Sealing edge for door leaf rabbet and door leaf assembly

The door panel edge banding, made of aluminum alloy, features a design with inserts, structural grooves, and hooks, which solves the problems of easy deformation and detachment of traditional wooden door panel edge banding. This achieves high sealing performance and structural stability, and improves the durability and aesthetics of the door panel.

CN223794098UActive Publication Date: 2026-01-13GOLDENHOME LIVING CO LTD
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Patent Information

Application Number
CN202520261682.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-01-13
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Traditional wooden door panel sealing methods are prone to warping due to moisture, expansion and contraction due to heat, and peeling. They also lack structural strength and cannot guarantee long-term stability and aesthetics.

Method used

The first and second edge bands are made of aluminum alloy and are designed with inserts, structural glue grooves and hooks. The inserts are wedge-shaped protrusions, the edge bands are tightly spliced, the glue grooves hold glue, and the hooks cover the tongue and groove joints to enhance sealing and structural strength.

Benefits of technology

It improves the sealing and structural strength of the door leaf tongue and groove, prevents loosening and falling off, enhances durability and appearance integrity, resists environmental changes and wear, and ensures long-term stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The sealing edge comprises a first sealing edge body and a second sealing edge body which are spliced with each other, a first assembling face is formed on one side of the first sealing edge body, and a first rabbet face is formed on the other side of the first sealing edge body. A second assembling face is formed on one side of the second sealing edge, a second tongue-and-groove face matched with the first tongue-and-groove face is formed on the other side of the second sealing edge, and at least one of the first assembling face and the second assembling face is provided with a pin in an extending mode in the assembling direction of the first assembling face and the second assembling face, so that the sealing edge for the door leaf tongue-and-groove can be tightly meshed with an external door leaf, and the sealing performance is improved through the design. The sealing edge for the door leaf tongue-and-groove is effectively prevented from loosening, falling off and the like in the using process.
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Description

Technical Field

[0001] This utility model relates to the field of door tongue and groove technology, and in particular to a door tongue and groove edge banding and door assembly. Background Technology

[0002] As an important part of interior decoration, the aesthetics and structural stability of wooden doors have always been a concern. Traditionally, the tongue and groove edges of wooden doors are finished with solid wood edging or PVC hand-sealed edging. However, these methods have shortcomings in terms of construction and aesthetics. Solid wood edging is prone to warping due to moisture, while PVC edging may peel off due to thermal expansion and contraction. Furthermore, these edging methods are also lacking in structural strength; the edging is prone to deformation and peeling off over time, making it difficult to guarantee the long-term stability of the door. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of this utility model is to provide an edge banding for door tongue and groove joints.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A door leaf tongue and groove edge banding includes a first edge banding and a second edge banding that are spliced ​​together. The first edge banding has a first mounting surface on one side and a first tongue and groove surface on the other side. The second edge banding has a second mounting surface on one side and a second tongue and groove surface that is adapted to the first tongue and groove surface on the other side. At least one of the first mounting surface and the second mounting surface extends with a pin along its mounting direction.

[0006] Furthermore, at least one of the first and second assembly surfaces is provided with a plurality of structural adhesive grooves, the cross-section of which is semi-circular.

[0007] Furthermore, the first edge banding includes at least two connected first locking plates forming an angle, such that the first tongue and groove surface includes first abutting surfaces in at least two directions; the second edge banding includes at least two connected second locking plates forming an angle, and the second tongue and groove surface includes second abutting surfaces in at least two directions.

[0008] Furthermore, one end of the first edge seal extends toward the first mounting surface and forms a first hook; one end of the second edge seal extends toward the second mounting surface and forms a second hook.

[0009] Furthermore, the pin is a wedge-shaped protrusion with several locking teeth distributed on its outer periphery.

[0010] Furthermore, the first and second edge bandings are made of aluminum alloy.

[0011] A door panel assembly is applicable to the tongue and groove sealing of a door panel as described above, comprising a first door panel and a second door panel spliced ​​together, wherein a tongue and groove structure is formed between the first door panel and the second door panel, and the tongue and groove sealing is installed at the tongue and groove structure, wherein the first sealing and the second sealing are respectively fixed to the first door panel and the second door panel.

[0012] Furthermore, the first door leaf has a slot that is compatible with the pin.

[0013] Furthermore, it also includes a sound-dampening strip, one side of which is fixed to the first tongue and groove surface along the rotation direction of the first door leaf, and the other side can abut against the second tongue and groove surface.

[0014] The beneficial effects of this utility model are:

[0015] 1. The present invention provides a door leaf tongue and groove edge banding, comprising a first edge banding and a second edge banding spliced ​​together, wherein a first mounting surface is formed on one side of the first edge banding and a first tongue and groove surface is formed on the other side; a second mounting surface is formed on one side of the second edge banding and a second tongue and groove surface adapted to the first tongue and groove surface is formed on the other side; at least one of the first mounting surface and the second mounting surface extends with a pin along its mounting direction, so that the door leaf tongue and groove edge banding can form a tight interlock with the outer door leaf, improving the sealing performance. This design effectively prevents the door leaf tongue and groove edge banding from loosening or falling off during use.

[0016] 2. The door leaf tongue and groove edge banding proposed in this utility model has at least one of several structural adhesive grooves on the first and second assembly surfaces. The structural adhesive grooves can hold a certain amount of adhesive, ensuring that the door leaf tongue and groove edge banding has enough adhesive to bond with the external door leaf, avoiding the problem of weak connection due to insufficient adhesive, thereby effectively improving the connection strength.

[0017] 3. The present invention proposes a door leaf tongue and groove edge banding, wherein one end of the first edge banding extends toward the first mounting surface and forms a first hook; one end of the second edge banding extends toward the second mounting surface and forms a second hook, so that the first edge banding and the second edge banding can cover the tongue and groove, preventing external moisture from entering the door leaf from the tongue and groove. The structure is simple, easy to manufacture, and highly practical.

[0018] 4. The door leaf tongue and groove sealing edge proposed in this utility model has wedge-shaped protrusions with several teeth distributed on its outer periphery, which can improve the structural strength and load-bearing capacity of the protrusions, enabling them to withstand greater loads. Even when subjected to external forces or vibrations, the door leaf tongue and groove sealing edge can maintain a good connection state and protect the tongue and groove structure.

[0019] 5. The present invention proposes a door tongue and groove edge banding, wherein the first and second edge bandings are made of aluminum alloy material, which will not deform due to moisture, and can resist wear, scratches and impacts in daily use, ensuring that the first and second edge bandings will not deform due to environmental changes or long-term use, and always maintain good appearance and structural integrity, providing reliable protection for the tongue and groove structure. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of a door leaf tongue and groove edge banding according to the present invention;

[0022] Figure 2 This is a schematic diagram of the first edge banding for a door leaf tongue and groove joint according to the present invention;

[0023] Figure 3 This is a schematic diagram of the second edge sealing for a door leaf tongue and groove joint according to the present invention;

[0024] Figure 4 A schematic diagram of a door leaf with a tongue and groove edge banding according to the present invention;

[0025] Figure 5 for Figure 4 A magnified view of a portion of point A in the middle.

[0026] In the diagram, 10 is the first edge banding; 101 is the pin; 102 is the locking tooth; 103 is the first hook; 20 is the second edge banding; 201 is the structural adhesive groove; 202 is the second hook; 30 is the sound-absorbing adhesive strip; 40 is the slot; 50 is the first door leaf; and 60 is the second door leaf. Detailed Implementation

[0027] Example 1

[0028] The following is combined Figures 1 to 3 Example 1 will be described in detail.

[0029] This embodiment provides a sealing edge for door leaf tongue and groove joints, such as... Figure 1As shown, the device includes a first edge banding 10 and a second edge banding 20 that are spliced ​​together. The first edge banding 10 has a first mounting surface on one side and a first tongue-and-groove surface on the other side. The second edge banding 20 has a second mounting surface on one side and a second tongue-and-groove surface that matches the first tongue-and-groove surface on the other side. At least one of the first and second mounting surfaces extends a pin 101 along its mounting direction. In use, the pin 101 is inserted into the door leaf, so that the tongue-and-groove edge banding of the door leaf can form a tight fit with the outer door leaf, improving its sealing performance. The tongue-and-groove after edge banding has a certain buffering effect, which can reduce the damage to the door leaf caused by collision during use to a certain extent, protect the corners of the door leaf, and make it more durable.

[0030] In this embodiment, at least one of the first and second assembly surfaces is provided with a plurality of structural adhesive grooves 201, and the cross-section of the structural adhesive grooves 201 is semi-circular. Specifically, the first assembly surface extends with a pin 101, and the second assembly surface is provided with structural adhesive grooves 201. In some embodiments, the first and second assembly surfaces can be configured identically, or both pins 101 and structural adhesive grooves 201 can be provided simultaneously. Furthermore, the pin 101 is wedge-shaped protrusion, and a plurality of retaining teeth 102 are distributed on its outer periphery, which can improve the structural strength and load-bearing capacity of the pin 101.

[0031] In this embodiment, the first edge sealing 10 includes at least two connected first engaging plates forming an included angle, such that the first tongue and groove surface includes first abutting surfaces in at least two directions; the second edge sealing 20 includes at least two connected second engaging plates forming an included angle, and the second tongue and groove surface includes second abutting surfaces in at least two directions. Specifically, the first edge sealing 10 includes two vertically connected first engaging plates, and the second edge sealing 20 includes two vertically connected second engaging plates. In some embodiments,

[0032] In this embodiment, as Figure 2 and Figure 3 As shown, one end of the first edge banding 10 extends toward the first mounting surface and forms a first hook 103; one end of the second edge banding 20 extends toward the second mounting surface and forms a second hook 202. During installation, the two door leaves at the tongue and groove joint can be respectively engaged in the first hook 103 and the second hook 202 to protect the tongue and groove structure.

[0033] In this embodiment, the first edge seal 10 and the second edge seal 20 are made of aluminum alloy material, which has high hardness, can effectively resist external impacts and collisions, and is not easily scratched or worn, thus offering high cost performance.

[0034] Example 2

[0035] The following is combined Figures 4 to 5 Example 2 will be described in detail.

[0036] This embodiment provides a gate, such as Figure 4 and Figure 5 As shown, the device includes a first door leaf 50 and a second door leaf 60 that are spliced ​​together. A tongue-and-groove structure is formed between the first door leaf 50 and the second door leaf 60, and a door leaf tongue-and-groove sealing edge as described above is installed at the tongue-and-groove structure. Specifically, the first door leaf 50 is an operable door leaf, which is frequently opened and closed during use, and a first sealing edge 10 is installed at the tongue-and-groove structure of the first door leaf 50; the second door leaf 60 is a normally closed door leaf, and a second sealing edge 20 is installed at the tongue-and-groove structure. In the closed state, the first door leaf 50 is closed and fits against the second door leaf 60, with the first tongue-and-groove surface abutting against the second tongue-and-groove surface, preventing the first door leaf 50 from rotating in the opposite direction; in the open state, the first door leaf 50 rotates away from the second door leaf 60, that is, the first tongue-and-groove surface leaves the second tongue-and-groove surface. In some embodiments, the first door leaf 50 is a normally closed door leaf, and the second door leaf 60 is an operable door leaf.

[0037] In this embodiment, the first door leaf 50 has a slot 40 that matches the pin 101. During installation, the pin 101 is inserted into the slot 40, so that the first sealing edge 10 is fixed to the first door leaf 50. Then, glue is injected into the structural glue groove 201 to fix the second sealing edge 20 to the second door leaf 60. After installation, the first tongue and the second tongue are fitted together. When the first door leaf 50 is closed, the second sealing edge 20 can stop the first door leaf 50 and prevent the first door leaf 50 from rotating in the opposite direction.

[0038] In this embodiment, a sound-dampening strip 30 is also included, which is snapped between the first tongue and groove surface and the second tongue and groove surface. The sound-dampening strip 30 is fixed to the first door leaf 50. Specifically, one side of the sound-dampening strip 30 is fixed to the first tongue and groove surface along the rotation direction of the first door leaf 50, that is, it is set at the first tongue and groove surface where the first door leaf 50 collides with the second door leaf 60 during the closing process. When the first door leaf 50 is closed, the sound-dampening strip 30 can simultaneously adhere to the first tongue and groove surface and the second tongue and groove surface, effectively absorbing the impact force when the first door leaf 50 closes, reducing the noise generated by the collision between the first door leaf 50 and the second door leaf 60, and also reducing the wear of the first edge seal 10 and the second edge seal 20, extending their service life. In some embodiments, the sound-dampening strip 30 can also cover the entire first tongue and groove surface.

[0039] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A door leaf rebate edge comprising a first edge and a second edge which are spliced to each other, characterized in that, One side of the first edge band forms a first assembly surface, and the other side forms a first rabbet surface; one side of the second edge band forms a second assembly surface, and the other side forms a second rabbet surface which is matched with the first rabbet surface, and at least one of the first assembly surface and the second assembly surface further extends a plug-in foot along the assembly direction thereof.

2. An edge covering for a door leaf rebate as claimed in claim 1, characterised in that, At least one of the first assembly surface and the second assembly surface is provided with a plurality of structural glue grooves, and the cross section of the structural glue groove is semicircular.

3. An edge covering for a door leaf rebate as claimed in claim 2, characterised in that, The first edge band comprises at least two first clamping plates which are connected and form an included angle, so that the first rabbet surface comprises at least two first abutting surfaces in different directions; the second edge band comprises at least two second clamping plates which are connected and form an included angle, so that the second rabbet surface comprises at least two second abutting surfaces in different directions.

4. An edge covering for a door stile rebate as claimed in claim 2, characterised in that, One end of the first edge band extends towards the first assembly surface and forms a first hook portion; one end of the second edge band extends towards the second assembly surface and forms a second hook portion.

5. An edge covering for a door stile rebate as claimed in claim 3 or 4, characterised in that, The plug-in foot is a wedge-shaped protrusion, and a plurality of clamping teeth are distributed on the outer periphery thereof.

6. An edge covering for a door leaf rebate as claimed in claim 5, characterised in that, The first edge band and the second edge band are made of aluminum alloy material.

7. A door leaf assembly adapted for use with an edge covering for a door leaf rebate as claimed in any one of claims 1 to 6, characterised in that, The door comprises a first door leaf and a second door leaf which are spliced with each other, a rabbet structure is formed between the first door leaf and the second door leaf, an edge band is used to install the door leaf rabbet at the rabbet structure, and the first edge band and the second edge band are respectively fixed on the first door leaf and the second door leaf.

8. A door leaf assembly as claimed in claim 7, characterised in that, The first door leaf is provided with a clamping groove which is matched with the plug-in foot.

9. A door leaf assembly as claimed in claim 8, characterised in that, The door further comprises a soundproof adhesive strip, one side of the soundproof adhesive strip is fixed on the first rabbet surface along the rotation direction of the first door leaf, and the other side can abut against the second rabbet surface.