TW201438551A - Dual-axis hinges in synchronous motion - Google Patents

Abstract

A dual-axis hinges in synchronous motion is used to connect a display device and a host, which comprises a first pivot, a second pivot, a first transmission cable, and a second transmission cable. The first pivot includes a first bonding segment assembled to the display device and a first driving segment. The second pivot includes a second bonding segment assembled to the host and a second driving segment. Both ends of the first transmission cable and the second transmission cable are affixed to the first driving segment and the second driving segment, so that the first pivot is operable to be driven by a first pivot turn path and enable the first transmission cable and the second transmission cable to drive the second pivot by a second pivot turn path in the direction opposite to that of the first pivot turn path.

Description

Double-axis hinge with simultaneous opening and closing

The present invention relates to a biaxial hinge, and more particularly to a biaxial hinge that performs simultaneous opening and closing with at least one cable.

A 3C electronic device such as a notebook computer, a digital camera, and a mobile phone, which has a screen flip function, mainly uses a hinge (also referred to as a hinge) to be connected in a pivotal manner. In the implementation, the display can be used only when the display is extended with the hinge as the fulcrum, and when not in use, the display and the main body of the main body are folded in half. However, the commonly used single-axis hinges in the early days can achieve the purpose of flipping the display relative to the main body of the main body. However, due to the design of the appearance of the display and the main body of the main body, the two sides interfere with each other and cannot continue to expand. .

In order to improve the mutual interference after the deployment, the Republic of China Patent No. M428642 discloses a two-axis type horizontal drop hinge and its portable device, including an upper rotating frame, a lower rotating frame and a plurality of settings. a gear in a gear chamber. Through the gear ratio between each of the gears, an upper cover mounted on the upper rotating bracket and a base mounted on the lower rotating bracket can be opened at 180 degrees. However, although the above-mentioned two-axis hinge implemented by the gear structure can overcome the disadvantages of the single-axis hinge, the implementation of the plurality of gears will lead to difficulty in designing the gear ratio, and the design needs to consider the gear ratio and the tooth of each gear. Distance parameters. On the other hand, in the process of turning the two-axis hinge implemented by the gear in the process of turning on, there is also a problem that the idle stroke is generated, and it needs to be improved.

The main object of the present invention is to overcome the problem that the conventional biaxial hinge is difficult to design with a gear, and an idle stroke occurs when rotating.

In order to achieve the above object, the present invention provides a bi-directional hinge for opening and closing, which is used for connecting a display and a main body, and includes a first pivot, a second pivot, a first transmission cable and a first Two transmission cables. The first pivot shaft includes a first engaging portion assembled with the display and a first driving portion, the second pivot shaft includes a second engaging portion assembled with the main body and a second driving portion, the first The cable includes a first end fixed to the first driving segment, a second end fixed to the second driving segment, and a first end and the second end passing between the first pivot and the first pivot a first connecting portion between the second pivots, the second connecting cable includes a third end fixed to the first driving segment, a fourth end fixed to the second driving segment, and a third portion Ending between the fourth end and crossing the second connecting section between the first pivot and the second pivot, and the winding direction of the second cable is opposite to the first cable, so that the first Rotating a pivot shaft in a first pivoting stroke causes the first cable and the second cable to drive the second pivot to generate a second pivoting stroke that is opposite to the first pivoting stroke.

In one embodiment, the first pivot has a first fixing hole vertically extending from the first driving segment to fix the first end, and a first connecting the first fixing hole to position the first connecting segment a guiding slot, the second pivoting shaft has a second fixing hole vertically extending from the second driving section to fix the second end, and a second guiding slot connecting the second fixing hole to position the first connecting section .

In an embodiment, the biaxial hinge further includes a connecting sleeve for fixing the first pivot and the second pivot, the connecting sleeve has a first through hole provided with the first pivot and a set of the set a second perforation of the second pivot. Further, the biaxial hinge includes a first spacer disposed on the first pivot and the second pivot to separate the first driving segment and the second driving segment from the connecting sleeve. In another aspect, the first pivot has a first torsion section that provides a desired torque against the coupling sleeve in the first pivoting stroke, and the second pivot has a second abutment against the coupling sleeve A second torsion segment that provides the required torque during the pivoting stroke. Further, the first torsion section includes at least one set of first friction pads provided with the first pivot, at least one pair of first elastic pads that should be the first friction pads, and an adjustment of the first friction pads a first torsion adjusting member spaced apart from the first elastic spacer, the second torsion portion comprising at least one second friction pad provided with the second pivot, at least one pair of second friction pads a second elastic spacer and a second torsion adjusting member for adjusting a distance between the second friction pad and the second elastic spacer. In addition, the biaxial hinge further includes a second spacer disposed on the first pivot and the second pivot at the first torque segment and the second torque segment.

In an embodiment, the first pivot has a first limiting portion disposed on the first driving end to fix the first end of the first cable and the third end of the second cable, the second pivot The shaft has a second restricting portion disposed on the second driving end to fix the second end of the first cable and the fourth end of the second cable. Further, a first limiting member is disposed in the first limiting portion, and a second limiting member is disposed in the second limiting portion.

In an embodiment, the first driving segment has a third fixing hole vertically defined to fix the third end, and a third guiding slot connecting the third fixing hole to position the second connecting segment, the second The driving segment has a fourth fixing hole vertically opened to fix the fourth end, and a fourth guiding groove connecting the fourth fixing hole to position the first connecting portion.

The biaxial hinge structure disclosed by the invention has the following characteristics compared with the conventional biaxial hinge:

1. The biaxial hinge of the present invention replaces the gear structure in the conventional biaxial hinge by the implementation of the transmission cable, thereby avoiding the problem of relatively difficult design of the gear ratio and the pitch, and overcoming the pivoting process with the gear structure. There will be problems with empty travel.

2. The biaxial hinge of the present invention has the same effect of opening and closing with the cable, so that the single pivoting action will drive the other pivot to rotate, thereby expanding the display and the main body of the main body.

Fig. 1 is a schematic view showing the structure of an embodiment of a biaxial hinge of the same opening and closing of the present invention.

Fig. 2 is a schematic exploded view showing an embodiment of a biaxial hinge of the same opening and closing of the present invention.

Fig. 3 is a cross-sectional view showing the structure of an embodiment of a biaxial hinge of the same opening and closing of the present invention.

Figure 4-1 is a cross-sectional view (A) of the A-A line segment structure of Figure 3 of the biaxial hinge of the present invention.

Fig. 4-2 is a schematic view showing the opening and closing operation of the B-B line segment structure of Fig. 3 of the biaxial hinge of the same dynamic opening and closing of the present invention (1).

Fig. 4-3 is a schematic view showing the opening and closing operation of the A-A line segment structure of Fig. 3 of the biaxial hinge of the same dynamic opening and closing of the present invention (2).

Fig. 4-4 is a schematic view showing the opening and closing operation of the B-B line segment structure of Fig. 3 of the biaxial hinge of the same dynamic opening and closing according to the present invention (2).

Fig. 5 is a schematic view showing the torque adjustment of an embodiment of the biaxial hinge of the same opening and closing of the present invention.

Fig. 6 is a schematic view showing the structure of another embodiment of the biaxial hinge of the same opening and closing of the present invention.

The detailed description and technical contents of the present invention will now be described as follows:

Referring to FIG. 1 to FIG. 3, the biaxial hinge 1 of the present invention is used for connecting a display 2 and a main body 3. The biaxial hinge 1 includes a first pivot 11 , a second pivot 12 , a first cable 13 , and a second cable 14 . The first pivot 11 includes an assembly with the display 2 . a first engaging section 110 and a first driving section 111, the second pivoting shaft 12 includes a second engaging section 120 and a second driving section 121 assembled with the main body 3, and the first transmission cable 13 includes a first end 131 fixed to the first driving segment 111, a second end 132 fixed to the second driving segment 121, and a first end 131 and the second end 132 passing through the first pivot a first connecting portion 133 between the shaft 11 and the second pivoting shaft 12, the second connecting cable 14 includes a third end 141 fixed to the first driving segment 111, and a second driving portion 121 fixed to the second driving segment 121. The fourth end 142 and the second connecting portion 143 between the third end 141 and the fourth end 142 and passing between the first pivot 11 and the second pivot 12. Specifically, the first pivot 11 is spaced apart from the second pivot 12 by a distance, and the first cable 13 is first fixed to the first driving segment 111 along the first pivot 11 An edge, passing between the first pivot 11 and the second pivot 12, along the edge of the second pivot 12, and finally fixed to the second driving segment 121, and the side end view of the biaxial hinge 1 The first cable 18 is slightly S-shaped, and the second cable 14 is also fixed to the first pivot 11 and passes between the first pivot 11 and the second pivot 12 . Thereafter, it is fixed to the second pivot 12, and the winding direction of the second cable 14 is opposite to the first cable 11. Referring to FIG. 4-1 and FIG. 4-3, if the first pivot 11 is driven by the display 2 to perform a first pivoting stroke, the first cable 13 and the second cable 14 are subjected to the first pivoting A pivot 11 acts to interlock the second pivot 12 to cause the second pivot 12 to generate a second pivoting stroke, and the first pivoting stroke is operated in a direction opposite to the second pivoting stroke. That is, when the first pivoting stroke is rotated clockwise, the second pivoting stroke generates a counterclockwise rotation, so that the first pivot shaft 11 and the second pivot shaft 12 are The action of the first drive cable 13 produces the same effect of the opening and closing. Please refer to Figure 1 to Figure 3, and with reference to Figures 4-1 to 4-4, wherein Figure 4-1 and Figure 4-3 are the section AA of Figure 3, Figure 4-2 and Figure 4-4 Then it is a sectional view of the BB line in Fig. 3. Viewed from the side end of the biaxial hinge 1, the first transmission cable 13 is in the form of an S shape, and the second transmission cable 14 is a mirrored state of the first transmission cable 13, and the specific aspect is as shown in the figure. Figure 4-1 and Figure 4-2. The first transmission cable 13 and the second transmission cable 14 can be made of a steel cable or a steel material, respectively. Further, the first pivot 11 has a first fixing hole 112 vertically defined in the first driving segment 111 to fix the first end 131, and a first fixing hole 112 is connected to locate the first connection. The first guiding slot 113 of the segment 133, the second pivoting shaft 12 has a second fixing hole 122 vertically extending from the second driving segment 121 to fix the second end 132, and a second fixing hole 122 is connected Positioning the second guiding groove 123 of the first connecting section 133. Specifically, the first cable 131 is fixed to the first end 131 by the first fixing hole 112, and the first connecting portion 133 disposed along the edge of the first pivot 11 is positioned in the first guiding slot 113. The first connecting portion 133 disposed along the edge of the second pivot 12 is also positioned in the second guiding slot 123. Finally, the second end 132 is fixed by the second fixing hole 122 to limit the first The cable 13 is at the position of the first driving segment 111. It can be seen from the above embodiment that the biaxial hinge 1 can further have the second transmission cable 14. The first pivot shaft 11 can further have a first portion vertically extending from the first driving segment 111 to fix the third end 141. a third fixing hole 114, and a third guiding groove 115 connected to the third fixing hole 114 to position the second connecting portion 143. The second pivot 12 has a vertical opening portion 121 to fix the second driving hole 121. The fourth fixing hole 124 of the fourth end 142 and a fourth guiding groove 125 connecting the fourth fixing hole 124 to position the second connecting portion 143. The third fixing hole 114, the fourth fixing hole 124, the third guiding groove 115 and the fourth guiding groove 125 are implemented by the first fixing hole 112, the second fixing hole 122, and the first The guiding groove 113 and the second guiding groove 123 are the same, and details are not described herein again. In addition, the first pivot 11 can further have a first limiting portion disposed on the first driving end 111 to fix the first end 131 of the first cable 13 and the third end 141 of the second cable 14 116. The second pivot 12 can have a second limiting portion disposed on the second driving end 121 to fix the second end 132 of the first cable 13 and the fourth end 142 of the second cable 14. 126. Further, at least one first limiting member 15 may be disposed in the first limiting portion 116, and at least one second limiting member 16 may be disposed in the second limiting portion 126. A limiting member 15 is fixed on the first pivot 11 via the at least one first limiting portion 116 and restricts the first end 131 of the first cable 13 from being disengaged from the first pivot 11 , the at least one The second restricting member 16 is also fixed to the second pivot 12 via the at least one second restricting portion 126 while restricting the second end 132 of the first cable 13 from being disengaged from the second pivot 12 .

On the other hand, the biaxial hinge 1 can further have a connecting sleeve 17 for fixing the first pivot 11 and the second pivot 12, the connecting sleeve 17 having a first perforation of the first pivot 11 171 and a set of second perforations 172 provided with the second pivot 12. The first pivot 11 and the second pivot 12 are respectively disposed on the connecting sleeve 17 via the first through hole 171 and the second through hole 172, so that the first pivot 11 and the second pivot 12 can be compared. The first pivoting stroke and the second pivoting stroke are performed stably. Further, the first pivot 11 has a first torsion section 117 that abuts the coupling sleeve 17 to provide a required torque in the first pivoting stroke, and the second pivot 12 has an abutment connection. The sleeve 17 provides a second torsion section 127 of the desired torque in the second pivoting stroke. Referring to FIG. 5, the first torsion section 117 includes at least one set of first friction pads 118 having the first pivot 11 and at least one pair of first elastic spacers 118a that should be the first friction pads 118 and A first torsion adjusting member 119 for adjusting a distance between the first friction pad 118 and the first elastic spacer 118a. The second torsion section 127 includes at least one second friction pad 128 provided with the second pivot 12, at least one pair of second elastic spacers 128a that should be the second friction pad 128, and an adjustment of the second friction A second torsion adjusting member 129 is disposed between the spacer 128 and the second elastic spacer 128a. The two-axis hinge 1 can adjust the torque of the first pivot 11 and the second pivot 12 in the first pivoting stroke and the second pivoting stroke to adjust the first pivot 11 The torque is applied. By adjusting the first torsion adjusting member 119, the first friction pad 118 and the first elastic spacer 118a are pressed and pressed toward the connecting sleeve 17, thereby generating a large torque. On the other hand, if the first friction pad 118 and the first elastic spacer 118a are relatively loose, a small torque is generated. The manner in which the second pivot 12 adjusts the torque is the same as that of the first pivot 11 and will not be described herein.

Further, the biaxial hinge 1 may include a first set of the first pivot 11 and the second pivot 12 to separate the first driving segment 111 and the second driving segment 121 from the connecting sleeve 17 A spacer 18 and a second spacer 19 disposed on the first pivot 11 and the second pivot 12 at the first torsion section 117 and the second torsion section 127. In addition, the biaxial hinge 1 further includes an outer casing 4 covering the first driving segment 111 and the second driving segment 121.

In addition to the above-described embodiments, the first cable 13 and the second cable 14 are further made of the same wire, and are freely selectable from the first fixing hole 112 on the first pivot 11. The second fixing hole 122 of the second pivot shaft 12 and the third fixing hole 114 of the first pivot shaft 11 are finally wound into a "eight-shaped" winding to the end point of the second pivot shaft 12 The fourth fixing hole 124 can be wound and can be wound into another embodiment. Otherwise, the fourth fixing hole 124 of the second pivot 12 can be wound up to the end point of the first pivot 11 The first fixing hole 112 can also achieve the purpose of implementation of the present invention, and the embodiment thereof is as shown in FIG.

In summary, a two-axis hinge for opening and closing is used for connecting a display and a main body, and includes a first pivot, a second pivot, a first transmission cable and a second transmission cable. . The first pivot shaft includes a first engaging portion assembled with the display and a first driving portion, the second pivot shaft includes a second engaging portion assembled with the main body and a second driving portion, the first The cable includes a first end fixed to the first driving segment, a second end fixed to the second driving end, and a first end and the second end passing between the first end and the second pivot a first connecting portion between the second pivots, the second connecting cable includes a third end fixed to the first driving segment, a fourth end fixed to the second driving segment, and a third end And a second connecting section between the fourth end and the second pivot, and the winding direction of the second cable is opposite to the first cable, so that the first The pivoting of the pivoting shaft in a first pivoting motion causes the first cable and the second cable to drive the second pivoting shaft to generate a second pivoting stroke that is opposite to the first pivoting stroke. Thereby, to overcome the problem that the gear structure is implemented, the gear ratio, the pitch and the like are relatively difficult to design, and the problem that the double-axis hinge will generate an idle stroke during the pivoting process is avoided.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Variations and modifications are still within the scope of the patents of the present invention.

1. . . Biaxial hinge

11. . . First pivot

110. . . First joint

111. . . First driving segment

112. . . First fixing hole

113. . . First channel

114. . . Third fixing hole

115. . . Third channel

116. . . First restriction

117. . . First torsion section

118. . . First friction pad

118a. . . First elastic gasket

119. . . First torque adjustment

12. . . Second pivot

120. . . Second joint

121. . . Second driving segment

122. . . Second fixing hole

123. . . Second guide slot

124. . . Fourth fixing hole

125. . . Fourth guide slot

126. . . Second restriction

127. . . Second torsion section

128. . . Second friction pad

128a. . . Second elastic gasket

129. . . Second torque adjustment member

13. . . First cable

131. . . First end

132. . . Second end

133. . . First connection segment

14. . . Second transmission cable

141. . . Third end

142. . . Fourth end

143. . . Second connection segment

15. . . First limit

16. . . Second limit

17. . . Connection sleeve

171. . . First perforation

172. . . Second perforation

18. . . First spacer

19. . . Second spacer

2. . . monitor

3. . . Host body

4. . . Outer casing

A. . . Transmission cable

1. . . Biaxial hinge

11. . . First pivot

110. . . First joint

111. . . First driving segment

113. . . First channel

115. . . Third channel

117. . . First torsion section

12. . . Second pivot

120. . . Second joint

121. . . Second driving segment

123. . . Second guide slot

125. . . Fourth guide slot

127. . . Second torsion section

13. . . First cable

14. . . Second transmission cable

15. . . First limit

16. . . Second limit

17. . . Connection sleeve

18. . . First spacer

19. . . Second spacer

4. . . Outer casing

Claims (10)

A dual-axis hinge for opening and closing, for connecting a display and a host body, comprising:
a first pivot shaft includes a first engaging section assembled with the display and a first driving section;
a second pivot shaft includes a second engaging section assembled with the main body and a second driving section;
a first cable includes a first end fixed to the first driving segment, a second end fixed to the second driving segment, and a second end between the first end and the second end a first connecting section between a pivot and the second pivot,
a second cable includes a third end fixed to the first driving segment, a fourth end fixed to the second driving segment, and a third end to the fourth end and crossing the first a second connecting section between the pivot and the second pivot, and the winding direction of the second cable is opposite to the first cable, so that the first pivot rotates by a first pivoting stroke The first cable and the second cable drive the second pivot to generate a second pivoting stroke that is opposite to the first pivoting stroke. The two-axis hinge of the same opening and closing according to claim 1, wherein the first pivot has a first fixing hole vertically formed in the first driving portion to fix the first end, and a connection a first fixing hole for positioning the first guiding slot of the first connecting section, the second pivoting shaft has a second fixing hole vertically extending from the second driving section to fix the second end, and a connecting the second fixing a hole to position the second guide groove of the first connecting section. The biaxial hinge of the same opening and closing according to claim 1, further comprising a connecting sleeve for fixing the first pivot and the second pivot, the connecting sleeve having a set of the first pivot a first perforation and a second perforation provided with the second pivot. The biaxial hinge of the same opening and closing according to claim 3, further comprising a set of the first pivot shaft and the second pivot shaft for the first driving segment and the second driving segment to The first spacer separated by the sleeve. The co-operating biaxial hinge of claim 3, wherein the first pivot has a first torsion segment that provides a desired torque against the coupling sleeve during the first pivoting stroke. The second pivot has a second torsion section that provides a desired torque against the coupling sleeve during the second pivoting stroke. The co-operating biaxial hinge according to claim 5, wherein the first torsion section comprises at least one set of first friction pads provided with the first pivot, at least one pair should be first a first elastic spacer of the friction pad and a first torsion adjusting member for adjusting a distance between the first friction pad and the first elastic pad, the second torsion segment including at least one set of the second pivot a second friction pad of the shaft, at least one pair of second resilient pads that should be the second friction pad, and a second torsion adjusting member that adjusts the spacing between the second friction pad and the second resilient pad. The biaxial hinge of the same opening and closing according to claim 5, further comprising a first set of the first pivot and the second pivot located at the first torsion and the second torsion Two spacers. The two-axis hinge of the same opening and closing according to claim 1, wherein the first pivot has a first end and a second end disposed on the first driving segment to fix the first cable a first restricting portion of the third end of the cable, the second pivot having a second restricting portion disposed on the second end of the second driving segment and the fourth end of the second cable . The double-axis hinge of the same opening and closing method according to claim 8, wherein the first restricting portion is provided with a first restricting member, and the second restricting portion is provided with a second restricting member. The two-axis hinge of the same opening and closing according to claim 1, wherein the first pivot has a third fixing hole vertically opened to the first driving portion to fix the third end, and a connection The third fixing hole is configured to position the third guiding slot of the second connecting section, the second pivoting shaft has a fourth fixing hole vertically extending from the second driving section to fix the fourth end, and a fourth connecting hole A fixing hole is positioned to position the fourth guiding groove of the second connecting section.