Door and window splicing frame connecting structure
By using additional profiles and sealing strips at the door and window joints, the problem of insufficient heat insulation and waterproofing performance of traditional door and window joint structures is solved, achieving greater integrity and aesthetics.
Patent Information
- Application Number
- CN202422877026.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Traditional door and window connection structures are inadequate in terms of heat insulation and waterproofing performance, especially when installing large windows or multiple window types in combination, the overall integrity of the connection points is not high and the waterproofing performance is poor.
The design employs additional profiles and rubber strips. The additional profiles are connected to the door and window frames via rubber strips. A sealing ring is installed in the sealing groove, and thermal insulation cotton is installed between adjacent door and window frames. The rubber strips are made of EPDM, and the additional profiles are made of aluminum alloy. The connectors are snapped into the grooves of the door and window frames. The rubber strips have snap-fit and limiting structures to ensure a stable connection.
It improves the waterproof and heat insulation performance of door and window joints while maintaining aesthetics, avoiding exposed screws, and enhancing the overall integrity of the connection.
Smart Images

Figure CN223536216U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of door and window technology, and in particular to a door and window frame connection structure. Background Technology
[0002] In the installation of aluminum alloy doors and windows, mullions are often used when installing windows that are too large or when combining different window types. Traditional door and window frames are directly connected by self-tapping screws or aluminum alloy tubing, which results in poor overall integrity at the connection point and poor heat insulation and waterproofing performance. Utility Model Content
[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a door and window frame connection structure that can solve the problem of poor heat insulation and waterproof performance at the connection points of traditional doors and windows.
[0004] Therefore, the present invention adopts the following technical solution:
[0005] A door and window frame connection structure includes several additional profiles fixed in slots in the door and window frames by screws. One side of each additional profile has an opening groove for installing a sealing strip. Two additional profiles between two adjacent door and window frames are aligned by inserting the sealing strip. The end of each additional profile that abuts against the door and window frame has a sealing groove. The sealing groove is located near the indoor / outdoor side and has a sealing ring inside.
[0006] Based on the above technical solutions, the present invention may also adopt the following further technical solutions, or combine these further technical solutions:
[0007] Insulation cotton is installed in the cavity formed between the two adjacent door and window frames and the additional profile.
[0008] The adhesive strip is made of EPDM.
[0009] The additional profile is provided with a connector at one end for connecting to the door and window frame, and the connector can be snapped into the groove of the door and window frame.
[0010] The inner wall of the opening groove of the additional profile is provided with a snap-fit groove.
[0011] The adhesive strip is used to insert into the opening groove, and one end of the strip has two "eight"-shaped abutment strips.
[0012] The side of the adhesive strip is provided with a protruding snap-fit strip, which can snap into the snap-fit groove.
[0013] The side of the adhesive strip is also provided with a raised limiting strip, and the portion of the adhesive strip located on one side of the limiting strip can be inserted into the opening groove, and the side of the limiting strip abuts against the side of the additional profile.
[0014] The surface of the adhesive strip away from the abutment strip is also provided with several serrated snap-fit strips.
[0015] The additional profile is made of aluminum alloy.
[0016] Compared with the prior art, this utility model has the following advantages and beneficial effects: by setting additional profiles and rubber strips, the two doors and windows can be connected by insertion; a sealing rubber ring is set in the sealing groove of the additional profile to ensure the waterproof performance of the connection between the additional profile and the door and window frame; the thermal insulation performance of the overall structure is improved by setting thermal insulation cotton; there are no exposed screws or screw holes on the visible surface of the overall structure, which has a good aesthetic appearance. Attached Figure Description
[0017] Figure 1 This is a cross-sectional structural diagram of the present invention in application.
[0018] Figure 2 This is a cross-sectional structural diagram of the additional profile of this utility model.
[0019] Figure 3 This is a cross-sectional structural diagram of the adhesive strip of this utility model. Detailed Implementation
[0020] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote elements with the same or similar functions throughout. However, it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting this utility model. To better illustrate this embodiment, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product size. It is understandable for those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and should not be construed as limiting this utility model.
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention.
[0022] This utility model provides a door and window frame connection structure, including several additional profiles 2 fixed in the groove of the door and window frame 1 by screws. One side of the additional profile 2 is provided with an opening groove 21 for installing a rubber strip 3. Two additional profiles 2 between two adjacent door and window frames 1 are aligned by inserting the rubber strip 3. The end of the additional profile 2 that abuts against the door and window frame 1 is provided with a sealing groove 22. The sealing groove 22 is located near the indoor / outdoor side, and a sealing rubber ring 4 is provided in the sealing groove 22.
[0023] according to Figure 1 It can be seen that the two additional profiles 2 on the indoor and outdoor sides are symmetrically arranged.
[0024] Insulation cotton 5 is installed in the cavity formed between the two adjacent door and window frames 1 and the additional profile 2 to improve the thermal insulation performance of the overall structure.
[0025] The rubber strip 3 is made of EPDM with a high Shore hardness, which facilitates the insertion of the two door and window frames 1. The sealing ring 4 is also made of EPDM with a high Shore hardness.
[0026] The additional profile 2 is provided with a connector 23 at one end for connecting to the door and window frame 1. The connector 23 can be snapped into the groove of the door and window frame 1.
[0027] The inner wall of the opening groove 21 of the additional profile 2 is provided with a snap-fit groove 24.
[0028] The adhesive strip 3 is used to insert into the opening groove 21. One end of the adhesive strip 3 is provided with two "eight" shaped abutment strips 31. The abutment strips 31 are "eight" shaped and narrow at the front end, which makes it easy to insert into the opening groove 21 and can prevent the adhesive strip 3 from coming out of the opening groove 21 in the opposite direction.
[0029] The side of the adhesive strip 3 is provided with a protruding snap-fit strip 32, which can snap into the snap-fit groove 24, thus preventing the adhesive strip 3 from coming out of the opening groove 21 in the opposite direction.
[0030] The side of the adhesive strip 3 is also provided with a raised limiting strip 34. The part of the adhesive strip 3 located on one side of the limiting strip 34 can be inserted into the opening groove 21. The side of the limiting strip 34 abuts against the side of the additional profile 2. The limiting strip 34 is used to limit and determine the length of the adhesive strip 3 inserted into the opening groove 21.
[0031] The surface of the adhesive strip 3 away from the abutment strip 31 is also provided with several serrated snap-fit strips 35, which are used to adjust the error generated during insertion.
[0032] The additional profile 2 is made of aluminum alloy.
[0033] The installation method of the door and window frame connection structure of this utility model is as follows:
[0034] Cut additional profiles 2 and rubber strips 3 to the appropriate length according to the length of the door and window frame. Embed the sealing ring 4 into the sealing groove 22 of the additional profile 2. Fix the additional profile 2 with screws in the groove of the frame of the two doors and windows to be spliced. At this time, the connector 23 of the additional profile 2 is snapped into the groove of the door and window frame 1. Insert the rubber strip 3 into the additional profile 2 connected to one door and window until the limiting strip 34 on the rubber strip 3 abuts against the side of the additional profile 2. Align the snap-fit groove 24 of the additional profile 2 connected to the other door and window with the exposed end of the rubber strip 3 and insert it to complete the splicing of the two doors and windows. Since the rubber strip 3 is provided with several serrated snap-fit strips 35, it is convenient to adjust the installation error.
[0035] Based on the description and drawings of this utility model, those skilled in the art can easily manufacture or use the door and window frame connection structure of this utility model, and can produce the positive effects described in this utility model.
[0036] It should be noted that the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this utility model are intended to cover non-exclusive inclusion. The terms "installed," "set," "equipped with," "connected," "connected," and "sleeve-in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two mechanisms, elements, or components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0037] In the description of this utility model, it should be understood that the terms "one end," "the other end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," and "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the mechanism or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first" and "second" are also used only for the sake of brevity in description and do not indicate or imply relative importance.
[0038] Furthermore, in practicing the claims of this utility model, those skilled in the art can understand and influence variations to the disclosed embodiments through a study of the drawings, the disclosure, and the appended claims. Additionally, in the claims and description, words such as "comprising" and "containing" do not exclude other elements or steps, and non-plural nouns do not exclude their plural forms.
[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the present utility model are covered by the scope of the claims of the present utility model, and will not be listed here.
Claims
1. A door and window frame connection structure, characterized in that, Includes several additional profiles (2) that are fixed in the groove of the door and window frame (1) by screws. One side of the additional profile (2) is provided with an opening groove (21) for installing the rubber strip (3). Two additional profiles (2) between two adjacent door and window frames (1) are aligned by the rubber strip (3). The end of the additional profile (2) that abuts against the door and window frame (1) is provided with a sealing groove (22). The sealing groove (22) is provided near the indoor / outdoor side. A sealing rubber ring (4) is provided in the sealing groove (22).
2. The door and window frame connection structure as described in claim 1, characterized in that, Insulation cotton (5) is provided in the cavity formed between the two adjacent door and window frames (1) and the additional profile (2).
3. The door and window frame connection structure as described in claim 1, characterized in that, The adhesive strip (3) is made of EPDM.
4. The door and window frame connection structure as described in claim 1, characterized in that, The additional profile (2) is provided with a connector (23) at one end for connecting the door and window frame (1), and the connector (23) can be snapped into the groove of the door and window frame (1).
5. The door and window frame connection structure as described in claim 1, characterized in that, The inner wall of the opening groove (21) of the additional profile (2) is provided with a snap-fit groove (24).
6. The door and window frame connection structure as described in claim 1, characterized in that, The adhesive strip (3) is used to insert into the opening groove (21), and has two "eight" shaped abutment strips (31) at one end.
7. The door and window frame connection structure as described in claim 5, characterized in that, The side of the adhesive strip (3) is provided with a protruding snap-fit strip (32), which can snap into the snap-fit groove (24).
8. The door and window frame connection structure as described in claim 7, characterized in that, The side of the adhesive strip (3) is also provided with a protruding limiting strip (34). The part of the adhesive strip (3) located on one side of the limiting strip (34) can be inserted into the opening groove (21). The side of the limiting strip (34) abuts against the side of the additional profile (2).
9. A door and window frame connection structure as described in claim 6, characterized in that, The adhesive strip (3) is further provided with a number of serrated snap-fit strips (35) on the side surface away from the abutment strip (31).
10. The door and window frame connection structure as described in claim 1, characterized in that, The additional profile (2) is made of aluminum alloy.