CN213807339U

CN213807339U - Door leaf keel structure

Info

Publication number: CN213807339U
Application number: CN202021445749.4U
Authority: CN
Inventors: 涂冬辉
Original assignee: Guangdong Diyasen Decoration Materials Co ltd
Current assignee: Guangdong Diyasen Decoration Materials Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-07-27
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a door leaf keel structure, which comprises a first keel and a second keel which are adjacent to each other, and also comprises a plug connector; a first inserting groove is formed in the side wall of the first keel; a second inserting groove is formed in the side wall of the second keel; the plug connector comprises a first plug part and a second plug part which are connected; the first inserting part is inserted into the first inserting groove, and the second inserting part is inserted into the second inserting groove. The utility model provides a door leaf keel structure, its structural stability is higher, and the concatenation precision is high, and rigidity, bending resistance, antitorque ability are good to improve the door leaf quality.

Description

Door leaf keel structure

Technical Field

The utility model relates to a door leaf field especially relates to a door leaf keel structure.

Background

The door leaf keel is a keel wrapped in the door leaf and mainly plays a role in supporting and fixing the veneer. As shown in fig. 1 and 2, the conventional door leaf keel includes two vertical keels 1 'and two horizontal keels 2', and four keels are connected end to form a door leaf keel body. And the end parts of the vertical keel 1 ' and the horizontal keel 2 ' are connected through a quick-assembly corner connector assembly 5 '. After the door leaf keel main body is spliced, the veneer 6' can be spliced on the two sides of the door leaf keel main body.

However, due to the structural characteristics of the quick-assembly corner brace assembly 5 ', the outer edge portions of the vertical keel 1 ' and the horizontal keel 2 ' are mainly fixed when the two are connected, and the inner edge portions of the door leaf at the end splicing positions of the vertical keel 1 ' and the horizontal keel 2 ' are not effectively positioned and fixed, so that the splicing end faces of the two portions cannot be completely aligned, and a part with a local bulge exists. The raised part can scratch the veneer 6 'and can also cause the veneer 6' to be jacked up, the front veneer 6 'and the rear veneer 6' are not parallel, and the quality of the door leaf is poor. In addition, door leaf fossil fragments overall connection intensity is poor, and rigidity, bending resistance, torsion resistance are not enough, appear warping easily after using a period, and four angles of door leaf fossil fragments drop easily, the fracture.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a door leaf keel structure, its structural stability is higher, and the concatenation precision is high, and rigidity, bending resistance, antitorque ability are good to improve the door leaf quality.

In order to achieve the purpose, the utility model provides a door leaf keel structure, which comprises a first keel and a second keel which are adjacent, and also comprises a plug connector; a first inserting groove is formed in the side wall of the first keel; a second inserting groove is formed in the side wall of the second keel; the plug connector comprises a first plug part and a second plug part which are connected; the first inserting part is inserted into the first inserting groove, and the second inserting part is inserted into the second inserting groove.

As a further improvement of the utility model, the length directions of the first keel and the second keel form an included angle with each other; the first inserting groove is parallel to the length direction of the first keel, and the second inserting groove is parallel to the length direction of the second keel.

As a further improvement of the utility model, the end parts of the first keel and the second keel are mutually spliced and fixedly connected through the fast-assembly corner connector component; the first inserting groove is located on the inner side edge of the first keel, and the second inserting groove is located on the inner side edge of the second keel.

As a further improvement of the present invention, the first inserting portion and the first keel, and the second inserting portion and the second keel are both fixedly connected by a connecting member.

As a further improvement of the present invention, the connecting member is a screw.

As a further improvement of the present invention, the first inserting part and the second inserting part have a thickness and a width; the length of the first inserting part is c; the length of the second inserting part is d; b is 8-16 times of a; and c and d are both 15-25 times of a.

As a further improvement of the utility model, the first keel and the second keel are both hollow section bar structures; the thickness a of the first inserting part and the second inserting part is 1-2 times of the maximum wall thickness of the first keel and the second keel.

As a further improvement of the utility model, the inner and outer edges of the first keel are provided with first inserting grooves; second inserting grooves are formed in the inner edge and the outer edge of the second keel; the first inserting groove at the inner side edge of the first keel is connected with the second inserting groove at the inner side edge of the second keel through an inserting piece; the first inserting groove at the outer side edge of the first keel is connected with the second inserting groove at the outer side edge of the second keel through another inserting piece.

Advantageous effects

Compared with the prior art, the utility model discloses a door leaf keel structure's advantage does:

1. the connection between the first keel and the second keel is realized through the insertion and connection of the insertion groove and the insertion piece in a matched mode, the structure is simple, and the connection is stable. This connection structure can be applicable to the connection of both inboard edges of first fossil fragments and second fossil fragments, also can be applicable to the connection of both outside edges of first fossil fragments and second fossil fragments, can ensure the stability of first fossil fragments and second fossil fragments inside and outside edge connection, avoids two fossil fragments concatenation departments to appear protruding because of not lining up, has improved the quality of door leaf. In addition, the connecting structure is beneficial to improving the overall strength and rigidity of the door leaf framework, the door leaf is not easy to deform after being used for a period of time, and the service life is longer.

2. When both tip of first fossil fragments and second fossil fragments pass through fast-assembling angle sign indicating number subassembly fixed connection, the inserting groove sets up the inboard edge at first fossil fragments and second fossil fragments, can improve the connection stability of the inboard edge of first fossil fragments and second fossil fragments to improve door leaf skeleton's bulk strength and rigidity. In addition, a quick-assembly corner connector assembly is not needed, and the inner edge and the outer edge of the splicing part of the first keel and the second keel are changed into structures which are formed by splicing and matching the plug connectors and the plug-in grooves.

3. All through connecting piece fixed connection between first grafting portion and the first fossil fragments, between second grafting portion and the second fossil fragments, improve joint strength.

4. The width of the plug-in part is 8-16 times of the thickness of the plug-in part, the length of the plug-in part is 15-25 times of the thickness of the plug-in part, and the mechanical property of the plug-in part within the size proportion range is better.

5. Because the joint of the first keel and the second keel is stressed greatly, the thickness a of the insertion part is set to be 1-2 times of the maximum wall thickness of the first keel and the second keel, and the bending resistance and the torsion resistance of the joint of the keels are better. Therefore, the door leaf has better bearing capacity and deformation resistance, can meet the mechanical requirement of the ultrahigh door leaf, and keeps the flatness of the door leaf and the strength of four corners.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front perspective view of a conventional door leaf keel;

fig. 2 is a sectional view of a conventional door leaf keel;

fig. 3 is a front perspective view of the door leaf keel structure in embodiment 1;

fig. 4 is a sectional view of the door leaf keel structure in embodiment 1;

FIG. 5 is a perspective view of a plug connector according to embodiment 1;

fig. 6 is a partial perspective view of the door leaf keel structure in embodiment 2.

Detailed Description

Embodiments of the present invention will now be described with reference to the accompanying drawings.

Example 1

The utility model discloses a specific embodiment is as shown in fig. 3 to 5, a door leaf keel structure, including adjacent first fossil fragments 1 and second fossil fragments 2, still include plug connector 3. The side wall of the first keel 1 is provided with a first inserting groove 11. The side wall of the second keel 2 is provided with a second inserting groove 21. The plug-in unit 3 includes a first plug portion 31 and a second plug portion 32 connected to each other. The first plug-in part 31 is plugged into the first plug-in groove 11, and the second plug-in part 32 is plugged into the second plug-in groove 21. In this embodiment, the plug-in unit 3 is an insert board.

First fossil fragments 1 and both length direction of second fossil fragments 2 are the contained angle each other, in this embodiment, first fossil fragments 1 and both mutually perpendicular of second fossil fragments 2. The first inserting groove 11 is parallel to the length directions of the first keel 1, and the second inserting groove 21 is parallel to the length directions of the second keel 2. In addition, the first keel 1 and the second keel 2 may be located on the same straight line, and the first insertion portion 31 and the second insertion portion 32 of the insertion member 3 may be located on the same straight line. When the end of one of the first keel 1 and the second keel 2 needs to be vertically connected with the middle of the other keel, the end can be realized by the structure that the plug connector 3 is matched with the plug-in slot.

In this embodiment, the tip of first fossil fragments 1 and second fossil fragments 2 both splices each other. Both ends of the first keel 1 and the second keel 2 are mutually spliced and fixedly connected through the fast-assembling corner connector assembly 5. The first insertion groove 11 is located at the inner side edge of the first keel 1, and the second insertion groove 21 is located at the inner side edge of the second keel 2. The quick-assembly corner brace assembly 5 comprises a first corner brace 51, a second corner brace 52 and bolts 53. First angle sign indicating number 51 and first fossil fragments 1 tip lean on outer one side grafting cooperation, and second angle sign indicating number 52 leans on outer one side grafting cooperation with second fossil fragments 2 tip, and bolt 53 links together first angle sign indicating number 51 and second angle sign indicating number 52 to realize that both tip of first fossil fragments 1 and second fossil fragments 2 lean on the fixed connection of outside part. The inner edge parts of the end parts of the first keel 1 and the second keel 2 are connected through the plug-in connector 3 and the plug-in groove.

The first inserting part 31 and the first keel 1 and the second inserting part 32 and the second keel 2 are fixedly connected through the connecting piece 4. In this embodiment, the connecting member 4 is a screw. The first insertion part 31 and the second insertion part 32 are provided with through holes 8 for screws to pass through.

The first and

second mating parts

31 and 32 both have a thickness a and a width b. The length of the first mating part 31 is c. The second mating part 32 has a length d. b is 8-16 times of a. c. d is 15-25 times of a. Preferably, the width b of the inserting part is 11-15 times of the thickness a; the length of the plug part is 18-22 times of the width.

The first keel 1 and the second keel 2 are both hollow section structures. The thickness a of both the first and

second sockets

31, 32 is 1-2 times the maximum wall thickness of both the first and

second runners

1, 2.

The door leaf keel structure comprises two first keels 1 and two second keels 2, and the four keels are spliced end to end. The door leaf keel structure after splicing is provided with the veneer 6 on the front side and the back side, and the veneer 6 can be a wood board. Then the department lock of the outward flange of door leaf fossil fragments structure has banding 7, specifically can adopt metal material or timber matter, for example aluminium banding. First fossil fragments 1, second fossil fragments 2 and plug connector 3 are metal material or wooden material, preferred metal material.

Example 2

As shown in fig. 6, the difference from embodiment 1 is that the quick-fit corner brace assembly 5 is not used. The inner edge and the outer edge of the first keel 1 are both provided with a first inserting groove 11; the inner and outer edges of the second keel 2 are provided with second inserting grooves 21. The first inserting groove 11 at the inner side edge of the first keel 1 is connected with the second inserting groove 21 at the inner side edge of the second keel 2 through an inserting piece 3. The first inserting groove 11 at the outer edge of the first keel 1 is connected with the second inserting groove 21 at the outer edge of the second keel 2 through the other inserting piece 3.

The first inserting part 31 and the first keel 1 and the second inserting part 32 and the second keel 2 are fixedly connected through the connecting piece 4. The connecting piece 4 is a screw.

The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims

1. A door leaf keel structure comprises a first keel (1) and a second keel (2) which are adjacent, and is characterized by also comprising a plug connector (3); a first inserting groove (11) is formed in the side wall of the first keel (1); a second inserting groove (21) is formed in the side wall of the second keel (2); the plug connector (3) comprises a first plug part (31) and a second plug part (32) which are connected; the first plug-in part (31) is plugged with the first plug-in groove (11), and the second plug-in part (32) is plugged with the second plug-in groove (21).

2. The door leaf keel structure according to claim 1, wherein the length directions of the first keel (1) and the second keel (2) are mutually at an angle; the first inserting groove (11) is parallel to the length directions of the first keel (1) and the second inserting groove (21) is parallel to the length directions of the second keel (2).

3. The door leaf keel structure according to claim 2, wherein the ends of the first keel (1) and the second keel (2) are mutually spliced and fixedly connected through a fast-assembling angle code component (5); the first inserting groove (11) is located on the inner side edge of the first keel (1), and the second inserting groove (21) is located on the inner side edge of the second keel (2).

4. The door leaf keel structure according to claim 1, wherein the first inserting part (31) and the first keel (1) and the second inserting part (32) and the second keel (2) are fixedly connected through a connecting piece (4).

5. Door leaf keel structure according to claim 4, characterised in that said connecting elements (4) are screws.

6. Door leaf keel structure according to claim 1, wherein both the first and second plug-in parts (31, 32) have a thickness a and a width b; the length of the first plug part (31) is c; the length of the second plug part (32) is d; b is 8-16 times of a; and c and d are both 15-25 times of a.

7. Door leaf keel structure according to claim 6, characterised in that said first keel (1) and second keel (2) are both hollow section bar structures; the thickness a of the first inserting part (31) and the second inserting part (32) is 1-2 times of the maximum wall thickness of the first keel (1) and the second keel (2).

8. The door leaf keel structure according to claim 1 or 2, wherein the inner and outer side edges of the first keel (1) are provided with first inserting grooves (11); the inner edge and the outer edge of the second keel (2) are respectively provided with a second inserting groove (21); a first inserting groove (11) at the inner side edge of the first keel (1) is connected with a second inserting groove (21) at the inner side edge of the second keel (2) through a connector (3); the first inserting groove (11) at the outer side edge of the first keel (1) is connected with the second inserting groove (21) at the outer side edge of the second keel (2) through another inserting piece (3).