KR101011267B1 - A sliding appatatus for rail - Google Patents

Abstract

A support bracket to which the curtain member is connected and supported; A roller unit slidable along the rail; A connection unit connecting the support bracket to the roller unit, the connecting unit being capable of adjusting a distance between the roller unit and the support bracket, the connection unit comprising: a movable screw member movably supported by the support bracket; Disclosed is a slide device for a rail, comprising: a fixed bar that is screwed with a movable screw member and is adjustable in height according to a screwing degree and fixed to a roller unit.

Curtain, slide, rail, roller, bearing, rotary shaft

Description

Slider device for rails {A SLIDING APPATATUS FOR RAIL}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rail slider device, and more particularly, to a rail slider device that is movable along a rail while supporting curtains, blinds, and the like provided in a window.

In general, a curtain member or a blind for blocking a room from the outside is installed inside the window so as to be driven in a horizontal or vertical manner.

The curtain member must move a part of the curtain member to the left, right direction or up and down direction to adjust the illuminance of the room, and thus the slider device for the rail is used to smoothly move the curtain member. It is becoming.

That is, the rail is provided on the ceiling, and the slide device is movable along the rail, and the rail slider for supporting the curtain member or the blind is provided, thereby providing the weight of the curtain member or the blind (hereinafter collectively referred to as curtain member). It can be moved smoothly regardless.

1, 2A, 2B, and 2C, a diagram showing a conventional slider slider for a rail, which is coupled to the support bracket 10 and the support bracket 10 for supporting the curtain member; A detachable connection member 20 and a roller unit 30 connected to the upper end of the connection member 20 and movable along the rail 1 are provided.

A long hole 11 is formed at the center of the support bracket 10 to which the connection member 20 is fitted. Therefore, in the state shown in the virtual line of Figure 2b, the connecting member 20 is moved in the direction of the arrow is moved to the inside of the long hole 11, it is installed rotatably on the upper surface of the support bracket (10) When the release preventing member 40 is rotated and positioned in the same state as in FIG. 2A, the connecting member 20 is not released from the long hole 11. The release preventing member 40 has an arc-shaped guide hole 41, the guide hole 41 is guided along the guide pin 13 formed on the support bracket 10, thereby preventing the release preventing member 40 It can be rotated on the support bracket (10). And the separation prevention member 40 has an open groove 43 to the one side, so that when the open groove 43 is positioned to match the long hole 11 of the support bracket 10, the connecting member 20 is also shown in FIG. 2a and 2b, the support bracket 10 is rotated again so that the connection member 20 is not separated.

A pair of flange portions 21 and 22 are formed below the connecting member 20 so as to be spaced apart by a predetermined distance, so that the connecting member 20 is stably coupled between the support bracket 10 and the separation preventing member 40. Support as much as possible. And the upper portion of the connecting member 20 is coupled to the roller unit 30.

The roller unit 30 is rotated by a fixed block 31, a pair of fixed shafts 32 installed on the fixed block 31, and bearings 33 at both ends of the fixed shaft 32, respectively. It is provided with a roller 34 which is possibly supported.

According to the above configuration, in the state in which the roller 34 is caught and supported by the rail 1, the curtain member connected to the support bracket 10 can be moved by moving along the rail 1.

However, the conventional slider slider for rails has the following problems. That is, since the separate separation preventing member 40 must be further installed in order to separate and separate the connecting member 20, the cost increases because of the large number of parts and the configuration.

In addition, as the lower end of the connecting member 20 is supported by a pair of flange portions 21 and 22, the interval between the flange portions 21 and 22, the support bracket 10 and the separation preventing member 40 By the play between the thickness of the), the connection member 20 is shaken, it is difficult to maintain a stable posture.

In addition, when applied to a curtain member weighing a lot, a large load is applied to the roller 34, a failure may occur due to wear or deformation of the roller 34. In this case, the roller 34 or the like should be repaired, but since the bearings are installed for each of the four rollers 34, the separation work is cumbersome, and the replacement and coupling work is difficult. In addition, since the bearing 33 is provided for each roller 34, a total of four bearings are required, which also causes a problem of cost increase.

In addition, in order to adjust the amount of fastening between the connection member 20 and the fixed block 31, the threaded connection member 20 must be rotated, and the flange portion 22 to have an angled configuration, such as bolts, the plan It is necessary to rotate the branch 22, the operation is inconvenient problem.

The present invention has been made in view of the above, and more specifically, the number of parts is reduced, the configuration is simple, easy to assemble and disassemble, improved rail slide device for improving the structural stability and reliability The purpose is to provide.

Slide rail device of the present invention for achieving the above object, the curtain member is connected to the support bracket is supported; A roller unit slidable along the rail; A connection unit connecting the support bracket to the roller unit, the connection unit being capable of adjusting the distance between the roller unit and the support bracket, wherein the connection unit comprises: a movable screw member movably supported by the support bracket; And a fixing bar which is screwed to the movable screw member and is adjustable in height according to the degree of screwing and fixed to the roller unit.

Here, the connection unit, the holder member is inserted into the long hole formed in the support bracket is seated and supported, the holder member having a coupling hole is inserted and supported by the movable screw member; It is preferable to further include a stopper member screwed to the holder member to prevent the holder member from being separated from the long hole.

In addition, the support bracket, the insertion portion is inserted into the holder member is passed through, the coupling portion formed in a smaller width than the insertion portion connected to the insertion portion to prevent falling out of the opposite direction in which the holder member is inserted, And a long hole having a seating jaw formed at the edge of the coupling part to prevent the holder member from being rotated in a seated state.

In addition, the holder member, the coupling hole is formed to penetrate up and down, the outer periphery of the body portion is formed with a screw thread screwed to the stopper member; It is extended to the lower end of the body portion is formed to be seated on the seating jaw; having an outer surface and the inner surface of the seating jaw is formed in a non-circular, it is preferable to prevent the rotation of the holder member.

In addition, the coupling hole formed in the holder member, a straight hole connected to a constant inner diameter at the top; It is preferable to have an expansion hole extending from the straight hole to the lower end of the holder member to support the head of the movable screw member to be movable.

In addition, the fixing bar, the first coupling portion is formed with a screw line on the outer circumference to be screwed to the roller unit; A second coupling part extending downward from the first coupling part and formed at a predetermined depth from a lower end thereof, and having a screw line formed therein at an inner circumference thereof to which the movable screw member is screwed; And a nut-shaped head portion formed at the lower end of the second coupling portion, the outer surface of which is formed in a non-circular shape.

The roller unit may further include: a fixing block having a coupling hole to which the fixing bar is coupled to penetrate up and down, and having a pair of shaft holes in a horizontal direction with the coupling hole therebetween; A rotating shaft coupled to the shaft hole; A bearing installed in the shaft hole to rotatably support the rotating shaft; It is preferable that the roller wheels are fixed to each of both ends of the rotating shaft and rotated together with the rotating shaft.

According to the slide device for a rail according to the embodiment of the present invention, the number of parts can be reduced compared to the prior art, it is possible to reduce the manufacturing cost, it is possible to improve the assembly and productivity.

In addition, since the configuration is simple and easy to assemble and release, there is an advantage that can reduce the maintenance cost, such as troubleshooting.

In addition, the combination and assembly state is solid and stable, there is an advantage that can prevent the degradation of reliability due to errors and the like.

Hereinafter, a rail slide device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3, 4, and 5, the slide device for a rail according to the embodiment of the present invention includes a support bracket 100 to which the curtain member 90 is connected and supported, and a sliding movement along the rail 1. Possible roller unit 200 and a connecting unit 300 for connecting the roller unit 200 and the support bracket 100.

As shown in FIGS. 6A and 6B, the support bracket 100 has a long hole 110 formed at a central portion thereof. The long hole 110 is an insertion portion 111 formed to pass through the holder member 330 to be described later in the upper direction (A1) from the top, as shown in Figure 6b, and the holder member 330 is connected to the insertion portion 111 Is formed at the position to be coupled after moving in the horizontal direction (A2) and the engaging portion 112 formed in a smaller width than the insertion portion 111, and the seating jaw is formed to be stepped to extend to the lower edge of the coupling portion 112 Has (113). The insertion portion 111 is formed in a shape and width (width) corresponding to the expansion portion 333 so that the expansion portion 333 of the holder member 330 having a non-circular planar shape can pass therethrough. The coupling part 112 is formed to have a smaller width (width) than the expansion part 333, that is, a smaller width (width) than the insertion part 111 so that the expansion part 333 is not separated from the upper direction A3. Therefore, in the state where the holder member 330 is moved to the coupling portion 112 is not separated in the A3 direction. The seating jaw 113 is introduced into the predetermined depth from the lower surface of the support bracket 100, it is formed stepped in a shape extending in a wider width than the coupling portion (112). In addition, the mounting jaw 113 has a non-circular planar shape as shown in FIG. 6A, and is formed in a shape corresponding to the planar shape of the extension 333 of the holder member 330 and a corresponding area. Therefore, when the holder member 330 is horizontally moved in the A2 direction in the state of FIG. 6B and slightly moved in the A3 direction, the extension part 333 of the holder member 330 is inserted into the seating jaw 113 and compressed. The state becomes as in 5, and rotation of the holder member 330 is suppressed in this state.

Holes 120 for coupling with the curtain member 90 are formed at both ends of the support bracket 100.

The roller unit 200 is provided with a fixed block 210, a rotating shaft 220, a bearing 230 and a roller wheel 240.

The fixed block 210 has a coupling hole 211 penetrated in the up and down direction, and a pair of shaft holes 212 penetrating in the horizontal direction on both sides symmetrically with the coupling ball 211 interposed therebetween. Fixing bar 310 to be described later is coupled to the coupling hole 211 is fixed. Here, the coupling hole 211 may be further provided with a fastening medium 213 of a resin material in order to increase the screwing force with the fixing bar 310.

The bearing 230 is pressed into the shaft hole 212 is coupled. The rotating shaft 220 is rotatably coupled to the bearing 230. The bearing 230 is preferably a roll bearing. Therefore, since only one bearing 230 may be installed in each shaft hole 212, the total number of bearings can be reduced as compared with the related art.

The roller wheels 240 are pressed into and coupled to each of both ends of the rotation shaft 220. Four roller wheels 240 are provided as a whole, and are fixed to the rotating shaft 220 is rotated integrally. As such, the rotating shaft 220 and the roller wheel 240 are integrally rotated so as to be integrally coupled, and thus, there is no need to install a bearing between the rotating shaft 220 and the roller wheel 240 as in the prior art, so that the coupling is simple. In addition, when it is necessary to replace due to wear of the roller wheel 240, etc., the separation of the roller wheel 240 and the rotating shaft 220 is easier than the prior art, there is an advantage that the repair cost is reduced.

The connection unit 300 includes a movable screw member 310, a fixing bar 320, a holder member 330, and a stopper member 340.

The movable screw member 310 includes a screw body 311 having a screw line formed on an outer circumference thereof, and a head 313 extending from a lower end of the screw body 311. The head portion 313 is tapered in a rounded surface in contact with the holder member 330, thereby providing a clearance (gap) that is relatively movable between the holder member 330 and the movable screw member 310. It can be provided.

The fixing bar 320 has an upper end coupled to the fixing block 310 and the lower end coupled to the movable screw member 310. Specifically, the fixing bar 320 is extended to the lower side of the first coupling portion 321 and the first coupling portion 321 formed with a screw thread on the outer circumference to be screwed to the coupling hole 211 of the fixing block 310 It has a second coupling portion 322 is formed to a predetermined depth from the screw thread formed in the inner circumference, and the nut-shaped head 323 is formed extended to the lower end of the second coupling portion 322. The body 311 of the movable screw member 310 is screwed to the second coupling portion 322, and the distance between the support bracket 100 and the roller unit 200 can be adjusted according to the coupling degree. And the nut-shaped head 323 is formed in a non-circular shape, that is, a polygonal shape, such as a nut, it is possible to rotate the fixing bar 320 using a fastening tool such as a spanner.

Referring to FIG. 7, the holder member 330 may include a body part 331 having a thread line through which the stopper member 340 is screwed on an outer circumference thereof, and an extension part 333 extended to a lower end of the body part 331. ) The body portion 331 is formed so that the coupling hole 332 through which the movable screw member 320 is fitted to be coupled up and down. The coupling hole 332 is a straight hole 332a connected to a constant inner diameter at the upper end of the body portion 331 and an expansion hole 332b extending in a hemispherical shape from the straight hole 332a to the end of the expansion part 333. Has The inner diameter of the straight hole 332a is formed to a size such that the movable screw member 310 can be fitted with a clearance. The expansion hole 332b is extended in a hemispherical shape to correspond to the surfaces of the head 313 of the fixing screw member 310 facing each other. Therefore, the fixed screw member 310 and the head 313 can be relatively moved in contact with each other.

In addition, the expansion portion 333 is formed in a shape that corresponds to the non-circular shape, that is, the seating jaw 113 of the support bracket 100. Therefore, as described above with reference to FIGS. 6A and 6B, the expansion part 333 may pass through the insertion part 111 of the long hole 110 in the A1 direction, and the seating jaw 113 may be moved in the A2 direction. As the expansion part 333 is mounted on the holder member 330, the holder member 330 is not separated in the A3 direction. In addition, since the seating jaw 113 and the expansion part 333 have a non-circular planar shape, the holder member 330 is not freely rotated in a state in which the holder member 330 is coupled to the support bracket 100, and thus the insertion part 111 is inserted into the insertion part 111. Movement is also suppressed.

The stopper member 340 is screwed to the outer circumference of the body 331 in a state in which the holder member 330 is positioned at the coupling portion 112 of the long hole 110. And by the screwing force of the stopper member 340 serves to hold the expansion portion 333 of the holder member 330 to maintain a seated state on the seating jaw 113. Therefore, when the stopper member 340 is screwed to the body 331 in a state in which the expansion part 333 is seated on the seating jaw 113, the holder member 330 does not rotate as shown in FIG. 5. To be able to be stably coupled to the support bracket (100).

When the movable screw member 310 is screwed to the fixing bar 320 fixed to the fixing block 210 in the state where the coupling hole 332 is passed from the lower portion of the holder member 330, the assembly is performed. Is done.

As described above, according to the rail slide device according to the embodiment of the present invention, since the number of parts is smaller than in the prior art, the manufacturing cost is reduced, and assembling is simple, the productivity can be increased.

In addition, since it is easy to remove and release after assembly, it is easy to maintain and increase structural stability and reliability.

1 is a perspective view showing a slide device for a conventional rail.

Figure 2a is a plan view showing a support bracket of Figure 1;

FIG. 2B is a sectional view of the slide device for a rail shown in FIG. 1. FIG.

Figure 2c is a sectional view showing the roller unit shown in FIG.

Figure 3 is a perspective view showing a slide device for a rail according to an embodiment of the present invention.

Figure 4 is an exploded perspective view of the slide device for a rail shown in Figure 3;

FIG. 5 is a cross-sectional view of the slide device for rails shown in FIG. 3.

Figure 6a is a plan view of the support bracket shown in FIG.

FIG. 6B is a cross-sectional view taken along the line II of FIG. 6A. FIG.

7 is a sectional view showing the holder member shown in FIG.

<Description of Symbols for Main Parts of Drawings>

1. Rail 100. Support bracket

110..Song 200..Roller unit

210. Fixed block 220. Rotating shaft

230 .. Bearing 240 .. Roller Wheel

300. Connection unit 310. Moving screw member

320 .. Fixed bar 330. Holder member

340. Stopper members

Claims (7)

A support bracket to which the curtain member is connected and supported; A roller unit slidable along the rail; And a connection unit connecting the support bracket to the roller unit and capable of adjusting a gap between the roller unit and the support bracket. The connection unit, A movable screw member movably supported by the support bracket; And a fixed bar which is screwed to the movable screw member and is adjustable in height according to the degree of screw coupling and fixed to the roller unit. The fixing bar, A first coupling part having a screw line formed on an outer circumference thereof so as to be screwed to the roller unit; A second coupling part extending downward from the first coupling part and formed at a predetermined depth from a lower end thereof, and having a screw line formed therein at an inner circumference thereof to which the movable screw member is screwed; And And a nut-shaped head portion which is extended at a lower end of the second coupling portion and has an outer surface of a non-circular shape. The method of claim 1, wherein the connection unit, A holder member inserted into a long hole formed in the support bracket, the holder member having a coupling hole into which the movable screw member is inserted and supported; And a stopper member screwed to the holder member to prevent the holder member from being separated from the long hole. The method of claim 2, wherein the support bracket, An insertion portion inserted through the holder member, a coupling portion connected to the insertion portion and having a smaller width than the insertion portion to prevent the holder member from falling in the opposite direction in which the holder member is inserted, and a stepped edge of the coupling portion And a long hole having a seating jaw formed therein to prevent the holder member from being rotated in a seated state. The method of claim 3, wherein the holder member, A body portion having a threaded line through which the coupling hole penetrates up and down, and wherein the stopper member is screwed to the outer circumference; Has an expansion portion formed on the lower end of the body portion is seated on the seating jaw; The outer surface of the expansion portion and the inner surface of the seating jaw is formed in a non-circular shape, the slide device for a rail, characterized in that to prevent the rotation of the holder member. The method of claim 3, wherein the coupling hole formed in the holder member, A straight hole connected at a top with a constant inner diameter; And an expansion hole extending in a hemispherical shape from the straight hole to the lower end of the holder member to support the head of the movable screw member to be movable. delete The roller unit according to any one of claims 1 to 5, wherein A fixing block having a coupling hole to which the fixing bar is coupled to penetrate upward and downward, and having a pair of shaft holes in a horizontal direction with the coupling hole therebetween; A rotating shaft coupled to the shaft hole; A bearing installed in the shaft hole to rotatably support the rotating shaft; And a roller wheel fixed to each of both ends of the rotating shaft, the roller wheel being rotated together with the rotating shaft.

Images