobile body completely, has avoided the excessive structure from the automobile body to the door, has avoidd the risk of leaking.

Drawings

FIG. 1 is a schematic view of a conventional door weather strip;

FIGS. 2a and 2b are schematic structural views of a door seal block;

fig. 3 is a schematic position diagram of the vehicle door sealing structure of the present invention;

FIG. 4 is a schematic view of the location of the first seal portion and the second seal portion;

FIG. 5 is an enlarged partial view of the first seal portion;

FIG. 6 is a schematic view of a prior art vehicle door opening;

FIG. 7 is a schematic view of the door opening of the present invention;

FIG. 8 is a sectional view taken in the direction B-B in FIG. 4;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 10 is a schematic view of the structure of the third seal portion;

FIG. 11 is a schematic view of the third seal portion with the door open;

FIG. 12 is a schematic view of a central inner seal portion;

FIG. 13 is a schematic view of a center outer seal portion;

FIG. 14 is a schematic view of a B-pillar free vehicle translating door opening pattern;

fig. 15 is a schematic view of a B-pillar-less vehicle type translating door opening pattern.

In the figure:

11-gap, 12-sealing strip of vehicle door, 13-sealing strip of vehicle frame, 14-sealing block; 15-linear sealing strips;

20-a first sealing portion, 21-a non-linear portion;

30-a second sealing part, 31' -a sealing lip, 32-a sealing bubble, 33-an embedded framework, 34-a holding structure, 35-a decorative lip and 36-a vehicle body interior;

40-a third sealing part, 41-a central inner sealing part, 42-a central outer sealing part, 43-a front door elastic fixing ring, 44-an elastic connecting groove, 45-a rear door fixing groove and 46-a rear door deformation sheet;

50. 50' -door, 51-frame door, 52-front door outer sheet metal, 53-front door inner sheet metal, 54-front door sheet metal reinforcement, 55-rear door outer sheet metal, 56-rear door inner sheet metal, 57-rear door sheet metal reinforcement, 58-four-bar linkage.

Detailed Description

The technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. It is to be understood that the described embodiments are for purposes of illustrating the concepts of the invention and are not intended to be exhaustive of all embodiments of the invention.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In order to make the utility model discloses a description is clear, not ambiguous, the utility model discloses the locomotive direction of definition vehicle is the place ahead, and the rear of a vehicle direction is the rear, and the roof direction is the top, and the chassis direction is the below, and the direction of vehicle left side door is the left side, and the direction of right side door is the right side, and the door that is close to the locomotive is the qianmen, and the door that is close to the rear of a vehicle is the back door. It will be understood by those skilled in the art that the foregoing definitions are for convenience of description only and not for limitation of the present invention, and that the definitions of front, back, left, right and other directions of the present invention shall be based on actual technical features and technical solutions, rather than only with reference to the text definitions, so that the definitions of the front door, the back door, etc. of the present invention are relative.

Referring to fig. 3-13, the present invention discloses a door sealing structure, which is designed especially for a vehicle model without a B-pillar, and similar to a vehicle model without a B-pillar, such as a side-by-side combination vehicle model.

As shown in fig. 4, the B-pillar free vehicle type is typically characterized in that the frame (body) has only front and rear a pillars and C pillars, and the opening of the passenger compartment is a large opening as a whole without a B pillar in the middle. In this type of vehicle, since the vehicle body does not have a B-pillar, the mounting manner, mounting position, and opening manner of the door 50 are different. The vehicle door 50 of the B-pillar free type is generally fixedly mounted by a frame near an a-pillar and a C-pillar, or an a-pillar or a C-pillar, and two door opening methods are generally used:

1. the front door is fixed on the column A through a hinge, the rear door is fixed on the column C through a hinge, and the front door and the rear door are opened at the position of the original column B in a split mode.

2. The front door is arranged near the A column through a connecting rod or a sliding rail, the rear door is arranged near the C column through a connecting rod or a sliding rail, and the front door and the rear door are opened at the original B column position in a translation or sliding mode.

The second kind of mode of opening the door and the first kind of mode of opening the door face technical problem slightly different, this because when preceding door or back door opened through the mode of translation or sliding, probably produced interference, touching with the sealing strip of former A post, C post position to lead to opening the door the process not smooth, the latter leads to the wearing and tearing aggravation of sealing strip in the past for a long time.

In view of this, as shown in fig. 3, the door sealing structure of the present invention mainly includes three parts, namely, a first sealing part 20, a second sealing part 30, and a third sealing part 40. The first sealing portion 20 and the second sealing portion 30 are both provided on the vehicle frame, and the third sealing portion 40 is provided at a gap between the front door and the rear door of the vehicle.

As can be seen from fig. 3, the vehicle door sealing structure of the present invention has two large circles and two middle vertical bars. The first large loop, i.e. the first sealing portion 20, the body portion of which is arranged entirely on the body (frame) as close as possible to the door seam, the first sealing portion 20 defining the door seam trend of the front door, in particular including a portion distinct from the conventional straight-line trend, the door seam of the front door being a broken-line trend. The second large ring is the second sealing part 30, and the main body part is the door opening strip clamped on the front opening of the door opening (the frame door frame). The middle two vertical bars, the third seal 40, include a central outer seal 42 and a central inner seal 41 on the original B-pillar.

With continued reference to fig. 3, the first seal portion 20 and the second seal portion 30 each present a unitary annular structure. As an embodiment of the present invention, the first sealing portion 20 is a complete sealing ring surrounding a circle, and the same second sealing portion 30 is a complete sealing ring surrounding a circle. The complete seal ring surrounding the circumference means that the first sealing portion 20 is integrally formed, and when the first sealing portion 20 is installed at a specific position on the vehicle frame, no gap, groove, hole or other structure for destroying the integrity of the seal ring is additionally formed in the middle of the first sealing portion 20, which corresponds to any other sealing structure of the vehicle door 50. The second sealing portion 30 is the same as the first sealing portion 20 and will not be described in detail herein.

Referring to fig. 3-5, the first sealing portion 20 is disposed along the frame gap, and the second sealing portion 30 is disposed along the frame doorframe, inside the first sealing portion 20. As can be seen in fig. 4, the first sealing portion 20 is in the "outer" position and the second sealing portion 30 is in the "inner" position, as viewed from the side of the frame. Furthermore, the second sealing portion 30 is closer to the cabin within the frame than the first sealing portion 20, as viewed from above the frame, so that the first sealing portion 20 is "outboard" and the second sealing portion 30 is "inboard".

As shown in fig. 3-5, the first sealing portion 20 includes a non-linear portion 21 under the a-pillar and/or the C-pillar of the frame, and the non-linear portion 21 is a portion of the first sealing portion 20, specifically, a portion of the first sealing portion 20 that conforms to the contour of the frame to avoid the area under the a-pillar and the C-pillar. As a preferred embodiment of the present invention, the non-linear portion 21 is a portion along the edge position of the front and rear wheels of the frame, which is arranged along the front/rear wheel contour trend of the frame.

As shown in fig. 5, the dotted line portion is a position where the conventional door straight weather strip 15 is located, specifically, a straight position below the a pillar of the front door. The shape and position of the conventional linear weatherstrip 15 is specific because the dotted line is the mounting position of the door 50 where the door 50 is hingedly attached to the frame. In order to make the door 50 airtight with the vehicle frame when closed, a linear weather strip needs to be provided at a dotted line position on the vehicle frame, the linear weather strip is selected because the door 50 is linear at the position, and the position below the a-pillar is selected because the position is the installation position of the door 50, so the shape and the position of the conventional linear weather strip are structurally limited.

However, in the case where the door 50 (front door or rear door) is opened in a translational or sliding manner, the conventional linear weather strip interferes with the opening and closing of the door 50. Referring to fig. 6, when the linear weatherstrip is present under the a-pillar, it is called "visible a-pillar", and when the door 50 is moved in a translational/sliding manner from the closed position to the open position 50', the linear weatherstrip is just on the translational/sliding track of the door 50, and thus interference occurs between the two.

Fig. 7 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 5. Referring to fig. 7, the non-linear portion 21 may avoid the area under the a-pillar of the vehicle and instead follow the contour of the frame, particularly along the contour of the front wheel, thereby forming an "invisible a-pillar" as shown in fig. 7 (there is no visible a-pillar molding on the body in the position under the sill), i.e., there is no weather strip under the a-pillar, so that the non-linear portion 21 and the door 50 do not interfere when the door 50 is opened or closed in a translational/sliding manner.

Similarly, the non-linear portion 21 may also enable the back door to be opened in a translational or sliding manner, and the back door does not interfere with the non-linear portion 21, which is not described herein again.

It will be appreciated by those skilled in the art that the non-linear portion 21 of the present invention is particularly designed for doors 50 that open in a translation/sliding manner, particularly for doors 50 that are of the type without a B-pillar and that open in a translation/sliding manner at the front door. In this application scenario, after the front door is opened by translation/sliding, a part of the front door inevitably moves to the vicinity of the front hood of the locomotive over the a-pillar, and at this time, the door panel of the front door covers the a-pillar area of the automobile. In order not to interfere, the shape of the conventional linear sealing strip must be changed.

Fig. 8 is a sectional view in the direction B-B in fig. 4. Referring to fig. 8, the second sealing portion 30 mainly includes a sealing lip 31, a sealing bubble 32, a holding structure 34, an embedded skeleton 33, and a decoration lip 35.

The second sealing portion 30 is fixed to the frame door 51 mainly by the embedded type skeleton 33. The embedded frame 33 is embedded inside the second sealing portion 30, has a concave structure, and is sleeved on the edge of the frame door frame 51 through the concave opening position, so as to fix the second sealing portion 30.

The holding structure 34 is disposed inside the recessed structure of the embedded frame 33, and is abutted against the frame door 51 to provide a stable effect. As a preferred embodiment of the present invention, the holding structure 34 is a semicircular member, the arc surface of which faces the opening of the recessed shape of the embedded skeleton 33, and the plane of which faces the inner side of the recessed shape.

With continued reference to fig. 8, a sealing lip 31 is provided at the outer edge of in-line frame 33 and frame door 51. Sealing lip 31 is substantially drop-shaped and is elastically deformed from an initial position to a final position 31' upon assembly. The sealing bubble 32 is disposed outside the embedded frame 33 and pressed against the sealing lip 31 at the final position 31', so as to provide a larger pre-tightening force, and the sealing bubble 32 is elastically deformed by the door 50 when the door 50 is closed. For ordinary door, the translation door has bigger shake under the closed condition, consequently the utility model discloses a sealing lip limit 31 and the such sealing strip section setting of sealed bubble 32 can provide bigger sealing force, have avoided the abnormal sound problem that the shake brought.

As shown in fig. 8, a decorative lip 35 is disposed between the outer side of the embedded frame 33 and the sealing bulb 32, the outer side of the decorative lip 35 is arc-shaped, and the inner side of the decorative lip 35 is linear, and the inner side of the decorative lip and the outer side of the embedded frame 33 form a space, i.e., a receiving groove, in which the vehicle body interior 36 can be inserted.

Fig. 9 is a cross-sectional view taken along the direction C-C in fig. 4, and the structure is the same as and a mirror image of the structure in fig. 8, and therefore, the description thereof is omitted.

Fig. 10 is a schematic view of the structure of a third sealing portion 40 provided between the front door and the rear door for filling a gap generated when the front door and the rear door are closed. Referring to fig. 10, the front door has a sheet metal structure, and is mainly composed of a front door outer sheet metal 52, a front door inner sheet metal 53, and a front door sheet metal reinforcement plate 54. The front door outer metal plate 52 forms the outer side of the front door, that is, the side facing the outside of the car, the front door inner metal plate 53 forms the inner side of the front door, that is, the side facing the car, and the front door metal plate reinforcing plate 54 forms the rear side edge of the front door, that is, the side facing the rear door. The tip of the front door outer sheet metal 52 has a rearwardly facing projection which is the portion of the outer side of the front door that contacts the rear door.

Similarly, the rear door is of a sheet metal structure and mainly comprises a rear door outer sheet metal 55, a rear door inner sheet metal 56 and a rear door sheet metal reinforcing sheet metal 57. The rear door outer metal plate 55 forms the outer side of the rear door, i.e., the side facing the outside of the car, the rear door inner metal plate 56 forms the inner side of the rear door, i.e., the side facing the car, and the rear door metal plate reinforcing metal plate 57 forms the front side of the rear door, i.e., the side facing the front door. The rear door inner metal plate 56 has a forward-facing projection at its distal end, which is a portion of the rear door inner side that contacts the front door.

With continued reference to FIG. 10, the third seal 40 includes a front door rear side central inner seal 41 and a rear door front side central outer seal 42 at a location between the front and rear doors. The center inner seal part 41 is mounted on the inner side of the front door near the boundary area of the front door inner metal plate 53 and the front door metal plate reinforcing plate 54, and the center outer seal part 42 is mounted on the outer side of the rear door near the boundary area of the rear door outer metal plate 55 and the rear door metal plate reinforcing plate 57.

Referring to fig. 10 to 13, the central inner seal portion 41 includes a front door elastic fixing ring 43 and an elastic coupling groove 44. The front door elastic fixing ring 43 is ring-shaped and fixed on the inner side of the rear side of the front door and close to the junction area of the front door inner metal plate 53 and the front door metal plate reinforcing metal plate 54. The rear end of the front door elastic fixing ring 43 is connected with an elastic connecting groove 44, the elastic connecting groove 44 is provided with a notch (opening) facing the rear door, and the elastic connecting groove 44 is connected with a projection on the inner side of the front side of the rear door (namely, a projection at the tail end of the rear door inner metal plate 56) to play a role of sealing the inner sides of the front door and the rear door.

With continued reference to fig. 10-13, the center outer seal portion 42 includes a back door securing slot 45 and a back door deformation tab 46. The rear door fixing groove 45 is similar to the embedded frame 33 in structure, and is embedded and fixed at the outer edge of the front side of the rear door (i.e., the edge of the rear door outer metal plate 55). The rear door deformation piece 46 is mounted on the outer side of the rear door fixing groove 45 and located at the outer side edge of the front side edge of the rear door (namely, the edge of the rear door outer metal plate 55), and the rear door deformation piece 46 is attached to the rear side edge of the front door (namely, the protruding part at the tail end of the front door outer metal plate 52) when the front door and the rear door are folded, so that the effect of sealing the outer sides of the front door and the rear door is achieved.

The utility model discloses a setting of third sealing part 40 has adopted different seal structure respectively to seal from the inboard of qianmen and back door, the outside, and the special structure of qianmen, back door of not only laminating no B post car type has also played the effect of dual fail-safe. In addition, for the mode of opening the door that does not have B post door 50 adoption translation or slide, the utility model discloses a door 50 does not have seal part (sealing strip or sealed piece) to the translation of this adaptation no B post car or the mode of opening the door that slides.

Referring to fig. 14-15, in the B-pillar free car type translational door opening mode using the four-bar linkage 58, the rear door can be opened alone with the front door closed, and the rear door opening row Cheng Ru is shown in fig. 11-13:

stroke 1, as shown by circle 1 in fig. 11, the front edge of the rear door rotates inward by an angle;

stroke 2, as indicated by circle 2 in FIG. 11, the rear door opens the door 50 at 75 degrees from horizontal.

In order to meet the specific opening mode of the rear door, as shown in fig. 12, the inner side of the rear side of the front door is provided with an installation surface, and an included angle between the installation surface and a matching surface is about 45-60 degrees (namely, an included angle between the installation surface and the opening direction of the elastic connecting groove 44 is 45-60 degrees), so that under the condition that effective sealing can be guaranteed, the rear door is subjected to excessive interference with a front door sheet metal in the independent opening process, and a sealing strip is abraded.

Furthermore, as shown in fig. 13, in order that the rear door can be opened alone, the rear door deformation piece has a safety clearance which is attached between the front door and the rear door when the front door and the rear door are closed, and the safety clearance is more than 5mm, namely, the safety clearance c between the envelope of the front edge of the rear door and the rear edge of the closed state of the front door is more than 5mm. At this time, the distance between the innermost edge of the rear door fixing groove 45 and the outermost edge of the rear door deformation piece 46 is not less than 20mm, and the distance between the foremost end of the rear door fixing groove 45 and the rearmost end of the rear door deformation piece 46 is not more than 18mm, i.e., it is required that the size of the mark a (composed of two distances a1 and a 2) is as large as possible (e.g., 20 mm), and the size of the mark b is as small as possible (e.g., 18 mm), and it is recommended that a: b is greater than 1. In practice, the size of a2 is increased as much as possible to increase the ratio.

As a second aspect of the present invention, the present invention also discloses an automobile using the above door sealing structure, which is not repeated herein.

To sum up, the utility model discloses except above-mentioned technological effect, can also bring following technical advantage at least:

1. the utility model is not affected by the fixing form of the first sealing, the first sealing can be fixed by a buckle, can be fixed by an adhesive tape, and can also be directly fixed on the flange edge of the vehicle body by a sealing strip with a metal framework;

2. the utility model is not affected by the arrangement position of the vehicle door swing mechanism, and can be arranged on the doorsill, the vehicle roof, and the connection point of the vehicle body can be arranged in the door opening or outside the door opening;

3. the utility model is not affected by the supply form of the first sealing strip, and can supply goods in a whole circle or be divided into a plurality of bulk goods;

4. the utility model is not affected by the installation mode and position of the B-column sealing strip, and emphasizes that the upper part and the lower part of the B-column outer sealing strip are connected with the first sealing strip; the upper and lower sealing strips in the B column are connected with a second sealing strip.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides a door seal structure, includes frame, qianmen, back door, first sealing, second sealing and third sealing, its characterized in that:

the first sealing portion is arranged along the frame door seam, is in an integral ring shape, and comprises a non-linear portion below at least one of an A column and a C column of the frame, and the non-linear portion is fit with the contour of the frame to avoid the area below the A column and the C column;

the second sealing part is positioned at the inner side of the first sealing part, is arranged along the frame door frame and is in an integral annular shape, and the second sealing part is closer to the cabin in the frame relative to the first sealing part;

the third seal portion includes a center inner seal portion at the rear side of the front door and a center outer seal portion at the front side of the rear door.

2. The vehicle door sealing structure according to claim 1, wherein the non-linear portion is a portion of the first sealing portion at a position along an edge of a front wheel and a rear wheel of the vehicle frame;

the nonlinear part enables the front door not to interfere with the nonlinear part when the front door is opened in a translational or sliding mode;

3. The vehicle door seal structure of claim 1, wherein the second seal portion comprises a sealing lip, a sealing bulb, a retaining structure, an in-line skeleton, a trim lip, and a vehicle body trim, wherein:

4. The vehicle door seal structure according to claim 1, wherein the center inner seal portion includes a front door elastic fixing ring and an elastic coupling groove;

the opening direction of elastic connection groove is towards back door position, just elastic connection groove is connected with the inboard bulge of back door front side.

5. The vehicle door seal structure according to claim 1, wherein the center outer seal portion includes a rear door fixing groove and a rear door deformation piece;

the rear door deformation piece is installed on the outer side of the rear door fixing groove and located on the outer side edge of the front side edge of the rear door, and the rear door deformation piece is attached to the rear side edge of the front door when the front door and the rear door are closed.

6. A door seal structure, includes first seal part, its characterized in that:

the first sealing portion is disposed along the frame seam and is generally annular in shape, and the first sealing portion includes a non-linear portion below at least one of the A-pillar and the C-pillar of the frame that conforms to the contour of the frame to avoid an area below the A-pillar and the C-pillar.

7. The vehicle door sealing structure according to claim 6, wherein the non-linear portion is a portion of the first sealing portion at a position along an edge of a front wheel and a rear wheel of the vehicle frame;

8. A door seal structure, includes second seal part, its characterized in that:

9. The vehicle door seal structure of claim 8, wherein the second seal portion further comprises a trim lip and a body trim, wherein:

10. A kind of car door hermetically-sealed construction, including the third seal part, characterized by:

the central outer sealing part comprises a rear door fixing groove and a rear door deformation sheet; the rear door fixing groove is embedded and fixed at the outer side edge of the front side edge of the rear door; the rear door deformation sheet is installed on the outer side of the rear door fixing groove and located on the outer side edge of the front side edge of the rear door, and the rear door deformation sheet is attached to the rear side edge of the front door when the front door and the rear door are closed.

11. The door seal structure of claim 10, characterized in that the inner side of the rear side of the front door has a mounting surface, and the angle between the mounting surface and the opening direction of the elastic connecting groove is 45-60 degrees;