CN112155359A

CN112155359A - Chair of tenon fourth of twelve earthly branches structure

Info

Publication number: CN112155359A
Application number: CN202011255205.6A
Authority: CN
Inventors: 武克学
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-01-01

Abstract

The invention discloses a chair with a tenon-and-mortise structure, which comprises a seat surface, a backrest, a transverse frame, a longitudinal frame and chair legs, wherein the seat surface is provided with a seat cushion; the transverse frame is provided with a plurality of groups of mortise holes, each group of mortise holes comprises two through holes, the through holes are arranged in the transverse frame and penetrate through the transverse frame, the two through holes in each group of mortise holes are arranged in parallel, and the distance between the two through holes is slightly larger than the thickness of the longitudinal frame; mounting holes which vertically penetrate through the vertical frames are formed in the two ends of the vertical frames, which are close to the end parts, and the transverse frames are inserted in the mounting holes; the middle parts of the upper ends of the four chair legs are provided with transverse frame mortises and longitudinal frame mortises, the transverse frame mortises and the longitudinal frame mortises are arranged in a crossed and staggered mode, the transverse frame mortises are provided with two mortises, the shape of the mortises is the same as that of the through holes, the mortises are located on two sides of the longitudinal frame mortises respectively, and the parts, connected with each other, of the transverse frame and the longitudinal frame are embedded into the mortises of the chair legs on the sides to form a chair frame. The invention does not use auxiliary parts such as screws and the like, and the frame can be easily disassembled and assembled through the structural design of the frame, thereby realizing the quick connection and having firm structure.

Description

Chair of tenon fourth of twelve earthly branches structure

Technical Field

The invention belongs to the technical field of furniture, and particularly relates to a chair with a mortise and tenon structure.

Background

The chair is the daily life furniture that people often used when daily official working or having a rest, current chair mainly is by the chair leg, the seat face, the handrail, the back is constituteed, the chair of traditional tenon fourth of twelve earthly branches structure, the too complicated processing cycle of tenon fourth of twelve earthly branches structure leads to with high costs, consequently, a lot of enterprises adopt in the interior outer tooth countersunk head nut embedding wooden material in a large number, then utilize bolt locking to realize the connected mode preparation chair of different components, but this kind of structure is damaged very easily after disassembling several times, the nut is taken out easily or a great deal of problems such as timber fracture that leads to installing the countersunk head nut.

The technical personnel in the field hope to provide a chair which is different from the traditional tenon-and-mortise structure and has a simpler structure, a certain structural strength can be ensured, and meanwhile, the chair does not need to be connected and fixed by bolts.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a chair with a mortise and tenon structure

In order to achieve the purpose, the technical means adopted by the invention is as follows: a chair with a tenon-and-mortise structure comprises a seat surface, a backrest, a front transverse frame, a rear transverse frame, at least two longitudinal frames and four chair legs; the transverse frame is provided with a plurality of groups of mortise holes, each group of mortise holes comprises two through holes, the through holes are arranged in the transverse frame and penetrate through the transverse frame, the two through holes in each group of mortise holes are arranged in parallel, and the distance between the two through holes is slightly larger than the thickness of the longitudinal frame; mounting holes which vertically penetrate through the vertical frames are formed in the two ends of the vertical frames, which are close to the end parts, and the transverse frames are inserted in the mounting holes; the middle parts of the upper ends of the four chair legs are provided with transverse frame mortises and longitudinal frame mortises, the transverse frame mortises and the longitudinal frame mortises are arranged in a crossed and staggered manner, the transverse frame mortises are provided with two mortises, the shape of the mortises is the same as that of the through holes, the mortises are respectively positioned at two sides of the longitudinal frame mortises, and the parts, connected with each other, of the two transverse frames and the two longitudinal frames are embedded into the mortises of the chair legs at the sides to form a chair frame; the bottom of the backrest is provided with tenon joints which correspond to the tenon joint holes one by one, and the tenon joints penetrate through the mortise holes of the rear transverse frame and are inserted into the tenon joint holes of the rear row of chair legs, so that the transverse frame, the longitudinal frame and the chair legs are mutually locked; the seat surface is fixedly arranged on the two transverse frames.

Further, the back includes two erects to prop and a stull, erects to prop the top and the bottom all is equipped with the joggle joint, the stull through set up at the joggle hole at both ends respectively with two erects to prop the joggle, the joggle joint of two erects to prop the bottom runs through the mortise hole of back horizontal frame and pegs graft with the mortise hole of back row chair leg.

Furthermore, the middle of the bottom end of the backrest vertical support is provided with a longitudinal frame groove, and the tenon joints are respectively positioned on two sides of the longitudinal frame groove.

Further, the wale has an arc-shaped curvature along its length that follows the contour of the human body.

Furthermore, the chair still includes the handrail, and the handrail includes preceding support and hand support, and preceding support top and bottom all are equipped with the joggle joint, and preceding support bottom middle part is equipped with indulges the frame groove, and the joggle joint sets up two and is located respectively and indulges frame groove both sides, and the joggle joint runs through the mortise hole of preceding horizontal frame and pegs graft with the mortise hole of front seat leg, and hand support one end is equipped with the mortise hole and pegs graft with the mortise joint on preceding support top, and the other end is established the joggle joint, with set up the mortise hole joggle on back vertical support.

Furthermore, the backrest also comprises a plurality of vertical supports, the upper ends of the vertical supports are connected with the fixing holes arranged on the bottom surfaces of the cross supports in an inserting mode, and the lower ends of the vertical supports are connected with the fixing holes arranged on the top surfaces of the cross frames in an inserting mode.

Furthermore, the seat surface is a plate body or a plurality of rod bodies, and is fixedly installed through fixing grooves or holes formed in the front transverse frame and the rear transverse frame.

Furthermore, the chair also comprises a plurality of mortise buckles, the mortise buckles are U-shaped buckles, two arms of each U-shape are tenon joints, the mortise buckles are used for replacing the backrest vertical support and/or the armrest front support, and the mortise holes penetrating through the transverse frames are fixedly inserted into the mortise holes of the chair legs, so that the chair structure without the backrest and/or the armrests is formed.

The invention has the beneficial effects that:

1. auxiliary parts such as screws are not used, and through the structural design of the frame, the frame can be easily disassembled and assembled, the wood structure cannot be damaged, and the defects caused by the fact that the existing internal and external thread countersunk head nuts are embedded into the wood material are overcome.

2. The mutual insertion structure with multi-plate design is utilized, so that connection can be realized quickly, and the structure is firm.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the chair when the mortise joint buckle is adopted.

In the figure: 1. the chair comprises a seat face, 2, a backrest, 21, vertical supports, 22, transverse supports, 23, longitudinal frame grooves, 24, vertical supports, 3, transverse frames, 31, mortise holes, 32, through holes, 4, longitudinal frames, 41, mounting holes, 5, chair legs, 51, transverse frame mortises, 52, longitudinal frame mortises, 53, mortise joint holes, 54, tenon joints, 6, armrests, 61, front supports, 62, hand supports, 7 and mortise joint buckles.

Detailed Description

Example 1

As shown in fig. 1, a chair with a mortise and tenon structure comprises a seat surface 1, a backrest 2, a front transverse frame 3, a rear transverse frame 3, at least two longitudinal frames 4 and four chair legs 5; the transverse frame 3 is provided with a plurality of groups of mortise holes 31, each group of mortise holes 31 comprises two through holes 32, the through holes 32 are arranged in the transverse frame 3 and penetrate through the transverse frame 3, the two through holes 32 in each group of mortise holes 31 are arranged in parallel, and the distance between the two through holes 32 is slightly larger than the thickness of the longitudinal frame 4; mounting holes 41 which vertically penetrate through the vertical frames 4 are formed in the two ends of the vertical frames 4 close to the end parts, and the transverse frame 3 is inserted in the mounting holes 41; the middle parts of the upper ends of the four chair legs 5 are provided with a transverse frame mortise 51 and a longitudinal frame mortise 52, the transverse frame mortise 51 and the longitudinal frame mortise 52 are arranged in a crossed manner, the transverse frame mortise 51 is provided with two mortise holes 53, the shapes of the two mortise holes are the same as the through holes 32, the two mortise holes are respectively positioned at two sides of the longitudinal frame mortise 52, and the mutually connected parts of the two transverse frames 3 and the two longitudinal frames 4 are embedded into the mortises of the side chair legs 5 to form a chair frame; the bottom of the backrest 2 is provided with tenon joints 54 which are in one-to-one correspondence with the tenon joint holes 53, the tenon joints 54 penetrate through the mortise holes 31 of the rear transverse frame 3 and are inserted into the tenon joint holes 53 of the rear row of chair legs 5, so that the transverse frame 3, the longitudinal frame 4 and the chair legs 5 are mutually locked; the seat surface 1 is fixedly arranged on two transverse frames 3.

The length of the tenon joint 54 at the bottom of the backrest 2 is greater than the thickness of the transverse frame 3 and less than or equal to the sum of the thickness of the transverse frame 3 and the depth of the tenon joint hole 53.

In order to solve the problems in the prior art, the inventor provides a structure which is not connected by accessories such as screws and the like. Moreover, the structure has reasonable buckling design and is suitable for multiple times of installation and disassembly. For example, the mortises of the chair legs can easily allow the transverse frames 3 and the longitudinal frames 4 to be embedded, however, simple embedding cannot form a stable structure, the inventor designs an interlocking structure, the mortises 31 and the mounting holes 41 are respectively arranged on the transverse frames 3 and the longitudinal frames 4, the transverse frame mortises 51 and the longitudinal frame mortises 52 which are distributed in a crisscross manner are arranged in the middle of the upper ends of the chair legs, the mortises 51 are also designed with the mortises 53, the mortises 31 are inserted into the bottom mortises 54 of the backrest to form a structure that the transverse frames 3 are inserted into the mounting holes 41, the mutually connected parts of the two transverse frames 3 and the two longitudinal frames 4 are embedded into the mortises of the side chair legs 5, and the mortises 54 at the bottom of the backrest 2 are sequentially interlocked with the mortises 31 of the transverse frames 3 and the mortises 53 on the transverse frame mortises 51, so that the interlocking mode is quick to install, firm in structure and difficult to damage.

The chair can be a single seat, and can also be a multi-person chair formed by lengthening the lengths of the front transverse frame 3 and the rear transverse frame 3, additionally arranging the mortise holes 31 at proper positions on the transverse frames 3 and additionally arranging the corresponding longitudinal frames 4 and the chair legs 5 so as to meet the use requirements of different occasions.

Example 2

As shown in fig. 1, as a more specific design of embodiment 1, the backrest 2 includes two vertical braces 21 and one horizontal brace 22, the top ends and the bottom ends of the vertical braces 21 are respectively provided with a mortise 54, the horizontal brace 22 is respectively mortise-jointed with the two vertical braces 21 through mortise holes provided at both ends, and the mortise 54 at the bottom ends of the two vertical braces 21 penetrates through the mortise 31 of the rear horizontal frame 3 and is inserted into the mortise 53 of the rear row of chair legs 5.

Example 3

As shown in fig. 1, as a preferable design of embodiment 2, a longitudinal frame groove 23 is provided in the middle of the bottom end of the vertical support 21 of the backrest 2, and the tenon joints 54 are respectively located on both sides of the longitudinal frame groove 23.

By adopting the design of the longitudinal frame groove 23, the vertical support 21 of the backrest 2 and the longitudinal frame mortise 52 of the chair leg 5 can form an embedded groove slightly larger than the outline of the longitudinal frame 4, so that the longitudinal frame 4 can be firmly embedded in the longitudinal frame groove 23 and the longitudinal frame mortise 5.

Example 4

As a preferred design of embodiment 2, the wale 22 has an arc-shaped curvature along its length that follows the contour of the human body.

Example 5

As shown in fig. 1, as a preferred embodiment of the embodiment 2, the chair further includes an armrest 6, the armrest 6 includes a front support 61 and a hand support 62, the top end and the bottom end of the front support 61 are both provided with a mortise 54, the middle portion of the bottom end of the front support is provided with a longitudinal frame groove 23, the two mortise 54 are respectively located at two sides of the longitudinal frame groove 23, the mortise 54 penetrates through the mortise 31 of the front cross frame 3 and is inserted into the mortise 53 of the front row of chair legs 5, one end of the hand support 62 is provided with a mortise 53 connected to the mortise 54 at the top end of the front support 61, and the other end of the hand support 62 is provided with a mortise 54 joggled with the mortise 53 arranged on the vertical support 21 of the backrest 2.

The chair of this embodiment can be a single seat, and also can be with two front and back horizontal frame 3 length extension to increase mortise hole 31 in the suitable position on horizontal frame 3, add corresponding vertical frame 4, chair leg 5, handrail 6, constitute many people's seat, like two people, or three people's seat, or only add corresponding vertical frame 4, chair leg 5, constitute only have the both ends have the handrail in the middle of the many people's seat of not having the handrail.

When the backrest 2 and the armrests 6 are used simultaneously, the backrest 2 and the armrests 6 form an integral interlocking structure, and the tenon joints 54 at the bottoms of the backrest 2 and the armrests 6 respectively penetrate through the mortise holes 31 of the front and rear transverse frames 3 and are inserted into the tenon holes 53 of the front and rear rows of chair legs 5, so that the connection is firmest and the structural strength is optimal.

Example 6

As shown in fig. 1, as a preferable embodiment of embodiment 1, the backrest 2 further includes a plurality of vertical braces 24, upper ends of the vertical braces 24 are inserted into fixing holes formed in the bottom surfaces of the horizontal braces 22, and lower ends of the vertical braces 24 are inserted into fixing holes formed in the top surfaces of the horizontal frames 3.

Example 7

As a preferable mode of embodiment 1, the seat surface 1 is a plate or a plurality of rod bodies, and is fixed by fixing grooves or holes provided in the front and rear horizontal frames 3.

When the seat surface 1 is a plate body, the seat surface is mounted on the front and rear horizontal frames 3 by arranging fixing grooves, or the seat surface is directly arranged on the front and rear horizontal frames by adopting a plate body with the length being more than or equal to the distance between the front and rear horizontal frames.

When the seat surface 1 is formed by a plurality of rod bodies, the front and rear horizontal frames can be provided with one-to-one corresponding fixing holes, and two ends of the plurality of rod bodies are respectively installed in the fixing holes to form the seat surface.

Example 8

As shown in fig. 2, as a preferred embodiment of the embodiment 1, the chair further includes a plurality of mortise fasteners 7, the mortise fasteners 7 are U-shaped fasteners, two arms of the U-shape are tenons 54, the mortise fasteners 7 are used to replace the vertical supports 21 of the backrest 2 and/or the front supports 61 of the armrests 6, and the mortise holes 31 penetrating through the transverse frame 3 are inserted and fixed with the mortise holes 53 of the chair legs 5, so as to form a chair structure without the backrest 2 and/or the armrests 6.

In the embodiment, the mortise joint buckle is adopted to replace a backrest vertical support and/or an armrest front support, and the seat is deformed into a seat with only the backrest 2, or with the backrest 2 and the armrest 6 at the same time, or without the backrest 2 and the armrest 6, which is specifically used according to the practical application scene in life, and is an extension design of the embodiment.

The invention has the beneficial effects that:

Although particular embodiments of the invention have been described and illustrated in detail, it should be understood that various equivalent changes and modifications could be made to the above-described embodiments in accordance with the spirit of the invention, and the resulting functional effects would still fall within the scope of the invention.

Claims

1. The utility model provides a chair of tenon fourth of twelve earthly branches structure which characterized in that: comprises a seat surface, a backrest, a front transverse frame, a rear transverse frame, at least two longitudinal frames and four chair legs; the transverse frame is provided with a plurality of groups of mortise holes, each group of mortise holes comprises two through holes, the through holes are arranged in the transverse frame and penetrate through the transverse frame, the two through holes in each group of mortise holes are arranged in parallel, and the distance between the two through holes is slightly larger than the thickness of the longitudinal frame; mounting holes which vertically penetrate through the vertical frames are formed in the two ends of the vertical frames, which are close to the end parts, and the transverse frames are inserted in the mounting holes; the middle parts of the upper ends of the four chair legs are provided with transverse frame mortises and longitudinal frame mortises, the transverse frame mortises and the longitudinal frame mortises are arranged in a crossed and staggered manner, the transverse frame mortises are provided with two mortises, the shape of the mortises is the same as that of the through holes, the mortises are respectively positioned at two sides of the longitudinal frame mortises, and the parts, connected with each other, of the two transverse frames and the two longitudinal frames are embedded into the mortises of the chair legs at the sides to form a chair frame; the bottom of the backrest is provided with tenon joints which correspond to the tenon joint holes one by one, and the tenon joints penetrate through the mortise holes of the rear transverse frame and are inserted into the tenon joint holes of the rear row of chair legs, so that the transverse frame, the longitudinal frame and the chair legs are mutually locked; the seat surface is fixedly arranged on the two transverse frames.

2. The chair with the mortise and tenon structure according to claim 1, wherein: the back includes two vertical braces and a stull, and vertical brace top and bottom all are equipped with the joggle joint, and the stull is through setting up the joggle hole at both ends respectively with two vertical braces joggles, and the joggle joint of two vertical brace bottoms runs through the mortise hole of back horizontal frame and pegs graft with the joggle hole of back row chair leg.

3. The chair with the mortise and tenon structure according to claim 2, wherein: the middle of the bottom end of the backrest vertical support is provided with a longitudinal frame groove, and the tenon joints are respectively positioned on two sides of the longitudinal frame groove.

4. The chair with the mortise and tenon structure according to claim 2, wherein: the cross brace is provided with an arc-shaped bend which is matched with the contour of a human body along the length direction of the cross brace.

5. The chair with the mortise and tenon structure according to claim 2, wherein: the chair still includes the handrail, and the handrail includes preceding support and hand support, and preceding support top and bottom all are equipped with the joggle joint, and preceding support bottom middle part is equipped with indulges the frame groove, and the joggle joint sets up two and is located respectively and indulges frame groove both sides, and the joggle joint runs through the mortise hole of preceding horizontal frame and pegs graft with the mortise hole of front seat leg, and hand support one end is equipped with the mortise hole and pegs graft with the mortise joint on preceding support top, and the other end is established the joggle joint, with set up the mortise hole joggle joint on back erects the support.

6. The chair with the mortise and tenon structure according to claim 1, wherein: the backrest also comprises a plurality of vertical supports, the upper ends of the vertical supports are spliced with the fixing holes arranged on the bottom surfaces of the cross supports, and the lower ends of the vertical supports are spliced with the fixing holes arranged on the top surfaces of the cross frames.

7. The chair with the mortise and tenon structure according to claim 1, wherein: the seat surface is a plate body or a plurality of rod bodies and is fixedly installed through fixing grooves or holes formed in the front transverse frame and the rear transverse frame.

8. The chair with the mortise and tenon structure according to claim 1, wherein: the chair also comprises a plurality of mortise buckles, the mortise buckles are U-shaped buckles, two arms of each U-shaped buckle are tenon joints, and the mortise buckles are used for replacing the vertical supports of the backrest and/or the front supports of the armrests and are fixedly inserted into the tenon holes of the chair legs.