CN211737684U

CN211737684U - Furniture and invisible positioning structure thereof

Info

Publication number: CN211737684U
Application number: CN202020140756.7U
Authority: CN
Inventors: 武敬华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-10-23
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a furniture and stealthy location structure thereof, the utility model discloses a stealthy location structure of furniture is used for two boards of vertical positioning, and two boards include first board and second board. The invisible positioning structure further comprises a positioning hole formed in the plate surface of the first plate and a positioning pin mounting hole formed in the connecting end surface of the second plate. The locating pin is elastically installed in the locating pin mounting hole, and when the head of the locating pin stretches into the locating hole, the second plate and the first plate are located. After the two plates are connected, the used invisible furniture positioning structure is completely hidden in the plates, so that the completely invisible connection of the furniture plates can be realized, the overall attractive effect is improved, the structure is simple, the assembly efficiency of the furniture is improved, and the assembly cost is reduced.

Description

Furniture and invisible positioning structure thereof

Technical Field

The utility model belongs to the technical field of furniture, concretely relates to furniture and with two blocks of boards perpendicularly link together and carry out stealthy location structure of location.

Background

At present, the production and assembly process of the furniture industry generally adopts the process of three-in-one connecting piece (or eccentric connecting piece) to realize the assembly of furniture besides the traditional tenon-and-mortise structure. Three-in-one connecting piece has been the history of nearly fifty years since the utility model of seventies of the last century popularized to date, and the fundamental structure principle has not changed fundamentally to occupy the mainstream market of furniture assembly technology. Because the connection problem of furniture panel has only been solved to trinity connecting piece, its structural principle has congenital design defect, and the key 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 requirements of consumers on furniture are not only limited to practicability, but also put forward higher requirements on the firmness of attractiveness, repeated disassembly and assembly and carrying. To the problem that traditional trinity connection technology exists, a new connection technology has appeared, for example, chinese utility model patent specification of CN 106194944B that 16 th announced 3.8.2018 just discloses a "stealthy connection structure of furniture" this kind of stealthy connection structure is used for connecting two boards perpendicularly, has seted up the T-slot on the face of first board, on first plug connector expert was fixed in the T-slot, set up grafting recess and the open locking recess of tip on the lateral wall of second board, the second plug connector is fixed in the grafting recess. The inserting groove corresponds to the inserting T-shaped groove in position, the locking groove corresponds to the locking T-shaped groove in position, and the first connector is inserted into the second connector; the locking seat is fixed in the locking groove of the second plate through screws, the locking seat is in threaded connection with the locking bolt, and the locking bolt abuts against the first plug connector in the locking T-shaped groove. The invisible connecting structure can ensure the assembling quality and the firmness and stability of the assembled furniture, and is convenient to assemble after being disassembled, but the structure is found to be too complex in the using process, the furniture assembling efficiency is low, and the assembling cost is high.

Disclosure of Invention

In order to overcome the above-mentioned defect, the utility model discloses a first technical problem that will solve is: the utility model provides a stealthy location structure of furniture, its complete stealthy location that not only can realize furniture board, simple structure has improved the packaging efficiency of furniture moreover, has reduced assembly cost.

In order to solve the technical problem, the technical scheme of the utility model is that:

the invisible positioning structure of the furniture is used for vertically positioning two plates, and the two plates comprise a first plate and a second plate; it is characterized in that the invisible positioning structure further comprises: the positioning hole is formed in the plate surface of the first plate; the positioning pin mounting hole is formed in the connecting end face of the second plate; the positioning pin is elastically arranged in the positioning pin mounting hole, and when the head of the positioning pin extends into the positioning hole, the second plate and the first plate are positioned; the head of the positioning pin is provided with a breakable structure which is broken when the radial force exceeds a predetermined limit.

Further, the breakable structure is a breakable groove.

Further, the easy-breaking groove is an annular groove.

Furthermore, an axial spring mounting hole is formed in the body of the positioning pin.

Further, a spring is installed in the spring installation hole.

The utility model discloses the second technical problem that will solve is: the furniture is simple in structure, the assembling efficiency of the furniture is improved, and the assembling cost is reduced.

furniture, comprising: the furniture invisible positioning structure comprises two first plates which are arranged in parallel, wherein a second plate is vertically arranged between the two first plates, the second plate is provided with two opposite connecting end surfaces, and the invisible positioning structure for furniture is arranged between one connecting end surface and the surface of the first plate.

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

the utility model discloses an invisible positioning structure of furniture is used for two boards of vertical location, and two boards include first board and second board. The invisible positioning structure further comprises a positioning hole formed in the plate surface of the first plate and a positioning pin mounting hole formed in the connecting end surface of the second plate. The locating pin is elastically installed in the locating pin mounting hole, and when the head of the locating pin stretches into the locating hole, the second plate and the first plate are located. After the two plates are connected, the used invisible positioning structure is completely hidden in the plates, so that the complete invisible connection of the furniture plates can be realized, the overall attractive effect is improved, the structure is simple, the assembly efficiency of the furniture is improved, and the assembly cost is reduced.

Drawings

Fig. 1 is a perspective view of a piece of furniture according to the present invention;

fig. 2 is a schematic structural diagram of a piece of furniture according to the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of region B of FIG. 3 rotated 90 clockwise;

FIG. 5 is an enlarged partial schematic view of region C of FIG. 3 rotated 90 clockwise;

FIG. 6 is an enlarged fragmentary structural schematic view of the first plate of FIG. 1;

FIG. 7 is an enlarged cross-sectional view taken along line D-D of FIG. 6;

FIG. 8 is an enlarged schematic view of the second plate of FIG. 1;

FIG. 9 is a partial schematic view in section along E-E of FIG. 8;

FIG. 10 is an enlarged, fragmentary, schematic view of region F of FIG. 9;

FIG. 11 is an exploded view of a first T-slot connector, a first anti-release member, a first resilient member and a first connecting plate of the present invention;

FIG. 12 is a cross-sectional view of a first T-slot connector, a first anti-release member, a first resilient member, and a first connecting plate of the present invention;

FIG. 13 is a perspective view of the locating pin of FIG. 1;

FIG. 14 is a perspective view of the body of the locating pin of FIG. 13;

FIG. 15 is an enlarged partial schematic view of region G of FIG. 3 rotated 90 counterclockwise;

FIG. 16 is an enlarged schematic view of the first and second T-slot connectors of FIG. 15;

FIG. 17 is a schematic view of the structure of the second plate of FIG. 15;

in the figure, 1-compression spring, 2-bolt, 3-T-slot connector I, 31-plug part I, 311-tensioning head I, 4-connecting plate I, 41-connecting screw mounting hole I, 5-nut, 6-anti-slip part, 61-limiting part, 7-first plate, 8-second plate, 9-first plate, 10-second plate, 11-second plate, 12-T-slot, 121-wide slot end, 122-narrow slot end, 123-T-slot bottom, 124-narrow slot end notch, 13-positioning hole, 14-positioning pin, 141-body, 1411-easy-break slot, 142-positioning pin spring mounting hole, 15-positioning pin spring, 16-connecting screw I, 17-positioning pin mounting hole, 18-plug groove I, 19-first connecting screw threaded hole, 20-first counter bore, 21-second T-shaped groove plug connector, 211-second plug part, 2111-second tensioning head, 22-second connecting plate, 221-second connecting screw mounting hole, 23-positioning column, 24-second plug groove, 25-second counter bore, 26-second connecting screw threaded hole and 27-second connecting screw.

Detailed Description

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

Referring to figures 1 to 10 together, there is provided a piece of furniture comprising two parallel first panels with a second panel disposed vertically between the two first panels, preferably three, parallel second panels. The second board has two connection terminal surfaces that set up relatively, is provided with the stealthy connection structure of telescopic furniture between the face of at least one connection terminal surface and first board.

As shown together with fig. 1, 3, 4, 6, 7, 8, 9, 10, 11 and 12, the invisible connecting structure for the telescopic furniture is used for vertically connecting a first plate and a second plate, at least two T-shaped grooves 12 which are longitudinally arranged and closed at two ends are formed in the plate surface of the first plate, and each T-shaped groove 12 is provided with a narrow groove end 122 and a wide groove end 121.

The invisible connecting structure of the telescopic furniture further comprises a T-shaped groove plug connector I3, an anti-falling part 6, an elastic part and a connecting plate I4. The T-shaped groove plug connector I3 comprises a first plug-in part 31, the cross section of the first plug-in part 31 is matched with the width of a narrow groove end groove opening 124 of a narrow groove end 122 of the T-shaped groove 12, one end of the first plug-in part 31 is provided with a first tensioning head 311, the first tensioning head 311 is matched with a T-shaped groove bottom 123 of the T-shaped groove 12, and the other end of the first tensioning head 311 is detachably connected with the anti-falling part 6. The first connecting plate 4 is movably sleeved on the first inserting portion 31 and fixedly connected to a first mounting end face of the second plate 10, the first mounting end face is located at the bottom of an inserting groove of the first inserting groove 18, a first counter bore 20 is formed in the first mounting end face, and the anti-falling part 6 is arranged in the first counter bore 20 and extrudes the elastic part at the bottom of the first counter bore 20. The separation preventing member 6 prevents the connection plate-4 from being separated from the first engagement portion 31 of the T-slot connector-3. Two first connecting screw mounting holes 41 are symmetrically formed in the first connecting plate 4, two first connecting screw threaded holes 19 are formed in the first mounting end face, and the two first connecting screw threaded holes 19 are located on two sides of the first counter bore 20 respectively. And two connecting screws 16 are respectively inserted through the connecting screw mounting holes 41 and into the connecting screw threaded holes 19 of the mounting end face I on the second plate 10, so that the connecting plate I4 is fixedly connected to the mounting end face I. The elastic member is preferably a compression spring 1.

The cross section of the first insertion part 31 is preferably a non-circular cross section, the connecting plate one 4 is axially slidably sleeved on the outer peripheral surface of the first insertion part 31, and the cross section of the first tensioning head 311 is preferably a non-circular cross section.

The cross-section of the first plug part 31 is preferably an oblate cross-section and the cross-section of the tensioning head part 311 is preferably an oblate cross-section.

The T-shaped groove plug connector-in connector 3 and the anti-falling part 6 are preferably in threaded connection. The release element 6 is preferably a cylindrical release element. Be provided with nut 5 in anticreep piece 6's inside, nut 5 can swing joint in anticreep piece 6's inside, and when nut 5 swing joint was in anticreep piece 6's inside, was close to the one end of grafting portion 31, was provided with on anticreep piece 6 and carries out spacing portion 61 of axial to nut 5. Nut 5 also can be fixed the setting in the inside of anticreep piece 6, and anticreep piece 6 can adopt the anticreep piece of plastics material, and nut 5 and anticreep piece 6 can adopt the fixed mode together of vulcanization. A bolt 2 is arranged in the T-shaped groove plug connector I3, and the anti-falling part 6 and the T-shaped groove plug connector I3 are connected together through a nut 5 and the bolt 2.

As shown in fig. 1, 3, 5, 13, and 14, the furniture further includes a concealed positioning structure. The second plate 10 has two opposite connecting end surfaces, and a retractable furniture invisible connecting structure is arranged between one connecting end surface and the plate surface of the first plate 7. The invisible positioning structure comprises a positioning hole 13 formed in the plate surface of the first plate 7 and a positioning pin mounting hole 17 formed in the connecting end surface of the second plate 10. The positioning pin 14 is elastically fitted in the positioning pin fitting hole 17, and when the head of the positioning pin 14 is inserted into the positioning hole 13, the second plate 10 and the first plate 7 are positioned, and the head of the positioning pin 14 is provided with a breakable structure which breaks when the radial force applied thereto exceeds a predetermined limit. The frangible structures preferably employ frangible troughs 1411.

A positioning pin spring mounting hole 142 is axially formed in the body 141 of the positioning pin 14, and a positioning pin spring 15 is disposed in the positioning pin spring mounting hole 142 to ensure that the positioning pin 14 is elastically mounted in the positioning pin mounting hole 17.

The body 141 of the dowel pin 14 is preferably a cylindrical body. The frangible groove 1411 provided on the cylindrical body 141 is preferably an annular groove.

As shown in fig. 1, 3, 15, 16, and 17, a furniture invisible connecting structure for connecting the first board and the second board is also provided on the other side wall of the second board 10. The surface of the first plate 9 of the invisible furniture connecting structure is provided with a T-shaped groove 12 with a narrow groove end and a wide groove end, two ends of which are closed, and the connecting structure further comprises a T-shaped groove plug connector II 21 and a connecting plate II 22.

The second T-shaped groove plug connector 21 comprises a second plug-in part 211, the cross section of the second plug-in part 211 is matched with the width of a narrow groove end groove opening 124 of the narrow groove end of the T-shaped groove 12, a second tensioning head part 2111 is arranged at one end of the second plug-in part 211, and the second tensioning head part 2111 is matched with the bottom 123 of the T-shaped groove. The second connecting plate 22 is fixedly sleeved on the second inserting-connecting part 211 and is fixedly connected to the second mounting end face of the second plate 10. The second connecting plate 22 is preferably provided with two second connecting screw mounting holes 221, and the two second connecting screw mounting holes 221 are respectively located at two sides of the second inserting-connecting part 211. And two connecting screws 27 respectively penetrate through the second connecting screw mounting holes 221 to fixedly connect the second connecting plate 22 to the second mounting end face.

The connecting structure further comprises a positioning column 23, the positioning column 23 is fixedly arranged on the outer side of the second connecting plate 22, a second counter bore 25 is formed in the second mounting end face, and the positioning column 23 is arranged in the second counter bore 25.

The cross section of the second insertion portion 211 is preferably a non-circular cross section, and the cross section of the second tensioning head 2111 is preferably a non-circular cross section. The cross section of the second plug part 211 is preferably an oblate cross section, and the cross section of the second tensioning head 2111 is preferably an oblate cross section. The positioning posts 23 are preferably cylindrical positioning posts.

The T-shaped groove plug connector II 21, the positioning column 23 and the connecting plate II 22 are preferably integrally formed by injection molding.

The assembly process of the furniture of the utility model is described in detail as follows:

as shown in the drawing, a first plate 7 and a first plate 9 of the furniture are arranged in parallel, the first plate 7 is positioned on the left side, the first plate 9 is positioned on the right side, if a second plate 8 and a second plate 11 positioned on both end portions are assembled in advance, the second plate 8 is positioned on the upper side, and the second plate 11 is positioned on the lower side, then a side wall of a second plate 10 positioned in the middle position is connected with the first plate 7 by using a telescopic furniture invisible connecting structure. When the furniture is assembled, at the position where the second plate 10 is connected, at least two closed-end T-shaped grooves 12 are formed on the surface of the first plate 7, and each T-shaped groove 12 has a wide groove end 121 and a narrow groove end 122. A positioning hole 13 is further formed between the two T-shaped grooves 12, and the T-shaped grooves 12 and the positioning hole 13 are arranged in a linear shape.

At least two closed-end T-shaped grooves 12 are formed in the inner side of the first plate 9, and each T-shaped groove 12 is provided with a wide groove end 121 and a narrow groove end 122.

A first inserting groove 18 with a closed end is formed in one side wall of the second plate 10 at a position corresponding to the T-shaped groove 12 of the first plate 7, a first counter bore 20 is formed in the bottom of the first inserting groove 18, and first connecting screw threaded holes 19 are formed in two sides of the first counter bore 20 respectively.

And a second inserting groove 24 with a closed end is formed in the other side wall of the second plate 10 at a position corresponding to the T-shaped groove 12 of the first plate 9, a second counter bore 25 is formed in the bottom of the second inserting groove 24, and two connecting screw threaded holes 26 are formed in two sides of the second counter bore 25 respectively.

During assembly, the first connecting plate 4 of the invisible telescopic furniture connecting structure is placed on the first mounting end face of the bottom of the first inserting groove 18 of the second plate 10, the first two connecting screws 16 are respectively mounted on the first connecting plate 4 through the first connecting screw mounting holes 41 on the first connecting plate 4, then the first two connecting screws 16 are respectively mounted in the first two connecting screw threaded holes 19 in the bottom of the first inserting groove 18, at the moment, the first connecting plate 4 is fixedly connected into the first inserting groove 18, and meanwhile, the anti-falling part 6 and the compression spring 1 are located in the first counter bore 20.

At the same time, the body 141 of the dowel 14 and the dowel spring 15 are inserted into the dowel mounting hole 17 on the second plate 10.

The other side wall of the second plate 10 is provided with the invisible furniture connecting structure. The second connecting plate 22 of the invisible furniture connecting structure is placed on the second mounting end face of the bottom of the inserting groove of the second inserting groove 24 on the second plate 10, the two second connecting screws 27 are respectively mounted on the second connecting plate 22 through the second connecting screw mounting holes 221 on the second connecting plate 22, then the two second connecting screws 27 are respectively mounted in the two second connecting screw threaded holes 26 in the bottom of the inserting groove of the second inserting groove 24, at the moment, the second connecting plate 22 is fixedly connected into the second inserting groove 24, and meanwhile, the positioning column 23 is located in the second counter bore 25.

Then, the first inserting portion 31 of the T-slot connector 3 of the retractable furniture invisible connection structure of one side wall of the second board 10 is inserted into the wide slot end 121 of the corresponding T-slot 12, and simultaneously, the second inserting portion 211 of the T-slot connector 21 of the furniture invisible connection structure of the other side wall of the second board 10 is inserted into the wide slot end 121 of the corresponding T-slot 12. And simultaneously, the first inserting part 31 of the T-shaped groove inserting piece 3 of the invisible connecting structure of the telescopic furniture and the second inserting part 211 of the T-shaped groove inserting piece 21 of the invisible connecting structure of the furniture are pushed into the narrow groove end 122 of the corresponding T-shaped groove 12, and meanwhile, the head part of the body 141 of the positioning pin 14 is also inserted into the positioning hole 13 on the first plate 7.

Due to the existence of the compression spring 1 of the invisible connecting structure of the telescopic furniture and the positioning pin spring 15 in the invisible positioning structure, when the second plate 10 located at the middle position is installed, the compression spring 1 is compressed, the positioning pin spring 15 is compressed, the T-shaped slot plug connector 3 and the anti-falling part 6 move axially together, at the moment, the T-shaped slot plug connector 3 is close to the side wall of the second plate 10, an installation space is reserved for the second plate 10, when the T-shaped slot plug connector 3 is inserted into the wide slot end 121 of the corresponding T-shaped slot 12 on the first plate 7, the compression spring 1 resets, the first tensioning head 311 of the T-shaped slot plug connector 3 is pushed to the T-shaped slot bottom 124 of the T-shaped slot 12, and then the second plate 10 is pushed into the narrow slot end 122 of the T-shaped slot 12. In this installation process, the installation of the sheet material in the intermediate position is facilitated more by the presence of the compression spring 1.

In the process of installation or dismantlement, when needs dismantle panel, according to top-down's order, dismantle the second board in order. When the tensioning head portion one 311 of the T-slot connector I3 and the tensioning head portion two 2111 of the T-slot connector II 21 which connect each second plate with the first plate are respectively pulled into the wide slot end 121 from the narrow slot end 122 of the corresponding T-slot 12, when the second plate 10 which is located at the middle position is disassembled, due to the existence of the breakable slot 1411 on the body 141 of the positioning pin 14, the body 141 of the positioning pin 14 is broken at the breakable slot 1411, so that the second plate 10 which is located at the middle position is smoothly moved out.

The technical features (such as the first plate, the second plate, the first T-slot connector, the second T-slot connector, the first plugging portion, the second plugging portion, the first tensioning head, the second tensioning head, the first connecting screw mounting hole, the second connecting screw mounting hole, the first connecting screw, the second connecting screw, the first counter bore, the second counter bore, etc.) referred to in this specification are only for distinguishing the technical features, and do not represent the positional relationship, the mounting sequence, the working sequence, etc. among the technical features.

In the description of the present specification, it is to be understood that the terms "radial", "inner", "outer", "side wall", "groove bottom", "longitudinal", "above", "below", "intermediate position", and the like, are used in the orientation and positional relationship shown in the drawings, and are used only for convenience in describing the present invention and for simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that the described embodiments are only some of the embodiments of the present invention, rather than all embodiments, which are given by way of illustration only, and the scope of the present invention is defined by the appended claims. Without any inventive step, those skilled in the art can make various changes or modifications to the embodiments without departing from the spirit and scope of the present invention.

Claims

1. The invisible positioning structure of the furniture is used for vertically positioning two plates, and the two plates comprise a first plate and a second plate; it is characterized in that the invisible positioning structure further comprises:

the positioning hole is formed in the plate surface of the first plate;

the positioning pin mounting hole is formed in the connecting end face of the second plate;

the positioning pin is elastically arranged in the positioning pin mounting hole, and when the head of the positioning pin extends into the positioning hole, the second plate and the first plate are positioned;

the head of the positioning pin is provided with a breakable structure which is broken when the radial force exceeds a predetermined limit.

2. The invisible positioning structure for furniture according to claim 1, wherein the breakable structure is a breakable groove.

3. The invisible positioning structure for furniture according to claim 2, wherein the breakable groove is an annular groove.

4. The invisible positioning structure for furniture according to claim 1, wherein the body of the positioning pin is provided with an axial spring mounting hole.

5. The invisible positioning structure for furniture according to claim 4, wherein a spring is installed in the spring installation hole.

6. Furniture, comprising:

the invisible furniture positioning structure comprises two first plates which are arranged in parallel, wherein a second plate is vertically arranged between the two first plates, the second plate is provided with two opposite connecting end surfaces, and the invisible furniture positioning structure is characterized in that the invisible furniture positioning structure as claimed in any one of claims 1 to 5 is arranged between one connecting end surface and the plate surface of the first plate.