CN215890701U

CN215890701U - A hidden connection structure for panel

Info

Publication number: CN215890701U
Application number: CN202121142696.3U
Authority: CN
Inventors: 丁泽成; 王文广; 周东珊; 李冰清; 余广
Original assignee: Zhejiang Yasha Decoration Co Ltd
Current assignee: Zhejiang Yasha Decoration Co Ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-02-22
Anticipated expiration: 2031-05-26

Abstract

The utility model provides a hidden connection structure for panel, including the first connecting plate of seting up the mounting groove and seted up with the second connecting plate of the grafting piece of mounting groove adaptation, the mounting groove includes the cell body, set up in filling groove in the cell body, the grafting piece include the body, set up in on the body and with filling groove forms the spread groove that is used for filling the cavity of foamer. The utility model realizes the hardware-free connecting structure by arranging the first connecting plate provided with the mounting groove, the second connecting plate provided with the inserting block and the cavity formed by the filling groove and the connecting groove and filled with the foaming agent, and has the advantages of high mounting efficiency, convenience in assembly, lower cost and neat and attractive appearance.

Description

A hidden connection structure for panel

Technical Field

The utility model belongs to the technical field of assembled plates, and particularly relates to a hidden connecting structure for plates.

Background

With the change of times, the development of processes and the change of human requirements, the processing mode of woodworking batch and standardization has long become the most common mode of human household products, wherein the plate-type furniture also becomes the most basic and mature process form in the furniture.

In production and life, two plates are often connected. Currently, the common connection methods are welding, riveting and threaded fastener connection. Adopt welding and riveted connected mode, though can make to be connected reliable and stable, nevertheless can lead to two panel to become the connector of undetachable, to some environment that need repeated dismouting, welding and riveted connected mode are not suitable for. Although the connection mode of the threaded fasteners can realize repeated assembly and disassembly of the plates, a special tool needs to be used for rotating for many times to screw or unscrew the threaded fasteners, so that the connection and disassembly of the two plates are time-consuming and labor-consuming, and the quick assembly and disassembly of the two plates cannot be realized.

At present, the vertical connection mode of the batched plate-type furniture mostly adopts hardware connecting pieces, and replaces the mortise and tenon form with low efficiency and high process requirements. The hardware connection mode mainly comprises a corner connector, a two-in-one/three-in-one combined connector and the like. The corner connector is mainly used for connecting the inside and the hidden position of a product, and the corner connector is exposed on the surface of a plate after being assembled, so that the attractiveness of the product is seriously affected; in addition, the combination of the self-tapping screw or the machine wire for installing the angle code and the embedded nut is not durable, can be loosened after being used for a long time, has a short service life and has potential safety hazards.

The application number is CN201921684058.7 and discloses a plate connecting assembly and a plate body, wherein the plate connecting assembly is used for connecting a first plate body and a second plate body and comprises an embedded part with teeth and an external thread fixing part; the first plate body is provided with a sinking groove longitudinally penetrating through the bottom surface of the first plate body close to the end part, and a hole groove transversely penetrating through the side surface of the first plate body close to the sinking groove and penetrating through the side wall of the sinking groove, and the side wall of the second plate body is transversely provided with a through hole in a penetrating manner; the external thread fixing piece penetrates through the through hole and extends to the hole groove, the embedded part is embedded in the sunken groove, a threaded locking hole is transversely formed in the upper portion of the side wall of the embedded part in a penetrating mode, the threaded locking hole and the hole groove are located on the same axis, and the external thread fixing piece is fastened in the hole groove through the threaded locking hole; although the stability and the durability of the plate connecting assembly can be improved and the attractiveness of the outer surface of the plate body can be improved, the scheme has high requirements on the processing and the mounting precision of hardware connection, so that the production and the mounting of the plate can be realized only by a mature and accurate hardware processing process and experienced workers, and the cost is high in all aspects. Therefore, a connector structure capable of replacing high-precision hardware and a simple installation process are needed.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a hidden connection structure for panels, which realizes a connection structure without hardware by providing a first connection plate having an installation groove, a second connection plate having an insertion block, and a cavity filled with a foaming agent and formed by a filling groove and a connection groove, and has the advantages of high installation efficiency, convenient assembly, low cost, and neat and beautiful appearance.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a hidden connection structure for panel, including the first connecting plate of seting up the mounting groove and seted up with the second connecting plate of the grafting piece of mounting groove adaptation, the mounting groove includes the cell body, set up in filling groove in the cell body, the grafting piece include the body, set up in on the body and with filling groove forms the spread groove that is used for filling the cavity of foamer.

Compared with the traditional mortise and tenon structure, the mortise and tenon structure is replaced by the foaming connecting piece formed by the foaming agent, and the mortise and tenon structure has the following advantages: firstly, the processing requirements on the first connecting plate and the second connecting plate are lower, under the traditional mortise and tenon structure, reinforcing workpieces such as a sinking groove, a hole groove, a through hole, an embedded part and an external thread fixing part in a file with the application number of CN201921684058.7 are required to be arranged between the inserting block and the installing groove to reinforce the connection strength between the installing groove and the inserting block, the reinforcing workpieces arranged under the mode have high processing precision requirement and high production cost, have special requirements on the installing process and steps, and are inconvenient to assemble and disassemble, but the utility model adopts the method of injecting a foaming agent between the inserting block and the installing groove and then curing to form a foaming connecting piece, does not need complex production process and installing requirement, and greatly reduces the cost; secondly, the connection mode provided by the utility model hides the connection part of the first connection plate and the second connection plate inside, so that the integral aesthetic property is stronger, and the competitiveness of the product is improved; thirdly, the foaming agent adopted by the utility model only needs to be the existing hard polyurethane foaming agent, and the cost of the polyurethane foaming agent is lower than that of hardware, so that a large amount of cost is saved; fourthly, the connecting structure adopted by the utility model can be recycled, the connecting structure of the first connecting plate and the second connecting plate can be opened only by destroying the foaming connecting piece formed by curing the foaming agent during disassembly and assembly, and the structural installation can be completed by injecting new foaming agent during reinstallation. Therefore, the utility model has the application prospect of fully replacing the traditional hardware connecting piece.

As a further preferable mode of the present invention, the mounting groove further includes a fixing block disposed at the notch of the groove body.

As a further preferred aspect of the present invention, the mounting groove further includes an auxiliary fixing block disposed on the groove body.

As a further preferable aspect of the present invention, the mounting groove further includes a glue overflow groove provided on the groove body.

As a further preferable aspect of the present invention, the mounting groove further includes a protruding block provided on a bottom surface of the groove body.

As a further preferred aspect of the present invention, the insertion block further includes a positioning groove provided on the body and engaged with the protruding block.

As a further preferable aspect of the present invention, an inclined surface portion is formed at a side end of the auxiliary fixed block close to the fixed block, and a vertical surface portion is formed at a side end of the auxiliary fixed block far from the fixed block.

In conclusion, the utility model has the following beneficial effects:

compared with the traditional mortise and tenon structure, the mortise and tenon structure is replaced by the foaming connecting part formed by the foaming agent, the hidden type silk-free connecting method is provided, the connecting place of the plates is hidden inside, the plates are attractive and elegant, and the competitiveness of the product is improved.

Compared with the traditional tenon-and-mortise structure, the tenon-and-mortise structure is replaced by the foaming connecting part formed by solidifying the foaming agent, the hardware connecting piece is replaced by the foaming agent with simpler and more convenient processing technology, the forming structure of the foaming agent can change along with the shape of the internal structures of different connecting pieces, the applicability is strong, the processing precision requirement of the hardware connecting piece is high, and therefore the production cost is greatly reduced.

Compared with the traditional tenon-and-mortise structure, the utility model only needs to fill the foaming agent at the joint and then wait for the foaming agent to be cured and formed, thereby greatly reducing the requirement of the installation process and improving the installation efficiency.

The connecting structure adopted by the utility model can be repeatedly utilized, the connecting structure of the first connecting plate and the second connecting plate can be opened only by destroying the foaming connecting part during disassembly and assembly, and the structural installation can be completed by injecting new foaming agent during reinstallation, so that the portability of the product is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of the location of the installation groove of the present invention.

Fig. 3 is a schematic diagram of the position structure of the insertion block of the present invention.

Fig. 4 is a schematic structural diagram of the foamed connecting piece of the utility model.

Fig. 5 is a schematic structural view of an auxiliary fixing block according to the present invention.

Description of the drawings: first connecting plate 1, mounting groove 101, cell body 101a, filling groove 101b, fixed block 101c, supplementary fixed block 101d, excessive gluey groove 101e, protruding piece 101f, inclined plane portion 101g, vertical face portion 101h, second connecting plate 2, grafting piece 201, body 201a, connecting groove 201b, constant head tank 201c, first fixed part 301, connecting portion 302, second fixed part 303, third fixed part 304.

Detailed Description

Examples

The hidden connection structure for panel that this embodiment provided, as shown in fig. 1, including set up mounting groove 101 first connecting plate 1 and set up with the second connecting plate 2 of the grafting piece 201 of mounting groove 101 adaptation, its characterized in that, mounting groove 101 with be provided with the foaming connecting piece between the grafting piece 201, mounting groove 101 include cell body 101a, set up in cell body 101a and be used for the installation the filling groove 101b of foaming connecting piece, the grafting piece 201 include body 201a, set up in on the body 201a and be used for the mounting connecting groove 201b of foaming connecting piece.

In this embodiment, compared with the traditional mortise and tenon structure, the mortise and tenon structure is replaced by the foamed connecting piece formed by the foaming agent, and the mortise and tenon structure has the following advantages: firstly, the processing requirements for the first connecting plate 1 and the second connecting plate 2 are lower, under the traditional mortise and tenon structure, a reinforcing workpiece such as a sinking groove, a hole groove, a through hole, an embedded part and an external thread fixing part in a file with the application number of CN201921684058.7 is required to be arranged between the inserting block and the installing groove to reinforce the connection strength between the installing groove and the inserting block, the reinforcing workpiece arranged under the mode has high processing precision requirement and high production cost, has special requirements on the installing process and steps, and is inconvenient to disassemble and assemble, and the space for injecting a foaming agent and then curing to form a foaming connecting piece is reserved between the inserting block 201 and the installing groove 101, so that the complex production process and the installing requirement are not required, and the cost is greatly reduced; secondly, the connection mode provided by the utility model hides the connection part of the first connection plate 1 and the second connection plate 2 inside, so that the integral aesthetic property is stronger, and the competitiveness of the product is improved; thirdly, the foaming agent adopted by the utility model only needs to be the existing hard polyurethane foaming agent, and the cost of the polyurethane foaming agent is lower than that of hardware, so that a large amount of cost is saved; fourthly, the connecting structure adopted by the utility model can be recycled, the connecting structure of the first connecting plate 1 and the second connecting plate 2 can be opened only by destroying the foaming connecting piece during disassembly and assembly, and the structural installation can be completed by injecting new foaming agent during reinstallation; fifthly, the hard polyurethane foaming agent adopted by the utility model is liquid at room temperature, so that the hard polyurethane foaming agent can be conveniently injected between the insertion block 201 and the installation groove 101, the curing time is only about ten minutes generally, the foaming connecting piece formed by curing can keep good elasticity and bonding force within the range of-10-80 ℃, the foaming connecting piece has the effects of bonding, sealing, gap filling and the like, the flame retardance can reach B level and C level, the service life is not less than 10 years, and therefore, the hard polyurethane foaming agent has the application prospect of fully replacing the traditional hardware connecting piece. In the utility model, the specific type of the polyurethane foaming agent can be selected according to different temperatures and humidity of a construction site, and part of the foaming agent which possibly overflows from the joint of the first connecting plate 1 and the second connecting plate 2 in the construction site is directly removed after being cured.

In this embodiment, as shown in fig. 2, the mounting groove 101 further includes a fixing block 101c disposed at a notch of the groove body 101a, a height of the notch of the connecting groove 201b is higher than an upper surface of the fixing block 101c, the mounting groove 101 further includes an auxiliary fixing block 101d disposed on the groove body 101a, and an adhesive overflow groove 101e disposed on the groove body 101 a. In this embodiment, the auxiliary fixing block 101d is located in the filling groove 101b, and a side end of the auxiliary fixing block 101d close to the fixing block 101c is located vertically below a notch side end of the connecting groove 201b far away from the fixing block 101 c.

In this embodiment, the notch of the connecting groove 201b is higher than the upper surface of the fixing block 101c, so that the first connecting plate 1 and the second connecting plate 2 can be assembled while the inserting block 201 can be transversely inserted into the mounting groove 101 or the mounting groove 101, thereby reducing the difficulty of the mounting process.

In this embodiment, one of the fixing blocks 101c functions to form a blocking portion at the notch of the filling groove 101b to prevent the foaming agent from overflowing the notch of the mounting groove 101 during foaming, and the other functions to abut against the foaming connector to prevent the insertion block 201 from being separated from the mounting groove 101 in the lateral direction.

In this embodiment, the side end of the auxiliary fixed block 101d close to the fixed block 101c is formed with a slope 101g, and the side end of the auxiliary fixed block 101d far from the fixed block 101c is formed with a vertical surface 101 h. The first function of the auxiliary fixed block 101d is to be close to the inclined surface portion 101g of the fixed block 101c to slow down the transverse foaming of the foaming agent, and since the foaming agent is filled in the filling groove 101b, preferably, the foaming agent is filled in the connecting groove 201b first, so that a vertical fixed portion is formed between the connecting groove 201b and the filling groove 101b by curing, in this embodiment, the longitudinal foaming of the foaming agent is better than the transverse foaming, and the inclined surface portion 101g of the auxiliary fixed block 101d can block the transverse foaming of the foaming agent, and can ensure that the entire connecting groove 201b can be filled with the foaming agent through the inclined surface portion 101g under the condition of sufficient amount of the foaming agent to reinforce the connecting strength; the second function of the auxiliary fixing block 101d is to form a notch with the bottom surface of the filling groove 101b from the vertical surface portion 101h of the fixing block 101c, and sufficient foaming agent enters the notch formed by the vertical surface portion 101h and the bottom surface of the filling groove 101b after passing through the inclined surface portion 101g, and is further cured to form a vertical fixing portion, so as to play a role in assisting in reinforcing the connection strength between the inserting block 201 and the mounting groove 101.

In this embodiment, the first function of the glue overflow groove 101e is to enable the excess foaming agent to fill the whole filling groove 101b, so as to enter the glue overflow groove 101e, thereby widening the use range of the foaming agent, reducing the required precision of the filling amount of the foaming agent in the field construction operation, and if the glue overflow groove 101e is not provided, the solidified foaming agent pushes the insertion block 201 outwards in the transverse direction, so that the gap at the connection position between the first connection plate 1 and the second connection plate 2 is enlarged, and the aesthetic effect is affected; the second function of the glue overflow groove 101e is to assist in reinforcing the connection strength between the insertion block 201 and the installation groove 101 when the excess foaming agent enters the glue overflow groove 101e and further solidifies to form a vertical fixing part.

In this embodiment, the foaming agent is foamed and cured to form the foamed connecting piece, and the functions can be divided into: the glue overflow groove comprises a first fixing part 301 which is arranged in a space formed by the filling groove 101b and the connecting groove 201b and is clamped with the fixing block 101c, a connecting part 302 which is arranged at the side end, close to the first fixing part 301, of the auxiliary fixing block 101d, a second fixing part 303 which is arranged at the side end of the connecting part 302, and a third fixing part 304 which is arranged in the glue overflow groove 101 e.

In this embodiment, a first fixing portion 301 formed by curing between the connecting groove 201b and the filling groove 101b serves to mainly enhance the connection strength, a second fixing portion 303 formed at a side end of the auxiliary fixing block 101d away from the first fixing portion 301 serves to secondarily enhance the connection strength, and a third fixing portion 304 formed by curing the foaming agent in the glue overflow groove 101 e. The first fixing portion 301, the second fixing portion 303 and the third fixing portion 304 mainly strengthen the connection strength between the insertion block 201 and the installation groove 101 in the transverse direction, and the connecting portion 302 formed by the side end of the auxiliary fixing block 101d close to the first fixing portion 301 mainly strengthens the connection strength between the insertion block 201 and the installation groove 101 in the longitudinal direction in an auxiliary manner, so that the stress of each part of the foaming connecting piece in the embodiment is relatively balanced, the possibility of breakage and breakage of the foaming connecting piece is low, and the service life is prolonged.

Although the mounting groove 101 is divided into a plurality of functional areas in the embodiment, only 3 notches are actually formed, and only a simple grooving process is needed; similarly, in the present embodiment, the foamed connection member is divided into a plurality of regions, but in an actual working environment, a fixed amount of foaming agent is injected into the filling groove 101b at a time and then curing is waited, which is simple and inexpensive.

In this embodiment, the mounting groove 101 further includes a protruding block 101f disposed on the bottom surface of the slot body 101 a. The insertion block 201 further includes a positioning groove 201c disposed on the body 201a and engaged with the protruding block 101 f.

In this embodiment, if the protruding block 101f does not exist, the groove diameter inside the mounting groove 101 is too large, which easily affects the strength of the first connecting plate 1 and further affects the service life, so that the protruding block 101f can alleviate the above adverse effect to a certain extent; meanwhile, the protruding block 101f can also be used as a positioning block for installing the inserting block 201, so that the positioning and installation of the second connecting plate 2 are facilitated, and the positioning effect can be realized only by arranging a corresponding positioning groove 201c on the inserting block 201.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a hidden connection structure for panel, including set up first connecting plate (1) of mounting groove (101) and be provided with second connecting plate (2) of plug-in connection piece (201) of mounting groove (101) adaptation, its characterized in that, mounting groove (101) include cell body (101 a), set up in fill groove (101 b) in cell body (101 a), plug-in connection piece (201) include body (201 a), set up in on body (201 a) and with fill groove (101 b) and form connecting groove (201 b) that are used for filling the cavity of foamer.

2. The hidden connecting structure for plates as claimed in claim 1, wherein the mounting groove (101) further comprises a fixing block (101 c) disposed at the notch of the groove body (101 a).

3. The hidden connecting structure for plates as claimed in claim 2, wherein the mounting groove (101) further comprises an auxiliary fixing block (101 d) disposed on the groove body (101 a).

4. The hidden connecting structure for plates as claimed in claim 3, wherein the mounting groove (101) further comprises an adhesive overflow groove (101 e) disposed on the groove body (101 a).

5. The concealed connecting structure for boards as claimed in claim 4, wherein the mounting groove (101) further comprises a protruding block (101 f) disposed on the bottom surface of the slot body (101 a).

6. The hidden connecting structure for plates as claimed in claim 5, wherein the inserting block (201) further comprises a positioning slot (201 c) disposed on the body (201 a) and engaged with the protruding block (101 f).

7. The concealed connecting structure for panels as claimed in claim 3, wherein the side end of the auxiliary fixing block (101 d) close to the fixing block (101 c) is formed with a slope portion (101 g), and the side end of the auxiliary fixing block (101 d) far from the fixing block (101 c) is formed with a vertical face portion (101 h).