Clamping equipment for empennage and back door
The design of the connecting blocks and grooves between the rear wing and the tailgate, combined with bolt connections and sealing gaskets, solves the problems of unstable and leaky connections between the rear wing and the tailgate, achieving a more reliable connection and sealing effect.
Patent Information
- Application Number
- CN202422687965.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing adhesive installation connection method between the rear wing and the back door of the car has poor stability and reliability, poses a safety hazard, and is prone to water leakage, affecting the rust prevention safety of the vehicle.
The design of snap-in blocks and snap-in slots is adopted, and the stable snap-in connection between the rear wing and the tailgate is achieved through bolt connection. Combined with spring rods and sealing washers, the reliability and sealing of the connection are ensured.
The reliability and sealing of the connection between the rear wing and the tailgate are improved, which avoids the negative situation of water leakage and soaking of the interior on rainy days, and enhances safety and rust prevention effects.
Smart Images

Figure CN223370986U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile accessories, in particular to a device for clamping a tail wing and a back door. Background Art
[0002] A spoiler is a ducktail-shaped protrusion attached to the rear end of a car's trunk lid. It's part of the car's aerodynamic package, primarily designed to reduce lift at the rear of the vehicle while also enhancing the car's aesthetics and providing a decorative aesthetic. The tailgate, or trunk, is the storage space at the rear of the car. It opens and closes electrically or remotely, providing a convenient and helpful aid for driving. Existing methods for attaching spoilers to tailgates often use adhesive connections. While these aesthetically pleasing adhesive connections lack stability and reliability, they can pose a direct threat to others if they suddenly fall off during high-speed driving, with potentially disastrous consequences. Furthermore, the connection structure lacks protection and is prone to leaks, compromising the vehicle's rust prevention. To address this, we propose a device for attaching spoilers to tailgates. Utility Model Content
[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a tail wing and tailgate clamping device, which effectively solves the problems mentioned in the above background technology.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tail wing and back door clamping device, the bottom of the tail wing is connected to two groups of clamping blocks, a square is provided on the left side of the bottom of the clamping block, and a column is provided on the right side of the bottom of the clamping block, screw holes are provided in the center of the square and the top of the column, two groups of screw holes are provided on the top of the clamping block, the square and the column are screwed to the clamping block through the screw holes with bolts, two groups of clamping grooves are provided on the top of the back door, the two groups of clamping grooves are matched with the shape and size of the clamping block, a square groove is provided on the left side of the bottom of the inner cavity of the clamping groove, the square groove matches the shape and size of the square, and a column groove is provided on the right side of the bottom of the inner cavity of the clamping groove, the column groove matches the diameter of the column.
[0005] Preferably, spring rods are fixedly connected to the centers of the four horizontal sides of the cube body, and triangular blocks are fixedly connected to the outer ends of the spring rods. Square holes are provided in the centers of the four horizontal sides of the inner cavity of the square groove, and the square holes match the area of the triangular blocks. Four groups of guide rail grooves are provided in a circular array on the periphery of the column, and four groups of protrusions with the same shape and size matching the guide rail grooves are provided in a circular array on the periphery of the inner cavity of the column groove.
[0006] Preferably, four groups of circular holes are opened in a circular array on the left side of the bottom of the inner cavity of the two groups of the clamping slots, and the tops of the circular holes are movably connected to circular covers through hinges, and the tops of the circular covers are connected to rubber rings.
[0007] Preferably, four hinge slots are provided in a circular array on the left side of the bottom of the clamping block, and the hinge slots match the shape and size of the hinge.
[0008] Preferably, sealing gaskets are fixedly installed on the top edges of the inner cavities of the two groups of snap-fit grooves.
[0009] Preferably, the bottom surfaces of the two groups of clamping blocks are rounded.
[0010] Compared with the prior art, the beneficial effects of the present invention are: through the potential energy extension and contraction of the square spring rod, the snap-fitting square hole, and the connection design of the crescent-shaped groove protrusion of the column, the stable snap-fitting of the rear wing and the back door is achieved, which is more reliable and tighter than the traditional installation and connection method of the rear wing and the back door. In addition, the sealing gasket design ensures that the rear wing and the back door are tightly sealed after being snap-fitted. When the car is parked or driving outside for a long time and is exposed to rainy weather, it will not cause negative situations such as water leakage or soaking of the interior. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the back door structure of the utility model;
[0013] Figure 3 This is a schematic diagram of the structure of the clamping block of the utility model;
[0014] Figure 4 This is an enlarged view of part A of the utility model.
[0015] In the figure: 1. tailgate; 2. tail wing; 3. bolt; 4. cube; 5. column; 6. guide groove; 7. spring rod; 8. triangular block; 9. hinge groove; 10. sealing gasket; 11. round cover; 12. square groove; 13. square hole; 14. column groove; 15. snap-in groove; 16. snap-in block. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0017] See also Figure 1-4, a device for connecting the tail wing and the back door, the bottom of the tail wing 2 is connected with two groups of clamping blocks 16, a square body 4 is provided on the left side of the bottom of the clamping block 16, and a column 5 is provided on the right side of the bottom of the clamping block 16. Screw holes are opened in the center of the top of the square body 4 and the column 5. Two groups of screw holes are opened on the top of the clamping block 16. The square body 4 and the column 5 are screwed with bolts 3 through the screw holes. Two groups of clamping grooves 15 are opened on the top of the back door 1. The two groups of clamping grooves 15 match the shape and size of the clamping block 16. A square groove 12 is opened on the left side of the bottom of the inner cavity of the clamping groove 15. The square groove 12 matches the shape and size of the square body 4. A column groove 14 is opened on the right side of the bottom of the inner cavity of the clamping groove 15. The column groove 14 Matching the diameter of the column 5, the periphery of the column 5 is provided with four groups of guide grooves 6 in a circular array, and the periphery of the inner cavity of the column groove 14 is provided with four groups of convex blocks of the same shape and size matching the guide grooves 6 in a circular array. Among them, the square body 4, the column 5 and the clamping block 16 are first separated, and the edges and corners of the square body 4 are 45 degrees to the horizontal direction, and the angle of the guide groove 6 on the periphery of the column 5 corresponds to the angle of the convex block on the periphery of the inner cavity of the column groove 14. Only then are the bolts 3 tightened, and then the clamping block 16 is inserted into the clamping groove 15 according to the shape and size matching of the clamping block 16 and the clamping groove 15, and the square body 4 is then inserted into the corresponding square groove 12, and the column 5 is also inserted into the corresponding column groove 14 according to the guide groove 6 and the convex block.
[0018] See also Figure 3-4, the four horizontal centers of the square body 4 are fixedly connected with spring rods 7, and the outer ends of the spring rods 7 are fixedly connected with triangular blocks 8. The four horizontal centers of the inner cavity of the square groove 12 are provided with square holes 13, and the square holes 13 match the area of the triangular blocks 8. When the square body 4 is inserted into the inner cavity of the square groove 12, it is retracted and expanded according to the elastic potential energy of the spring rod 7 body. The oblique angle of the triangular block 8 contacts the inner wall of the square groove 12, and the spring rod 7 retracts until the triangular block 8 reaches the entrance of the square hole 13. The spring rod 7 retracts due to its instinctive nature and enters the interior of the square hole 13 together with the triangular block 8, which plays a tight clamping effect. Four groups of circular holes are opened in a circular array on the left side of the bottom of the inner cavity of the clamping groove 15, among which the circular holes are connected to the square holes 13. The tops of the circular holes are movably connected with round covers 11 through hinges. The tops of the round covers 11 are connected with rubber rings. The left side of the bottom of the clamping block 16 is provided with four groups of hinges in a circular array. The hinge groove 9 matches the shape and size of the hinge. If you want to release the connection between the tail wing 2 and the back door 1, you only need to twist the loosening bolt 3 to separate the square body 4, the column 5 and the clamping block 16. You can also pull up the round cover 11 through the rubber ring, squeeze the triangular block 8 and the spring rod 7 in the round hole, and pull the square body 4 upward so that the triangular block 8 and the spring rod 7 are out of the square hole 13. The column 5 can also be pulled out upward along the column groove 14 convex block. The hinge groove 9 is made for engaging the hinge connected by the round cover 11. The top edge of the inner cavity of the two sets of clamping grooves 15 is fixedly installed with a sealing gasket 10. It is a sealing protection measure after the clamping block 16 is inserted into the clamping groove 15. When the car is parked or driving for a long time outside, it will not cause water leakage, soaking, etc. The negative conditions such as the interior are not caused by the two sets of clamping blocks 16. The bottom surface of the two sets of clamping blocks 16 is rounded, which is an auxiliary extrusion of the sealing gasket 10 and the inner plug of the clamping groove 15.
[0019] Working principle: When the present invention is implemented, the cube 4, the column 5 and the clamping block 16 are first separated, and the corners of the cube 4 are 45 degrees to the horizontal direction, and the angle of the guide groove 6 on the periphery of the column 5 corresponds to the angle of the convex block on the periphery of the inner cavity of the column groove 14, then the bolt 3 is tightened, and then the clamping block 16 is matched with the shape and size of the clamping groove 15, and it is inserted into the clamping groove 15, and the cube 4 is then inserted into the corresponding square groove 12, and the column 5 is also inserted into the corresponding column groove 14 according to the guide groove 6 and the convex block. When the cube 4 is inserted into the inner cavity of the square groove 12, it is retracted and expanded according to the elastic potential energy of the spring rod 7 body, and the oblique angle of the triangular block 8 contacts the inner wall of the square groove 12, and the spring rod 7 retracts until the triangular block 8 reaches the entrance of the square hole 13. The spring rod 7 retracts due to its instinctive nature and enters the interior of the square hole 13 together with the triangular block 8, achieving a tight clamping effect. The left side of the bottom of the inner cavity of the clamping groove 15 The four groups of circular holes opened in a circular array are connected to the square hole 13. If you want to release the connection between the tail wing 2 and the back door 1, you only need to tighten the loosening bolts 3 to separate the square body 4, the column 5 and the clamping block 16. You can also pull up the round cover 11 through the rubber ring, squeeze the triangular block 8 and the spring rod 7 in the round hole, and pull the square body 4 upward so that the triangular block 8 and the spring rod 7 are out of the square hole 13. The column 5 can also be pulled out upward along the column groove 14 convex block shape. The hinge groove 9 is made for engaging the hinge movably connected by the round cover 11. The sealing gasket 10 is fixedly installed on the top edge of the inner cavity of the two groups of clamping grooves 15. It is a sealing protection measure after the clamping block 16 is inserted into the clamping groove 15. When the car is parked or driving for a long time outside and is exposed to rainy weather, it will not cause water leakage, soaking of the interior and other negative conditions. The bottom surface of the two groups of clamping blocks 16 is rounded to assist in squeezing the sealing gasket 10 and inserting it into the inside of the clamping groove 15.
[0020] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for connecting a tail wing and a back door, comprising a back door (1) and a tail wing (2), characterized in that: The bottom of the tail wing (2) is connected to two groups of clamping blocks (16), a cube (4) is provided on the left side of the bottom of the clamping block (16), and a column (5) is provided on the right side of the bottom of the clamping block (16). The center of the top of the cube (4) and the column (5) is provided with a screw hole, and the top of the clamping block (16) is provided with two groups of screw holes. The cube (4) and the column (5) are screwed to the clamping block (16) through the screw holes with bolts ( 3), two groups of snap-fitting grooves (15) are provided on the top of the back door (1), and the two groups of snap-fitting grooves (15) are matched in shape and size with the snap-fitting block (16); a square groove (12) is provided on the left side of the bottom of the inner cavity of the snap-fitting groove (15), and the square groove (12) is matched in shape and size with the square body (4); a column groove (14) is provided on the right side of the bottom of the inner cavity of the snap-fitting groove (15), and the column groove (14) is matched in diameter and size with the column (5).
2. The tail wing and back door clamping device according to claim 1, characterized in that: The centers of the four horizontal sides of the cube (4) are all fixedly connected to spring rods (7), the outer ends of the spring rods (7) are all fixedly connected to triangular blocks (8), the centers of the four horizontal sides of the inner cavity of the square groove (12) are all provided with square holes (13), the square holes (13) are matched with the area of the triangular blocks (8), the periphery of the column (5) is provided with four groups of guide rail grooves (6) in a circular array, and the periphery of the inner cavity of the column groove (14) is provided with four groups of convex blocks of the same shape and size as the guide rail grooves (6) in a circular array.
3. The tail wing and back door clamping device according to claim 1, characterized in that: The left side of the bottom of the inner cavity of the two groups of the clamping grooves (15) is provided with four groups of circular holes in a circular array, and the tops of the circular holes are movably connected to circular covers (11) through hinges, and the tops of the circular covers (11) are connected to rubber rings.
4. The tail wing and back door clamping device according to claim 1, characterized in that: The left side of the bottom of the clamping block (16) is provided with four hinge slots (9) in a circular array, and the hinge slots (9) match the shape and size of the hinge.
5. The tail wing and back door clamping device according to claim 1, characterized in that: Sealing gaskets (10) are fixedly mounted on the top edges of the inner cavities of the two groups of the clamping grooves (15).
6. The tail wing and back door clamping device according to claim 1, characterized in that: The bottom surfaces of the two groups of clamping blocks (16) are arranged in a rounded shape.