一种异形doghouse结构
By using an irregularly shaped doghouse structure design and a combination of triangular ribs and thickened plates, the problem of thermal stagnation during the cooling and solidification process of the doghouse structure was solved, achieving the molding of high-strength and aesthetically perfect plastic parts, and reducing the complexity and cost of molds.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG DISHI TECH CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, Doghouse structures are prone to defects during material cooling and solidification while ensuring strength, such as shrinkage marks and insufficient strength caused by thermal stress.
The design adopts an irregular doghouse structure, forming a triangular structure by setting a first, second, and third inclined rib plate. The thickness is less than that of the overlapping plate, and the wall thickness ratio is controlled between 0.4 and 0.6 times. This optimizes the cooling rate and shrinkage uniformity. Combined with the thickened plate and draft angle design, the mold structure is simplified.
It effectively eliminates the thermal kink effect, improves the strength and appearance quality of the joints, reduces mold complexity and cost, and ensures the molding quality and structural reliability of plastic parts.
Smart Images
Figure CN224516622U_ABST
Abstract
Claims
1. A profiled doghouse structure comprising a connection part (1), a first inclined rib plate (2), a second inclined rib plate (3), a third inclined rib plate (4) and a lap plate (5), characterized in that: The first inclined rib (2) is arranged adjacent to the second inclined rib (3), the second inclined rib (3) is arranged adjacent to the third inclined rib (4), the first inclined rib (2) is arranged opposite to the third inclined rib (4), the first inclined rib (2), the second inclined rib (3) and the third inclined rib (4) extend outward from the overlapping plate (5) by a certain distance, the thickness of the first inclined rib (2), the second inclined rib (3) and the third inclined rib (4) is less than the thickness of the overlapping plate (5), and the connecting part (1) is arranged on the first inclined rib (2), the second inclined rib (3) or the third inclined rib (4) and extends in a direction perpendicular to the first inclined rib (2), the second inclined rib (3) or the third inclined rib (4).
2. The shaped doghouse structure of claim 1, wherein: The thickness of the lap plate (5) is between 1.6 and 2.5 times the thickness of the first inclined rib (2), the second inclined rib (3), or the third inclined rib (4).
3. The shaped doghouse structure of claim 1, wherein: The first inclined rib (2), the second inclined rib (3) and the third inclined rib (4) are connected to the fourth inclined rib (6). The edge of the fourth inclined rib (6) is flush with the first inclined rib (2) and the third inclined rib (4). The fourth inclined rib (6) is arranged opposite to the overlapping plate (5).
4. The profiled doghouse structure of claim 3, wherein: The connecting part (1) is arranged in a first direction perpendicular to the first inclined rib (2), and the fourth inclined rib (6) is provided with a fourth thickened plate (7) at one end near the first inclined rib (2), and the thickness of the fourth thickened plate (7) is greater than the thickness of the fourth inclined rib (6).
5. The profiled doghouse structure of claim 4, wherein: The second inclined rib (3) is provided with a second thickened plate (8) at one end near the first inclined rib (2), and the second thickened plate (8) is spaced a certain distance from the overlapping plate (5).
6. The profiled doghouse structure of claim 5, wherein: The first inclined rib (2) is provided with a first thickening plate (9), and the first thickening plate (9) is spaced a certain distance from the overlapping plate (5).
7. The profiled doghouse structure of claim 6, wherein: The overlapping plate (5) is at a certain angle to the first direction, and the second inclined rib (3) extends from the overlapping plate (5) along the first direction to the first inclined rib (2).
8. The profiled doghouse structure of claim 7, wherein: The connecting part (1), the outer side of the second inclined rib (3) and the fourth inclined rib (6) are provided with a draft angle for opening the mold along the first direction, and the inner side of the first inclined rib (2), the inner side of the second inclined rib (3), the inner side of the third inclined rib (4) and the inner side of the fourth inclined rib (6) are provided with a draft angle along the second direction.
9. The shaped doghouse structure of any of claims 1-8, wherein: A fifth rib (10) is provided between the connecting part (1) and the overlapping plate (5), and the fifth rib (10) extends along the first direction.
10. The shaped doghouse structure of any of claims 1-8, wherein: The first inclined rib (2) is provided with a positioning post (12), and the positioning post (12) is connected to the connecting part (1) through the sixth rib (11).