KR101358101B1 - Joint apparatus - Google Patents

Abstract

Disclosed is a connection device which is suitable to connect a handrail or a rail of a fence structure. The connection device for a rail includes a rotary bar and a rotary arm including a shaft joint connected to one end of the rotary bar. The connection device includes a shaft groove and a guide groove which are vertically connected to each other. The shaft groove accommodates the shaft joint to be able to rotate in a movable bracket, and the guide groove allows the rotary bar to rotate.

Description

 Connecting device {JOINT APPARATUS}

The present invention relates to a connecting device suitable for connecting a rail such as a handrail or a protective rail to an arbitrary structure such as a strut in a railing or fence structure, and more particularly, to a connecting device used when connecting a rail at an angle. It is about.

Railings or fence structures are installed at the edges of roads, stairs, bridges, floors, and verandas to protect people or to decorate them. In addition, such a railing or fence structure is installed in a park or the like to guide the passage of pedestrians, or is used for protecting passengers or animals and plants.

Typically, railings (or fence structures) comprise several struts installed at regular intervals and rails (or crossbars) installed between neighboring struts. The handrail or fence structure also includes a rail connection including a bracket to connect the rail to the support or the like.

In the case of installing rails or fence rails in a horizontal structure or to install a certain inclination, a common rail connecting device can be applied, but a rail that is to be connected at an angle to the left, right, up, down or front and back by a general rail The connection device is difficult to use. In addition, most handrails or fence structures have a portion to which rails must be connected at an angle due to installation conditions or environmental constraints.

For the same reason as in the art, there is a need for an angle adjustable rail connecting device to be applied to a portion to be connected to the rail bent, there have been many efforts to develop such an angle adjustable rail connecting device. Patent Nos. 10-802500, 10-1062894, Published Patent Publication Nos. 10-2009-85188, and 10-2009-132161 disclose an angle adjustable rail connecting device. .

However, the conventionally adjustable angle rail connection device has a disadvantage that the structure is complicated and difficult to install and dismantle. In addition, some simple structures have been proposed, but these devices have a disadvantage in that they cannot be adapted to various installation environments because of limited angle adjustment directions.

As described above, the conventional angle-adjustable connecting device still has many limitations to meet the requirements desired by the operator or the contractor.

Accordingly, the problem to be solved by the present invention is to provide a connection device that is simple in structure, easy to install and dismantle, and which can be adjusted in various directions.

In addition, another problem to be solved by the present invention is a connection device that can meet a variety of requirements, such as a structure capable of adjusting the angle in various directions desired by the operator or builder, a simple structure for installation and dismantling work, a simple and durable structure To provide.

According to one aspect of the invention there is provided a connecting device suitable for rail connection of a railing or fence structure. The connecting device includes a rotating arm including a rotating bar and a shaft joint coupled to one end of the rotating bar; It includes a flow bracket including a shaft groove and a guide groove connected to each other up and down. At this time, the flow bracket, the shaft groove is configured to receive the shaft joint rotatably, the guide groove is configured to allow the rotation of the rotation bar.

According to an embodiment, the flow bracket includes a pair of shaft grooves crossing at right angles and a pair of guide grooves crossing at right angles corresponding to the pair of shaft grooves, wherein the shaft joint is one of the pair of shaft grooves. It is selectively rotatably received in one shaft groove, and the rotation bar rotates along a guide groove formed in a direction crossing the shaft groove in which the shaft joint is received.

According to one embodiment, the guide groove has a width greater than the width of the rotation bar and less than the width of the shaft joint.

According to one embodiment, the rotating arm is assembled by fastening the fastener to the end of the rotating bar through the shaft joint with one end of the rotating bar inserted into the guide groove.

According to one embodiment, the shaft joint comprises an arcuate axial curved surface and the axial groove comprises an arcuate bearing surface corresponding to the axial curved surface.

According to one embodiment, the rotating bar may include an intermediate tube and a rod rotatably coupled to the intermediate tube, wherein the shaft joint may be coupled to an end of the rod.

According to one embodiment, the rotating arm further comprises a shaft joint which is paired with the shaft joint at the other end of the rotating bar, and the connecting device includes the flow bracket so as to correspond to the pair of shaft joints. A pair of flow brackets is further provided.

According to another embodiment, the connection device further comprises a fixing bracket, the other end of the rotary bar is fastened to the fixing bracket.

According to another aspect of the present invention, there is provided a connecting device including a rotating bar and a pair of shaft joints coupled to both ends of the rotating bar, each of the shaft joints including a rotating arm having a shaft curved surface;

And a pair of flow brackets configured to vertically connect a pair of shaft grooves crossing each other and a pair of guide grooves crossing each other. In this case, the shaft joint is selectively rotatably received in one shaft groove of the pair of shaft grooves, and the rotation bar rotates along a guide groove formed in a direction crossing the shaft groove in which the shaft joint is accommodated.

In this case, the shaft joint includes an arc-shaped shaft curved surface, the shaft groove includes an arc-shaped bearing surface corresponding to the shaft curved surface, the shaft joint is rotatable within a predetermined angle range within the shaft curved surface The rotating bar includes an intermediate tube and a rod rotatably coupled to the intermediate tube, wherein the shaft joint is coupled to an end of the rod.

Another connecting device according to another aspect of the present invention includes a rotation bar and a pair of shaft joints coupled to one end of the rotation bar, each of the shaft joints having a shaft having a shaft curved surface; A pair of flow brackets configured to vertically connect a pair of shaft grooves crossing each other and a pair of guide grooves crossing each other; And a fixing bracket for fixing the other end of the rotation bar, wherein the shaft joint is selectively rotatably received in one shaft groove of the pair of shaft grooves, and the rotation bar intersects the shaft groove in which the shaft joint is received. Rotate along the guide groove formed in the direction.

In this case, the shaft joint includes an arc-shaped curved surface, and the shaft groove includes an arc-shaped bearing curved surface corresponding to the shaft curved surface.

The connection device according to the present invention is simple and durable and easy to adjust the angle, for example, it can be usefully used for connecting the bent or bent in the handrail or fence structure. In addition, the connection device according to the present invention has the advantage that the angle can be adjusted in various directions, installation and dismantling is simple.

1 is a front sectional view showing a connecting device in a state before angle adjustment according to an embodiment of the present invention.
Figure 2 is a front sectional view showing a connecting device in a state after the angle adjustment according to an embodiment of the present invention.
Figure 3 is a side cross-sectional view showing the connecting device shown in FIG.
4A and 4B are a plan view and a bottom view of one side flow bracket of the connecting device shown in FIGS. 1 to 3 from above and below, respectively.
5 and 6 are views for explaining the operation of the connecting device shown in FIGS.
Figure 7 is an exploded perspective view for explaining the assembly and disassembly process of the connecting device shown in Figs.
8 is a view showing an example of a joint arm that can be applied to the connecting device of the present invention.
9 is a view showing a part of the handrail or fence structure to which the connecting device according to an embodiment of the present invention is applied.
10 is a front sectional view showing a connecting device according to another embodiment of the present invention.
FIG. 11 is an exploded view showing an exploded view of the connecting device shown in FIG. 10.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are provided as examples for allowing a person skilled in the art to sufficiently convey the idea of the present invention. Therefore, the present invention is not limited to the embodiments described below, but may be embodied in other forms. In the drawings, the width, length, thickness, and the like of the components may be exaggerated for convenience.

1 is a front sectional view showing a connection device according to an embodiment of the present invention before the angle adjustment, a front sectional view showing the connection device according to an embodiment of the present invention after the angle adjustment, Figure 3 1 is a side cross-sectional view showing the connecting device shown in Figure 1, and (a) and (b) a plan view and a bottom view showing one side of the flow bracket of the connecting device shown in Figs. 5 and 6 are views for explaining the operation of the connecting device shown in Figures 1 to 4, Figure 7 is a view for explaining the assembly and disassembly process of the connecting device shown in Figures 1 to 6 Figure 8 is an exploded perspective view, Figure 8 is a view showing an example of a joint arm that can be applied to the connecting device of the present invention, Figure 9 is a view showing a part of the handrail or fence structure applied to the connecting device according to an embodiment of the present invention. .

1 to 3 and 7, the connecting device 1 according to an embodiment of the present invention is configured to connect the rails to a support or another rail by adjusting the angle in a railing or fence structure, a pair Flow brackets 10a, 10b (collectively 10) and a rotating arm 30 angularly adjustable therebetween.

Rotating arm 30 includes a long, elongated rotary bar 32 and a pair of shaft joints 34, 34 provided at both ends of the rotary bar 32. The pair of shaft joints 34 and 34 are parts rotatably connected to each of the pair of flow brackets 10a and 10b and may be substantially the same or similar in structure or shape.

In addition, the pair of shaft joints 34 and 34 are connected to the rotary bar 32 by fasteners 35 and 35, wherein the connection is such that the fastener 35 penetrates the shaft joint 34. It can be made by being fastened to the end of the rotary bar (32).

In addition, each of the pair of shaft joints 34 and 34 includes an arc-shaped shaft curved surface 342 on one side of the cross section cut in the X-axis direction of the drawing. In the figure, the upper shaft joint 34 includes an axial curved surface 342 at the bottom facing the rotary bar 32, and the lower shaft joint 34 is directed at the rotary bar 32. It includes an axial curved surface 342 at the top. In addition, each of the pair of shaft joints 34, 34 has a substantially rectangular cross-section cut in the Y-axis direction, and thus, each of the pair of shaft joints 34, 34 has a substantially semi-cylindrical shape. Have In this case, the shaft curved surface 342 may be omitted in a portion where the rotating bar 32 directly meets.

The pair of flow brackets 10a and 10b are parts fastened to the railing and the support or the other rail, respectively, and may have different shapes depending on the shape of the fastened object, but the connection structure to the rotating arm 30 is Substantially the same. Therefore, a detailed description of the appearance that can be changed according to the object to be fastened will not be described separately, and the same member number is used for the elements constituting the connection structure for the rotating arm 30 in each of the flow brackets 10a and 10b. This will be described.

Each of the pair of flow brackets 10a and 10b includes a generally hexahedral connection portion, and includes a pair of guide grooves 12a and 12b on each of an inward surface and an outward surface opposite thereto. ) And a pair of shaft grooves 14a and 14b (collectively 14). The inward face is defined as the face facing the rotating arm 30 in the flow bracket 10a or 10b and the outward face is defined as the face facing the inward face in the flow bracket 10a or 10b.

The pair of shaft grooves 14a and 14b cross each other at right angles while being formed in the X-axis direction and the Y-axis direction, and the shaft joint 34 described above is rotatable in one of the pair of shaft grooves 14a and 14b. Are accepted. In this case, the shaft groove 14 includes an arc-shaped curved surface corresponding to the shaft curved surface 342 of the shaft joint 34, that is, the bearing curved surface 142, and the shaft curved surface 342 of the shaft joint 34. The bearing curved surface 142 is in rolling contact, the shaft joint 34 may rotate within a predetermined angle range.

The pair of guide grooves 12a and 12b are connected to each other directly or directly below each of the pair of shaft grooves 14a and 14b while being formed to cross at right angles or in a cross shape. With respect to one shaft groove 14a, one guide groove 12b is formed in an intersecting direction, and the other guide groove 12b is formed to be up and down horizontally on the same line with respect to the shaft groove 14a. The guide groove 12 is such that when the shaft joint 32 of the rotating arm 30 rotates in the shaft groove 14 crossing at right angles at different heights, the rotation bar 34 rotates or pivots at an angle. Allow. In addition, since the guide groove 12 has a width smaller than the width and length of the shaft joint 34, as shown in FIG. 3, the shaft joint 34 and the rotating arm 30 including the same. ) To prevent the departure of.

As previously described, the shaft joints 34, 34 at both ends of the rotating arm 30 pivot in the shaft grooves 14, 14 of the up and down flow brackets 10a, 10b and between the shaft joints 34, 34. By turning or rotating the rotary bar 32 connected to the rotating arm 30, the angle is changed from the vertical position shown in FIG. 1 to the inclined position shown in FIG. Therefore, the connecting device 1 according to the present embodiment may preferably connect the rail to the support or other structure at the bending portion of the railing or fence structure. In addition, since the angle adjustment of the rotary arm 30 is made by a pair of flow brackets (10a, 10b), it is possible to adjust a wider range of angles.

The connecting device 1 according to the present embodiment is capable of adjusting angles in various directions, which means that the flow bracket 10 has a guide and an orthogonal crossover arrangement of the shaft grooves 14a and 14b as shown in FIGS. 4 to 6. It is realized by the perpendicular cross arrangement of the grooves 12a and 12b. 4 (a) shows that the first shaft groove 14a and the second shaft groove 14b cross each other at right angles on the outward surface 101 of the flow bracket 10, and FIG. 4 (b) shows the flow bracket ( It is seen that the first guide groove 12a and the second guide groove 12b are formed on the inwardly facing surface 102 of 10, and the first and second guide grooves 12a and 12b are in the Z-axis direction (that is, In the height direction), while being connected to the first and second shaft grooves 14a and 14b, respectively, while crossing at right angles to each other.

Referring to FIGS. 5A and 5B, the shaft joint 34 of the rotational arm is rotatably accommodated in the second shaft groove 14b of the flow bracket 10 formed along the Y-axis direction and is externally applied. (Or the force of an operator), it rotates about the virtual rotation axis y parallel to a Y-axis direction. By the rotation of the shaft joint 34, the rotary bar 32 of the rotary arm rotates or pivots in the direction of the arrow along the first guide groove 12a of the flow bracket 10 formed along the X-axis direction, The angle adjustment of the connecting device is made in one direction.

Referring to FIGS. 6A and 6B, the shaft joint 34 of the rotating arm is rotatably accommodated in the first shaft groove 14a of the flow bracket 10 formed along the X-axis direction and is externally applied. (Or the force of an operator), it rotates about the virtual rotation axis x parallel to an X-axis direction. By the rotation of the shaft joint 34, the rotary bar 32 of the rotating arm rotates or pivots in the direction of the arrow along the first guide groove 12b of the flow bracket 10 formed along the X-axis direction, thereby turning the rail. The angle adjustment of the connecting device is made in one direction.

As described above, the rail connection device 1 according to the present embodiment has a simple cross structure of the first and second shaft grooves 14a and 14b and a simple cross of the first and second guide grooves 12a and 12b corresponding thereto. By the structure, the rotation arm 20 can be angle-adjusted in various directions.

In addition, the connection device 1 according to the present embodiment has the advantage of having a simple structure and easy installation and dismantling operation, which will be described with reference to FIG. 7 as follows.

As shown in FIG. 7, the rotating bar 32 of the rotating arm passes through the guide grooves 12, 12 of the vertical flow brackets 10a, 10b (collectively 10) and is connected therewith. ), And in this state, the fasteners 35 and 35 fasten the shaft joints 34 and 34 to the ends of the rotary bar 32, thereby assembling the rotary arm 30. Then, in the process of assembling the rotary arm 30, the shaft joints 34 and 34 of the rotary arm 30 are received in the corresponding shaft grooves 14 and 14 of the flow brackets 10a and 10b, and the rotary arm 30 Rotation bar 32 of) is located in the guide groove 12, the assembly of the connecting device (1) is completed. In this state, when the two flow brackets 10a and 10b are fastened to two objects to be connected, for example, a rail and a support, the installation work and the rail work are completed.

8 shows one embodiment of a rotating arm 30 applicable to the present invention. Referring to FIG. 8, the rotating bar 32 of the rotating arm 30 is composed of an intermediate tube 322 and a pair of rods 324 and 324 screwed to both sides of the intermediate tube 322. do. By rotating the pair of rods 324, 324 about the intermediate tube 322, the ends of the rods 324, ie of the shaft joints 34, 34 connected to both ends of the rotary bar 32, are formed. You can change the location. By varying the relative position between the shaft joints (34, 34) in a 360 degree range, the above-described connecting device (1) is capable of adjusting the angle in more directions, thereby, various installation of the fence or rail structure Adapt well to the environment.

9 shows a part of a fence or handrail structure to which the connecting device 1 is applied according to an embodiment of the present invention. 9, the first flow bracket 10a of the rail connection device 1 is coupled to the railing rail 2, and the second flow bracket 10b of the rail connection device 1 is connected to the support 3. Combined. Between the first flow bracket 10a and the second flow bracket 10b, the rotary arm 30 is in an inclined state rotated by an angle from the horizontal state, whereby the rail of the rail connecting device 1 The bent portion of (2) is preferably connected.

10 is a front sectional view showing a rail connection device of a railing or a fence structure according to another embodiment of the present invention, Figure 11 is an exploded view showing the rail connection device shown in FIG.

10 and 11, the connection device 1 ′ according to the present embodiment includes a flow bracket 10, a fixing bracket 20 disposed opposite to the flow bracket 10, the flow bracket 10, and the fixing bracket. A rotating arm 30 connected between the 20.

The flow bracket 10 has the same structure as the flow bracket described in the previous embodiment, and includes a guide groove 12 and a shaft groove 14. The guide groove 12, like the previous embodiment, forms a right angle with another pair of guide grooves (not shown), and the shaft groove 14 also forms a right angle with another pair of shaft grooves (not shown). The rotary arm 30 includes a rotary bar 32 and a shaft joint 34 as in the previous embodiment, but unlike the previous embodiment, the shaft joint 34 is installed only at one end of the rotary bar 32. do. The other end of the rotating bar 32 is formed with a screw portion 37 is fastened to the fixing bracket 20 instead of the shaft joint 34 is installed.

As in the previous embodiment, the rotary arm 30 is rotatably accommodated in the shaft groove 14, and the rotation bar 32 is perpendicular to the shaft groove 14. While rotating along the guide groove 12, the angle is adjusted with respect to the flow bracket (10). Unlike the previous embodiment, since the other end of the rotary arm 30 is fixed to the fixing bracket 20 side, the angle adjustment is not made in the fixing bracket 20. However, the rotation bar 32 may be rotated with respect to the fixing bracket 20 within a 360 degree range, whereby the direction in which the angle of the connection device 1 ′ is adjusted may be variously selected.

 As best shown in FIG. 11, the rotating bar 32 of the rotating arm is positioned adjacent the shaft groove 14 past the guide groove 12 of the flow bracket 10, in which state the fastener 35 is The rotary arm 30 is assembled by fastening the shaft joint 34 to the upper end of the rotary bar 32. In addition, by rotating the lower screw portion 37 of the rotary bar 32 to the screw hole 22 of the fixing bracket 20, the rotating arm 30 is fixed to the fixing bracket 20.

As one example to which the present invention is applied, a connecting device applied to rail connection of a railing or a fence structure has been described, but the present invention can be used in any structure of various other types as well as the rail connection of the railing or fence structure as described above. It can be useful to connect between elements that need to be connected by adjusting the angle at.

10, 10a, 10b: flow bracket 12, 12a, 12b: guide groove
14, 14a, 14b: shaft groove 20: fixing bracket
30: rotating arm 32: rotating bar
34: shaft joint

Claims (12)

A rotary arm comprising a rotary bar and an axial joint coupled to one end of the rotary bar; And
And a shaft groove and a guide groove connected to each other up and down, wherein the shaft groove rotatably receives the shaft joint, and the guide groove includes a flow bracket for allowing the rotation bar to rotate. The method of claim 1,
The flow bracket includes a pair of shaft grooves crossing at right angles and a pair of guide grooves crossing at right angles to correspond to the pair of shaft grooves,
The shaft joint is selectively rotatably received in one shaft groove of the pair of shaft grooves,
And the rotating bar rotates along a guide groove formed in a direction crossing the shaft groove in which the shaft joint is accommodated. The method of claim 1,
And the guide groove has a width greater than a width of the rotation bar and less than a width of the shaft joint. The method of claim 1,
And the rotary arm is fastened to the end of the rotary bar by assembling a fastener through the shaft joint with one end of the rotary bar inserted into the guide groove. 2. The connecting device according to claim 1, wherein the shaft joint comprises an arcuate shaft curved surface, and the shaft groove comprises an arcuate bearing curved surface corresponding to the shaft curved surface.  The connecting device of claim 1, wherein the rotating bar includes an intermediate tube and a rod rotatably coupled to the intermediate tube, and the shaft joint is coupled to an end of the rod. 7. The method according to any one of claims 1 to 6,
The rotating arm further includes a shaft joint that is paired with the shaft joint at the other end of the rotating bar,
And a pair of flow brackets paired with the flow brackets so as to correspond to the pair of shaft joints. 7. The method according to any one of claims 1 to 6,
Further comprising a fixing bracket, the other end of the rotary bar is connected to the fixing bracket characterized in that fastened to the fixing bracket. A rotation arm including a rotation bar and a pair of shaft joints coupled to both ends of the rotation bar, each shaft joint having a shaft curved surface; And
A pair of flow brackets having a pair of shaft grooves crossing each other and a pair of guide grooves crossing each other so as to be connected vertically;
The shaft joint is selectively rotatably received in one shaft groove of the pair of shaft grooves,
And the rotating bar rotates along a guide groove formed in a direction crossing the shaft groove in which the shaft joint is accommodated. The shaft joint of claim 9, wherein the shaft joint comprises an arcuate axial curved surface, and the shaft groove comprises an arcuate bearing curved surface corresponding to the axial curved surface, wherein the shaft joint is within an angle range within the axial curved surface. Rotatable in
And the rotating bar includes an intermediate tube and a rod rotatably coupled to the intermediate tube, wherein the shaft joint is coupled to an end of the rod. A rotation arm including a rotation bar and a pair of shaft joints coupled to one end of the rotation bar, each shaft joint having a shaft curved surface; And
A pair of flow brackets configured to vertically connect a pair of shaft grooves crossing each other and a pair of guide grooves crossing each other; And
It includes a fixing bracket for fixing the other end of the rotary bar,
The shaft joint is selectively rotatably received in one shaft groove of the pair of shaft grooves,
And the rotating bar rotates along a guide groove formed in a direction crossing the shaft groove in which the shaft joint is accommodated. 12. A connecting device according to claim 11, wherein the shaft joint comprises an arcuate axial curved surface, and the shaft groove comprises an arcuate bearing curved surface corresponding to the axial curved surface.

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