TWM612338U - Sliding locking apparatus and dual-axle hinge having the same - Google Patents

Abstract

This case is a sliding locking device, which includes a pair of connecting pieces, a first driven wheel, a first switching fixing mechanism composed of a first idler wheel and a first engaging wheel, a second driven wheel, A second switching fixing mechanism composed of a second idler wheel and a second engaging wheel and a sliding member. The pair of connecting members has a pair of upper lugs and a pair of lower lugs, and the pair of upper lugs and the A groove space is formed between the lower lugs. When the first driven wheel or the second driven wheel is driven to rotate, respectively, the correspondingly engaged first idler or the second idler is driven to rotate in the opposite direction, Thereby, the first engagement wheel or the second engagement wheel is rotated synchronously, so that the sliding member can movably form a radial sliding along the pair of oppositely arranged long sliding grooves of the pair of connecting members, so that the upper arc When the surface is buckled into the first concave portion or the lower arc surface is buckled into the second concave portion, the first engaging wheel or the second engaging wheel is locked and unable to rotate.

Description

Sliding locking device and biaxial hinge with same

This case relates to a sliding locking device, especially a sliding locking device with a groove space, especially advanced. This case also relates to a biaxial hinge with the sliding locking device.

According to general clamshell electronic products, such as notebook computers, mobile phones or e-book readers, in order to make the screen of the electronic product open at an angle of more than 180 degrees relative to the main body, the screen can even be flipped to 360 degrees. There is no mutual interference with the main body, so a biaxial hinge is produced.

The conventional two-axis hinge device includes a first mandrel, a second mandrel, a first connecting member, and a second connecting member. The first mandrel is provided with a first engaging wheel, and the first engaging wheel A first recess is provided, and the second mandrel is provided with a second engagement wheel, the second engagement wheel is provided with a second recess, and a sliding part is sandwiched between the first connecting piece and the second connecting piece. The sliding member is movably buckled into the first concave portion of the first engaging wheel or the second concave portion of the second engaging wheel to limit the rotation of the first spindle or the second spindle . Thereby, the sequence and manner of the operation of the spindles can be ensured, and the stability of the turning on and off of the electronic device can be maintained.

However, the first engagement wheel is directly driven and switched by the first mandrel, and the second engagement wheel is directly driven and switched by the second mandrel, so that the sliding member can only be moved between the two mandrels The linear displacement. In this way, the first connecting member and the second connecting member have no extra space to meet different requirements, such as the routing of wires, which needs to be improved urgently.

The main purpose of this case is to provide a sliding locking device, which is a non-coaxial arrangement of a switching fixing mechanism formed by a driven wheel, an idler wheel and an engaging wheel, so that a pair of connecting pieces can change the spatial configuration, such as forming A groove space is used to meet different requirements, such as wire routing, so that a sliding member can switch between a pair of idler wheels respectively driven by an engaging wheel, so as to realize the alternate rotation effect of the sliding locking device.

In order to achieve the foregoing objective, the technical means adopted in this case is to provide a sliding locking device, which includes a pair of spaced connecting members, and a pair of upper lugs radially protrude from the upper side and the lower side of the pair of connecting members. And a pair of lower lugs, a first driven wheel that can be driven to rotate is pivoted between the pair of upper lugs, and a second driven wheel that can also be driven to rotate is pivoted between the pair of lower lugs, and A groove space is formed between the pair of upper lugs and the pair of lower lugs; a first switching fixing mechanism and a second switching fixing mechanism are respectively pivoted above and below the other side of the pair of connecting pieces, wherein the The first switching and fixing mechanism includes a first idler gear meshed with the first driven wheel, and a first engaging wheel through which a first supporting rod of the first idler gear is inserted and linked, and the first card The closing wheel is provided with a first recess on an outer peripheral surface; and the second switching and fixing mechanism includes a second idler meshed with the second driven wheel, and a second supporting rod for the second idler to pass through A second engaging wheel linked with a second engaging wheel, and an outer peripheral surface of the second engaging wheel is provided with a second recess; and the pair of connecting members are oppositely located between the first switching fixing mechanism and the second switching fixing mechanism There is a long sliding groove; and a sliding piece, a sliding tenon sleeved in the pair of long sliding grooves is axially projected on both sides of the sliding piece, and the top and bottom of the sliding piece are respectively provided with an upper arc and A lower arc surface; when the first driven wheel is driven to rotate, the correspondingly engaged first idler wheel is driven to rotate, so that the first engagement wheel rotates synchronously, so that the sliding member can move along the pair of lengths The shaped sliding groove forms a radial sliding movement, so that the lower arc surface is buckled into the second concave portion, that is, the second engagement wheel is locked and cannot be rotated; when the second driven wheel is driven to rotate, it drives the corresponding meshing The second idler wheel rotates, so that the second engagement wheel rotates synchronously, so that the sliding member can movably form a radial sliding movement along the pair of elongated sliding grooves, so that the upper arc surface is buckled into the first The concave part makes the first engagement wheel a locked and non-rotatable state.

In an embodiment, each of the pair of upper lugs is provided with an upper shaft hole, the first driven wheel is adjacent to a connecting piece, and a first driven wheel is sleeved between the first driven wheel and the other connecting piece. Spacer ring; and the pair of lower lugs are each provided with a lower shaft hole, the second driven wheel is adjacent to a connecting piece, and a second distance is sleeved between the second driven wheel and the other connecting piece ring.

In an embodiment, a pair of upper receiving holes for the pivoting of the first switching and fixing mechanism and a pair of upper receiving holes for the pivoting of the second switching and fixing mechanism are provided on the upper and lower sides of the other side of the pair of connecting members. A pair of lower connection holes.

In an embodiment, a first stopper is protrudingly provided around the upper receiving hole of a connecting member, and a second stopper is protrudingly provided around the lower receiving hole; A first stopper is further penetrated and formed between an engaging wheel and the upper connecting hole of an adjacent connecting member, and the first stopper is protrudingly provided corresponding to the first stopper. A first stop portion that restricts the rotation stroke; and the second support rod further penetrates between the second engagement wheel and the lower connecting hole of an adjacent connecting piece and forms a second limiter for linkage The positioning member, the second limiting member corresponding to the second stop, is projected to limit the rotation stroke to a second stop.

The main purpose of this case is to provide a two-axis hinge, which is a non-coaxial arrangement of a switching and fixing mechanism formed by a driven wheel, an idler wheel and an engaging wheel, so that a pair of connecting pieces can change the spatial configuration, such as forming The groove space is adapted to meet different requirements, such as wire routing, so that a sliding member can be switched between a pair of idler wheels respectively driven by an engaging wheel, so as to realize the alternate rotation effect of the biaxial hinge.

In order to achieve the aforementioned purpose, the technical means adopted in this case is to provide a biaxial hinge, which includes a sliding locking device, which includes a pair of spaced-apart connecting pieces, and the upper and lower sides of the pair of connecting pieces have respective diameters. A pair of upper lugs and a pair of lower lugs are projected toward each other, a first driven wheel is pivoted between the pair of upper lugs, and a second driven wheel is pivoted between the pair of lower lugs, and the pair of upper lugs A groove space is formed between the lugs and the pair of lower lugs; a first switching fixing mechanism and a second switching fixing mechanism are respectively pivoted above and below the other side of the pair of connecting pieces, wherein the first switching The fixing mechanism includes a first idler gear meshed with the first driven wheel, and a first engagement wheel for a first support rod of the first idler to pass through and interlock, and the first engagement wheel is at An outer peripheral surface is provided with a first recess; and the second switching and fixing mechanism includes a second idler gear meshed with the second driven wheel, and a second supporting rod for the second idler to pass through and interlock A second engaging wheel, and an outer peripheral surface of the second engaging wheel is provided with a second recess; and the pair of connecting members is provided with a relatively long length between the first switching fixing mechanism and the second switching fixing mechanism Chute; and a sliding member, a sliding tenon sleeved in the pair of long chute is protruding axially on both sides of the sliding member, and the top and bottom of the sliding member are respectively provided with an upper arc surface and a lower arc surface And a first mandrel, one end of which extends axially through a first shaft that penetrates the pair of connecting pieces and the first engagement wheel to form a linkage; and a second mandrel, one end of which axially extends through It is assumed that the pair of connecting members and the second engaging wheel form a second shaft that is linked; when the first driven wheel is driven to rotate, the correspondingly engaged first idler wheel is driven to rotate, thereby causing the first card to rotate. The locking wheel rotates synchronously, so that the sliding member can move along the pair of elongated sliding grooves to form a radial sliding movement, so that the lower arc surface is buckled into the second concave portion, that is, the second locking wheel is locked and unable to rotate State; when the second driven wheel is driven to rotate, the correspondingly engaged second idler wheel is driven to rotate, so that the second engaging wheel rotates synchronously, so that the sliding member can movably slide along the pair of long shapes The groove forms a radial sliding movement, so that the upper arc surface is buckled into the first recess, that is, the first engagement wheel is locked and cannot be rotated.

In an embodiment, each of the pair of upper lugs is provided with an upper shaft hole, the first driven wheel is adjacent to a connecting piece, and a first driven wheel is sleeved between the first driven wheel and the other connecting piece. Spacer ring; and the pair of lower lugs are each provided with a lower shaft hole, the second driven wheel is adjacent to a connecting piece, and a second distance is sleeved between the second driven wheel and the other connecting piece ring.

In an embodiment, a pair of upper receiving holes for the pivoting of the first switching and fixing mechanism and a pair of upper receiving holes for the pivoting of the second switching and fixing mechanism are provided on the upper and lower sides of the other side of the pair of connecting members. A pair of lower connection holes.

In an embodiment, a first stopper is protrudingly provided around the upper receiving hole of a connecting member, and a second stopper is protrudingly provided around the lower receiving hole; A first stopper is further penetrated and formed between an engaging wheel and the upper connecting hole of an adjacent connecting member, and the first stopper is protrudingly provided corresponding to the first stopper. A first stop portion that restricts the rotation stroke; and the second support rod further penetrates between the second engagement wheel and the lower connecting hole of an adjacent connecting piece and forms a second limiter for linkage The positioning member, the second limiting member corresponding to the second stop, is projected to limit the rotation stroke to a second stop.

In an embodiment, the other end of the first mandrel has a first fixing part connected to a first bracket; and the other end of the second mandrel has a second fixing part connected to a second bracket.

In an embodiment, each of the first spindle and the second spindle is connected to a torsion auxiliary adjustment unit, and each of the torsion auxiliary adjustment units includes a torsion auxiliary adjustment unit for the first shaft and the second shaft to pass through. An elastic element, and an urging member for the first shaft and the second shaft to be locked to each other.

Please refer to Figures 1 to 6 The sliding locking device of this case includes a pair of connecting members 1, a first driven wheel 2, a first switching fixing mechanism 3 composed of a first idler wheel 31 and a first engaging wheel 32 , A second driven wheel 4, a second switching and fixing mechanism 5 composed of a second idler wheel 51 and a second engaging wheel 52, and a sliding member 6.

As shown in Figures 1 and 2, the pair of connecting pieces 1 are arranged at intervals and extend radially above one side, and each is provided with a pair of upper lugs 11 with an upper shaft hole 111, and a pair of upper lugs 11 extending radially below A pair of lower lugs 12 with a lower shaft hole 121 are respectively provided, and a groove space 13 is formed between the pair of upper lugs 11 and the pair of lower lugs 12. As shown in the figure, the groove space 13 can allow at least one wire, such as a power wire or a signal wire, to pass through, so as to meet the wiring requirements.

A pair of upper contact holes 14 and a pair of lower contact holes 15 are provided oppositely above and below the other side of the pair of connecting members 1, and there is a gap between each upper contact hole 14 and each lower contact hole 15 Set up a long chute 16. A sliding tenon 61 is protruding axially on both sides of the sliding member 6, and each sliding tenon 61 is sleeved on the corresponding sliding groove 16, and the top and bottom of the sliding member 6 are respectively provided with an upper arc surface 62 And the arc 63.

The first driven wheel 2 is pivoted between the pair of upper shaft holes 111; and the second driven wheel 4 is pivoted between the pair of lower shaft holes 121.

The first idler wheel 31 of the first switching and fixing mechanism 3 is pivotally disposed between the pair of upper receiving holes 14 and meshes with the first driven wheel 2. The first engagement wheel 32 axially defines a non-circular first through hole 321 for a non-circular first support rod 311 of the first idler 31 to penetrate and form a linkage. The first engaging wheel 32 is provided with a first recess 322 capable of locking the sliding member 6 on an outer peripheral surface thereof.

The second idler wheel 51 of the second switching fixing mechanism 5 is pivotally disposed between the pair of lower contact holes 15 and meshed with the second driven wheel 4. The second engaging wheel 52 axially defines a non-circular second through hole 521 for a non-circular second pole 511 of the second idler 51 to penetrate and form a linkage. The second engaging wheel 52 is also provided with a second recess 522 capable of locking the sliding member 6 on an outer peripheral surface thereof.

During operation, when the first driven wheel 2 is driven to rotate, the engaged first idler wheel 31 is driven to rotate in the reverse direction, so that the first engaging wheel 32 rotates synchronously, so that the sliding member 6 can move. A radial sliding movement is formed along the pair of elongated sliding grooves 16, so that the lower arc surface 63 is buckled into the second recess 522, that is, the second engagement wheel 52 is locked and cannot be rotated; the second driven wheel 4 When driven to rotate, the meshed second idler gear 51 is driven to rotate in reverse, so that the second engaging wheel 52 rotates synchronously, so that the sliding member 6 can be movably formed along the pair of elongated sliding grooves 16 The radial sliding movement causes the upper arc surface 62 to buckle into the first recess 322, that is, the first engagement wheel 32 is locked and cannot be rotated.

Therefore, by the non-coaxial arrangement of a switching fixing mechanism 3 or 5 formed by a driven wheel 2 or 4, an idler wheel 31 or 51 and an engaging wheel 32 or 52, the pair of connecting pieces 1 can change the space. The configuration, for example, a groove space 13 is formed to meet different requirements, such as wiring, so that a sliding member 6 is driven by the first idler 31 or the second idler 51 or the first engagement wheel 32 The driven second engaging wheel 52 is switched between, so that the sliding locking device achieves the effect of alternate rotation.

In particular, please refer to FIG. 2 again. A first stopper 141 is protruded around the upper receiving hole 14 of a connecting member 1 on the outer side of the sliding locking device, and a first stopper 141 is protruding around the lower receiving hole 15 Set a second stop 151. The first supporting rod 311 further penetrates and forms a first limiting member 33 between the first engaging wheel 32 and the upper contact hole 14 of the adjacent connecting member 1, and the first limiting member 33 The member 33 is protrudingly provided corresponding to the first stop 141 to limit the rotation stroke, for example, a first stop 331 of 180 degrees. Similarly, the second supporting rod 511 further penetrates and forms a second limiting member 53 between the second engaging wheel 52 and the adjacent lower receiving hole 15 of the connecting member 1, and the second limiting member 53 The two limiting members 53 are protrudingly provided corresponding to the second stopper 151 to limit the rotation stroke, for example, a second stopper 531 of 180 degrees.

Please refer to FIGS. 1 to 6 again. The sliding locking device is used for a two-axis hinge. The two-axis hinge includes the sliding locking device, a first mandrel 7, a second mandrel 8, and Two sets of torque auxiliary adjustment unit 9.

One end of the first mandrel 7 axially extends through the upper through hole 111 of a connecting member 1, the first driven wheel 2, a first spacer ring 73 and another connection capable of forming a linkage with the first mandrel 7 A first shaft 71 of the upper through hole 111 of the piece 1 makes the first shaft 71 and the first driven wheel 2 engage with the first idler 31 and the first idler 31 of the first switching fixing mechanism 3 The wheels 32 form a synchronized rotation relationship. The other end has a first fixing portion 72 that is fixed to an electronic device, such as a notebook computer, connected to a first bracket 74 of a screen by a conventional connecting member, such as a rivet.

The overall structure of the second mandrel 8 is the same as that of the first mandrel 7, so one end of the second mandrel 8 also axially extends through the lower through hole 121 of the connecting member 1, and the second mandrel 8 can The second driven wheel 4, a second spacer ring 83, and a second shaft 81 of the lower through hole 121 of the other connecting member 1 are formed in linkage, so that the second shaft 81 and the second driven wheel 4 are connected with each other. The second idler 51 and the second engaging wheel 52 of the second switching fixing mechanism 5 form a synchronous rotation relationship. The other end is provided with a second fixing portion 82, which is fixed to the electronic device by a conventional connecting member, such as a rivet, such as a notebook computer connected to a second bracket 84 of a main body.

The first mandrel 7 and the second mandrel 8 are respectively provided with a friction washer 93 interlocking with each other between the second connecting member 2 and the third connecting member 9 to increase the performance of the biaxial hinge Friction torque.

The first mandrel 7 and the second mandrel 8 are each connected to a torsion auxiliary adjustment unit 9, each of the torsion auxiliary adjustment units 9 includes a first shaft 71 and a second shaft 81 through which each The elastic element 91, and an urging member 92 for the first shaft 71 and the second shaft 81 to be locked to each other, such as an anti-falling nut, thereby facilitating the slight adjustment of the first shaft 7 and the second shaft The torque value of the two spindles 8. As shown in FIGS. 1 and 2, the elastic element 91 is selected from a plurality of disc-shaped elastic pieces, but not limited to this. In other embodiments, the elastic element 91 may be selected from a spring or a plurality of waves. shrapnel. Therefore, during the alternate rotation of the first mandrel 7 and the second mandrel 8 are respectively affected by the elastic force of the elastic elements 91 to form an axial torsion change and produce stagnation and positioning effects.

In addition, a friction washer 93 is additionally provided between the elastic element 91 and the pressing element 92 and/or between the elastic element 91 and the adjacent connecting element 1 to prevent the pressing element 92 and the elastic element 91 from interacting with each other. The connecting piece 1 and the elastic element 91 cause loss due to direct friction, so that the torsion force is stably formed within the preset value range. However, in another embodiment, the torque auxiliary adjustment unit 9 is an unnecessary component, which can be selectively used according to actual torque requirements.

As shown in FIGS. 3 to 6, it shows a perspective view and a cross-sectional view of the sliding locking device, the first mandrel 7, the second mandrel 8, and the two sets of torque auxiliary adjusting units 9 after being assembled. If the first bracket 74 is attached to an electronic device, such as a screen of a notebook computer, and the second bracket 84 is attached to the electronic device, such as a body of a notebook computer. The first bracket 74 and the second bracket 84 are arranged in parallel to form a first angle, such as a 0 degree form, that is, when the first engaging wheel 32 and the second engaging wheel 52 are in a 0 degree state At this time, the lower arc surface 63 of the sliding member 6 is buckled into the second concave portion 522 of the second engaging wheel 52, so that the second engaging wheel 52 cannot rotate, and the first limiting member 33 One end of the first stop portion 331 abuts against one end of the first stopper 141, and one end of the second stopper portion 531 of the second stopper 53 abuts against the second stopper 151, and Only the first engagement wheel 32 can be rotated.

As shown in FIGS. 7-9, the first mandrel 7 is rotated in a counterclockwise direction to a second angle, such as 180 degrees, so that the first bracket 74 and the second bracket 84 form an included angle of 180 degrees; That is, the first rotating rod 71 drives the first driven wheel 2 to rotate in a counterclockwise direction, so that the first idler 31 meshing with the first driven wheel 2 rotates in a clockwise direction, so that the first idler wheel 31 is engaged with the first idler wheel 2 to rotate in a clockwise direction. The first engagement wheel 32 linked by the idler wheel 31 also rotates 180 degrees in a clockwise direction (shown in FIG. 8). At this time, the other end of the first stop portion 331 of the first limiting member 33 abuts against the other end of the first stop block 141, and the first concave portion 322 rotates to above the upper arc surface 62, A gap is formed between the two, and the second engaging wheel 52 is unlocked (shown in FIG. 9).

As shown in FIGS. 10 to 12, the second mandrel 8 is rotated in a clockwise direction to a third angle, such as 180 degrees, so that the first bracket 74 and the second bracket 84 have relatively rotated 360 degrees. The included angle; that is, the second rotating rod 81 drives the second driven wheel 4 to rotate in a clockwise direction, so that the second idler 51 meshing with the second driven wheel 4 rotates in a counterclockwise direction, and the The second engaging wheel 52 linked with the second idler wheel 51 also rotates 180 degrees in a counterclockwise direction (shown in FIG. 11 ). At this time, the second stopping portion 531 of the second limiting member 53 is away from the second stopping block 151. The sliding member 6 is pushed by the outer periphery of the second engaging wheel 52 to slide vertically upward, so that the upper arc surface 62 of the sliding member 6 is buckled into the first concave portion of the first engaging wheel 32 In 322, the first engaging wheel 32 cannot be rotated, but the second engaging wheel 52 can only be rotated in a counterclockwise direction (shown in FIG. 12).

Therefore, through the description of FIGS. 7 to 12, a dual-axis alternate turning mode is formed, so that the first mandrel 7 and the second mandrel 8 are rotated alternately during the alternate turning process of the two shafts. Adjust the angle formed between the first bracket 74 and the second bracket 84 so that the body of the electronic device is in a closed state of 0 degrees with respect to the screen, or after being opened and rotated to 360 degrees, The main body and the screen are superimposed in the opposite and back-to-back state, so as to avoid the arbitrary turning of the two mandrels, and to reduce the twisting or entanglement of the power cord and the signal cord.

Therefore, through the implementation of this case, the first driven wheel or the second driven wheel is connected to the first idler or the second idler and the first engaging wheel or the second engaging wheel, respectively. The non-coaxial arrangement of the first switching fixing mechanism or the second switching fixing mechanism is formed, so that the pair of connectors can change the spatial configuration, for example, the groove space is formed to meet different requirements, such as wiring, so that the sliding The member switches between the first engaging wheel driven by the first idler wheel or the second engaging wheel driven by the second idler wheel, so that the sliding locking device achieves the effect of alternate rotation, It can be called a great structure like never seen before.

The disclosure in this case is a preferred embodiment, and any partial changes or modifications that are derived from the technical ideas of the case and can be easily inferred by those who are familiar with the art do not deviate from the scope of the patent right of the case.

1: connecting piece 11: Upper lug 111: upper shaft hole 12: Lower lug 121: Lower shaft hole 13: Groove space 14: Upper connection hole 141: First stop 15: Bottom connection hole 151: second stop 16: Long chute 2: The first driven wheel 3: The first switching fixing mechanism 31: The first idler 311: The first pole 32: The first engagement round 321: first piercing 322: first recess 33: The first limit piece 331: first stop 4: The second driven wheel 5: The second switching fixing mechanism 51: second idler 511: second pole 52: The second engagement round 521: Second Piercing 522: second recess 53: The second limit piece 531: second stop 6: Slider 61: Sliding Tenon 62: upper arc 63: lower arc 7: First Heart 71: The first shaft 72: The first fixed part 73: The first spacer ring 74: The first bracket 8: second mandrel 81: second shaft 82: second fixed part 83: second spacer ring 84: second bracket 9: Torque auxiliary adjustment unit 91: elastic element 92: Urgent 93: Friction pad

In order to further reveal the specific technical content of this case, please first refer to the drawings. Among them: Figure 1 and Figure 2 are the three-dimensional exploded views of the two-axis hinge of the case; Figure 3 and Figure 4 are the two-axis hinge assembly of the second case. Three-dimensional views of different viewing angles; Figure 5 is a cross-sectional view taken along line AA shown in Figure 3; Figure 6 is a cross-sectional view taken along line BB shown in Figure 3; Figure 7 is the first of the biaxial hinge in this case Fig. 8 is a cross-sectional view taken along the line CC shown in Fig. 7; Fig. 9 is a cross-sectional view taken along the line DD shown in Fig. 7; Fig. 10 is the biaxial hinge of this case Fig. 11 is a cross-sectional view taken along the line EE shown in Fig. 10; and Fig. 12 is a cross-sectional view taken along the line FF shown in Fig. 10.

1: connecting piece

11: Upper lug

111: upper shaft hole

12: Lower lug

121: Lower shaft hole

13: Groove space

14: Upper connection hole

15: Bottom connection hole

16: Long chute

2: The first driven wheel

3: The first switching fixing mechanism

31: The first idler

311: The first pole

32: The first engagement round

321: first piercing

322: first recess

33: The first limit piece

331: first stop

4: The second driven wheel

5: The second switching fixing mechanism

51: second idler

511: second pole

52: The second engagement round

521: Second Piercing

522: second recess

53: The second limit piece

531: second stop

6: Slider

61: Sliding Tenon

62: upper arc

63: lower arc

7: The first mandrel

71: The first shaft

72: The first fixed part

73: The first spacer ring

74: The first bracket

8: second mandrel

81: second shaft

82: second fixed part

83: second spacer ring

84: second bracket

9: Torque auxiliary adjustment unit

91: elastic element

92: Urgent

93: Friction pad

Claims (10)

A sliding type locking device, which includes: A pair of spaced connecting pieces, a pair of upper lugs and a pair of lower lugs protrude radially above and below one side of the pair of connecting pieces, and a pair of upper lugs is pivotally arranged between the pair of upper lugs that can be driven to rotate A first driven wheel, and a second driven wheel that can also be driven to rotate is pivoted between the pair of lower lugs, and a groove space is formed between the pair of upper lugs and the pair of lower lugs; A first switching fixing mechanism and a second switching fixing mechanism are pivotally arranged above and below the other side of the pair of connecting members, wherein the first switching fixing mechanism includes a first idler gear meshed with the first driven wheel , And a first engagement wheel for a first pole of the first idler to penetrate and interlock, and an outer peripheral surface of the first engagement wheel is provided with a first recess; and the second switching fixing mechanism It includes a second idler gear meshed with the second driven wheel, and a second engagement wheel for a second support rod of the second idler to penetrate and link, and the second engagement wheel is a A second recess is provided on the outer peripheral surface; and the pair of connecting members is provided with a long sliding groove oppositely between the first switching fixing mechanism and the second switching fixing mechanism; and A sliding piece, a sliding tenon sleeved in the pair of long sliding grooves is axially projected on both sides of the sliding piece, and the top and bottom of the sliding piece are respectively provided with an upper arc surface and a lower arc surface; When the first driven wheel is driven to rotate, the correspondingly engaged first idler wheel is driven to rotate, so that the first engagement wheel rotates synchronously, so that the sliding member can be movably formed along the pair of elongated sliding grooves The radial sliding movement causes the lower curved surface to buckle into the second concave portion, that is, the second engagement wheel becomes a locked and unrotatable state; when the second driven wheel is driven to rotate, it drives the correspondingly engaged second The idler wheel rotates, so that the second engagement wheel rotates synchronously, so that the sliding member can movably form a radial sliding movement along the pair of elongated sliding grooves, so that the upper arc surface is buckled into the first concave portion, that is, the The first engagement wheel forms a locked and unrotatable state. The sliding locking device described in the first item of the scope of patent application, wherein the pair of upper lugs are each provided with an upper shaft hole, the first driven wheel is adjacent to a connecting member, and the first driven wheel is connected to another A first spacer ring is sleeved between the connecting pieces; and the pair of lower lugs are each provided with a lower shaft hole, the second driven wheel is adjacent to one of the connecting pieces, and the second driven wheel is connected to the other A second spacer ring is sleeved between the pieces. As described in the first item of the scope of patent application, the sliding locking device is provided with a pair of upper contact holes for the pivoting of the first switching fixing mechanism on the upper and lower sides of the other side of the pair of connecting members, and A pair of lower connecting holes for the second switching fixing mechanism to be pivoted. For the sliding locking device described in item 3 of the scope of patent application, a first stopper is protruding from the upper hole of one of the connectors, and a second stopper is protruding from the lower hole. Block; the first support rod further penetrates between the first engagement wheel and the upper hole of an adjacent connecting member and forms a first limiting member that is linked, the first limiting member Corresponding to the first stopper, a first stopper is protrudingly provided to limit the rotation stroke; and the second support rod is further between the second engaging wheel and the lower receiving hole of an adjacent connecting member A second stopper is penetrated and linked to form a second stopper, and the second stopper is projected corresponding to the second stopper to limit the rotation stroke and a second stopper. A two-axis hinge, which includes: A sliding locking device, which includes: A pair of spaced connecting pieces, a pair of upper lugs and a pair of lower lugs respectively extend radially above and below one side of the pair of connecting pieces, and a first driven wheel is pivoted between the pair of upper lugs, A second driven wheel is pivotally arranged between the pair of lower lugs, and a groove space is formed between the pair of upper lugs and the pair of lower lugs; A first switching fixing mechanism and a second switching fixing mechanism are pivotally arranged above and below the other side of the pair of connecting members, wherein the first switching fixing mechanism includes a first idler gear meshed with the first driven wheel , And a first engagement wheel for a first pole of the first idler to penetrate and interlock, and an outer peripheral surface of the first engagement wheel is provided with a first recess; and the second switching fixing mechanism It includes a second idler gear meshed with the second driven wheel, and a second engagement wheel for a second support rod of the second idler to penetrate and link, and the second engagement wheel is a A second recess is provided on the outer peripheral surface; and the pair of connecting members is provided with a long sliding groove oppositely between the first switching fixing mechanism and the second switching fixing mechanism; and A sliding piece, a sliding tenon sleeved in the pair of elongated sliding grooves is axially projected on both sides of the sliding piece, and the top and bottom of the sliding piece are respectively provided with an upper arc surface and a lower arc surface; and A first mandrel, one end of which axially extends and a first shaft that penetrates the pair of connecting pieces to form a linkage with the first engagement wheel; and A second mandrel, one end of which axially extends and a second shaft that penetrates the pair of connecting pieces and the second engagement wheel to form a linkage; When the first driven wheel is driven to rotate by the first shaft, the corresponding first idler wheel is driven to rotate, so that the first engaging wheel rotates synchronously, so that the sliding member can move along the pair of The long sliding groove forms a radial sliding movement, so that the lower arc surface is buckled into the second recess, that is, the second engagement wheel is locked and cannot be rotated; when the second driven wheel is driven to rotate, it drives the corresponding meshing The second idler wheel rotates, so that the second engagement wheel rotates synchronously, so that the sliding member can movably form a radial sliding movement along the pair of elongated sliding grooves, so that the upper arc surface is buckled into the first The concave part makes the first engagement wheel a locked and non-rotatable state. For the two-axis hinge described in item 5 of the scope of patent application, the pair of upper lugs are each provided with an upper shaft hole, the first driven wheel is adjacent to a connecting member, and the first driven wheel is connected to another A first spacer ring is sleeved between the connecting pieces; and the pair of lower lugs are each provided with a lower shaft hole, the second driven wheel is adjacent to one of the connecting pieces, and the second driven wheel is connected to the other A second spacer ring is sleeved between the pieces. The two-axis hinge described in item 5 of the scope of patent application, wherein a pair of upper connecting holes for the pivoting of the first switch fixing mechanism are provided on the upper and lower sides of the other side of the pair of connecting members 1 opposite to each other , And a pair of lower connecting holes for the second switching fixing mechanism to pivot. For the biaxial hinge described in item 7 of the scope of patent application, a first stop is protruding around the upper hole of one of the connecting parts, and a second stop is protruding around the lower hole Block; the first support rod further penetrates between the first engagement wheel and the upper hole of an adjacent connecting member and forms a first limiting member that is linked, the first limiting member Corresponding to the first stopper, a first stopper is protrudingly provided to limit the rotation stroke; and the second support rod is further between the second engaging wheel and the lower receiving hole of an adjacent connecting member A second stopper is penetrated and linked to form a second stopper, and the second stopper is projected corresponding to the second stopper to limit the rotation stroke and a second stopper. For the two-axis hinge described in item 5 of the scope of patent application, the other end of the first mandrel has a first fixing part connected to a first bracket; and the other end of the second mandrel has a second A second fixing part of the bracket. The dual-axis hinge described in item 5 of the scope of patent application, wherein the first spindle and the second spindle are each connected with a torsion auxiliary adjustment unit, and each of the torsion auxiliary adjustment units includes the first shaft and An elastic element penetrated by each of the second shaft rods, and an urging member for each of the first shaft rod and the second shaft rod to be locked together.

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