CN1441142A

CN1441142A - Self-locking hinge structure with single stable position

Info

Publication number: CN1441142A
Application number: CN 02105283
Authority: CN
Inventors: 潘隆智
Original assignee: BenQ Corp
Current assignee: BenQ Corp
Priority date: 2002-02-25
Filing date: 2002-02-25
Publication date: 2003-09-10
Anticipated expiration: 2022-02-25
Also published as: CN1191420C

Abstract

The self-locking hinge structure with single stable position includes one shaft, one first position limiting ring, one stator block, one compressino spring and one rotating block. All the first position limiting ring, the stator block, the compression spring and the rotating block are set successively on the shaft. Both the stator block and the rotating block can slide and rotate. By means of the compression of the compression spring and the contact between the stator block and the rotating block to form cam type automatic sliding, the self-locking hinge structure in any relative position may be returned on some single stable position automatically.

Description

The self-locking hinge structure of tool single stable position

Technical field

The present invention relates to a kind of coupling member structure, particularly about a kind of self-locking hinge structure.

Technical background

Known hinge arrangement is that general reference applies between two plates, or the mechanism that folds (Folding mechanism) between plate and a body, common just like applying to the free hinge that door sets up usefulness, this hinge only provides the free rotation space of door, there is no the settling position design of any structure itself, that is, in this hinge arrangement, and high point of indifferent relative potential energy (Potential energy) or relative potential energy low spot, therefore, it there is no any positive effect for the control utilization except that the operation that folds that can provide between two plates or a plate and a body.

Again, the utilization of another kind of hinge arrangement is found in the door opened that needs normality to close and designs, this hinge arrangement comprises that normally the pivot and of specializing in pivot usefulness provides damping and the response agency of closing restoring force, one end of this response agency is to be connected on the door, the other end then is located on the wall of installing door, when door is rotarily opened by external force, promptly store potential energy in response agency, and when external force discharged, response agency promptly disengages potential energy made slowly (because of the effect of damper) closure of door; But in this type of hinge means, commonly, because of wearing out of damper, and door can't be closed gradually really, that is the relative potential energy low spot of this apparatus structure can be because of the aging phenomenon that produce skew of element.

Aforesaid two hinge structure, the one, the design of no relatively stable position (as free hinge), another is for having the design of single relative potential energy low spot (door opened of closing as the need normality); In another hinge arrangement is implemented, hinge arrangement is to have two relative potential energy low spots, for example apply to the part cupboard or as the hinge arrangement on the mobile phone key protecting cover plate, promptly because of its suitable configuration that includes torsionspring (Torsionspring) and utilize other position limiting structures between plate, and so that this type of hinge arrangement have two relative settling positions (Local stable Point that is, and this two relative settling position generally all is arranged in closed and an enable possition of the device that uses two relative potential energy low spots); Having the mobile phone that can open the button protecting cover with one is example, it is in order to normally to have two relative settling positions with cover plate with the hinge arrangement of mobile phone body combination, one is the make position of cover plate on button, and another then is opened into certain angle for dialing or answer the enable possition of operation for cover plate pivots; Similarly, in the common hinge arrangement that cupboard used of opening the cabinet door, its hinge arrangement also is the difference along with cabinet door position, and has a cabinet door to open the position of closing with a cabinet door.

As previously mentioned, the hinge arrangement of one improvement can have two relative settling positions, in general utilization, is the meaning that has in the control, for example, with aforesaid hand-set lid is example, when the user will open or close cover plate, only needs a hand-held adept machine body, another hand push send or starts cover plate one segment distance, so that enough external force to be provided, make hinge arrangement jump to another relatively stable position by a relatively stable position, can reach the purpose of conversion cover plate state; Only, in this type of utilization, it provides the application of force of transition state obviously all must be the application of force of a generation moment of torsion, be with, consider that with regard to human manually operated characteristic the operation that folds (especially as more small-sized structural utilizations such as mobile phones) of two plates is to need both hands and can reach (proficiency is body fixedly, and another hand is implemented moment of torsion on cover plate) with beginning, therefore, its operation obviously has it to treat improvement place.

Summary of the invention

Main purpose of the present invention is that another kind of self-locking hinge structure is being provided, and utilizes the cam slide contact mode between two axial member, and built-in one single settling position makes it in arbitrary position, all can automatically return on this relatively stable position.

The object of the present invention is achieved like this:

A kind of self-locking hinge structure of tool single stable position is in order to providing hinge to rotatablely move to automatically return to the function of this single stable position, and this hinge arrangement includes:

One axis body has a positive stop end and a free end;

One first spacing ring is that slide pivot is located on this positive stop end of this axis body;

One stator block, be with one slide but not rotating manner be located on this axis body;

One compression spring is on this axis body of being located between this first spacing ring and this stator block; And

One moving block is being located on this axis body near this free-ended mode slide pivot of this axis body, and with this stator block against;

It is characterized in that: this moving block has a slide plane towards this stator block, this slide plane is to be made of around this axis body a strict concave surface, this slide plane has a minimum point, and this stator block have one protruding to and be pressed on protruding contact on this slide plane, when this stator block and this moving block are in arbitrary relative position, this compression spring is all with this protruding contact of this stator block, the axial compressing of complying with this axis body is on this slide plane of this moving block, so that this slide plane slides on this protruding contact of this stator block automatically, interlock rotates on this axis body for this moving block, and stops when this protruding contact reaches this minimum point of this slide plane.

The protruding contact of this of described this stator block is the highest protruding contact of a convex surface.

Described this axis body is the unfilled corner circular section with at least one unfilled corner with respect to a cross section of this stator block placement, this stator block then has and this unfilled corner circular section coincide complementary corresponding axis hole configuration cross section, the relativeness of rotating manner not so that this stator block must carry out this slip on this axis body.

Described this axis body is one to have the cylinder shaft body of at least one axial keyway with respect to this stator block placement, the axis hole of this stator block then has the corresponding outstanding key that cooperates with this keyway, nationality is cooperated by this outstanding key and this axial keyway, makes this fixed dried piece be able to carry out this slip on this axis body but the relativeness of rotating manner not.Or

One axis body has a positive stop end and a free end;

One moving block is being located on this axis body near this free-ended mode of this axis body, slide pivot, and with this stator block against;

It is characterized in that: this stator block has a stator face towards this moving block, this stator face is to be made of around this axis body a strict concave surface, this stator mask has a minimum point, and this moving block have one protruding to and be pressed on protruding contact on this stator face, when this stator block and this moving block are in arbitrary relative position, this compression spring is all with this stator face of this stator block, comply with the axial of this axis body, compressing is on this protruding contact of this moving block, so that this protruding contact slides on this stator face automatically, interlock rotates on this axis body for this moving block, and stops when this protruding contact reaches this this minimum point of stator face.

The protruding contact of this of wherein said this moving block is the most protruding contact of a convex surface.

Described this axis body is one to have the cylinder shaft body of at least one axial keyway with respect to this stator block placement, the axis hole of this stator block then has the corresponding outstanding key that cooperates with this keyway, by cooperating of this outstanding key and this axial keyway, be to make this stator block on this axis body, carry out this slip but the relativeness of rotating manner not.And have

A kind of folding body device is characterized in that, includes:

One first is to have one first side is set;

One second, be have one with this first be provided with side corresponding second side is set: and

At least one self-locking hinge structure with a settling position, be to be arranged at this first side and this second is set is provided with on the side, so that this first must be carried out the motion that folds with respect to this second, wherein, this hinge arrangement provides single settling position, comprises again:

One axis body has a positive stop end and a free end;

One first spacing ring is to be fixedly arranged on this this of first in the mode near this this positive stop end of axis body first to be provided with on the side, and comprises that axis hole slides for this axis body in one;

One stator block, be with one slide but not rotating manner be located on this axis body, have a stator face that is provided with towards this free end of this axis body again;

One moving block, be near this free end of this axis body and be fixedly arranged on this this of second and second be provided with on the routine limit, have an axis hole and slide and rotate, include one again and make contact to a cam-type right slide plane that slides automatically towards this stator block and with this stator face for this axis body;

Wherein, this cam-type is automatically slided to being to have a slip halt; When this stator face of this stator block and this slide plane of this moving block form any conflict and cooperate, this compression spring is about to this stator block compressing to this moving block, relative this stator face of this slide plane (this moving block of interlock with this second) is slided automatically, when reaching this slip halt, end.

This stator face is to be made of around this axis body a strict concave surface, and this stator face has a minimum point again, and this moving block have one protruding to and be pressed on protruding contact on this stator face.

To be a strict concave surface constitute around this axis body this slide plane, and this slide plane has a minimum point again, and this stator block have one protruding to and be pressed on protruding contact on this slide plane.

This axis body is one to have the unfilled corner circular section of at least one unfilled corner with respect to a cross section of this stator block placement, this stator block then has the corresponding axis hole configuration cross section with this unfilled corner circular section complementation, the relativeness of rotating manner not so that this stator block must carry out this slip on this axis body.

This axis body is one to have the cylinder shaft body of at least one axial keyway with respect to this stator block placement, the axis hole of this stator block does not then have the corresponding outstanding key that cooperates with this keyway, by making this outstanding key and cooperating of this axial keyway this stator block carry out this slip on this axis body but not the relativeness of rotating manner.

Including a fastening structure again, is to comprise one first fastener and one the 3rd fastener, when this first fastener combines with this second fastener, be form this first with this second closed state on a side.

This first fastener is to be located on this first, and this second fastener then is located on this second position of going up with respect to this first fastener, and this first fastener is not connected with this hinge arrangement with this second fastener.

This first comprises that again one extends to this free end and forms this spacing limiting section in moving block outside, this of this fastening structure second fastener is to be located at this moving block towards this free-ended one spacing salient point, and this first fastener is on this limiting section and the corresponding limited impression of this spacing salient point, and this fastening structure comprises the pressing piece of being located on this limiting section again; Fasten when spacing when this spacing salient point and this limited impression form, this first is to form this closed state with this second; And when forcing in this pressing piece, with the fastening of removing this spacing salient point and this limited impression when spacing this moving block because of this cam-type automatically the right effect of slip turn to this slip halt.

Be provided with second spacing ring that contacts with this moving block on this limiting section again, this limited impression promptly is located at this second spacing ring in the face of on the side of this moving block, and described this pressing piece that forces in is meant and passes this moving block, so that this spacing salient point breaks away from this limited impression.

This second spacing ring is to be made by a metal material.

Be to form a corresponding inclined-plane contact kenel between this first fastener and this second fastener.

The self-locking hinge structure of tool single stable position of the present invention is in order to providing hinge to rotatablely move to automatically return to the function of single stable position, and it comprises an axis body, one first spacing ring, a stator block, a compression spring, an and moving block; Wherein, first spacing ring, compression spring, stator block and moving block are to be arranged on the axis body in regular turn.

This axis body has a positive stop end and a free end.

This first spacing ring is that slide pivot is located on the positive stop end of axis body.

This stator block, be with one slide but not rotating manner be located on the axis body.

This compresses spring, is around on the axis body of being located between first spacing ring and stator block.

This moving block is being located on the axis body near the free-ended mode of axis body, slide pivot, and with stator block against.

Adopt such scheme, good effect of the present invention is:

Because principal character of the present invention is the correlation of nationality by compression spring, stator block and moving block, form one by stator face and slide plane forward compress make contact to a cam-type automatically slide right, and nationality is formed a profile with single stable position and is cooperated by the theory of cam design;

It is implemented situation and is characterised in that: moving block is to have a slide plane towards stator block, this slide plane is by a strict concave surface (Strictly concave surface, be not have the profile that any prevention object slides on the concave surface) constitute around axis body, slide plane has a minimum point, stator block then have one protruding to and be pressed on protruding contact on the slide plane, when stator block is in arbitrary relative position with contacting of moving block, the compression spring all can be with the protruding contact of stator block, according to axis body axially, compressing is on the slide plane of moving block, by this, slide plane is got slide on automatically on the protruding contact, interlock then rotates on axis body for moving block, and the rotation of this moving block stops when protruding contact reaches the minimum point of slide plane, the purpose of the piece rotation that just stops operating in the time of also can reaching the settling position of hinge arrangement;

Implement among the embodiment of situation at this, the protruding contact of hinge arrangement stator block can be the highest protruding contact of a convex surface;

Among the present invention, for reach the motion mode that stator block slides and do not rotate on axis body, in one embodiment, axis body is to can be to have at least one unfilled corner circular section with respect to the cross section of stator block placement, and stator block then has the corresponding axis hole configuration cross section with this unfilled corner circular section complementation;

In one embodiment of this invention, axis body can be one to have the cylinder shaft body of at least one axial keyway with respect to the stator block placement, the axis hole of stator block then has the corresponding outstanding key that cooperates with keyway, by cooperating of outstanding key and this axial keyway, and make the stator block must be in the enterprising line slip of axis body but the relativeness of not rotating;

Another feature of implementing situation of the present invention is to be: stator block has a stator face towards moving block, the stator face is to be made of around axis body a strict concave surface, this stator mask has a minimum point, moving block then have one protruding to and be pressed on protruding contact on the stator face, when stator block and moving block are in arbitrary relative position, the compression spring all can with the stator face of stator block according to the axial compressing of axis body on the protruding contact of moving block, so that protruding contact slides on the stator face automatically, and interlock is the rotation of moving block on axis body, and this one to rotate be to stop when protruding contact reaches the minimum point of stator face;

Implement among the embodiment of situation at this, the protruding contact of hinge arrangement moving block can be the highest protruding contact of a convex surface;

The self-locking hinge structure of tool single stable position of the present invention is can apply to as described above in the described folding body device of background note, this folding body device is to comprise one first, one second and be arranged at least one self-locking hinge structure between first and second, enforcement by hinge arrangement of the present invention, and get so that must there be single settling position between first and second, and make first with second between the relative arbitrarily motion that folds, all can be because of the enforcement of self-locking hinge structure of the present invention, and return back to intrinsic settling position;

Among the present invention, be with the axis body of hinge arrangement and axis body spacing with first first side be set be connected, and with the outer rim of the outer rim of moving block and first spacing ring and second second side be set be connected, that is, hinge arrangement promptly is located at first and side and second is set is provided with between side, with allow first with second between the relative movement relation that folds;

In the folding body device of the present invention, can comprise a fastening structure again, be used to outside this settling position, more form one first with second between corresponding fixed relationship, this fixed relationship is generally a closed state, fastening structure be can comprise be divided into first go up with second on one first fastener and one second fastener; When first fastener and second fastener form when combining, can facilitate first with second closed state on an example;

Roll among the embodiment of body device in the present invention, first fastener of fastening structure is to be located on first, second fastener then is located on second position of going up with respect to first fastener, and first fastener is not connected with self-locking hinge structure with second fastener, by this, simplified fastening structure in the complexity that is provided with of rolling on the body device;

Roll among the embodiment of body device in the present invention, fastening structure is to make up simultaneously with self-locking hinge mechanism, its enforcement is: comprise again on first that one extends to the axis body free end and forms the spacing limiting section in the moving block outside, second fastener of fastening structure is to be located at the spacing salient point of moving block on axis body free end one side, first fastener be on the limiting section with the corresponding limited impression of spacing salient point, and fastening structure comprises the pressing piece of being located on the limiting section; Fasten when spacing when spacing salient point and limited impression form, first promptly forms closed state or other the state that folds with second; And when forcing in pressing piece, with the fastening of removing spacing salient point and limited impression when spacing, the cam-type that moving block is promptly formed because of stator face and slide plane the effect to (Auto cam sliding pair) of sliding automatically turns to slides when stopping, that is, when reaching the settling position of self-locking hinge structure till;

Roll among the embodiment of body device in the present invention, can be provided with second spacing ring that contacts with moving block on the limiting section again, and fastening structure is embodied as the limited impression of first fastener and can be located at this second spacing ring in the face of on the side of moving block, and aforementioned what is called " forces in pressing piece " and is the operation of " passing moving block, so that spacing salient point breaks away from limited impression "; In this enforcement situation, second spacing ring is preferably with metal material to be made, for example copper or other similar metals, thereby can make second spacing ring to the relative slip of moving block than the tool abrasion resistance.

Description of drawings

The perspective exploded view of self-locking hinge structure first embodiment of Fig. 1 tool single stable position of the present invention;

Fig. 2 cam-type of the present invention is slided automatically to the expansion schematic diagram of embodiment 1;

Slide the automatically expansion schematic diagram of embodiment 2 of Fig. 3 cam-type of the present invention;

Slide the automatically expansion schematic diagram of embodiment 3 of Fig. 4 cam-type of the present invention;

Slide the automatically expansion schematic diagram of embodiment 4 of Fig. 5 cam-type of the present invention;

Slide the automatically expansion schematic diagram of embodiment 5 of Fig. 6 cam-type of the present invention;

Fig. 7 Fig. 1 embodiment is at the schematic perspective view of a position;

Schematic perspective view among Fig. 8 Fig. 7 after moving block rotation one angle;

The moving block rotation is to the schematic perspective view of settling position among Fig. 9 Fig. 8;

Figure 10 axis body of the present invention cooperates the schematic cross-section of an embodiment 1 with stator block;

Figure 11 axis body of the present invention cooperates the schematic cross-section of another embodiment 2 with stator block;

Figure 12 axis body of the present invention cooperates the schematic cross-section of another embodiment 3 with stator block;

Figure 13 the present invention rolls over the three-dimensional generalized section of body device one embodiment, and wherein, fastening structure is to fasten spacing position at it;

Another view of Figure 14 Figure 13 embodiment, wherein, fastening structure is to remove the spacing state of fastening, and moving block is on the position of opening the beginning rotation;

The schematic diagram of the another embodiment of Figure 15 fastening structure of the present invention;

Figure 16 fastening structure of the present invention is the schematic diagram of an embodiment again;

Figure 17 the present invention rolls over the schematic diagram of another embodiment of body device.The piece number explanation:

1 axis body, 2 first spacing rings

3 compression springs, 4 stator blocks

5 moving blocks, 6 rotary spacings

7 settling positions, 8 unfilled corners

10 first 11 positive stop ends

20 second of 12 free ends

21 spacing outer rim 30 pressing pieces

31 fastening forces, 41 stator faces

42 protruding contact 51 slide planes

52 minimum points 53 are rotated outer rim

61 spacing outer rim 70 fastening structures

71 first fasteners, 72 second fasteners

77 limited impressions, 78 spacing salient points

90 keyways, 91 outstanding keys

100 first are provided with side 101 limiting sections

200 second are provided with side 500 self-locking hinge structures

The specific embodiment

For making explanation of the present invention have its consistency, so in various embodiments of the present invention,, all represent with identical piece number if slightly small difference person of the basic function of element identical but shape and function is arranged.

Embodiment 1: as shown in Figure 1, be the perspective exploded view of self-locking hinge structure one preferred embodiment of tool single stable position of the present invention; As shown in the figure, self-locking hinge structure of the present invention, mainly be can automatically return to the function of single stable position in order to provide hinge to rotatablely move, it comprises an axis body 1, one first spacing ring 2, a stator block 4, a compression spring 3, a moving block 5, reaches an axis body spacing 6; Wherein, first spacing ring 2, compression spring 3, stator block 4, moving block 5, and axis body spacing 6 be to be arranged in proper order on the axis body 1.

Axis body 1 of the present invention is rotation and the moving track in order to each element to be provided, and definition has a positive stop end 11 and a free end 12 again on its axial two ends.

First spacing ring 2 of the present invention is slidably to be hubbed on the positive stop end 11 of axis body 1, in order to bearing as compression spring 3 one ends, and can its spacing outer rim 21 as and the object of exercise of hinge between the binding interface.

Stator block 4 of the present invention is that the mode of with " slide but do not rotate " is located on the axis body 4, and the one end compresses for compression spring 3 locks, and the other end then forms a stator face 41.

Compression spring 3 of the present invention is around on the axis body 1 of being located at 4 of first spacing ring 2 and stator blocks, in order to store and to provide self-locking hinge structure running of the present invention required elasticity potential energy.

Moving block 5 of the present invention is being located on the axis body 1 near mode, the slide pivot of axis body 1 free end 12, with one towards the slide plane 51 of stator face 41 and stator block 4 against, and can it rotate outer rim 53 as the binding interface that combines with exercise of hinge between object.

Axis body of the present invention is spacing 6, is the rotary spacing that forms on axis body 1 free end 12, guaranteeing the assembling of each element on axis body 1, and can its spacing outer rim 61 another is connected with external object as hinge arrangement of the present invention in conjunction with interface; In other embodiment (not shown), this axis body spacing 6 can also be arbitrary constitute or directly is formed on the structure that is cooperated as known axis body limit elements such as C clamps, and therefore, self-locking hinge structure speech just of the present invention is not to be the element an of necessity.

Principal character of the present invention is the correlation of nationality by compression spring 3, stator block 4 and moving block 5, form one by stator face 41 and slide plane 51 forwards compress make contact to a cam-type slide automatically right, and nationality is formed a profile with single stable position and is cooperated by the theory of cam design.

As shown in Figure 2, be that cam-type of the present invention is slided automatically to designing the profile expansion schematic diagram of an embodiment; Wherein, the stator face 41 of stator block 4 is to form a convex surface with a protruding contact 42, and the slide plane 51 of moving block 5 then constitutes a corresponding concave surface with a minimum point 52; Nationality is by the fastening force 31 on the compression stator block that spring puts on 4, and get so that the moving block 5 on the cooperation position in office (sliding shoe 5 positions shown in dotted line), utilize fastening force 31 formed component on stator face 41 and slide plane 51 contact points or face, automatically slide into the slip halt 7 of tool potential energy low spot, at this moment, be cam-type of the present invention automatically slide right single stable position (shown in the solid line relative position; Attention: among Fig. 2,51 formed gaps of stator face 41 and slide plane, only as the convenient usefulness that explains orally, under actual state, stator face 41 should be inconsistent two sides with slide plane 51); On this slip halt 7, the protruding contact 42 of stator face 41 is corresponding with the minimum point 52 of slide plane 51.

Consulting Fig. 7 to shown in Figure 9, is the operation chart of embodiment 1 among Fig. 1 of the present invention; As previously mentioned, when the slide plane 51 of the stator face 41 of stator block 4 and moving block 5 forms conflict (as shown in Figure 7) when cooperating in arbitrfary point P, the slide plane 51 that the fastening force 31 of compression spring 3 pairs of stator blocks 4 will make moving block 5 slides automatically along the stator face 41 of stator block 4, similarly, be the rotation (as shown in Figure 8) of interlock moving block 5 with respect to stator block 4, and applying because of fastening force 31, certainly the change of team of moving block 5 continues to cam-type and automatically slides when reaching slip halt 7 (as shown in Figure 9) till (that is, when the protruding contact 42 of stator face 41 corresponds to the minimum point 52 of slide plane 51).

Among the present invention, stator block 4 and moving block 5 formed cam-types slide automatically right feed distance δ, slip halt 7 on the slip profile opposite position (that is corresponding length of φ) and stator face 41 cooperate with 51 of slide planes do not interfere design (seeing also shown in Figure 2), be to decide at indivedual utilization examples, and this flexible design is known by haveing the knack of cam design skill person, so do not repeat them here.

Automatically slide to design at cam-type of the present invention, in the embodiment of Fig. 2, be as the convex surface that cooperates with stator face 41, and with the concave surface of slide plane 51 as cooperation, that is, this characteristic of implementing situation is to be: moving block 5 has a slide plane 51 towards stator block 4, this slide plane 5 is by a strict concave surface (Strictly concave surlace, in utilization, be: except that minimum point 52, do not have the profile that any prevention object slides on its concave surface) constitute around axis body 1, on the slide plane 51 and have a minimum point 52, relatively, stator block 4 have one protruding to and be pressed on protruding contact 42 on the slide plane 51, when stator block 4 is in arbitrary relative position with contacting of moving block 5, compression spring 3 all can be with the protruding contact 42 of stator block 4, according to axis body 1 axially, compressing is on the slide plane 51 of moving block 5, by this, slide plane 51 is got to slide on the protruding contact 42 automatically, interlock then is that moving block 5 rotates on axis body 1, the rotation of this moving block 5 is to stop when protruding contact 4 will arrive the minimum point 52 of slide plane 51, that is just stops rotation when reaching the settling position 7 of hinge arrangement.

In this usefulness new type of cam formula is slided right enforcement situation automatically, the protruding contact 42 of the fixed dried piece 4 of hinge arrangement is most salient points of a convex surface, and this formation that goes out most a little can be as being made of or being made of a significantly outstanding head shown in embodiment 2 (Fig. 3) the double-wedge face that Fig. 2 shows, or be being formed naturally by a strict convex surface (Strictly convex surface) shown in embodiment 3 (Fig. 4).

In aforementioned cam-type is slided right enforcement automatically, its stator face 41 is made of a convex surface and a concave surface respectively with slide plane 51, certainly, this design also can be exchanged to replace with by a concave surface and a convex surface and be formed, at this moment, the cam-type of the present invention right feature of slip automatically is as embodiment 4 (Fig. 5), shown in the embodiment 5 (Fig. 6): stator block 4 has a stator face 41 towards moving block 5, stator face 41 is to be made of around axis body 1 a strict concave surface, this allocates face 41 and has a minimum point 42, moving block 5 then have one protruding to and be pressed on protruding contact 52 on the stator face 41, when stator block 4 and moving block 5 are in arbitrary relative position, the compression spring all can be with the stator face 41 of stator block 4, according to axis body axially, compressing is on the protruding contact 52 of moving block 5, so that protruding contact 52 slides on the stator face 41 automatically, and interlock is the rotation of moving block 5 on axis body, and this rotation is to stop (that is, when reaching settling position 7 till) when protruding contact 52 reaches the minimum point 42 of stator face 41.

Among the present invention, for reaching stator block motion mode of " slide but do not rotate " on axis body, be can have the knack of stride rail or other similar embodiments constitute; For example, in Figure 10 and Figure 11, axis body 1 promptly can be the circular section with at least one unfilled corner 8 with respect to the cross section of stator block 4 placements, and (one embodiment Figure 10 is two corresponding unfilled corners 8, another embodiment Figure 11 then is single unfilled corner 8), stator block 4 then has the corresponding axis hole configuration cross section with the complementation of unfilled corner circular section; Again for example in another embodiment embodiment shown in Figure 12, axis body 1 is removed the place of putting with respect to stator block and be can be one to have the cylinder shaft body of at least one axial keyway 90, the axis hole of stator block 4 then has the corresponding outstanding key 91 that cooperates with keyway 90, the outstanding thus key 91 of nationality cooperates with axial keyway 90, can make stator block 4 carry out the relative motion relation of " slip but do not rotate " on axis body 1.

The self-locking hinge structure of tool single stable position of the present invention is can apply to as described above in the described folding body device of background note, and (is example with a mobile phone) this folding body device can comprise one first 10,1 second 20 and the self-locking hinge structure at least one of the present invention that is arranged at first 10 and second 20 as shown in figure 13; (and consulting shown in Figure 1) as shown in figure 13, hinge arrangement is that spacing 6 bearings of positive stop end 11 bodies with its axis body 1 are arranged at first 10 first being provided with on the side 100, and with the rotation outer rim 53 of the spacing outer rim 21 of first spacing ring 2 and moving block 5 and second 20 second side 200 be set form spacing connections, by this, first 10 is able to form one by hinge structure of the present invention and can folds relatively and have the movement relation of single stable position with second 20.

As shown in figure 13, in the folding body device of one embodiment of the invention, can comprise a fastening structure 70 again, be used to outside the settling position of hinge arrangement, more form one first 10 and second 20 corresponding fixed relationship (location status as shown in figure 13), this fixed relationship is generally a closed state; And fastening structure 70 be can comprise be divided on first 10 with second 20 on one first fastener 71 and one second fastener 72, can facilitate first closed state on 10 and second 20 1 sides when combining when first fastener 71 and second fastener 72 form; At fastening structure shown in Figure 13 70, it is to make up simultaneously with self-locking hinge mechanism, its enforcement is: comprise again on first 10 that one extends to axis body 1 free end, 12 places and forms the spacing limiting section 101 in moving block 5 outsides, second fastener 72 of fastening structure is for being located at the spacing salient point 78 (can by rotation outer rim 53 be extended to form) of moving block 5 (being connected with second 20) on axis body 1 free end 12 1 sides, first fastener 71 then be on the limiting section 101 with spacing salient point 78 corresponding limited impressions 77; As shown in the figure, fastening structure 70 can comprise the pressing piece of being located on the limiting section 101 30 again, in order to the fastening operation of control fastening structure 70.

When spacing recessed on the spacing salient point 78 on the moving block 5 (i.e. second fastener) and the spacing cloth 101 increase 77 promptly (first fastener) form and fasten (as shown in figure 13) when spacing, first 10 and second 20 states that fold that promptly form a closed state or other angles, that is, see through the effect of external force, the spacing relation that nationality is provided by fastening structure 70, hinge arrangement is fixed in the unsteady state, reaches the alleged auto-lock function of the present invention; And when forcing in pressing piece 30, to remove spacing salient point 78 with the fastening of limited impression 77 when spacing (as shown in figure 14), the cam-type right effect of slip automatically that moving block 5 is promptly formed because of stator face 41 and slide plane 51, and rotation thereupon (second 20 relative first 10 of interlock pivots), (its detail operations when the slip of 51 of stator face 41 and slide planes stops, consult Fig. 7 to shown in Figure 9), that is, when reaching the settling position of self-locking hinge structure till.

In Figure 13 and Figure 14, its pressing piece 30 is press elements of adopting the button pattern, and its control operation then is spacing 6 to pass axis body, and interlock is passed the limited impression 77 that the spacing salient point 78 on the moving block 5 breaks away from the limiting sections 101 and reached; And when spacing salient point 78 broke away from the spacing scope of limited impression 77, moving block 5 was stator piece 4 and the effect of compressing bullet 3, and produced as Fig. 7 to rotation shown in Figure 9; In the real example that with the mobile phone is example, can represent the advantage of using hinge arrangement of the present invention significantly, this i.e. in the time will using mobile phone (answer or dial), the user of service only must push the protecting cover (second 20) that pressing piece 30 can make mobile phone with one hand, nationality is by the operation that automatically replies settling position of hinge arrangement, reach the purpose of quick unlatching protecting cover from moving from mobile phone body (first 10), solve the shortcoming that conventional construction needs bimanualness.

Among the present invention, the utilization of its fastening structure 70 is that the convenient buckling device that can adopt on any prior art can be reached, and is not to take enforcement situation shown in Figure 13; Folding body device shown in the another embodiment of fastening structure of the present invention (Figure 15) (similarly, with the mobile phone is example), first fastener 71 of fastening structure is located on away from hinge arrangement 500 of the present invention first 10,72 of second fasteners are located on second 20 position with respect to first fastener 71, and pressing piece 30 can be located on first 10 side of contiguous first fastener 71, at this moment, though first fastener 71 is not connected with self-locking hinge structure 500 with second fastener 72, also be not located at first and side 100 and second is set is provided with on the side 200, but still can reach the purpose of opening protecting cover 20 with single; Again by this, also can simplify fastening structure in the complexity of analysing on the body device that is provided with.

In the embodiment of Figure 13, be to utilize axis body spacing 6 as the hinge arrangement other end and first 10 element that is connected; But, as previously mentioned, axis body spacing 6 is not the element for hinge arrangement one necessity of the present invention, in the embodiment of Figure 13, can cancel the setting of axis body spacing 6, and the direct configuration of accepting that is trimmed to axis body 1 this end with limiting section 101, at this moment, the passing operation of pressing piece 30 then is can directly pass moving block 5 to implement, certainly, pressing piece 30 also should be done slightly inching with respect to the axis body 1, rotation section 5 and the building mode of limiting section 101, and one to adjust be to comply with the equipment energy characteristic that is cooperated and decide for this, and known by haveing the knack of this type of skill person, so do not repeat them here.

In Figure 13 and embodiment shown in Figure 14, the spacing salient point 78 of its moving block 5 is that material on along first 10 slides in the rotation on first 10 limiting section 101; With regard to making, usually moving block 5 is to make with metal material, then being generally plastic material for first 10 makes, observe and just wear away angle, the prolonged friction of the spacing salient point 78 of metal system on first 10 of plastic cement system, wearing and tearing or the burr of regular meeting because of being produced on the plastic rubber surface, and the phenomenon that causes pivot action to have some setbacks; Therefore, on just moving block 5 of the present invention was considered to implement with first 10 friction, it was good adopting the slip between metal covering, and therefore, in utilization, first 10 limiting section 101 faced on the one side of moving block 5, is preferably with a metal covering and implements.

Again, in an embodiment of the present invention, first fastener 71 is preferably a corresponding inclined-plane contact kenel with the contact of 72 of second fasteners; For example, in Figure 13, embodiment shown in Figure 14, first fastener 71 and second fastener 72 have the oblique angle respectively, this oblique angle has two effects: when one, applying external force and making first 10 and second 20 and form closed states, the design at oblique angle, to make that fastening structure 70 is easier to be fixed on hinge arrangement in one unsteady state, reach the function of self-locking; When two, towing tension is not desired to open a closed state of first 10 and second 20 in pressing piece 30 as if the user (as: improper operation); if this moment is externally applied forces during greater than a certain threshold; the design at oblique angle will be removed the stationary state of fastening structure 70 in good time; make first 10 and separated with second 20; reach the purpose of opening second 20 (protecting cover); and the whole fastening structure 70 of unlikely destruction and second 's 20 structure reaches the purpose of protection hinge arrangement.

As shown in figure 16, it is the schematic diagram of an embodiment again of fastening structure of the present invention, wherein, by the configuration of improving axis body spacing 6, so that the members that its formation contacts with moving block 5 whole process (that is, axis body spacing 6 is considered as first 10 position, separating end end on the limiting section 101), and limited impression 77 first fasteners 71 are built on axis body spacing 6, by this, and the rotation of moving block 5 is carried out along being all metal axis body spacing 6 usually, be exempted aforesaid abrasion problem.

Among the present invention, the building mode of Figure 16 is to be same as axis body spacing 6 is considered as on the limiting section 101 contacting with moving block 5 extension (or claiming second spacing ring) on the side, first fastener 71 of fastening structure can be implemented in this second spacing ring 6 in the face of on the one side of moving block 5, and aforementioned what is called " forces in pressing piece 30 " and promptly is equivalent to " passing moving block 5 " (at this moment, second spacing ring 6 is fixed, so that spacing salient point 78 breaks away from limited impression 77) operation.

Embodiment among comparison of aforementioned Figure 13 and Figure 16 can obviously find, axis body spacing 6 on the one hand can be considered an element (as shown in figure 13) of this creation hinge arrangement or can classify as a separation member (second limiting section) on the limiting section 101, shown in 16).

Among the present invention, the fixed relationship of astable position that fastening structure produces normally one first with second closed state; But in other enforcement state, it also can be embodied as the relation of arbitrary relative angle.

Among the present invention, when aforesaid folding body device removes fastening structure, promptly form the structure that a tool is put a settling position; As shown in figure 17, it is the schematic diagram that the present invention rolls over another embodiment of body device, wherein hinge arrangement 500 is to be located at first 10 first side 100 and second 20 second to be set 200 of sides are set, by this, produce relative arbitrarily folding during motion when first 10 with second 200, hinge arrangement 500 of the present invention, all can return back to relative first 10 settling position (illustrated object position) with second 20, this enforcement is common on the general convenient door, when personnel or article enter, can pass door 20 (second) opens, the rotation of door 20 be so that cam-type automatically slide to turning to an astable position, and store potential energy in the compression spring of hinge arrangement 500, and when personnel's goods spare by after behind the door 20, because of compression spring and the cam-type natural elasticity potential energy release of slip to being produced automatically, be so that door 20 with the decay Sasser (Damped oscillation) mode, automatically rotate and return back to its settling position, wherein, the generation of relaxation phenomenon is because of due to interelement friction consumes.

Among the present invention, by the self-locking hinge structure of the tool single stable position that is provided, be can be between two objects the pivot pattern of member one cam slide contact, and replace known torsionspring with the compression spring, by this, form one with pressing force control and have the device of single stable position; By be the effect of its generation for design of in the future pivot and the design of folding body, the space of a various variation design all can be provided.

The above is to utilize a preferred embodiment to describe the present invention in detail, but not limit the scope of the invention, and know this type of skill personage and all can understand, suitably do slightly change and adjustment, will not lose main idea of the present invention place, also not break away from the spirit and scope of the present invention.

Claims

1, a kind of self-locking hinge structure of tool single stable position is in order to providing hinge to rotatablely move to automatically return to the function of this single stable position, and this hinge arrangement includes:

One axis body has a positive stop end and a free end;

One stator block is with a slip but the mode of not rotating is located on this axis body;

One moving block is being located on this axis body near the free-ended mode slide pivot of this axis body, and with this stator block against;

It is characterized in that, this moving block has a slide plane towards this stator block, this slide plane is to be made of around this axis body a strict concave surface, this slide plane has a minimum point, and this stator block have one protruding to and be pressed on protruding contact on this slide plane, when this stator block and this moving block are in arbitrary relative position, this compression spring is all with this protruding contact of this stator block, the axial compressing of complying with this axis body is on this slide plane of this moving block, so that this slide plane slides on this protruding contact of this stator block automatically, interlock rotates on this axis body for this moving block, and stops when this protruding contact reaches this minimum point of this slide plane.

2, have the self-locking hinge structure of single stable position according to claim 1, it is characterized in that the protruding contact of this of described this stator block is the highest protruding contact of a convex surface.

3, have the self-locking hinge structure of single stable position according to claim 1, it is characterized in that, described this axis body is the unfilled corner circular section with at least one unfilled corner with respect to a cross section of this stator block placement, this slip can be carried out but the relativeness of rotating manner not so that this stator block has in this stator block then has and this unfilled corner circular section coincide complementary corresponding axis hole configuration cross section on this axis body.

4, have the self-locking hinge structure of single stable position according to claim 1, it is characterized in that, described this axis body is one to have the cylinder shaft body of at least one axial keyway with respect to this stator block placement, the axis hole of this stator block then has the corresponding outstanding key that cooperates with this keyway, nationality is cooperated by this outstanding key and this axial keyway, this stator block is had can carry out this slip on this axis body but the relativeness of rotating manner not.

5, a kind of self-locking hinge structure of tool single stable position is in order to providing hinge to rotatablely move to automatically return to the function of this single stable position, and this hinge arrangement includes:

One axis body has a positive stop end and a free end;

One moving block is being located on this axis body near the free-ended mode of this axis body, slide pivot, and with this stator block against;

It is characterized in that, this stator block has a stator face towards this moving block, this stator face is to be made of around this axis body a strict concave surface, this stator mask has a minimum point, and this moving block have one protruding to and be pressed on protruding contact on this stator face, when this stator block and this moving block are in arbitrary relative position, this compression spring is all with this stator face of this stator block, comply with the axial of this axis body, compressing is on this protruding contact of this moving block, so that this protruding contact slides on this stator face automatically, interlock rotates on this axis body for this moving block, and stops when this protruding contact reaches this this minimum point of stator face.

6, as the self-locking hinge structure of tool single stable position as described in the claim 5, it is characterized in that the protruding contact of this of wherein said this moving block is the most protruding contact of a convex surface.

7, as the self-locking hinge structure of tool single stable position as described in the claim 5, it is characterized in that, described this axis body is the unfilled corner circular section with at least one unfilled corner with respect to a cross section of this stator block placement, this stator block then has and this unfilled corner circular section coincide complementary corresponding axis hole configuration cross section, the relativeness of rotating manner not so that this stator block must carry out this slip on this axis body.

8, as the self-locking hinge structure of tool single stable position as described in the claim 5, it is characterized in that, described this axis body is one to have the cylinder shaft body of at least one axial keyway with respect to this stator block placement, the axis hole of this stator block then has the corresponding outstanding key that cooperates with this keyway, by cooperating of this outstanding key and this axial keyway, and make this stator block on this axis body, carry out this slip but the relativeness of rotating manner not.

9, a kind of folding body device of self-locking hinge structure is characterized in that, includes:

One first, have one first side is set;

One second, have one with this first be provided with side corresponding second side is set: and

One axis body has a positive stop end and a free end;

One stator block is with a slip but the mode of not rotating is located on this axis body, has a stator face towards this axis body free end setting again;

One moving block, be near this free end of this axis body and be fixedly arranged on this this of second and second be provided with on the side, have an axis hole and slide and rotate, include one again and make contact to a cam-type right slide plane that slides automatically towards this stator block and with this stator face for this axis body;

Wherein, this cam-type is automatically slided to being to have a slip halt; When this stator face of this stator block and this slide plane of this moving block form any conflict and cooperate, this compression spring is about to this stator block compressing to this moving block, relative this stator face with this second of this this moving block of slide plane interlock is slided automatically, when reaching this slip halt, end.

10, as the folding body device of self-locking hinge structure as described in the claim 9, it is characterized in that, this stator face is to be made of around this axis body a strict concave surface, and this stator face has a minimum point again, and this moving block have one protruding to and be pressed on protruding contact on this stator face.

11, as the folding body device of self-locking hinge structure as described in the claim 9, it is characterized in that, this slide plane is to be made of around this axis body a strict concave surface, and this slide plane has a minimum point again, and this stator block have one protruding to and be pressed on protruding contact on this slide plane.

12, as the folding body device of self-locking hinge structure as described in the claim 9, it is characterized in that, this axis body is one to have the unfilled corner circular section of at least one unfilled corner with respect to a cross section of this stator block placement, this stator block then has the corresponding axis hole configuration cross section with this unfilled corner circular section complementation, the relativeness of rotating manner not so that this stator block must carry out this slip on this axis body.

13, as the folding body device of self-locking hinge structure as described in the claim 9, it is characterized in that, this axis body is one to have the cylinder shaft body of at least one axial keyway with respect to this stator block placement, the axis hole of this stator block does not then have the corresponding outstanding key that cooperates with this keyway, by making this outstanding key and cooperating of this axial keyway this stator block carry out this slip on this axis body but not the relativeness of rotating manner.

14, as the folding body device of self-locking hinge structure as described in the claim 9, it is characterized in that, include a fastening structure again, is to comprise one first fastener and one the 3rd fastener, when this first fastener combines with this second fastener, be form this first with this second closed state on a side.

15, the folding body device of self-locking hinge structure as claimed in claim 14, it is characterized in that, this first fastener is to be located on this first, this second fastener then is located on this second position of going up with respect to this first fastener, and this first fastener is not connected with this hinge arrangement with this second fastener.

16, the folding body device of self-locking hinge structure as claimed in claim 14, it is characterized in that, this first comprises that again one extends to this free end and forms this spacing limiting section in moving block outside, this of this fastening structure second fastener is to be located at this moving block towards this free-ended one spacing salient point, and this first fastener is on this limiting section and the corresponding limited impression of this spacing salient point, and this fastening structure comprises the pressing piece of being located on this limiting section again; Fasten when spacing when this spacing salient point and this limited impression form, this first is to form this closed state with this second; And when forcing in this pressing piece, with the fastening of removing this spacing salient point and this limited impression when spacing this moving block because of this cam-type automatically the right effect of slip turn to this slip halt.

17, the folding body device of self-locking hinge structure as claimed in claim 16, it is characterized in that, be provided with second spacing ring that contacts with this moving block on this limiting section again, this limited impression promptly is located at this second spacing ring in the face of on the side of this moving block, and described this pressing piece that forces in, be meant and pass this moving block, so that this spacing salient point breaks away from this limited impression.

18, the folding body device of self-locking hinge structure as claimed in claim 17 is characterized in that, this second spacing ring is to be made by a metal material.

19, by the folding body device of the described self-locking hinge structure of claim 16, it is characterized in that, is to form a corresponding inclined-plane contact kenel between this first fastener and this second fastener.