Connecting piece for connecting door and window profiles and door and window profile splicing structure

Abstract

The utility model discloses a connecting piece used for connecting door and window profiles and a door and window profile splicing structure, the connecting piece comprises a connecting piece body, the connecting piece body is provided with a transverse connecting part, one end of the transverse connecting part is connected with a threaded connecting part, and the other end of the transverse connecting part is provided with a tightening head; the transverse connecting part is provided with a mounting groove for the locking piece to abut against. Therefore, the connecting piece body is arranged at the joint of the longitudinal section bar and the transverse section bar, so that the connecting piece body is convenient to mount, the section bars are not easy to loosen, and the connecting stability is better.

Description

Technical Field

[0001] This utility model relates to the field of doors and windows, and in particular to a connector for connecting door and window profiles and a splicing structure for door and window profiles. Background Technology

[0002] When manufacturing doors and windows using aluminum alloy profiles, adjacent longitudinal and transverse profiles must be securely connected to form the door and window frame. The firmness of the connection between the connectors and the door and window profiles is crucial to the stability of the finished door and window shape. A common 90° connection method for door and window profiles involves creating screw slots on the transverse profiles and then joining them with screws. The disadvantages of this method are that it requires multiple connection holes on both the transverse and longitudinal profiles, and the exposed screw heads on the longitudinal profiles make the profile surface prone to deformation, affecting aesthetics. Furthermore, the connection can loosen over time, posing a safety hazard.

[0003] Furthermore, when installing aluminum alloy grid strips on some existing grid doors and windows, holes are drilled from the back of the vertical grid strips, and then screws are used to connect the horizontal grid strips. The screw heads or screw holes can be seen from the back, or they need to be covered with decorative covers, which is unsightly and results in a poor user experience.

[0004] Therefore, a new technical solution needs to be researched to address the above problems. Utility Model Content

[0005] To address the shortcomings and deficiencies of the existing technology, this utility model provides a connector and splicing structure for connecting door and window profiles. By setting a connector body at the connection between longitudinal and transverse profiles, it is not only easy to install, but also prevents the profiles from loosening, resulting in better connection stability. It achieves a result where there are no openings, no bolt marks, and no exposed screws on the outer side of the profiles, resulting in an aesthetically pleasing appearance, excellent connection stability, and a superior user experience as the profiles are less prone to loosening.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A connector for connecting door and window profiles includes a connector body, the connector body having a transverse connecting portion, one end of the transverse connecting portion being connected to a threaded connecting portion, and the other end of the transverse connecting portion being provided with a tightening head; the transverse connecting portion is provided with an installation groove for a locking member to abut against.

[0008] As a preferred embodiment, a positioning step is provided at the connection between the threaded connection and the transverse connection.

[0009] As a preferred embodiment, the tightening head is a flathead screw head, a Phillips head screw head, or a hex head screw head.

[0010] As a preferred embodiment, the mounting groove is an annular groove, and both the left and right inner walls of the annular groove are provided with guide slopes.

[0011] A door and window profile splicing structure includes longitudinal profiles, transverse profiles, connectors, and locking components, wherein the connectors are the aforementioned type of connectors for connecting door and window profiles;

[0012] The inner side of the longitudinal profile is provided with a threaded hole that matches the threaded connection part, and the transverse profile is provided with a transverse cavity into which the transverse connection part can pass; the transverse profile is provided with a locking hole that matches the mounting groove. During installation, the locking member passes through the locking hole and the end of the member is located in the mounting groove.

[0013] As a preferred embodiment, the locking hole is located on the bottom or top surface of the transverse profile.

[0014] As a preferred embodiment, the longitudinal profiles are provided with connectors in pairs for connecting with the transverse profiles. The two connectors in a pair are located on the same horizontal plane, and the included angle ∠a of the two connectors facing the transverse profiles on the horizontal plane is 1° to 5°.

[0015] As a preferred embodiment, both the longitudinal and transverse profiles are aluminum profiles.

[0016] Compared with existing technologies, this utility model has significant advantages and beneficial effects. Specifically, as can be seen from the above technical solution, it mainly involves setting a connector body at the connection between the longitudinal and transverse profiles. This not only facilitates installation but also prevents the profiles from loosening, resulting in better connection stability. Simultaneously, it achieves an aesthetically pleasing effect with no openings, bolt marks, or exposed screws on the front and rear sides of the profiles. Specifically:

[0017] 1. The door and window sash of this utility model has tightening holes only on the top / bottom sides of the horizontal profiles. No holes are needed on the front / back sides of the vertical profiles. After the door and window are installed, the tightening holes of the horizontal profiles are located at the top or bottom without affecting the aesthetics, and the use and decoration effects are better.

[0018] Second, for the application of grid doors and windows, thanks to the fact that the connectors of this splicing structure can be set at a certain angle between each pair, the connected horizontal profiles are always subjected to clamping force, so that there are no openings, no bolt marks, and no exposed screws on the outer side of the profiles. The appearance is beautiful, the connection is stable, the profiles are not easy to loosen, and the user experience is good.

[0019] Third, the threaded connection of the connector is provided with a positioning step at the end, which helps to position and limit the depth of the connector body screwed into the profile, reducing the error of workers during splicing and affecting the stability of the product, while improving production efficiency.

[0020] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0021] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0022] Figure 2 This is a three-dimensional application diagram of an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of a planar application of an embodiment of the present utility model;

[0024] Figure 4 for Figure 3 Assembly diagram at point A;

[0025] Figure 5 for Figure 3 Cross-sectional view at point A in the middle;

[0026] Figure 6 for Figure 3 Assembly diagram at point B;

[0027] Figure 7 for Figure 3 Cross-sectional view at point B;

[0028] Figure 8 This is a schematic diagram of the installation of the connector body in an embodiment of this utility model.

[0029] Explanation of reference numerals in the attached diagram:

[0030] 10. Connector body; 11. Lateral connecting part; 12. Threaded connecting part; 13. Tightening head;

[0031] 14. Installation groove; 141. Guide slope; 15. Positioning step; 20. Longitudinal profile; 30. Transverse profile; 31. Transverse cavity; 32. Locking hole; 40. Locking element. Detailed Implementation

[0032] The technical solutions of this utility model in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only preferred embodiments of this utility model.

[0033] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0034] 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 in the description of the invention 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.

[0035] See attached document Figures 1 to 8 A connector for connecting door and window profiles and a door and window profile splicing structure according to an embodiment of the present utility model includes a connector body 10, the connector body 10 having a transverse connecting part 11, one end of the transverse connecting part 11 being connected to a threaded connecting part 12, and the other end of the transverse connecting part 11 being provided with a tightening head 13; the transverse connecting part 11 being provided with an installation groove 14 for a locking member 40 to abut against on the side near the tightening head 13.

[0036] Specifically, a positioning step 15 is provided at the connection between the threaded connection 12 and the transverse connection 11. This facilitates positioning and restricts the depth to which the connector body 10 is screwed into the (longitudinal) profile during use, reducing errors when workers assemble the longitudinal profile 20 and the transverse profile 30, ensuring product stability, and improving assembly efficiency. Typically, the tightening head 13 is a flathead, Phillips head, or hexagonal head screw, and these tightening tools are common and readily available; in this embodiment, the tightening head 13 is a flathead screw.

[0037] Specifically, the mounting groove 14 is an annular groove, and both the left and right inner walls of the annular groove are provided with guide slopes 141. This further facilitates the precise locking of the locking component 40, ensuring the structural stability and precision of the assembly.

[0038] This embodiment also discloses a door and window profile splicing structure, including a longitudinal profile 20, a transverse profile 30, a connector, and a locking member 40. The connector is a type of connector for connecting door and window profiles as described above. Specifically, the inner side of the longitudinal profile 20 is provided with a threaded hole adapted to the threaded connection part 12, and the transverse profile 30 is provided with a transverse cavity 31 into which the transverse connection part 11 can pass. The transverse profile 30 is provided with a locking hole 32 adapted to the mounting groove 14. During installation, the locking member 40 passes through the locking hole 32 with its inserted end located in the mounting groove 14. The locking hole 32 extends from the outside of the transverse profile 30 to the transverse cavity 31. Preferably, the locking hole 32 is located on the bottom or top surface of the transverse profile 30. This placement of the locking hole 32 on the bottom or top surface of the transverse profile 30 avoids direct exposure to the consumer's view (non-direct viewing surface), resulting in a better aesthetic effect. Furthermore, as described above, this structure only exposes the locking hole 32 / locking element 40 on the transverse profile 30, while there are no exposed holes on the longitudinal profile 20, leading to a better decorative effect. Both the longitudinal profile 20 and the transverse profile 30 are preferably made of aluminum, which has advantages such as light weight and long service life.

[0039] See Figure 3 This embodiment Figure 3 The doors and windows are the common type with striped panels. Figure 3 At point A, the longitudinal profile 20 is provided with two connectors for connecting to the first transverse profile 30. The two connectors are located on the same horizontal plane. Meanwhile, as... Figure 8 As shown, the two connectors facing the transverse profile 30 have an included angle ∠a of 1° to 5° on the horizontal plane; in this embodiment, ∠a is preferably 1°. This ensures that the transverse profile 30 is always subjected to clamping force, preventing the longitudinal profile 20 and the transverse profile 30 from loosening. Figure 3 At point B, there are four connectors arranged along the four corners of the rectangle, namely one pair of connectors at the top and one at the bottom. The arrangement of each pair of connectors is similar to that at point A, with a certain included angle, which makes the assembly of the transverse profile 30 more compact.

[0040] The key design feature of this utility model lies in its use of a connector body positioned at the junction of longitudinal and transverse profiles. This design not only facilitates installation but also prevents loosening between the profiles, resulting in superior connection stability. Furthermore, it achieves an aesthetically pleasing appearance by eliminating openings, bolt marks, and exposed screws on the front and rear sides of the profiles. Specifically:

[0041] 1. The door and window sash of this utility model has tightening holes only on the top / bottom sides of the horizontal profiles. No holes are needed on the front / back sides of the vertical profiles. After the door and window are installed, the tightening holes of the horizontal profiles are located at the top or bottom without affecting the aesthetics, and the use and decoration effects are better.

[0042] Second, for the application of grid doors and windows, thanks to the fact that the connectors of this splicing structure can be set at a certain angle between each pair, the connected horizontal profiles are always subjected to clamping force, so that there are no openings, no bolt marks, and no exposed screws on the outer side of the profiles. The appearance is beautiful, the connection is stable, the profiles are not easy to loosen, and the user experience is good.

[0043] Third, the threaded connection of the connector is provided with a positioning step at the end, which helps to position and limit the depth of the connector body screwed into the profile, reducing the error of workers during splicing and affecting the stability of the product, while improving production efficiency.

[0044] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A connector for connecting door and window profiles, characterized in that: It includes a connector body, the connector body having a transverse connecting portion, one end of the transverse connecting portion being connected to a threaded connecting portion, and the other end of the transverse connecting portion being provided with a tightening head; the transverse connecting portion is provided with an installation groove for a locking member to abut against.

2. A connector for connecting door and window profiles according to claim 1, characterized in that: A positioning step is provided at the connection between the threaded connection and the transverse connection.

3. A connector for connecting door and window profiles according to claim 2, characterized in that: The tightening head is a flathead screw head, a Phillips head screw head, or a hex head screw head.

4. A connector for connecting door and window profiles according to claim 1, characterized in that: The mounting groove is an annular groove, and both the left and right inner walls of the annular groove are provided with guide slopes.

5. A splicing structure for door and window profiles, characterized in that: It includes longitudinal profiles, transverse profiles, connectors, and locking components, wherein the connector is a connector for connecting door and window profiles as described in any one of claims 1 to 4; The inner side of the longitudinal profile is provided with a threaded hole that matches the threaded connection part, and the transverse profile is provided with a transverse cavity into which the transverse connection part can pass; the transverse profile is provided with a locking hole that matches the mounting groove. During installation, the locking member passes through the locking hole and the end of the member is located in the mounting groove.

6. The door and window profile splicing structure according to claim 5, characterized in that: The locking hole is located on the bottom or top surface of the transverse profile.

7. The door and window profile splicing structure according to claim 5, characterized in that: The longitudinal profiles are provided with connectors in pairs for connecting with the transverse profiles. The two connectors in a pair are located on the same horizontal plane, and the included angle ∠a of the two connectors facing the transverse profile on the horizontal plane is 1° to 5°.

8. The door and window profile splicing structure according to claim 7, characterized in that: Both the longitudinal and transverse profiles are aluminum profiles.

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