Automobile bottom integrated structure and automobile
By setting an inverted plate and a sloping bottom edge plate at the connection between the bumper and the underbody protection plate, the threaded parts are hidden, solving the problem of exposed screw heads, improving the quality of the vehicle and increasing production efficiency.
Patent Information
- Application Number
- CN202520162319.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The screw heads at the connection between the bumper and the underbody protection plate are exposed, affecting the vehicle's overall quality.
Design an integrated structure for the undercarriage of a vehicle, in which the inverted plate of the bumper forms a certain angle with the bottom edge plate, and the bottom edge plate covers the threaded parts, making the threaded parts difficult to see. The inclination between the inverted plate and the bottom edge plate creates a height difference to hide the threaded parts.
It effectively conceals threaded parts, enhances the overall quality of the vehicle, avoids the visual impact caused by exposed threaded parts, and improves production efficiency and material utilization.
Smart Images
Figure CN223803526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field, especially a kind of car bottom integrated structure and car. BACKGROUND
[0002] At the bottom of vehicle, the bumper of vehicle and bottom guard plate are usually connected by screw, and the screw is inserted from the bottom of vehicle to the inside of vehicle, and the connection of bumper and bottom guard plate needs to use multiple screws, and after installation, multiple screw heads are exposed at the bottom of bumper, and when the car climbs or the person bends over to observe the car head, the screw head is easily exposed in the field of vision of the person, so that the impression left by the vehicle has cheap feeling, which affects the texture of the vehicle.
[0003] Therefore, the utility model provides a kind of car bottom integrated structure and car to solve or at least alleviate the above technical problems. SUMMARY
[0004] The utility model discloses a kind of car bottom integrated structure and car, to solve the technical problem that the connection screw of bumper and bottom guard plate of car bottom is exposed, affects the texture of whole vehicle.
[0005] To achieve the above object, the utility model provides a kind of car bottom integrated structure, comprising:
[0006] bumper, the bumper includes main body, reverse buckle plate and connecting portion, the main body includes bottom edge plate, the two sides of the reverse buckle plate are connected with the bottom edge plate and the connecting portion, the connecting portion is provided with first through-hole;
[0007] bottom guard plate, the bottom guard plate is provided with second through-hole corresponding to the first through-hole;
[0008] threaded part, the threaded part is simultaneously provided in the first through-hole and the second through-hole;
[0009] In vertical direction, the connecting portion is close to the bottom guard plate, and the bottom edge plate is away from the bottom guard plate, so that the reverse buckle plate is inclined to set, and the bottom edge plate is used to block the line of sight of human eye looking at the threaded part.
[0010] In an embodiment, the reverse buckle plate and the plane where the bottom edge plate is located are provided with an included angle θ, and the θ satisfies: 10°≤θ≤30°.
[0011] In an embodiment, define: the length of the reverse buckle plate is L, the width is A, and the thickness is B;
[0012] The width direction of the reverse buckle plate is parallel to the length direction of the bumper;
[0013] The L, A and B satisfy: 10mm≤L≤20mm, 20mm≤A≤40mm, 1.4mm≤B≤3mm.
[0014] In an embodiment, the θ, L, A and B satisfy: θ=18°, L=15mm, A=2.2mm, B=30mm, respectively.
[0015] In an embodiment, the main body, the reverse buckle plate and the connecting part are integrally formed.
[0016] In an embodiment, the main body, the reverse buckle plate and the connecting part are all polypropylene parts.
[0017] In an embodiment, the main body comprises an ejection surface arranged on a side of the main body facing the bottom guard plate, the ejection surface being arranged in abutment with a product ejection mechanism to eject the bumper from a mold.
[0018] In an embodiment, the threaded part comprises a buckle and a screw, the buckle comprising a base and a plurality of clamping claws mounted on the base, the clamping claws being arranged through the second through hole, each of the bases being arranged between the connecting part and the bottom guard plate, the base being provided with a threaded hole penetrating therethrough, the plurality of clamping claws surrounding to form an expansion space in communication with the threaded hole, the end of the screw sequentially penetrating through the first through hole, the threaded hole and the expansion space to make the clamping claws abut against the inner wall surface of the second through hole.
[0019] In an embodiment, the reverse buckle plate and the connecting part are arranged in plurality along the length direction of the bumper, the number of the threaded parts is same as that of the connecting parts, and the threaded parts are arranged in one-to-one correspondence with the connecting parts.
[0020] The utility model further provides a kind of automobile, it includes the vehicle bottom integrated structure as any one of above-mentioned embodiments, and the automobile further includes frame, and the main body and the bottom guard plate are all mounted on the frame.
[0021] According to the technical scheme provided by the utility model, the vehicle bottom integrated structure comprises a bumper, a bottom guard plate and a threaded part. The bumper comprises a main body, a reverse buckle plate and a connecting part. The main body comprises a bottom edge plate. The reverse buckle plate is connected with the bottom edge plate and the connecting part respectively. The connecting part is provided with a first through hole. The bottom guard plate is provided with a second through hole corresponding to the first through hole. The threaded part is arranged in the first through hole and the second through hole. In the vertical direction, the connecting part is arranged close to the bottom guard plate, and the bottom edge plate is arranged away from the bottom guard plate, so that the reverse buckle plate is arranged in an inclined manner, and the bottom edge plate is used for blocking the line of sight of the human eye to the threaded part. By arranging the inclined reverse buckle plate between the connecting part and the bottom edge plate, a certain height difference is formed between the connecting part and the bottom edge plate, so that the connecting part is recessed towards the inside of the vehicle as a whole, and the bottom edge plate can further shield the threaded part. When the line of sight of the human eye looks towards the vehicle bottom, the threaded part is difficult to be found by the human eye due to the shielding of the bottom edge plate, so that the threaded part does not affect the texture of the vehicle. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structure shown in the drawings without creative labor for those skilled in the art.
[0023] Figure 1 The structure schematic view of the bumper in the vehicle bottom integrated structure embodiment provided by the utility model is shown in the figure.
[0024] Figure 2 The cross-sectional structure schematic view of the vehicle bottom integrated structure embodiment provided by the utility model is shown in the figure.
[0025] Figure 3 The structure schematic view of the bumper when demoulding in the vehicle bottom integrated structure embodiment provided by the utility model is shown in the figure.
[0026] Figure 4 The cross-sectional structure schematic view of the traditional vehicle bottom integrated structure is shown in the figure.
[0027] Figure 5 The cross-sectional structure schematic view of the optimized vehicle bottom integrated structure is shown in the figure.
[0028] Explanation of reference numerals:
[0029] 100, vehicle bottom integrated structure;
[0030] 1, bumper; 11, main body; 111, bottom edge plate; 112, ejection surface; 12, reverse buckle plate; 13, connecting part; 131, first through hole;
[0031] 2, bottom guard plate;
[0032] 3, threaded member; 31, screw; 32, buckle; 321, base; 322, clamping jaw;
[0033] 200, product ejection mechanism;
[0034] 300, traditional integrated structure of vehicle bottom; 310, traditional bumper;
[0035] 400, optimized integrated structure of vehicle bottom; 410, conventional bumper; 420, adjusting support;
[0036] X, length direction; Y, vertical direction; LS, line of sight.
[0037] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0039] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.
[0040] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one feature. In addition, if "and / or" or "and / or" appears in the entire text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0041] At present, the automobile has gradually become one of the core tools for people's daily traffic. With the increasing improvement of consumer aesthetic standards, the appearance design of the automobile occupies a pivotal position in the automobile manufacturing process. In the process of appearance design, designers usually strive to improve the overall quality of the automobile, and ensure that every detail is fully considered and finely polished. However, in this series of designs, the integrated structure of the bumper and the underguard, which is located at the bottom of the vehicle body, is often not easily noticed by people. Therefore, in actual design practice, designers often have difficulty investing too much effort in designing this integrated structure in detail.
[0042] According to the applicant's observation and research, please refer to Figure 4 , in general, in the traditional integrated structure 300 at the bottom of the vehicle, the connection between the traditional bumper 310 and the underguard 2 mainly depends on the fixation of screws (threaded parts 3). These screws are installed from the bottom of the vehicle to the interior direction to ensure the stable connection between the traditional bumper 310 and the underguard. During the connection process, multiple screws are needed to ensure the close combination between the two. However, after installation, the heads of these screws are exposed to the bottom area of the traditional bumper 310. When the automobile is in an uphill state, or someone is crouching to observe the front of the vehicle, the screw heads are easy to enter the range of people's sight. This phenomenon not only destroys the integrity of the appearance of the vehicle, but also easily makes the vehicle give people a cheap and not delicate impression, thereby adversely affecting the quality of the vehicle.
[0043] In view of this, the utility model provides a vehicle bottom integrated structure to solve the above technical problems.
[0044] Please refer to Figures 1 to 3 , in an embodiment of the utility model, the vehicle bottom integrated structure 100 includes a bumper 1, an underguard 2 and a threaded part 3. Among them, the bumper 1 includes a main body 11, a reverse buckle plate 12 and a connecting part 13, the main body 11 includes a bottom edge plate 111, the two sides of the reverse buckle plate 12 are connected with the bottom edge plate 111 and the connecting part 13 respectively, and the connecting part 13 is provided with a first through hole 131;The underguard 2 is provided with a second through hole corresponding to the first through hole 131;The threaded part 3 is simultaneously provided in the first through hole 131 and the second through hole;Along the vertical direction Y, the connecting part 13 is arranged close to the underguard 2, and the bottom edge plate 111 is arranged away from the underguard 2, so that the reverse buckle plate 12 is arranged obliquely, and the bottom edge plate 111 is used to block the line of sight LS of the human eye looking at the threaded part 3.
[0045] Specifically, the main body 11 is arranged to extend along the length direction X, the reverse buckle plate 12 is arranged to be spaced apart along the length direction X, and the reverse buckle plate 12 and the connecting part 13 are arranged one by one. Among them, the reverse buckle plate 12 is used to be arranged obliquely to lift the connecting part 13, so that the threaded part 3 can be shielded by the bottom edge plate 111.
[0046] Please refer to Figure 5 , Figure 5 The bottom-optimized integrated structure 400 is provided with a conventional bumper 410 and an adjusting bracket 420, the mounting position height of the threaded part 3 is adjusted by the adjusting bracket 420, the threaded part 3 is hidden behind the conventional bumper 410, and the threaded part 3 is difficult to be directly observed by human eyes. The adjusting bracket 420 and the conventional bumper 410 are connected by adhesion or piercing welding. Compared with the scheme provided by the utility model, the overall performance of the bottom-optimized integrated structure 400 is obviously reduced, and in addition, the adjusting bracket 420 needs to be additionally manufactured and installed, thereby increasing the production cost.
[0047] The technical scheme provided by the embodiment is characterized in that the reverse buckle plate 12 with a specific inclination angle is arranged between the connecting part 13 and the bottom edge plate 111, and a height difference exists between the connecting part 13 and the bottom edge plate 111. The design causes the connecting part 13 to present a concave state in the direction of the vehicle interior. The bottom edge plate 111 can fully play the shielding function of the threaded part 3. When the line of sight LS of a person is directed towards the vehicle bottom, the threaded part 3 is shielded from the line of sight LS by the bottom edge plate 111 and is difficult to be directly observed. The arrangement effectively avoids the visual impact caused by the direct exposure of the threaded part 3, thereby avoiding the reduction of the overall quality of the vehicle.
[0048] In an embodiment of the utility model, the angle θ is arranged between the plane where the reverse buckle plate 12 and the bottom edge plate 111 are located, and θ satisfies: 10°≤θ≤30°. Please refer to Figure 2 And Figure 3 The angle θ is used to adjust the lifting height of the connecting part 13. In the case where the length of the reverse buckle plate 12 is constant, the greater the angle θ, the greater the height difference between the connecting part 13 and the bottom edge plate 111, and the easier the threaded part 3 is hidden. However, when the angle θ is too large, the demolding process of the bumper 1 will be affected, and even the bottom edge plate 111 and the reverse buckle plate 12 may be broken during demolding. Therefore, the angle θ should not be set too large. By setting the angle θ between 10° and 30°, the bumper 1 can play the role of hiding the threaded part 3 while avoiding the influence of the demolding process of the bumper 1.
[0049] Please refer to Figure 3In an embodiment of the utility model, define: the length of the undercut plate 12 is L, the width is A, and the thickness is B, the direction of the width of the undercut plate 12 is parallel with the length direction X of the bumper 1, L, A and B satisfy: 10mm≤L≤20mm, 20mm≤A≤40mm, 1.4mm≤B≤3mm. The length L of the undercut plate 12 is too long, can cause the overlapping area between the undercut plate 12 and the connecting portion 13 and the bottom guard plate 2 to increase, causes the waste of material, the length L of the undercut plate 12 is too short then can cause the lifting height of the connecting portion 13 to be too small, is not favorable to the hidden screw piece 3, therefore the length L of the undercut plate 12 is set to be between 10mm to 20mm in this embodiment, to avoid the waste of material under the premise of satisfying the function of the hidden screw piece 3. Meanwhile, the width A of the undercut plate 12 is set too long can cause the waste of material, the width A is set too short then is insufficient to support the connecting portion 13, causes the connection between the bumper 1 and the bottom guard plate 2 to be unstable, therefore the width A of the undercut plate 12 is set to be between 20mm to 40mm in this embodiment. In addition, to guarantee the structural strength of the undercut plate 12, avoid its being pulled apart in the demolding process, the thickness B of the undercut plate 12 is set to be between 1.4mm to 3mm in this embodiment. It is to be noted that the value of θ, L, A and B needs to be flexibly adjusted according to different vehicle model design requirements.
[0050] Specifically, in an embodiment of the utility model, θ, L, A and B satisfy: θ=18°, L=15mm, A=30mm, B=2.2mm respectively. According to the adjustment of the applicant's many times test, in this embodiment, please refer to Figure 2 With Figure 3 Set θ to 18°, the length L of the undercut plate 12 is set to 15mm, at this time the line of sight LS is just blocked by the bottom edge plate 111, and the human eye is difficult to directly find the screw piece 3 arranged at the bottom of the vehicle. Set the width A of the undercut plate 12 to 30mm, which can save materials while ensuring that the connecting portion 13 has sufficient support. Set the thickness B of the undercut plate 12 to 2.2mm, at this time the undercut plate 12 has a certain strength, can resist the force exerted on the undercut plate 12 by the product ejection mechanism 200 and the clamp during demolding, and avoid damage to the undercut plate 12 during demolding.
[0051] In an embodiment of the utility model, the main body 11, the reverse buckle plate 12 and the connecting part 13 are integrally formed, that is, the bumper 1 is integrally formed, in an embodiment, the main body 11, the reverse buckle plate 12 and the connecting part 13 are all polypropylene parts. When manufacturing, the bumper 1 is integrally injection molded by polypropylene (PP), thereby improving the integrity of the bumper 1, and further improving the safety during automobile driving. Meanwhile, integrally injection molding is also conducive to realizing rapid production and improving production efficiency. Moreover, polypropylene has the characteristics of light weight and high strength, which is conducive to reducing the overall weight of the bumper 1, and has good impact resistance, which can provide certain buffering effect when the vehicle is impacted.
[0052] Please refer to Figure 2 With Figure 3 In an embodiment of the utility model, the main body 11 includes an ejection surface 112, which is arranged on the side of the main body 11 facing the bottom guard plate 2, and is used to be attached to the product ejection mechanism 200 to eject the bumper 1 from the mold. The ejection surface 112 is completely attached to the top head of the product ejection mechanism 200 to increase the contact area between the two, reduce the ejection pressure received by the bumper 1, ensure that the bumper 1 is uniformly stressed during demolding, and avoid problems such as stress concentration or cracking in the bumper 1 caused by uneven stress.
[0053] Please refer to Figure 2 In an embodiment of the utility model, the threaded part 3 includes a buckle 32 and a screw 31, the buckle 32 includes a base 321 and a plurality of clamping claws 322 mounted on the base 321, each clamping claw 322 is arranged in the second through hole, the base 321 is arranged between the connecting part 13 and the bottom guard plate 2, the base 321 is provided with a threaded hole, the plurality of clamping claws 322 surround to form an expansion space communicated with the threaded hole, and the end of the screw 31 passes through the first through hole 131, the threaded hole and the expansion space in sequence, so that the clamping claw 322 abuts against the inner wall surface of the second through hole. When installing the underbody integrated structure 100, first, the buckle 32 is installed on the bottom guard plate 2 through the second through hole, after aligning the first through hole 131 and the second through hole, the screw 31 is used to pass through the first through hole 131 and the threaded hole on the base 321, and finally extend into the expansion space. As the length of the screw 31 extending into the expansion space increases, the plurality of clamping claws 322 are gradually pressed against the hole wall of the second through hole, at this time, the bumper 1 is firmly connected with the bottom guard plate 2. In addition, the outer side of the clamping claw 322 is also provided with a barb, which is used to hook the surface of the bottom guard plate 2 around the second through hole, to prevent the buckle 32 from sliding out of the second through hole.
[0054] In the embodiment of the utility model, the plurality of inverted buckle plates 12 and connecting portions 13 are arranged at intervals along the length direction X of the bumper 1, the number of the threaded parts 3 is the same as that of the connecting portions 13, and the threaded parts 3 and the connecting portions 13 are arranged one by one in correspondence. The plurality of inverted buckle plates 12 and connecting portions 13 are arranged at intervals, which can effectively disperse the stress of the bumper 1 when the bumper 1 is under stress, and avoid deformation or damage caused by stress concentration. At the same time, the inverted buckle plate 12 is not arranged extending along the length direction X of the bumper 1, which is beneficial to save the manufacturing material.
[0055] The utility model discloses still propose a kind of automobile, the automobile includes vehicle bottom integrated structure 100, the specific structure of the vehicle bottom integrated structure 100 refers to above-mentioned embodiment, since the automobile has adopted all technical solutions of above-mentioned all embodiments, therefore at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer one by one elaboration. Among them, automobile further includes frame, main body 11 and bottom guard plate 2 are all installed in frame.
[0056] The above-mentioned is only the exemplary implementation of the utility model, and not therefore limit the patent range of the utility model, all equivalent structural transformation made in the technical concept of the utility model, using the utility model specification and drawing contents, or direct / indirectly applied in other related technical fields are included in the patent protection range of the utility model.
Claims
1. A vehicle underbody integrated structure, characterized by comprising: The bumper comprises a main body, a reverse buckle plate and a connecting part, the main body comprises a bottom edge plate, two sides of the reverse buckle plate are connected with the bottom edge plate and the connecting part respectively, and the connecting part is provided with a first through hole; The bottom guard plate is provided with a second through hole corresponding to the first through hole; The threaded part is simultaneously arranged in the first through hole and the second through hole; In the vertical direction, the connecting part is arranged close to the bottom guard plate, and the bottom edge plate is arranged away from the bottom guard plate, so that the reverse buckle plate is arranged in an inclined manner, and the bottom edge plate is used for blocking the line of sight of the human eye to the threaded part. An included angle θ is arranged between the reverse buckle plate and the plane where the bottom edge plate is located, and the θ satisfies: 10°≤θ≤30°.
2. The car bottom integrated structure according to claim 1, wherein 3. The vehicle bottom integrated structure according to claim 2, wherein the length of the reverse buckle plate is defined as L, the width is defined as A, and the thickness is defined as B; The width direction of the reverse buckle plate is parallel to the length direction of the bumper; The L, A and B satisfy: 10mm≤L≤20mm, 20mm≤A≤40mm, and 1.4mm≤B≤3mm. The θ, L, A and B respectively satisfy: θ=18°, L=15mm, A=2.2mm, and B=30mm.
4. The car bottom integrated structure according to claim 3, wherein The main body, the reverse buckle plate and the connecting part are integrally formed.
5. The car bottom integrated structure according to claim 4, wherein The main body, the reverse buckle plate and the connecting part are all polypropylene parts.
6. The car bottom integrated structure according to claim 5, wherein The main body comprises an ejection surface arranged on the side of the main body facing the bottom guard plate, the ejection surface is used for being arranged in abutment with a product ejection mechanism to eject the bumper from a mold.
7. The car bottom integrated structure according to claim 6, wherein The threaded part comprises a buckle and a screw, the buckle comprises a base and a plurality of clamping claws mounted on the base, each clamping claw is arranged in the second through hole, the base is arranged between the connecting part and the bottom guard plate, the base is provided with a threaded hole penetrating through, and a plurality of clamping claws surround to form an expansion space in communication with the threaded hole, and the end of the screw passes through the first through hole, the threaded hole and the expansion space in sequence, so that the clamping claw abuts against the inner wall surface of the second through hole.
8. The vehicle floor assembly of claim 1, wherein the floor assembly is configured to be a one-piece floor assembly. The reverse buckle plate and the connecting part are arranged in plurality along the length direction of the bumper, the number of the threaded part is the same as that of the connecting part, and the threaded part and the connecting part are arranged one by one.
9. The vehicle floor assembly of claim 1, wherein, The automobile comprises a vehicle frame, and the main body and the bottom guard plate are mounted on the vehicle frame.
10. An automobile characterized by comprising: