CN210290395U

CN210290395U - Joint for right-angle lap joint of metal square tube frame cross brace and cross brace of furniture

Info

Publication number: CN210290395U
Application number: CN201920751691.7U
Authority: CN
Inventors: 李灵芝
Original assignee: Yangzhou Seekon Shengshitong Intelligent Equipment Manufacturing Co Ltd
Current assignee: Yangzhou Seekon Shengshitong Intelligent Equipment Manufacturing Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-04-10
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to the technical field of right-angle lap joint of metal pipe profiles, in particular to a joint of a metal square pipe frame cross brace and a cross brace right-angle lap joint of furniture, which comprises a connecting seat and a tension component, wherein the connecting seat is provided with a joint, the upper part of the joint is provided with a first empty slot for accommodating the tension component, two sides of the joint are respectively provided with a second empty slot, the inner wall of the first empty slot is connected with a pressing plate in a sliding way, the lower side surface of the pressing plate is connected with the bottom wall of the first empty slot through a spring, so that when the tension screw is screwed, a tension top block can be upwards propped against the inner top wall of the metal square pipe, the lower side of the joint is propped against the inner bottom wall of the metal square pipe, when the tension screw is continuously screwed, two side top plates can be respectively propped against two inner side walls of the metal square pipe, thereby reliably connecting the, the problem that each metal square tube needs to be customized with a corresponding joint is solved, and the customization cost is greatly reduced.

Description

Joint for right-angle lap joint of metal square tube frame cross brace and cross brace of furniture

Technical Field

The utility model relates to a tubular metal resonator section bar right angle overlap joint technical field specifically is a furniture metal square tubular frame stull and stull right angle lapped joint's joint.

Background

The joint of the cross brace and the cross brace right-angle lap joint of the metal square tube frame of the furniture is used for the connecting piece directly connected between two square tubes, and the structure of the connecting piece determines the connecting strength and the installation time between the two metal square tubes.

Also appeared a patent among the prior art about a furniture metal square pipe frame stull and stull right angle lapped joint, a chinese patent that application number is 2018205379592 discloses a furniture metal square pipe frame stull and stull right angle lapped connecting piece, furniture metal square pipe frame stull includes with stull right angle lapped connecting piece: the connecting seat and the tensioning assembly; the connecting seat is provided with a joint, and the joint is provided with an empty groove for accommodating the tensioning assembly; the tensioning assembly comprises a tensioning top block and a tensioning screw; the tensioning jacking block is provided with a tensioning screw hole; after the tensioning assembly is installed in the empty groove of the joint, the formed section is the same as the shape of the inner hole of the section of the connected metal square pipe, the nominal size of the section of the joint is equal to the corresponding nominal size of the section of the inner hole of the section of the metal square pipe, and the actual size of the section of the joint is obtained according to clearance fit of a basic hole system.

This technical scheme can carry out the right angle overlap joint to two metal side pipes, but among this technical scheme, the tight subassembly that rises is packed into the cross-section that forms after in the dead slot of joint will be the same with the cross-section hole shape of the metal side pipe of being connected, and require that the cross-section of joint and the corresponding nominal size of the cross-section hole cross-section of metal side pipe are equal, joint cross-section actual dimension will be according to basic hole system clearance fit value, this metal side pipe that just appears different bores needs the customization rather than the joint that corresponds, and furniture is generally the customization, the size of the bore of metal side pipe is various, need the customization rather than the joint of corresponding model, this has just caused the increase of cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a furniture metal square tube frame stull and stull right angle lapped joint connect.

The utility model provides a its technical problem adopt following technical scheme to realize: the utility model relates to a joint of furniture metal square pipe frame stull and stull right angle lapped, including connecting seat and tight subassembly that rises, the connecting seat is equipped with the joint, the upper portion of joint is equipped with a first dead slot that is used for holding tight subassembly that rises, the both sides setting of joint all is equipped with the second dead slot, sliding connection has the clamp plate on the inner wall of first dead slot, the downside of clamp plate passes through the spring coupling on the diapire of first dead slot, and the downside of clamp plate articulates there are a plurality of first hinge bars, a plurality of first hinge bar divide into two rows and symmetrical arrangement, two rows first hinge bar respectively run through the overhead through-hole of seting up and reach the second dead slot in, the tip of first hinge bar articulates on the second hinge bar, the one end of second hinge bar articulates on the diapire of second dead slot, and the other end articulates on the side roof; the tensioning assembly comprises a tensioning top block and a tensioning screw, a threaded through hole in threaded connection with the tensioning screw is formed in the tensioning top block, the lower end of the tensioning screw is movably connected with the pressing plate, a metal square pipe is movably sleeved on the joint, the metal square pipe contains the tensioning assembly and the side top plate, and a process hole corresponding to the position of the tensioning screw is formed in the upper side wall of the metal square pipe.

Preferably, the tensioning screw used by the tensioning assembly is an inner hexagonal common tensioning screw, or a straight-line common tensioning screw, or a cross common tensioning screw, or an outer hexagonal common tensioning screw.

Preferably, the number of the tensioning screws on the tensioning top block is at least two.

Preferably, the number of the first hinge rods located in the same row is four to six, and the first hinge rods are arranged side by side at equal intervals.

Preferably, a plurality of anti-skidding vertical stripes are arranged on the outer side surface of the side top plate.

Preferably, the side top plate and the anti-skid vertical stripes are integrally cast.

Compared with the prior art, the beneficial effects of the utility model are that: a furniture metal square tube frame stull and stull right angle lapped joint, through setting up the tight kicking block that rises, connect, clamp plate and side roof isotructure, realized when the tight screw that rises of screwing, the tight kicking block that rises can upwards push up on the interior roof of metal square tube, make the downside top that connects on the interior diapire of metal square tube, when continuing to screw the tight screw that rises, two side roofs can push up respectively on two inside walls of metal square tube, thereby can carry out reliable connection to the metal square tube of multiple different bores, the problem of the joint that every metal square tube needs a customization to correspond has been solved, greatly reduced the cost of customization.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial cross-sectional view of the metal square tube of the present invention;

fig. 3 is a sectional view taken along line a-a of fig. 1.

In the figure: the connecting seat 1, the tensioning assembly 2, the tensioning top block 21, the tensioning screw 22, the joint 3, the first empty groove 31, the second empty groove 32, the pressing plate 33, the first hinge rod 34, the second hinge rod 35, the side top plate 36, the anti-skidding vertical lines 37, the metal square tube 4 and the fabrication hole 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model relates to a joint of a furniture metal square tube frame cross brace and cross brace right angle lap joint, which comprises a connecting seat 1 and a tensioning component 2, wherein the connecting seat 1 is provided with a joint 3, the upper part of the joint 3 is provided with a first empty groove 31 for accommodating the tensioning component 2, two sides of the joint 3 are respectively provided with a second empty groove 32, the inner wall of the first empty groove 31 is connected with a pressing plate 33 in a sliding way, the lower side surface of the pressing plate 33 is connected on the bottom wall of the first empty groove 31 through a spring, the lower side surface of the pressing plate 33 is hinged with a plurality of first hinged rods 34, the first hinged rods 34 are divided into two rows and are symmetrically arranged, the two rows of first hinged rods 34 respectively penetrate through holes arranged on the joint 3 and reach the second empty groove 32, the end part of the first hinged rods 34 is hinged on the second hinged rods 35, one end of the second hinged rods 35 is hinged on the bottom wall of the second empty groove 32, the other end is hinged on a side top plate 36, and through the cooperation among the pressure plate 33, the spring, the first hinge rod 34, the second hinge rod 35 and the side top plate 36, when the pressure plate 33 is not stressed, the spring can push the pressure plate 33 to move upwards, so that the side top plate 36 is tightly attached to the joint 3 under the action of the first hinge rod 34 and the second hinge rod 35, and when the pressure plate 33 is stressed downwards, the pressure plate 33 can move downwards, so that the side top plate 36 moves away from the joint 3 under the action of the first hinge rod 34 and the second hinge rod 35; the tensioning assembly 2 comprises a tensioning top block 21 and a tensioning screw 22, a threaded through hole in threaded connection with the tensioning screw 22 is formed in the tensioning top block 21, the lower end of the tensioning screw 22 is movably connected with a pressing plate 33, a metal square tube 4 is movably sleeved on the joint 3, the tensioning assembly 2 and a side top plate 36 are contained in the metal square tube 4, a process hole 5 corresponding to the tensioning screw 22 is formed in the upper side wall of the metal square tube 4, the tensioning screw 22 is screwed downwards through the process hole 5, the tensioning screw 22 is extruded on the pressing plate 33, the tensioning top block 21 moves upwards and pushes against the inner top wall of the metal square tube 4, the tensioning screw 22 continues to be screwed downwards, the tensioning top block 21 cannot move upwards at the moment, and the pressing plate 33 is pushed downwards by the tensioning screw 22.

As an embodiment of the present invention, the tensioning screw 22 used in the tensioning assembly 2 is a common inner hexagon tensioning screw, or a common straight tensioning screw, or a common cross tensioning screw, or a common outer hexagon tensioning screw.

As an embodiment of the present invention, the number of the tension screws 22 on the tension top block 21 is at least two.

Preferably, the number of the first hinge rods 34 in the same row is four to six, and a plurality of the first hinge rods 34 are arranged side by side at equal intervals.

Preferably, a plurality of anti-slip vertical lines 37 are arranged on the outer side surface of the side top plate 36.

Preferably, the side top plate 36 and the anti-slip vertical lines 37 are integrally cast.

A furniture metal square tubular frame stull and stull right angle lapped use method who connects: screwing the tensioning screw 22 into the screw through hole of the tensioning top block 21 to form a tensioning assembly 2; placing the tensioning assembly 2 into the first empty groove 31 of the joint 3; the joint 3 is installed at the port of the metal square pipe 4, the tensioning assembly 2 and the side top plate 36 of the metal square pipe 4 are contained in the joint, then the tensioning screw 22 is rotated by a wrench through the fabrication hole 5 on the metal square pipe 4, the tensioning screw 22 extends towards the pressing plate 33, under the action of the threads, the tensioning top block 21 moves towards the direction opposite to the moving direction of the tensioning screw 22, and the upper end face of the tensioning top block 21 is tightly propped against the inner top wall of the metal square pipe 4; at this time, the tensioning screw 22 is continuously screwed downwards, and at this time, the tensioning jacking block 21 cannot move upwards, so that the tensioning screw 22 jacks the pressing plate 33 downwards, the side top plates 36 move towards the direction away from the joint 3 under the action of the first hinge rod 34 and the second hinge rod 35, and the two side top plates 36 are respectively extruded on the two inner side walls of the metal square pipe 4, so that the connection strength is further strengthened; then, the connecting seat 1 is arranged on the side surface of the other metal square tube 4 through a bolt according to the design requirement; the two square metal tubes 4 form a reliable right-angle connection.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a furniture metal square pipe frame stull and stull right angle lapped joint, includes connecting seat (1) and rises and tightly subassembly (2), its characterized in that: the connecting seat (1) is provided with a joint (3), the upper part of the joint (3) is provided with a first empty groove (31) for accommodating the tensioning component (2), the two sides of the joint (3) are respectively provided with a second empty groove (32), the inner wall of the first empty groove (31) is connected with a pressing plate (33) in a sliding manner, the lower side surface of the pressing plate (33) is connected onto the bottom wall of the first empty groove (31) through a spring, the lower side surface of the pressing plate (33) is hinged with a plurality of first hinged rods (34), the first hinged rods (34) are divided into two rows and are symmetrically arranged, the two rows of first hinged rods (34) respectively penetrate through holes arranged on the joint (3) and reach the second empty groove (32), the end parts of the first hinged rods (34) are hinged onto the second hinged rods (35), one end of the second hinged rods (35) is hinged onto the bottom wall of the second empty groove (32), the other end is hinged on the side top plate (36); the tensioning assembly (2) comprises a tensioning jacking block (21) and a tensioning screw (22), a threaded through hole connected with the tensioning screw (22) is formed in the tensioning jacking block (21), the lower end of the tensioning screw (22) is movably connected with a pressing plate (33), a metal square pipe (4) is movably sleeved on a joint (3), the metal square pipe (4) contains the tensioning assembly (2) and a side top plate (36), and a fabrication hole (5) corresponding to the position of the tensioning screw (22) is formed in the upper side wall of the metal square pipe (4).

2. The joint for the right-angle lap joint of the furniture metal square tube frame cross brace and the cross brace as claimed in claim 1, characterized in that: the tensioning screw (22) used by the tensioning assembly (2) is an inner hexagonal common tensioning screw, or a straight-line common tensioning screw, or a cross common tensioning screw, or an outer hexagonal common tensioning screw.

3. The joint for the right-angle lap joint of the furniture metal square tube frame cross brace and the cross brace as claimed in claim 1, characterized in that: the number of the tensioning screws (22) on the tensioning top block (21) is at least two.

4. The joint for the right-angle lap joint of the furniture metal square tube frame cross brace and the cross brace as claimed in claim 1, characterized in that: the number of the first hinge rods (34) in the same row is four to six, and the first hinge rods (34) are arranged side by side at equal intervals.

5. The joint for the right-angle lap joint of the furniture metal square tube frame cross brace and the cross brace as claimed in claim 1, characterized in that: the outer side surface of the side top plate (36) is provided with a plurality of anti-skidding vertical grains (37).

6. The joint of the right-angle lap joint of the furniture metal square tube frame cross brace and the cross brace as claimed in claim 5, characterized in that: the side top plate (36) and the anti-skid vertical grains (37) are integrally cast and formed.