CN209977017U

CN209977017U - Hidden connection structure

Info

Publication number: CN209977017U
Application number: CN201920777179.XU
Authority: CN
Inventors: 刘景强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-01-21
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to a hidden connecting structure, which belongs to the technical field of furniture connecting pieces and comprises a connecting block and a mounting groove arranged on a component A, wherein a fastening piece is arranged on the connecting block, the mounting groove comprises a dovetail groove and a abdicating groove which are mutually communicated, the connecting block slides in and is clamped in the dovetail groove through the abdicating groove, and also comprises an antiskid block which is arranged on one side of the connecting block corresponding to the bottom of the dovetail groove, the connecting block is fixed on the component B through the fastening piece by adopting the structure, the abdicating groove and the dovetail groove are arranged on the component A, the connecting block is inserted into the abdicating groove and pushes the component A to move transversely so that the connecting block slides in and is clamped in the dovetail groove, thereby being beneficial to quick installation and disassembly, the antiskid block is clamped between the connecting block and the bottom of the dovetail groove to prevent the connecting block from sliding out of the, need not to punch in the part outside, overall structure is simple, and the material requires lowly, the processing degree of difficulty is little.

Description

Hidden connection structure

Technical Field

The utility model belongs to the technical field of the furniture connecting piece, in particular to hidden connection structure.

Background

In the production of furniture, the quality and reliability of hardware are very important, the service life of the furniture can be prolonged by high-quality hardware, and the inferior hardware not only has poor durability, but also gives people a low-cost feeling in appearance. To the most extensive trinity that uses at present, two unification connecting pieces, the installation material receives the limitation, and the installation is loaded down with trivial details, and the installation back is not firm, especially exposes the round hole on the face and has influenced pleasing to the eye greatly, can not satisfy pleasing to the eye requirement. In the traditional mortise and tenon structure, the tenon is directly processed and formed on the board surface, the process limitation is too large, the requirement on the material is too high, the price is high, and the mortise and tenon structure cannot be accepted by the public.

In addition, the hidden connecting pieces solve the problem that the exposed round holes on the board surface affect the appearance, but have the following defects: stealthy piece is to docking numerical control cutting machine, and the software requirement of engraver is too high, causes can not generally promote, the second: the price of the invisible pieces is too high to be generally accepted by manufacturers and customers.

Therefore, a hidden connection structure with simple structure, low cost, durability and beautiful appearance is in urgent need.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hidden connection structure for solve the connecting piece structure among the prior art complicated, the installation loaded down with trivial details, require high priced technical problem to the material.

The utility model discloses a following technical scheme realizes: the utility model provides a hidden connection structure, includes connecting block and the mounting groove of setting on A part, be equipped with on the connecting block be used for with the fastener on B part is fixed to the connecting block, the mounting groove is including the dovetail of mutual intercommunication and the groove of stepping down, the connecting block passes through the groove of stepping down slides in and the joint is in the dovetail, still include the non slipping spur, the non slipping spur sets up the connecting block corresponds one side of dovetail tank bottom.

Further, for better realization the utility model discloses, the connecting block corresponds one side of dovetail tank bottom is equipped with the mounting hole, the one end interference fit of non slipping spur is in the mounting hole, the other end of non slipping spur stretches out the mounting hole.

Further, for better realization the utility model discloses, the other end terminal surface of non slipping spur is the inclined plane, the inclined plane orientation the direction in groove of stepping down.

Further, in order to realize better the utility model discloses, the fastener is the countersunk screw, the connecting block corresponds one side of dovetail tank bottom is equipped with the counter sink, the countersunk screw is installed in the counter sink.

Further, in order to better realize the utility model discloses, still include the locating piece and set up the locating hole on B part, the locating piece sets up the connecting block deviates from one side of dovetail, the locating piece is pegged graft in the locating hole.

Further, in order to realize better the utility model discloses, the locating piece is the cylinder, the locating hole is the cylinder hole, be equipped with a plurality of annular pawl on the cylinder, the cylinder is pegged graft downthehole.

Further, in order to better realize the utility model discloses, the locating piece is the cone, the locating hole is the circular cone hole, the cone is pegged graft in the circular cone hole.

Further, in order to better realize the utility model discloses, the locating piece with connecting block integrated into one piece takes shape.

Further, in order to better realize the utility model discloses, the connecting block is the terrace with edge, the lateral wall of terrace with the lateral wall adaptation of dovetail.

Further, in order to better realize the utility model discloses, the non slipping spur is the structure of being made by elastic material.

The utility model discloses compare in prior art and have following beneficial effect:

the utility model provides a hidden connecting structure, which comprises a connecting block and a mounting groove arranged on a component A, wherein the connecting block is provided with a fastener for fixing the connecting block on the component B, the mounting groove comprises a dovetail groove and a abdicating groove which are mutually communicated, the connecting block slides in and is clamped in the dovetail groove through the abdicating groove, the hidden connecting structure also comprises an antiskid block, the antiskid block is arranged at one side of the connecting block corresponding to the bottom of the dovetail groove, the connecting block is fixed on the component B through the fastener by adopting the structure, the abdicating groove and the dovetail groove are arranged on the component A, the connecting block is inserted into the abdicating groove and then pushes the component A to transversely move so as to slide in and clamp the connecting block in the dovetail groove, thereby being beneficial to quick installation and disassembly, the antiskid block is arranged between the connecting block and the bottom of the dovetail groove, the connecting block can be, need not to punch in the part outside, improved pleasing to the eye degree, overall structure is simple, and the material requires lowly, the processing degree of difficulty is little, makes the utility model discloses stronger practicality has.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a connecting block of a hidden connecting structure in the present invention;

FIG. 2 is a schematic structural view of a mounting groove of the hidden connecting structure of the present invention;

FIG. 3 is a cross-sectional view of the middle connecting block, the anti-slip block and the annular inverted tooth of the present invention;

FIG. 4 is a schematic view of the positioning block of the present invention being a cone;

FIG. 5 is a schematic view of a hidden connection structure of the present invention connecting the component A and the component B;

fig. 6 is a view from the direction of a-a in fig. 5.

In the figure:

1-connecting blocks; 11-mounting holes; 111-square groove; 112-horizontal groove; 12-countersunk holes; 13-positioning blocks; 131-annular inverted teeth; 14-straight platform;

2-mounting grooves; 21-a dovetail groove; 22-a yield groove;

3-a fastener;

4-anti-skid blocks; 41-a protruding block; 411-inclined plane; 42-a plug-in block;

5-positioning holes;

a 6-A component;

7-B parts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

in the present embodiment, a hidden connecting structure, as shown in fig. 1 and 2, includes a connecting block 1 and a mounting groove 2 disposed on a component a 6, specifically, a fastening member 3 for fastening the connecting block 1 on a component B7 is disposed on the connecting block 1, the mounting groove 2 includes a dovetail groove 21 and a relief groove 22 which are communicated with each other, the connecting block 1 slides into and is clamped in the dovetail groove 21 through the relief groove 22, the relief groove 22 may be a rectangular groove or a circular groove or any other groove having any shape as long as it can accommodate the connecting block 1, and further includes an anti-slip block 4, the anti-slip block 4 is disposed on a side of the connecting block 1 corresponding to a groove bottom of the dovetail groove 21, and preferably, the anti-slip block 4 is a structural member made of an elastic material, such as rubber, nylon, etc., to increase a friction force between the connecting block 1 and the groove bottom of the dovetail groove 21, the anti-skid capability is improved, and it should be noted that the above-mentioned a component 6 and B component 7 are various plate materials, or vertical columns, or transverse beams, or horizontal purlins, or any horizontal component and vertical component which need to be connected.

With this configuration, as shown in fig. 5 and 6, the joint block 1 is fixed to the B member 7 by the fastening member 3, the A component 6 is provided with a relief groove 22 and a dovetail groove 21, the connecting block 1 is inserted into the relief groove 22 and then the A component 6 is pushed to move transversely to enable the connecting block 1 to slide into and be clamped in the dovetail groove 21, so that the quick installation and disassembly are facilitated, the anti-skidding blocks 4 are clamped between the connecting block 1 and the bottom of the dovetail groove 21, the connecting block 1 can be prevented from reversely sliding out of the dovetail groove 21, thereby get up the firm connection of above-mentioned A part 6 and above-mentioned B part 7, above-mentioned connecting block 1 is hidden between two parts, need not to punch in the part outside, has improved pleasing to the eye degree, and overall structure is simple, and the material requires lowly, the processing degree of difficulty is little, makes the utility model discloses stronger practicality has.

As a specific embodiment of the present embodiment, as shown in fig. 3 and fig. 6, the connecting block 1 is a prism table, the side wall of the prism table is adapted to the side wall of the dovetail groove 21, that is, the side wall of the prism table is inwardly folded in a direction away from the dovetail groove 21, wherein the inclination angle of the side wall of the prism table is the same as the inclination angle of the side wall of the dovetail groove 21, thereby improving the stability of the engagement of the prism table in the dovetail groove 21, preferably, the prism table is provided with a straight table 14 at a side close to the bottom of the dovetail groove 21, and both ends of the straight table 14 and the prism table are provided with arc-shaped outer walls, thereby preventing the prism table from being blocked when the prism table slides into and engages in the dovetail groove 21, and the material of the connecting block 1 may be nylon, hard rubber, metal, synthetic resin, or other hard and semi-hard materials.

Example 2:

in the present embodiment, as shown in fig. 3, a mounting hole 11 is formed in one side of the connecting block 1 corresponding to the groove bottom of the dovetail groove 21, one end of the anti-slip block 4 is interference-fitted into the mounting hole 11, and the other end of the anti-slip block 4 extends out of the mounting hole 11, and preferably, an end surface of the other end of the anti-slip block 4 is an inclined surface 411, the inclined surface 411 faces the direction of the relief groove 22, the inclined surface 411 and the groove bottom of the dovetail groove 21 are in sufficiently close contact, so that friction between the two is increased, and the connecting block 1 is prevented from reversely slipping out of the dovetail groove 21 due to an external force to release a connection relationship.

As a specific embodiment of this embodiment, as shown in fig. 3, the anti-skid block 4 includes a protruding block 41 and an inserting block 42 that are integrally formed, the mounting hole 11 includes a square groove 111 and a horizontal groove 112 that communicates with the square groove, a groove bottom of the horizontal groove 112 is higher than a groove bottom of the square groove 111 and forms a step, the inserting block 42 is inserted into the square groove 111 with interference, and the protruding block 41 overlaps the horizontal groove 112 and its upper end protrudes from the surface of the connecting block 1.

In the present embodiment, as shown in fig. 5, the fastening member 3 is preferably a countersunk head screw, a countersunk head hole 12 is formed in the connecting block 1 at a side corresponding to the bottom of the dovetail groove 21, an inner wall of the countersunk head hole 12 is fitted to the countersunk head screw, so that when the countersunk head screw is mounted in the countersunk head hole 12, a head end of the countersunk head screw is sunk below the surface of the connecting block 1, and a length of the countersunk head screw depends on a thickness of the B member 7, so that the connecting block 1 is fixed to the B member 7.

Example 3:

the present embodiment is further optimized based on the above embodiment, and in the present embodiment, as shown in fig. 1 and fig. 3, the present embodiment further includes a positioning block 13 and a positioning hole 5 disposed on the B component 7, specifically, the positioning block 13 is disposed on a side of the connecting block 1 away from the dovetail groove 21, the positioning block 13 is inserted into the positioning hole 5, the fastener 3 alone can only avoid the lateral misalignment of the connecting block 1, and cannot avoid the rotation of the connecting block 1 with the fastener 3 as a center, the positioning block 13 and the fastener 3 cooperate to prevent the lateral misalignment or the rotation misalignment of the connecting block 1, as an optimization, the positioning block 13 and the connecting block 1 are integrally formed by a mold or injection molding, and may be also integrally connected by separate fitting.

As a specific implementation manner of this embodiment, as shown in fig. 3, the positioning block 13 is a cylinder, the positioning hole 5 is a cylindrical hole, the cylinder is provided with a plurality of annular inverted teeth 131, the cylinder is inserted into the cylindrical hole, and the annular inverted teeth 131 are clamped on an inner wall of the cylindrical hole, so that the connection is firmer.

As another specific embodiment of this embodiment, as shown in fig. 4, the positioning block 13 is a cone, the positioning hole 5 is a conical hole, the cone is inserted into the conical hole, preferably, the number of the cone is two, the number of the conical hole is also two, and the cone and the conical hole are connected in pairs, so as to position the connecting block 1 and prevent the connecting block from lateral misalignment and rotational misalignment.

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

Claims

1. The utility model provides a hidden connection structure which characterized in that: including connecting block and the mounting groove of setting on A part, be equipped with on the connecting block be used for with the fastener on B part is fixed to the connecting block, the mounting groove is including the dovetail of mutual intercommunication and the groove of stepping down, the connecting block passes through the groove of stepping down slides in and the joint is in the dovetail, still include the non slipping spur, the non slipping spur sets up the connecting block corresponds one side of dovetail tank bottom.

2. The concealed connecting structure according to claim 1, wherein: one side of the connecting block, which corresponds to the bottom of the dovetail groove, is provided with a mounting hole, one end of the antiskid block is in interference fit in the mounting hole, and the other end of the antiskid block extends out of the mounting hole.

3. The concealed connecting structure according to claim 2, wherein: the other end face of each anti-skid block is an inclined face, and the inclined face faces the direction of the corresponding abdicating groove.

4. The concealed connecting structure according to claim 3, wherein: the fastener is a countersunk screw, a countersunk hole is formed in one side of the connecting block, which corresponds to the bottom of the dovetail groove, and the countersunk screw is installed in the countersunk hole.

5. A concealed connecting structure according to any one of claims 1 to 4, wherein: the locating piece is arranged on one side, deviating from the dovetail groove, of the connecting block, and the locating piece is inserted into the locating hole.

6. The concealed connecting structure according to claim 5, wherein: the positioning block is a cylinder, the positioning hole is a cylindrical hole, and a plurality of annular inverted teeth are arranged on the cylinder.

7. The concealed connecting structure according to claim 5, wherein: the positioning block is a cone, the positioning hole is a conical hole, and the cone is inserted into the conical hole.

8. The concealed connecting structure according to claim 5, wherein: the positioning block and the connecting block are integrally formed.

9. The concealed connecting structure according to claim 1, wherein: the connecting block is a prismatic table, and the external profile size of the prismatic table is matched with the dovetail groove.

10. The concealed connecting structure according to claim 1, wherein: the anti-skidding blocks are structural members made of elastic materials.