Aluminum-wood composite heat insulation threshold
By combining the outer sill of the aluminum alloy with the solid wood sill and using technical means such as aluminum alloy overbars and sealing strips, the problem of existing thresholds being unable to be insulated, heat-insulating and sound-insulating is achieved, and the raw materials are saved.
Patent Information
- Application Number
- CN202421616515.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The thresholds made of existing aluminum alloy profiles cannot meet the requirements of heat insulation, thermal insulation and sound insulation of doors.
The design is adopted to combine aluminum alloy outer sills and solid wood door sills, and the connection is fixedly connected by aluminum alloy overbars, and an insulation cavity and polyurethane foam filler are set in the sealing strips and heat insulation strips to improve the insulation effect.
It achieves good thermal insulation, heat insulation and sound insulation effects, while saving aluminum alloy raw materials.
Smart Images

Figure CN222894171U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to a threshold, in particular to an aluminum-wood composite heat-insulating threshold. Background Art
[0002] The current door thresholds are all made of aluminum alloy profiles, which meet the basic requirements of supporting door leaves and protection, but cannot meet the requirements of heat insulation, thermal insulation and sound insulation of the door. Summary of the invention
[0003] The purpose of the present invention is to solve the above-mentioned problem and provide an aluminum-wood composite thermal insulation threshold with an aluminum alloy outer sill on the left and a solid wood door sill on the right, characterized in that the aluminum alloy outer sill and the solid wood door sill are fixedly connected by an aluminum alloy transition strip.
[0004] The technical solution adopted by the utility model to solve the technical problem is: an aluminum-wood composite heat-insulating threshold, including an aluminum alloy outer sill and a solid wood threshold, characterized in that a filling cavity is provided in the aluminum alloy outer sill, a filling material fixing groove is provided at the upper left corner of the filling cavity, and a shoulder and a boss are provided at the upper right corner; a sealing groove is provided at the shoulder at the upper left corner of the solid wood threshold; the aluminum alloy outer sill and the solid wood threshold are connected by a special-shaped aluminum alloy transition strip, and the right side of the aluminum alloy transition strip is fixedly connected to the solid wood threshold by two screws; trapezoidal grooves 2 are provided on the upper and lower parts of the left side of the aluminum alloy transition strip, and trapezoidal grooves 1 are provided on the upper and lower parts of the right side of the aluminum alloy outer sill, and the trapezoidal grooves 1 and 2 are respectively connected to the trapezoidal bosses provided at both ends of the insulation strip; an insulation cavity 6 is provided in the middle of the insulation strip, and a sealing strip 1 is installed between the aluminum alloy outer sill and the upper part of the aluminum alloy transition strip.
[0005] The sealing groove arranged in the solid wood door sill is provided with a sealing strip 2, and a heat insulation cavity 4 and a heat insulation cavity 5 are arranged in the sealing strip 2.
[0006] A cavity is formed between the right side of the aluminum alloy outer sill, the left side of the aluminum alloy transition strip and the upper and lower sides of the heat insulation strip, and the cavity is filled with polyurethane foaming filling material.
[0007] The sealing strip 1 is provided with sealing strip grooves at both ends, and a heat insulation cavity 1 and two heat insulation cavities 2 are provided in the middle.
[0008] The beneficial effects of the utility model are: the utility model has good heat preservation, heat insulation and sound insulation effects, and saves aluminum alloy raw materials. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The following is a detailed description of the embodiments with reference to the accompanying drawings.
[0010] Figure 1 This is the front view of the aluminum-wood composite insulation threshold.
[0011] In the figure: 1-aluminum alloy outer sill; 1-1-filling cavity; 1-2-filling material fixing groove; 1-3-shoulder; 1-4-boss; 1-5-trapezoidal groove one; 2-sealing strip one; 2-1-sealing strip groove; 2-2-insulation cavity one; 2-3-insulation cavity two; 3-aluminum alloy transition strip; 3-1-trapezoidal groove two; 3-2-insulation cavity three; 4-sealing strip two; 4-1-insulation cavity four; 4-2-insulation cavity five; 5-solid wood sill; 5-1-sealing groove; 6-screw; 7-PVC buckle strip; 8-insulation strip; 8-1-trapezoidal boss; 8-2-insulation cavity six; 9-polyurethane foam filling material. DETAILED DESCRIPTION
[0012] Embodiment, referring to the accompanying drawings, an aluminum-wood composite heat-insulating threshold comprises an aluminum alloy outer sill 1 and a solid wood sill 5, characterized in that a filling cavity 1-1 is provided in the aluminum alloy outer sill 1, a filling material fixing groove 1-2 is provided at the upper left corner of the filling cavity 1-1, and a shoulder 1-3 and a boss 1-4 are provided at the upper right corner; a sealing groove 5-1 is provided at the shoulder at the upper left corner of the solid wood sill 5; the aluminum alloy outer sill 1 and the solid wood sill 5 are connected by a special-shaped aluminum alloy transition strip 3, and the right side of the aluminum alloy transition strip 3 is fixedly connected to the solid wood sill 5 by two screws 6; trapezoidal grooves 2 3-1 are provided on the upper and lower sides of the left side of the aluminum alloy transition strip 3, and trapezoidal grooves 1-5 are provided on the upper and lower sides of the right side of the aluminum alloy outer sill 1, and the trapezoidal grooves 1-5 and the trapezoidal grooves 2 3-1 are respectively connected to the trapezoidal bosses 8-1 provided at both ends of the insulation strip 8; an insulation cavity 6 8-2 is provided in the middle of the insulation strip 8, and a sealing strip 2 is installed between the aluminum alloy outer sill 1 and the upper part of the aluminum alloy transition strip 3.
[0013] The sealing groove 5-1 in the solid wood threshold 5 is provided with a sealing strip 2 4, and the sealing strip 2 4 is provided with a heat insulation cavity 4-1 and a heat insulation cavity 5 4-2.
[0014] A cavity is formed between the right side of the aluminum alloy outer sill 1, the left side of the aluminum alloy transition strip 3 and the upper and lower surfaces of the insulation strip 8, and a polyurethane foam filling material 9 is filled in the cavity.
[0015] The sealing strip 1 2 is provided with sealing strip grooves 2-1 at both ends, and a heat insulation cavity 1 2-2 and two heat insulation cavities 2-3 are provided in the middle.
Claims
1. An aluminum-wood composite thermal insulation threshold, comprising an aluminum alloy outer threshold (1) and a solid wood threshold (5), characterized in that The aluminum alloy outer sill (1) is provided with a filling cavity (1-1), a filling material fixing groove (1-2) is provided at the upper left corner of the filling cavity (1-1), and a shoulder (1-3) and a boss (1-4) are provided at the upper right corner; a sealing groove (5-1) is provided at the shoulder at the upper left corner of the solid wood sill (5); the aluminum alloy outer sill (1) and the solid wood sill (5) are connected by a special-shaped aluminum alloy transition strip (3), and the right side of the aluminum alloy transition strip (3) is connected to the solid wood sill (5) by two screws (6). The aluminum alloy transition strip (3) is fixedly connected; the left side of the aluminum alloy transition strip (3) is provided with a trapezoidal groove two (3-1) on the upper and lower sides, and the right side of the aluminum alloy outer sill (1) is provided with a trapezoidal groove one (1-5) on the upper and lower sides; the trapezoidal groove one (1-5) and the trapezoidal groove two (3-1) are respectively connected to the trapezoidal bosses (8-1) provided at both ends of the insulation strip (8); a heat insulation cavity six (8-2) is provided in the middle of the insulation strip (8); and a sealing strip one (2) is installed between the aluminum alloy outer sill (1) and the upper part of the aluminum alloy transition strip (3).
2. The aluminum-wood composite thermal insulation threshold according to claim 1, characterized in that The sealing groove (5-1) provided in the solid wood threshold (5) is provided with a sealing strip 2 (4), and a heat insulation cavity 4 (4-1) and a heat insulation cavity 5 (4-2) are provided in the sealing strip 2 (4).
3. The aluminum-wood composite thermal insulation threshold according to claim 1, characterized in that A cavity is formed between the right side of the aluminum alloy outer sill (1), the left side of the aluminum alloy transition strip (3) and the upper and lower sides of the heat insulation strip (8), and the cavity is filled with a polyurethane foam filling material (9).
4. The aluminum-wood composite thermal insulation threshold according to claim 1, characterized in that The sealing strip one (2) is provided with sealing strip grooves (2-1) at both ends, and a heat insulation cavity one (2-2) and two heat insulation cavities two (2-3) are provided in the middle.