CN214483929U - A tenon fourth of twelve earthly branches structure for horizontal doorjambs of chair leg are connected - Google Patents

Abstract

The utility model discloses a mortise and tenon joint structure for connecting transverse doorjambs of chair legs, which comprises a first transverse doorjamb, a second transverse doorjamb and chair legs and also comprises dowels; one end of the first transverse bracing structure is provided with a U-shaped tenon, and a first mortise is formed at the middle upper part of the U-shaped tenon; one end of the transverse bracing structure two is provided with an inverted U-shaped tenon, and a second mortise is formed at the middle lower part of the inverted U-shaped tenon; the chair legs are provided with a third mortise for being mutually spliced with the U-shaped tenon and the tenon and a fourth mortise for being mutually spliced with the inverted U-shaped tenon, the third mortise and the fourth mortise are mutually vertically communicated and distributed, and the third mortise is formed by mutually communicating the U-shaped tenon and the tenon slot; the utility model discloses a chair leg, horizontal doorjamb first, horizontal doorjamb two interval tenon, tongue-and-groove mutually support, realize that structure's dismantled and assembled, convenient flat packing and transportation have sufficient joint strength and the ascending structural stability of each side.

Description

A tenon fourth of twelve earthly branches structure for horizontal doorjambs of chair leg are connected

Technical Field

The utility model relates to a house field, concretely relates to a mortise and tenon joint structure that is used for horizontal doorjamb of chair leg to connect.

Background

The mortise and tenon structure is inherited to the present, and is always loved by the Chinese people and even the world. At present, the mass industrial production is a production mode which is better advocated by all industries, so the modern design of the mortise and tenon structure is necessary to be done by modern designers. Meanwhile, under the new requirement of green design, the design of the modern mortise and tenon structure tends to reduce hardware parts and simplify the structure, and wood is originally used as a natural material and pure wood is used as far as possible.

Along with the improvement of the development people quality of life of society, people pursue the perfect combination of home decoration simplicity, practicality and travelling comfort more, especially with the seat that people daily life is closely related, the seat generally includes seat, chair leg and a plurality of horizontal doorjambs, the connection between horizontal doorjamb and the chair leg adopts the screw fixed mode mostly, not only is difficult dismouting, it is bulky with high costs to transport moreover, consequently need propose a tenon fourth of the twelve earthly branches structure that is used for the connection of the horizontal doorjamb of chair leg, through the chair leg, the tenon between horizontal doorjamb, the tongue-and-groove is mutually supported, realize the stable connection of chair leg and horizontal doorjamb, realize dismantled and assembled of structure, make things convenient for flat packing and transportation, reduce the cost of transportation.

Disclosure of Invention

The utility model aims to solve the technical problem that not enough a mortise and tenon joint structure for horizontal doorjamb of chair leg is connected is provided to above-mentioned prior art, and this mortise and tenon joint structure for horizontal doorjamb of chair leg is connected mutually supports through tenon, mortise between chair leg, horizontal doorjamb one, horizontal doorjamb, and the dismantled and assembled of realization structure makes things convenient for flat packing and transportation, has sufficient joint strength and the ascending structural stability of each side.

In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:

a mortise and tenon joint structure for connecting transverse bracing structures of chair legs comprises a transverse bracing structure, two chair legs and dowels;

one end of the transverse bracing structure I is provided with a U-shaped tenon, the top of one end of the U-shaped tenon is higher than the top of the other end of the U-shaped tenon, the side of a short end in the U-shaped tenon is fixedly connected with one end of the transverse bracing structure I, the tops of two ends of the U-shaped tenon are lower than the top of the transverse bracing structure I, the bottom of the U-shaped tenon is flush with the bottom of the transverse bracing structure I, and a first mortise is formed at the middle upper part of the U-shaped tenon;

one end of the transverse bracing sections are provided with inverted U-shaped tenons, two bottom ends of the inverted U-shaped tenons are flush with the bottom of the transverse bracing sections, the top of the inverted U-shaped tenons is lower than the top of the transverse bracing sections, and second mortises are formed in the middle lower parts of the inverted U-shaped tenons;

the chair leg is provided with a third mortise for being mutually inserted with the U-shaped tenon and the tenon and a fourth mortise for being mutually inserted with the inverted U-shaped tenon, the third mortise and the fourth mortise are mutually vertically communicated and distributed, the third mortise is formed by mutually communicating the U-shaped tenon and the tenon, the tenon is positioned below the U-shaped tenon, and the bottom of the U-shaped tenon is flush with the bottom of the fourth mortise;

the U-shaped tenons of the first transverse doorjambs are inserted into the third mortises of the chair legs, the inverted U-shaped tenons of the second transverse doorjambs are inserted into the fourth mortises of the chair legs, and the dowels are inserted into the dowel grooves at the lower portions of the third mortises and extrude the U-shaped tenons of the first transverse doorjambs upwards into the U-shaped tenon grooves.

As a further improved technical solution of the present invention, the first transverse doorjamb, the second transverse doorjamb, the chair legs and the dowels are rectangular.

As a further improved technical scheme of the present invention, the cross section of the first transverse bracing structure is a square, and the side length is 30 mm; the cross section of the transverse bracing structure II is square, and the side length is 30 mm; the cross section of the chair leg is square, and the side length is 40 mm.

As a further improved technical scheme of the utility model, the length of dowel is 40mm, and the width is 10mm, highly is 10 mm.

As a further improved technical solution of the present invention, the U-shaped tenon includes a first left tenon, a first middle tenon and a first right tenon which are connected in sequence, the first mortise is located between the first left tenon, the first middle tenon and the first right tenon, and the first left tenon is fixedly connected to one end of the first horizontal doorjamb; the length of the first left tenon is 20mm, the width of the first left tenon is 10mm, and the height of the first left tenon is 20 mm; the length of the first middle tenon is 10mm, the width of the first middle tenon is 10mm, and the height of the first middle tenon is 10 mm; the length of the first right tenon is 10mm, the width of the first right tenon is 10mm, and the height of the first right tenon is 25 mm; the length of first tongue-and-groove is 10mm, and the width is 10mm, and the height is 15 mm.

As a further improved technical solution of the present invention, the inverted U-shaped tenon includes a second left tenon, a second middle tenon and a second right tenon that are connected in sequence, the second mortise is located between the second left tenon, the second middle tenon and the second right tenon, and the second left tenon is fixedly connected to one end of the horizontal doorjamb two; the length of the second left tenon is 20mm, the width of the second left tenon is 10mm, and the height of the second left tenon is 20 mm; the length of the second middle tenon is 10mm, the width of the second middle tenon is 10mm, and the height of the second middle tenon is 10 mm; the length of the second right tenon is 10mm, the width of the second right tenon is 10mm, and the height of the second right tenon is 20 mm; the length of second tongue-and-groove is 10mm, and the width is 10mm, and is highly 10 mm.

As a further improved technical solution of the present invention, the second mortise is used for being inserted into the first middle tenon.

As the utility model discloses further modified technical scheme, the size of U type tenon groove on the chair leg is the same with the size of U type tenon, the size of tenon groove is the same with the size of dowel, the size of fourth tongue-and-groove is the same with the size of the type of falling U tenon.

The utility model has the advantages that: the utility model discloses a chair leg, horizontal doorjamb first, horizontal doorjamb two interval tenon, tongue-and-groove mutually support, have realized the dismantled and assembled of structure, and dismouting simple and convenient has made things convenient for flat packing and transportation, has realized assembly line processing, has improved industrial production efficiency, adopts the auto-lock of tenon fourth of twelve earthly branches to guarantee that the tenon fourth of twelve earthly branches has sufficient joint strength and the ascending structural stability in each side.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of another direction structure of the present invention.

Fig. 3 is a perspective view of the present invention.

Fig. 4 is a perspective view of another direction structure of the present invention.

Fig. 5 is a structural exploded view of the present invention.

Fig. 6 is a structural exploded view in another direction of the present invention.

Fig. 7 is a schematic structural view of the chair leg hidden according to the present invention.

Fig. 8 is a perspective view of the chair leg of the present invention.

Fig. 9 is a schematic dimension view of a U-shaped tenon of a cross bracing structure i of the present invention.

Fig. 10 is a schematic dimension view of the inverted U-shaped tenons of the cross bracing structure two according to the present invention.

Detailed Description

The following further description of embodiments of the invention is made with reference to the accompanying drawings:

as shown in fig. 1 to 6, a mortise and tenon joint structure for connecting transverse bracing structures of chair legs includes a transverse bracing structure a, a transverse bracing structure B, chair legs D and dowels C.

As shown in fig. 7 and 9, one end of the transverse bracing structure a is provided with a U-shaped tenon a1, the top of one end of the U-shaped tenon a1 is higher than the top of the other end of the U-shaped tenon a1, the short side of the U-shaped tenon a1 is fixedly connected with one end of the transverse bracing structure a, the top of both ends of the U-shaped tenon a1 is lower than the top of the transverse bracing structure a, the bottom of the U-shaped tenon a1 is flush with the bottom of the transverse bracing structure a, and the middle upper portion of the U-shaped tenon a1 is formed with a first mortise a 14.

As shown in fig. 7 and 10, one end of the transverse bracing two B is provided with an inverted U-shaped tenon B1, two bottom ends of the inverted U-shaped tenon B1 are flush with the bottom portion of the transverse bracing two B, the top portion of the inverted U-shaped tenon B1 is lower than the top portion of the transverse bracing two B, and a second mortise B14 is formed at a middle lower portion of the inverted U-shaped tenon B1.

As shown in fig. 8, a third mortise D1 for being mutually inserted with a U-shaped tenon a1 and a dowel C and a fourth mortise D2 for being mutually inserted with an inverted U-shaped tenon B1 are formed in the chair leg D, the third mortise D1 and the fourth mortise D2 are mutually vertically communicated and distributed, the third mortise D1 is formed by mutually communicating a U-shaped tenon groove and a dowel groove, the dowel groove is located below the U-shaped tenon groove, and the bottom of the U-shaped tenon groove is flush with the bottom of the fourth mortise D2.

The transverse bracing sections a, a U-shaped tenon a1 are inserted into the third mortise D1 of the legs D, the inverted U-shaped tenon B1 of the transverse bracing sections B are inserted into the fourth mortise D2 of the legs D, and the dowel C is inserted into the dowel groove at the lower portion of the third mortise D1 and presses the U-shaped tenon a1 of the transverse bracing section a upward into the U-shaped tenon groove.

In this embodiment, the cross bracing sections a, the cross bracing sections B, the chair legs D and the dowels C are each rectangular parallelepiped.

In this embodiment, the cross bracing structure a has a square cross section with a side length of 30 mm; the cross section of the transverse bracing structure II B is square, and the side length is 30 mm; the cross section of the chair leg D is square, and the side length is 40 mm.

In this embodiment, the length of the dowel C is 40mm, the width thereof is 10mm, and the height thereof is 10 mm.

In this embodiment, as shown in fig. 9, the U-shaped tenon a1 includes a first left tenon a11, a first middle tenon a12 and a first right tenon a13 connected in sequence, the first mortise a14 is located between the first left tenon a11, the first middle tenon a12 and the first right tenon a13, and the first left tenon a11 is fixedly connected to one end of a lateral bracing portion a; the length of the first left tenon A11 is 20mm, the width is 10mm, and the height is 20 mm; the length of the first middle tenon A12 is 10mm, the width is 10mm, and the height is 10 mm; the length of the first right tenon A13 is 10mm, the width is 10mm, and the height is 25 mm; the length of the first mortise A14 is 10mm, the width is 10mm, and the height is 15 mm.

In this embodiment, as shown in fig. 10, the inverted U-shaped tenon B1 includes a second left tenon B11, a second middle tenon B12 and a second right tenon B13, which are connected in sequence, the second mortise B14 is located between the second left tenon B11, the second middle tenon B12 and the second right tenon B13, and the second left tenon B11 is fixedly connected to one end of the lateral bracing section two B; the length of the second left tenon B11 is 20mm, the width is 10mm, and the height is 20 mm; the length of the second middle tenon B12 is 10mm, the width is 10mm, and the height is 10 mm; the length of the second right tenon B13 is 10mm, the width is 10mm, and the height is 20 mm; the length of second tongue-and-groove B14 is 10mm, and the width is 10mm, and the height is 10 mm.

In this embodiment, the second mortise B14 is used for being plugged with the first middle tenon a12, and the first mortise a14 is used for being plugged with the second middle tenon B12.

In this embodiment, the size of the U-shaped tenon groove on the leg D is the same as the size of the U-shaped tenon a1, the size of the tenon groove is the same as the size of the tenon C, and the size of the fourth tenon groove D2 is the same as the size of the inverted U-shaped tenon B1.

The chair leg D of the embodiment has four faces, which are a first face D1, a second face D2, a third face D3 and a fourth face D4, wherein the first face D1 is provided with a mortise of 10mm (length) × 10mm (width) × 35mm (height) to be matched with the first right tenon a13, the second face D2 is provided with a mortise of 10mm (length) × 40mm (width) × 20mm (height) to be penetrated into the fourth face D4, the fourth mortise D2 is matched with the inverted U-shaped tenon B1, and the third face D3 is provided with a mortise of 10mm (length) × 40mm (width) × 30mm (height) to be penetrated into the first face D1 to be matched with the U-shaped tenon a1 and the dowel C.

The utility model discloses mainly through optimizing tenon fourth of twelve earthly branches structure, realize material saving, improve industrial production efficiency, guarantee simultaneously that the tenon fourth of twelve earthly branches has sufficient joint strength and the ascending structural stability of all directions.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims (8)

1. A mortise and tenon joint structure for horizontal bracing structure connection of chair legs includes horizontal bracing structure (A), horizontal bracing structure two (B) and chair leg (D), its characterized in that:

also comprises a dowel (C);

one end of the transverse bracing structure I (A) is provided with a U-shaped tenon (A1), the top of one end of the U-shaped tenon (A1) is higher than the top of the other end of the U-shaped tenon (A1), a short end side of the U-shaped tenon (A1) is fixedly connected with one end of the transverse bracing structure I (A), the tops of two ends of the U-shaped tenon (A1) are lower than the top of the transverse bracing structure I (A), the bottom of the U-shaped tenon (A1) is flush with the bottom of the transverse bracing structure I (A), and a first mortise (A14) is formed at the middle upper part of the U-shaped tenon (A1);

one end of the transverse bracing two (B) is provided with an inverted U-shaped tenon (B1), two bottom ends of the inverted U-shaped tenon (B1) are flush with the bottom of the transverse bracing two (B), the top of the inverted U-shaped tenon (B1) is lower than the top of the transverse bracing two (B), and a second mortise (B14) is formed at the middle lower part of the inverted U-shaped tenon (B1);

the chair leg (D) is provided with a third mortise (D1) and a fourth mortise (D2), wherein the third mortise (D1) is used for being mutually spliced with a U-shaped tenon (A1) and a dowel (C), the fourth mortise (D2) is used for being mutually spliced with an inverted U-shaped tenon (B1), the third mortise (D1) and the fourth mortise (D2) are mutually vertically communicated and distributed, the third mortise (D1) is formed by mutually communicating the U-shaped tenon and the dowel groove, the dowel groove is positioned below the U-shaped tenon groove, and the bottom of the U-shaped tenon groove is flush with the bottom of the fourth mortise (D2);

the U-shaped tenons (A1) of the transverse bracing sections (A) are inserted into the third grooves (D1) of the chair legs (D), the inverted U-shaped tenons (B1) of the transverse bracing sections (B) are inserted into the fourth grooves (D2) of the chair legs (D), and the dowels (C) are inserted into the dowel grooves at the lower parts of the third grooves (D1) and press the U-shaped tenons (A1) of the transverse bracing sections (A) upward into the U-shaped tenon grooves.

2. The structure of mortise and tenon joints for transverse bracing structures of chair legs according to claim 1, wherein: the first horizontal bracing structures (A), the second horizontal bracing structures (B), the chair legs (D) and the dowels (C) are all rectangular.

3. The structure of mortise and tenon joints for transverse bracing structures of chair legs according to claim 1, wherein: the cross section of the first transverse bracing structure (A) is square, and the side length is 30 mm; the cross section of the horizontal bracing structure II (B) is square, and the side length is 30 mm; the cross section of the chair leg (D) is square, and the side length is 40 mm.

4. The structure of mortise and tenon joints for transverse bracing structures of chair legs according to claim 3, wherein: the length of dowel (C) is 40mm, and the width is 10mm, and the height is 10 mm.

5. The structure of mortise and tenon joints for transverse bracing structures of chair legs according to claim 4, wherein: the U-shaped tenon (A1) comprises a first left tenon (A11), a first middle tenon (A12) and a first right tenon (A13) which are connected in sequence, the first mortise (A14) is positioned among the first left tenon (A11), the first middle tenon (A12) and the first right tenon (A13), and the first left tenon (A11) is fixedly connected with one end of a first transverse bracing structure (A); the first left tenon (A11) is 20mm in length, 10mm in width and 20mm in height; the length of the first middle tenon (A12) is 10mm, the width is 10mm, and the height is 10 mm; the first right tenon (A13) is 10mm in length, 10mm in width and 25mm in height; the first mortise (A14) has a length of 10mm, a width of 10mm and a height of 15 mm.

6. The structure of mortise and tenon joints for transverse bracing structures of chair legs according to claim 5, wherein: the inverted U-shaped tenon (B1) comprises a second left tenon (B11), a second middle tenon (B12) and a second right tenon (B13) which are connected in sequence, the second mortise (B14) is positioned among the second left tenon (B11), the second middle tenon (B12) and the second right tenon (B13), and the second left tenon (B11) is fixedly connected with one end of the transverse bracing structure second (B); the second left tenon (B11) is 20mm in length, 10mm in width and 20mm in height; the second middle tenon (B12) is 10mm in length, 10mm in width and 10mm in height; the second right tenon (B13) is 10mm in length, 10mm in width and 20mm in height; the length of the second mortise (B14) is 10mm, the width is 10mm, and the height is 10 mm.

7. The structure of mortise and tenon joints for transverse bracing structures of chair legs according to claim 6, wherein: the second mortise (B14) is used for being plugged with the first middle tenon (A12).

8. The structure of mortise and tenon joints for transverse bracing structures of chair legs according to claim 7, wherein: the size of the U-shaped tenon groove on the chair leg (D) is the same as that of the U-shaped tenon (A1), the size of the tenon groove is the same as that of the tenon (C), and the size of the fourth tenon groove (D2) is the same as that of the inverted U-shaped tenon (B1).

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