TW201326589A - Lock type dual shaft hinge - Google Patents

Abstract

The present invention is a lock type dual axis hinge, including a first rotation shaft, a second rotation shaft, and a connection frame. The first rotation shaft and the second rotation shaft are pivoted to the connection frame side by side. The connection frame is provided with at least one moveable rolling ball, and the rolling ball is engageable with the first rotation shaft, or is separable from the first rotation shaft to be engageable with the second rotation shaft for limiting rotation of the first rotation shaft or the second rotation shaft, thereby ensuring the operation sequence and manner of the rotation shafts without being influenced by rotation torque or decreasing of torque, so as to maintain stability of open/close rotation of an electronic device.

Description

Snap-on double-axis hinge

The invention relates to a latch type double-axis hinge, in particular to a hinge comprising a double shaft and capable of turning 360 degrees, which is suitable for a clamshell electronic device.

Typically used in clamshell electronics, such as notebook computers, mobile phones, or e-book readers, the screen can be opened or closed relative to the base. The conventional shaft structure is mostly single-axis type, and usually includes a bracket fixed to the screen of the electronic product. The bracket is provided with a circular shaft hole for a mandrel to be inserted, and the spindle is fixed to the base of the electronic device by a fixing seat. By rotating the bracket relative to the mandrel, the screen can be opened or closed relative to the base. The single-axis shaft itself can be rotated 360 degrees, but it is limited by the design of the screen and the base of the base. When the screen shell and the base shell open to 180 degrees, they interfere with each other and cannot be turned over 180 degrees or even 360 degrees. Reverse stacking.

At present, portable computers have many touch-type or handwriting input operations, and the screen and the base can be flipped by more than 180 degrees, or even reversed by 360 degrees to facilitate holding and performing touch operations, so that there are two axes. The design is produced. For example, as shown in the new patent "Two-Axis Hub" of the Republic of China Announcement No. M324951, the two pivots are connected by a connecting bracket, and two positioning slots are provided on the connecting bracket, and the pivoting sleeves are arranged on each of the pivots. The positioning ring in the positioning groove, and a plurality of reeds, the reed provides elastic force to force the positioning ring to be located in the positioning groove.

The two rotating shafts have the same structure and the same torque. When applied to a notebook computer with a touch screen, the notebook computer can have a general use mode, or the screen and the keyboard can be rotated relative to each other by 360 degrees. In order to facilitate handheld touch operation on the screen. However, in actual use, it is impossible to determine which shaft will rotate first. When the notebook computer is in normal use, as shown in Fig. 6, if the upper pivot pivots first when the screen is opened, the link bracket remains upright, and then During the adjustment of the opening angle, the connecting bracket may be driven to rotate relative to the lower pivot, so that the position of the upper pivot will move, so that the screen fixed to the upper pivot not only rotates but also moves, and Let the user feel unstable.

Although the upper pivot torque can be set smaller than the lower pivot torque to rotate the upper pivot first, if the lower pivot has a greater torque decay rate than the upper pivot, the hinge cannot be used for a period of time. Make sure the sequence and mode of operation of its switches. Moreover, usually, the electronic device is provided with a hinge on each of the left and right sides. If the recession rates of the two sides of the hinge are different, it is possible that when the screen is opened, one side is pivoted on the upper side and the other side is pivoted below, resulting in The situation of the screen twisting. Therefore, it is not ideal to use the torque to control the order of pivoting operations.

The main object of the present invention is to provide a latch type double-axis hinge which can be engaged with the first rotating shaft or engaged with the first rotating shaft by installing movable balls on the connecting bracket. The second rotating shaft is configured to limit the rotation of the first rotating shaft or the rotation of the second rotating shaft. Thereby, the order of actuation of the rotating shaft can be ensured, and it is not affected by the rotating torque, nor is it affected by the torsion of the torsion, and the stability of the rotation and opening of the electronic device is maintained.

Another object of the present invention is to provide a latch type double-axis pivoting device which can reduce wear by the rolling friction of the balls and improve the stability and life of the pivoting of the hinge.

In order to achieve the above object, the technical means adopted by the present invention comprises: a first rotating shaft, comprising a first mandrel, the first mandrel is provided with a fixing portion and a first stopping piece, and the first mandrel is sleeved The first engaging cam has a first engaging recess; the second rotating shaft includes a second spindle, and the second spindle is provided with a fixing portion and a second stopping piece, and The second mandrel is sleeved with a second engaging cam, the second engaging cam has a second engaging recess; and a connecting bracket, the first rotating shaft and the second rotating shaft are pivotally arranged side by side on the connecting bracket, and the connecting branch The arranging hole is located between the first engaging recess and the second engaging recess; at least one ball is disposed in the receiving hole, and the ball can move in the receiving hole, and The auxiliary bracket is engaged with the first engaging recess or the second engaging recess; and a sub-bracket is disposed beside the connecting bracket, the sub-bracket is also pivotally connected to the first rotating shaft and the second rotating shaft, and the auxiliary bracket is convexly disposed respectively a first stop and a second stop in which the first stop piece and the second stop piece stop each other .

According to an embodiment of the invention, the fixing portion of the first spindle is fixed to the upper cover of the electronic device, and the fixing portion of the second spindle is fixed to the base of the electronic device.

When the present invention is applied to an electronic device, when the upper cover and the base are in a closed 0 degree state, the balls are fitted into the second engaging recesses of the second engaging cams and abut against the bottom periphery of the first engaging cams. The second rotating shaft and the connecting bracket form a latch, and the first rotating shaft is first actuated.

When the upper cover is rotated to 180 degrees, the first mandrel is rotated until the first engaging recess faces the ball, and the first stop block is blocked by the first stop of the auxiliary bracket, so that the first spindle can no longer rotate, and The rotation is actuated by the second shaft. The first rotating shaft rotates with the connecting bracket and the auxiliary bracket relative to the second spindle, and the second engaging recess gradually pushes out the ball to move the ball into the first engaging recess in the receiving hole, and the process of continuing to rotate The middle ball abuts against the circumference of the second engaging cam, so that the first rotating shaft and the connecting bracket form a latch, and the rotation is continued to open to 360 degree reverse overlapping.

When the reverse is closed, since the ball is engaged with the first engaging recess, the connecting bracket and the first rotating shaft form a latch, and therefore, the second rotating shaft is first actuated, and the first rotating shaft and the connecting bracket and the auxiliary bracket are together with respect to the second The mandrel is reversed. At 180 degrees, the ball is turned back to face the second engaging recess, and the second stop is blocked by the second stop of the second spindle and can no longer be rotated, that is, rotated by the first rotating shaft. When the first mandrel continues to reverse and close, the first engaging recess gradually pushes out the ball, causing the ball to move into the second engaging recess in the receiving hole to abut the first engaging cam, and then return to the initial closing 0 degree status.

Therefore, the latching structure of the present invention can ensure the sequence and mode of operation of the two shafts, without being affected by the rotational torque, and is not affected by the torsion decay, so that the electronic device can be stably rotated and opened.

Another technical means for the card type double-axis pivoting device of the present invention comprises: a first rotating shaft, comprising a first mandrel, the first mandrel is provided with a fixing portion and a first stopping piece, and the first a first engaging cam is disposed on the mandrel, the first engaging cam has a first engaging recess; a second rotating shaft includes a second spindle, and the second spindle is provided with a fixing portion and a second stopping a second engaging cam having a second engaging cam; the second engaging cam has a second engaging recess; and a connecting bracket, the first rotating shaft and the second rotating shaft are pivotally arranged on the connecting side The bracket is provided with a through hole, and the receiving hole is located between the first engaging recess and the second engaging recess, and the connecting bracket is convexly disposed with the first stopping piece and the second stopping a first stopper and a second stopper that are mutually blocked by the blocking piece; and at least one ball disposed in the receiving hole, the ball being movable in the accommodating hole and being embedded in the first engaging recess or The second engaging recess.

In addition, the latch type double-axis pivot device of the present invention further adopts another technical means, comprising: a first rotating shaft, comprising a first mandrel, the first mandrel is provided with a first engaging recess, and a fixing portion And a first stopping piece is disposed on the first mandrel; a second rotating shaft includes a second mandrel, the second mandrel is provided with a second engaging recess, and a fixing portion, and the second mandrel is a second stop piece; a connecting bracket, the first rotating shaft and the second rotating shaft are arranged side by side in the connecting bracket, the connecting bracket is provided with a through receiving hole, the receiving hole is located in the first engaging recess and Between the second engaging recesses, the connecting bracket protrudes from a first stop and a second stop that are respectively stopable from the first stop piece and the second stop piece; and at least one ball is disposed on In the accommodating hole, the ball can move in the accommodating hole, and the insert is engaged with the first engaging recess or the second engaging recess.

The first engaging recess is directly formed on the first mandrel, and the second engaging recess is directly formed on the second mandrel.

In order to further understand the features, technical means, and functions and objects of the present invention, a more specific embodiment will be described, and the drawings and the drawings are described in detail below.

1-3 is a combination perspective view, an exploded view of the first embodiment of the present invention, and a schematic view of a part of another angle. The latch type double-axis pivoting device of the present invention comprises: a first rotating shaft 1, comprising a first mandrel 10, and a torsion member such as a first engaging cam 11, a plurality of elastic pieces 12, a spacer 13 and a pressing member 14. . The first mandrel 10 is provided with a scalloped first stop piece 101 and a fixing portion 102. The fixing portion 102 is provided with a fixing hole for fixing to the upper cover of the electronic device. The first mandrel 10 is provided with a length of non-circular shaft 103, and the end of the shaft 103 is provided with a threaded section 104. The first stop piece 101 can be integrally formed on the first mandrel 10 or a separate piece body, and then sleeved on the shaft 103 with a sleeve hole having the same shape and the same cross section of the shaft rod 103, and the first The mandrel 10 moves in the same direction.

A second rotating shaft 2 includes a second mandrel 20, and a torsion member such as a second engaging cam 21, a plurality of elastic pieces 22, a spacer 23, and a pressing member 24. The second mandrel 20 is provided with a scalloped second stop piece 201 and a fixing portion 202. The fixing portion 202 is provided with a fixing hole for fixing to the base of the electronic device. The second mandrel 20 is provided with a length of non-circular shaft 203, and the end of the shaft 203 is provided with a threaded section 204. The second stopper piece 201 can be integrally formed on the second mandrel 20 or a separate piece body, and then sleeved on the shaft 203 with a sleeve hole having the same shape and the same cross section of the shaft rod 203, and the second The mandrel 20 moves in the same direction.

A connecting bracket 3 is provided with two circular shaft holes 30 arranged side by side, and the first mandrel 10 and the second mandrel 20 are respectively disposed through the shaft hole 30 of the connecting bracket 3. A joint body 3 is protruded from one side of the bracket 3, and the block body 31 is laterally protruded from the middle of the two shaft holes 30. The block body 31 is provided with a longitudinally extending receiving hole 32.

The first engaging cam 11 is sleeved on the shaft 103 in a sleeve 110 having the same shape as the non-circular shaft 103 of the first spindle 10 so as to be co-operating with the first spindle 10. The second engaging cam 21 is sleeved on the shaft 203 with a sleeve 210 having the same shape as the non-circular shaft 203 of the second spindle 20 so as to be co-operating with the second spindle 20 . A first engagement recess 111 is provided on a periphery of the first engagement cam 11 , and a second engagement recess 211 is provided on a periphery of the second engagement cam 21 . The first engaging recess 111 and the second engaging recess 211 are V-shaped grooves, or other shapes, and the sides thereof form a slope a, and the slope a is an inclined plane, and may also be an inclined curved surface.

The block body 31 of the joint bracket 3 is located between the first engagement cam 11 and the second engagement cam 21 such that the accommodation hole 32 is located between the first engagement recess 111 and the second engagement recess 211.

The two balls 4 are stacked on the accommodating hole 32 , and the balls 4 are movable in the accommodating hole 32 and are engaged with the first engaging recess 111 or the second engaging recess 211 . The ball 4 can be a steel ball.

As shown in FIG. 4, when the upper cover and the base are closed at an initial position of 0 degrees, the first engaging recess 111 and the second engaging recess 211 are located above the first engaging cam 11 and the second engaging cam 21, respectively. Therefore, the lower balls 4 are fitted into the second engaging recesses 211, and the upper balls 4 abut against the bottom periphery of the first engaging cams 11.

When the first mandrel 10 is rotated to make the first engaging recess 111 and the second engaging recess 211 face each other, as shown in FIGS. 5 and 8, the slope a of the side of the second engaging recess 211 is on the second spindle. When the rotation 20 rotates, the ball 4 can be pushed to move in the accommodating hole 32 to move away from the second engaging recess 211. When the ball 4 is engaged with the first engaging recess 111, the slope a on the side of the first engaging recess 111 can push the ball 4 to move downward in the accommodating hole 32 when the first spindle 10 rotates.

The first engaging cam 11 and the second engaging cam 21 are in contact with one side of the connecting bracket 3, and the abutting faces of the first engaging cam 11 and the connecting bracket 3 are respectively provided with bumps 112 and The groove 33 allows the first rotating shaft 1 to have a function of automatically dropping and locking. The abutting faces of the second engaging cam 21 and the connecting bracket 3 are respectively provided with the protrusions 212 and the grooves 34 which are fitted to each other, so that the second rotating shaft 2 has a function of automatically falling and locking. A plurality of elastic pieces 12 and 22 are respectively disposed on the other side of the first engagement cam 11 and the second engagement cam 21, and are respectively sleeved on the first spindle 10 and the second spindle 20 in a circular hole. The pressing members 14, 24 are nuts, and the nuts are respectively locked to the threaded segments 104, 204 of the first mandrel 10 and the second mandrel 20.

The side of the connecting bracket 3 has a sub-bracket 5 arranged in parallel, and the sub-bracket 5 is provided with two circular shaft holes 50 for the first mandrel 10 and the second mandrel 20 to be connected to connect the first rotating shaft 1 and the first Two shafts 2. One side of the sub-bracket 5 is provided with a first stopper 51 and a second stopper 52. The first stopper 51 is mutually stopable with the first stopper piece 101, and the second stopper 52 is mutually stopable with the second stopper piece 201.

A friction plate 15, 25 is respectively disposed on the first mandrel 10 and the second mandrel 20 between the joint bracket 3 and the sub-bracket 8 to increase the friction surface and improve the torque. The friction plates 15 and 25 are respectively sleeved on the first mandrel 10 and the second mandrel 20 by a non-circular sleeve hole 150, 250 to be moved together with the first mandrel 10 and the second mandrel 20, respectively. .

With the above configuration, please refer to FIGS. 4 and 6 , which are schematic diagrams showing the 0 degree state in which the hinge of the present invention is closed on the upper cover and the base. The first mandrel 10 is fixed to the upper cover of the electronic device by the fixing portion 102, and the second mandrel 20 is fixed to the base of the electronic device by the fixing portion 202, and the first engaging recess 111 and the second engaging recess 211 are respectively located at the first cover. An upper end of the engaging cam 11 and the second engaging cam 21, the upper ball 4 abuts against the bottom periphery of the first engaging cam 11, and the lower ball 4 is fitted into the second engaging recess 211, so The link bracket 3 and the second shaft 2 are locked to each other. Fig. 6 is a schematic view showing the state of the stop gear. At this time, the first stopper 51 and the first stopper piece 101 are not stopped.

When the upper cover is rotated and opened, as indicated by the arrows in FIGS. 4 and 6, since the second rotating shaft 2 and the connecting bracket 3 are locked and locked, they are not rotated relative to each other, and therefore, the first rotating shaft 1 is rotated to be opened. When the first mandrel 10 is rotated, the first engaging cam 11 continues to press the ball 4 to engage the lower ball 4 with the second rotating shaft 2.

Referring to FIG. 5 , when the upper cover is opened 180 degrees, the first engaging recess 111 is rotated to face the ball 4 and the second engaging recess 211 , and the first stopping piece 101 rotates along with the first spindle 10 . Blocking the first stop 51 of the sub-bracket 5, the first mandrel 10 can no longer be rotated, as shown in FIG.

Therefore, when the upper cover continues to be turned over, the first spindle 10 drives the sub-bracket 5 and the connecting bracket 3 to rotate relative to the second spindle 20, and is rotated by the second rotating shaft 2. As shown in FIG. 8, when the first mandrel 10, the joint bracket 3 and the ball 4 rotate together, the ball 4 is gradually pushed in the accommodating hole 32 by the guide pushing of the side slope surface a of the second engaging recess 211. The middle engagement recesses out of the second engagement recess 211 and gradually enters the first engagement recess 111. When the ball 4 is completely removed from the second engaging recess 211, it is rotated to abut against the circumference of the second engaging cam 21, and is fitted into the first engaging recess 111, as shown in FIG. A schematic diagram of the state of 270 degrees, and FIG. 10 is a schematic diagram of a state in which 360 degree reverse stacking is turned on.

Therefore, when 0 to 180 degrees is turned on, the first rotating shaft 1 rotates to generate a torsion force, and the connecting bracket 3 is kept in an upright state, and the first rotating shaft 1 can only rotate without moving, so that the upper cover fixed to the first rotating shaft 1 can be stably opened. . When the 180-360 degree is turned on, the second rotating shaft 2 rotates to generate a torque. Since the latching structure of the ball 4 is engaged with the second rotating shaft 2 at 0 degrees, it can be ensured that the first rotating shaft 1 will rotate first when opening, and will be unlocked when the 180 degree stop is reached. A rotating shaft 1 enables the second rotating shaft 2 to be continuously operated. The embodiment disclosed in the present embodiment is one of the actuation modes. If different actuation requirements are required, the relative positions of the first engagement recess 111, the second engagement recess 211, and the balls 4 may also change. The latching structure of the invention can ensure the sequence and manner of actuation of the first rotating shaft 1, the second rotating shaft 2, the connecting bracket 3 and the auxiliary bracket 5, so that the hinge can be stably rotated, is not affected by the rotating torque, and is not affected by the torque. The impact of the recession.

When the upper cover is reversely closed, since the ball 4 is engaged with the first engaging recess 111 of the first engaging cam 11 and abuts against the second engaging cam 21 in a state of being opened 360 degrees, the joint bracket 3 and The first shaft is locked, and the second shaft 2 is first actuated, that is, the first spindle 10 and the joint bracket 3 and the sub-bracket 5 are rotated clockwise with respect to the second spindle 20, as indicated by the dotted arrow in FIG. Returning to the 270 degree state of the Fig. 9 and the closing to the 180 degree state of Fig. 11. At this time, the ball 4 and the first engaging recess 111 are again turned back to the position facing the second engaging recess 211, and as shown in FIG. 7, the second stopper 52 is rotated to stop the second stopping piece 201, The second rotating shaft 2 can no longer be rotated, and the first rotating shaft 1 is actuated. Therefore, when the upper cover continues to be reversely closed, the first mandrel 10 rotates. As shown in FIG. 12, the slope a of the side of the first engaging recess 111 pushes the ball 4 to move downward in the accommodating hole 32, so that the lower side The ball 4 is gradually fitted into the second engaging recess 211, and the first mandrel 10 continues to rotate back to the 0 degree closed state of FIG.

Please refer to the figures 3, 13, and 14. The side of the block 31 of the connecting bracket 3 is provided with a locking hole 310. The first rotating shaft 1, the second rotating shaft 2, the connecting bracket 3, and the auxiliary bracket 5 can be sleeved on the periphery. The outer sleeve 6 is locked to the locking hole 310 by a screw 7, and the outer sleeve 6 is an appearance member.

Referring to Figures 15 and 16, in the second embodiment of the present invention, the first block 51 and the second block 52 of the sub-bracket 5 are directly formed on one side of the joint bracket 3, and the pair is omitted. Bracket 5 and friction plates 15, 25. Therefore, one side of the joint bracket 3 is provided with a block body 31, and the other side is provided with a first stopper 51 and a second stopper 52.

Referring to FIGS. 17 and 18, a third embodiment of the present invention is formed by directly molding the first engaging recess 111 on the first mandrel 10 and forming the second card on the second mandrel 20. The recessed portion 211. The first stop piece and the second stop piece are replaced by elements that are separate from the first mandrel 10 and the second mandrel 20.

As shown in FIG. 17, the first stopper piece 16 and the second stopper piece 26 are respectively provided with two, and each is sleeved on the first mandrel 10 and the second core by a non-circular sleeve hole 160, 260. The non-circular shafts 103, 203 of the shaft 20 are co-operating with the first mandrel 10 and the second mandrel 20. A block body 31 is disposed on one side of the joint bracket 3, and a first block 35 and a second block 36 are disposed on the other side. As shown in FIG. 19, the first block 35 and the second block 36 are respectively respectively A stop piece 16 and a second stop piece 26 stop each other.

The first engaging recess 111 is disposed on a convex ring 100 of the first mandrel 10 and has a V-shaped groove, and both sides form a slope a, and the slope a may be an inclined plane or a curved surface. The second engaging recess 211 is disposed on a convex ring 200 of the second mandrel 20, and is also a V-shaped groove, and both sides form a slope a, and the slope a can be an inclined plane or a curved surface.

Two accommodating balls 4 are disposed in the accommodating hole 32 of the connecting bracket 3, and the balls 4 are fitted into the second engaging recess 211 or the first engaging recess 111. When the 0 degree is closed, the first engaging recess 111 and the second engaging recess 211 are respectively located at the upper ends of the first spindle 10 and the second spindle 20, and the balls 4 are embedded and engaged with the second engaging recess 211, and Abuts the bottom circumference of the first mandrel 10.

When the opening is 180 degrees, the first stop piece 16 of the first spindle 10 is blocked from the first stop 35 of the coupling bracket 3. When the reverse is closed to 180 degrees, the second stopper 36 of the joint bracket 3 is stopped by the second stopper piece 26 of the second spindle 20.

The first mandrel 10 is additionally provided with a first cam 17 and a second cam 18 which are fitted to each other, and the second mandrel 20 is also sleeved with a first cam 27 and a second cam 28 which are fitted to each other to have The function of automatically dropping the lock.

An outer sleeve 6 is sleeved around the first rotating shaft 1, the second rotating shaft 2 and the connecting bracket 3. The ends of the first mandrel 10 and the second mandrel 20 are provided with a coupling piece 8 for fixing with the outer sleeve 6. A plurality of laterally disposed holes 81 are defined in each of the upper and lower ends of the coupling piece 8. The first mandrel 10 and the second mandrel 20 each have a step-like coupling section 105, 205 which can be laterally inserted into the setting hole 81. To form a position. A locking hole 82 is formed in the middle of the coupling piece 8 to be locked with a fixing hole (not shown) in the outer sleeve 6 by a screw 7.

The present invention has been disclosed in order to achieve the above objects, but it is not intended to limit the structural features of the present invention. It should be understood by those of ordinary skill in the art that, in the technical spirit of the present invention, Any changes or modifications are possible and are covered by the scope of the patent application in this case.

1. . . First shaft

10. . . First mandrel

100. . . Convex ring

101. . . First stop piece

102. . . Fixed part

103. . . Non-circular shaft

104. . . Thread segment

105. . . Combined segment

11. . . First snap cam

110. . . Set of holes

111. . . First snap recess

112. . . Bump

2. . . Second shaft

20. . . Second mandrel

200. . . Convex ring

201. . . Second stop piece

202. . . Fixed part

203. . . Non-circular shaft

204. . . Thread segment

205. . . Combined segment

twenty one. . . Second snap cam

210. . . Set of holes

211. . . Second snap recess

212. . . Bump

12, 22. . . shrapnel

13,23. . . Gasket

14, 24. . . Tightening element

15,25. . . Friction plate

150, 250. . . Set of holes

16. . . First stop piece

26. . . Second stop piece

160, 260. . . Set of holes

17, 27. . . First cam

18, 28. . . Second cam

3. . . Link bracket

30. . . Shaft hole

31. . . Block

310. . . Locking hole

32. . . Socket hole

33, 34. . . Groove

35. . . First stop

36. . . Second stop

4. . . Ball

5. . . Secondary bracket

50. . . Shaft hole

51. . . First stop

52. . . Second stop

6. . . Outer sleeve

7. . . Screw

8. . . Bonding piece

81. . . Set hole

82. . . Locking hole

a. . . Slope

Fig. 1 is a perspective view showing the combination of the first embodiment of the present invention.

Fig. 2 is an exploded view of the first embodiment of the present invention.

Fig. 3 is a view showing a part of elements of another angle of the first embodiment of the present invention.

Fig. 4 is a schematic view showing the state of the present invention at a state of closing 0 degrees.

Fig. 5 is a schematic view showing the state in which the invention is opened at 180 degrees.

Figure 6 is a schematic view of the stop state of the present invention when it is closed at 0 degrees.

Figure 7 is a schematic view of the stop state of the present invention at 180 degrees.

Fig. 8 is a schematic view showing the action of the present invention to continue flipping after opening 180 degrees.

Figure 9 is a schematic view showing the state of the present invention at 270 degrees.

Figure 10 is a schematic view showing the state in which the present invention is turned on in a 360 degree reverse stack.

Figure 11 is a schematic view showing the state of the present invention when it is reversely closed by 180 degrees.

Fig. 12 is a schematic view showing the operation of the present invention to continue the reverse closing after the reverse closing 180 degrees.

Figure 13 is an exploded perspective view of the outer sleeve of the present invention.

Figure 14 is a schematic view showing the combination of the outer sleeve of the present invention.

Figure 15 is a combined perspective view of a second embodiment of the present invention.

Figure 16 is an exploded view of the second embodiment of the present invention.

Figure 17 is an exploded view of the third embodiment of the present invention.

Figure 18 is a schematic view showing the combination of the third embodiment of the present invention.

Fig. 19 is a perspective view showing another angle of the joint bracket of the third embodiment of the present invention.

1. . . First shaft

10. . . First mandrel

101. . . First stop piece

102. . . Fixed part

11. . . First snap cam

111. . . First snap recess

15. . . Friction plate

2. . . Second shaft

20. . . Second mandrel

201. . . Second stop piece

202. . . Fixed part

twenty one. . . Second snap cam

3. . . Link bracket

31. . . Block

4. . . Ball

5. . . Secondary bracket

51. . . First stop

52. . . Second stop

Claims (25)

A latching type of two-axis pivoting device includes: a first rotating shaft, comprising a first mandrel, the first mandrel is provided with a fixing portion and a first stopping piece, and the first mandrel is sleeved with a first a first engaging cam has a first engaging recess; a second rotating shaft includes a second spindle, the second spindle is provided with a fixing portion and a second stopping piece, and the second core a second engaging cam is disposed on the shaft, the second engaging cam has a second engaging recess; and a connecting bracket, the first rotating shaft and the second rotating shaft are pivotally arranged on the connecting bracket, and the connecting bracket is provided with a through The accommodating hole is located between the first engaging recess and the second engaging recess; at least one ball is disposed in the accommodating hole, and the ball can move in the accommodating hole while being embedded and engaged The first engaging recess or the second engaging recess; and a sub-bracket disposed beside the connecting bracket, the sub-bracket is also pivotally connected to the first rotating shaft and the second rotating shaft, and the auxiliary bracket is convexly disposed to be respectively opposite to the first stopping The first stop and the second stop of the blocking piece and the second stopping piece mutually stop. The zipper type double-axis hinge according to the first aspect of the invention, wherein the connecting bracket and the auxiliary bracket pivotally connect the first spindle and the second spindle respectively with a circular shaft hole, and the connecting bracket and the auxiliary bracket A friction plate is disposed on each of the first mandrel and the second mandrel, and the friction plates are sleeved on the non-circular shaft of the first mandrel and the second mandrel by a non-circular sleeve. . The latch type biaxial hinge according to claim 1, wherein the side edges of the first engaging recess and the second engaging recess form a slope. The latch type double-axis pivot device according to claim 3, wherein the slope surface is an inclined plane or an inclined curved surface. The latching type biaxial hinge according to claim 1, wherein the first engaging recess and the second engaging recess are V-shaped grooves. The latching type double-axis pivoting device of claim 1, wherein one side of the connecting bracket protrudes from a body, and the block is located between the first engaging cam and the second engaging cam. The accommodating hole is disposed in the block, and the ball is provided in two, and is stacked on the accommodating hole. The latching type biaxial hinge according to claim 1, wherein the first engaging recess and the second engaging recess are respectively located at the first engaging cam and the second engaging cam when the 0 degree is closed The upper end of the first engagement cam is engaged with the second engagement recess and abuts against the bottom edge of the first engagement cam. The latch type double-axis pivot device according to claim 1, wherein, when the opening is 180 degrees, the first stop piece of the first mandrel is blocked from the first stop of the sub-bracket; When closed to 180 degrees, the second stop of the sub-mount is blocked by the second stop of the second mandrel. The latching type double-axis pivoting device according to claim 1, wherein the first engaging cam is sleeved on a non-circular shaft of the first mandrel by a non-circular sleeve, and The second engaging cam is sleeved on a non-circular shaft of the second spindle with a non-circular sleeve to be co-operating with the second spindle. The latching type double-axis pivoting device according to claim 6, wherein the side of the block body of the connecting bracket is provided with a locking hole, and the first rotating shaft, the second rotating shaft, the connecting bracket and the auxiliary bracket peripheral sleeve An outer sleeve is provided, and the outer sleeve is locked to the locking hole by a screw. The latching type biaxial hinge according to claim 1, wherein the first engaging cam and the second engaging cam are in contact with one side of the connecting bracket, and the first engaging cam and the connecting bracket The abutting surface is provided with a groove and a protrusion which are fitted to each other, and the abutting surface of the second engaging cam and the connecting bracket is provided with a groove and a protrusion which are fitted to each other. A latching type of two-axis pivoting device includes: a first rotating shaft, comprising a first mandrel, the first mandrel is provided with a fixing portion and a first stopping piece, and the first mandrel is sleeved with a first a first engaging cam has a first engaging recess; a second rotating shaft includes a second spindle, the second spindle is provided with a fixing portion and a second stopping piece, and the second core a second engaging cam is disposed on the shaft, the second engaging cam has a second engaging recess; and a connecting bracket, the first rotating shaft and the second rotating shaft are pivotally arranged on the connecting bracket, and the connecting bracket is provided with a through The accommodating hole is located between the first engaging recess and the second engaging recess, and the connecting bracket protrudes from the first stop and the second stop respectively a stop and a second stop; and at least one ball disposed in the receiving hole, the ball being movable in the receiving hole and being engaged with the first engaging recess or the second engaging recess. The latch type biaxial hinge according to claim 12, wherein the side edges of the first engaging recess and the second engaging recess form a slope. The latch type double-axis pivot device of claim 13, wherein the slope surface is an inclined plane or an inclined curved surface. The latching type biaxial hinge according to claim 12, wherein the first engaging recess and the second engaging recess are V-shaped grooves. The latching type double-axis pivoting device of claim 12, wherein a side of the connecting bracket protrudes from a body, the block is located between the first engaging cam and the second engaging cam, The accommodating hole is disposed in the block body. The ball is provided in the accommodating hole. The first block and the second block are disposed on the other side of the connecting bracket. The latching type double-axis pivoting device according to claim 12, wherein the first engaging cam is sleeved on a non-circular shaft of the first mandrel by a non-circular sleeve, and The second engaging cam is sleeved on a non-circular shaft of the second spindle with a non-circular sleeve to be co-operating with the second spindle. The latching type biaxial hinge according to claim 12, wherein the first engaging cam and the second engaging cam are in contact with one side of the connecting bracket, and the first engaging cam and the connecting bracket The abutting surface is provided with a groove and a protrusion which are fitted to each other, and the abutting surface of the second engaging cam and the connecting bracket is provided with a groove and a protrusion which are fitted to each other. A latching type double-axis pivoting device comprises: a first rotating shaft, comprising a first mandrel, the first mandrel is provided with a first engaging recess, and a fixing portion, and the first mandrel is provided with a first a second stop shaft includes a second mandrel, the second mandrel is provided with a second engaging recess, and a fixing portion, and the second mandrel is provided with a second stopping piece; The bracket is configured to be pivotally disposed on the connecting bracket. The connecting bracket is provided with a through hole, and the receiving hole is located between the first engaging recess and the second engaging recess. a first stop and a second stop that are respectively stopable from the first stop piece and the second stop piece respectively; and at least one ball disposed in the receiving hole, the ball being capable of being The accommodating hole moves, and the insert is engaged with the first engaging recess or the second engaging recess. The latching type biaxial hinge according to claim 19, wherein the side edges of the first engaging recess and the second engaging recess form a slope. The latching type of the two-axis pivoting device of claim 19, wherein one side of the connecting bracket protrudes from a body, the receiving hole is disposed in the block, and the ball is provided with two And vertically stacked in the receiving hole, the first block and the second block are disposed on the other side of the connecting bracket. The latching type biaxial hinge according to claim 19, wherein, when the degree of closing is 0 degrees, the first engaging recess and the second engaging recess are respectively located at upper ends of the first spindle and the second spindle The ball is embedded in the second engaging recess and abuts against the periphery of the bottom of the first mandrel. The latching type double-axis pivoting device according to claim 19, wherein the first stopping member is sleeved on a non-circular shaft of the first mandrel by a non-circular sleeve, and The second stopper is coupled to the non-circular shaft of the second spindle by a non-circular sleeve to be co-operating with the second spindle. The latching type double-axis pivot device according to claim 19, wherein the end of the first mandrel is provided with a class-like joint section, and the end of the second mandrel is also provided with a class-like joint section, the first core A coupling piece is disposed at an end of the shaft and the second mandrel, and each of the upper and lower ends of the coupling piece is provided with a setting hole, and the coupling section is inserted into the setting hole. The latching type double-axis pivoting device according to claim 24, wherein the first rotating shaft, the second rotating shaft and the outer periphery of the connecting bracket are sleeved with an outer sleeve, and the coupling piece is provided with a locking hole for It is fixed by locking with the outer sleeve.