TWI327051B - Height-adjusting mechanism - Google Patents

Description

1327051 22749twf.d〇c/e IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to an adjustment mechanism, and more particularly to a height adjustment mechanism. [Prior Art] The biggest difference between a portable computer and a traditional desktop computer is that it is portable, and the brain is light and short. It makes the computer maker (4) easy to carry, and provides users with the convenience of computer operation in various environments. Sex. However, in terms of the two aspects, the portable computer is also limited by its light and short 5 sap requirements. Its functions and extensions cannot be compared with desktop computers with large space. In view of this, the prior art proposes a docking station which has a connector. Users can connect peripheral devices such as mouse, printer external hard disk, network interface card (netw〇rkinterfacecard, NIC or scanner) to this docking station for a long time. When user f wants to make material Wei When the device is connected, it is only necessary to connect the portable computer to the docking station, so that the portable computer can be electrically connected to some peripheral devices. Thus, the user can enjoy the lightness of the portable computer. By extending the base, the user can be relieved of the burden of the portable electric riding peripheral device, and at the same time enjoy the functionality and expandability of the desktop computer. However, when the portable computer is placed on the expansion base When you sit on the seat, the extension of the conventional technology can not be difficult to ride to meet the * with the user

<S 5 1327051 22749twf.doc/e Usage requirements' is that the user must flip the docking station to turn the adjustment knob to adjust the tilt angle of the docking station to cause user inconvenience. Therefore, the expansion base of the prior art is necessary for improvement. SUMMARY OF THE INVENTION The present invention provides a height adjustment mechanism that allows a user to conveniently adjust the height. The present invention proposes a height adjustment mechanism that is suitable for use in a docking station having a housing. The docking station is disposed on a carrying surface by the height adjusting mechanism. The adjusting mechanism includes an adjusting block, a rotating shaft, an elastic member and an adjusting handle. The adjustment block has a first surface and a second surface that are in contact with each other. The rotating shaft is pivoted in the housing and passes through the adjusting block, wherein the first surface and the second surface are respectively parallel to the rotating shaft, and the first surface and the rotating shaft are maintained at a first distance, and the first surface and the rotating shaft are maintained different from the first distance A second distance elastic member is disposed between the adjusting block and the housing, and the adjusting handle is disposed outside the housing and connected to the rotating shaft. The first surface contacts the load bearing surface when the adjustment handle is in a first position, and the second surface contacts the load bearing surface when the adjustment handle is rotated from the first position to the second position. In an embodiment of the present invention, the elastic member may be a spheroidal spring. In an embodiment of the present invention, the elastic member may be sleeved on the rotating shaft. In an embodiment of the present invention, the above The adjustment handle has/recesses, and the adjustment handle is sleeved on the rotating shaft by the concave hole. 1327051 22749twfdoc/e In an embodiment of the invention, the height adjustment mechanism further includes a screw, and the adjustment handle is fixed to the rotating shaft by a screw.

In the embodiment of the present invention, the height adjustment mechanism further includes a first positioning portion and a plurality of second positioning portions. The first positioning portion is disposed on the adjustment handle. The second positioning portions are disposed on the housing, and the first positioning portion is affixed to one of the second positioning portions. In addition, the first positioning portion may be a bump, and each of the second positioning portions may be a recess. In addition, the first positioning portion may be a recess, and each of the second positioning portions may be a bump. The height adjustment mechanism of the present invention allows the user to determine which surface of the adjustment block is in contact with the bearing surface by rotating the adjustment handle, thereby adjusting the height of the expansion base, so that the user does not have to excessively move the expansion base (for example, flipping the extension base) The base can be easily adjusted to the height of the docking station. Therefore, the south adjustment mechanism of the present invention makes it easier and simpler for the user to adjust the height of the expansion base. The above described features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments.

1 is a perspective view of a height adjustment mechanism applied to a docking station according to an embodiment of the present invention. FIG. 2 is a schematic cross-sectional view of the docking station of FIG. Referring to FIG. 1 and FIG. 2, the height adjustment mechanism 200 of the present embodiment is applied to a docking station 20. The docking station 20 has a housing 22' and the docking station 20 is disposed on a carrier surface 30 (e.g., a table top) by a height adjustment mechanism 200. 1327051 22749twf.doc/e The height adjustment mechanism 200 includes an adjustment block 210, a rotating shaft 220, an elastic member 230 and an adjustment handle 240. The adjustment block 210 has a plurality of surfaces 212, 214, 216 and 218 that are sequentially transferred, and these surfaces 212, 214, 216 and 218 surround the axis of rotation 220. The rotating shaft 220 is pivoted in the housing 22 and passes through the adjusting block 210. These surfaces 212, 214, 216 and 218 are respectively parallel to the rotating shaft 220, and these surfaces 212, 214, 216 and 218 are maintained at a distance d1, d2 from the rotating shaft 220, respectively.

D3 and d4. It is worth emphasizing that these distances dl, d2, and d4 are different from each other. In addition, the elastic member 230 is disposed between the adjusting block 2i and the housing 22, and the adjusting handle 240 is disposed outside the housing 22 and connected to the rotating shaft 22〇. In this embodiment, the elastic member 230 can be a coil spring and can be sleeved on the rotating shaft 22〇.

3 is a perspective view of the adjustment handle of FIG. 2. Referring to FIG. 2 and FIG. 3, the adjustment handle 24A of the present embodiment may have a recess 242, and the adjustment handle 240 is sleeved at one end of the rotating shaft 220 by the recess 242. In addition, the same-degree 5-week mechanism 200 further includes a screw “Ο”, a first positioning portion 26 disposed on the adjustment handle=240, and a plurality of first clamping portions 270 disposed on the housing. The adjustment handle 24 〇 is fixed to the end end of the rotating shaft by a screw 25 且 and the first positioning portion is adapted to be snapped to the second positioning portion. In the embodiment, the first positioning portion 26 and each of the second portions The positioning portion 270 can be a recess. However, as long as the first clamping portion 260 is engaged with one of the second positioning portions 27, the second positioning portion 260 can be a recess and the second positioning portion 270 is convex. Ghost, but the above situation is not shown in the picture. 1327051 22749twf.doc/e

The adjustment method to S 4C configuration 2〇0 is explained. Figure 4A Figure 2 is a plan view of the height adjustment mechanism of Figure 2. Referring first to Figure 2, when the adjustment handle 240 is in a state of initial state and the adjustment block 21 is at the contact bearing surface 3〇. At this time, the first positioning portion 26 = the second branch, (see (four) shot) buckle

Next, referring to FIG. 2 and FIG. 4A, when the adjustment handle 24 is received by one, the external force f in the direction of the expansion base 2G and in the direction parallel to the rotation shaft 22 () acts as k, the elastic member 23G is compressed and the adjustment handle is moved from the first position. Ρι Move to a first intermediary location! ^,. At this time, the first positioning portion 26 (see FIGS. 1 and 3) * is again snapped to one of the i of the second positioning portions 270 (see item 1). After eight, referring to FIGS. 4A and 4B, when the adjustment knob 24 is subjected to a torque τ outside the rotary shaft 220, the adjustment knob 24 is rotated from the first intermediate position ΡΓ to the second intermediate position P2, and the adjustment block The 21 turns correspondingly so that the surface 212 leaves the bearing surface 3〇 and is not in contact therewith.

Then, referring to FIG. 4A, FIG. 4B and FIG. 4C, when the adjustment handle 240 no longer acts on the external force F and the external moment τ, the originally compressed elastic member 230 returns to the initial state, and the elastic member 23 pushes the adjustment block 21 That is, the adjustment handle 240 is moved from the second intermediate position P2 to a second position p2, and the surface 214 of the adjustment block 210 contacts the bearing surface 3〇. At this time, the first positioning portion 260 (see Figs. 1 and 3) is snapped to the other of the second positioning portions 27 (see Fig. 1) to fix the relative position of the adjustment handle 24's to the housing 22. Accordingly, the height H of the docking station 20 with respect to the bearing surface 3〇 and the angle of the tilting 1327051 22749twf.doc/e, 0 (see Fig. 1) are accomplished by the adjustment of the height adjusting mechanism 2 (8) described above. In summary, when the adjustment handle 240 is at the first position P1, the surface 212 of the adjustment block 210 contacts the bearing surface 3〇. When the adjustment handle is rotated from the first position pi to the second position P2, the surface of the adjustment block 21 is spliced 30. It can be seen from the above that 'the adjustment of the handle will make 1 adjust and 2= rotate correspondingly. Therefore, the user can adjust the surface of the adjustment block 210 and the bearing surface 3 by rotating the adjustment, and then adjust (4) The base 2G has a height Η and an inclination angle of zero. It must be emphasized that the shape of the adjustment block 21() can be changed according to the designer's needs as long as it does not affect the function of the above-described height adjustment mechanism 2 to adjust the height Η of the susceptor 20. In other words, the number of surfaces of the adjustment block 210 that are parallel to the axis of rotation 22〇 and that are rotated differently may vary. The embodiments are described by way of example only and not of limitation. In summary, the height adjustment mechanism of the present invention allows the user to adjust the height of the docking station by adjusting the surface of the mosquito adjusting block by rotating the handle, so that the user does not need to move excessively. The base (for example, flipping the docking station) can easily adjust the height of the docking station. Therefore, the height adjusting mechanism of the present invention makes it easier and simpler for the user to adjust the height of the docking station. The present invention has been disclosed in the above preferred embodiments, and is not intended to limit the scope of the present invention to those skilled in the art without departing from the spirit and scope of the invention. The scope of protection of the present invention is therefore defined by the scope of the appended patent application, the scope of which is incorporated herein by reference. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a three-dimensional height adjustment mechanism applied to a docking station according to an embodiment of the present invention. 2 is a schematic cross-sectional view of the docking station of FIG. 1 . 3 is a perspective view of the adjustment handle of FIG. 2. 4A to 4C are schematic diagrams showing the operation of the height adjustment mechanism of Fig. 2. [Main component symbol description] 20: Expansion base 22: Housing 30: Bearing surface 200: Height adjustment mechanism 210: Adjustment block • 212 '214 '216 ' 218: Surface 220: Rotary shaft 230: Elastic member 240: Adjustment handle 242 : recessed hole 250 : screw 260 : first positioning portion 270 : second positioning portion 11

Claims (1)

1327051 22749twf.doc/e X. Patent Application Range: 1. A height adjustment mechanism for a docking station having a housing, and the docking station is disposed on a bearing surface by the height adjusting mechanism, wherein The height adjustment mechanism includes: an adjustment block having a first surface and a second surface that are in contact with each other; a rotating shaft pivotally disposed in the housing and passing through the adjustment block, wherein the first surface and the first surface The two surfaces are respectively parallel to the rotating shaft, and the first surface maintains a first distance from the rotating shaft, and the second surface and the rotating shaft maintain a second distance different from the first distance; an elastic member is disposed in the adjusting Between the block and the housing; and an adjustment handle disposed outside the housing and connecting the rotating shaft, wherein when the adjusting handle is in a first position, the first surface contacts the bearing surface, when the adjusting handle is The second surface contacts the bearing surface when the first position is rotated to a second position. 2. The height adjustment mechanism of claim 1, wherein the elastic member is a coil spring. 3. The height adjustment mechanism of claim 1, wherein the elastic member is sleeved on the rotating shaft. 4. The height adjustment mechanism of claim 1, wherein the adjustment handle has a recessed hole, and the adjustment handle is sleeved on the rotation shaft by the recessed hole. 5. The height adjustment mechanism of claim 1, further comprising a screw, wherein the adjustment handle is fixed to the shaft by the screw. The height adjustment mechanism of claim 1, further comprising: a first positioning portion disposed on the adjustment handle; and a plurality of second positioning portions disposed on the height adjustment mechanism The first positioning portion is adapted to be snapped to one of the second positioning portions. 7. The height adjustment mechanism of claim 6, wherein the first positioning portion is a bump, and each of the second positioning portions is a recess. 8. The height adjustment mechanism of claim 6, wherein the first positioning portion is a recess, and each of the second positioning portions is a bump. 14