CN211648774U - Sliding type locking device and double-shaft hinge with same - Google Patents
Sliding type locking device and double-shaft hinge with same Download PDFInfo
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- CN211648774U CN211648774U CN202020150616.8U CN202020150616U CN211648774U CN 211648774 U CN211648774 U CN 211648774U CN 202020150616 U CN202020150616 U CN 202020150616U CN 211648774 U CN211648774 U CN 211648774U
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Abstract
The disclosure is a sliding locking device, comprising a first connecting piece and a second connecting piece, wherein the connecting pieces are oppositely provided with a pair of upper shaft holes, a pair of lower shaft holes and a pair of long chutes; a sliding tenon sleeved in the long sliding grooves is respectively and axially arranged at two sides of a sliding part in a protruding way, and the top and the bottom of the sliding part are respectively provided with an upper cambered surface and a lower cambered surface; the clamping device comprises a first clamping wheel and a second clamping wheel, wherein the peripheral surface of the clamping wheel is respectively provided with a first concave part and a second concave part; and at least one lantern ring made of high polymer elastic material is sleeved on at least one sliding tenon so as to reduce noise generated by the sliding of the sliding part along the pair of long sliding grooves in the radial direction.
Description
Technical Field
The present disclosure relates to a sliding type locking device, and more particularly, to a sliding type locking device capable of reducing noise. More particularly, the present disclosure relates to a biaxial hinge having the sliding type locking device.
Background
In order to open the screen of an electronic product with a flip angle of more than 180 degrees relative to the main body, even after the screen is turned to 360 degrees, the screen and the main body do not interfere with each other, thereby creating a dual-axis hinge.
The conventional dual-axis hinge device includes a first spindle, a second spindle, a first connecting member and a second connecting member, the first spindle has a first engaging wheel with a first concave portion, the second spindle has a second engaging wheel with a second concave portion, a sliding member is sandwiched between the first connecting member and the second connecting member, and the sliding member is movably fastened 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. Therefore, the actuating sequence and the actuating mode of the mandrel can be ensured, and the stability of the rotation opening and closing of the electronic device is further kept.
However, the sliding member is located between the first connecting member and the second connecting member and moves radially between the first mandrel and the second mandrel, but is limited by the difference between the technologies and quality of suppliers in actual production, which often causes dimension errors, such as tolerance, of the first connecting member and the second connecting member, thereby affecting the radial displacement of the sliding member between the first engaging wheel and the second engaging wheel. In other words, a gap is generated between the sliding member and the adjacent first connecting member and/or the second connecting member, so that the sliding member is tilted, and noise is easily generated during the alternate switching.
Disclosure of Invention
The present disclosure is directed to a sliding type locking device, which is intended to improve the problem of dimensional error of the first connecting member and the second connecting member in the conventional sliding type locking device, so as to prevent noise generated by tilting of the sliding member during the longitudinal displacement of the sliding member, thereby improving the quality of the sliding type locking device.
To achieve the above objective, the present disclosure provides a sliding type locking device, which includes a first connecting member and a second connecting member disposed at an interval, wherein the first connecting member and the second connecting member are oppositely disposed with a pair of upper shaft holes, a pair of lower shaft holes and a pair of long sliding grooves; a sliding piece, two sides of which are respectively provided with a sliding tenon in a protruding way in the axial direction and sleeved in the long sliding chutes, and the top and the bottom of the sliding piece are respectively provided with an upper cambered surface and a lower cambered surface; a first clamping wheel, which is provided with a first through hole in the axial direction and a first concave part on the peripheral surface; a second clamping wheel, which is provided with a second through hole in the axial direction and a second concave part on the peripheral surface; the sliding part can movably form radial sliding along the long sliding grooves, so that when the upper cambered surface is buckled into the first concave part or the lower cambered surface is buckled into the second concave part, the first clamping wheel or the second clamping wheel is locked and cannot rotate; and at least one lantern ring made of high polymer elastic material is sleeved on at least one sliding tenon so as to reduce noise generated by the sliding of the sliding part along the pair of long sliding grooves in the radial direction.
In one embodiment, the first clamping wheel, the second clamping wheel and the adjacent surface of the first connecting piece are respectively provided with a first stop block and a second stop block; the first engaging wheel is provided with a first stopping portion for limiting the rotation stroke corresponding to the first stopping block, and the second engaging wheel is provided with a second stopping portion for limiting the rotation stroke corresponding to the second stopping block.
The present disclosure is directed to a dual-shaft hinge, which is intended to improve the problem of dimensional error of the first connecting member and the second connecting member in the conventional sliding locking device, so as to avoid noise generated by tilting of the sliding member during the longitudinal displacement of the sliding member, thereby improving the quality of the dual-shaft hinge.
To achieve the above objects, the technical means adopted by the present disclosure provides a biaxial hinge including a sliding type locking device including: the connecting piece is provided with a pair of upper shaft holes, a pair of lower shaft holes and a pair of long chutes in opposite directions; a sliding piece, two sides of which are respectively provided with a sliding tenon in a protruding way in the axial direction and sleeved in the long sliding chutes, and the top and the bottom of the sliding piece are respectively provided with an upper cambered surface and a lower cambered surface; a first engaging wheel having a first concave portion on an outer circumferential surface thereof; a second engaging wheel having a second concave portion on an outer circumferential surface thereof; a first mandrel, one end of which axially extends to penetrate the second connecting piece and forms linkage with the first clamping wheel and a first shaft lever of the first connecting piece; one end of the second mandrel axially extends to penetrate through the second connecting piece and forms linkage with the second clamping wheel and a second shaft rod of the first connecting piece; the sliding part can movably form radial sliding along the long sliding grooves, so that when the upper cambered surface is buckled into the first concave part or the lower cambered surface is buckled into the second concave part, the first clamping wheel or the second clamping wheel is locked and cannot rotate, and the first mandrel and the second mandrel can rotate alternately; and at least one lantern ring made of high polymer elastic material is sleeved on at least one sliding tenon so as to reduce noise generated by the sliding of the sliding part along the pair of long sliding grooves in the radial direction.
In one embodiment, the first clamping wheel, the second clamping wheel and the adjacent surface of the first connecting piece are respectively provided with a first stop block and a second stop block; the first engaging wheel is provided with a first stopping portion for limiting the rotation stroke corresponding to the first stopping block, and the second engaging wheel is provided with a second stopping portion for limiting the rotation stroke corresponding to the second stopping block.
In one embodiment, the other end of the first mandrel is provided with a first fixing part connected with a first bracket; the other end of the second mandrel is provided with a second fixing part connected with a second bracket.
In one embodiment, the first connecting member is disposed between the first mandrel and the second mandrel, and the first shaft rod and the second shaft rod are disposed through the third connecting member; wherein the first mandrel and the second mandrel are respectively provided with a friction gasket which is mutually linked between the second connecting piece and the third connecting piece in a penetrating way so as to increase the friction torque.
In an embodiment, the first spindle and the second spindle are respectively connected to a torsion auxiliary adjusting unit, each torsion auxiliary adjusting unit includes an elastic element for the first shaft and the second shaft to respectively penetrate through, and a tightening element for the first shaft and the second shaft to respectively lock.
In one embodiment, the elastic element is selected from a spring, a plurality of disk-shaped elastic pieces or a plurality of wave-shaped elastic pieces.
In one embodiment, a friction pad is disposed between the elastic element and the pressing member.
In one embodiment, a locking cam for the first shaft rod and the second shaft rod to penetrate and link is respectively arranged between the first connecting piece and the torsion auxiliary adjusting unit, and at least two protrusions capable of forming rotation limiting and automatic locking and at least two grooves for the at least two protrusions to be mutually embedded are oppositely arranged on the adjacent surface of each locking cam and the first connecting piece.
In one embodiment, a spacer ring is further disposed between the locking cam and the corresponding elastic element for the first shaft rod and the second shaft rod to respectively penetrate through and is made of a high polymer elastic material, so as to reduce the locking noise generated by the locking cam during the automatic locking.
Drawings
To further illustrate the embodiments of the present disclosure, reference is first made to the drawings, in which:
FIGS. 1 and 2 are exploded perspective views of a first embodiment of the dual-axis hinge of the present disclosure from two different perspectives;
FIG. 3 is an assembled perspective view of a first embodiment of the dual axis hinge of the present disclosure;
FIG. 4 is a cross-sectional view of the dual-axis hinge shown in FIG. 3;
FIGS. 5-7 are cross-sectional views of the dual-axis hinge of the present disclosure undergoing dual-axis alternating flipping;
FIG. 8 is a cross-sectional view of a second embodiment of a dual axis hinge of the present disclosure; and
FIG. 9 is a cross-sectional view of a third embodiment of a dual axis hinge of the present disclosure.
Detailed Description
In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.
Referring to fig. 1 to 7, the sliding locking device of the present disclosure includes a first connecting member 1, a first engaging wheel 2, a second engaging wheel 3, a sliding member 4, a second connecting member 5, and at least one collar 6.
As shown in fig. 1 and 2, the first connecting member 1 and the second connecting member 5 are disposed at an interval and oppositely provided with a pair of upper shaft holes 11, 51, a pair of lower shaft holes 12, 52 and a pair of long chutes 13 (shown in fig. 2), 53). Two sides of the sliding member 4 are respectively provided with a sliding tenon 41 in an axial direction, wherein one sliding tenon 41 is sleeved in the adjacent sliding slot 13, the other sliding tenon 41 is sleeved in the adjacent sliding slot 53, and the top and the bottom of the sliding member 4 are respectively provided with an upper arc surface 42 and a lower arc surface 43.
The first engaging wheel 2 is axially provided with a non-circular first through hole 21 and a first concave portion 22 on an outer circumferential surface, and the second engaging wheel 3 is also axially provided with a non-circular second through hole 31 and a second concave portion 32 on an outer circumferential surface.
During operation, the sliding member 4 can move along the pair of long sliding slots 13, 53 to form a radial sliding movement, so that the upper arc surface 42 is buckled into the first concave portion 22 or the lower arc surface 43 is buckled into the second concave portion 32, i.e. the first engaging wheel 2 or the second engaging wheel 3 is locked and can not rotate.
The sliding locking device is technically characterized in that at least one lantern ring 6 made of high polymer elastic materials, such as rubber or silica gel, is sleeved on at least one sliding tenon 41. That is, as shown in fig. 4, a collar 6 is sleeved on the sliding tenon 41 adjacent to the first connecting member 1 (first embodiment). As shown in fig. 8, a collar 6 is fitted over the sliding tenon 41 adjacent to the second connecting member 5 (second embodiment). As shown in fig. 9, two sets of rings 6 are respectively sleeved on the sliding tenon 41 adjacent to the first connecting member 1 and the sliding tenon 41 adjacent to the second connecting member 5 (third embodiment).
The arrangement of the at least one sleeve ring 6 enables at least one side of the sliding member 4 to provide a buffering function to eliminate the dimension error problem in the prior art, and supports the sliding member 4 to avoid tilting between the first engaging wheel 2 and the second engaging wheel 3, thereby achieving the effect of stabilizing the sliding member 4, and facilitating the operation of double-shaft alternate turning, thereby avoiding the generation of false torque force caused by excessive friction force, and improving the noise generation. Furthermore, the sliding member 4 is manufactured by turning, and the problem of life reduction caused by friction between different materials can be reduced through the arrangement of the at least one sleeve ring 6.
In particular, referring to fig. 1 and 2 again, the first engaging wheel 2 and the second engaging wheel 3 of the sliding type locking device are respectively provided with a first stopper 14 and a second stopper 15 at the adjacent surface of the first connecting member 1. The first engaging wheel 2 has a first stop portion 23 corresponding to the first stop 14 for limiting the rotation stroke, for example, 180 degrees, and the second engaging wheel 3 has a second stop portion 33 corresponding to the second stop 15 for limiting the rotation stroke, for example, 180 degrees.
Referring to fig. 1 to 4, the sliding locking device is used for a dual-shaft hinge, which includes the sliding locking device, a first mandrel 7, a second mandrel 8, and two sets of torsion auxiliary adjusting units 10.
One end of the first spindle 7 axially extends through the upper through hole 51 of the second connecting member 5, the first through hole 21 of the first engaging wheel 2 and a first shaft 71 of the upper through hole 11 of the first connecting member 1, so that the first engaging wheel 2 and the first shaft 71 are linked, and the other end has a first fixing portion 72, wherein the first fixing portion 72 is fixed to an electronic device, such as a notebook computer, by using a conventional connecting member, such as a rivet, and is connected to a first support a of a screen.
The whole structure of the second mandrel 8 is the same as the first mandrel 7, so one end of the second mandrel 8 also axially extends through the lower through hole 52 of the second connecting member 5, the second through hole 31 of the second engaging wheel 3 and a second shaft 81 of the lower through hole 12 of the first connecting member 1, and the other end has a second fixing portion 82, and the second fixing portion 82 is fixed to the electronic device, such as a notebook computer, by using a conventional connecting member, such as a rivet, and is connected to a second support B of a main body.
The dual-axis hinge further includes a third connecting member 9, the third connecting member 9 is disposed between the second connecting member 5 and the first and second mandrels 7 and 8, and is provided with an upper through hole 91 for the first shaft rod 71 to pass through and a lower through hole 92 for the second shaft rod 81 to pass through. Wherein a friction pad 93 is disposed between the second connecting member 5 and the third connecting member 9 and is coupled to the first spindle 7 and the second spindle 8, respectively, so as to increase the friction torque of the dual-axis hinge.
The first spindle 7 and the second spindle 8 are respectively connected with a torsion auxiliary adjusting unit 10, each torsion auxiliary adjusting unit 10 includes an elastic element 101 for the first shaft 71 and the second shaft 81 to respectively penetrate through, and a pressing member 102, such as an anti-slip nut, for the first shaft 71 and the second shaft 81 to respectively lock, thereby facilitating the micro adjustment of the torsion value of the spindles 2, 3. As shown in fig. 1 and fig. 2, the elastic element 101 is selected from a plurality of disc-shaped elastic pieces, but not limited thereto, in other embodiments, the elastic element 101 may be selected from a spring or a plurality of wave-shaped elastic pieces. Therefore, the first spindle 7 and the second spindle 8 are respectively affected by the elastic force of each elastic element 101 during the alternate rotation to form the axial torque variation and generate the stagnation and positioning effect.
In addition, the friction pad 93 is disposed between the elastic element 101 and the pressing element 102 to prevent the pressing element 102 and the elastic element 101 from being worn due to direct friction, so that the torque is stably formed within a predetermined range. In another embodiment, however, the auxiliary torque adjusting unit 10 is an optional component, which can be selectively used according to the actual torque requirement.
Particularly, a locking cam 103 for the first shaft rod 71 and the second shaft rod 81 to penetrate and link is respectively disposed between the first connecting member 1 and the torsion auxiliary adjusting unit 10, and at least two protrusions 104 and at least two grooves 16 for the at least two protrusions 104 to be mutually embedded are oppositely disposed on the adjacent surface of each locking cam 103 and the first connecting member 1, so as to form the dual-shaft hinge device with rotation limiting and automatic locking functions.
A spacing ring 105 made of polymer elastic material is disposed between the locking cam 103 and the corresponding elastic element 101 for the first shaft rod 71 and the second shaft rod 81 to penetrate through respectively, so as to reduce the locking noise generated by the locking cam 103 during automatic locking.
As shown in fig. 3 to 5, they show the perspective view and the sectional view after assembling the sliding type locking device, the first spindle 7, the second spindle 8, and the two sets of torsion auxiliary adjusting units 10. If the first bracket a is attached to an electronic device, such as a screen of a notebook computer, and the second bracket B is attached to a body of the electronic device, such as a notebook computer. The first bracket a and the second bracket B are disposed in parallel to form a first angle, such as a 0 degree configuration, that is, when the first engaging wheel 2 and the second engaging wheel 3 are at 0 degree, the upper arc surface 42 of the sliding member 4 is buckled into the first concave portion 22 of the first engaging wheel 2, so that the first engaging wheel 2 cannot rotate but only the second engaging wheel 3 can rotate.
As shown in fig. 6, the second mandrel 8 is rotated clockwise to a second angle, for example, 180 degrees, so that an included angle of 180 degrees is formed between the first bracket a and the second bracket B; that is, the second engaging wheel 3 rotates 180 degrees clockwise relative to the first engaging wheel 2, and at this time, the second concave portion 32 rotates to a position below the lower arc surface 43, so that a gap is formed therebetween, and the first engaging wheel 2 is unlocked.
As shown in fig. 7, the first spindle 7 is rotated counterclockwise to a third angle, for example, 180 degrees, so that the first bracket a and the second bracket B have been rotated by 360 degrees; that is, the first engaging wheel 2 rotates 180 degrees counterclockwise (360 degrees relative to the second engaging wheel 3) to make the sliding member 4 pushed by the outer circumference of the first engaging wheel 3 to slide longitudinally and downwardly, so that the lower arc surface 43 of the sliding member 4 is buckled into the second concave portion 23 of the second engaging wheel 3, and the second engaging wheel 3 cannot rotate but only the first engaging wheel 2 rotates clockwise.
Therefore, through the descriptions of fig. 5 to 7, a dual-axis alternating-turning mode is formed, so that the included angle formed between the first support a and the second support B can be adjusted by the first spindle 7 and the second spindle 8 in an alternating-rotation manner during the alternating turning of the dual axes, so that the body of the electronic device is in a cover-closed state of 0 degree relative to the screen, or in a superposed state of being opened and rotated to 360 degrees, and the body and the screen are reversely and oppositely overlapped, thereby avoiding the situation that the two spindles are arbitrarily turned over, and reducing the situation that the telecommunication line is twisted or entangled.
Therefore, through the implementation of the present disclosure, at least one set of elastic polymer material, such as rubber or silicone, is sleeved on at least one of the tenons, so that at least one side of the sliding member provides a buffering function to eliminate the dimension error problem in the prior art, and the sliding member is supported to avoid tilting between the first engaging wheel and the second engaging wheel, so as to obtain the effect of stabilizing the sliding member. Moreover, a spacing ring made of high molecular elastic material is arranged between the locking cam and the corresponding elastic element, so that the locking noise generated by the locking cam during automatic locking can be reduced, and the locking cam can be an unprecedented good structure for the similar articles.
The disclosure is a preferred embodiment, and it is apparent that local changes or modifications can be made by those skilled in the art without departing from the scope of the patent rights of the disclosure.
Claims (11)
1. A sliding type locking device comprises a first connecting piece and a second connecting piece which are arranged at intervals, wherein the connecting pieces are oppositely provided with a pair of upper shaft holes, a pair of lower shaft holes and a pair of long sliding chutes; a sliding piece, two sides of which are respectively provided with a sliding tenon in a protruding way in the axial direction and sleeved in the long sliding chutes, and the top and the bottom of the sliding piece are respectively provided with an upper cambered surface and a lower cambered surface; a first engaging wheel having a first concave portion on an outer circumferential surface thereof; a second engaging wheel having a second concave portion on an outer circumferential surface thereof; the sliding part can movably form radial sliding along the long sliding grooves, so that when the upper cambered surface is buckled into the first concave part or the lower cambered surface is buckled into the second concave part, the first clamping wheel or the second clamping wheel is locked and cannot rotate; the method is characterized in that:
at least one lantern ring made of high polymer elastic material is sleeved on at least one sliding tenon so as to reduce noise generated by the sliding of the sliding piece along the pair of long sliding grooves in the radial direction.
2. The sliding type locking apparatus as claimed in claim 1, wherein the first and second engaging wheels and the abutting surface of the first coupling member are provided with a first and second stopper, respectively; the first engaging wheel is provided with a first stopping portion for limiting the rotation stroke corresponding to the first stopping block, and the second engaging wheel is provided with a second stopping portion for limiting the rotation stroke corresponding to the second stopping block.
3. A dual-axis hinge, comprising:
a sliding type locking apparatus, comprising:
the connecting piece is provided with a pair of upper shaft holes, a pair of lower shaft holes and a pair of long chutes in opposite directions;
a sliding piece, two sides of which are respectively provided with a sliding tenon in a protruding way in the axial direction and sleeved in the long sliding chutes, and the top and the bottom of the sliding piece are respectively provided with an upper cambered surface and a lower cambered surface;
a first engaging wheel having a first concave portion on an outer circumferential surface thereof;
a second engaging wheel having a second concave portion on an outer circumferential surface thereof;
a first mandrel, one end of which axially extends to penetrate the second connecting piece and forms linkage with the first clamping wheel and a first shaft lever of the first connecting piece; and
a second mandrel, one end of which axially extends to penetrate through a second connecting piece and a second shaft rod which forms linkage with the second clamping wheel and the first connecting piece; the sliding part can movably form radial sliding along the long sliding grooves, so that when the upper cambered surface is buckled into the first concave part or the lower cambered surface is buckled into the second concave part, the first clamping wheel or the second clamping wheel is locked and cannot rotate, and the first mandrel and the second mandrel can rotate alternately; the method is characterized in that:
at least one lantern ring made of high polymer elastic material is sleeved on at least one sliding tenon so as to reduce noise generated by the sliding of the sliding piece along the pair of long sliding grooves in the radial direction.
4. A twin axle hinge as defined in claim 3, wherein the first engaging wheel and the second engaging wheel are provided with a first stopper and a second stopper, respectively, on the abutment surface of the first connecting member; the first engaging wheel is provided with a first stopping portion for limiting the rotation stroke corresponding to the first stopping block, and the second engaging wheel is provided with a second stopping portion for limiting the rotation stroke corresponding to the second stopping block.
5. A biaxial hinge as defined in claim 3, wherein the other end of said first spindle has a first fixing portion connected to a first bracket; the other end of the second mandrel is provided with a second fixing part connected with a second bracket.
6. The dual-axis hinge as claimed in claim 3, further comprising a third connecting member disposed between the second connecting member and the first and second spindles for the first and second shafts to pass through; wherein the first mandrel and the second mandrel are respectively provided with a friction gasket which is mutually linked between the second connecting piece and the third connecting piece in a penetrating way so as to increase the friction torque.
7. The dual-axis hinge as claimed in claim 3, wherein each of the first and second spindles is connected to a torsion auxiliary adjusting unit, each torsion auxiliary adjusting unit includes an elastic element for the first and second shafts to pass through, and a tightening member for the first and second shafts to lock.
8. The dual-axis hinge as claimed in claim 7, wherein the elastic element is selected from a spring, a plurality of disk-shaped elastic pieces or a plurality of wave-shaped elastic pieces.
9. The dual-axis hinge as claimed in claim 7, wherein a friction pad is further disposed between the elastic member and the pressing member.
10. A dual-axis hinge as claimed in claim 3, wherein a locking cam is disposed between the first connecting member and the auxiliary torque adjusting unit for the first shaft and the second shaft to pass through and be linked with each other, and at least two protrusions capable of forming rotation limitation and automatic locking and at least two grooves for the at least two protrusions to be engaged with each other are disposed opposite to the adjacent surface of the first connecting member.
11. The dual-axis hinge as claimed in claim 10, wherein a spacer ring made of a polymer elastic material is disposed between the locking cam and the corresponding elastic element for the first shaft and the second shaft to pass through respectively, so as to reduce the locking noise generated by the locking cam during the automatic locking.
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CN202020150616.8U CN211648774U (en) | 2020-02-03 | 2020-02-03 | Sliding type locking device and double-shaft hinge with same |
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CN202020150616.8U CN211648774U (en) | 2020-02-03 | 2020-02-03 | Sliding type locking device and double-shaft hinge with same |
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