CN209354516U

CN209354516U - Biaxial linkage type pivot device

Info

Publication number: CN209354516U
Application number: CN201822273851.XU
Authority: CN
Inventors: 张瑞鸿; 张信忠
Original assignee: Jarllytec Co Ltd
Current assignee: Jarllytec Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-09-06
Anticipated expiration: 2028-12-29

Abstract

A kind of biaxial linkage type pivot device, including bearing seat, one side is equipped with idle pulley accommodation groove, and the bearing seat oncoming lane face interval be equipped with the first accommodation groove and the second accommodation groove, and will between idle pulley accommodation groove, the first accommodation groove and the second accommodation groove formed be interconnected form: be wherein pivoted in idle pulley accommodation groove intermeshing first idle pulley and the second idle pulley；It is the first shaft non-circular and for first gear setting that first mandrel, which axially has section, and the first shaft wears the first accommodation groove, after so that first gear is meshed with the first idle pulley, and further wears connector；It is the second shaft non-circular and for second gear setting that second mandrel, which axially has section, second shaft wears the second accommodation groove, make second gear after being meshed with the second idle pulley and the gear set with linkage function is collectively formed with first gear and the first idle pulley, and the second shaft further wears connector；First shaft and the second shaft are respectively self-bonded one end sealing in the outside of connector.

Description

Biaxial linkage type pivot device

Technical field

The utility model relates to a kind of biaxial linkage type pivot devices, espespecially a kind of to provide a tooth by a framework bearing seat Wheel group, a first axle wheel portion and the biaxial linkage type pivot device for being pivoted with engaging in one second spindle gear portion.

Background technique

Now for portable electronic devices, such as the design of laptop, in order to improve portability, usually It can be reached with reducing volume and the thickness of laptop, and in the case where available space is reduced, how suitably to dispose Each electronic component becomes a major challenge in the design for the portable electronic devices.

In laptop, so-called pivot device is for being pivotally connected host and display screen, to provide host and display The function that can be mutually pivotable between screen.And existing biaxial linkage type pivot device is big in operating angle, such as 0 degree to 360 degree In the case where, in order to which the gear set of the pivot device and torque structure can be completely coated with, so the size of protective shell is set Meter can be bigger, and many limitations, such as the screen of laptop will be so caused to the design of laptop Need to reserve more space to the protective shell of the biaxial linkage type pivot device with the position of host pivot joint.

One is disclosed as shown in Chinese patent bulletin 207554552 U patent of CN for the size for reducing the protective shell Kind twin axle project planning and electronic equipment comprising two shafts, two roll films, a bearing seat and a gear set；Each shaft With a torsion section, a fixed section and the construction section between the torsion section and the fixed section, and the fixation of those shafts Section, which plugs, to be fixed on the bearing seat；And the gear set is arranged in the bearing seat and is set in being somebody's turn to do for those shafts with being able to rotate On construction section；Each roll film includes a torsion portion and the sheet body from torsion portion extension, those torsion portions of those roll films are respectively Be arranged and be connected to the corresponding torsion section, and those sheet bodies be then respectively mounted on the gear set and with the gear set synchronous rotary； Wherein those torsion portions are respectively relative to corresponding shaft rotation, and form friction with the torsion section of the respectively shaft to generate Torsion.Therefore, those roll films and its corresponding respectively torsion section can be installed in respectively in two electronic devices of electronic equipment, To effectively reduce a protective shell size of twin axle project planning.

Though the bearing seat must accommodate all gears simultaneously however, aforementioned patent can reduce the size of the protective shell When group, since the element of the gear set itself is too small, cause assembler can not be rapidly by the assemble gearsets in the bearing seat It is interior.In addition, aforementioned patent must pass through a first gear of the gear set and a respective mounting hole for a second gear and this First shaft and the respective construction section of second mandrel carry out grafting, should when causing to rotate those first mandrels, the second mandrel Between a little mounting holes and those construction sections then can phase mutual friction may cause excessive wear without applying the feelings used over time Shape occurs.In addition, in order to cooperate the positioning that symbol is 13 in tradition buckle connection sheet, such as Fig. 2 and Fig. 3 of aforementioned patent The use of piece, therefore corresponding segment difference structure (or circular groove structure) of arranging in pairs or groups can be set in each shaft, to be easy to weaken each The structural strength of a shaft, and then can shake in overall operation or service life is not easy the problems such as extending.

Therefore, to solve the above problems, this field need it is mutual between a kind of two components that can provide an electronic device The protective shell size and part for pivoting, reducing biaxial linkage type pivot device use, are convenient to assemble and can reduce torsion institute The loss of generation reduces shaking, the shortcomings that improve the prior art.

The utility model main purpose is to provide a kind of biaxial linkage type pivot device, fill with that can provide an electronics The protective shell size for being mutually pivotable, reducing the biaxial linkage type pivot device, ease of assembly between two components set and subtract Loss and other effects caused by few torsion, or even to eliminate the need for tradition buckle connection sheet equivalent to reduce shaking and extension service life Fruit, therefore the advantages of have both structural strength and stability.

In order to reach purpose above-mentioned, the technological means that the utility model is taken is to provide a kind of biaxial linkage type pivot Device comprising a bearing seat, one side be equipped with an idle pulley accommodation groove, and the bearing seat oncoming lane face interval set There are one first accommodation groove and one second accommodation groove, and will be between the idle pulley accommodation groove, first accommodation groove and second accommodation groove Form the form that is interconnected: be wherein pivoted in the idle pulley accommodation groove intermeshing one first idle pulley and one second idle pulley；One One mandrel, it is one first shaft non-circular and for first gear setting that axial direction, which has section, which wears this First accommodation groove after so that the first gear is meshed with first idle pulley, and further wears a connection piece；And one second heart Axis, axial direction have section be it is non-circular and for a second gear setting one second shaft, second shaft wear this second Accommodation groove makes the second gear after being meshed with second idle pulley and is collectively formed with the first gear and first idle pulley to have One gear set of linkage function, and second shaft further wears the connector；And by first shaft and second axis Bar is respectively self-bonded one end sealing in the outside of the connector.

In one embodiment, the idle pulley accommodation groove, first accommodation groove and second accommodation groove are with an outer wall packet The groove covered.

In one embodiment, which is the groove coated with an outer wall, the top of first accommodation groove With hollow-out parts on open one, and the lower section of second accommodation groove then has open hollow-out parts once.

In one embodiment, the first gear of the gear set, first idle pulley, second idle pulley are equal with the second gear For the oblique gear with tilt angle.

In one embodiment, the first gear of the gear set, first idle pulley, second idle pulley are equal with the second gear For spur gear.

In one embodiment, which further comprises a positioning mechanism, which includes Positioning piece and at least a revolving part, the locating piece are set to the outside of the connector；And first shaft and second shaft In at least one shaft pass through the locating piece, and wear at least one rotation for being formed and being interlocked at least one shaft Part, the locating piece is opposite with the adjacent surface of the respectively revolving part to be equipped at least a pair of of positioning groove and at least a pair of of locating convex block.

In one embodiment, at least one shaft in first shaft and second shaft passes through the connector, and It wears and forms at least limit film interlocked at least one shaft, an at least limit film is made to be located in the connector and be somebody's turn to do Between locating piece, wherein respectively the limit film radially projects a fan-shaped stop part, and the side of the respectively locating piece of the limit film is abutted In face of should according to preset closure or reversely stacked angle projects a block in the rotating path of stop part.

In one embodiment, an at least revolving part is located between the locating piece and respectively the end seal part；And the revolving part with should The elastic element worn for first shaft and second shaft is further provided between end seal part.

In one embodiment, the outside of the bearing seat to the respectively end seal part is arranged a protective shell, is equipped with inside the protective shell A connection piece is separately passed through the partition, and interlocking is in the positioning to separate out room in supply bearing seat accommodating one by one partition On part.

For product, feature and its purpose that can further appreciate that the utility model, it is now accompanied by attached drawing and preferred specific implementation Detailed description are as follows for example.

Utility model content

In one embodiment, which further comprises a positioning mechanism, which includes Positioning piece and at least a revolving part, the locating piece are set to the outside of the connector；And first shaft and second shaft In at least one shaft pass through the locating piece, and wear at least one rotation for being formed and being interlocked at least one shaft Part, the locating piece is opposite with the adjacent surface of the revolving part to be equipped at least a pair of of positioning groove and at least a pair of of locating convex block.

In one embodiment, at least one shaft in first shaft and second shaft passes through the connector, and It wears and forms at least limit film interlocked at least one shaft, an at least limit film is made to be folded in the connector and be somebody's turn to do Between locating piece, wherein respectively the limit film radially projects a fan-shaped stop part, and the side of the respectively locating piece of the limit film is abutted In face of should according to preset closure or reversely stacked angle projects a block in the rotating path of stop part.

In one embodiment, which is located between the locating piece and respectively the end seal part；And the revolving part with The elastic element worn for first shaft and second shaft is further provided between the end seal part.

Detailed description of the invention

Fig. 1 is the stereogram exploded view of the utility model biaxial linkage type pivot device embodiment 1；

Fig. 2 is the stereogram exploded view at another visual angle of biaxial linkage type pivot device shown in Fig. 1；

Fig. 3 is the perspective view after biaxial linkage type pivot device shown in Fig. 1 removes protective shell；

Fig. 4 is the sectional view that Fig. 3 is intercepted along line A-A；

Fig. 5 is perspective view of biaxial linkage type pivot device shown in Fig. 1 by protective shell group after vertical；

Fig. 6 is the stereogram exploded view of the utility model biaxial linkage type pivot device embodiment 2；

Fig. 7 is the stereogram exploded view of the utility model biaxial linkage type pivot device embodiment 3；

Fig. 8 is the perspective view after biaxial linkage type pivot device shown in Fig. 7 removes protective shell；

Fig. 9 is the sectional view that Fig. 8 is intercepted along line A-A；And

Figure 10 is the stereogram exploded view of the utility model biaxial linkage type pivot device embodiment 4.

Specific embodiment

Fig. 1 to Fig. 5 is please referred to, the utility model discloses a kind of biaxial linkage type pivot devices comprising a bearing seat 1, one first mandrel 2, one second mandrel 3, a connection piece 4, two groups of end seal parts 5, a positioning mechanism 6, at least a limit film 7, with An and protective shell 8.

The shape of the bearing seat 1 is a framework, and one side is equipped with an idle pulley accommodation groove 11 (as shown in Figure 2), and opposite is another Then compartment of terrain is equipped with one first accommodation groove 12 and one second accommodation groove 13 on one side.The idle pulley accommodation groove 11, first accommodation groove 12 It is the groove with outer wall cladding with second accommodation groove 13, and by the idle pulley accommodation groove 11, first accommodation groove 12 The form that is interconnected is formed between second accommodation groove 13.

Be pivoted one first idle pulley 111 and one second idle pulley 112 in the idle pulley accommodation groove 11, first idle pulley 111 and this Two idle pulleys 112 are hubbed in the idle pulley accommodation groove 11, and first idle pulley 111 and second idle pulley 112 are intermeshed, so that should The rotation direction of first idle pulley 111 is opposite with the rotation direction of second idle pulley 112.

The axially extending section in first mandrel, 1 one end is the first shaft non-circular and for a first gear 22 setting 21, and the other end then have can a radial affixed first connecting portion 23, which opens up multiple fixation holes 231, To supply existing connector, such as rivet to pass through those fixation holes 231, and lock on an electronic device, such as notebook electricity Brain connects a first support A of a screen.First shaft 21 wears first accommodation groove 12, make the first gear 22 this After being meshed in one accommodation groove 12 with first idle pulley 111, which further wears a upper end hole of the connection sheet 4 41, and first shaft 21 is combined into one end sealing 5 on the outside of the connector 4.

The axially extending section in second mandrel, 3 one end is the second shaft non-circular and for a second gear 32 setting 31, and the other end then have can a radial affixed second connecting portion 33, which opens up multiple fixation holes 331, To supply existing connector, such as rivet to pass through those fixation holes 331, and lock on the electronic device, such as notebook electricity Brain connects a second support B of an ontology.Second shaft 31 wears second accommodation groove 13, make the second gear 32 this After being meshed in two accommodation grooves 13 with second idle pulley 112, make the first gear 22, first idle pulley 111, second idle pulley 112 and the second gear 32 gear set with linkage function is collectively formed；And second shaft 31 is then further worn Stomidium 42 once of the connection sheet 4, and second shaft 31 is combined into other end sealing 5 on the outside of the connection sheet 4.

Those end seal parts 5 respectively include a gasket 51, and those end seal parts 5 be respectively installed in first shaft 21 and this The outer end (end) of two shaft lever 31, wherein the end of first shaft 21 and second shaft 31 is equipped with a screw thread, therefore, should A little end seal parts 5 are preferred when implementing with Anti-releasing nut.

The connector 4 abuts against the outside of the idle pulley accommodation groove 11, to close the idle pulley accommodation groove 11, so as to by this first The both ends of idle pulley 111 and second idle pulley 112 are hubbed at the connector 4 and the idle pulley accommodation groove 11, so that first idle pulley 111 It fixes and is intermeshed in the idle pulley accommodation groove 11 with second idle pulley 112, wherein first idle pulley 111 and second idle pulley 112 outer diameter is less than the internal diameter of the idle pulley accommodation groove 11, in this way, when first idle pulley 111 and second idle pulley 112 rotate, First idle pulley 111 and second idle pulley 112 will not generate friction with the idle pulley accommodation groove 11, send out to avoid the case where interference It is raw.

In turn, which further comprises a positioning mechanism 6, and as shown in Figures 1 and 2, which includes one Locating piece 61 and at least a revolving part 62, which is arranged in the outside of the connector 4, and wraps jointly with the connector 4 An at least limit film 7 is pressed from both sides, an at least limit film 7 is made to become a friction element；Wherein corresponding first axle bar of the locating piece 61 21 and 31 position of the second shaft open up respectively and for its pass through one on perforation 611 and once perforation 612 after, those shafts 21, at least shaft in 31, such as first shaft 21 and second shaft 31 respectively wear the revolving part interlocked with it 62, and around those upper and lower perforation 611,612 of the locating piece 61 it is opposite with the adjacent surface of an at least revolving part 62 be equipped with to Few a pair of positioning groove 613 and at least a pair of of locating convex block 621, to obtain automatic closure and labor-saving effect.Separately by Fig. 1 and Fig. 2 It can be found that an at least revolving part 62 is located between the locating piece 61 and respectively the end seal part 5.

In addition, first shaft 21 passes through the upper end hole 41 of the connection sheet 4, and second shaft 31 passes through the connection sheet After the 4 lower stomidium 42, an at least shaft in those shafts 21,31, such as first shaft 21 and second shaft 31 it is each From the limit film 7 interlocked with it is worn, respectively the limit film 7 radially projects a fan-shaped stop part 71, and abuts the respectively limit film 7 The locating piece 61 side, such as according to preset closure or reversed in the corresponding respectively rotating path of the stop part 71 of medial surface Stacked angle projects a block 614.Therefore, when two ora terminalis of each stop part 71 of the limit film 7 respectively resist the locating piece When 61 block 614, that is, represents first mandrel 1 and second mandrel 2 rotation is preset to this and is closed, is reversely stacked angle, Such as 0 degree, the limitation of 180 degree.Wherein the closure, reversed stacked screen for referring respectively to the cover-lifting type electronic device are opposite In the ontology in 0 degree lid conjunction state or raising to 360 degree rotation, make the screen and the ontology reversely back to overlapping shape State is respectively referred to as below with closure, reversed be stacked.

When the pivot device is in closure or reversed stacked state, this is to locating convex block 621 and 61 outside of locating piece Surface forms contact form, and when the revolving part 62 rotation is to a predetermined angle (support angle), such as at 105 degree, this is to fixed Position groove 613 is caught in locating convex block 621 for this, thus locating effect when forming support.Another is to provide the positioning mechanism 6 Torsion (elastic force) source, therefore, be further provided between the revolving part 62 and the end seal part 5 for first shaft 21 and should The elastic element 52 that second shaft 31 is worn, the elastic element 52 can be multiple elastic slices 521 or at least one spring when implementing (not shown), those elastic slices 521 have cambered surface, and the cambered surface of those elastic slices 521 is overlapped in such a way that front and back sides are staggered, with shape At preferred elasticity.

After the pivot device is stood via aforementioned components group, solid shape is as shown in figure 3, and Fig. 4 is then shown along Fig. 3's Line A-A intercepts first idle pulley 111 and second idle pulley 112 engaged between the first gear 22 and the second gear 32 Sectional view, from the graph, it is apparent that the first gear 22, first idle pulley 111, second idle pulley 112 and the second tooth Wheel 32 forms meshing relation each other in first accommodation groove 12, the idle pulley accommodation groove 11 and second accommodation groove 13, and not Reason gap and cause loosen the case where.

Referring again to Fig. 1, Fig. 2 and Fig. 5, to avoid foreign matter from falling into the more of those idle pulleys 111,112 and those gears 22,32 In a backlash, and rotation is interfered, therefore the outside of bearing seat 1 to those end seal parts 5 is arranged a protective shell 8, in the protective shell 8 Portion is equipped with a partition 81, to separate out a gear set, connection that those idle pulleys 111,112 and those gears 22,32 are constituted Part 4, an at least limit film 7, the positioning mechanism 6, the elastic element 52 and the end seal part 5 accommodating one in room 82, separately will A connection piece 821, such as screw is across the partition 81 and interlocking is in the locating piece 61 of the positioning mechanism 6, it can be by the protection The aforementioned components of the cladding of the shell 8 pivot device one end.

In the embodiments of the present invention 1, those idle pulleys 111,112 and those gears 22,32 in the gear set are Selecting has tilt angle, such as the oblique gear of 20 degree of inclination.As shown in fig. 6, in the embodiments of the present invention 2, it should Those idle pulleys 111,112 and those gears 22,32 in gear set are to select spur gear.

Since the idle pulley accommodation groove 11 and first accommodation groove 12, second accommodation groove 13 set up separately in 1 opposite direction of the bearing seat Two sides, with provide respectively gears 22,32 of those idle pulleys 111,112 and those mandrels 2,3 from the bearing seat 1 it is opposite two Side is directed respectively into, and facilitates the assembling of the pivot device.It for example, is first by first heart when which assembles After axis 2 and second mandrel 3 are fixed on a jig, then by first accommodation groove 12 of the bearing seat 1 and second accommodation groove 13 It is socketed in the first gear 22 of first mandrel 2 and the second gear 32 of second mandrel 3 respectively；Then, in the idle pulley Accommodation groove 11 is built into first idle pulley 111 and second idle pulley 112；Then, by the connector 4, an at least limit film 7, The positioning mechanism 6 and two groups of end seal parts 5 are sequentially installed in first mandrel 2 and second mandrel 3；Finally by the protection Shell 8 is arranged and is coated on the bearing seat 1 to the region of two groups of end seal parts 5, that is, completes the assembling of the pivot device.

As shown in Figure 7 to 9, the embodiment 3 of the biaxial linkage type pivot device is shown, the present embodiment is compared to implementation 1 identical label (symbol) of example is for indicating identical component, since the present embodiment shares many shared structures with the embodiment 1 Part, thus will only be explained in detail at the difference of the two in rear.

The bearing seat 1 of the present embodiment is that the idle pulley accommodation groove 11 is to coat with an outer wall with 1 difference of embodiment A groove, the top of first accommodation groove 12 has hollow-out parts 121 on open one, and the lower section of second accommodation groove 13 is then With open hollow-out parts 131 once.That is, first accommodation groove 12 is with second accommodation groove 13 and not only with the implementation First accommodation groove 12 completely coated by outer wall is necessary for shown in example 1 to be limited with second accommodation groove 13.

As shown in Figure 10, the embodiment 4 of the biaxial linkage type pivot device is shown, the present embodiment is compared to the embodiment 2 identical labels (symbol) are for indicating identical component, since the present embodiment shares many shared structures with the embodiment 1 Part, thus will only be explained in detail at the difference of the two in rear.

The present embodiment is those idle pulleys 111,112 and those gears 22,32 that will have spur gear shown in the embodiment 2, And the bearing seat 1 with hollow-out parts 121 on this and the lower hollow-out parts 131 shown in the embodiment 3 is applied to this reality together Apply example.

So by the implementation of the utility model, the effect of the pivot device institute gain compared to existing technologies, this Idle pulley accommodation groove and first accommodation groove, second accommodation groove of utility model set up separately in the two sides of bearing seat opposite direction, Other than the materials for reducing the bearing seat, moreover it is possible to possess the structural strength of the bearing seat, to provide those idle pulleys and those hearts Respectively gear of axis is directed respectively into from the two sides of bearing seat opposite direction, in addition can be reduced the use of tradition buckle connection sheet, with Avoid weakening the structural strength of each shaft, to facilitate the assembling of the pivot device.In turn, which provides the electricity Being mutually pivotable between sub-device, such as the display screen and the host of laptop, enables to reduce rolling when overall operation Dynamic hair is born with stability, and can reach reduce biaxial linkage type pivot device protective shell size, be convenient to assembling and Loss and other effects caused by torsion is reduced, is a ware preferred structure not seen before.

Disclosed in the utility model is preferred embodiment, all local change or modification and be derived from the utility model skill Art thought and be easy to deduce by those skilled in the art, all do not depart from the patent right scope of the utility model.

Claims

1. a kind of biaxial linkage type pivot device characterized by comprising

One bearing seat, one side are equipped with an idle pulley accommodation groove, and the bearing seat oncoming lane face interval be equipped with one the One accommodation groove and one second accommodation groove, and phase will be formed between the idle pulley accommodation groove, first accommodation groove and second accommodation groove Intercommunicated form: be wherein pivoted in the idle pulley accommodation groove intermeshing one first idle pulley and one second idle pulley；

One first mandrel, it is one first shaft non-circular and for first gear setting, the first axle that axial direction, which has section, Bar wears first accommodation groove, after so that the first gear is meshed with first idle pulley, and further wears a connection piece；And

One second mandrel, it is one second shaft non-circular and for second gear setting, second axis that axial direction, which has section, Bar wears second accommodation groove, make the second gear after being meshed with second idle pulley and with the first gear and first idle pulley The gear set with linkage function is collectively formed, and second shaft further wears the connector；And by the first axle Bar and second shaft are respectively self-bonded one end sealing in the outside of the connector.

2. biaxial linkage type pivot device according to claim 1, which is characterized in that the idle pulley accommodation groove, first appearance It sets slot and second accommodation groove is the groove with outer wall cladding.

3. biaxial linkage type pivot device according to claim 1, which is characterized in that the idle pulley accommodation groove is with outside one The top of one groove of wall cladding, first accommodation groove has hollow-out parts on open one, and the lower section of second accommodation groove is then With open hollow-out parts once.

4. biaxial linkage type pivot device according to claim 1, which is characterized in that the first gear of the gear set, First idle pulley, second idle pulley are the oblique gear with tilt angle with the second gear.

5. biaxial linkage type pivot device according to claim 1, which is characterized in that the first gear of the gear set, First idle pulley, second idle pulley are spur gear with the second gear.

6. biaxial linkage type pivot device according to claim 1, which is characterized in that including a positioning mechanism, the positioning Mechanism includes that the outside of the connector is arranged in positioning piece and an at least revolving part, the locating piece；And first shaft and At least one shaft in second shaft passes through the locating piece, and wear formed at least one shaft interlock this extremely A few revolving part, the locating piece is opposite with the adjacent surface of the respectively revolving part to be equipped at least a pair of of positioning groove and at least a pair of of positioning Convex block.

7. biaxial linkage type pivot device according to claim 6, which is characterized in that first shaft and second shaft In at least one shaft pass through the connector, and wear and form at least limit film interlocked at least one shaft, Making this, at least a limit film is folded between the connector and the locating piece, wherein respectively the limit film radially projects a fan-shaped backstop Part, and the side of the adjacent respectively locating piece of the limit film correspond in the rotating path of the stop part according to preset closure or instead A block is projected to stacked angle.

8. biaxial linkage type pivot device according to claim 6, which is characterized in that an at least revolving part is fixed positioned at this Position part and respectively between the end seal part；And it is further provided between the revolving part and the end seal part for first shaft and second axis The elastic element that bar is worn.

9. biaxial linkage type pivot device according to claim 1, which is characterized in that the bearing seat to the respectively end seal part Outside is arranged a protective shell, and a partition is equipped with inside the protective shell, to separate out room in supply bearing seat accommodating one, separately will A connection piece passes through the partition, and interlocking is on the locating piece.