CN214998808U

CN214998808U - Invisible connecting assembly with any angle

Info

Publication number: CN214998808U
Application number: CN202121317918.0U
Authority: CN
Inventors: 武敬华
Original assignee: Weifang Qirenzhizao Hardware Co ltd
Current assignee: Weifang Qirenzhizao Hardware Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2021-12-03
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses an arbitrary angle invisible connection subassembly, include: the fixing part is provided with a fastener mounting hole, the first hinge part is provided with a hinge shaft first mounting hole, and the fastener mounting hole is perpendicular to the hinge shaft first mounting hole; the plug connector comprises a tensioning head, a transition neck and a second hinged part which are integrally arranged, the tensioning head protrudes out of the transition neck, and the second hinged part is provided with a second mounting hole with a hinged shaft; the first mounting hole of articulated shaft with be provided with the articulated shaft in the articulated shaft second mounting hole, the plug connector passes through the articulated shaft with the rigid coupling spare is articulated. The assembly can be self-adapted to the assembly angle of two components when in invisible connection, can be repeatedly disassembled and assembled, has high flexibility, low cost and high assembly efficiency, and opens up a wide space for the personalized development of industries such as furniture and the like.

Description

Invisible connecting assembly with any angle

Technical Field

The utility model relates to a hardware fitting technical field, concretely relates to be fit for carrying out arbitrary angle stealthy coupling assembling to two components.

Background

Hardware accessories refer to machine parts or components made of hardware, as well as some small items of hardware. It can be used alone or as an assistant tool. Such as hardware tools, hardware parts, daily hardware, building hardware, security articles and the like. The material is not limited to metal, engineering plastics and the like, and the like are widely used.

For the furniture industry, the market commonly adopts the technology of three-in-one connecting piece (or eccentric connecting piece) to realize the assembly of furniture components (mainly plates). The three-in-one connecting piece has a history of nearly fifty years since the invention popularization in the seventies of the last century till now, and the basic structure principle is not fundamentally changed, and occupies the mainstream market of furniture assembly technology. But the connection problem of furniture panel has only been solved to trinity connecting piece, and its structural principle has congenital design defect, and the main performance is: firstly, the locking nut is exposed, so that the integral attractiveness of furniture is influenced; secondly, the pre-buried technology is not firm, and furniture is easy to loosen during transportation or repeated disassembly and assembly, which affects the reuse of the furniture and even causes the scrapping of the furniture.

Along with the continuous improvement of the living standard of people, the requirement of consumers on furniture is not only limited to the practicability, but also provides higher requirements on the aesthetic property, the repeated disassembly and assembly and the firmness of carrying, and a new connecting process is urgently needed to solve the problems of the traditional three-in-one connecting process.

Invisible connection structures have been in compliance with consumer demands and have been greatly developed in recent years.

The invention of Chinese patent CN106194944B discloses a hidden connection structure for furniture, which is used for vertically connecting two boards, wherein concave-convex plug connectors which are mutually matched are respectively fixed on the two boards, and the connectors are hidden in the boards, so that the overall effect is attractive. During the equipment, through locking bolt and locking seat threaded connection, can be with two vertical taut and be connected together of board, during the dismantlement, only need loosen locking bolt and can unpack two boards apart, the packaging efficiency has been improved greatly to this kind of structure of "inserting the back lock before", and convenient to detach reassembles.

In order to simplify the invisible connection structure, the chinese invention patent CN111173815A also discloses a retractable invisible connection structure, in which the connection member can elastically extend and retract, when the installation space is limited, for example, the upper and lower plates are installed, when the middle plate is installed, the insertion part of the connection member is elastically compressed, and when the insertion part meets the wide slot end of the T-shaped slot of the other plate, the connection member is elastically released, and then the connection member is pushed into the narrow slot end of the T-shaped slot, and the narrow slot end limits the insertion part. The connecting structure is simple, the assembling sequence of the furniture plates is not limited, the assembling efficiency of the furniture is improved, and the assembling cost is reduced.

However, for some application scenes with any angle connection requirements, the existing hardware fittings are difficult to meet the requirements, and the requirements of furniture personalized design and furniture assembly are severely limited.

SUMMERY OF THE UTILITY MODEL

In view of this, the to-be-solved technical problem of the utility model is to provide an arbitrary angle invisible connection subassembly, but the assembly angle of two components of this subassembly self-adaptation when carrying out invisible connection to can relapse the dismouting, the flexibility is high, and is with low costs, and assembly efficiency is high, has opened up wide space for the individualized development of trades such as furniture.

In order to solve the technical problem, the utility model discloses a technical scheme is:

an arbitrary angle invisible connection assembly comprising: the fixing part is provided with a fastener mounting hole, the first hinge part is provided with a hinge shaft first mounting hole, and the fastener mounting hole is perpendicular to the hinge shaft first mounting hole; the plug connector comprises a tensioning head, a transition neck and a second hinged part which are integrally arranged, the tensioning head protrudes out of the transition neck, and the second hinged part is provided with a second mounting hole with a hinged shaft; the first mounting hole of articulated shaft with be provided with the articulated shaft in the articulated shaft second mounting hole, the plug connector passes through the articulated shaft with the rigid coupling spare is articulated.

The second hinging part comprises two ear plates which are respectively integrated with the transition neck part, the ear plates are provided with second hinging holes of the hinging shaft, and the first hinging part is positioned between the two ear plates.

The hinge shaft comprises a bolt and a nut, wherein the bolt penetrates through the first hinge shaft mounting hole and the second hinge shaft mounting hole and is fixed between the two lug plates of the second hinge part through the nut.

Wherein the cross-section of the tensioning head is oblong or rectangular.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

when the fastening piece is used, the fastening piece is fixed in the sinking groove of the first component, the groove surface of the first component is opposite to the surface plane of the T-shaped groove of the second component, and then the tensioning head of the fastening piece is placed into the wide groove end of the T-shaped groove and pushed into the narrow groove end until the groove surface of the first component is attached to the surface plane of the second component and locked. Because the fixed connection piece is hinged with the plug connector through the hinged shaft, the assembly can be self-adapted to the assembly angle of the two components when in invisible connection, can be repeatedly disassembled and assembled, has high flexibility, low cost and high assembly efficiency, and opens up a wide space for the personalized development of industries such as furniture and the like.

Drawings

Fig. 1 is a perspective view of an embodiment of an invisible connecting assembly of any angle according to the present invention;

fig. 2 is a top view of an embodiment of an invisible connection assembly of any angle of the present invention fixed in a groove of a first member;

FIG. 3 is a top view of a second member having a T-shaped slot formed therein;

FIG. 4 is a cross-sectional view of a structure for joining two members using the hidden connection assembly of FIG. 1 at any angle;

in the figure:

100. a fastening member; 110. a fixed part; 111. a fastener mounting hole; 120. a first hinge portion; 121. a first mounting hole of the hinge shaft;

200. a plug-in unit; 201. tensioning the head; 202. a transition neck; 203. an ear plate;

300. a first member; 301. sinking a groove; 302. a fastener; 303. a bevel face;

400. a second member; 401. a T-shaped slot; 402. a surface plane;

500. and (4) hinging the shaft.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The utility model discloses an arbitrary angle stealthy coupling assembling, be can carry out the hardware fitting of the stealthy connection of arbitrary angle to two components, set up the groove and set up heavy groove at the tip of a component, set up the T-slot at another component outward appearance plane, then be fixed in the heavy inslot of a component with hardware fitting (coupling assembling), but this hardware fitting (coupling assembling) the assembly angle of two components of self-adaptation when carrying out stealthy connection, and can relapse the dismouting, the flexibility is high, and is with low costs, the assembly efficiency is high, wide space has been opened up for the individualized development of trades such as furniture.

The connecting assembly will be described first and then the working principle of connecting two members with the connecting assembly will be described in detail in connection with the assembly process.

As shown in fig. 1, an arbitrary angle invisible connecting assembly includes: the connector 200 is hinged with the fixing member 100 through a hinge shaft 500.

The fastening member 100 includes a fixing portion 110 and a first hinge portion 120 integrally formed, the fixing portion 110 is provided with a fastener mounting hole 111, the first hinge portion 120 is provided with a hinge shaft first mounting hole 121 (see fig. 4), and the fastener mounting hole 111 is perpendicular to the hinge shaft first mounting hole 121.

The plug 200 comprises a tensioning head 201, a transition neck 202 and a second hinge part, wherein the tensioning head 201 protrudes out of the transition neck 202, and the second hinge part is provided with a second mounting hole with a hinge shaft. The second hinge portion includes two ear plates 203 integrally formed with the transition neck portion 202, respectively, the ear plates 203 being provided with the hinge shaft second mounting holes, and the first hinge portion 120 being located between the two ear plates 203.

The hinge shaft 500 includes a bolt passing through the hinge shaft first mounting hole and the hinge shaft second mounting hole and fixed between the two lugs 203 of the second hinge part by the nut.

The cross-section of the tensioning head 201 is oblong or rectangular and, when assembled, its length direction coincides with the length direction of the countersunk groove 301 of the first member or with the length direction of the T-shaped groove 401 of the second member. The long side limits the relative rotation between the two members when the connector 200 is inserted into the T-shaped slot.

The assembly process of invisible connection of two members by using the connecting component is as follows:

as shown in fig. 2 and 4, a groove is formed at an end of the first member 300, a sinking groove 301 is formed at the groove, the fastening member 100 of the invisible connection assembly of any angle is first placed in the first sinking groove 301, the contact surface of the fixing portion is contacted with the groove bottom of the sinking groove 301, and a fastening member 302 (e.g., a screw) is passed through the fastening member mounting hole 111 to fasten the fastening member 100 in the sinking groove 301 of the first member 300. The first hinge portion 120 of the connector 100 and the second hinge portion of the connector 200 are both lower than the tapered surface 303 of the first member, so that when the tensioning head 201 of the connector 200 is inserted from the wide slot end of the T-shaped slot 401, the connection assembly does not interfere with the attachment and locking of the assembly surfaces of the two members.

As shown in fig. 3, a T-shaped groove 401 is opened on one outer surface of the second member 400, and the T-shaped groove 401 has a wide groove end and a narrow groove end.

As shown in fig. 4, when assembling, the bevel surface 303 of the first member 300 is opposite to the outer surface plane 402 of the second member 400, and the assembling angle of the two is α, that is, the opening angle of the bevel, and the angle may be an acute angle or a right angle. Since the plug 200 is hinged to the rigid connection member 100, they can rotate relatively, so that it can adapt to the assembling angle of the two members. The plug connector 200 is pushed into the narrow groove end along the length direction of the T-shaped groove 401, the inner side end surface of the tensioning head 201 is overlapped with the locking end surface of the T-shaped groove 401, and the bevel surface 303 of the first component is attached to and locked with the outer surface plane 402 of the second component.

The width of the tensioning head 201 is matched with the width of the T-shaped groove, so that the plug connector 200 can be inserted from the wide groove end and can generate a guiding effect, and the width of the transition neck 202 is smaller than the width of the narrow groove of the T-shaped groove, so that the plug connector 200 can be inserted into the narrow groove end of the T-shaped groove and then positioned and locked at the narrow groove end.

The invisible connecting structure can be applied to various occasions with aesthetic requirements, is particularly suitable for the furniture industry, preferably adopts plate pieces as the two components, and can be made of engineering plastics without being limited by hardware.

The present invention is not limited to the above embodiments, and all improvements based on the concept, principle, structure and method of the present invention will fall within the protection scope of the present invention.

Claims

1. An arbitrary angle invisible connecting component, comprising:

the fixing part is provided with a fastener mounting hole, the first hinge part is provided with a hinge shaft first mounting hole, and the fastener mounting hole is perpendicular to the hinge shaft first mounting hole;

the plug connector comprises a tensioning head, a transition neck and a second hinged part which are integrally arranged, the tensioning head protrudes out of the transition neck, and the second hinged part is provided with a second mounting hole with a hinged shaft;

the first mounting hole of articulated shaft with be provided with the articulated shaft in the articulated shaft second mounting hole, the plug connector passes through the articulated shaft with the rigid coupling spare is articulated.

2. The free angle concealed connection assembly according to claim 1, wherein said second hinge portion includes two ear plates each integrally formed with said transition neck portion, said ear plates being provided with said hinge shaft second mounting holes, said first hinge portion being located between said two ear plates.

3. The free angle concealed connection assembly according to claim 2, wherein said hinge shaft includes a bolt and a nut, said bolt passing through said hinge shaft first mounting hole and said hinge shaft second mounting hole and being secured between two lugs of said second hinge portion by said nut.

4. The free angle concealed connection assembly according to claim 1, wherein said tensioning head is oblong or rectangular in cross-section.