CN216975419U

CN216975419U - Invisible connecting structure for furniture

Info

Publication number: CN216975419U
Application number: CN202220392204.4U
Authority: CN
Inventors: 张叙俊; 娄巧莲; 葛海林
Original assignee: Sunon Technology Co Ltd
Current assignee: Sunon Technology Co Ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-07-15
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to the technical field of furniture, in particular to a furniture invisible connecting structure, which comprises a first member, a second member and a connecting piece, wherein the first member and the second member are connected through the connecting piece; the pre-assembled part is connected to the first component through a threaded area and is provided with a slotted hole structure on the second component, the slotted hole structure comprises jacks and clamping grooves which are formed in the lateral sides of the jacks and communicated with the jacks, the clamping part is inserted into the jacks and is clamped into the clamping grooves in a sliding mode, and the clamping part is clamped into the clamping grooves to achieve connection of the first component and the second component. The utility model does not need to use special slotting equipment to install the pre-installation part and is convenient for the disassembly and the assembly of the connecting piece.

Description

Invisible connecting structure for furniture

Technical Field

The utility model relates to the technical field of furniture, in particular to a furniture invisible connecting structure.

Background

Most of the existing products related to invisible furniture connecting pieces adopt two split connecting structural parts, the two structural parts are pre-installed into corresponding groove positions or hole positions of a plate, and then the two structural parts are clamped and fastened. Other invisible furniture connecting pieces adopt a pin type structure, the pin connecting pieces are arranged in the plates, the plates are grooved at the positions corresponding to the positions to be arranged, and the plates pre-arranged with pins are aligned with the hole positions and then clamped and fastened.

The groove-mounted split connecting piece has the using defect that special groove-mounting equipment is needed when the groove-mounted split connecting piece is mounted on a plate because most of the groove-mounted split connecting pieces are specially shaped. Such as the common domino invisible connector.

For the hole-mounted connector, a small hole is generally formed in the side surface of one plate for screwing the butt-joint thread, and the invisible connection of the plates cannot be realized.

As for the pin type connecting piece, in order to make the pin play a role of fastening, the pin structural member is generally installed by adopting a barb or a tensioning structure, so that the connecting piece can not be disassembled and assembled, and the overall disassembly and assembly of the furniture can be influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a furniture invisible connecting structure.

In order to achieve the purpose, the utility model provides the following technical scheme:

the invisible connecting structure of the furniture comprises a first member, a second member and a connecting piece, wherein the first member and the second member are connected through the connecting piece, the connecting piece comprises a pre-assembling part and a clamping part, the pre-assembling part is in a circular shaft shape, and a threaded area is arranged on the outer wall of the pre-assembling part; the pre-assembled part is connected to the first component through a threaded area and is provided with a slotted hole structure on the second component, the slotted hole structure comprises jacks and clamping grooves which are formed in the lateral sides of the jacks and communicated with the jacks, the clamping part is inserted into the jacks and is clamped into the clamping grooves in a sliding mode, and the clamping part is clamped into the clamping grooves to achieve connection of the first component and the second component.

Compare prior art, the advantage of this scheme of adoption lies in:

firstly, the connecting piece that adopts in this scheme adopts the mounting structure of hole dress formula, screws on the pre-installation portion through the screw area on the first component promptly, compares traditional groove dress formula dysmorphism connecting piece, need not to utilize special fluting equipment to install the pre-installation portion.

And the mode of preassembling the connecting piece by adopting the threaded area is convenient for disassembling the connecting piece subsequently.

Moreover, the hole-mounted connecting piece solves the problem that the traditional hole-mounted connecting piece punches on the side edge of the plate, and is completely invisible.

Finally, in the scheme, after the connecting piece is preassembled on the first component, the connecting piece can be matched with the slotted hole structure of the second component to realize clamping, so that the first component and the second component can be assembled or disassembled conveniently.

Preferably, the clamping part comprises a positioning part and a clamping head, and the pre-assembling part, the positioning part and the clamping head are sequentially connected along the axial direction; one end of the preassembly part, which is connected with the positioning part, protrudes out of the preassembly part and is abutted against the first component; one end of the clamping head, which is connected with the positioning part, protrudes out of the positioning part and is clamped in the clamping groove.

Preferably, the clamping groove comprises an upper groove and a lower groove, and the lower groove is arranged at the bottom of the upper groove and communicated with the upper groove; the positioning part and the clamping head slide into the upper groove and the lower groove respectively through the insertion hole, and the clamping head is clamped in the lower groove.

Preferably, the pre-fitting portion, the positioning portion and the chuck are of an integral structure.

Preferably, the chuck is provided with a notch structure for assisting rotation.

Preferably, the first member has a pre-installation hole for installing the pre-installation part; the threaded area is self-tapping threads, and the pre-assembly part is screwed into the pre-assembly hole through the self-tapping threads; or the threaded area is a mechanical thread, a nut matched with the mechanical thread is embedded in the pre-assembly hole, and the pre-assembly part is in threaded connection with the nut through the mechanical thread.

Other advantages and effects of the utility model are specifically set forth in the detailed description section.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is an exploded view of the connector and the first member;

FIG. 3 is a schematic view of a slot structure on the second member;

FIG. 4 is a sectional view of the first member and the second member in an assembled state;

fig. 5 is a schematic structural view of the first member and the second member in an assembled state.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a hidden connection structure for furniture, which includes a first member 1, a second member 2, and a connection element 3, wherein the first member 1 and the second member 2 are connected by the connection element 3.

It should be noted that, the first member 1 and the second member 2 herein mainly refer to two portions to be connected of furniture, such as two sheets, but may also refer to other portions to be connected, and are not limited herein.

Connecting piece 3 wholly is the circle axle form, including pre-assembly portion 31 and joint portion, pre-assembly portion 31 is the circle axle form just have the screw thread district on the outer wall of pre-assembly portion 31 for pre-assembly portion 31 wholly is screw thread pin column structure basically, during the assembly, pre-assembly portion 31 passes through screw thread district threaded connection on first component 1.

In order to adapt to the installation of the premounting section 31, in the present embodiment, as shown in fig. 2, the first member 1 has a premounting hole 11 for installation of the premounting section 31, and in order to allow the premounting section 31 to be screwed directly into the premounting hole 11, the threaded region is a self-tapping thread in the present embodiment, so that the premounting section 31 can be screwed directly into the premounting hole 11 by means of the self-tapping thread.

In other embodiments, the threaded region is designed as a conventional machine thread and a nut adapted to the machine thread is inserted into the pre-assembly bore 11, so that during assembly, the pre-assembly portion 31 is inserted into the pre-assembly bore 11 and screwed to the nut by means of the machine thread.

The pre-assembly portion 31 may be mounted in any of the above two manners, but other embodiments are also possible, and are not limited to the above embodiments.

Therefore, in the embodiment, the connecting member 3 adopts a hole-mounting type mounting structure, that is, the pre-mounting portion 31 is screwed into the first member 1 through the threaded area, compared with the conventional groove-mounting type special-shaped connecting member, the pre-mounting portion 31 is mounted without using special grooving equipment, only one pre-mounting hole 11 needs to be formed in the first member 1, and the processing is simple.

And adopt the mode that the threaded zone comes preinstalled connecting piece 3, follow-up only need rotate connecting piece 3, alright with connecting piece 3 from first component 1 unscrewing, so be favorable to the dismouting of connecting piece 3.

In order to match with the installation of the connecting piece 3, in this embodiment, a slot structure is provided on the second member 2, as shown in fig. 1 and fig. 3, the slot structure includes a jack 21 and a slot 22 that is provided on a side of the jack 21 and is communicated with the jack 21, the clamping portion is inserted into the jack 21 and is slid and clamped into the slot 22 toward a side where the slot 22 is located, and when the clamping portion is clamped into the slot 22, the connection between the first member and the second member 2 is realized.

This connecting piece 3 of hole dress formula has solved the problem that traditional hole dress formula connecting piece 3 punched at the panel side, has accomplished to be stealthy completely. And after the connecting piece 3 is preassembled on the first member 1, the slotted hole structure of the second member 2 can be matched for realizing clamping, so that the assembly or disassembly of the first member 1 and the second member 2 is facilitated.

The specific structure of the clamping part is as follows: the clamping portion comprises a positioning portion 32 and a clamping head 33, the pre-assembling portion 31, the positioning portion 32 and the clamping head 33 are sequentially connected in the axial direction, the pre-assembling portion 31, the positioning portion 32 and the clamping head 33 are integrally formed to form the connecting piece 3, and the pre-assembling portion 31, the positioning portion 32 and the clamping head 33 can also be fixedly connected in sequence.

One end of the pre-assembly portion 31, which is connected with the positioning portion 32, protrudes out of the pre-assembly portion 31 to abut against the first member 1, specifically, one end of the pre-assembly portion 31, which is connected with the positioning portion 32, protrudes out of the pre-assembly portion 31 to form a step surface, during assembly, the connecting piece 3 is screwed, so that the pre-assembly portion 31 is screwed into the pre-assembly hole 11 until the step surface abuts against the surface of the first member 1, and thus, by positioning the positioning portion 32, the screwing-in depth of the pre-assembly portion 31 can be positioned, the clamping depth of the clamping head 33 is further positioned, and the clamping head 33 can be accurately clamped into the clamping groove 22.

One end of the chuck 33 connected with the positioning portion 32 protrudes out of the positioning portion 32 to be clamped in the card slot 22, and specifically, one end of the chuck 33 connected with the positioning portion 32 protrudes out of the positioning portion 32 to form a clamping surface, and the chuck is clamped in the card slot 22 through the clamping surface to limit the chuck 33 from being pulled out.

Certainly, in order to facilitate the rotation of the whole connecting member 3 to screw the pre-assembly portion 31 into the pre-assembly hole 11, in this embodiment, as shown in fig. 2, the chuck 33 is provided with a notch structure for assisting the rotation, for example, a straight groove, a cross groove, a quincunx groove, etc. may be formed on the outer end surface of the chuck 33, so that the chuck 33 may have various structures such as a straight head, a cross head, a quincunx head, etc. to facilitate the screwing of a matching tool.

In order to adapt to the clamping of the connecting piece 3, as shown in fig. 3 and 4, the clamping groove 22 includes an upper groove 221 and a lower groove 222, the lower groove 222 is disposed at the bottom of the upper groove 221 and is communicated with the upper groove 221, both the upper groove 221 and the lower groove 222 are disposed at one side of the insertion hole 21 and are communicated with the insertion hole 21, the upper groove 221 is used for the positioning portion 32 to slide in, the lower groove 222 is used for the chuck 33 to slide in and be clamped in the lower groove 222, and a limit surface is formed at the joint of the upper groove 221 and the lower groove 222 to limit the chuck 33 from being vertically pulled out through the upper groove 221.

When assembling, the connecting member 3 is integrally preassembled to the first member 1 by screwing the preassembly portion 31 into the preassembly hole 11, then the positioning portion 32 and the retaining clip 33 are aligned with the insertion hole 21 and integrally inserted into the insertion hole 21, and then the whole first member 1 is moved to the side of the clamping groove 22, so that the positioning portion 32 slides into the upper groove 221 to be in interference fit with the clamping groove 22, and the positioning portion 32 slides into the lower groove 222 to be clamped in the lower groove 222, so as to realize the assembling of the first member 1 and the second member 2, and the assembled state is as shown in fig. 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The invisible connecting structure of the furniture comprises a first member, a second member and a connecting piece, wherein the first member and the second member are connected through the connecting piece; the pre-assembled part is connected to the first component through threads in the threaded area, a slotted hole structure is arranged on the second component, the slotted hole structure comprises jacks and clamping grooves which are formed in the lateral sides of the jacks and communicated with the jacks, the clamping part is inserted into the jacks and slides into the clamping grooves, and the clamping part is clamped into the clamping grooves to achieve connection of the first component and the second component.

2. The invisible connecting structure of furniture according to claim 1, wherein the clamping portion comprises a positioning portion and a clamping head, and the pre-assembling portion, the positioning portion and the clamping head are sequentially connected in the axial direction; one end of the preassembly part, which is connected with the positioning part, protrudes out of the preassembly part and is abutted against the first component; one end of the clamping head, which is connected with the positioning part, protrudes out of the positioning part and is clamped in the clamping groove.

3. The invisible connecting structure of furniture according to claim 2, wherein the clamping groove comprises an upper groove and a lower groove, and the lower groove is arranged at the bottom of the upper groove and is communicated with the upper groove; the positioning part and the clamping head slide into the upper groove and the lower groove respectively through the insertion hole, and the clamping head is clamped in the lower groove.

4. The invisible connecting structure of furniture according to claim 2, wherein the pre-assembling portion, the positioning portion and the clip are of an integral structure.

5. The invisible connecting structure of furniture as claimed in claim 2, wherein the clip is provided with a notch structure for assisting rotation.

6. The invisible connecting structure for furniture according to claim 1, wherein the first member is provided with a pre-installation hole for installing the pre-installation part; the threaded area is self-tapping threads, and the pre-assembly part is screwed into the pre-assembly hole through the self-tapping threads; or the threaded area is a mechanical thread, a nut matched with the mechanical thread is embedded in the pre-assembly hole, and the pre-assembly part is in threaded connection with the nut through the mechanical thread.