CN214578137U

CN214578137U - Hidden connecting piece

Info

Publication number: CN214578137U
Application number: CN202120557212.5U
Authority: CN
Inventors: 韦主
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-11-02
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses a hidden connecting piece relates to panel connection structure technical field, buckle spare including the cylindricality, offer in the buckle spare and hold the chamber, hold chamber top both sides wall and be provided with the stiffening rib, an organic whole is connected with the draw-in groove portion between two stiffening ribs, offer the draw-in groove that is used for installing the connecting rod on the draw-in groove portion, draw-in groove portion bottom surface and stiffening rib side form and connecting rod complex guiding groove, the one end top and the bottom that the stiffening rib is close to draw-in groove portion opening part are provided with inclined plane and lower inclined plane respectively, middle inclined plane has all been seted up to the relative one end of draw-in groove portion opening part, the utility model has the advantages of simple to operate is swift, applicable connecting rod, the application scope who installs various not unidimensional specifications is wide.

Description

Hidden connecting piece

Technical Field

The utility model relates to a panel connection structure technical field, concretely relates to hidden connecting piece.

Background

The connectors used in furniture factories throughout the country are basically divided into three-in-one and two-in-one connectors, which are partially exposed, and invisible fittings, which are installed inside the panels. The traditional three-in-one and two-in-one connecting piece has a huge disadvantage that an eccentric nut is exposed on a plate, so that the attractiveness of furniture products is seriously influenced, and therefore, hidden connecting accessory products are produced at present, so that the installation is convenient, and the attractiveness of the furniture products is ensured, for example, the utility model patent with the application number of 'CN 202020433713.8' discloses 'an invisible connecting buckle' for connecting a first plate body and a second plate body, which comprises a cylindrical buckle body, wherein the first plate body is provided with a mounting hole connected with the buckle body, and a containing cavity is arranged inside the buckle body; the top wall of the accommodating cavity is provided with a clamping groove and a limiting groove which are communicated with each other, and the clamping groove and the limiting groove both penetrate through the top of the buckle body; the connecting piece comprises a connecting rod and a connector, and the connecting rod is connected with the connecting hole in the second plate body; the buckle body can switch between a preparation position and a chucking position under the exogenic action, when the buckle body is located its preparation position, the connecting piece is worn to establish in the spacing groove when the buckle body is located its chucking position, the connecting rod is worn to establish in the draw-in groove, and the connector is close to the one end card of connecting rod is supported on the roof that holds the chamber. The utility model discloses a need not to process square groove on the board, convenient operation is favorable to reduce cost.

But the utility model discloses a well reinforcing rib structure is comparatively simple, sets up curved spacing groove with draw-in groove position an organic whole, and the suitable connecting rod cooperation of length and size specification that is applicable to generally uses, and is more difficult when less or great connecting rod installation to some size specification, and application scope is little.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a hidden connecting piece to reach simple to operate, the connecting rod of the various not unidimensional specifications of mountable improves application scope's effect.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a hidden connecting piece, includes the buckle spare of cylindricality, it holds the chamber to have seted up in the buckle spare, it is provided with the stiffening rib to hold chamber top both sides wall, an organic whole is connected with draw-in groove portion between two stiffening ribs, offer the draw-in groove that is used for installing the connecting rod on the draw-in groove portion, draw-in groove portion bottom surface and stiffening rib side form and connecting rod complex guiding groove, the one end top and the bottom that the stiffening rib is close to draw-in groove portion opening part are provided with inclined plane and lower inclined plane respectively, middle inclined plane has all been seted up to the relative one end of draw-in groove portion opening part.

Preferably, the bottom of the accommodating cavity is provided with a connecting hole, the connecting hole penetrates through the bottom of the clamping piece, the center of the connecting hole deviates from the axial lead of a cylinder of the clamping piece, the center of the connecting hole deviates towards the direction close to the opening of the clamping groove part, and the connecting hole is used for installing a self-tapping screw.

Preferably, the bottom of the accommodating cavity is provided with an inclined surface around the connecting hole.

Preferably, the bottom of the fastener is provided with a plurality of protrusions.

Preferably, the bottom of the fastener is provided with a plurality of grooves.

Preferably, the edges of the top and the bottom of the fastener are both provided with a chamfer edge.

Preferably, an open slot is formed in the position, opposite to the opening of the clamping slot part, of the side part of the clamping piece, and the open slot is communicated with the accommodating cavity.

Preferably, the side part of the fastener is located at the opening groove and is provided with a gap plane A.

Preferably, two clearance planes B are opened at the side of the fastener, and the clearance planes B are respectively located at two sides of the clearance plane a.

The beneficial effects of the utility model are embodied in:

1. the inclined plane has been seted up here at two stiffening rib top positions, can make buckle spare when being connected with some shorter connecting rods on the market, well cap on the connecting rod can not be touched to the higher authority of buckle spare, make in the shorter connecting rod pushes the draw-in groove more easily, the connecting rod can slide in the draw-in groove mouth well during the equipment, inclined plane has been seted up down simultaneously in two stiffening rib bottom positions, can conveniently adapt to more other connecting rods on the market, for example the connecting rod of a bit or a bit can push the draw-in groove through the lower inclined plane on both sides, and set up middle inclined plane at draw-in groove portion opening part, further improve installation convenience and application scope, realize the effect of installing the connecting rod of various not unidimensional specifications, and go up the inclined plane, the setting of lower inclined plane and middle inclined plane can reduce the weight and the cost of buckle spare again, the practicality is high.

2. The center of the connecting hole is deviated from the axial lead of the cylinder of the fastener, and the deviation direction is close to the opening of the clamping groove part, so that a self-tapping screw can be more conveniently placed, and the installation speed is improved.

3. The inclined surface is arranged around the connecting hole, so that more area of the fastener can be pressed when the tapping screw is screwed tightly, and the fastener is more stably connected with the plate.

4. The bottom of the buckle part is provided with a plurality of bulges, when the self-tapping screw is screwed, the bulges can be inserted into the plate, so that the buckle part is more stable and difficult to slide when being connected with the connecting rod, and a plurality of grooves are formed in the bottom of the buckle part, so that the buckle part is more stable when being connected with the plate, and the weight and the cost of the buckle part can be reduced.

5. The chamfer angle edges are arranged at the top and the bottom of the buckle piece, so that the buckle piece can be put into or taken out of the cylindrical hole more easily, and the weight and the cost can be reduced.

6. The lateral part of the fastener is provided with a gap plane A and a gap plane B respectively at corresponding positions, when the fastener is installed in the hole site of the plate, the gap plane A and the gap plane B can form a gap with the hole site, and when the fastener needs to twist the direction in use, the extrusion of the fastener to the thin part of the plate edge can be reduced, and the weight and the cost of the fastener can be reduced.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a hidden connecting member provided by the present invention;

fig. 2 is a schematic structural view (back view) at another view angle of the present invention;

fig. 3 is a schematic structural view (bottom view) at another view angle of the present invention;

FIG. 4 is a schematic structural view of the front view of the present invention;

FIG. 5 is a schematic structural view of the top view of FIG. 4;

FIG. 6 is a schematic view of the bottom view of FIG. 4;

fig. 7 is a schematic structural view of the self-tapping screw according to the present invention;

FIG. 8 is a schematic view of the connecting rod of the present invention in preparation for installation;

fig. 9 is a schematic structural view of the connecting rod of the present invention when the connecting rod is installed.

Reference numerals:

1-fastener, 2-reinforcing rib, 2.1-upper inclined surface, 2.2-lower inclined surface, 3-slot part, 3.1-middle inclined surface, 3.2-transition inclined surface, 4-guide slot, 5-connecting hole, 6-connecting rod, 7-self-tapping screw, 8-inclined surface, 9-bulge, 10-groove, 11-chamfer edge, 12-open slot, 13-clearance plane A, 14-clearance plane B.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-9, this embodiment provides a hidden connecting piece, buckle spare 1 including the cylindricality, buckle spare 1 is used for connecting two panels (not drawn in the picture), it holds the chamber to have seted up in buckle spare 1, it is provided with stiffening rib 2 to hold chamber top both sides wall, an organic whole is connected with draw-in groove portion 3 between two stiffening ribs 2, the draw-in groove that is used for erection joint pole 6 is seted up on draw-in groove portion 3, draw-in groove portion 3 bottom surface and 2 side formations of stiffening rib and connecting rod 6 complex guiding grooves 4, stiffening rib 2 is close to one end top and the bottom of 3 openings of draw-in groove portion and is provided with inclined plane 2.1 and lower inclined plane 2.2 respectively, middle inclined plane 3.1 has all been seted up to the relative one end in 3 openings of draw-in groove portion, middle inclined plane 3.1 and upper inclined plane 2.1 body coupling here.

In this embodiment, when installing, the fastening member 1 is installed in the hole of a plate, the rod head of the connecting rod 6 is located at the position of the guiding groove 4, the rod part of the connecting rod 6 passes through the clamping groove, so as to connect with another plate through the rod part of the connecting rod 6, here, the top of the two reinforcing ribs 2 is provided with the upper inclined plane 2.1, when the fastening member 1 is connected with some shorter connecting rods 6 on the market, the upper surface of the fastening member 1 will not touch the middle cap on the connecting rod 6, so that the shorter connecting rod 6 can be more easily pushed into the clamping groove, the connecting rod 6 can well slide into the clamping groove opening during assembling, meanwhile, the bottom of the two reinforcing ribs 2 is provided with the lower inclined plane 2.2, which can conveniently adapt to more other connecting rods 6 on the market, for example, the connecting rod 6 with a larger or longer length can be pushed into the clamping groove through the lower inclined planes 2.2 on both sides, and the opening of the clamping groove part 3 is provided with the middle inclined plane 3.1, the entrance of the clamping groove is enlarged, the installation convenience and the application range are further improved, the effect of installing the connecting rods 6 with various different sizes and specifications is realized, the weight and the cost of the buckling part 1 can be reduced by the arrangement of the upper inclined plane 2.1, the lower inclined plane 2.2 and the middle inclined plane 3.1, and the practicability is high. During installation, the connecting rod 6 and the middle point of the fastener 1 are suggested to be inwards deviated by 1mm, so that the alignment of the edges of the adjusting plate which can be better due to point deviation in the process of arranging the holes on the two plates is ensured, and the connecting structure is more stable.

Specifically, the bottom of the middle inclined plane 3.1 is also provided with a transition inclined plane 3.2, the transition inclined plane 3.2 is used for being matched with the head of the connecting rod 6, and during installation, the head of the connecting rod 6 is required to be pushed into the groove through the transition inclined plane 3.2, so that the installation is convenient.

Specifically, hold the chamber bottom and seted up connecting hole 5, connecting hole 5 link up the bottom of buckle spare 1, the skew 1 cylinder axial lead of buckle spare in center of connecting hole 5, and the center of connecting hole 5 is towards being close to 3 opening directions of draw-in groove portion and deviating, connecting hole 5 is used for installing self-tapping screw 7, buckle spare 1 passes through self-tapping screw 7 to be fixed in the hole site of panel, here with the skew setting in center of connecting hole 5, self-tapping screw 7 can be put into more conveniently, the installation rate has been improved, here connecting hole 5 is rectangular shape, under special circumstances, adjustable self-tapping screw 7 mounted position has been damaged in original self-tapping screw hole site.

Specifically, the inclined surface 8 is arranged at the bottom of the accommodating cavity around the connecting hole 5, when the tapping screw 7 is installed on the connecting hole 5, the head of the tapping screw contacts with the inclined surface 8, and more areas of the fastener 1 can be pressed when the tapping screw 7 is screwed down, so that the fastener 1 is more stably connected with a plate.

Specifically, buckle 1 bottom is provided with a plurality of archs 9, and arch 9 is the punctiform, generally is provided with 4 and evenly distributed, and when tapping screw 7 was turned round tightly, arch 9 can insert in the panel, makes buckle 1 stabilize more when being connected with connecting rod 6 and is difficult for sliding.

Specifically, a plurality of recesses 10 have been seted up to buckle spare 1 bottom, generally for circular and set up two, and the concave-convex structure can be formed in the setting of recess 10, and is more firm when letting buckle spare 1 be connected with panel, can reduce buckle spare 1's weight and cost again.

Specifically, the edges of the top and the bottom of the buckle part 1 are provided with the chamfer edges 11, so that the buckle part 1 can be more easily put into the mounting hole of the plate or taken out of the mounting hole, and the weight and the cost can be reduced.

Specifically, open slot 12 has been seted up to the position that the lateral part of buckle spare 1 was faced away from 3 openings part of buckle spare, open slot 12 with hold the chamber intercommunication, this open slot 12's design both can improve the elasticity at the top of buckle spare 1, can save the raw materials of production buckle spare 1 again, reduce cost, when cabinet body board installation lamp area, the electric wire can pass from open slot 12.

Specifically, a clearance plane a13 is formed at the position, located at the opening groove 12, of the side portion of the buckle 1, two clearance planes B14 are formed at the side portion of the buckle 1, and the clearance planes B14 are respectively located at two sides of the clearance plane a 13. When the fastener 1 is installed in the hole site of the plate, the gap plane a13 and the gap plane B14 can form a gap with the hole site, so that when the fastener 1 needs to twist in use, the extrusion of the fastener 1 to the thin part of the plate edge can be reduced, and the weight and cost of the fastener 1 can be reduced.

The working principle is as follows: as shown in fig. 7-9, put self-tapping screw 7 into connecting hole 5 of fastener 1 earlier, make fastener 1 fix in the mounting hole of a panel through self-tapping screw 7, then aim at connecting rod 6 draw-in groove opening part and inwards push for the pole head of connecting rod 6 is located guiding groove 4 positions, and the draw-in groove is then passed to the pole portion of connecting rod 6, thereby connects through the pole portion and another panel of connecting rod 6, finally passes through the utility model discloses link together two panels, and fastener 1 hides in the panel.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The hidden connecting piece comprises a cylindrical buckling piece, wherein a containing cavity is formed in the buckling piece, and the hidden connecting piece is characterized in that reinforcing ribs are arranged on two side walls of the top of the containing cavity, a clamping groove part is integrally connected between the reinforcing ribs, a clamping groove used for installing a connecting rod is formed in the clamping groove part, the bottom surface of the clamping groove part and the side surface of the reinforcing ribs form a guide groove matched with the connecting rod, the top and the bottom of one end, close to an opening of the clamping groove part, of each reinforcing rib are respectively provided with an upper inclined surface and a lower inclined surface, and a middle inclined surface is formed in one end, opposite to the opening of the clamping groove part, of each reinforcing rib.

2. The hidden connecting piece as claimed in claim 1, wherein a connecting hole is formed at the bottom of the receiving cavity, the connecting hole penetrates through the bottom of the locking member, the center of the connecting hole is offset from the axial line of the cylinder of the locking member, the center of the connecting hole is offset towards the opening close to the locking slot, and the connecting hole is used for installing a tapping screw.

3. The concealed connecting member according to claim 2, wherein the bottom of the accommodating cavity is provided with an inclined surface around the connecting hole.

4. The concealed connecting member according to claim 1, wherein the bottom of the snap member is provided with a plurality of protrusions.

5. The concealed connecting member according to claim 4, wherein the bottom of the locking member has a plurality of grooves.

6. The concealed connecting member according to claim 1, wherein the top and bottom edges of the locking member are each provided with a chamfered edge.

7. The hidden connecting piece as claimed in claim 1, wherein an opening slot is formed on a side of the locking member opposite to the opening of the locking slot, and the opening slot is communicated with the accommodating cavity.

8. The concealed connecting member according to claim 7, wherein the side portion of the locking member at the opening slot is provided with a clearance plane A.

9. The connecting member of claim 8, wherein the side portion of the locking member defines two clearance planes B, and the two clearance planes B are respectively located at two sides of the clearance plane A.