Automobile body back structure and automobile
By designing the drain tank and drainage holes in the back structure of the car body, the corrosion problem caused by water accumulation in the car body is solved, and the rapid discharge of fluid accumulation and effective corrosion protection of the car body is achieved.
Patent Information
- Application Number
- CN202420254606.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-02-02
AI Technical Summary
The existing body design structure cannot effectively quickly export the accumulated water and other liquids in the car body, causing liquid accumulation to damage the paint surface and causing rust on the sheet metal.
Design a body back structure, including a suitcase frame structure and a back door sheet metal structure. A drainage groove structure is provided along the upper edge of the suitcase frame structure, which can drain water to the bottom of the body frame; a plurality of drainage holes are provided at the bottom of the back door sheet metal structure, which can drain water to the outside.
Effectively and quickly eliminate fluid accumulation in the car body, avoid water accumulation causing corrosion to the car body, improve the anti-corrosion ability of the car body, and prevent failures caused by erosion in the external environment.
Smart Images
Figure CN222554714U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle body back structures, and in particular relates to a vehicle body back structure and a car. Background Art
[0002] The use environment of automobiles is relatively complex. The market and customers have higher requirements for vehicle appearance and internal performance. The global environment is becoming increasingly severe, and the corrosion of the vehicle body is more obvious. Some existing vehicle body design structures cannot effectively and quickly drain the accumulated water and other liquids that aggravate the corrosion of the sheet metal, resulting in the accumulated liquid damaging the paint surface and causing rust on the sheet metal.
[0003] Based on the technical problems existing in the above-mentioned automobile body structure design, there is no relevant solution yet; therefore, it is urgent to find effective solutions to solve the above-mentioned problems. Summary of the invention
[0004] The purpose of the utility model is to solve the problems existing in the above-mentioned technologies and to provide a vehicle body back structure and a vehicle, so as to solve the existing vehicle body anti-corrosion problem.
[0005] The utility model provides a vehicle body back structure, the back structure comprises a luggage box frame structure and a back door sheet metal structure; the luggage box frame structure is fixedly arranged on the back of the vehicle body frame, the upper edge of the luggage box frame structure is provided with a drainage groove structure, the drainage groove structure extends along the upper edge of the luggage box frame structure to both sides thereof, and can drain the accumulated water on the upper edge of the luggage box frame structure to the bottom of the vehicle body frame; the back door sheet metal structure can be rotatably arranged on the back of the vehicle body frame, the bottom of the back door sheet metal structure is provided with a plurality of drainage holes, the drainage holes are respectively connected to the inside and the outside of the back door sheet metal structure, and can drain the accumulated water inside the back door sheet metal structure to the outside of the back door sheet metal structure.
[0006] Furthermore, the luggage compartment frame structure includes an upper edge panel, a right side panel, a left side panel and a bottom panel; the upper edge panel is horizontally arranged at the upper edge of the luggage compartment frame structure; the left side panel is vertically arranged at the left side of the luggage compartment frame structure; the right side panel is vertically arranged at the right side of the luggage compartment frame structure; the bottom panel is horizontally arranged at the lower end of the luggage compartment frame structure; the drainage ditch structure is arranged on the upper edge panel and extends to the left side panel and the right side panel respectively.
[0007] Furthermore, the drainage ditch structure includes a middle drainage ditch, a left drainage ditch and a right drainage ditch; the middle drainage ditch is arranged in the middle position of the upper edge plate surface along the horizontal direction; the left drainage ditch is arranged on the left side of the upper edge plate surface, one end of the left drainage ditch is connected with the left end groove of the middle drainage ditch, and the other end of the left drainage ditch extends downwardly toward the left side panel; the right drainage ditch is arranged on the right side of the upper edge plate surface, one end of the right drainage ditch is connected with the right end groove of the middle drainage ditch, and the other end of the right drainage ditch extends downwardly toward the right side panel.
[0008] Furthermore, there is an angle A between the left drainage groove and the middle drainage groove, and the angle A is 3° to 5°; there is an angle B between the right drainage groove and the middle drainage groove, and the angle B is 3° to 5°.
[0009] Furthermore, a first water diversion groove is provided in the vertical direction on the upper portion of the right side panel, the upper end groove of the first water diversion groove is connected with the lower end groove of the left drainage groove, and the lower end groove of the first water diversion groove extends to the bottom of the vehicle body frame; a second water diversion groove is provided in the vertical direction on the upper portion of the left side panel, the upper end groove of the second water diversion groove is connected with the lower end groove of the right drainage groove, and the lower end groove of the second water diversion groove extends to the bottom of the vehicle body frame.
[0010] Furthermore, the tailgate sheet metal structure includes an outer panel and an inner panel, which are fitted and fixed together, and a cavity is formed between the outer panel and the inner panel; a drainage hole is arranged at the bottom of the cavity.
[0011] Furthermore, the drainage holes include a first drainage hole, a second drainage hole and a third drainage hole; the second drainage hole is arranged at the middle position of the bottom of the rear door sheet metal structure; the first drainage hole is arranged at the bottom of the rear door sheet metal structure and is located on the left side of the second drainage hole; the third drainage hole is arranged at the bottom of the rear door sheet metal structure and is located on the right side of the second drainage hole.
[0012] Furthermore, the upper edge plate is welded and fixed to the top cover of the vehicle body frame; the left side panel is welded and fixed to the left side of the vehicle body frame; the right side panel is welded and fixed to the right side of the vehicle body frame; and the bottom plate is welded and fixed to the bottom frame of the vehicle body frame.
[0013] Furthermore, a trunk opening is formed in the middle position of the trunk frame structure; the upper edge plate is arranged at the top of the trunk opening, the left side panel is arranged at the left side of the trunk opening, the right side panel is arranged at the right side of the trunk opening, and the bottom plate is arranged at the bottom of the trunk opening; one end of the upper edge plate is welded to the top end of the left side panel, and the other end of the upper edge plate is welded to the top end of the right side panel; one end of the bottom plate is welded to the bottom end of the left side panel, and the other end of the bottom plate is welded to the bottom end of the right side panel.
[0014] Correspondingly, in combination with the above solution, the utility model also provides an automobile, including a vehicle body back structure, wherein the vehicle body back structure is the vehicle body back structure described above.
[0015] The vehicle body back structure provided by the utility model can be directly used on the existing vehicle body frame, has a simple structure, is easy to form, and can effectively discharge the accumulated liquid on the vehicle body to prevent the accumulated water from corroding the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0017] The utility model will be further described below in conjunction with the accompanying drawings:
[0018] Figure 1 This is a schematic diagram of the frame structure of the luggage compartment of the vehicle body of the utility model;
[0019] Figure 2 It is a schematic diagram of the sheet metal structure of the back door of the utility model.
[0020] In the figure: 1. luggage compartment frame structure; 2. upper edge panel; 3. right side panel; 4. left side panel; 5. luggage compartment opening; 6. left side drainage groove; 7. right side drainage groove; 8. middle drainage groove; 9. bottom plate; 10. tailgate sheet metal structure; 11. outer side panel; 12. inner side panel; 13. first drainage hole; 14. second drainage hole; 15. third drainage hole. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0022] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.
[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] As shown in Figure 1 to Figure 2 As shown, the utility model provides a vehicle body back structure, the back structure includes a luggage box frame structure 1 and a back door sheet metal structure 10; wherein the luggage box frame structure 1 is fixedly arranged on the back of the vehicle body frame, and the upper edge of the luggage box frame structure 1 is provided with a drainage groove structure, the drainage groove structure extends along the upper edge of the luggage box frame structure 1 to both sides thereof, and can drain the accumulated water on the upper edge of the luggage box frame structure 1 to the bottom of the vehicle body frame, thereby avoiding the corrosion of the vehicle body caused by the accumulated water on the luggage box frame structure 1; further, the back door sheet metal structure 10 can be rotated to It is placed on the back of the vehicle body frame, and a plurality of drainage holes are provided at the bottom of the tailgate sheet metal structure 10, which are respectively connected to the inside and outside of the tailgate sheet metal structure 10, and can drain the accumulated water inside the tailgate sheet metal structure 10 to the outside of the tailgate sheet metal structure 10, thereby avoiding the accumulation of water inside the tailgate sheet metal structure 10 and causing corrosion to the vehicle body; the back structure of the vehicle body provided by the utility model can effectively and quickly drain the accumulated liquid, so that the accumulated liquid can flow out without obstruction, so that the coating surface can be continuously kept clean and dry, which can improve the corrosion resistance and avoid failures caused by external environmental erosion.
[0027] Preferably, in combination with the above scheme, as shown in Figure 1, in this embodiment: the luggage box frame structure 1 includes an upper edge panel 2, a right side panel 3, a left side panel 4 and a bottom plate 9; wherein, the upper edge panel 2 is arranged at the upper edge of the luggage box frame structure 1 in the horizontal direction; further, the left side panel 4 is arranged at the left side of the luggage box frame structure 1 in the vertical direction; further, the right side panel 3 is arranged at the right side of the luggage box frame structure 1 in the vertical direction; further, the bottom plate 9 is arranged at the lower end of the luggage box frame structure 1 in the horizontal direction; specifically, the drainage ditch structure is arranged on the upper edge panel 2, and extends to the left side panel 4 and the right side panel 3 respectively, so that the accumulated water at the upper end of the luggage box frame structure 1 can be drained to the left and right sides.
[0028] Preferably, in combination with the above scheme, as shown in Figure 1, in this embodiment: the drainage groove structure includes a middle drainage groove 8, a left drainage groove 6 and a right drainage groove 7; wherein the middle drainage groove 8 is arranged at the middle position of the upper edge plate surface 2 along the horizontal direction; further, the left drainage groove 6 is arranged on the left side of the upper edge plate surface 2, one end of the left drainage groove 6 is connected with the left end notch of the middle drainage groove 8, and the other end of the left drainage groove 6 is inclined downward and extends toward the left side panel 4; further, the right drainage groove 7 is arranged on the right side of the upper edge plate surface 2, one end of the right drainage groove 7 is connected with the right end notch of the middle drainage groove 8, and the other end of the right drainage groove 7 is inclined downward and extends toward the right side panel 3.
[0029] Preferably, in combination with the above scheme, as shown in Figure 1, there is an angle A between the left drainage groove 6 and the middle drainage groove 8, and the angle A is 3° to 5°. Specifically, the angle A is preferably designed to be 4°; further, there is an angle B between the right drainage groove 7 and the middle drainage groove 8, and the angle B is 3° to 5°. Specifically, the angle B is preferably designed to be 4°; specifically, the back structure of the vehicle body provided by the utility model guides the accumulated liquid and improves the diversion effect by changing the height difference of the drainage groove itself on the luggage box frame structure. The drainage groove structure makes the middle section high and the two sides low, and the overall water flow angle is greater than or equal to 4°, which is conducive to grooving and drainage.
[0030] Preferably, in combination with the above scheme, as shown in Figure 1, a first water diversion groove is provided on the right side panel 3 in the vertical direction, the upper end groove of the first water diversion groove is connected with the lower end groove of the left drainage groove 6, and the lower end groove of the first water diversion groove extends to the bottom of the vehicle body frame; further, a second water diversion groove is provided on the left side panel 4 in the vertical direction, the upper end groove of the second water diversion groove is connected with the lower end groove of the right drainage groove 7, and the lower end groove of the second water diversion groove extends to the bottom of the vehicle body frame.
[0031] Preferably, in combination with the above scheme, Figure 2As shown, the tailgate sheet metal structure 10 includes an outer panel 11 and an inner panel 12, which are welded together and fixed together, and a cavity is formed between the outer panel 11 and the inner panel 12; specifically, a drainage hole is arranged at the bottom of the cavity, so that the accumulated water in the cavity can be drained; the vehicle body back structure provided by the utility model improves the inner cavity diversion effect by opening a hole at the lowest point of the lower end of the tailgate sheet metal structure 10, preferably in the middle, the bottom of the left end, and the bottom of the right end.
[0032] Preferably, in combination with the above scheme, Figure 2 As shown, the drainage holes include a first drainage hole 13, a second drainage hole 14 and a third drainage hole 15; wherein the second drainage hole 14 is arranged at the middle position of the bottom of the tailgate sheet metal structure 10; the first drainage hole 13 is arranged at the bottom of the tailgate sheet metal structure 10 and is located on the left side of the second drainage hole 14; the third drainage hole 15 is arranged at the bottom of the tailgate sheet metal structure 10 and is located on the right side of the second drainage hole 14; the above three drainage hole designs are adopted to drain the accumulated water in the cavity of the tailgate sheet metal structure 10 to the greatest extent, and the design of the drainage holes can avoid additional punching of the tailgate sheet metal structure 10 to eliminate stress, and can improve the strength of the tailgate sheet metal structure.
[0033] Preferably, in combination with the above scheme, as shown in Figure 1, the upper edge plate 2 of the trunk frame structure 1 is welded and fixed to the top cover of the vehicle body frame; the left side panel 4 of the trunk frame structure 1 is welded and fixed to the left side of the vehicle body frame; the right side panel 3 of the trunk frame structure 1 is welded and fixed to the right side of the vehicle body frame; the bottom plate 9 of the trunk frame structure 1 is welded and fixed to the bottom frame of the vehicle body frame, thereby forming a quadrilateral structure.
[0034] Preferably, in combination with the above scheme, as shown in Figure 1, a trunk opening 5 is also formed in the middle position of the trunk frame structure 1; specifically, the upper edge plate 2 is arranged at the top of the trunk opening 5, the left side panel 4 is arranged on the left side of the trunk opening 5, the right side panel 3 is arranged on the right side of the trunk opening 5, and the bottom plate 9 is arranged at the bottom of the trunk opening 5; one end of the upper edge plate 2 is welded to the top end of the left side panel 4, and the other end of the upper edge plate 2 is welded to the top end of the right side panel 3; one end of the bottom plate 9 is welded to the bottom end of the left side panel 4, and the other end of the bottom plate 9 is welded to the bottom end of the right side panel 3.
[0035] Accordingly, in combination with the above scheme, as shown in Figures 1 to Figure 2 As shown, the utility model also provides an automobile, comprising a vehicle body back structure, and the vehicle body back structure is the vehicle body back structure described above.
[0036] The vehicle body back structure provided by the utility model can be directly used on the existing vehicle body frame, has a simple structure, is easy to form, and can effectively discharge the accumulated liquid on the vehicle body to prevent the accumulated water from corroding the vehicle body.
[0037] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.
Claims
1. A vehicle body back structure, characterized in that: The back structure comprises a luggage box frame structure (1) and a back door sheet metal structure (10); the luggage box frame structure (1) is fixedly arranged on the back of the vehicle body frame, and a drainage groove structure is provided on the upper edge of the luggage box frame structure (1), and the drainage groove structure extends along the upper edge of the luggage box frame structure (1) to both sides thereof, and is capable of draining the accumulated water on the upper edge of the luggage box frame structure (1) to the bottom of the vehicle body frame; the back door sheet metal structure (10) can be rotatably arranged on the back of the vehicle body frame, and a plurality of drainage holes are provided on the bottom of the back door sheet metal structure (10), and the drainage holes are respectively connected to the inside and the outside of the back door sheet metal structure (10), and are capable of draining the accumulated water inside the back door sheet metal structure (10) to the outside of the back door sheet metal structure (10).
2. The vehicle body back structure according to claim 1, characterized in that: The luggage box frame structure (1) comprises an upper edge panel (2), a right side panel (3), a left side panel (4) and a bottom panel (9); the upper edge panel (2) is arranged at the upper edge of the luggage box frame structure (1) in the horizontal direction; the left side panel (4) is arranged at the left side of the luggage box frame structure (1) in the vertical direction; the right side panel (3) is arranged at the right side of the luggage box frame structure (1) in the vertical direction; the bottom panel (9) is arranged at the lower end of the luggage box frame structure (1) in the horizontal direction; the drainage ditch structure is arranged on the upper edge panel (2) and extends to the left side panel (4) and the right side panel (3) respectively.
3. The vehicle body back structure according to claim 2, characterized in that: The drainage groove structure comprises a middle drainage groove (8), a left drainage groove (6) and a right drainage groove (7); the middle drainage groove (8) is arranged at the middle position of the upper edge plate surface (2) in the horizontal direction; the left drainage groove (6) is arranged on the left side of the upper edge plate surface (2), one end of the left drainage groove (6) is connected to the left end notch of the middle drainage groove (8), and the other end of the left drainage groove (6) extends downwardly and obliquely toward the left side panel (4); the right drainage groove (7) is arranged on the right side of the upper edge plate surface (2), one end of the right drainage groove (7) is connected to the right end notch of the middle drainage groove (8), and the other end of the right drainage groove (7) extends downwardly and obliquely toward the right side panel (3).
4. The vehicle body back structure according to claim 3, characterized in that: There is an angle A between the left drainage groove (6) and the middle drainage groove (8), and the angle A is 3° to 5°; there is an angle B between the right drainage groove (7) and the middle drainage groove (8), and the angle B is 3° to 5°.
5. The vehicle body back structure according to claim 3, characterized in that: A first water diversion groove is provided on the right side panel (3) in the vertical direction, the upper end notch of the first water diversion groove is communicated with the lower end notch of the left side drainage groove (6), and the lower end notch of the first water diversion groove extends to the bottom of the vehicle body frame; a second water diversion groove is provided on the left side panel (4) in the vertical direction, the upper end notch of the second water diversion groove is communicated with the lower end notch of the right side drainage groove (7), and the lower end notch of the second water diversion groove extends to the bottom of the vehicle body frame.
6. The vehicle body back structure according to claim 1, characterized in that: The back door sheet metal structure (10) comprises an outer panel (11) and an inner panel (12), wherein the outer panel (11) and the inner panel (12) are fitted and fixed together, and a cavity is formed between the outer panel (11) and the inner panel (12); the drainage hole is arranged at the bottom of the cavity.
7. The vehicle body back structure according to claim 6, characterized in that: The drainage holes comprise a first drainage hole (13), a second drainage hole (14) and a third drainage hole (15); the second drainage hole (14) is arranged at a middle position of the bottom of the back door sheet metal structure (10); the first drainage hole (13) is arranged at the bottom of the back door sheet metal structure (10) and is located on the left side of the second drainage hole (14); and the third drainage hole (15) is arranged at the bottom of the back door sheet metal structure (10) and is located on the right side of the second drainage hole (14).
8. The vehicle body back structure according to claim 2, characterized in that: The upper edge plate (2) is welded and fixed to the top cover of the vehicle body frame; the left side panel (4) is welded and fixed to the left side of the vehicle body frame; the right side panel (3) is welded and fixed to the right side of the vehicle body frame; and the bottom plate (9) is welded and fixed to the bottom frame of the vehicle body frame.
9. The vehicle body back structure according to claim 2, characterized in that: A luggage compartment opening (5) is also formed in the middle of the luggage compartment frame structure (1); the upper edge panel (2) is arranged at the top of the luggage compartment opening (5); the left side panel (4) is arranged at the left side of the luggage compartment opening (5); the right side panel (3) is arranged at the right side of the luggage compartment opening (5); and the bottom panel (9) is arranged at the bottom of the luggage compartment opening (5); one end of the upper edge panel (2) is welded to the top end of the left side panel (4), and the other end of the upper edge panel (2) is welded to the top end of the right side panel (3); one end of the bottom panel (9) is welded to the bottom end of the left side panel (4), and the other end of the bottom panel (9) is welded to the bottom end of the right side panel (3).
10. An automobile, comprising a vehicle body back structure, characterized in that: The vehicle body back structure is the vehicle body back structure as described in any one of claims 1 to 9 above.