TWI479297B - Pivot mechanism - Google Patents

Description

Pivoting mechanism

The present invention relates to a pivoting mechanism, and more particularly to a pivoting mechanism having a simple operation.

A desktop display is typically placed on a table top by a support frame having a hinge. Since the pivoting mechanism is a mechanism that can be rotated, the user can adjust the display screen to obtain the best viewing angle.

However, the conventional pivoting mechanisms are mostly torsion or gears, which are not only easy to wear in use, but are usually only able to rotate to a specific angle, which is quite inconvenient for the user.

It is an object of the present invention to provide a pivoting mechanism that uses a pivoting mechanism that is easy to operate to improve flexibility in angle adjustment.

The pivoting mechanism of the present invention is disposed between the base and the carrier and includes a rotating member, a limiting member and a fixing member. The rotating member simultaneously pivots the base and the carrier and is rotatable relative to the base, and has a first roughened surface, the limiting member has a second roughened surface opposite to the first roughened surface, and is pivotally connected to the base The fixing member is pivotally connected to the limiting member. Adjusting the position of the fixing member such that the second roughening surface on the limiting member abuts or is away from the first roughening surface, and when the two are pressed against the pressing to generate friction or even large enough to make the rotating member unable to rotate, The bearing seat connected to the rotating member achieves the purpose of locking; when the two are far apart until the frictional force is weakened until the rotating member can be loosened, the rotating seat and the carrier can be freely rotated to adjust the angle.

The surface pattern of the first roughened surface and the second roughened surface may be arbitrarily designed as long as it can provide sufficient friction to fix the two when pressed against each other.

In an embodiment of the invention, the material of at least one of the limiting member and the rotating member comprises a plastic material, such as rubber.

In an embodiment of the present invention, the fixing member may be further composed of a fastening portion and a connecting portion, wherein the fastening portion has a fastening end, and the other end opposite to the fastening end is pivotally connected to the base; One end of the part is pivotally connected to the limiting piece, and the other end is pivotally connected to the body of the fastening part.

It can be seen from the above that when the pivoting mechanism is used, only the fixing member needs to be pulled to abut the second roughening surface on the limiting member or away from the first roughening surface on the rotating member, and the fixed or stepless adjustment can be performed. The angle of inclination of the carrier relative to the base to meet the needs of the user in various situations.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

The application of the support frame as the pivoting mechanism of the present invention will be hereinafter described, but the present invention is not limited thereto.

1 is a schematic view of a support frame in accordance with an embodiment of the present invention. Referring to FIG. 1 , the support frame 100 includes a pivot mechanism 200 , a base 300 , and a carrier 400 . The pivoting mechanism 200 is pivotally connected to the base 300 and the carrier 400, so that the carrier 400 can be rotated or fixed at an angle with respect to the base 300. The carrier 400 can be pivoted to the base 300 by one or more pivoting mechanisms 200. In the present embodiment, only one pivoting mechanism 200 is pivotally coupled to the base 300.

In detail, the carrier 400 is used to carry an item such as a display (not shown), and the support frame 100 is the support base of the display. In other embodiments, the support frame 100 to which the segmentless angle adjustment pivot mechanism 200 of the present invention is applied may also be a reading frame for placing a book or a stand for placing other items.

2A is a partially exploded perspective view of a support frame in accordance with an embodiment of the present invention. Referring to FIG. 2A , the pivot mechanism 200 includes a rotating member 210 , a limiting member 220 , and a fixing member 230 . The rotating member 210 is pivotally connected to the base 300 and connected to the bearing base 400 to drive the bearing base 400 to rotate relative to the base 300. In detail, the carrier 400 has a connecting shaft 410, and the rotating member 210 has a shaft hole 219 and a coupling shape of the connecting shaft 410, and the base 300 has a pivot hole 330. The connecting shaft 410 is disposed on the pivot hole 330, and the rotating member 210 is sleeved on the connecting shaft 410 by the shaft hole 219 to drive the bearing base 400 to rotate.

In the above, the rotating member 210 has a first roughened surface 211. As shown in FIG. 2A, the rotating member 210 is composed of a rotating wheel 212 and a crawler belt 214, and the crawler belt 214 is sleeved on the rotating wheel 212 and the first surface 213 thereof. Here, the outer surface of the crawler belt 214, that is, the first roughened surface 211 of the rotating member 210 is, for example, an annular roughened surface.

The embodiment may further include that the inner surface of the track 214 has a plurality of ribs 217, and the first surface 213 of the rotating wheel 212 has a plurality of grooves 218 engageable with the ribs 217. In addition, the rotating member 210 at this time may further include a wheel frame 216 sleeved between the rotating wheel 212 and the track 214 for increasing the fastening ability of the track 214 and the rotating wheel 212 when rotating, and avoiding slippage. The wheel frame 216 has a plurality of strip openings 215 through which the ribs 217 of the track 214 snap into the recess 218 of the rotating wheel 212. In this way, the crawler belt 214 can be fixed to the rotating wheel 212 to rotate in synchronization with the rotating wheel 212.

Referring to FIG. 2A again, the limiting member 220 has a first connecting end 221 , a first pivoting end 223 , and a second roughening surface 222 between the first connecting end 221 and the first pivoting end 223 . The first pivoting end 223 is inserted into the pivot hole 320 of the base 300 by the latch 225, so the limiting member 220 can be rotated relative to the base 300. The fixing member 230 is connected to the limiting member 220 and is inserted into the pivot hole 310 of the base 300 by the latch 235. Therefore, the limiting member 220 can be rotated relative to the base 300 to rotate the second limiting surface 222. Abutting the first roughened surface 211 or away from the first roughened surface 211.

In order to make the second roughened surface 222 and the first roughened surface 211 abut against each other to increase the frictional force, the curvature of the second roughened surface 222 is, for example, a curve similar to the first roughened surface 211. degree. In the present embodiment, the first roughened surface 211 is, for example, an annular surface, and the second roughened surface 222 is an arcuate surface corresponding to the first roughened surface 211. On the other hand, the first roughened surface 211 of the rotating member 210 has, for example, a plurality of first protruding patterns 211a, and the second roughened surface 222 of the limiting member 220 has, for example, a plurality of second protruding patterns 226. In the present embodiment, the first protrusion patterns 211a are, for example, continuous strip patterns arranged in parallel with each other.

At least one of the rotating member 210 and the limiting member 220 is made of rubber or other plastic material. Therefore, when the rotating member 210 rotates and the fixing member 230 and the limiting member 220 move relative to the base 300, the rotating member 210 The first roughening surface 211 and the second roughening surface 222 abut each other, thereby increasing the friction between the first roughening surface 211 and the second roughening surface 222. The rotation of the rotating member 210 is stopped to maintain the rotation angle of the carrier 400.

In another embodiment of the present invention, as shown in FIG. 2B, the rotating wheel 212, the track 214 and the wheel frame 216 are integrally formed members to form the rotating member 210a of this embodiment. The first protrusion patterns 211b on the first roughened surface 211 thereof are, for example, arranged in an array.

The protrusion pattern on the roughened surface, although the first protrusion pattern 211a of FIG. 2A and the first protrusion pattern 211b of FIG. 2B are regularly arranged on the first roughened surface 211, it is only a part of the embodiment of the present invention. In practice, the present invention does not limit the size, shape, and arrangement of the protrusion patterns on the first roughened surface 211 or the second roughened surface 222. The user can select the rotating member 210 or the limiting member 220 according to requirements. The material is modified to provide sufficient friction between the first roughened surface 211 and the second roughened surface 222 when the rotating member 210 and the limiting member 220 are pressed against each other to fix the rotating member 210 and the limit. The relative position of the piece 220.

Referring to FIG. 2A and FIG. 2B again, the fixing member 230 of the embodiment may include a connecting portion 232 and a fastening portion 234, wherein the fastening portion 234 has a fastening end 234a and a second pivot end 234b, and the connecting portion 232 Then there is a second connecting end 232a and a third pivoting end 232b. The latching end 234a and the second pivoting end 234b of the latching portion 234 are opposite ends of the latching portion 234, and the second pivoting end 234b is pivotally connected to the base 300 by the latch 235. The second connecting end 232 a of the connecting portion 232 is connected to the first connecting end 221 of the limiting member 220 , and the third pivoting end 232 b is pivotally connected between the two ends of the engaging portion 234 . When the second pivoting end 234b of the engaging portion 234 is pivotally moved relative to the base 300 with the pin 235 as an axis, the connecting portion 232 and the connected limiting member 220 thereof are moved toward or away from the rotating member 210. 210.

3 is a partial cross-sectional view showing a state in which a rotating member and a limiting member abut against each other in an embodiment of the present invention. Referring to FIG. 2A and FIG. 3 simultaneously, when the first roughened surface 211 and the second roughened surface 222 abut each other, the first protruding pattern 211a and the second protruding pattern 226 are pressed against each other, and one of the first protruding patterns 211a Part may be squeezed between adjacent second protrusion patterns 226, whereas second protrusion patterns A portion of 226 may be squeezed between adjacent first protrusion patterns 211a. At this time, the rotating member 210 can be locked by the urging force applied to the first protruding pattern 211a and the second protruding pattern 226, thereby fixing the inclination angle of the carrier 400 of FIG.

Refer to Figure 1 and Figures 4A, 4B, and 4C for the operation method. As shown in FIG. 4A, when the fastening portion 234 of the fixing member 230 has not been fastened to the base 300, the limiting member 220 and the rotating member 210 are not in contact with each other, and the bearing base 400 can be rotated relative to the base 300. The angle to which you want to tilt. Referring to FIG. 1 and FIG. 4B , when the angle of inclination of the bearing base 400 is to be fixed, the second pivoting end 234 b of the engaging portion 234 is pivotally connected to the base 300 through the latch 235 , so that the engaging portion 234 can be pulled to The limiting member 220 that drives the connecting portion 232 and its connection moves toward the rotating member 210. Finally, referring to FIG. 4C and FIG. 5 , the fastening portion 234 is fastened to the rotating member 210 or the base 300 is adjacent to the outer edge of the rotating member 210 , and the first roughened surface 211 abuts the second roughened surface 222 . The tilt angle of the carrier 400 can be locked.

In summary, the pivoting mechanism of the present invention drives the limiting member to pivot by the fixing member, so that the limiting member approaches and contacts the rotating member toward the rotating member, and the friction between the two is achieved. Lock the purpose of the rotating piece. Alternatively, the fixing member can also drive the limiting member to pivot away from the rotating member, and the rotating member can drive the connected component to rotate. Therefore, in the support frame using the pivoting mechanism, only the fixing member needs to be pulled to be engaged with the rotating member, so that the relative base tilt angle of the bearing seat can be fixed. Similarly, if you want to adjust the tilt angle of the carrier, you only need to pull the fixing member to make the buckle part loose. You can use the rotating part to drive the bearing seat to make a segmentless angle adjustment to meet the user's various situations. The next demand. Since the limiting member and the rotating member are not in contact with each other when the bearing seat is adjusted, the invention can reduce the wear degree of the component, thereby prolonging the service life of the pivoting mechanism.

While the present invention has been described in its preferred embodiments, the present invention is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

100. . . Support frame

200. . . Pivoting mechanism

210, 210a. . . Rotating piece

211. . . First roughened surface

211a, 211b. . . First protrusion pattern

212. . . Rotating wheel

213. . . First surface

214. . . track

215. . . Opening

216. . . Wheel frame

217. . . Rib

218. . . Groove

219. . . Axial hole

220. . . Limiter

221. . . First connection

222. . . Second roughened surface

223. . . First pivot end

225, 235. . . plug

226. . . Second protrusion pattern

230. . . Fastener

232. . . Connection

232a. . . Second connection

232b. . . Third pivot end

234. . . Buckle

234a. . . Buckle end

234b. . . Second pivot end

300. . . Pedestal

310, 320, 330. . . Pivot hole

400. . . Carrier

410. . . Connecting shaft

1 is a schematic view of a support frame in accordance with an embodiment of the present invention.

2A is a partially exploded perspective view of a support frame in accordance with an embodiment of the present invention.

2B is an exploded perspective view of the pivoting mechanism of the present invention in another embodiment.

3 is a partial cross-sectional view showing a state in which a rotating member and a limiting member abut against each other in an embodiment of the present invention.

4A-4C are schematic diagrams showing an operation flow of a pivoting mechanism according to an embodiment of the present invention.

Figure 5 is a schematic view of the support frame of Figure 1 in a locked state.

100. . . supporting item

210. . . Rotating piece

211. . . First roughened surface

211a. . . First protrusion pattern

212. . . Rotating wheel

213. . . First surface

214. . . track

215. . . Opening

216. . . Wheel frame

217. . . Rib

218. . . Groove

219. . . Axial hole

220. . . Limiter

221. . . First connection

222. . . Second roughened surface

223. . . First pivot end

225, 235. . . plug

226. . . Second protrusion pattern

230. . . Fastener

232. . . Connection

234. . . Buckle

300. . . Pedestal

310, 320, 330. . . Pivot hole

400. . . Carrier

410. . . Connecting shaft

Claims (9)

A pivoting mechanism includes: a rotating member pivotally connected to a base for rotating relative to the base, wherein the rotating member comprises: a rotating wheel having a first surface; and a crawler strap disposed on the The first surface is covered by the rotating wheel, wherein the outer surface of the track is a first roughened surface; a limiting member has a first pivoting end, a first connecting end and a second roughening surface, The second roughening surface is located between the first pivoting end and the first connecting end, and the first pivoting end is pivotally connected to the base relative to the first roughening surface, so that the limit is The positioning member is adapted to rotate relative to the base; and a fixing member has a connecting portion, the connecting portion has a second connecting end connected to the first connecting end of the limiting member, and is pivotally connected to the base The limiting member is pivoted by the fixing member to make the second roughening surface abut against or away from the first roughening surface. The pivoting mechanism of claim 1, wherein the first surface has a plurality of grooves, the inner surface of the track has a plurality of ribs, and the ribs respectively engage with the grooves . The pivoting mechanism of claim 1, wherein the first roughened surface has a plurality of first protrusion patterns, and the second roughened surface has a plurality of second protrusion patterns, when the first roughening When the surface abuts the second roughened surface, a portion of the first protruding patterns and a portion of the second protruding patterns are pressed against each other. The pivoting mechanism of claim 3, wherein the first protrusion patterns comprise a strip pattern. The pivoting mechanism of claim 4, wherein the first protrusion patterns are arranged parallel to each other. The pivoting mechanism of claim 1, wherein the material of the at least one of the limiting member and the rotating member comprises a plastic material. The pivoting mechanism of claim 6, wherein the material of the at least one of the limiting member and the rotating member comprises rubber. The pivoting mechanism of claim 1, wherein the fixing member further comprises: a fastening portion having a second pivoting end and a fastening end, the second pivoting end pivotally connected to the base The fastening end is adapted to be fastened to the rotating member, wherein the connecting portion has a third pivoting end, and the third pivoting end is pivotally connected to the engaging portion. The pivoting mechanism of claim 1, wherein the first roughened surface is an annular surface, and the second roughened surface is an arcuate surface corresponding to the first roughened surface.