Novel UPVC folding door
By using high-strength UPVC profiles and internal linings, the problem of poor heat insulation in aluminum alloy folding doors has been solved, achieving the effects of low heat conduction, high strength, and low cost.
Patent Information
- Application Number
- CN202520123402.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing aluminum alloy folding doors have poor heat insulation performance, are complex to manufacture, and are costly.
High-strength UPVC profiles are used for the door frame and door leaf, with internal lining to enhance overall strength, and a sealant is installed between the door leaf and the door frame to improve the sealing and heat insulation effect.
This has resulted in UPVC folding doors with low thermal conductivity, high strength, simple processing, and low cost, improving sealing and insulation performance as well as overall strength.
Smart Images
Figure CN223767379U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of door and window technology, and in particular to a novel UPVC folding door. Background Technology
[0002] Currently, most folding doors on the market are made of aluminum alloy. However, aluminum alloy is not good at blocking heat, so it needs to be connected by heat insulation strips, which is complicated and costly.
[0003] Therefore, there is an urgent need to design a new type of UPVC folding door, in which the door frame and door leaf are made of high-strength UPVC profiles, the overall strength of the folding door is improved by setting linings in the installation cavity of the door frame and door leaf, and the sealing and heat insulation effect is improved by setting seals in the inner and outer gaps between the door leaf and the door frame. It has the characteristics of low thermal conductivity, high strength, simple processing and low cost. Utility Model Content
[0004] To solve the above problems, the technical solution adopted by this utility model is as follows:
[0005] A novel UPVC folding door includes a door frame and a door leaf that is rotatably hinged to the door frame via hinges. The door frame and door leaf are made of UPVC profiles. The door frame includes a door frame body and a door frame liner. At least one door frame mounting cavity is provided in the middle of the door frame body, and multiple door frame heat insulation cavities are formed from the middle to the outer edge of the door frame body. The door frame liner is disposed within the door frame mounting cavity. The door leaf includes a door leaf body and a door leaf liner. At least one door leaf mounting cavity is provided in the middle of the door leaf body, and multiple door leaf heat insulation cavities are formed from the middle to the outer edge of the door leaf body. The door leaf liner and door frame liner are used to respectively enhance the strength of the door leaf body and the door frame body.
[0006] A sealing component is installed on the inner and outer gaps between the door leaf and the door frame.
[0007] Preferably, door frame inserts are provided in the recesses of the door frames on both the left and right sides, and the door frame inserts are made of UPVC profiles.
[0008] Preferably, the door frame insert has an insert mounting cavity, and the insert mounting cavity has a door leaf liner.
[0009] Preferably, an aluminum alloy track is provided in the recess of the door frame described above.
[0010] Preferably, the door leaf, including the door leaf liner and the door frame liner, is a hollow frame structure.
[0011] Preferably, the door leaf liner and the door frame liner are made of high-strength metal materials.
[0012] Preferably, the sealing assembly includes a first sealing strip and a second sealing strip that cooperate with each other and are respectively connected to the door frame and the door leaf.
[0013] Preferably, inclined platforms are provided on the inner and outer sides of the door frame described below.
[0014] Preferably, the door panel is equipped with double-layered hollow heat-insulating glass.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] This utility model uses high-strength UPVC profiles for the door frame and door leaf. It improves the overall strength of the folding door by setting linings in the installation cavity of the door frame and door leaf, and improves the sealing and heat insulation effect by setting seals in the inner and outer gaps between the door leaf and the door frame. It has the characteristics of low thermal conductivity, high strength, simple processing and low cost. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0018] Figure 2 This is the front view of the present invention;
[0019] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure of the middle AA section;
[0020] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure of the middle BB section;
[0021] The components include: door frame 1, door leaf 2, sealing assembly 3, door frame insert 4, aluminum alloy track 5, double-glazed insulated glass 6, inclined platform 7, door frame body 11, door frame liner 12, door leaf body 21, door leaf liner 22, first sealing strip 31, second sealing strip 32, door frame mounting cavity 10, door frame insulation cavity 20, door leaf mounting cavity 30, door leaf insulation cavity 40, and insert mounting cavity 50. Detailed Implementation
[0022] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.
[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," "up," "down," "front," "back," and similar expressions used in this document are for illustrative purposes only.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0025] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments:
[0026] like Figure 1-4 As shown, a novel UPVC folding door includes a door frame 1 and a door leaf 2 that is rotatably hinged to the door frame 1 via hinges (not shown in the figure). The door frame 1 and the door leaf 2 are made of UPVC profiles. The door frame 1 includes a door frame body 11 and a door frame liner 12. The door frame body 11 has at least one door frame mounting cavity 10 in the middle and multiple door frame heat insulation cavities 20 are formed from the middle to the outside of the door frame body 11. The door frame liner 12 is disposed in the door frame mounting cavity 10. The door leaf 2 includes a door leaf body 21 and a door leaf liner 22. The door leaf body 21 has at least one door leaf mounting cavity 30 in the middle and multiple door leaf heat insulation cavities 40 are formed from the middle to the outside of the door leaf body 21. The door leaf liner 22 is disposed in the door leaf mounting cavity 30. The door leaf liner 22 and the door frame liner 12 are used to enhance the strength of the door leaf body 21 and the door frame body 11, respectively.
[0027] A sealing component 3 is provided on the inner and outer gaps between the door leaf 2 and the door frame 1.
[0028] In this embodiment, the door frame 1 and door leaf 2 are made of high-strength UPVC profiles. The overall strength of the folding door is improved by setting linings in the heat insulation cavity of the door frame 1 and door leaf 2. The sealing and heat insulation effect is improved by setting sealing elements in the inner and outer gaps between the door leaf 2 and the door frame 1. Compared with the existing folding door which is mainly made of aluminum alloy, it has the characteristics of low thermal conductivity, high strength, simple processing and low cost.
[0029] In this embodiment, the heat insulation cavity enhances the heat insulation and sound insulation effects of the door leaf body 21 and the door frame body 11.
[0030] Furthermore, such as Figure 2 , 3 As shown, in order to improve the strength of the left and right door frame bodies 11, door frame inserts 4 are provided in the recesses of the left and right door frame bodies 1, and the door frame inserts 4 are UPVC profiles.
[0031] Furthermore, such as Figure 2 , 3 As shown, in order to improve the overall strength of the left and right door frames 1, the door frame insert 4 is provided with an insert mounting cavity 50, and the insert mounting cavity 50 is provided with a door leaf liner 22.
[0032] Furthermore, such as Figure 2 , 3 As shown, in order to improve the strength of the door frame 1 above and to be compatible with sliding doors, an aluminum alloy track 5 is provided in the cavity of the door frame 1 above.
[0033] Furthermore, such as Figure 2 , 3 As shown, in order to improve strength while reducing weight, saving costs and ensuring heat insulation effect, the door leaf 2 includes a door leaf liner 22 and a door frame liner 12, which are hollow frame structures.
[0034] In this embodiment, the door leaf liner 22 is a hollow frame structure.
[0035] Furthermore, the door leaf liner 22 and the door frame liner 12 are made of high-strength metal materials, and the door leaf liner 22 and the door frame liner 12 are steel liners.
[0036] Furthermore, such as Figure 2 , 3 As shown, in order to improve the sealing effect of the folding door when closed, the sealing assembly 3 includes a first sealing strip 31 and a second sealing strip 32 that cooperate with each other and are respectively connected to the door frame 1 and the door leaf 2.
[0037] Furthermore, such as Figure 3 As shown, in order to protect the lower door frame 1 and prevent the protruding door frame 1 from knocking over the user, the lower door frame 1 is provided with inclined platforms 7 on its inner and outer sides.
[0038] Furthermore, such as Figure 2 , 3 As shown, in order to improve the heat insulation effect of the door leaf 2, a double-layer hollow heat-insulating glass 6 is installed inside the door leaf 2.
[0039] For those skilled in the art, various other corresponding changes and modifications can be made based on the technical solutions and concepts described above, and all such changes and modifications should fall within the protection scope of the claims of this utility model patent.
Claims
1. A new type of UPVC folding door comprising a door frame and a door leaf which is rotatably hinged to the door frame by means of a hinge, characterized in that, The door frame and the door leaf are UPVC profiles, the door frame comprises a door frame body and a door frame lining, the middle part of the door frame body is provided with at least one door frame mounting cavity, and a plurality of door frame heat insulation cavities are arranged on the position from the middle part to the outside of the door frame body; the door frame lining is arranged in the door frame mounting cavity; the door leaf comprises a door leaf body and a door leaf lining, the middle part of the door leaf body is provided with at least one door leaf mounting cavity, and a plurality of door leaf heat insulation cavities are arranged on the position from the middle part to the outside of the door leaf body; the door leaf lining is arranged in the door leaf mounting cavity; the door leaf lining and the door frame lining are used for respectively improving the strength of the door leaf body and the door frame body. A sealing assembly is arranged on the inner and outer side gaps between the door leaf and the door frame.
2. A new type of UPVC folding door as claimed in claim 1, wherein, A door frame insert is arranged in the concave cavity of the door frame on the left and right sides, and the door frame insert is a UPVC profile.
3. A new type of UPVC folding door as claimed in claim 2, wherein, An insert mounting cavity is arranged in the door frame insert, and a door leaf lining is arranged in the insert mounting cavity.
4. A new type of UPVC folding door as claimed in claim 1, wherein, An aluminum alloy track is arranged in the concave cavity of the door frame on the top.
5. A new type of UPVC folding door as claimed in claim 1, wherein, The door leaf lining and the door frame lining are hollow frame structures.
6. A new type of UPVC folding door as claimed in claim 5, wherein, The door leaf lining and the door frame lining are high-strength metal materials.
7. A new type of UPVC folding door as claimed in claim 1, wherein, The sealing assembly comprises a first sealing strip and a second sealing strip which are matched with each other and connected with the door frame and the door leaf respectively.
8. A new type of UPVC folding door as claimed in claim 1, wherein, An inclined platform is arranged on the inner and outer sides of the door frame on the bottom.
9. A new type of UPVC folding door as claimed in claim 1, wherein, Double-layer hollow heat insulation glass is arranged in the door leaf.