Sealing structure of B-pillar-free vehicle body and vehicle

Abstract

The utility model relates to a sealing structure of a B-pillar-free vehicle body and a vehicle. The sealing structure of the B-pillar-free vehicle body comprises a vehicle body shell, and a front vehicle door and a rear vehicle door are connected to the vehicle body shell; the protection plate structure comprises a front door protection plate and a rear door protection plate, the front door protection plate is arranged on the front vehicle door, and the rear door protection plate is arranged on the rear vehicle door; and the door opening sealing strip is arranged on the rear door protection plate, the door opening sealing strip is matched with the front door protection plate, and the door opening sealing strip is used for sealing the matching position of the front vehicle door and the rear vehicle door. By the adoption of the technical means, the sealing performance is met, meanwhile, the original structures of the front vehicle door and the rear vehicle door do not need to be adjusted, and the beneficial effects of being high in universality and low in development cost are achieved; and moreover, the door opening sealing strip is directly arranged on the rear door protection plate, and the door opening sealing strip is directly matched with the front door protection plate to form sealing, so that the sealing performance can still be realized when the sealing structure is applied to the vehicle with the B-column-free vehicle body structure.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile design and manufacturing, in particular to a sealing structure of a body without a B-pillar and a vehicle. Background Art

[0002] With the continuous development of the automobile industry, people have higher and higher requirements for the comfort of automobile use, and B-pillar-free models have emerged. The doors of B-pillar-free models are also diversified, such as revolving doors and swing doors. However, most of the sealing strips of traditional doors are compressed in the width direction of the vehicle body to achieve the sealing effect of the whole vehicle. In the length direction of the vehicle body, especially in the B-pillar-free models, the sealing effect of the connection between the front door and the rear door is weak.

[0003] At present, the existing B-pillar-free body sealing structure has a water-guiding sealing strip structure set at the top of the B-pillar position of the body. The water-guiding sealing strip structure can guide the accumulated water on the top door opening sealing strip at the B-pillar position of the body into the sealing strip bubble tube, and discharge the water out of the car through the drainage hole at the bottom of the sealing strip. Although the problem of discharging accumulated water at the B-pillar position is solved, the sealing problem between the front door and the rear door is not solved, and the sealing performance between the front and rear doors at the B-pillar position cannot be ensured, and there is a risk of water leakage at the B-pillar position; moreover, the existing B-pillar-free body sealing solution usually sets the sealing structure directly on the door sheet metal. Different models need to make changes to the door sheet metal structure according to the setting of the sealing structure, which has low universality and high development cost. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, one of the purposes of the present invention is to provide a sealing structure for a vehicle body without a B-pillar, which is used to solve the problem that the existing sealing solutions for vehicles without a B-pillar usually directly set the sealing structure on the door sheet metal, and different models need to change the door sheet metal structure according to the setting of the sealing structure, which has low versatility and high development cost. The second purpose is to provide a vehicle.

[0005] In order to achieve the above-mentioned object and other related objects, the utility model provides a sealing structure of a vehicle body without a B-pillar, comprising:

[0006] A vehicle body shell, wherein the vehicle body shell is provided with a door opening, wherein the vehicle body shell is connected with a front door and a rear door at the door opening, wherein the front door cooperates with the rear door to close the door opening;

[0007] A guard plate structure, comprising a front door guard plate and a rear door guard plate, wherein the front door guard plate is arranged on the front vehicle door, and the rear door guard plate is arranged on the rear vehicle door;

[0008] A door opening sealing strip is arranged on the rear door guard plate, the door opening sealing strip cooperates with the front door guard plate, and the door opening sealing strip is used to form a seal at the cooperation position between the front door and the rear door.

[0009] Optionally, the front door includes a front door inner panel and a front door outer panel, the front door inner panel is connected to the front door outer panel, the rear door includes a rear door inner panel and a rear door outer panel, the rear door inner panel is connected to the rear door outer panel, the front door guard panel is covered on the front door inner panel, and the rear door guard panel is covered on the rear door inner panel.

[0010] Optionally, a first clamping portion is provided on the rear door guard plate, and the door opening sealing strip includes a first clamping body and a bubble tube, an elastic deformation space is formed between the first clamping body and the bubble tube, the first clamping body is clamped and matched with the first clamping portion, and the bubble tube is squeezed and matched with the front door guard plate to form a seal at the matching position of the front door and the rear door.

[0011] Optionally, a first cavity is formed between the front door guard plate and the front door inner panel, and a second cavity is formed between the rear door guard plate and the rear door inner panel. A first reinforcement structure is provided on the front door guard plate in the first cavity, and a second reinforcement structure is provided on the rear door guard plate in the second cavity.

[0012] Optionally, the first reinforcement structure and the second reinforcement structure each include at least one reinforcement plate distributed along the height direction of the vehicle body shell.

[0013] Optionally, a first sealing lip is provided on the front door guard plate, and the first sealing lip is pressed and overlapped with the front door inner panel to seal the first cavity.

[0014] Optionally, the rear door guard plate is provided with an avoidance groove recessed toward the second cavity.

[0015] Optionally, a second clamping portion is formed at the connection between the rear door inner panel and the rear door outer panel, a seam strip is clamped on the second clamping portion, and the seam strip is used to form a seal at the matching position of the front door and the rear door.

[0016] Optionally, the seam strip includes a second clip-on body and a second sealing lip, the second clip-on body is clip-fitted with the second clip-on portion, and the second sealing lip is used to be pressed and overlapped at the connection between the front door inner panel and the front door outer panel to seal the front door and the rear door at the mating position.

[0017] A vehicle comprises the sealing structure of the vehicle body without a B-pillar as described above.

[0018] As described above, the utility model has the following beneficial effects: the present application sets a front door guard plate on the front door, sets a rear door guard plate on the rear door, and sets a door opening sealing strip on the rear door guard plate. While the front door and the rear door cooperate to close the door opening of the car, the door opening sealing strip cooperates with the front door guard plate to achieve sealing of the front door and the rear door at the matching position, thereby meeting the air tightness and water tightness requirements of the vehicle body; through the above-mentioned technical means, while meeting the sealing performance, there is no need to adjust the original structure of the front door and the rear door, and the universalization requirements can be met, which has the beneficial effects of high universality and low development cost; and, since the door opening sealing strip is directly set on the rear door guard plate, the door opening sealing strip directly cooperates with the front door guard plate to form a seal, so that the present application can be applied to a vehicle without a B-pillar body structure and still achieve sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a schematic diagram of the structure of a vehicle shown in an embodiment of the present application;

[0020] Figure 2 Display as Figure 1 Schematic diagram of the AA section.

[0021] Description of Reference Numerals

[0022] Vehicle body shell 1, front door 2, front door inner panel 201, front door outer panel 202, rear door 3, rear door inner panel 301, rear door outer panel 302, front door guard plate 4, first sealing lip 401, rear door guard plate 5, first clamping part 501, avoidance groove 502, door opening sealing strip 6, first clamping body 601, bubble tube 602, first cavity 7, second cavity 8, first reinforcement structure 9, second reinforcement structure 10, second clamping part 11, seam strip 12, second clamping body 1201, second sealing lip 1202. DETAILED DESCRIPTION

[0023] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0024] See also Figure 1 to Figure 2. It should be noted that the illustrations provided in this embodiment only illustrate the basic concept of the utility model in a schematic manner, so the diagram only shows the components related to the utility model rather than being drawn according to the number, shape and size of the components during actual implementation. During actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated. The structure, proportion, size, etc. illustrated in the drawings attached to this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions for the implementation of the utility model, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the utility model without affecting the effect and purpose that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of the implementation of the present utility model without substantially changing the technical content.

[0025] Before describing the embodiments of the utility model in detail, the application environment of the utility model is described first. The technology of the utility model is mainly applied to the field of automobile design and manufacturing technology. The utility model is used to solve the existing B-pillar-free body sealing solution, which usually sets the sealing structure directly on the door sheet metal. Different car models need to change the door sheet metal structure according to the setting of the sealing structure, which has low versatility and high development cost.

[0026] Please combine Figure 1 to Figure 2 As shown, the utility model provides a sealing structure of a vehicle body without a B-pillar.

[0027] In an exemplary embodiment of the present application, a sealing structure of a vehicle body without a B-pillar includes: a vehicle body shell 1, a door opening is provided on the vehicle body shell 1, a front door 2 and a rear door 3 are connected to the vehicle body shell 1 at the door opening, and the front door 2 and the rear door 3 cooperate to close the door opening; a guard plate structure, including a front door guard plate 4 and a rear door guard plate 5, the front door guard plate 4 is arranged on the front door 2, and the rear door guard plate 5 is arranged on the rear door 3; a door opening sealing strip 6 is arranged on the rear door guard plate 5, the door opening sealing strip 6 cooperates with the front door guard plate 4, and the door opening sealing strip 6 is used to form a seal at the cooperation position of the front door 2 and the rear door 3.

[0028] In this embodiment, by arranging a front door guard plate 4 on the front door 2, arranging a rear door guard plate 5 on the rear door 3, and arranging a door opening sealing strip 6 on the rear door guard plate 5, the front door 2 and the rear door 3 cooperate to close the door opening of the car, and the door opening sealing strip 6 is squeezed and matched with the front door guard plate 4 to achieve the sealing of the front door 2 and the rear door 3 at the matching position, thereby meeting the air tightness and water tightness requirements of the vehicle body; the above-mentioned technical means shown in the embodiment of the present application can meet the sealing performance without adjusting the original structure of the front door 2 and the rear door 3, and can meet the universal requirements, with the beneficial effects of high universality and low development cost; and, since the door opening sealing strip 6 is directly arranged on the rear door guard plate 5, the door opening The sealing strip 6 is directly squeezed and cooperated with the front door guard plate 4 to form a seal, so that the present application can still achieve sealing performance when applied to a vehicle with a body structure without a B-pillar; in a vehicle with double doors without a B-pillar, when the rear door 3 is opened by sliding alone along the length direction of the vehicle toward the rear of the vehicle, the door opening sealing strip 6 located on the rear door guard plate 5 moves away from the front door guard plate 4 toward the rear of the vehicle, and there is no interference between the door opening sealing strip 6 and the front door guard plate 4, and the front door guard plate 4 will not be scratched, which can effectively improve the service life of the door opening sealing strip 6; the present application can meet the condition of opening the rear door 3 alone by setting the front door guard plate 4 and the rear door guard plate 5, and effectively improves the feasibility of double doors.

[0029] In an exemplary embodiment of the present application, the front door 2 includes a front door inner panel 201 and a front door outer panel 202, the front door inner panel 201 is connected to the front door outer panel 202, the rear door 3 includes a rear door inner panel 301 and a rear door outer panel 302, the rear door inner panel 301 is connected to the rear door outer panel 302, the front door guard panel 4 is covered on the front door inner panel 201, and the rear door guard panel 5 is covered on the rear door inner panel 301.

[0030] In this embodiment, the front door inner panel 201 and the front door outer panel 202 are welded by edge wrapping, and the rear door inner panel 301 and the rear door outer panel 302 are welded by edge wrapping. The front door guard plate 4 is provided with a vertical wall surface for extrusion-matching with the door opening sealing strip 6, and the door opening sealing strip 6 is arranged on the rear door guard plate 5. In addition, since the front door guard plate 4 is covered and arranged on the front door inner panel 201, and the rear door guard plate 5 is covered and arranged on the rear door inner panel 301, the front door inner panel 201 and the rear door inner panel 301 do not need to consider the installation of the door opening sealing strip 6, and the door opening sealing strip 6 is not required to be extruded and matched. The sheet metal structure design that is extruded and fitted to form a seal allows the front door inner panel 201 and the rear door inner panel 301 to have sealing performance by adding the front door guard plate 4 and the rear door guard plate 5 on the basis of the original structure, which can meet the universal requirements of the platform and effectively reduce production costs; and because the front door inner panel 201 and the rear door inner panel 301 are not restricted by the installation and fitting of the door opening sealing strip 6, the draft angles of the front door inner panel 201 and the rear door inner panel 301 can be increased, the stamping performance can be optimized, the stamping performance of the door inner panel can be effectively improved, and the design of the door is convenient.

[0031] In an exemplary embodiment of the present application, a first clamping portion 501 is provided on the rear door guard plate 5, and the door opening sealing strip 6 includes a first clamping body 601 and a bubble tube 602, an elastic deformation space is formed between the first clamping body 601 and the bubble tube 602, the first clamping body 601 is clamped and matched with the first clamping portion 501, and the bubble tube 602 is squeezed and matched with the front door guard plate 4, so as to form a seal at the matching position of the front door 2 and the rear door 3.

[0032] In this embodiment, the first clamping portion 501 is a flange protruding along the vehicle length direction on the rear door guard plate 5, and the flange protrudes toward the vertical wall of the front door guard plate 4, the first clamping body 601 of the door opening sealing strip 6 is clamped with the flange, the first clamping body 601 is concavely matched with the first clamping portion 501, and an anti-slip barb structure is provided in the first clamping body 601, when the bubble tube 602 is squeezed and matched with the vertical wall of the front door guard plate 4, the bubble tube 602 compresses the deformable space, so that the bubble tube 602 is tightly matched with the front door guard plate 4, thereby meeting the air tightness and water tightness requirements of the front door 2 and the rear door 3 of the B-pillar-free vehicle body at the B-pillar position.

[0033] In an exemplary embodiment of the present application, a first cavity 7 is formed between the front door guard plate 4 and the front door inner panel 201, and a second cavity 8 is formed between the rear door guard plate 5 and the rear door inner panel 301. Located in the first cavity 7, a first reinforcement structure 9 is provided on the front door guard plate 4, and located in the second cavity 8, a second reinforcement structure 10 is provided on the rear door guard plate 5.

[0034] In the present embodiment, in order to ensure the sealing performance of the door opening sealing strip 6 and the front door guard plate 4 by extrusion fitting, the extrusion fitting surface of the front door guard plate 4 used for the door opening sealing strip 6 is designed as a vertical plane structure, and the side wall surface of the rear door guard plate 5 used for installing the door opening sealing strip 6 is designed as a vertical plane. A raised first clamping portion 501 is designed on the vertical plane structure of the rear door guard plate 5 for clamping the door opening sealing strip 6, which effectively reduces the distance between the front door guard plate 4 and the rear door guard plate 5 at the sealing position, thereby ensuring the extrusion sealing performance of the door opening sealing strip 6 and the front door guard plate 4; since the front door inner panel 201 and the rear door inner panel 301 adopt a stamping forming process, in order to facilitate demolding, it is necessary to design an inclined wall surface to meet the draft angle requirement for demolding, there is no contact between the vertical wall surface of the front door guard plate 4 and the inclined wall surface of the front door inner panel 201, so as to form a first cavity 7, and the vertical wall surface of the rear door guard plate 5 There is no contact between the wall surface and the inclined wall surface of the rear door inner panel 301, forming a second cavity 8; since the door opening sealing strip 6 and the front door guard plate 4 are sealed by extrusion, considering that the front door guard plate 4 and the rear door guard plate 5 may cause structural deformation due to large extrusion pressure or long-term use, resulting in problems such as insufficient sealing pressure and loose sealing, therefore, the spatial environment of the first cavity 7 and the second cavity 8 is fully utilized, and a first reinforcing structure 9 is set on the front door guard plate 4 to support the front door guard plate 4, and a second reinforcing structure 10 is set on the rear door guard plate 5 to support the rear door guard plate 5, thereby effectively improving the structural strength of the front door guard plate 4 and the rear door guard plate 5, making the structure of the front door guard plate 4 and the rear door guard plate 5 more stable, thereby effectively avoiding the front door guard plate 4 or the rear door guard plate 5 from being squeezed and deformed, resulting in problems such as insufficient sealing pressure and loose sealing.

[0035] In an exemplary embodiment of the present application, the first reinforcement structure 9 and the second reinforcement structure 10 each include at least one reinforcement plate distributed along the height direction of the vehicle body shell 1 .

[0036] In this embodiment, the first reinforcement structure 9 and the second reinforcement structure 10 adopt a sheet-like reinforcement plate structure, which can improve the strength of the guard plate structure while being as lightweight as possible, reducing the weight of the entire vehicle and meeting the lightweight requirements of the vehicle body; the first reinforcement structure 9 and the second reinforcement structure 10 shown in the embodiment of the present application both include three reinforcement plates spaced apart along the height direction of the vehicle body on the front door guard plate 4 and the rear door guard plate 5. The number of reinforcement plates can be increased or decreased according to the extrusion pressure requirements of the sealing structure to ensure the structural strength of the front door guard plate 4 and the rear door guard plate 5.

[0037] In an exemplary embodiment of the present application, a first sealing lip 401 is provided on the front door guard plate 4 , and the first sealing lip 401 is pressed and overlapped with the front door inner plate 201 to seal the first cavity 7 .

[0038] In this embodiment, the front door guard plate 4 is a vertical wall surface used for extrusion-matching with the door opening sealing strip 6, and a first sealing lip 401 is provided near the edge welding position of the front door inner panel 201 and the front door outer panel 202. The first sealing lip 401 is pressed and overlapped with the edge welding position of the front door inner panel 201 and the front door outer panel 202, thereby strengthening the sealing performance between the front door guard plate 4 and the front door inner panel 201, and further improving the sealing performance of the structure.

[0039] In an exemplary embodiment of the present application, an avoidance groove 502 which is recessed toward the second cavity 8 is provided on the rear door guard plate 5 .

[0040] In this embodiment, the avoidance groove 502 recessed toward the second cavity 8 is arranged on the rear door guard plate 5, which reduces the contact area between the rear door guard plate 5 and the front door guard plate 4, and increases the distance between the rear door guard plate 5 and the front door guard plate 4 at the position of the avoidance groove 502, thereby reducing the risk of scratching and deformation between the rear door guard plate 5 and the front door guard plate 4, and further reducing the risk of extrusion sealing failure between the door opening sealing strip 6 and the front door guard plate 4, thereby ensuring the sealing performance of the door opening sealing strip 6 and the front door guard plate 4.

[0041] In an exemplary embodiment of the present application, a second clamping portion 11 is formed at the connection between the rear door inner panel 301 and the rear door outer panel 302 , and a seam strip 12 is clamped on the second clamping portion 11 . The seam strip 12 is used to form a seal at the matching position of the front door 2 and the rear door 3 .

[0042] In this embodiment, the edge welding position of the rear door inner panel 301 and the rear door outer panel 302 is closer to the inside of the vehicle body 1 along the width direction of the vehicle body than the edge welding position of the front door inner panel 201 and the front door outer panel 202, and a raised second clamping portion 11 is formed at the edge welding position of the rear door inner panel 301 and the rear door outer panel 302, and the seam strip 12 is matched with the second clamping portion 11 in a concave-convex manner, and the seam strip 12 is pressed and overlapped with the edge welding position of the front door inner panel 201 and the front door outer panel 202 to form a second layer of sealing structure, which further improves the sealing effect, further isolates the interior and exterior environments of the vehicle, and improves the quietness requirements of the drivers and passengers in the vehicle.

[0043] In an exemplary embodiment of the present application, the seam strip 12 includes a second clip-on body 1201 and a second sealing lip 1202. The second clip-on body 1201 is clip-fitted with the second clip-on portion 11. The second sealing lip 1202 is used to be pressed and overlapped at the connection between the front door inner panel 201 and the front door outer panel 202 to seal the front door 2 and the rear door 3 at the mating position.

[0044] In this embodiment, the seam strip 12 is pressed and overlapped with the edge welding parts of the front door inner panel 201 and the front door outer panel 202 through the provided second sealing lip 1202. The sealing lip has a certain deformation ability. The sealing lip can be deformed and sealed when the vehicle door is closed, and will not deform excessively. It can provide effective sealing when the vehicle door is closed, and will not cause leakage or looseness. The sealing lip can deform and recover when the vehicle door is opened.

[0045] The present application also proposes a vehicle, comprising the B-pillar-free body sealing structure as described above.

[0046] The working principle is that the front door guard plate 4 is covered on the front door inner panel 201, the rear door guard plate 5 is covered on the rear door inner panel 301, and the door opening sealing strip 6 is arranged on the rear door guard plate 5, and the door opening sealing strip 6 and the front door guard plate 4 are pressed and sealed; so that the body structure can still meet the sealing requirements in the absence of a B-pillar; the sealing is achieved by the front door guard plate 4 and the door opening sealing strip 6 arranged on the rear door guard plate 5, and there is no need to arrange the door opening sealing strip 6 on the inner panel, so there is no need to 1 and the original structure of the rear door inner panel 301 can be adjusted to meet the platform universalization requirements and reduce production costs; at the same time, the stamping draft angle of the front door inner panel 201 and the rear door inner panel 301 can be increased, thereby improving the stamping performance of the inner panel; in the double-door, the rear door 3 is opened by sliding toward the rear direction of the vehicle, and the door opening sealing strip 6 is away from the side wall of the front door guard plate 4 toward the rear direction of the vehicle, and will not be scratched on the front door guard plate 4, which can effectively increase the service life of the door opening sealing strip 6 and meet the requirements of the rear door alone. The opening condition improves the feasibility of opening the car door; the first sealing lip 401 is arranged on the front door guard plate 4 and the front door inner plate 201 and the front door outer plate 202 are pressed and overlapped at the edge welding position to strengthen the sealing performance between the front door guard plate 4 and the front door inner plate 201; the first reinforcement structure 9 is arranged on the front door guard plate 4 and the second reinforcement structure 10 is arranged on the rear door guard plate 5 to improve the structural strength of the guard plate, avoid structural deformation of the guard plate, and further ensure the extrusion seal between the door opening sealing strip 6 and the front door guard plate 4 Performance; the first reinforcement structure 9 and the second reinforcement structure 10 adopt the structural form of a sheet reinforcement plate to ensure the strength of the guard plate structure while meeting the lightweight requirements of the vehicle body; a seam strip 12 is provided at the edge welding position of the rear door inner panel 301 and the rear door outer panel 302, and the second sealing lip 1202 on the seam strip 12 is pressed and overlapped with the edge welding position of the front door inner panel 201 and the front door guard plate 4 to form a second layer of sealing, thereby further improving the sealing performance and meeting the quietness requirements of the drivers and passengers in the vehicle.

[0047] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A sealing structure for a vehicle body without a B-pillar, characterized in that: include: A vehicle body shell, wherein the vehicle body shell is provided with a door opening, wherein the vehicle body shell is connected with a front door and a rear door at the door opening, wherein the front door cooperates with the rear door to close the door opening; A guard plate structure, comprising a front door guard plate and a rear door guard plate, wherein the front door guard plate is arranged on the front vehicle door, and the rear door guard plate is arranged on the rear vehicle door; A door opening sealing strip is arranged on the rear door guard plate, the door opening sealing strip cooperates with the front door guard plate, and the door opening sealing strip is used to form a seal at the cooperation position between the front door and the rear door.

2. The sealing structure of a vehicle body without a B-pillar according to claim 1, characterized in that: The front door includes a front door inner panel and a front door outer panel, the front door inner panel is connected to the front door outer panel, the rear door includes a rear door inner panel and a rear door outer panel, the rear door inner panel is connected to the rear door outer panel, the front door guard panel is covered on the front door inner panel, and the rear door guard panel is covered on the rear door inner panel.

3. The sealing structure of a vehicle body without a B-pillar according to claim 2, characterized in that: The rear door guard plate is provided with a first clamping portion, and the door opening sealing strip includes a first clamping body and a bubble tube, an elastic deformation space is formed between the first clamping body and the bubble tube, the first clamping body is clamped and matched with the first clamping portion, and the bubble tube is squeezed and matched with the front door guard plate to form a seal at the matching position of the front door and the rear door.

4. The sealing structure of a vehicle body without a B-pillar according to claim 2, characterized in that: A first cavity is formed between the front door guard plate and the front door inner plate, and a second cavity is formed between the rear door guard plate and the rear door inner plate. A first reinforcement structure is provided on the front door guard plate in the first cavity, and a second reinforcement structure is provided on the rear door guard plate in the second cavity.

5. The sealing structure of a vehicle body without a B-pillar according to claim 4, characterized in that: The first reinforcement structure and the second reinforcement structure each include at least one reinforcement plate distributed along the height direction of the vehicle body shell.

6. The sealing structure of a vehicle body without a B-pillar according to claim 4, characterized in that: The front door guard plate is provided with a first sealing lip, and the first sealing lip is pressed and overlapped with the front door inner plate to seal the first cavity.

7. The sealing structure of a vehicle body without a B-pillar according to claim 4, characterized in that: The rear door guard plate is provided with an avoidance groove which is recessed toward the second cavity.

8. The sealing structure of a vehicle body without a B-pillar according to claim 2, characterized in that: A second clamping portion is formed at the connection between the rear door inner panel and the rear door outer panel, and a seam strip is clamped on the second clamping portion. The seam strip is used to form a seal at the matching position of the front door and the rear door.

9. The sealing structure of a vehicle body without a B-pillar according to claim 8, characterized in that: The seam strip includes a second clamping body and a second sealing lip, wherein the second clamping body is clamped and matched with the second clamping part, and the second sealing lip is used to be pressed and overlapped with the connection between the front door inner panel and the front door outer panel to seal the front door and the rear door at the matching position.

10. A vehicle, characterized in that: The invention comprises a sealing structure for a vehicle body without a B-pillar as claimed in any one of claims 1 to 9.

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