Anti-falling buckle structure of automobile door protection plate
By using the combination of locking structure, snapping components and positioning components on the car door guard plate, the problem of uneven clearance and surface difference after the door guard plate is assembled, the stability and installation accuracy of the snaps are improved, and manufacturing costs and maintenance needs are reduced.
Patent Information
- Application Number
- CN202421887145.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-06
AI Technical Summary
Due to material characteristics, the automotive door guard plates have poor dimensional stability, which easily produce gaps and relative movements after assembly, resulting in risks of "loose abnormal noise" and uneven surface difference.
The combination of the locking seat structure, snap assembly and positioning assembly is adopted to reduce the motion clearance through the design of the snap assembly, increase the stability of the snap, and improve the installation accuracy by using the positioning assembly.
It effectively solves the root causes of "loose abnormal noise", reduces installation complexity and maintenance needs, reduces manufacturing costs and improves execution time.
Smart Images

Figure CN222987948U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to an anti - detachment buckle structure for an automobile door trim panel. Background Art
[0002] After the front and rear door trim panel bodies of a sedan are installed on the door trim panel brackets, they are buckled on the door hardware of the car door. Since it is an exterior part, there are requirements for the surface difference and gap between the door trim panel assembly and the peripheral assembly parts. The surface difference is controlled within 0.5 MM, and the gap is about 1 MM. The buckling of the inner and outer door trim panels with the sheet metal is a very important link.
[0003] The door trim panel is injection - molded, and the base material usually uses engineering plastics PP + EPDM. Due to the characteristics of PP raw materials, the product has poor dimensional stability and large deformation. After assembly, it is very easy to generate gaps and relative movements. When pressing the parallel surfaces of the product to rub against each other, "loose abnormal noise" is likely to occur, and there are risks such as falling off and uneven surface difference. Therefore, an anti - detachment buckle structure for an automobile door trim panel is provided. Summary of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides an anti - detachment buckle structure for an automobile door trim panel. Through the combined use of a card seat structure, a buckle component and a positioning component, the movement gap of the buckle is effectively reduced, the stability of the buckle is increased, the root cause of "loose abnormal noise" is effectively solved, and the pre - installation rework and subsequent maintenance are reduced, saving manufacturing costs for the company and improving the delivery time, overcoming the deficiencies of the prior art.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme:
[0006] An anti - detachment buckle structure for an automobile door trim panel, including an outer door trim panel and a door trim panel bracket. A card seat structure is arranged on the door trim panel bracket, a buckle component is clamped on the card seat structure, and a positioning component is arranged on the card seat structure;
[0007] The buckle component includes an arc - shaped plate. A support column is fixed inside the arc - shaped plate. A disc is arranged at the upper end of the support column. A vertical plate is arranged at the upper end of the disc. A first conical clamping part is arranged at the top of the vertical plate, and a second conical clamping part is arranged at the top of the first conical clamping part.
[0008] Through the above - mentioned scheme, by the combined use of a card seat structure, a buckle component and a positioning component, the movement gap of the buckle is effectively reduced, the stability of the buckle is increased, the root cause of "loose abnormal noise" is effectively solved, and the pre - installation rework and subsequent maintenance are reduced, saving manufacturing costs for the company and improving the delivery time.
[0009] Preferably, the arc-shaped plate, the support column, the disc, the vertical plate, the first conical clamping portion and the second conical clamping portion are of an integrally formed structure.
[0010] Preferably, an anti-disengagement boss is clamped in the gap between the disc and the first conical clamping portion, and an anti-disengagement boss is also clamped in the gap between the first conical clamping portion and the second conical clamping portion.
[0011] Preferably, the anti-disengagement boss is an arc-shaped boss.
[0012] Preferably, the card seat structure includes a rectangular box provided on the door trim bracket. A notch is provided at the top of one end of the rectangular box, and a socket is provided on one side of the top end of the rectangular box at the notch.
[0013] Preferably, the support column and the socket form a plug-in fit. The disc is clamped on the outer wall of the top end of the rectangular box, and both ends of the arc-shaped plate are clamped on the inner wall of the top end of the rectangular box.
[0014] Preferably, the positioning assembly includes two connecting rods. Positioning rods are fixed at both ends of the upper end surfaces of the two connecting rods. The four positioning rods are all slidably inserted into the top end of the rectangular box, and the four positioning rods are equidistantly distributed outside the disc.
[0015] Preferably, the positioning assembly further includes two T-shaped rods respectively and movably inserted into the middle parts of the two connecting rods. The upper ends of the two T-shaped rods are both connected to the inner wall of the top end of the rectangular box, and springs are sleeved on the parts of the two T-shaped rods below the connecting rods.
[0016] The beneficial effects of the present utility model are as follows:
[0017] By the combined use of the card seat structure, the buckle assembly and the positioning assembly, the movement clearance of the buckle is effectively reduced, the stability of the buckle is increased, the root cause of "loose abnormal noise" is effectively solved, and the pre-installation rework and subsequent maintenance are reduced, saving the manufacturing cost and improving the delivery time for the company. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 FIG. is a three-dimensional structural schematic diagram of an anti-disengagement buckle structure for an automobile door trim proposed by the present utility model.
[0019] Figure 2 FIG. is a first partial structural schematic diagram of an anti-disengagement buckle structure for an automobile door trim proposed by the present utility model.
[0020] Figure 3 FIG. is a second partial structural schematic diagram of an anti-disengagement buckle structure for an automobile door trim proposed by the present utility model.
[0021] Figure 4 FIG. is a third partial structural schematic diagram of an anti-disengagement buckle structure for an automobile door trim proposed by the present utility model.
[0022] Figure 5 A magnified structural schematic diagram at position A in a kind of anti - detachment buckle structure for an automobile door trim proposed by the present utility model Figure 3 in the figure.
[0023] In the figure: 1. Outer plate of the door trim; 2. Door trim bracket; 3. Buckle assembly; 31. Arc plate; 32. Support column; 33. Disc; 34. Vertical plate; 35. First conical clamping part; 36. Second conical clamping part; 4. Anti - detachment boss; 5. Rectangular box; 6. Socket; 7. Positioning rod; 8. Link rod; 9. T - shaped rod; 10. Spring; 11. Notch. Specific embodiments
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0025] Embodiment 1, referring to Figures 1-5 , a kind of anti - detachment buckle structure for an automobile door trim, including an outer plate 1 of the door trim and a door trim bracket 2. A clamping seat structure is arranged on the door trim bracket 2, and a buckle assembly 3 is clamped on the clamping seat structure. A positioning assembly is arranged on the clamping seat structure;
[0026] The buckle assembly 3 includes an arc plate 31. A support column 32 is fixed inside the arc plate 31. A disc 33 is arranged at the upper end of the support column 32. A vertical plate 34 is arranged at the upper end of the disc 33. A first conical clamping part 35 is arranged at the top of the vertical plate 34. A second conical clamping part 36 is arranged at the top end of the first conical clamping part 35;
[0027] The arc plate 31, the support column 32, the disc 33, the vertical plate 34, the first conical clamping part 35 and the second conical clamping part 36 are integrally formed structures;
[0028] An anti - detachment boss 4 is clamped in the gap between the disc 33 and the first conical clamping part 35, and an anti - detachment boss 4 is also clamped in the gap between the first conical clamping part 35 and the second conical clamping part 36. The anti - detachment boss 4 is an arc - shaped boss;
[0029] The clamping seat structure includes a rectangular box 5 arranged on the door trim bracket 2. A notch 11 is arranged at the top of one end of the rectangular box 5, and a socket 6 is arranged at the top end of the rectangular box 5 on one side of the notch 11;
[0030] The support column 32 forms a plug - in fit with the socket 6. The disc 33 is clamped on the outer wall of the top end of the rectangular box 5, and both ends of the arc plate 31 are clamped on the inner wall of the top end of the rectangular box 5;
[0031] The positioning component includes two connecting rods 8. At both ends of the upper end surfaces of the two connecting rods 8, positioning rods 7 are fixed. The four positioning rods 7 are all slidably inserted into the top end of the rectangular box 5, and the four positioning rods 7 are equidistantly distributed outside the disc 33. The positioning component further includes two T-shaped rods 9 respectively movably inserted into the middle parts of the two connecting rods 8. The upper ends of the two T-shaped rods 9 are both connected to the inner wall of the top end of the rectangular box 5. Springs 10 are sleeved on the parts of the two T-shaped rods 9 located below the connecting rods 8.
[0032] Structural principle: After the outer panel 1 of the door trim and the door trim bracket 2 are bonded well with 3M adhesive, the support column 32 is inserted into the socket 6 of the rectangular box 5, and the two anti-disengagement bosses 4 are respectively clamped below the first conical clamping part 35 and below the second conical clamping part 36. Through the design of the arc plate 31 at the bottom end of the buckle assembly, the two ends of the arc plate 31 are in line contact with the inner wall of the top end of the rectangular box 5, reducing the assembly gap and installation difficulty. Through the elastic support of the spring 10 on the connecting rod 8, the top end of the positioning rod 7 is placed above the rectangular box 5, so that the top ends of the four positioning rods 7 realize the function of positioning points, reducing the movement gap of the buckle and increasing the stability of the buckle, effectively solving the root cause of "loose abnormal noise". The above structural principle reduces the pre-installation rework and subsequent maintenance, saving manufacturing costs and improving delivery time for the company.
[0033] The exemplary embodiments of the present invention are described in detail with reference to the embodiments. However, those skilled in the art can understand that, without departing from the concept of the present invention, various modifications and variations can be made to the above specific embodiments, and various combinations can be made to the technical features and structures proposed by the present invention, without exceeding the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present invention is not intended to limit the present invention to the precise forms disclosed, and obviously, many changes and variations are possible in light of the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical applications, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present invention, as well as various different selections and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims
1. An anti-drop buckle structure for a car door guard plate, comprising a door guard plate outer plate (1) and a door guard plate bracket (2), characterized in that: The door guard plate bracket (2) is provided with a base structure, a buckle assembly (3) is clamped on the base structure, and a positioning assembly is provided on the base structure; The buckle assembly (3) comprises an arc-shaped plate (31), a support column (32) is fixed on the inner side of the arc-shaped plate (31), a disc (33) is arranged at the upper end of the support column (32), a vertical plate (34) is arranged at the upper end of the disc (33), a first cone clamping portion (35) is arranged at the top of the vertical plate (34), and a second cone clamping portion (36) is arranged at the top end of the first cone clamping portion (35).
2. The anti-drop buckle structure for a car door guard plate according to claim 1, characterized in that: The arc-shaped plate (31), the supporting column (32), the disc (33), the vertical plate (34), the first cone clamping portion (35) and the second cone clamping portion (36) are an integrally formed structure.
3. The anti-drop buckle structure for a car door guard plate according to claim 2, characterized in that: An anti-slip boss (4) is clamped in the gap between the disc (33) and the first cone clamping portion (35), and an anti-slip boss (4) is also clamped in the gap between the first cone clamping portion (35) and the second cone clamping portion (36).
4. The anti-drop buckle structure for a car door guard plate according to claim 3, characterized in that: The anti-slip boss (4) is an arc-shaped boss.
5. The anti-drop buckle structure for a car door guard plate according to claim 3, characterized in that: The card seat structure comprises a rectangular box (5) arranged on a door guard plate bracket (2), a notch (11) being arranged at the top of one end of the rectangular box (5), and a socket (6) being arranged at the top end of the rectangular box (5) and located on one side of the notch (11).
6. The anti-drop buckle structure for a car door guard plate according to claim 5, characterized in that: The support column (32) and the socket (6) form a plug-in fit, the disc (33) is clamped on the top outer wall of the rectangular box (5), and the two ends of the arc plate (31) are clamped on the top inner wall of the rectangular box (5).
7. The anti-drop buckle structure for a car door guard plate according to claim 5, characterized in that: The positioning assembly comprises two connecting rods (8), both ends of the upper end surfaces of the two connecting rods (8) are fixed with positioning rods (7), the four positioning rods (7) are slidably inserted into the top end of the rectangular box (5), and the four positioning rods (7) are evenly distributed on the outer side of the disc (33).
8. The anti-drop buckle structure for a car door guard plate according to claim 7, characterized in that: The positioning assembly also includes two T-shaped rods (9) movably plugged into the middle of the two connecting rods (8), the upper ends of the two T-shaped rods (9) are connected to the top inner wall of the rectangular box (5), and the parts of the two T-shaped rods (9) located below the connecting rods (8) are covered with springs (10).