CN212202732U

CN212202732U - Connection unit

Info

Publication number: CN212202732U
Application number: CN202020452615.9U
Authority: CN
Inventors: 张呈
Original assignee: Qingdao Suba Cnc Technology Co ltd
Current assignee: Qingdao Suba Cnc Technology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-22
Anticipated expiration: 2030-03-31

Abstract

The utility model provides a connection element, including first main part, first main part includes first end and second end, first face and second face, third face and fourth face, protruding boss on the third face, first face cambered surface of locating, the boss includes: the step face is arranged at one end, close to the second face, of the boss, the third face extends in the direction away from the fourth face, the step guide face is connected with one end of the step face, the step face extends in the direction close to the first end/the second end and extends to one end, far away from the second face, of the first face in the extending direction. This coupling unit, first face design are the arc for insert more smoothly, and the step guide face makes this coupling unit when installation and slip, debris such as burr, saw-dust or air of mounting groove bottom, partly extruded the both sides of first face and the space in mounting groove wall, and another part can be removed along the step guide face, can not hinder coupling unit's removal.

Description

Connection unit

Technical Field

The utility model relates to a technical field is connected to the field panel, especially relates to a linkage unit.

Background

People have not only been limited to the function at furniture itself to the demand of furniture now, more the aesthetic property of attention furniture promotes to living experience, furniture is made for panel mostly, the connection that panel passes through the hardware constitutes furniture, more common five metals connecting element is the screw in the middle of the furniture trade, countersunk head bolt and expansion bolts etc. connect, though all these five metals connecting element can both realize the function of connecting when carrying out the connection of two planks, but the surface of plank can always leave a plurality of connecting holes after accomplishing to connect, or expose screw and bolt itself outside, the holistic aesthetic property of this great influence furniture, the panel draw bail and the panel coupling spare of a seamless hookup are now needed urgently.

Although some invisible plate connecting units exist in the existing market, the connecting units cannot be smoothly installed at a specified position due to reasons such as burrs in an installation groove in the using process, or obvious gaps or dislocation occurs between two base materials due to the fact that the base materials cannot be grasped.

Disclosure of Invention

The utility model discloses to the problem that prior art exists, provide one kind and can need not the operating tool, and can not influence the pleasing to the eye linkage unit of furniture.

In order to achieve the above object, the utility model discloses a technical scheme be:

the utility model provides a coupling unit, can be used to panel to connect, includes first main part, first main part includes first end and second end, relative first face and the second face that sets up, relative third face and the fourth face that sets up, protruding the locating boss on the third face, first face is for keeping away from to the bellied cambered surface of second face, the boss includes:

a step surface which is arranged at one end of the lug boss close to the second surface and extends from the third surface to the direction far away from the fourth surface,

and the step guide surface is connected with one end of the step surface, extends from the step surface to the direction close to the first end/the second end and extends to the end, far away from the second surface, of the first surface along the extending direction.

In the above scheme, first face design is the arc, makes to insert more smoothly, and the design extends to first face and keeps away from the step guide face of second face one end, makes this linkage unit when installation and slip, debris such as burr, saw-dust of mounting groove bottom or air, and partly extruded in the both sides of first face and the space in mounting groove wall, another part can remove along the step guide face, can not obstruct linkage unit's removal, in addition, the step guide face can cooperate with the corresponding fitting surface in the mounting groove, and effectual guide step face is laminated each other with corresponding fitting surface when this linkage unit is installed.

As the utility model discloses a further optimization, the step guide face is including being close to the first curved surface of first face, first curved surface be by first face to the curved surface that the step face extends to be close to along extending direction the direction of first face is crooked.

In the above scheme, the arrangement of the first curved surface enables the step guide surface to prevent burrs or obstacles from being greatly hindered when the connecting unit starts to slide, so that the phenomenon of clamping and hanging caused by starting to move is prevented.

As the utility model discloses a further optimization, step guide face is still including locating first curved surface with second curved surface between the step face, the second curved surface by the step face to first curved surface extends to follow extending direction to keeping away from the direction of first face is crooked.

In the above scheme, the second curved surface is arranged, so that the transition between the step guide surface and the step surface is soft, and the phenomenon of clamping at the joint of the step guide surface and the step surface is avoided.

As the utility model discloses a further optimization, the step guide face is two, the symmetry locate the both ends of step face.

In the above scheme, the two step guide surfaces symmetrically arranged at the two ends of the step surface are arranged, so that when the connecting unit slides in the mounting groove, the connecting unit can move smoothly in two directions or can be mounted at any end of use.

As the utility model discloses a further optimization, the fourth surface with third face parallel opposition still includes protruding locating boss on the fourth surface, two the boss corresponds the setting.

In the above scheme, the parallel opposition of fourth face to and the setting of two bosss, make the third face with fourth face both sides all can effectually be fixed, and remove in-process both sides and can not take place the card and hang.

As a further optimization of the present invention, the second surface is a cambered surface symmetrically arranged with the first surface.

In the above scheme, the second surface is an arc surface symmetrically arranged with the first surface, so that the product is more attractive.

As a further optimization of the present invention, the first end includes to keeping away from the bellied cambered surface of second end direction.

In the scheme, the first end is designed to be the cambered surface, so that the smoothness of the connecting piece in the moving process along the direction of the first end is effectively guaranteed.

As a further optimization of the present invention, the second end includes to keeping away from the bellied cambered surface of first end direction.

In the scheme, the second end is designed to be the cambered surface, so that the smoothness of the connecting piece in the moving process along the direction of the second end is effectively guaranteed.

As the utility model discloses a further optimization, step guide face protrusion in the height of third face, along keeping away from the direction of step face reduces gradually.

In the above scheme, the gradual change of the height of the step guide face bulge is not only favorable for processing, but also favorable for shoveling away the obstacles when sliding because the step guide face is close to one end of the first face and is more sharp.

As the utility model discloses a further optimization still includes protruding locating mounting in the first main part, the mounting is equipped with:

a first groove arranged at one end of the fixing piece far away from the first main body,

and the second groove extends from one end, far away from the first main body, of the fixing piece along the axial direction of the fixing piece and is connected with the first groove.

In the above scheme, the arrangement of the first groove and the second groove enables the gas in the mounting hole to be discharged along the first groove along the second groove when the connecting unit is inserted into the mounting hole, and the first groove can also accommodate obstacles such as sawdust and burrs, so that the connecting unit can be effectively ensured to be moved to a preset position.

In the above scheme, the third inclined plane is the edge the arc surface that mounting body circumference extends has guaranteed effectively the area of contact of first bellying and substrate, simultaneously, the third bellying has also been strengthened for circular-arc the structural strength of third bellying and mounting.

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 first perspective view of the connection unit of the present invention;

fig. 2 is a second perspective view of the connection unit of the present invention;

fig. 3 is a front view of the connection unit of the present invention;

fig. 4 is a top view of the connection unit of the present invention;

fig. 5 is a bottom view of the connection unit of the present invention;

fig. 6 is a side view of the connection unit of the present invention.

In each of the above figures, 1, a connecting unit; 11. a first body; 111. a first side; 112. a second face; 113. a third surface; 114. a fourth surface; 115. a first end; 116. a second end; 117. a boss; 1171. a step surface; 1172. a stepped guide surface; 11721. a first curved surface; 11722. a second curved surface; 12. a fixing member; 121. a first groove; 122. a second groove; 123. a first transition surface; 13. a boss member; 131. a first boss portion; 1311. a first inclined surface; 132. a second boss portion; 1321. a second inclined surface; 133. a third boss portion; 1331. a third inclined surface; 134. a fourth boss; 1341. a first stabilizing surface; 135. a fifth boss; 1351. a second stabilizing surface; 1352. a first guide surface.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, the first body 11 of the connection unit 1 shown in the present embodiment includes a first face 111, a second face 112, a third face 113, a fourth face 114, a first end 115, and a second end 116, which are oppositely disposed;

the first surface 111 and the second surface 112 are symmetrical and opposite arc surfaces, so that the processing is convenient and the redundant space is large, and it should be noted that the second surface 112 can also be a plane or other curved surfaces, so that the use is not affected, and a parallel arrangement mode is not needed.

The third surface 113 is connected to the first surface 111 and the second surface 112, and the fourth surface 114 is disposed parallel to the third surface 113 and connected to the first surface 111 and the second surface 112;

here, the third surface 113 and the fourth surface 114 are symmetrically disposed with respect to a plane between the third surface 113 and the fourth surface 114, so that the disposition is favorable for the processing and stability of the product, and is favorable for the installation of the product.

The first end 115 and the second end 116 are oppositely arranged, and the first end 115 and the second end 116 are both arc-shaped surfaces, so that the installation smoothness is facilitated.

A boss 117 provided on the third surface 113 and the fourth surface 114, the boss 117 including:

a step surface 1171 provided at an end of the boss 117 close to the second surface 112, wherein the step surface 1171 of the boss 117 provided on the third surface 113 extends in a direction away from the fourth surface 114 from the third surface 113, and the step surface 1171 of the boss 117 provided on the fourth surface 114 extends in a direction away from the third surface 113 from the fourth surface 114.

And step guide surfaces 1172 symmetrically arranged at two ends of the step surface 1171, wherein one end of each step guide surface is connected with one end of the step surface 1171, the step surface 1171 close to the first end 115 extends towards the direction close to the first end 115, the step surface 1171 close to the second end 116 extends towards the direction close to the second end 116, and the step guide surfaces extend to the end, away from the second surface 112, of the first surface 111 along the extending direction.

The step guide surface 1172 comprises a first curved surface 11721 and a second curved surface 11722 which are connected in sequence, the first curved surface 11721 is an arc surface which is convex towards the direction close to the first surface 111, the 11722 is an arc surface which is convex towards the direction of the second surface 112, the first curved surface 11721 and the second curved surface are in smooth transition, resistance is reduced when the first curved surface 11721 is favorable for bottom sliding, and blocking caused by blocking and hanging due to rapid accumulation of obstacles is prevented.

Referring to fig. 1-6, the illustrated fixture 12 is cylindrical in shape and has disposed thereon:

a first groove 121, provided on an end of the fixing member 12 away from the first body 11, extending in a radial direction of the fixing member 12,

and second grooves 122 extending in the axial direction of the fixing member 12, wherein the two second grooves 122 are disposed opposite to each other and connected to two ends of the first groove 121.

It should be noted here that the above embodiment is only one form, and for example, three second grooves 122 may be adopted, three first grooves 11 are provided, or four second grooves 122 are provided, two intersecting crosses are provided for the first grooves 11, etc., the number of the second grooves 122 does not affect the implementation of the present invention, and the second grooves 122 are only a preferred form.

The protruding part 13 is disposed between the two second grooves 122 and arranged along the axial direction of the fixing part 12, where the protruding part 13 includes:

the first protrusion 131 extends along the axial direction of the fixing member 121, and includes a first inclined surface 1311, an arc surface extending along the circumferential direction of the fixing member 12, and an inclination in a direction away from the fixing member 12 in a direction approaching the first body 11;

the second protruding portion 132 is disposed opposite to the first protruding portion 131 in the projection of the radial cross section of the fixing member 12, the second protruding portion 132 is disposed along the axial direction of the fixing member 12, and includes a second inclined surface 1321, and is disposed along the arc surface of the circumferential direction of the fixing member 12, and is close to the direction of the first main body 11, which is far away from the direction of the fixing member 12, and the second protruding portion 132 and the first protruding portion 131 are disposed in a staggered manner in the axial direction of the fixing member 12.

First bellying 131 with crisscross setting of second bellying 132, the effectual cell type that has avoided leading to a certain degree of depth of mounting groove because of processing man-hour error is not up to standard or the substrate quality is not good and make the barb of one deck effectively fix the condition emergence of skidding even appearing, the effectual assurance this fixed effect after the mounting inserts corresponding slotted hole, simultaneously, adopts the arc surface, both can increase the basic area with the substrate, also can guarantee its structural strength.

Here, the second protruding portion 132 and the first protruding portion 132 have the same structure, but a protruding portion having a different structure may be used.

Third projections 133 provided on the first projection 131/the second projection 132 and arranged alternately in the axial direction of the fixing member 12, the third projecting portion 133 is arranged in synchronization with the first projecting portion 131/the second projecting portion 132 in the circumferential direction of the fixing member 12, the height of the third projection 133 in the radial direction of the fixing member 12 is the same as the height of the first projection 131/second projection 132, the length of the third boss 133 in the axial direction of the fixing member 12 is smaller than the length of the first/second bosses 131/132 in the axial direction of the fixing member 12, the third protrusion 133 is disposed at an interval from the adjacent first protrusion 131/second protrusion 132 disposed on the side of the third protrusion 133 close to the first body 11, the third protrusion 133 is connected to the adjacent first protrusion 131/second protrusion 132 disposed on the side of the third protrusion 133 away from the first body 11.

The third protruding portion 133 and the first/second protruding portions 131/132 form barbs with different sizes, and the barbs are staggered with the first/second protruding portions 131/132, so that the contact area of the barbs is further increased without increasing the barb density, and the firmness of the barbs with the base material is improved.

The fourth protrusion 134 protrudes along the radial direction of the fixing member 12, and is disposed at one end of the fixing member 12 close to the first main body 11, the protruding height of the fourth protrusion 134 is preferably close to the protruding heights of the first protrusion 131 and the second protrusion 132, the fourth protrusion 134 includes a first stabilizing surface 1341, and the first stabilizing surface 1341 is parallel or nearly parallel to the axial direction of the fixing member 12, so as to effectively prevent the fixing member 12 from shaking after being inserted into the mounting hole;

a fifth raised part 135, which is raised in the radial direction of the fixing member 12 and is provided at one end of the fixing member 12 away from the first main body 11, wherein the raised height of the fifth raised part 135 is preferably similar to the raised height of the first raised part 131 and the second raised part 132, the fifth raised part 135 comprises a first guide surface 1352 and a second stabilizing surface 1351, the first guide surface 1352 is used for guiding insertion into the installation hole, and the second stabilizing surface 1351 is arranged in parallel or nearly parallel with the axial direction of the fixing member 12, which effectively prevents the fixing member 12 from shaking after being inserted into the installation hole;

the first transition surface 123 is an arc surface extending from the first body 11 to one end of the fourth protrusion 134 close to the first body 11, and is bent in a direction away from the fixing member 12 along the extending direction, the arrangement of the first transition surface 123 effectively ensures the connection strength between the first body 11 and the fixing member 12, and meanwhile, when the connection unit 1 slides in the installation groove, the fourth protrusion 134 does not collide or rub with the base material.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a coupling unit, can be used to panel to connect, its characterized in that, includes first main part, first main part includes first end and second end, relative first face and the second face that sets up, relative third face and the fourth face that sets up, protruding the locating boss on the third face, first face is for keeping away from to the bellied cambered surface of second face, the boss includes:

2. The connection unit according to claim 1, wherein the stepped guide surface includes a first curved surface adjacent to the first surface, the first curved surface being a curved surface extending from the first surface toward the stepped surface and curved in a direction of extension toward the first surface.

3. The connection unit according to claim 2, wherein the step guide surface further includes a second curved surface provided between the first curved surface and the step surface, the second curved surface extending from the step surface toward the first curved surface and being curved in a direction away from the first surface in the extending direction.

4. The connection unit according to any one of claims 1 to 3, wherein the stepped guide surfaces are two, and are symmetrically provided at both ends of the stepped surfaces.

5. The connection unit according to claim 4, wherein the fourth surface is opposite to the third surface in parallel, and further comprising a boss protruding from the fourth surface, and two of the bosses are disposed correspondingly.

6. The connection unit according to claim 5, wherein the second face is a curved face disposed symmetrically to the first face.

7. The connection unit of claim 5, wherein the first end includes a curved surface that is convex in a direction away from the second end.

8. The connection unit of claim 7, wherein the second end includes an arcuate surface that is convex away from the first end.

9. The connection unit according to claim 1, wherein the stepped guide surface protrudes from the third surface at a height that gradually decreases in a direction away from the stepped surface.

10. The connection unit according to claim 1, further comprising a fixing member provided to protrude on the first body, the fixing member being provided with: