CN213744303U

CN213744303U - Furniture connecting assembly

Info

Publication number: CN213744303U
Application number: CN202022284401.8U
Authority: CN
Inventors: 汪泽治
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-20
Anticipated expiration: 2030-10-14

Abstract

The utility model provides a furniture connecting component, which belongs to the field of furniture and comprises a tenon and a mortise, wherein the surface of the tenon is inwards provided with two clamping grooves so as to lead the longitudinal section of the tenon to be in a structure like a Chinese character 'shan'; the mortise is internally provided with two clamping protrusions respectively corresponding to the clamping grooves, the width of each clamping protrusion is larger than that of each clamping groove, so that when the clamping protrusions are inserted into the clamping grooves, the tenon is expanded and clamped in the mortise. The utility model discloses seted up two draw-in grooves on the tenon, it is protruding to be equipped with two blocks in the mortise, and the protruding width of card is greater than the width of draw-in groove, and when the protruding draw-in groove that inserts of card, the tenon can expand like this to die with the mortise card, improved joint strength.

Description

Furniture connecting assembly

Technical Field

The utility model belongs to the field of furniture, concretely relates to furniture coupling assembling.

Background

The tenon-and-mortise joint is a concave-convex combined connection mode adopted on two wood components and is formed by matching a convex tenon and a concave mortise, the tenon and the mortise are used for connecting and fixing the wood components through simple occlusion, the tenon-and-mortise structure not only can bear larger load, but also allows certain deformation to be generated, certain seismic energy is offset through deformation under seismic load, and the seismic response of the structure is reduced, so that the tenon-and-mortise joint structure is widely applied to the field of buildings and is also popular in the field of furniture.

However, when the existing tenon-and-mortise work is adopted for connecting wooden furniture, the defect that the connection strength is lower due to the fact that the tenon is laterally displaced may exist

SUMMERY OF THE UTILITY MODEL

Based on the above background problem, the utility model aims at providing a furniture coupling assembling sets up the width that the protruding width of card is greater than the width of draw-in groove, and when the protruding draw-in groove that inserts of card was like this, the tenon can expand and the card dies in the mortise to joint strength has been guaranteed.

In order to achieve the above object, the embodiment of the present invention provides a technical solution:

a mortise-tenon joint structure comprises a tenon and a mortise, wherein two clamping grooves are formed inwards in the surface of the tenon, so that the longitudinal section of the tenon is in a structure shaped like a Chinese character 'shan'; the mortise is internally provided with two clamping protrusions respectively corresponding to the clamping grooves, the width of each clamping protrusion is larger than that of each clamping groove, so that when the clamping protrusions are inserted into the clamping grooves, the tenon is expanded and clamped in the mortise.

In one embodiment, the inner surface of the clamping groove is provided with an inner ratchet, and the outer surface of the clamping protrusion is provided with an outer ratchet matched with the inner ratchet.

Preferably, the clamping projection is provided with a tip, and the width of the clamping projection is gradually increased from the tip.

In one embodiment, a wedge is arranged in the mortise and consists of two clamping protrusions and a connecting part for connecting the end parts of the two clamping protrusions; the mortise is of a fan-shaped structure with a large inside and a small opening, and the outer contour of the wedge is in a shape matched with the mortise.

In one embodiment, the tenon is arranged on the component I, and the mortise is arranged on the component II so as to connect the component I and the component II through the tenon and the mortise.

Preferably, the tenon is detachably connected with the component I, the tenon is fixed with the component I through self-tapping, and the self-tapping is arranged at the bottom of the clamping groove.

In one embodiment, when the tenon is used for connecting a component I and a component II with 45-degree ends, the mortise is formed in the ends of the component I and the component II, the tenon is integrally of an L-shaped structure, and the clamping grooves are formed in two edges of the tenon.

Compared with the prior art, the utility model discloses following effect has:

1. the utility model discloses seted up two draw-in grooves on the tenon, it is protruding to be equipped with two blocks in the mortise, and the protruding width of card is greater than the width of draw-in groove, and when the protruding draw-in groove that inserts of card, the tenon can expand like this to die with the mortise card, improved joint strength.

2. The utility model discloses be equipped with outer ratchet at the protruding surface of card, be equipped with interior ratchet at the internal surface of draw-in groove, through the cooperation of outer ratchet and interior ratchet, can prevent that tenon and mortise from throw off.

3. The utility model discloses set up the wedge in the mortise, the wedge is formed by protruding and connecting portion of card, puts into the mortise with the wedge during use, and in actual production, the processing of the mortise of being convenient for like this.

4. The utility model discloses a coupling assembling hides in the component, and the connection vestige can not be seen to the outward appearance, has improved aesthetic measure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic view of a furniture connecting assembly in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a tenon in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a wedge in embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of a member in embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a tenon in embodiment 2 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate the orientation or positional relationship based on the specific use state, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

In order to solve the poor defect of joint strength that current mortise and tenon structure exists, this embodiment provides a furniture connecting subassembly, as shown in fig. 1, including tenon 1, mortise 2 and wedge 3, tenon 1 sets up on component I100, mortise 2 sets up on component II 200, wedge 3 sets up in mortise 2.

In the present embodiment, the tenon 1 is detachably connected to the component I100, specifically, the tenon 1 is fixed to the component I100 through the self-tapping screw 4, and the self-tapping screw 4 is disposed at the bottom of a first locking groove 101 and a second locking groove 102, which will be described later. It should be noted that in other embodiments, tenon 1 can be integrally formed with component I100.

Specifically, as shown in fig. 2, a first engaging groove 101 and a second engaging groove 102 are formed inward on the surface of the tenon 1, the first engaging groove 101 and the second engaging groove 102 of this embodiment are spaced and arranged in parallel, and the widths of the first engaging groove 101 and the second engaging groove 102 are substantially consistent from top to bottom; the arrangement makes the longitudinal section of the tenon 1 of the embodiment in a structure like a Chinese character 'shan'. It should be noted that, in other embodiments, the longitudinal sections of the first card slot 101 and the second card slot 102 may also be tapered.

Specifically, as shown in fig. 3, the wedge 3 is formed by a first locking protrusion 301, a second locking protrusion 302 and a connecting portion 303, the connecting portion 303 is disposed at the end portions of the first locking protrusion 301 and the second locking protrusion 302, and in this embodiment, the first locking protrusion 301, the second locking protrusion 302 and the connecting portion 303 are integrally formed.

In order to improve the connection strength, in this embodiment, the width of the first locking protrusion 301 is greater than the width of the first locking groove 101, and the width of the second locking protrusion 302 is greater than the width of the second locking groove 102, so that when the first locking protrusion 301 is inserted into the first locking groove 101 and the second locking protrusion 302 is inserted into the second locking groove 102, the left and right side walls of the tenon 1 are squeezed to expand outwards, as shown in fig. 1, so that the tenon 1 and the mortise 2 are locked.

In this embodiment, as shown in fig. 3, the first locking protrusion 301 and the second locking protrusion 302 are provided with tip ends, the widths of the first locking protrusion 301 and the second locking protrusion 302 gradually increase from the tip ends to the top, and the connecting portion 303 has an arc-shaped structure; in order to match the structure of the wedge 3, as shown in fig. 1, the mortise 2 has a fan-shaped structure with a large inside and a small opening.

In order to prevent the tenon 1 and the mortise 2 from being separated, as shown in fig. 2, the inner ratchet 103 is disposed on the inner surface of the first slot 101 and the second slot 102, as shown in fig. 3, the outer ratchet 304 is disposed on the outer surface of the first locking protrusion 301 and the second locking protrusion 302, and when the first locking protrusion 301 is inserted into the first slot 101 and the second locking protrusion 302 is inserted into the second slot 102, the outer ratchet 304 can be engaged with the inner ratchet 103, thereby further improving the connection strength.

It should be noted that, in this embodiment, the tenon 1 is connected through the wedge 3 disposed in the mortise 2, and in other embodiments, a snap may also be directly disposed in the mortise 2, that is, the tenon 1 and the mortise 2 are directly connected.

Example 2

The present embodiment provides a furniture connecting assembly, as shown in fig. 4, for connecting a component III 300 and a component IV 400 with 45 ° ends, where the structure of a tenon 1 is shown in fig. 5, that is, the tenon 1 of the present embodiment is an L-shaped structure, which is formed by vertically fixing two tenons of embodiment 1, and at this time, mortises are provided at corresponding positions of the component III 300 and the component IV 400.

It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A furniture connecting component comprises a tenon and a mortise and is characterized in that,

two clamping grooves are formed inwards on the surface of the tenon, so that the longitudinal section of the tenon is of a structure in the shape of a Chinese character 'shan';

the mortise is internally provided with two clamping protrusions respectively corresponding to the clamping grooves, the width of each clamping protrusion is larger than that of each clamping groove, so that when the clamping protrusions are inserted into the clamping grooves, the tenon is expanded and clamped in the mortise.

2. The furniture connecting component according to claim 1, wherein the inner surface of the clamping groove is provided with an inner ratchet, and the outer surface of the clamping protrusion is provided with an outer ratchet matched with the inner ratchet.

3. The furniture connecting assembly of claim 2, wherein the snap projection is provided with a tip, and the width of the snap projection gradually increases from the tip.

4. The furniture connecting assembly according to claim 1, wherein a wedge is arranged in the mortise and consists of two clamping protrusions and a connecting part for connecting the end parts of the two clamping protrusions;

the mortise is of a fan-shaped structure with a large inside and a small opening, and the outer contour of the wedge is in a shape matched with the mortise.

5. The furniture connecting component of claim 1, wherein the tenon is disposed on component I and the mortise is disposed on component II to connect component I and component II via the tenon and mortise.

6. The furniture connecting component of claim 5, wherein the tenon is detachably connected with the member I, the tenon is fixed with the member I through a self-tapping screw, and the self-tapping screw is arranged at the bottom of the clamping groove.

7. The furniture connecting assembly according to claim 1, wherein when the tenon is used for connecting a component I and a component II with 45-degree ends, the mortise is formed in the ends of the component I and the component II, the tenon is of an L-shaped structure as a whole, and the clamping grooves are formed in two edges of the tenon.