WO2020221065A1

WO2020221065A1 - Clip-type concealed three-in-one connector

Info

Publication number: WO2020221065A1
Application number: PCT/CN2020/085933
Authority: WO
Inventors: 谯志良
Original assignee: 谯志良
Priority date: 2019-04-30
Filing date: 2020-04-21
Publication date: 2020-11-05
Also published as: CN109989965A

Abstract

A clip-type concealed three-in-one connector, comprising: a connecting plate B (4). A top part of the connecting plate B (4) is provided with a connecting plate A (5) that is perpendicular thereto; a connecting hole A (1) and a connecting hole B (2) are provided at the bottom end surface of the connecting plate A (5); fixing grooves (9) are symmetrically arranged at the top end surface of the connecting plate B (4); and connecting assemblies are embedded at the inner sides of the fixing grooves (9), the connecting assemblies comprising embedding members (8), connecting bolts (7) and fasteners (11).

Description

Clip-on hidden three-in-one connector

Technical field

The invention belongs to the technical field of connectors, and specifically relates to a clip-type hidden three-in-one connector.

Background technique

Furniture connector is a connecting part used in the process of manufacturing furniture, and it has various forms.

The existing furniture connectors still have some shortcomings in use: the existing furniture connectors are generally connected by expansion screw heads, connecting bolts and fasteners in use to ensure the stability of the connection. In actual use, because the fasteners are very tightly connected to the furniture, it is easy to loosen the connecting bolts due to the damage of the furniture, and they cannot be repaired later. The limitations of use are relatively large. At the same time, multiple furniture connections are often required. Expansion screw heads, connecting bolts, and fasteners are used together, making the connection more troublesome.

Summary of the invention

The object of the present invention is to provide a clip-type hidden three-in-one connector to solve the above-mentioned problems in the background art.

In order to achieve the above object, the present invention provides the following technical solution: a clip-type hidden three-in-one connector, including a connecting plate B, the top of the connecting plate B is provided with a connecting plate A perpendicular to it, and the connecting plate A connecting hole A and a connecting hole B are formed on the bottom surface of A. The top surface of the connecting plate B is symmetrically provided with fixing grooves. The inner side of the fixing grooves is embedded with a connecting assembly, and the connecting assembly includes an insert and a connecting A bolt, the outer sides of the insert are provided with arrow-shaped contours, the top of the connecting bolt is connected with an expansion screw head, the expansion screw head is threadedly connected with the inner wall of the connecting hole B, and the surface of the insert is provided with A side hole, the rear surface of the insert is provided with a concave hole, the center of the concave hole and the center of the side hole are on the same horizontal line, the top surface of the insert is provided with a top hole, the top hole and the side hole The inner side of the side hole is clamped with a fastener, the bottom end of the connecting bolt penetrates the top hole to the inner side of the fastener, the surface of the connecting plate B is provided with a through hole, and the bottom of the through hole The end penetrates into the inside of the fixing groove, the inside of the through hole is connected with a positioning plug, and the bottom end of the positioning plug sequentially penetrates the fixing groove, the fastener and the side hole to be fixedly connected with the concave hole.

Preferably, the positioning bolt is a composite structure composed of a cylindrical body and a round table, and a fitting piece is provided on the outside of the positioning bolt, the fitting piece is inclined, and the surface of the positioning bolt is positioned relative to the cylinder. An L-shaped groove is provided, and the bottom end of the bonding piece is clamped into the L-shaped groove by bending to be fixed with a positioning pin, and the bonding piece is an elastic material member.

Preferably, the top surface of the connecting plate B is provided with a screw hole at an inner center position relative to the inner side of the fixing groove, the inner side of the connecting hole A is penetrated with a fixing bolt, and the connecting hole A is connected to the connecting hole through the screw hole by the fixing bolt. Board B is fixed.

Preferably, the thickness of the fastener is equal to the depth of the side hole, and the bottom end of the connecting bolt is composed of two cylinders with different diameters.

Preferably, the center of the through hole and the center of the side hole are on the same straight line, and the inner diameter of the through hole is the same as the diameter of the truncated cone constituting the positioning plug.

Preferably, the connecting plate B and the connecting plate A are both rectangular parallelepiped structures, and both are wooden material members.

Preferably, the diameter of the bottom end of the round table constituting the positioning plug is one point three times the diameter of the cylindrical body constituting the positioning plug, and the diameter of the cylindrical body is equal to the diameter of the top end of the round table.

Compared with the prior art, the beneficial effects of the present invention are:

1. Through the designed inserts, the connecting bolts and fasteners are integrally placed inside the inserts to connect, thereby greatly reducing the damage caused by the connection between the fasteners and the furniture, reducing the limitations of use, and matching the designed positioning pins. It can further increase the stability of the connection and reduce the frequency of maintenance. At the same time, the installation and subsequent disassembly are more convenient, the aesthetics are also improved, and all the connection components are hidden, making the appearance of the connecting board A and the connecting board B invisible The connecting parts are exposed, making the surface of the connecting board A and the connecting board B more beautiful;

2. Through the designed fitting piece, when the positioning pin is inserted into the fastener, the stability of the connection can be increased through its own deformation and resilience, so as to avoid loosening in later use and ensure the normal use of the connector.

Description of the drawings

Figure 1 is an exploded schematic diagram of the present invention;

Figure 2 is a schematic diagram of the structure of the present invention;

Figure 3 is a schematic diagram of the structure of the insert of the present invention;

Figure 4 is a cross-sectional view of the positioning bolt of the present invention.

In the figure: 1. Connecting hole A; 2. Connecting hole B; 3. Positioning pin; 4. Connecting plate B; 5. Connecting plate A; 6. Expansion screw head; 7. Connecting bolt; 8. Insert; 9. Fixing groove; 10. Through hole; 11. Fastener; 12. Fixing bolt; 13. Top hole; 14. Side hole; 15. Laminating sheet.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Example 1

Please refer to Figures 1 to 3, the present invention provides a technical solution: a clip-type hidden three-in-one connector, including a connecting plate B4, the top of the connecting plate B4 is provided with a connecting plate A5 perpendicular to it, and the connecting plate The bottom surface of A5 is provided with a connecting hole A1 and a connecting hole B2. The top surface of the connecting plate B4 is provided with a fixing groove 9 symmetrically. The inner side of the fixing groove 9 is embedded with a connecting assembly. The connecting assembly includes an insert 8 and a connecting bolt 7. The outer sides of the insert 8 are provided with arrow-shaped contours. The top end of the connecting bolt 7 is connected with an expansion screw head 6, which is threadedly connected to the inner wall of the connecting hole B2. The surface of the insert 8 is provided with a side hole 14. The rear surface of the piece 8 is provided with a concave hole, the center of the concave hole and the center of the side hole 14 are on the same horizontal line, the top surface of the insert 8 is provided with a top hole 13, the top hole 13 communicates with the side hole 14, and the side hole 14 A fastener 11 is clamped on the inside, the bottom end of the connecting bolt 7 penetrates the top hole 13 to the inside of the fastener 11, the surface of the connecting plate B4 is provided with a through hole 10, and the bottom end of the through hole 10 penetrates to the fixing groove 9 The inside of the through hole 10 is connected with a positioning pin 3, and the bottom end of the positioning pin 3 sequentially penetrates the fixing groove 9, the fastener 11 and the side hole 14 to be fixedly connected with the concave hole. The designed insert 8 connects The bolt 7 and the fastener 11 are integrally placed inside the insert 8, thereby greatly reducing the damage caused by the connection between the fastener 11 and the furniture, reducing the limitation of use, and the design of the positioning pin 3 can further increase the connection Stability reduces the frequency of maintenance. At the same time, installation and subsequent disassembly are more convenient, and the aesthetics is also improved, and all the connection components are hidden, so that the appearance of the connection board A5 and the connection board B4 cannot see the connection parts exposed outside. , Make the surface of the connecting board A5 and the connecting board B4 more beautiful.

Example 2

Please refer to Figures 1 to 4, the present invention provides a technical solution: a clip-type hidden three-in-one connector, including a connecting plate B4, the top of the connecting plate B4 is provided with a connecting plate A5 perpendicular to it, the connecting plate The bottom surface of A5 is provided with a connecting hole A1 and a connecting hole B2. The top surface of the connecting plate B4 is provided with a fixing groove 9 symmetrically. The inner side of the fixing groove 9 is embedded with a connecting assembly. The connecting assembly includes an insert 8 and a connecting bolt 7. The outer sides of the insert 8 are provided with arrow-shaped contours. The top end of the connecting bolt 7 is connected with an expansion screw head 6, which is threadedly connected to the inner wall of the connecting hole B2. The surface of the insert 8 is provided with a side hole 14. The rear surface of the piece 8 is provided with a concave hole, the center of the concave hole and the center of the side hole 14 are on the same horizontal line, the top surface of the insert 8 is provided with a top hole 13, the top hole 13 communicates with the side hole 14, and the side hole 14 A fastener 11 is clamped on the inside, the bottom end of the connecting bolt 7 penetrates the top hole 13 to the inside of the fastener 11, the surface of the connecting plate B4 is provided with a through hole 10, and the bottom end of the through hole 10 penetrates to the fixing slot 9 The inside of the through hole 10 is connected with a positioning pin 3, and the bottom end of the positioning pin 3 sequentially penetrates the fixing groove 9, the fastener 11 and the side hole 14 to be fixedly connected with the concave hole. The designed insert 8 connects The bolt 7 and the fastener 11 are integrally placed inside the insert 8, thereby greatly reducing the damage caused by the connection between the fastener 11 and the furniture, reducing the limitation of use, and the design of the positioning pin 3 can further increase the connection Stability reduces the frequency of maintenance. At the same time, installation and later disassembly are more convenient, and the aesthetics is also improved, and all the connection components are hidden, so that the connection parts are not exposed outside the connection board A5 and the connection board B4 , Make the surface of the connecting board A5 and the connecting board B4 more beautiful.

In this embodiment, preferably, the positioning plug 3 is composed of a composite structure composed of a cylinder and a round table. The positioning plug 3 is provided with a bonding sheet 15 on the outside. The bonding sheet 15 is inclined, and the surface of the positioning plug 3 is relative to the cylinder. An L-shaped groove is opened at the position, and the bottom end of the fitting piece 15 is snapped into the L-shaped groove and fixed with the positioning pin 3 by bending. The fitting piece 15 is an elastic material member. The designed fitting piece 15 can locate the pin 3 When the fastener 11 is inserted, the stability of the connection is increased through its own deformation and resilience, so as to avoid loosening in later use and ensure the normal use of the connection.

In this embodiment, preferably, a screw hole is provided on the top surface of the connecting plate B4 relative to the inner center of the fixing groove 9, the inner side of the connecting hole A1 is penetrated with a fixing bolt 12, and the connecting hole A1 passes through the screw hole through the fixing bolt 12 It is fixed to the connecting plate B4, and the designed fixing bolt 12 is used to strengthen the connection in order to avoid the damage of the plate caused by the insert 8.

The working principle and use process of the present invention: When the present invention is in use, the expansion screw head 6 is screwed into the connecting hole B2, and then the connecting bolt 7 is rotated and screwed into the collision screw head 6 for connection, and the connecting bolt 7 passes The expansion screw head 6 is fixed on the bottom end surface of the connecting plate A5, the fastener 11 is placed in the side hole 14 opened on the surface of the insert 8, and then the connecting bolt 7 is inserted into the insert 8, and the fastener 11 is fastened Then, the insert 8 fixed on the connecting plate A5 is aligned with the fixing groove 9 and inserted, and then the connecting bolt 7 and the fastener 11 are tightened clockwise through the through hole 10 with a cross knife, so that the connecting plate A5 and The connecting plate B4 is closely attached to the fastener 11 through the connecting bolt 7, and then the positioning pin 3 is inserted into the rear half of the connecting plate B4 through the fastener 11 from the through hole 10 to be fixed. During the fixing, the surface of the positioning pin 3 The bonding sheet 15 is compressed by force. After the installation is completed, the rebound force of the bonding sheet 15 increases the connection stability again.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. And variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

The clip-type concealed three-in-one connector includes a connecting plate B (4). The top of the connecting plate B (4) is provided with a connecting plate A (5) perpendicular to it, characterized in that: the connecting plate The bottom surface of the plate A (5) is provided with a connecting hole A (1) and a connecting hole B (2), and the top surface of the connecting plate B (4) is symmetrically provided with a fixing groove (9), and the fixing groove ( 9) is embedded with a connecting assembly including an insert (8) and a connecting bolt (7), the outer sides of the insert (8) are provided with arrow-shaped contours, and the connecting bolt (7) ) Is connected to the top end of an expansion screw head (6), the expansion screw head (6) is threadedly connected to the inner wall of the connecting hole B (2), the surface of the insert (8) is provided with a side hole (14), so The back surface of the insert (8) is provided with a concave hole, the center of the concave hole and the center of the side hole (14) are on the same horizontal line, and the top surface of the insert (8) is provided with a top hole (13) , The top hole (13) communicates with the side hole (14), a fastener (11) is clamped inside the side hole (14), and the bottom end of the connecting bolt (7) penetrates the top hole (13). ) To the inside of the fastener (11), a through hole (10) is opened on the surface of the connecting plate B (4), and the bottom end of the through hole (10) penetrates into the fixing groove (9), A positioning pin (3) penetrates through the inside of the through hole (10), and the bottom end of the positioning pin (3) sequentially penetrates the fixing groove (9), the fastener (11), the side hole (14) and the concave The hole is fixedly connected.
The clip-type concealed three-in-one connector according to claim 1, characterized in that: the positioning bolt (3) is a composite structure composed of a cylinder and a round table, and a sticker is provided on the outside of the positioning bolt (3) The fitting piece (15), the fitting piece (15) is inclined, the surface of the positioning pin (3) is provided with an L-shaped groove at a position relative to the cylinder, and the bottom end of the fitting piece (15) It is fixed to the positioning plug (3) by bending and snapping into the L-shaped groove, and the bonding piece (15) is an elastic material member.
The clip-type concealed three-in-one connector according to claim 1, characterized in that: the top surface of the connecting plate B (4) is provided with a screw hole at the inner center of the fixing groove (9), so A fixing bolt (12) penetrates through the inner side of the connecting hole A (1), and the connecting hole A (1) is fixed to the connecting plate B (4) through the fixing bolt (12) through the screw hole.
The clip-type concealed three-in-one connector according to claim 1, wherein the thickness of the fastener (11) is equal to the depth of the side hole (14), and the bottom of the connecting bolt (7) The end is composed of two cylinders with different diameters.
The clip-type hidden three-in-one connector according to claim 1, characterized in that: the center of the through hole (10) and the center of the side hole (14) are on the same straight line, and the through hole (10) The inner diameter of is the same as the diameter of the round table constituting the positioning plug (3).
The clip-type concealed three-in-one connector according to claim 3, wherein the connecting plate B (4) and the connecting plate A (5) are both rectangular parallelepiped structures, and both are wooden material members.
The clip-type concealed three-in-one connector according to claim 5, characterized in that: the diameter of the bottom end of the round table constituting the positioning bolt (3) is 1.3% of the diameter of the cylinder constituting the positioning bolt (3) And the diameter of the cylinder is equal to the diameter at the top of the truncated cone.