CN213899513U

CN213899513U - Tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing

Info

Publication number: CN213899513U
Application number: CN202022235054.XU
Authority: CN
Inventors: 胡文刚; 陈炳睿; 关惠元
Original assignee: Nanjing Forestry University
Current assignee: NANJING DIOU FURNITURE CO.,LTD.
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-08-06
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to a tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing, including first wooden component, the wooden component of second, oval billet, oval tenon hole, gasket, bolt hole, embedded nut, nut hole, the bolt passes the gasket, and oval tenon hole and link up the bolt hole on the wooden component of second are inserted to one end, then insert the downthehole embedded nut of nut and locking in the first wooden component. The oval wood block covers the head of the bolt and is tightly matched with the oval mortise through an adhesive. The utility model has the advantages that: the mechanical property of the tenon joint furniture product is greatly improved; the appearance of the tenon joint is maintained; the hardware connecting piece is strong in universality and can be disassembled for maintenance.

Description

Tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing

Technical Field

The utility model relates to a tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing belongs to woodwork, light-duty timber structure and makes the field.

Background

The tenon joint is one of the most commonly used joint modes in traditional Chinese furniture and wooden buildings, two materials are fixed together by the friction force generated by the matching of the tenon and the tenon hole, and the tenon joint is reputable to the world due to the exquisite structure and the smooth and beautiful appearance. In modern solid wood furniture production, joggle joints are also widely used in monolithic furniture or in conjunction with hardware connectors and in knock-down furniture.

However, the furniture using the tenon joint has high requirements on the material and the use environment. As soft wood becomes the main furniture material, the tenon jointed furniture is prone to have insufficient joint strength at the joints. Meanwhile, due to the fact that glue is applied to the joint part, the tenon joint furniture is often inconvenient to disassemble, and researches show that the mechanical strength of the tenon joint furniture can be greatly influenced by repeated disassembling and assembling. Once the tenon joint fails and the tenon head or the tenon hole is damaged, the joint cannot be repaired, and the whole piece of furniture is scrapped. The joint strength of node has been promoted to a certain extent to the connecting piece reinforcement mode that adopts on the existing market, but its installation often can destroy the furniture surface, and exposes the hardware and hardware connecting piece outside and can influence the exquisite outward appearance of furniture, can not embody the structure of wood tenon joint furniture and beautifully.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing, its purpose aims at keeping under the appearance of tenon joint, realizes the dismouting function of furniture component and joint strength's promotion. The locally enhanced structure solves the problems that the strength is insufficient in tenon joint, parts cannot be disassembled and the joint strength is influenced after the parts are disassembled, also keeps the appearance of the tenon joint, and solves the problems that the appearance of furniture is influenced and the texture of wood is damaged by using hardware connecting pieces for joint. The structure can be used in solid wood furniture nodes of different forms, and the technical scheme is as follows:

the utility model provides a tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing, includes first wooden component, the wooden component of second, oval billet, oval mortise hole, gasket, bolt hole, embedded nut, nut hole. The bolt penetrates through the gasket, one end of the bolt is inserted into the oval tenon hole in the second wood member and penetrates through the bolt hole, and then the embedded nut in the nut hole in the first wood member is inserted and locked. The head of the bolt is covered by the oval wood block, and the oval wood block is tightly matched with the oval mortise through the adhesive, so that the bolt is hidden.

The utility model discloses in embedding oval tenon joint with bolt and embedded nut, cover through the closely cooperating of oval billet and oval tenon hole and make node inner structure can hide to when improving tenon joint node intensity, kept tenon joint node's outward appearance.

The utility model discloses following beneficial effect has:

(1) the utility model skillfully integrates the hardware connecting piece and the tenon joint, namely, the rigidity of the joint is improved through the close fit of the bolt and the embedded nut, thereby realizing the improvement of the detachability and the mechanical property of the whole structure;

(2) the utility model provides a tenon joint structure for hardware connection, which keeps the appearance of a tenon joint node, has the same structure surface with the elliptical tenon joint, has smooth appearance, shows the solid wood texture of furniture and has higher aesthetic degree;

(3) the utility model provides a tenon joint structure that hardware is connected, the hardware connecting piece of embedding be national standard, can be according to node size free choice model, and the part commonality is strong, quick detachable change.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and 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 an exploded view of the components of the present invention.

Fig. 2 is an assembly view of the structure of the present invention.

Fig. 3 is a structural assembly view of a conventional oval tenon joint.

The reference numerals are explained below: 1 first wooden component, 2 second wooden component, 3 oval wood blocks, 4 oval tenon holes, 5 gaskets, 6 bolts, 7 bolt holes, 8 embedded nuts, 9 nut holes and 10 oval through tenons.

Detailed Description

The technical solution of the present invention will be further clarified by the following embodiments in conjunction with the accompanying drawings.

Referring to the attached drawing 1, the tenon-and-mortise structure connected by hardware comprises a first wood member 1, a second wood member 2, an oval wood block 3, an oval tenon hole 4, a gasket 5, a bolt 6, a bolt hole 7, a pre-embedded nut 8 and a nut hole 9. The bolt 6 passes through the gasket 5, one end of the bolt is inserted into the oval mortise 4 on the second wood member 2 and penetrates through the bolt hole 7, and then the bolt is inserted into the embedded nut 8 in the nut hole 9 in the first wood member 1 and is locked. The oval wood block 3 covers the head of the bolt 6 and is tightly matched with the oval mortise 4 through adhesive.

The first wood component 1 and the second wood component 2 are both made of solid wood, and the grains are straight.

The diameter and the depth of the nut hole 9 are consistent with those of the embedded nut 8, the distance between the two holes is 16-18 mm, and the distance from the two holes to the edge of the oval tenon hole 4 is not smaller than 8 mm.

The width of the oval tenon hole 4 is 2/5-3/5 of the second wood member 2, the length of the tenon hole is not more than the length of the end part of the first wood member 1, and the depth of the tenon hole is not more than 1/2 of the second wood member 2.

The bottom end of the oval tenon hole 4 is provided with two bolt holes 7, the diameter of each bolt hole is consistent with that of the bolt 6, and the depth of each bolt hole penetrates through the second wood member 2. The distance between the two holes is consistent with the distance between the nut holes 9.

The length and the width of the wood block of the oval wood block 3 are both consistent with those of the oval mortise 4, and the depth of the oval mortise 4 is obtained by subtracting the thickness of the head of the bolt 6 and the thickness of the gasket 5 from the depth of the oval mortise 4.

The specific implementation method comprises the following steps:

1) two nut holes 9 are formed in one end of the first wood component 1, the diameter and the depth of the bottom end of the first wood component are consistent with those of the embedded nuts 8, and the distance between the two holes is about 16-18 mm.

2) The side surface of the second wood member 2 is provided with an oval mortise 4, the width of the mortise is 2/5-3/5 of the wood member 2, the length of the mortise does not exceed the length of the end part of the first wood member 1, and the depth of the mortise does not exceed 1/2 of the second wood member 2.

3) The bottom end of the oval mortise 4 is provided with two bolt holes 7, the diameter of each bolt hole is consistent with that of the bolt 6, and the depth of each bolt hole penetrates through the second wood member 2. The distance between the two holes is consistent with the distance between the nut holes 9.

4) The gasket 5 is a national standard gasket, which reduces the contact stress between the head of the bolt 6 and the second wood member 2, and has a diameter about 0.5-1 mm larger than that of the head of the bolt 6 and a thickness about 1-2 mm.

5) The bolt 6 is made of a national standard bolt and is made of metal, the length of the bolt is about 40-50 mm, and the embedded nut 8 is made of a national standard nut and is made of metal, and the length of the embedded nut is about 20-30 mm. The bolt 6 is screwed into the embedded nut 8 through threads and locked.

6) The oval wood block 3 is glued and then embedded into the oval mortise 4 on the side surface of the second wood member 2. The wood block is made of wood materials when the oval tenon hole 4 is formed, so that the straight of the whole wood texture after embedding is guaranteed. The length and the width of the wood block are both consistent with those of the oval mortise 4, and the depth of the wood block is obtained by subtracting the thickness of the head of the bolt 6 and the thickness of the gasket 5 from the depth of the oval mortise 4.

Examples

As shown in fig. 1, the T-joint is in the form of a node, which is most common in furniture or wood products, and the material of the first wood element 1 and the second wood element 2 is beech. First, two nut holes 9 are opened in the side surface of the first wooden member 1, and the insert nut 8 is embedded in the two nut holes 9. An oval mortise 4 is formed in a side surface of the second wood member 2, and two bolt holes 7 penetrating the second wood member 2 are formed in a bottom end of the oval mortise 4. The heads of the two bolts 6 are padded by gaskets 5 to play a role of buffering, and the tail ends of the two bolts penetrate through the oval tenon holes 4 and the bolt holes 7 and then are connected with the two embedded nuts 8 and locked. After the adhesive is applied to the periphery of the oval wood block 3, the oval wood block is embedded into the oval mortise 4 and is tightly matched with the oval mortise, and then the T-shaped connection of the first wood member 1 and the second wood member 2 is completed.

As shown in fig. 2, the oval wood block 3 covers the heads of the two bolts 6 and is tightly matched with the oval mortise 4 to ensure the smooth and beautiful appearance of the node. The bolt 6 is screwed in or out of the embedded nut 8 to realize the matching and the disassembly of the first wood member 1 and the second wood member 2.

As shown in fig. 3, the first wood member 1 and the second wood member 2 are joined together by an oval through tenon 10 in a conventional tenon joint form. Oval tenon joint's appearance with the utility model discloses an appearance is unanimous, nevertheless the utility model provides a tenon fourth of the twelve earthly branches structure of five metals connecting piece reinforcing has not only improved the node intensity of tenon joint, simultaneously, has realized having kept the outward appearance of tenon joint node, has realized the dismantlement performance of node.

The utility model provides a thought and implementation method of tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing, it is many to specifically use the way, above only the utility model discloses an optimal implementation mode should point out, to this technical field's ordinary skilled person, is not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements, these improvements should also be regarded as the utility model discloses a protection scope.

Claims

1. The utility model provides a tenon fourth of twelve earthly branches structure of five metals connecting piece reinforcing, including first wooden component (1), second wooden component (2), oval billet (3), oval mortise hole (4), gasket (5), bolt (6), bolt hole (7), pre-buried nut (8), nut hole (9), its characterized in that bolt (6) pass gasket (5), oval mortise hole (4) and link up bolt hole (7) on second wooden component (2) are inserted to one end, then insert pre-buried nut (8) and locking in nut hole (9) in first wooden component (1), oval billet (3) cover the head in bolt (6), closely cooperate through adhesive and oval mortise hole (4).

2. The hardware connecting piece reinforced mortise and tenon joint structure of claim 1, wherein the first wood member (1) and the second wood member (2) are all made of solid wood, and the grains are straight.

3. The hardware connecting piece reinforced mortise and tenon structure according to claim 1, wherein the diameter and the depth of the nut hole (9) are consistent with those of the embedded nut (8), the distance between the two holes is 16-18 mm, and the distance between the two holes and the edge of the oval mortise hole (4) is not less than 8 mm.

4. The hardware connecting piece reinforced mortise and tenon structure according to claim 1, wherein the width of the oval mortise hole (4) is 2/5-3/5 of the second wood member (2), the length of the mortise hole is not more than the length of the end part of the first wood member (1), and the depth of the mortise hole is not more than 1/2 of the second wood member (2).

5. The hardware connecting piece reinforced mortise and tenon joint structure as claimed in claim 1, wherein two bolt holes (7) are formed in the bottom end of the oval mortise hole (4), the diameter of each bolt hole is consistent with that of a bolt (6), the depth of each bolt hole penetrates through the second wood member (2), and the distance between the two bolt holes is consistent with that between the nut holes (9).

6. The hardware connecting piece reinforced mortise and tenon structure according to claim 1, wherein the length and the width of the wood block of the oval wood block (3) are consistent with those of the oval mortise hole (4), and the depth of the oval mortise hole is obtained by subtracting the thickness of the head of the bolt (6) and the thickness of the gasket (5) from the depth of the oval mortise hole (4).