CN211117006U

CN211117006U - Detachable furniture connecting expansion plug and connecting assembly

Info

Publication number: CN211117006U
Application number: CN201920920412.5U
Authority: CN
Inventors: 司富领
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-07-28
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a can dismantle furniture and connect bloated stopper, includes bloated stopper body, bloated stopper body includes arc connecting portion and plate-shaped expansion portion, and two plate-shaped expansion portion symmetric connections form "U" shape bloated stopper body in the both ends of arc connecting portion, and bloated stopper body outer wall is equipped with the annular pawl of several layers "U". The utility model provides a can dismantle furniture coupling assembling, is including connecting bloated stopper and connecting piece, and the connecting piece includes cylindricality connecting piece body, and connecting piece body both ends are equipped with joint and drill bit respectively. Connect the bloated stopper and use with the connecting piece cooperation, it has the groove of predetermineeing to open on the first part of furniture, will connect the bloated stopper and arrange in predetermineeing the inslot as "mortise", establish the connecting piece on the second part as "tenon", when "tenon" and "mortise" of two parts combine together in order to walk the way of horse pin, two parts of furniture link together, can not see any nail hole, firm in connection, the operation is simple, and can dismantle, make things convenient for the dismouting, be convenient for used repeatedly.

Description

Detachable furniture connecting expansion plug and connecting assembly

Technical Field

The utility model relates to an equipment accessory technical field that is used for each part of furniture to connect, specifically speaking relate to a can dismantle furniture and connect bloated stopper and coupling assembling.

Background

In the manufacturing and assembling process of furniture, the most key technology is to ensure the aesthetic property and firmness of the furniture, the assembling convenience and the detachable remounting property. At present, the connection mode of each part of the wooden furniture assembly, especially the plate type furniture assembly used for home decoration generally comprises the following parts: firstly, self-tapping screws or large-head steel nails are used for connection; secondly, the connection of three-in-one combined fittings; thirdly, connecting the 'air gun' chain riveting; fourthly, the tenon-and-mortise structures are utilized for connection.

In the connection mode, the self-tapping screw and the large-head steel nail are connected with furniture with screw holes, so that the appearance of the furniture is influenced; the surface of the furniture connected by the three-in-one combined fitting is provided with no nail hole, the assembly is simple and convenient, but the inside of the furniture is still provided with a large nail hole, which affects the quality of the furniture; the furniture connected by the 'air gun' chain riveting has high manufacturing efficiency and small nail hole, but has poor firmness and can not be disassembled; the furniture connected and manufactured by the traditional tenon-and-mortise structure is exquisite without nail holes, but the manufacturing process is complex and the working efficiency is low.

In conclusion, the common furniture assembling and connecting methods have characteristics, but have disadvantages, and the common furniture assembling and connecting methods do not have the advantages of being firm, attractive, free of nail holes, simple and efficient in processing and assembling and the like.

Disclosure of Invention

To the above prior art, the to-be-solved technical problem of the utility model lies in providing a have concurrently firmly, pleasing to the eye no nail hole and processing equipment advantage such as simple and convenient high-efficient dismantled furniture connection bloated stopper and coupling assembling.

In order to solve the technical problem, the utility model provides a can dismantle furniture and connect bloated stopper, connect the bloated stopper including bloated stopper body, bloated stopper body includes arc connecting portion and plate-shaped expansion portion, and two plate-shaped expansion portion symmetric connections form "U" shape bloated stopper body in the both ends of arc connecting portion, and bloated stopper body outer wall is equipped with the annular pawl of several layers "U".

Preferably, the thickness of one end of the plate-shaped expansion part connected with the arc-shaped connecting part is equal to that of the arc-shaped connecting part, and the thickness of the other end of the plate-shaped expansion part is smaller than that of the arc-shaped connecting part. The design of this structure for the opening size of connecting "U" shape space in the bloated stopper is greater than the bottom size, and the in-process that the connecting piece pushed, the interlock power is by little crescent, and the connecting piece of being convenient for pushes.

Preferably, the mountain edge of the outer wall of the expansion plug body is provided with a U-shaped annular boss, a groove is formed between the boss and the inverted tooth, and the width of the boss is smaller than that of the inverted tooth. The setting of this structure, when dismantling, can utilize tiny part to stretch into the recess, to the boss application of force, easily take out furniture connection bloated stopper from the groove of predetermineeing on the furniture connecting piece.

Preferably, the middle part of the lower side of the arc-shaped connecting part is provided with an opening, and the opening is U-shaped or V-shaped. Be equipped with the opening in arc connecting portion downside middle part, arc connecting portion can diminish through the extrusion, and the convenience is connected the bloated stopper with furniture and is put into the groove of predetermineeing on the furniture connecting piece.

Preferably, the inner side of the expansion plug body is a smooth surface.

Preferably, the number of layers of the inverted teeth is 3-5. The number of inverted tooth layers is set to be 3-5, so that enough strong occlusion force can be met, and the expansion plug can be easily taken out of a preset groove in a furniture connecting piece when the expansion plug is detached.

The utility model discloses a can dismantle furniture and connect bloated stopper uses with the self-tapping screw cooperation. When the connecting expansion plug is used, the first part of the furniture is provided with the preset groove with the length, the width and the depth larger than those of the connecting expansion plug, the connecting expansion plug is arranged in the preset groove to serve as the mortise, the second part is provided with the self-tapping screw to serve as the tenon, when the tenon and the mortise of the two parts are combined together in a pin-walking mode, the two parts of the furniture are connected together, no nail hole can be seen, the connection firmness degree is as firm as the connection by the self-tapping screw, the operation mode is simple, the connecting expansion plug can be disassembled and assembled, and the connecting expansion plug is convenient to reuse.

The utility model also discloses a detachable furniture connecting assembly, the connecting assembly comprises a connecting expansion plug and a connecting piece, the connecting expansion plug comprises an expansion plug body, the expansion plug body comprises an arc-shaped connecting part and two plate-shaped expansion parts, the two plate-shaped expansion parts are symmetrically connected with the two ends of the arc-shaped connecting part to form a U-shaped expansion plug body, and the outer wall of the expansion plug body is provided with a plurality of layers of U-shaped annular inverted teeth; the connecting piece comprises a cylindrical connecting piece body, and the two ends of the connecting piece body are respectively provided with a clamping joint and a drill bit.

Preferably, the outer wall of the connecting piece body is provided with threads. The design of screw thread can increase the connecting piece on the one hand and be connected the frictional force between the bloated stopper, increases connection stability, and on the other hand, when pushing the connecting piece and connecting the bloated stopper, helical shape screw thread is exerted an inclined power and is given connecting the bloated stopper, increases the bite-force of connecting between bloated stopper and the furniture adapting unit preset groove inner wall.

Preferably, the diameter of the snap joint is greater than the maximum width between the inner walls of the two plate-shaped expansion parts and less than or equal to the width between the outer walls of the two plate-shaped expansion parts.

Preferably, the connecting piece is a cross flat head self-tapping screw. The connecting piece can be selected from universal cross flat head self-tapping screws, and is free from separate processing and convenient to use.

The utility model discloses a can dismantle furniture coupling assembling, connect bloated stopper and connecting piece cooperation and use, during the use, it has length to open on the first part of furniture, the width, the degree of depth all is greater than the predetermined groove of connecting the bloated stopper, will connect the bloated stopper and arrange in predetermined inslot as "mortise", establish the connecting piece on the second part as "tenon", when "tenon" and "mortise" of two parts combine together in order to walk the way of horse pin, two parts of furniture link together, can not see any nail hole, its firm in connection degree is as firm with using self-tapping screw to connect, the operation is simple, and can dismantle, make things convenient for the dismouting, convenient reuse.

To sum up, above-mentioned furniture of dismantling is connected bloated stopper and coupling assembling, has following advantage: 1. the firmness required by furniture assembly can be ensured, and the furniture is firm and durable; 2. the problem that the appearance of the furniture is influenced by the external leaking nail holes can be solved, and the appearance is attractive; 3. when the structure is processed, the connecting expansion plug is formed by injection molding of plastics such as ABS (acrylonitrile butadiene styrene), nylon and the like, a universal self-tapping screw can be selected as a connecting piece, independent processing is not needed, and the structure is simple and quick to process; 3. when the structure is applied to furniture assembly, the structure is flexible and convenient to mount, simple and efficient in disassembly and assembly operation, convenient to disassemble, transport, repair and replace parts, and easy to popularize on a large scale.

Drawings

FIG. 1 is a perspective view of the furniture connecting expansion plug of the present invention;

FIG. 2 is a front view of the furniture connecting expansion plug of the present invention;

FIG. 3 is a rear view of the furniture connecting expansion plug of the present invention;

FIG. 4 is a side view of the furniture connecting expansion plug of the present invention;

FIG. 5 is a perspective view of the connector of the present invention;

Fig. 6 is a use state diagram 1 of the furniture connecting assembly of the present invention;

Fig. 7 is a use state diagram of the furniture connecting assembly of the present invention 2;

Fig. 8 is a schematic view of the connection of the furniture connecting components of the present invention.

In the figure: 1-connecting expansion plug, 11-expansion plug body, 111-arc-shaped connecting part, 112-plate-shaped expansion part, 12-pawl, 13-boss, 14-groove, 15-opening, 2-connecting piece, 21-connecting piece body, 22-clamping joint, 23-drill bit and 3-preset groove.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

As shown in fig. 1 to 4, the detachable furniture connecting expansion plug 1 comprises an expansion plug body 11, the expansion plug body 11 comprises an arc-shaped connecting part 111 and plate-shaped expansion parts 112, the two plate-shaped expansion parts 112 are symmetrically connected to two ends of the arc-shaped connecting part 111 to form a "U" -shaped expansion plug body 11, and the outer wall of the expansion plug body 11 is provided with a plurality of layers of "U" -shaped annular inverted teeth 12.

The thickness of the plate-shaped expansion part 112 connected with the arc-shaped connecting part 111 is equal to that of the arc-shaped connecting part 111, and the thickness of the other end is smaller than that of the arc-shaped connecting part 111.

The outer wall mountain edge of the expansion plug body 11 is provided with a U-shaped annular boss 13, a groove 14 is arranged between the boss 13 and the inverted tooth 12, and the width of the boss 13 is smaller than that of the inverted tooth 12.

The middle part of the lower side of the arc-shaped connecting part 111 is provided with an opening 15, and the opening 15 is U-shaped or V-shaped.

The inner side of the expansion plug body 11 is a smooth surface.

The number of layers of the inverted teeth is 3-5.

As shown in fig. 1 to 8, a detachable furniture connecting assembly comprises a connecting expansion plug 1 and a connecting piece 2, wherein the connecting expansion plug 1 comprises an expansion plug body 11, the expansion plug body 11 comprises an arc-shaped connecting part 111 and plate-shaped expansion parts 112, the two plate-shaped expansion parts 112 are symmetrically connected to two ends of the arc-shaped connecting part 111 to form a "U" -shaped expansion plug body 11, and the outer wall of the expansion plug body 11 is provided with a plurality of layers of "U" -shaped annular inverted teeth 12; the connecting piece 2 comprises a cylindrical connecting piece body 21, and two ends of the connecting piece body 21 are respectively provided with a clamping joint 22 and a drill bit 23. The outer wall of the connecting piece body 21 is provided with threads. The diameter of the snap connector 22 is greater than the maximum width between the inner walls of the two plate-shaped expansions 112 and less than or equal to the width between the outer walls of the two plate-shaped expansions 112. The connecting piece 2 is a cross flat head self-tapping screw.

The utility model discloses a theory of operation is: according to a novel assembling principle of the furniture with the tenon-and-mortise structure of the walking pin, one of the connecting expansion plugs is arranged on the connecting end surface of two furniture parts to serve as a mortise, the other one of the connecting expansion plugs is provided with a self-tapping screw to serve as a tenon, then the mortise and the tenon of the two parts are connected and assembled together in a walking pin mode, and the furniture is firm and attractive without any nail hole. In addition, the periphery of the connecting expansion plug structure is provided with a plurality of layers of inverted tooth structures, and after the house is assembled and connected, the connecting expansion plug expands, and the inverted tooth structures enhance the 'biting force' between the connecting expansion plug and the inner wall of the preformed groove, so that the effect of firm connection of the furniture parts is achieved. The plastic expansion plug is made of plastic (such as ABS, nylon and the like) and can also be made of other materials meeting the mechanical requirements.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made thereto within the knowledge of those skilled in the art.

Claims

1. The utility model provides a can dismantle furniture and connect bloated stopper, its characterized in that, connect bloated stopper (1) including bloated stopper body (11), bloated stopper body (11) are including arc connecting portion (111) and plate-shaped expansion portion (112), and two plate-shaped expansion portion (112) symmetric connection form "U" shape bloated stopper body (11) in the both ends of arc connecting portion (111), and bloated stopper body (11) outer wall is equipped with several layers "U" shape ring form pawl (12).

2. A detachable furniture connecting expander according to claim 1, wherein the plate-shaped expander (112) is connected to the arc-shaped connecting portion (111) with a thickness equal to the thickness of the arc-shaped connecting portion (111) at one end and smaller than the thickness of the arc-shaped connecting portion (111) at the other end.

3. The detachable furniture connecting expansion plug of claim 1, wherein the mountain edge of the outer wall of the expansion plug body (11) is provided with a U-shaped annular boss (13), a groove (14) is arranged between the boss (13) and the inverted tooth (12), and the width of the boss (13) is smaller than that of the inverted tooth (12).

4. The detachable furniture connecting expansion plug of claim 1, characterized in that the arc-shaped connecting part (111) is provided with an opening (15) at the lower middle part, and the opening (15) is in a U shape or a V shape.

5. A detachable furniture connecting expander plug according to claim 1, characterised in that the inside of the expander plug body (11) is smooth.

6. The detachable furniture connecting expansion plug of claim 1, wherein the number of layers of the inverted teeth is 3-5.

7. The detachable furniture connecting assembly is characterized by comprising a connecting expansion plug (1) and a connecting piece (2), wherein the connecting expansion plug (1) comprises an expansion plug body (11), the expansion plug body (11) comprises an arc-shaped connecting part (111) and plate-shaped expansion parts (112), the two plate-shaped expansion parts (112) are symmetrically connected to two ends of the arc-shaped connecting part (111) to form a U-shaped expansion plug body (11), and the outer wall of the expansion plug body (11) is provided with a plurality of layers of U-shaped annular inverted teeth (12); the connecting piece (2) comprises a cylindrical connecting piece body (21), and two ends of the connecting piece body (21) are respectively provided with a clamping connector (22) and a drill bit (23).

8. Detachable furniture connection assembly according to claim 7, characterized in that the connector body (21) outer wall is provided with a thread.

9. Detachable furniture connecting assembly according to claim 7, characterized in that the diameter of the snap joint (22) is greater than the maximum width between the inner walls of the two plate-shaped expansions (112) and less than or equal to the width between the outer walls of the two plate-shaped expansions (112).

10. A detachable furniture connection assembly according to claim 7, characterised in that the connector (2) is selected from a cross-head self-tapping screw.