CN215589418U

CN215589418U - Invisible connecting structure and slotting cutter for connecting plates thereof

Info

Publication number: CN215589418U
Application number: CN202122011311.6U
Authority: CN
Inventors: 刘景强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-21
Anticipated expiration: 2031-08-25

Abstract

The utility model provides a hidden connecting structure and a slotting cutter for connecting plates thereof, which relate to the technical field of furniture connecting pieces and aim to solve the technical problems of overhigh labor cost and resource waste caused by the adoption of the hidden connecting structure, complex plate processing and assembling process, low assembling efficiency and higher technical requirements on workers; the second connecting part comprises an embedded part, a second mounting groove communicated with the first mounting groove is formed in the embedded part, an embedded hole for accommodating the embedded part is formed in the second plate, and the first connecting part extends into the second mounting groove through the first mounting groove and is used for enabling the bottom of the embedded part to be opened in the embedded hole under the action of external force.

Description

Invisible connecting structure and slotting cutter for connecting plates thereof

Technical Field

The utility model relates to the technical field of furniture connecting pieces, in particular to an invisible connecting structure and a slotting cutter for connecting plates thereof.

Background

Most of current furniture such as a wardrobe, a cabinet and the like are formed by connecting wood boards or synthetic boards through nails and glue, the nails can be exposed out of the surfaces of the boards, glue can leave pasting traces and have the problem of environmental protection, and the boards are difficult to be tightly sewn, so that the connection quality and the appearance are seriously influenced.

The invisible connecting structure solves the problems that the appearance of the board is affected by exposed holes and bonding traces, but the invisible connecting structure generally adopts the push-pull locking principle after direct insertion, the processing and assembling process of the board is complex, the assembling efficiency is low, the technical requirements on workers are higher, the sequence and the structure of the board are very clear for installers, the installation sequence is understood, otherwise, the installation is difficult or the repeated disassembly is needed, and the labor cost is too high and the resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an invisible connecting structure and a slotting cutter for connecting plates by using the same, and aims to solve the technical problems of high labor cost and resource waste caused by the adoption of the invisible connecting structure, complex plate processing and assembling process, low assembling efficiency and higher technical requirement on workers in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

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

the utility model provides an invisible connecting structure, which comprises a body and a connecting piece, wherein the body comprises a first connecting part and a second connecting part connected with the first connecting part, the first connecting part is used for connecting a first plate, the second connecting part is used for connecting a second plate, and the invisible connecting structure comprises:

the first connecting part comprises a first mounting groove, a dovetail groove and a yielding groove are arranged on the first plate, and the first connecting part slides into the dovetail groove from the yielding groove and is clamped with the dovetail groove;

the second connecting part is arranged to comprise an embedded part, a second mounting groove communicated with the first mounting groove is arranged in the embedded part, an embedded hole for accommodating the embedded part is arranged on the second plate,

the connecting piece is connected to the body and used for enabling the bottom of the embedded part to be opened in the embedded hole under the action of external force.

Preferably, the built-in fitting includes pre-buried connector and pre-buried main part, pre-buried connector fixed connection in the bottom of second connecting portion, wherein:

a slotted hole communicated with the first mounting groove is formed in the embedded connecting body, and the size of the slotted hole is the same as that of the first mounting groove;

a tapered hole is formed in the embedded main body, and the diameter of the top of the tapered hole is the same as the width of the bottom of the slotted hole;

the outer side of the embedded main body is provided with a plurality of petal structures, and a gap exists between every two petal structures.

Preferably, the first connecting portion is further provided with an anti-slip groove, and an anti-slip piece is arranged in the anti-slip groove and used for fastening the first connecting portion and the first plate.

Preferably, the number of the first mounting grooves is at least one;

if the number of the first mounting grooves is one, the first mounting groove is positioned at the center of the first connecting part, and the anti-skid groove is arranged on one side of the first mounting groove;

if the first mounting grooves are arranged in a plurality, the anti-skid grooves are located at the center of the first connecting portion, and the first mounting grooves are uniformly distributed along the peripheral sides of the anti-skid grooves.

Preferably, the connecting piece adopts a rectangular expansion rod, the rectangular expansion rod extends into the second mounting groove from the first mounting groove, and the bottom of the embedded part is opened in the embedded hole under the action of external force.

Preferably, the connecting piece adopts a wedging piece, the wedging piece is arranged at the bottom of the embedded piece, wherein:

the wedging piece is provided with a plurality of grooves for accommodating the petal structures, and a first anti-skid structure is arranged in each groove;

and the petal structures are provided with second anti-skid structures matched with the first anti-skid structures.

Preferably, the wedging member is a cross wedge.

A slotting cutter is used for slotting a first plate connected with the invisible connecting structure, and is characterized by comprising a cutter handle and a cutter head connected to the end part of the cutter handle, wherein:

the tool bit is arranged to comprise a first slotting structure and a second slotting structure, the first slotting structure is located at the end of the tool bit, and the slotting size of the second slotting structure is smaller than that of the first slotting structure.

Preferably, the first slotting structure comprises an arc-shaped cutter, the second slotting structure comprises an inclined edge, and the joint of the inclined edge and the first slotting structure is a round angle structure.

Preferably, the first and second slotted structures are arranged in parallel, and the first and second slotted structures are arranged in parallel;

the connecting part of the inclined blade and the chip groove is a fillet.

The invisible connecting structure comprises a body, wherein the body comprises a first connecting part and a second connecting part connected with the first connecting part, the first connecting part is used for connecting a first plate, the second connecting part is used for connecting a second plate, and the first plate is provided with a dovetail groove and a abdicating groove, so that the first connecting part slides into the dovetail groove from the abdicating groove and is clamped with the dovetail groove, and the invisible connecting part and the first plate can be quickly installed and arranged by pushing and pulling. First connecting portion include first mounting groove, and the second connecting portion set up to including the built-in fitting, are provided with the second mounting groove that communicates mutually with first mounting groove in the built-in fitting, are provided with the embedded hole of holding built-in fitting on the second panel, and during the use, the connecting piece is connected and is made the bottom of built-in fitting open in the embedded hole under the effect of external force on the body to make more firm of connection.

When in installation, different connecting pieces are selected, the installation sequence can be selected, the problem that the installation sequence and the structure of the plates are required to be clear by the existing invisible connection installation mode, otherwise, the plates are difficult to install is solved, by adopting the invisible connection structure, the first plate or the second plate can be installed by randomly selecting the installation sequence by adopting the rectangular expansion rod or the wedging piece, if the invisible connection structure is connected with the first plate firstly, the wedging piece is required to be selected as the connecting piece, if the invisible connection structure is connected with the second plate firstly, the rectangular expansion rod is required to be selected as the connecting piece, the expansion direction of the embedded piece can be appointed by adjusting the size and the angle of the rectangular expansion rod and the wedging piece, the installation can be rapidly finished no matter which plate is installed firstly, the invisible connection structure is connected with the inner parts of the first plate and the second plate, the problems of nail exposure and glue exposure in the existing nailing and bonding connection modes are avoided, and the joints between the plates are tightly screwed, the novel LED lamp is attractive and more environment-friendly, the installation mode is simple, a large amount of manpower can be saved, the workload of installation workers is reduced, and the assembly efficiency is higher.

The grooving cutter is connected with the plate through the invisible connecting structure, grooving is carried out on the first plate, the whole grooving action is completed through the cutter once through the designed grooving cutter path, and the problem that the production efficiency is low due to the fact that two cutters or one cutter are adopted for multiple processing in the prior art is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a body according to an embodiment of the invisible connecting structure of the present invention;

FIG. 2 is a schematic perspective view of the structure of FIG. 1 in use;

FIG. 3 is a perspective schematic view of a first sheet material;

FIG. 4 is a perspective schematic view of a stealth attachment structure;

FIG. 5 is an internal schematic view of a stealth attachment structure;

FIG. 6 is a perspective schematic view of a second sheet material;

FIG. 7 is a cross-sectional structural schematic view of an embedment;

FIG. 8 is a schematic view of the embedment shown after it is expanded.

FIG. 9 is a schematic structural view of a second invisible connecting structure according to an embodiment of the present invention;

FIG. 10 is a schematic view of the structure of FIG. 9 after installation;

FIG. 11 is a schematic structural view of a third invisible connecting structure according to the present invention;

FIG. 12 is a schematic structural view of the wedge;

FIG. 13 is a schematic structural view of a fourth invisible connecting structure according to an embodiment of the present invention;

FIG. 14 is a schematic view of the assembled structure of FIG. 13;

FIG. 15 is a schematic structural view of the grooving tool of the present invention;

FIG. 16 is a schematic structural view of the first slotted structure of FIG. 15;

FIG. 17 is a front cross-sectional structural view of a grooving tool path;

fig. 18 is a left sectional structural view of the slotting cutter way.

In the figure: 1. a first connection portion; 2. a second connecting portion; 3. a rectangular expansion rod; 4. an anti-slip member; 5. a wedging member; 11. a first mounting groove; 12. an anti-slip groove; 21. embedding parts; 51. a groove; 511. a first anti-skid structure; 61. a knife handle; 62. a cutter head; 100. a first sheet material; 101. a dovetail groove; 102. a yielding groove; 200. a second sheet material; 201. pre-burying a hole; 211. pre-burying a connecting body; 212. pre-burying a main body; 213. a second mounting groove; 300. a body; 621. a first slotted structure; 622. a second slotted structure; 623. a chip groove; 2111. a slot; 2121. a tapered hole; 2122. a flap structure; 2123. and a second anti-slip structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The first embodiment is as follows:

the embodiment provides a stealth connection structure, which comprises a body 300 and a connecting piece. Fig. 1 is a schematic structural diagram of the body in the embodiment, and as shown in fig. 1, the body 300 includes a first connecting portion 1 and a second connecting portion 2 connected to the first connecting portion 1, the first connecting portion 1 is used for connecting the first plate 100, and the second connecting portion 2 is used for connecting the second plate 200. Fig. 2 is a schematic view of a perspective structure of the present embodiment, and as shown in fig. 2, the invisible connecting structure is adopted to connect the first board 100 and the second board 200, so as to avoid the problems of nail exposure and glue exposure in the existing nailing and adhesive connecting manner, so that the joints between the boards are tightly seamed, and the structure is more environment-friendly while being attractive.

Fig. 3 is a schematic perspective view of the first plate material in this embodiment, and as shown in fig. 3, a dovetail groove 101 and an abdicating groove 102 are provided on the first plate material 100, and the first connecting portion 1 slides into the dovetail groove 101 from the abdicating groove 102 and is clamped with the dovetail groove 101.

Fig. 4 is a perspective view schematically illustrating the invisible connecting structure of the present embodiment, fig. 5 is an internal structure schematically illustrating the invisible connecting structure, and as shown in fig. 4 and fig. 5, the first connecting portion 1 is provided to include a first mounting groove 11, the second connecting portion 2 is provided to include an embedded part 21, and a second mounting groove 213 communicating with the first mounting groove 11 is provided in the embedded part 21.

Fig. 6 is a schematic perspective view of a second plate in this embodiment, and as shown in fig. 6, the second plate 200 is provided with pre-buried holes 201 for accommodating the pre-buried parts 21, and the number of the pre-buried holes 201 is the same as that of the pre-buried parts 21.

When the connecting piece is used, the connecting piece is connected to the body 300, so that the bottom of the embedded part 21 is opened in the embedded hole 201 under the action of external force, and the connection is firmer. In this embodiment, the first installation groove 11 is a rectangular or square groove, and in this embodiment, the connecting member adopts the rectangular expansion rod 3. The rectangular expansion rod 3 extends into the second mounting groove 213 from the first mounting groove 11, and the bottom of the embedded part 21 is opened in the embedded hole 201 under the action of external force.

Traditional expansion link adopts cylindrical or toper more, through the expansion nail that adopts the rectangle structure in this embodiment, changes stress surface size and direction of force, and the size of rectangle structure can set up according to actual production and use needs to appointed built-in fitting 21's inflation direction makes the stability of connecting better.

As an optional implementation manner, fig. 7 is a schematic cross-sectional structure view of the embedded part in this embodiment, as shown in fig. 7, fig. 8 is a schematic structural view of the embedded part in fig. 7 after being opened, as shown in fig. 7 and 8, the embedded part 21 includes an embedded connector 211 and an embedded main body 212, and the embedded connector 211 is fixedly connected to the bottom of the second connection portion 2.

A slot 2111 communicated with the first mounting groove 11 is arranged in the embedded connecting body 211, and the size of the slot 2111 is the same as that of the first mounting groove 11; a tapered hole 2121 is formed in the embedded main body 212, and the diameter of the top of the tapered hole 2121 is the same as the width of the bottom of the slot 2111; the slot 2111 and the tapered hole 2121 form a second mounting groove 213. The outer side of the pre-buried body 212 is configured to include a plurality of lobe structures 2122, and a gap exists between every two lobe structures 2122.

When the embedded part is used, the rectangular expansion rod 3 sequentially enters the slot 2111 and the tapered hole 2121 from the first mounting groove 11, and due to the extrusion effect of the rectangular expansion rod 3 on the tapered hole 2121, the angles between the multiple petal structures 2122 on the embedded main body 212 are changed, the expansion force of the embedded main body 212 is increased, so that the embedded main body 212 is opened in the embedded hole 201, and the friction force between the embedded part 21 and the embedded hole 201 is increased.

As an alternative embodiment, the first connecting portion 1 is further provided with an anti-slip groove 12, and the anti-slip member 4 is disposed in the anti-slip groove 12 for fastening the first connecting portion 1 and the first plate 100.

Specifically, in this embodiment, the anti-slip member 4 is made of a material with certain elasticity, such as rubber nylon, or other high polymer material, and is used for increasing the friction force between the first connecting portion 1 and the bottom of the dovetail groove 101 of the first plate 100. Set up anti-skidding piece 4 and be located anti-skidding groove 12, during the use, anti-skidding piece 4 hides between first connecting portion 1 and first panel 100, when making the inseparabler of connection, improves the aesthetic property of whole appearance to anti-skidding ability is strong, and overall structure's stability is good, satisfies the user demand.

As an alternative embodiment, the first mounting groove 11 is provided as at least one. First mounting groove 11 adopts the rectangular channel to be used for cooperating with rectangle expansion link 3, in this embodiment, sets up first mounting groove 11 and be two, and antiskid groove 12 is located first connecting portion, and two first mounting grooves 11 set up respectively symmetrically in the both sides of antiskid groove 12.

In actual production and use, the first mounting groove 11 can be provided with more, for example, three, four or more, when the first mounting groove 11 is provided with a plurality of first mounting grooves, it needs to be ensured that the anti-slip groove 12 is located at the center of the first connecting portion 1, and the plurality of first mounting grooves 11 are uniformly distributed along the peripheral side of the anti-slip groove 12, so that the force dispersion is relatively balanced, and the connection is ensured to be stable.

The using method of the embodiment comprises the following steps: firstly, the invisible connecting structure is installed on the second plate 200, specifically, the embedded parts 21 are placed into the embedded holes 201, then the rectangular expansion rods 3 are installed in the first installation grooves 11, the ends of the rectangular expansion rods 3 are knocked by a hammer, the rectangular expansion rods 3 enter the second installation grooves, the embedded parts 21 are opened, and the installation of the invisible connecting structure and the second plate 200 is completed. The whole structure is aligned with the receding groove 102 on the first plate 100, and the first connecting part 1 is slid into the dovetail groove 101 on the first plate 100 by pushing and pulling, so that the installation is completed.

If the invisible connecting structure needs to be taken out, the first connecting part 1 slides out of the dovetail groove 101 by pushing and pulling, and is separated from the abdicating groove 102, and then the rectangular expansion rod 3 is pried out from the top end of the rectangular expansion rod 3 by a straight screwdriver.

Example two:

fig. 9 is a schematic structural diagram of the present embodiment, fig. 10 is a schematic structural diagram of the completed installation of fig. 9, and as shown in fig. 9 and fig. 10, unlike the first embodiment, in the present embodiment, one first installation groove 11 is provided, the first installation groove 11 is located at the center of the first connection portion 1, and the anti-slip groove 12 is provided at one side of the first installation groove 11.

The method of using the present embodiment is the same as the first embodiment.

Example three:

fig. 11 is a schematic structural diagram of this embodiment, and as shown in fig. 11, different from the first embodiment and the second embodiment, in this embodiment, the connecting member adopts a wedge 5, the wedge 5 is disposed at the bottom of the embedded part 21, and the wedge 5 opens the bottom of the embedded part 21 in the embedded hole 201 by an external force.

Fig. 12 is a schematic structural diagram of the wedge of the present embodiment, and as shown in fig. 12, the wedge 5 is provided with a plurality of grooves 51 for accommodating the petal structures 2122, and the grooves 51 are provided with the first anti-slip structures 511; the flap structures 2122 are each provided with a second anti-slip structure 2123 that cooperates with the first anti-slip structure 511 to make the connection more secure.

In this embodiment, the wedging piece 5 is preferably a cross wedge, and in the actual production and use process, the wedging piece 5 can be set to other structures as required, and the expansion direction of the embedded piece can be specified by changing the size and the internal included angle of the wedging piece 5, so that the connection stability is better.

In this embodiment, the number of the first mounting grooves 11 is two, the anti-slip groove 12 is located at the first connecting portion, and the two first mounting grooves 11 are symmetrically disposed on two sides of the anti-slip groove 12 respectively.

The using method of the embodiment comprises the following steps: firstly, the invisible connecting structure is installed on a first plate 100, specifically, a first connecting part 1 is aligned with a relief groove 102 on the first plate 100, the first connecting part 1 slides into a dovetail groove 101 on the first plate 100 by pushing and pulling, then a cross wedge is placed on an embedded part 21 and aligned with a pre-embedded hole 201 on a second plate 200, and the installation is completed by knocking in through a rubber hammer.

When the invisible connecting structure is disassembled, the first connecting part 1 slides out of the dovetail groove 101 by pushing and pulling, and is separated from the abdicating groove 102, and the invisible connecting structure is vertically pulled to complete the disassembly.

Example four:

fig. 13 is a schematic structural diagram of the present embodiment, fig. 14 is a schematic structural diagram of the completed installation of fig. 13, and as shown in fig. 13 and fig. 14, unlike the third embodiment, in the present embodiment, one first installation groove 11 is provided, the first installation groove 11 is located at the center of the first connection portion 1, and the anti-slip groove 12 is provided at one side of the first installation groove 11.

The method of use of this example is the same as that of the example.

This stealthy connection structure has solved current stealthy connection mounting means and must be clear to panel installation order and structure, otherwise the problem of being difficult to the installation, adopt this stealthy connection structure, through adopting rectangle expansion link 3 or wedge piece 5, can choose the installation order to install first panel 100 or second panel 200 wantonly, if be connected with first panel 100 earlier then need select wedge piece 5 as the connecting piece, if be connected with second panel 200 earlier, then need select rectangle expansion link as the connecting piece, through adjusting rectangle expansion link, the inflation direction of the size and the angle of wedge piece can appoint the built-in fitting, no matter install earlier which panel, can accomplish the installation fast, and the mounting means is simple, can save a large amount of manpowers and alleviate installer's work burden, make assembly efficiency higher.

Example five:

the embodiment provides a grooving tool, which is used for grooving the first plate 100 connected by the invisible connecting structure, and fig. 15 is a schematic structural view of the embodiment, and as shown in fig. 15, the grooving tool comprises a tool shank 61 and a tool bit 62 connected to an end of the tool shank 61.

Wherein the cutting head 62 is configured to include a first slot structure 621 and a second slot structure 622, fig. 16 is a structural schematic diagram of the first slot structure in the present embodiment, as shown in fig. 16, the first slot structure 621 is located at an end portion of the cutting head 62, and the slot size of the second slot structure 622 is smaller than that of the first slot structure 621.

Specifically, the first slotting structure 621 includes a circular arc cutter, and the second slotting structure 622 includes an inclined edge, and a joint of the inclined edge and the first slotting structure 621 is set to be a round structure.

As an optional embodiment, a flute 623 is further included, and the flute 623 extends from the end of the first slotted structure 621 to above the second slotted structure 622; the joint of the inclined blade and the chip removal groove 623 is a round angle, so that the problem that the existing groove cutter is easy to break in chip removal is solved.

Fig. 17 is a front sectional structural view of the grooving tool path of the present embodiment, fig. 18 is a left sectional structural view of the grooving tool path of the present embodiment, and as shown in fig. 17 and fig. 18, the grooving process of the first plate by the grooving tool is as follows: the whole action is completed once by the slotting cutter in the prior art, and the problem of low production efficiency caused by the fact that two cutters or one cutter is adopted for multiple processing in the prior art is avoided.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides an invisible connection structure, its characterized in that includes body and connecting piece, the body include first connecting portion and with the second connecting portion that first connecting portion are connected, first connecting portion are used for connecting first panel, the second connecting portion are used for connecting the second panel, wherein:

2. The invisible connecting structure according to claim 1, wherein: the built-in fitting includes pre-buried connector and pre-buried main part, pre-buried connector fixed connection in the bottom of second connecting portion, wherein:

3. The invisible connecting structure according to claim 2, wherein: the first connecting portion is further provided with an anti-skidding groove, and an anti-skidding piece is arranged in the anti-skidding groove and used for fastening the first connecting portion and the first plate.

4. The invisible connecting structure according to claim 3, wherein: the number of the first mounting grooves is at least one;

5. The invisible connecting structure according to any one of claims 1 to 4, wherein: the connecting piece adopts a rectangular expansion rod, the rectangular expansion rod extends into the second mounting groove from the first mounting groove, and the bottom of the embedded part is opened in the embedded hole under the action of external force.

6. The invisible connecting structure according to any one of claims 2 to 4, wherein: the connecting piece adopts wedging piece, wedging piece set up in the bottom of built-in fitting, wherein:

7. The invisible connecting structure according to claim 6, wherein: the wedging piece is a cross wedge.

8. A grooving tool for grooving a first sheet material to which the invisible joining structure of any one of claims 1 to 7 is attached, comprising a shank and a tool bit attached to an end of the shank, wherein:

9. The grooving tool of claim 8, wherein: the first grooving structure comprises an arc-shaped cutter, the second grooving structure comprises an inclined blade, and the joint of the inclined blade and the first grooving structure is of a fillet structure.

10. The grooving tool of claim 9, further comprising a junk slot extending from an end of the first grooving structure to above the second grooving structure;

the connecting part of the inclined blade and the chip groove is a fillet.