CN104006069B - A kind of two rotary shaft mechanism and armrest box handrail and armrest of sliding - Google Patents
A kind of two rotary shaft mechanism and armrest box handrail and armrest of sliding Download PDFInfo
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- CN104006069B CN104006069B CN201410257923.5A CN201410257923A CN104006069B CN 104006069 B CN104006069 B CN 104006069B CN 201410257923 A CN201410257923 A CN 201410257923A CN 104006069 B CN104006069 B CN 104006069B
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Abstract
The present invention relates to a kind of two rotary shaft mechanism and armrest box handrail and armrest of sliding, wherein, the two rotary shaft mechanism of described slip comprises hinged cantilever, revolving grate support, wind spring, the two-way single direction ratchet of straight-tooth, the first helical spring, straight-tooth single direction ratchet, the second helical spring and stop bit spring sheet, wherein, one end of described hinged cantilever is connected with peripheral armrest cover plate part, and one end of described revolving grate support is connected with the parts (such as armrest box casing or seat back) of periphery handrail to be installed.The present invention achieves virtual two rotating shafts by adopting circular arc and revolving grate, and utilize ratchet, gear, rack rails, the cooperation of the parts such as spring, make handrail successively carry out the rotation of twice pure Circular test around the rotating center of two virtual axle, thus decrease the restriction that mechanism arranges handrail moulding and space.
Description
Technical field
The present invention relates to a kind of Automobile Dashboard handrail or armrest upender, particularly relate to a kind of two rotary shaft mechanism and armrest box handrail and armrest of sliding.
Background technique
The demand that Automobile Dashboard configures according to difference, arm assembly part can be installed, for driver or occupant provide the putting position that an elbow is comfortable, most arm assembly has the function be flipped open simultaneously, also can design a storage space in auxiliary fasia console inside, arm assembly is just equivalent to a storage box cover.But, under normal circumstances, for handrail function, most handrail only in off position under, the support function of occupant's elbow just can be provided, then cannot support stressed after opening, therefore, such arm assembly position is single, can not meet buman body type or the demand of occupant as much as possible.
At present, along with improving constantly of customer demand, be also proposed in the industry several handrail rotary shaft mechanism that can regulate fixed position in umklapp process.Such as, all disclose a kind of handrail rotary shaft mechanism that can regulate fixed position in umklapp process in patent CN201110045159.1, CN200910139058.3 and DE102006014822B4, these handrail rotary shaft mechanisms all have employed ratchet to realize mechanical motion function.The concrete mechanical motion principle of above-mentioned rotary shaft mechanism is as follows: handrail is (such as 45 degree) before being turned to certain special angle, handrail can be made to stop overturning and fixing its position 3-4 or more angular orientation, the motion overturning and open can only be done at these position handrails, and can not do again rotary closure motion, thus make arm assembly can be supplied in the height direction occupant adjustable, different put hand position; When not needing to use handrail, and when closing arm assembly, arm assembly upset is only needed to exceed that special angle (such as 45 degree), then namely arm assembly can be turned back to closed position, this close in the process of handrail by before there will be no as to open in handrail process the state position situation appearance can not closing handrail that occurs.Certainly, do not need other switching mechanisms at above-mentioned a series of movement process, only need to overturn handrail.
But, because above-mentioned existing armed rotation only relies on a running shaft to realize, namely, the track of handrail movement is all circular trace, and the limitation that single rotating shaft is subject to space is larger, can only one more among a small circle in arrange design of part, therefore, for the space required for the moulding of peripheral component or mechanism, just have specific restriction.
In view of the foregoing, need the two rotary shaft mechanism of a kind of novel slip of design at present, thus explore the possibility of other movement locus and on the basis of other movement locus, realize above-mentioned handrail function equally, simultaneously additional as several functions such as the stagnations of handrail arbitrary position, automatically closedown again.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the present invention aims to provide a kind of two rotary shaft mechanism and armrest box handrail and armrest of sliding, and with on the basis realizing existing handrail function, reduces the restriction that part mechanism arranges handrail moulding and space.
The two rotary shaft mechanism of one slip that one of the present invention is described, it comprises:
Hinged cantilever, its one end is connected with peripheral armrest cover plate part, the other end has an assembly wall, and the first two-way ratchet that a side of this assembly wall is provided with a fixing circular shaft pin and arranges around this fixing circular shaft pin circumference, wherein, the free end of described fixing circular shaft pin is coaxially provided with a cotter pilotage, and the first fixing snap fit that fixing circular shaft pin also has one section of axial cavity and extends radially inwardly from the inwall of this axial cavity;
Revolving grate support, its one end is connected with the parts of periphery handrail to be installed, the other end has outward extending perpendicular to the arc-shaped side in this arc track face respectively and stepped side walls of symmetrical configuration of an arc track face and two, and these two sidewalls are connected at one end place in described arc track face, with make described arc track face and described sidewall jointly surround one communicate with this circular arc for the circular arc of sliding wherein for described cotter pilotage and one end place of being positioned at this circular arc, for the revolving grate for described cotter pilotage rotatable tilt fixing wherein; the other end of described revolving grate support also has the upper circular arc straight-tooth rack rails be arranged on the described sidewall in the center of circle, the spring sheet corresponding with described revolving grate position is fixed snap fit and is positioned at this spring sheet and fix snap fit side and jut spaced away, also have to be arranged on and be arranged on its displacement front position-arresting face on a side in described arc track face away from the lower circular arc straight-tooth rack rails on the described sidewall in the center of circle and along the bearing of trend of this lower circular arc straight-tooth rack rails, wherein, the aligned in position of one end that the position of described upper circular arc straight-tooth rack rails and lower circular arc straight-tooth rack rails is corresponding and described revolving grate, described displacement front position-arresting face has the trapezoid block outstanding towards described arc track face in the position near described revolving grate, the surface design towards described arc track face of this trapezoid block is comprise: face the first displacement inclined-plane extended near direction, described arc track face from displacement front position-arresting, and from the displacement rear position-arresting face that this first displacement inclined-plane extends along the direction being parallel to described displacement front position-arresting face away from lower circular arc straight-tooth rack rails, wherein, the position on described first displacement inclined-plane is corresponding with the interval location that described spring sheet is fixed between snap fit and described jut, described displacement rear position-arresting face is corresponding with the position that snap fit fixed by described spring sheet, described jut has the first reset stop surface towards described arc track face,
Be set in the wind spring of described fixing circular shaft pin outer rim, it is positioned at inner one end and stretches into described axial cavity and catch on the described first fixing snap fit;
The two-way single direction ratchet of straight-tooth, it has for the second two-way ratchet with described first two-way ratchet engagement, for the first spur gear engaged with described lower circular arc straight-tooth rack rails and the first unidirectional ratchet be periphery on a side end face of this first spur gear, the central position of the two-way single direction ratchet of described straight-tooth is also provided with the first two-sided counterbore that the described fixing circular shaft pin of an axially extended confession passes, and the side hole wall of this first two-sided counterbore is provided with for being positioned at for described wind spring the second fixing snap fit caught on outside one end;
Straight-tooth single direction ratchet, it has the second unidirectional ratchet for engaging with described first unidirectional ratchet, for the second spur gear engaged with described upper circular arc straight-tooth rack rails, be arranged in described second unidirectional ratchet outer rim annulus stop bit plane perpendicular to axial direction and from the edge of this annulus stop bit plane towards the diminishing displacement conical surface of described second spur gear, wherein, described annulus stop bit plane to be slided and successively and described displacement front position-arresting face along with described cotter pilotage in described circular arc, first displacement inclined-plane, displacement rear position-arresting face, first reset stop surface contact, the central position of described straight-tooth single direction ratchet is also provided with the second two-sided counterbore that the described fixing circular shaft pin of an axially extended confession passes,
Be set in the first helical spring of described fixing circular shaft pin outer rim, in the cavity that the side hole wall of the cavity that its opposite side hole wall being contained in described first two-sided counterbore surrounds and described second two-sided counterbore surrounds;
Be set in the second helical spring of described fixing circular shaft pin outer rim, in the cavity that its opposite side hole wall being contained in described second two-sided counterbore surrounds, and be resisted against on described sidewall; And
Be connected to described spring sheet and fix stop bit spring sheet on snap fit, it has for conjugating inclined-plane and the second reset stop surface corresponding with described first reset stop surface position with described displacement conical surface interactional second.
In the two rotary shaft mechanism of above-mentioned slip, described fixing circular shaft pin stretches out perpendicular to described assembly wall, and one-body molded with this assembly wall.
In the two rotary shaft mechanism of above-mentioned slip, described cotter pilotage and described fixing circular shaft pin one-body molded.
In the two rotary shaft mechanism of above-mentioned slip, described axial cavity extends from the end adjacent with described assembly wall of described fixing circular shaft pin to described free end, and the outer rim of described fixing circular shaft pin offers the opening that passes to described axial cavity.
In the two rotary shaft mechanism of above-mentioned slip, each described sidewall comprises successively the first vertical surface connected vertically, the first parallel surface, the second vertical surface, the second parallel surface and the 3rd vertical surface mutually, wherein, described first, second, and third vertical surface is vertical with described arc track face, and first, second parallel surface described is parallel with described arc track face; Distance between distance between described first vertical surface of two described sidewalls, described second vertical surface and the distance between described 3rd vertical surface increase successively.
In the two rotary shaft mechanism of above-mentioned slip, the first vertical surface and the described arc track face of described two sidewalls surround described circular arc, and described two the first vertical surfaces are at one end place circular sliding slopes in described arc track face, to form described revolving grate.
In the two rotary shaft mechanism of above-mentioned slip, the first parallel surface of described two sidewalls is coplanar, and is connected at described revolving grate place, with formed described second helical spring of confession that extends round described circular arc and revolving grate against the first supporting surface.
In the two rotary shaft mechanism of above-mentioned slip, described upper circular arc straight-tooth rack rails is arranged on the second vertical surface of the described sidewall in the center of circle; Described spring sheet is fixed snap fit and is arranged on the 3rd vertical surface of the described sidewall in the center of circle; Described jut is from the 3rd vertical surface of described sidewall near the center of circle to downward-extension; Described lower circular arc straight-tooth rack rails is arranged on the 3rd vertical surface away from the described sidewall in the center of circle; The height in described displacement front position-arresting face flushes with the tooth top of described lower circular arc straight-tooth rack rails.
In the two rotary shaft mechanism of above-mentioned slip, the inner one end that is positioned at of described wind spring is formed as catching on the crimping that described first fixes snap fit, and it is positioned at the crotch that outside one end is formed as catching on the described second fixing snap fit.
In the two rotary shaft mechanism of above-mentioned slip, the two-way single direction ratchet of described straight-tooth comprises the first noumenon with cylindrical peripheral face, described second two-way ratchet is periphery on a side end face of described the first noumenon, and described first spur gear is coaxially connected on the opposite side end face of this first noumenon.
In the two rotary shaft mechanism of above-mentioned slip, the external diameter of described second two-way ratchet place circumference is consistent with the external diameter of described the first noumenon, the external diameter of the tooth top place circumference of described first spur gear is less than the external diameter of described the first noumenon, and the external diameter of the tooth root place circumference of described first spur gear is consistent with the external diameter of described first unidirectional ratchet place circumference.
In the two rotary shaft mechanism of above-mentioned slip, described first two-sided counterbore comprises the first bottom surface and second bottom surface of opposing setting, and respectively from the first hole wall and second hole wall of the axial opposing extension in described first bottom surface and the second bottom surface, wherein, the cavity that described first hole wall surrounds is for accommodating described wind spring, and this first hole wall is provided with the described second fixing snap fit, described first bottom surface be positioned at described first spur gear central position and as the described wind spring of confession against wind spring action plane; The cavity that described second hole wall surrounds for accommodating described first helical spring, described second bottom surface be positioned at described first unidirectional ratchet central position and as confession described first helical spring against the first spring action plane.
In the two rotary shaft mechanism of above-mentioned slip, described straight-tooth single direction ratchet comprises: the second body, and its outer circumferential face is designed to comprise from second body one end towards the diminishing described displacement conical surface of the second body the other end and the cylndrical surface extending to the second body the other end from the edge that the diameter of this displacement conical surface is minimum; Described second unidirectional ratchet is periphery on a side end face of the close described displacement conical surface of described second body, and described second spur gear is coaxially connected on the opposite side end face of described second body.
In the two rotary shaft mechanism of above-mentioned slip, the external diameter of described second unidirectional ratchet place circumference is less than the diameter of described second body one side end face, to make the part of a side end face meta of described second body in described second unidirectional ratchet outer ring form described annulus stop bit plane, the external diameter of the tooth top place circumference of described second spur gear is less than the diameter of described second body opposite side end face.
In the two rotary shaft mechanism of above-mentioned slip, described second two-sided counterbore comprises the 3rd bottom surface and the 4th bottom surface of opposing setting, and respectively from the 3rd hole wall and the 4th hole wall of the axial opposing extension in described 3rd bottom surface and the 4th bottom surface, wherein, the cavity that described 3rd hole wall surrounds for accommodating described first helical spring, described 3rd bottom surface be positioned at described second spur gear central position and as confession described first helical spring against the second spring action plane; The cavity that described 4th hole wall surrounds for accommodating described second helical spring, described 4th bottom surface be positioned at described second spur gear central position and as confession described second helical spring against the 3rd spring action plane.
In the two rotary shaft mechanism of above-mentioned slip, described stop bit spring sheet comprises: the on the described sidewall being fixedly connected to the close center of circle of described revolving grate support the 3rd fixing snap fit and the one end from the 3rd fixing snap fit stretch out formed for fixing the variant part of snap fit clamping with described spring sheet, wherein, described variant part has described second displacement inclined-plane and described second reset stop surface.
A kind of armrest box handrail described in two of the present invention, comprise casing and armrest cover plate, described armrest box handrail also comprises the two rotary shaft mechanism of two slips described above be symmetrically arranged, wherein, one end of described hinged cantilever in the two rotary shaft mechanism of described slip is connected with described armrest cover plate, and one end of the described revolving grate support in the two rotary shaft mechanism of described slip is connected with described casing.
A kind of armrest described in two of the present invention, comprise seat back and armrest cover plate, described armrest also comprises two rotary shaft mechanism that slides described above, wherein, one end of described hinged cantilever in the two rotary shaft mechanism of described slip is connected with described armrest cover plate, and one end of the described revolving grate support in the two rotary shaft mechanism of described slip is connected with described seat back.
Owing to have employed above-mentioned technical solution, the present invention achieves virtual two rotating shafts by adopting circular arc and revolving grate, and utilize ratchet, gear, rack rails, the cooperation of the parts such as spring, make handrail successively carry out the rotation of twice pure Circular test around the rotating center of two virtual axle, thus decrease the restriction that mechanism arranges handrail moulding and space; The present invention also utilizes the mechanical motion performance between the two-way ratchet of hinged cantilever and the two-way single direction ratchet of straight-tooth and wind spring to replace existing friction plate, and function is stagnated in the damping and the arbitrary position that achieve handrail, and can realize the function of mechanism's self-return; Utilize the unidirectional ratchet of the two-way single direction ratchet of straight-tooth and straight-tooth single direction ratchet simultaneously, achieve in movement locus, provide multiple hovering position and using within the specific limits can several positions of bearing load as the working position of handrail, to meet the different requirements of different users to armrest positions comfort level.
Accompanying drawing explanation
Fig. 1 a is the mounting structure schematic diagram of a kind of pair of rotary shaft mechanism of the present invention;
Fig. 1 b is the close-up schematic view at b place in Fig. 1 a;
Fig. 1 c is the close-up schematic view at c place in Fig. 1 a;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of a kind of pair of rotary shaft mechanism of the present invention;
Fig. 3 a-c is hinged cantilever in the present invention (locally) structural representation respectively;
Fig. 4 a-c is revolving grate support (locally) structural representation in the present invention respectively;
Fig. 5 is the structural representation of wind spring in the present invention;
Fig. 6 a-b is the structural representation of the two-way single direction ratchet of straight-tooth in the present invention respectively;
Fig. 7 is the first helical spring structural representation in the present invention;
Fig. 8 a-b is the structural representation of straight-tooth single direction ratchet in the present invention respectively;
Fig. 9 is the second helical spring structural representation in the present invention;
Figure 10 is the structural representation of stop bit spring sheet in the present invention;
Figure 11 is the present invention's structure sectional view in an initial condition;
Figure 12 a-b is wind spring structure sectional view in an initial condition in the present invention respectively;
Figure 13 is the structure sectional view of the present invention under the instantaneous state of setting in motion;
Figure 14 a-b is the structural representation that first and second spur gear in the present invention engages with upper and lower circular arc straight-tooth rack rails respectively;
Figure 15 a-c is the structural perspective of the present invention under the instantaneous state of setting in motion respectively;
Figure 16 a is the configuration state figure of the present invention when the first stage rotates to terminal;
Figure 16 b is the structure sectional view of cotter pilotage in circular arc in the present invention;
Figure 16 c is structure sectional view when cotter pilotage moves to circular arc terminal in the present invention;
Figure 17 be the present invention in the first phase straight-tooth single direction ratchet displacement time intermediateness structure sectional view figure;
Figure 18 is the structure sectional view of the present invention when the first stage rotates to terminal;
Figure 19 a-b is the structure sectional view of wind spring when the first stage rotates to terminal in the present invention respectively;
Figure 20 is the configuration state figure of the present invention when second stage rotates to terminal;
Figure 21 is the structural perspective of the present invention in second stage rotary course;
Figure 22 is the structural representation of the present invention in closing movement process;
Figure 23 is that the present invention carries out closing movement and structural representation under moving to initial position instantaneous state.
Embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and be described in detail.
Refer to Fig. 1-2 3, below in an example, for the handrail with the two rotary shaft mechanism of two covers slip of the present invention, wherein, the two rotary shaft mechanism of this two covers slip is symmetrically arranged in (the two rotary shaft mechanism of slip of single cover can be used for armrest) on armrest box handrail.The two rotary shaft mechanism of slip of the present invention comprises: hinged cantilever 1, revolving grate support 2, wind spring 3, straight-tooth two-way single direction ratchet 4, first helical spring 5, straight-tooth single direction ratchet 6, second helical spring 7 and stop bit spring sheet 8, wherein, one end of hinged cantilever 1 is connected with armrest cover plate part, and one end of revolving grate support 2 is connected with the parts (such as armrest box casing or seat back) of handrail to be installed.
The other end of hinged cantilever 1 has: assembly wall 10, this assembly wall 10 be fixedly connected with perpendicular to this assembly wall 10 on a side of another hinged cantilever 1 and towards this another hinged cantilever 1 extend fixing circular shaft pin 12 (in the present embodiment, fixing circular shaft pin 12 is one-body molded with assembly wall 10), and this side of assembly wall 10 also has around this fixing circular shaft pin 12 outer circumference to arrange the first two-way ratchet 11, wherein, the free end of fixing circular shaft pin 12 is provided with the cotter pilotage 13 coaxial with it (in the present embodiment, cotter pilotage 13 is one-body molded with fixing circular shaft pin 12), fixing circular shaft pin 12 has the one section of axial cavity 120 extended to free end from the end adjacent with assembly wall 10, the outer rim of this fixing circular shaft pin 12 offers the opening passing to this axial cavity 120, and the inwall of this axial cavity 120 has extended radially inwardly the first fixing snap fit 14 from this opening.
The other end of revolving grate support 2 has a step structure, this step structure specifically comprises: outward extending perpendicular to the arc-shaped side in arc track the face 201 respectively and stepped side walls of symmetrical configuration (sidewall near the center of circle is positioned at the top of the sidewall away from the center of circle) of arc track face 201 and two, and two sidewalls are connected at one end place in arc track face 201, wherein, each sidewall comprises successively the first vertical surface 202 connected vertically mutually, first parallel surface 203, second vertical surface 204, second parallel surface 205 and the 3rd vertical surface 206, wherein, first, second and the 3rd vertical surface 202, 204, 206 is vertical with arc track face 201, first, second parallel surface 203, 205 is substantially parallel with arc track face 201, distance between distance between first vertical surface 202 of two sidewalls, the second vertical surface 204 and the distance between the 3rd vertical surface 206 increase successively, first vertical surface 202 and the arc track face 201 of two sidewalls define the circular arc 23 for sliding for cotter pilotage 13 wherein, and by making two the first vertical surfaces 202 at one end place circular sliding slopes in arc track face 201, thus formed at one end place of circular arc 23 one communicate with this circular arc 23, for the revolving grate 24 for cotter pilotage 13 rotatable tilt fixing wherein, first parallel surface 203 of two sidewalls is coplanar, and is connected at revolving grate 24 place, thus forms the first supporting surface extended round circular arc 23 and revolving grate 24, and in like manner, the second parallel surface 205 of two sidewalls defines the second supporting surface.
The other end of revolving grate support 2 also has: be arranged on the upper circular arc straight-tooth rack rails 22 on the second vertical surface 204 of the sidewall in the center of circle, to be arranged on the 3rd vertical surface 206 of the sidewall in the center of circle and the spring sheet corresponding with revolving grate 24 position is fixed snap fit 29 and be positioned at this spring sheet and fix snap fit 29 side and spaced away have a jut of the first reset stop surface 28 towards the second parallel surface 205 be adjacent from the 3rd vertical surface 206 to downward-extension, be arranged on away from the lower circular arc straight-tooth rack rails 21 on the 3rd vertical surface 206 of the sidewall in the center of circle, and be arranged on its displacement front position-arresting face 25 on a side of the second parallel surface 205 along the bearing of trend of lower circular arc straight-tooth rack rails 21, wherein, align substantially with the position of revolving grate 24 in basic corresponding one end, position of upper circular arc straight-tooth rack rails 22 and lower circular arc straight-tooth rack rails 21, the height in displacement front position-arresting face 25 flushes with the tooth top of lower circular arc straight-tooth rack rails 21, and this displacement front position-arresting face 25 has towards the outstanding trapezoid block of the second parallel surface 205 be adjacent in the position near revolving grate 24, the surface design towards this second parallel surface 205 of this trapezoid block is comprise: from displacement front position-arresting face 25 towards the first displacement inclined-plane 26 extended near this second parallel surface 205 direction, and from the displacement rear position-arresting face 27 that this first displacement inclined-plane 26 extends along the direction being parallel to displacement front position-arresting face 25 away from lower circular arc straight-tooth rack rails 21, wherein, the position on the first displacement inclined-plane 26 is corresponding with the interval location that spring sheet is fixed between snap fit 29 and jut, displacement rear position-arresting face 27 is corresponding with the position that snap fit 29 fixed by spring sheet.
Wind spring 3 is set in the outer rim of fixing circular shaft pin 12, being positioned at opening that inner one end is formed as stretching in fixing circular shaft pin 12 outer rim and catching on the crimping 32 of the first fixing snap fit 14 of this wind spring 3, and it is positioned at outside one end and is formed as crotch 31.
The two-way single direction ratchet 4 of straight-tooth comprises: the first noumenon with cylindrical peripheral face, be periphery the second two-way ratchet 41 that can engage with the first two-way ratchet 11 on a side end face of this first noumenon, coaxially be connected on the opposite side end face of this first noumenon for the first spur gear 44 of engaging with lower circular arc straight-tooth rack rails 21 and the first unidirectional ratchet 45 on a side end face of this first spur gear 44 that is periphery, wherein, the external diameter of the second two-way ratchet 41 place circumference is consistent with the external diameter of the first noumenon, the external diameter of the tooth top place circumference of the first spur gear 44 is slightly less than the external diameter of the first noumenon, and the external diameter of the tooth root place circumference of the first spur gear 44 is consistent with the external diameter of the first unidirectional ratchet 45 place circumference.The central position of the two-way single direction ratchet of straight-tooth 4 is also provided with an axially extended confession and fixes the first two-sided counterbore 43 that circular shaft pin 12 passes, this the first two-sided counterbore 43 comprises the first bottom surface and second bottom surface of opposing setting, and respectively from the first hole wall and second hole wall of the axial opposing extension in the first bottom surface and the second bottom surface, wherein, the cavity that first hole wall surrounds is for accommodating wind spring 3, and this first hole wall is provided with the second fixing snap fit 42 for catching on for crotch 31, first bottom surface is positioned at the central position of the first spur gear 44, and as wind spring 3 against wind spring action plane 47, the cavity that second hole wall surrounds is positioned at the central position of the first unidirectional ratchet 45 for accommodating the first helical spring 5, second bottom surface being set in fixing circular shaft pin 12 outer rim, and as the first helical spring 5 against the first spring action plane 46.
Straight-tooth single direction ratchet 6 comprises: the second body, and its outer circumferential face is designed to comprise from second body one end towards the second body the other end diminishing displacement conical surface 67 and the cylndrical surface extending to the second body the other end from the edge that the diameter of this displacement conical surface 67 is minimum, straight-tooth single direction ratchet 6 also comprises: be periphery the second body near displacement conical surface 67 a side end face on second unidirectional ratchet 61 that can engage with the first unidirectional ratchet 45 and the second spur gear 65 for engaging with upper circular arc straight-tooth rack rails 22 be coaxially connected on the opposite side end face of the second body, wherein, the external diameter of the second unidirectional ratchet 61 place circumference is less than the diameter of the second body one side end face, thus make the part of a side end face meta of the second body in the second unidirectional ratchet 61 outer ring form annulus stop bit plane 62, in the course of action of mechanism, this annulus stop bit plane 62 is by priority and displacement front position-arresting face 25, first displacement inclined-plane 26, displacement rear position-arresting face 27, first reset stop surface 28 contacts (hereinafter will describe in detail to it), the external diameter of the tooth top place circumference of the second spur gear 65 is less than the diameter of the second body opposite side end face.The central position of straight-tooth single direction ratchet 6 is also provided with an axially extended confession and fixes the second two-sided counterbore 64 that circular shaft pin 12 passes, this second two-sided counterbore 64 comprises the 3rd bottom surface and the 4th bottom surface of opposing setting, and respectively from the 3rd hole wall and the 4th hole wall of the axial opposing extension in the 3rd bottom surface and the 4th bottom surface, wherein, the cavity that 3rd hole wall surrounds for accommodating first helical spring 5 (that is, the cavity inside diameter that 3rd hole wall surrounds is consistent with the cavity inside diameter that the second hole wall of the two-way single direction ratchet of straight-tooth 4 surrounds), 3rd bottom surface is positioned at the central position of the second spur gear 65, and as the first helical spring 5 against the second spring action plane 63, namely, the two ends of the first helical spring 5 act on the first spring action plane 46 of the two-way single direction ratchet 4 of straight-tooth and the second spring action plane 63 of straight-tooth single direction ratchet 6 respectively, the cavity that 4th hole wall surrounds is for accommodating the second helical spring 7 being set in fixing circular shaft pin 12 outer rim, 4th bottom surface is positioned at the central position of the second spur gear 65, and as the second helical spring 7 against the other end of the 3rd spring action plane 66, second helical spring 7 then act on the first supporting surface of being made up of the first parallel surface 203.
Stop bit spring sheet 8 comprises: the on the sidewall being fixedly connected to the close center of circle of revolving grate support 2 the 3rd fixing snap fit 83 and the one end from the 3rd fixing snap fit 83 stretch out formed for fixing the variant part of snap fit 29 clamping with spring sheet, wherein, variant part has can conjugate inclined-plane 82 with the displacement conical surface 67 interactional second of straight-tooth single direction ratchet 6 and towards the second parallel surface 205 be adjacent and the second reset stop surface 81 parallel with this second parallel surface 205, this the second reset stop surface 81 is corresponding with the position of the first reset stop surface 28.
Working principle of the present invention is as follows:
Mechanism can as shown in Figure 11,12 under initial rest state, and now, wind spring 3 is set in fixing circular shaft pin 12 outer rim, and the crimping 32 of its inner catches on the fixing snap fit 14 of first in fixing circular shaft pin 12.The two-way single direction ratchet of straight-tooth 4 is by its first two-sided counterbore 43 and fixing circular shaft pin 12 shaft hole matching, thus make the two-way single direction ratchet of this straight-tooth 4 be set in fixing circular shaft pin 12 outer rim, and its second two-way ratchet 41 closely engages with the two-way ratchet 11 of first on assembly wall 10, and make the crotch 31 of wind spring 3 outer end catch on the fixing snap fit 42 of second in the two-way single direction ratchet 4 of straight-tooth, that is, wind spring 3 is assemblied between the assembly wall 10 of hinged cantilever 1 and the two-way single direction ratchet 4 of straight-tooth; As shown in figure 12, under this original state, the two-way single direction ratchet 4 of wind spring 3 pairs of straight-tooth is applied with a moment of torsion rotated along mechanism's closing direction (as shown in the direction of arrow in Figure 12 b).First helical spring 5 is set in fixing circular shaft pin 12 outer rim, and its one end is resisted against in the first spring action plane 46 of the two-way single direction ratchet 4 of straight-tooth.Straight-tooth single direction ratchet 6 is by its second two-sided counterbore 64 and fixing circular shaft pin 12 shaft hole matching, thus make this straight-tooth single direction ratchet 6 be set in fixing circular shaft pin 12 outer rim, and its second unidirectional ratchet 61 closely engages with the first unidirectional ratchet 45 of the two-way single direction ratchet 4 of straight-tooth, and make the other end of the first helical spring 5 be resisted against in the second spring action plane 63 of straight-tooth single direction ratchet 6, namely, first helical spring 5 is assemblied between the two-way single direction ratchet 4 of straight-tooth and straight-tooth single direction ratchet 6, first helical spring 5 can the second spring action plane 63 be reference level, pressure is applied to the two-way single direction ratchet 4 of straight-tooth.Second helical spring 7 is set in fixing circular shaft pin 12 outer rim, and its one end is resisted against in the 3rd spring action plane 66 of straight-tooth single direction ratchet 6.After completing above-mentioned assembling, the cotter pilotage 13 of fixing circular shaft pin 12 free end is assemblied in the circular arc 23 of revolving grate support 2, thus hinged cantilever 1 is connected with revolving grate support 2, and make the other end of the second helical spring 7 be resisted against on the first parallel surface 203 of revolving grate support 2, second helical spring 5 can the first parallel surface 203 be reference level, pressure is applied to straight-tooth single direction ratchet 6, simultaneously, the lower circular arc straight-tooth rack rails 21 of revolving grate support 2 engages with the first spur gear 44 of the two-way single direction ratchet 4 of straight-tooth, upper circular arc straight-tooth rack rails 22 engages with the second spur gear 65 of straight-tooth single direction ratchet 6, and the annulus stop bit plane 62 of straight-tooth single direction ratchet 6 is fitted with the displacement front position-arresting face 25 of revolving grate support 2.
Under above-mentioned original state, if the cotter pilotage 13 of hinged cantilever 1 slides in the circular arc 23 of revolving grate support 2, then can drive simultaneously respectively with lower circular arc straight-tooth rack rails 21, the two-way single direction ratchet 4 of straight-tooth of upper circular arc straight-tooth rack rails 22 engagement, straight-tooth single direction ratchet 6 is rolled, and engage with the first two-way ratchet 11 of hinged cantilever 1 due to the second two-way ratchet 41 of the two-way single direction ratchet of straight-tooth 4, and the second unidirectional ratchet 61 of straight-tooth single direction ratchet 6 engages with the first unidirectional ratchet 45 of the two-way single direction ratchet 4 of straight-tooth, therefore, when hinged cantilever 1 only slides and does not rotate, the prerequisite that the two-way single direction ratchet of straight-tooth 4 and straight-tooth single direction ratchet 6 can be rolled is that the first two-way ratchet 11 and the second two-way ratchet 41 depart from, first unidirectional ratchet 45 and the second unidirectional ratchet 61 depart from.
Mechanism can as Figure 13 under the instantaneous state of setting in motion, shown in 15, user applies breaking force to handrail, thus make the cotter pilotage 13 of hinged cantilever 1 direction had in the circular arc 23 of revolving grate support 2 towards revolving grate 24 start the trend of sliding, in this moment, user is passed between the first two-way ratchet 11 and the second two-way ratchet 41 and between the first unidirectional ratchet 45 and the second unidirectional ratchet 61 to the breaking force that handrail applies by hinged cantilever 1, wherein, because the side ratcheted ramp between the first two-way ratchet 11 and the second two-way ratchet 41 interacts, thus define the axial force that is parallel to cotter pilotage 13, this axial force is while overcoming the first helical spring 5 pressure, promote the two-way single direction ratchet of straight-tooth 4 and axial displacement occurs until the first two-way ratchet 11 and the second two-way ratchet 41 depart from mutually, in like manner, due to the first unidirectional ratchet 45 and the second unidirectional ratchet 61 side ratcheted ramp (namely, first inclined-plane 452 of the first unidirectional ratchet 45 and the second inclined-plane 612 of the second unidirectional ratchet 61) interaction, thus define the axial force that is parallel to cotter pilotage 13, this axial force, while overcoming the second helical spring 7 pressure, promotes straight-tooth single direction ratchet 6 and axial displacement occurs until the first unidirectional ratchet 45 and the second unidirectional ratchet 61 depart from mutually, as shown in Figure 14, now, the two-way single direction ratchet 4 of straight-tooth and straight-tooth single direction ratchet 6 can do rolling motion by the direction of arrow in figure respectively under the drive of hinged cantilever 1, it should be noted that the sense of rotation of the two-way single direction ratchet of straight-tooth 4 and straight-tooth single direction ratchet 6 is contrary.
In the present invention, the stage that the cotter pilotage 13 of hinged cantilever 1 slides towards the direction of revolving grate 24 in the circular arc 23 of revolving grate support 2 is first of handrail and rotarily opens the stage (hereinafter referred to as the first stage).When certain position in this first stage of user applies the load of closing direction to handrail (, the cotter pilotage 13 of hinged cantilever 1 had in the circular arc 23 of revolving grate support 2 carry the trend slided in the direction of revolving grate 24), handrail can turn round several angle or directly can not turn round, this position be handrail one of them a handrail working position of putting elbow can be provided.This is because, in the moment that above-mentioned breaking force is cancelled, the axial force promoting the two-way single direction ratchet 4 of straight-tooth and straight-tooth single direction ratchet 6 also disappears, under the effect of the first helical spring 5 and the second helical spring 7, the first two-way ratchet 11 engages with the second unidirectional ratchet 61 respectively again with the second two-way ratchet 41 and the first unidirectional ratchet 45, now, user is passed between the first two-way ratchet 11 and the second two-way ratchet 41 and between the first unidirectional ratchet 45 and the second unidirectional ratchet 61 by hinged cantilever 1 to the power of the closing direction that handrail applies again, wherein, because the first two-way ratchet 11 and the second two-way ratchet 41 opposite side are also inclined-planes, so define the axial force that is parallel to cotter pilotage 13 equally, and while this axial force overcomes the first helical spring 5 pressure, the second two-way ratchet 41 and the first two-way ratchet 11 that promote the two-way single direction ratchet of straight-tooth 4 depart from, but, (namely the opposite side ratchet that masterpiece due to handrail closing direction is now used in the first unidirectional ratchet 45 and the second unidirectional ratchet 61 is faced directly, first of first unidirectional ratchet 45 face directly 451 and second unidirectional ratchet 61 second face 611 directly), therefore, can not form the axial force being parallel to cotter pilotage 13 between them goes promotion straight-tooth single direction ratchet 6 that axial displacement occurs, thus the first unidirectional ratchet 45 and the second unidirectional ratchet 61 also would not be made mutually to depart from, and then make straight-tooth single direction ratchet 6 cannot realize rolling, so, also the two-way single direction ratchet 4 of straight-tooth is just made cannot to roll equally, therefore, whole mechanism cannot carry out the rotary motion of closing direction, now, user can be delivered between unidirectional ratchet 45 and unidirectional ratchet 61 to the load that handrail applies, thus an armrest positions of putting elbow reliably can be provided to user.
When handrail rotates to first stage terminal along opening direction, namely, the state when cotter pilotage 13 of hinged cantilever 1 slides into its terminal intersection of revolving grate 24 (namely with) in the circular arc 23 of revolving grate support 2 in mechanism can be as shown in figure 16, now, the cotter pilotage 13 of hinged cantilever 1 moves in revolving grate 24 from circular arc 23.As seen from Figure 17, mechanism is when moving to the intermediateness of first stage, the annulus stop bit plane 62 of straight-tooth single direction ratchet 6 is under the effect on the first displacement inclined-plane 26 of revolving grate support 2, along the axial direction occurrence positions displacement of cotter pilotage 13, simultaneously, the displacement conical surface 67 of straight-tooth single direction ratchet 6 extrudes the second displacement inclined-plane 82 of stop bit spring sheet 8, thus makes stop bit spring sheet 8 obtain variant part generation deformation, until when whole mechanism kinematic is to first stage terminal, as seen from Figure 18, along with the motion of mechanism, conjugate inclined-plane 26 by first with the corresponding structure contacted of annulus stop bit plane 62 to become and conjugate rear position-arresting face 27, and annulus stop bit plane 62 and the second reset stop surface 81 of stop bit spring sheet 8 compare before position relationship also there occurs change, namely, annulus stop bit plane 62 has moved to the right of the second reset stop surface 81 Figure 18 on the left side of the second reset stop surface 81 from Figure 17, thus by making the second reset stop surface 81 contact with annulus stop bit plane 62, thus the axial position of restriction straight-tooth single direction ratchet 6, now, first unidirectional ratchet 45 departs from completely with the second unidirectional ratchet 61, in this case, no matter user applies the rotating force in any direction for handrail, impact is not played for the position relationship between the first unidirectional ratchet 45 and the second unidirectional ratchet 61, namely, now handrail can carry out second stage rotation along opening direction, also closing movement can be done along first stage rotating locus, and in this movement process, first unidirectional ratchet 45 can not engage with the second unidirectional ratchet 61 again, thus make the cotter pilotage 13 of hinged cantilever 1 in revolving grate 24 and can realize closing the action (situation that mechanism rotates along handrail closing direction will be described in more detail below) of handrail reentering in circular arc 23 afterwards.
In addition, when handrail rotates to first stage terminal along opening direction, the state of wind spring 3 can be as shown in figure 19, due in handrail opening process, roll together with the crotch 31 of wind spring 3 and second of the two-way single direction ratchet 4 of straight-tooth the fixing snap fit 42, the first fixing snap fit 14 that the crimping 32 of wind spring 3 is then fixed on hinged cantilever 1 keeps motionless, therefore, in movement process, the continuous crimp shrinkage of wind spring 3 meeting, wind spring 3 then can increase gradually for the moment of torsion of the two-way single direction ratchet 4 of straight-tooth.If no longer continue at the final position place of this first stage to apply external force to mechanism, namely, open if do not continue when handrail is opened to first stage terminal, the moment of torsion then relying on wind spring 3 to produce can make the two-way single direction ratchet 4 of straight-tooth do rolling motion along closing direction, namely, reverse slide in circular arc 23 got back to again by the cotter pilotage 13 of hinged cantilever 1, thus makes whole mechanism automatically move to closed position.
In the present invention, the stage that the cotter pilotage 13 of hinged cantilever 1 turns an angle in the revolving grate 24 of revolving grate support 2 is second of handrail and rotarily opens the stage (hereinafter referred to as second stage).When in mechanism, the cotter pilotage 13 of hinged cantilever 1 turns to predetermined angle in the revolving grate 24 of revolving grate support 2, the state of (during second stage terminal) can be as shown in figure 20.As seen from Figure 21, mechanism is in the rotary course of second stage, first unidirectional ratchet 45 and the second unidirectional ratchet 61 depart from as previously mentioned all the time mutually, first two-way ratchet 11 and the second two-way ratchet 41 then can intermittent type engage along with the rotation of hinged cantilever 1 in revolving grate 24, this is because, when user continues to open handrail thus makes to rotate around the arc surface central shaft of revolving grate 24 in the revolving grate 24 of the cotter pilotage 13 of hinged cantilever 1 at revolving grate support 2, the two-way single direction ratchet 4 of straight-tooth cannot rotation, thus the ratcheted ramp of the first two-way ratchet 11 and the second two-way ratchet 41 is interacted produce axial force to push the two-way single direction ratchet 4 of straight-tooth open, and once after the first two-way ratchet 11 and the second two-way ratchet 41 depart from, again for the pressure of the two-way single direction ratchet 4 of the first helical spring 5 pairs of straight-tooth, thus the first two-way ratchet 11 and the second two-way ratchet 41 are engaged again at once, thus achieve the engagement of so-called intermittent type.
And when being no longer subject to external force in the rotary course of mechanism in second stage, due to the first two-way ratchet 11 to engage with the second two-way ratchet 41 and the first helical spring 5 for the pressure of the two-way single direction ratchet 4 of straight-tooth, and the moment of torsion produced between the first two-way ratchet 11 and the second two-way ratchet 41 will be overcome closing torque that whole mechanism gravity produces and make whole mechanism spatially keep balancing static, and only have and can rotate when handrail is subject to external force, and the function class that this approximate arbitrary position is stagnated is like the function of frictional damping sheet in other mechanisms.Realize this function, another condition of demand fulfillment is gone back in mechanism, namely, as seen from Figure 19, mechanism is when second stage rotates, second fixing snap fit 42 does not rotate with the crotch 31 of wind spring 3, first fixing snap fit 14 then rotates motion with the crimping 32 of wind spring 3 simultaneously, simultaneously by the first fixing mating between snap fit 14 with crimping 32, wind spring 3 can apply a moment of torsion rotated along closing direction to hinged cantilever 1, but because this load is very near rotating center, therefore crotch 31 moment of torsion that fixing snap fit 42 produces relative to second that its moment of torsion produced is described before comparing is little, so except illustrate before owing to also needing to be greater than the first fixing moment of torsion produced between snap fit 14 and crimping 32 again except to make the moment of torsion produced between the first two-way ratchet 11 and the second two-way ratchet 41 be greater than for the pressure of the two-way single direction ratchet 4 of the straight-tooth closing torque that whole mechanism gravity produces of the first helical spring 5 in mechanism, thus can make to realize in the rotary course of mechanism in revolving grate 24 hovering without during occupant's steering force, and mechanism is when moving to circular arc 23 along closing direction, due to make the moment of torsion produced between the first two-way ratchet 11 and the second two-way ratchet 41 be less than for the pressure of the two-way single direction ratchet 4 of straight-tooth closing torque that whole mechanism gravity produces and the second fixing moment of torsion sum produced between snap fit 42 and crotch 31 of the first helical spring 5 in mechanism, thus achieve and automatically close without during occupant's steering force.
When mechanism moves to initial position along closing direction from first stage terminal, namely when the cotter pilotage 13 of hinged cantilever 1 is again got back in circular arc 23 from the revolving grate 24 of revolving grate support 2, as seen from Figure 22, the annulus stop bit plane 62 of straight-tooth single direction ratchet 6 first interacts with the second reset stop surface 81 of stop bit spring sheet 8, interact with same first reset stop bit plane 28 of keeping off revolving grate support 2 before it again, thus ensure the invariant position of straight-tooth single direction ratchet 6 on himself symmetry axis direction, namely, first unidirectional ratchet 45 of two-way single direction ratchet 4 departs from straight-tooth all the time when the first stage closes rotary motion to make the second unidirectional ratchet 61, can not engage.And more as shown in figure 23, initial position is got back to by mechanism, now the first reset stop bit plane 28 cannot block annulus stop bit plane 62 again, thus make straight-tooth single direction ratchet 6 under the elastic force effect of the second helical spring 7, parallel with the axial direction of cotter pilotage 13 on be subjected to displacement, first unidirectional ratchet 45 and the second unidirectional ratchet 61 engage each other again, and then the position before making mechanism get back to initial setting in motion, ensure that whole mechanism can start motion next time, and in this closing process, open the situation can not carrying out closing direction motion occurred in rotary course in the first stage before can not occurring.
As can be seen here, present invention achieves handrail opening movement successively to rotate around the two virtual rotating centers realized by circular arc and revolving grate respectively, then order is contrary for movement process when handrail is closed, achieve on this basis: open in rotating locus in the first stage simultaneously, handrail can not oppositely can be closed in several position, and can only rotate along opening direction, certain load can be born in these positions, as the working position (namely providing an armrest positions of putting elbow reliably to user) of handrail, to adapt to the comfort level needs of different crowd, complete the rotary motion of first stage at handrail after, perform the rotating locus of second stage, in this stage, handrail can be stagnated in the situation lower aprons arbitrary position not by external force, and in this revolving process, handrail can continue to open or close to rotate under external force, and the phenomenon can not moved along closing direction in the first stage before there will not be, and when handrail close rotate get back to the corresponding first stage time, handrail can when not being closed to final position by automatic rotation when external force.
In addition, compared with existing single rotating shaft technology, of the present invention pair of rotary shaft mechanism can increase a lot with the clearance distance of other parts (such as exhaust outlet, panel etc.) in movement process, such as, the clearance limit of single turning shaft structure and rear board is generally 3-4mm, but of the present invention pair of rotary shaft mechanism then can be easy to design accomplishes more than 10mm; And, the in use common situation of single rotary shaft mechanism is that handrail is when being turned to limit position, easily block rear exhaust outlet, two rotary shaft mechanism then can be easy to avoid this problem, thus on the function basis realizing existing hovering and adjustment carrying gear, decrease the restriction that mechanism arranges handrail moulding and space simultaneously.
Above-described, be only preferred embodiment of the present invention, and be not used to limit scope of the present invention, the above embodiment of the present invention can also make a variety of changes.Namely every claims according to the present patent application and description are done simple, equivalence change and modify, and all fall into the claims of patent of the present invention.The not detailed description of the present invention be routine techniques content.
Claims (18)
1. slide a two rotary shaft mechanism, and it is characterized in that, described mechanism comprises:
Hinged cantilever, its one end is connected with peripheral armrest cover plate part, the other end has an assembly wall, and the first two-way ratchet that a side of this assembly wall is provided with a fixing circular shaft pin and arranges around this fixing circular shaft pin circumference, wherein, the free end of described fixing circular shaft pin is coaxially provided with a cotter pilotage, and the first fixing snap fit that fixing circular shaft pin also has one section of axial cavity and extends radially inwardly from the inwall of this axial cavity;
Revolving grate support, its one end is connected with the parts of periphery handrail to be installed, the other end has outward extending perpendicular to the arc-shaped side in this arc track face respectively and stepped side walls of symmetrical configuration of an arc track face and two, and these two sidewalls are connected at one end place in described arc track face, with make described arc track face and described sidewall jointly surround one communicate with this circular arc for the circular arc of sliding wherein for described cotter pilotage and one end place of being positioned at this circular arc, for the revolving grate for described cotter pilotage rotatable tilt fixing wherein; the other end of described revolving grate support also has the upper circular arc straight-tooth rack rails be arranged on the described sidewall in the center of circle, the spring sheet corresponding with described revolving grate position is fixed snap fit and is positioned at this spring sheet and fix snap fit side and jut spaced away, also have to be arranged on and be arranged on its displacement front position-arresting face on a side in described arc track face away from the lower circular arc straight-tooth rack rails on the described sidewall in the center of circle and along the bearing of trend of this lower circular arc straight-tooth rack rails, wherein, the aligned in position of one end that the position of described upper circular arc straight-tooth rack rails and lower circular arc straight-tooth rack rails is corresponding and described revolving grate, described displacement front position-arresting face has the trapezoid block outstanding towards described arc track face in the position near described revolving grate, the surface design towards described arc track face of this trapezoid block is comprise: face the first displacement inclined-plane extended near direction, described arc track face from displacement front position-arresting, and from the displacement rear position-arresting face that this first displacement inclined-plane extends along the direction being parallel to described displacement front position-arresting face away from lower circular arc straight-tooth rack rails, wherein, the position on described first displacement inclined-plane is corresponding with the interval location that described spring sheet is fixed between snap fit and described jut, described displacement rear position-arresting face is corresponding with the position that snap fit fixed by described spring sheet, described jut has the first reset stop surface towards described arc track face,
Be set in the wind spring of described fixing circular shaft pin outer rim, it is positioned at inner one end and stretches into described axial cavity and catch on the described first fixing snap fit;
The two-way single direction ratchet of straight-tooth, it has for the second two-way ratchet with described first two-way ratchet engagement, for the first spur gear engaged with described lower circular arc straight-tooth rack rails and the first unidirectional ratchet be periphery on a side end face of this first spur gear, the central position of the two-way single direction ratchet of described straight-tooth is also provided with the first two-sided counterbore that the described fixing circular shaft pin of an axially extended confession passes, and the side hole wall of this first two-sided counterbore is provided with for being positioned at for described wind spring the second fixing snap fit caught on outside one end;
Straight-tooth single direction ratchet, it has the second unidirectional ratchet for engaging with described first unidirectional ratchet, for the second spur gear engaged with described upper circular arc straight-tooth rack rails, be arranged in described second unidirectional ratchet outer rim annulus stop bit plane perpendicular to axial direction and from the edge of this annulus stop bit plane towards the diminishing displacement conical surface of described second spur gear, wherein, described annulus stop bit plane to be slided and successively and described displacement front position-arresting face along with described cotter pilotage in described circular arc, first displacement inclined-plane, displacement rear position-arresting face, first reset stop surface contact, the central position of described straight-tooth single direction ratchet is also provided with the second two-sided counterbore that the described fixing circular shaft pin of an axially extended confession passes,
Be set in the first helical spring of described fixing circular shaft pin outer rim, in the cavity that the side hole wall of the cavity that its opposite side hole wall being contained in described first two-sided counterbore surrounds and described second two-sided counterbore surrounds;
Be set in the second helical spring of described fixing circular shaft pin outer rim, in the cavity that its opposite side hole wall being contained in described second two-sided counterbore surrounds, and be resisted against on described sidewall; And
Be connected to described spring sheet and fix stop bit spring sheet on snap fit, it has for conjugating inclined-plane and the second reset stop surface corresponding with described first reset stop surface position with described displacement conical surface interactional second.
2. the two rotary shaft mechanism of slip according to claim 1, it is characterized in that, described fixing circular shaft pin stretches out perpendicular to described assembly wall, and one-body molded with this assembly wall.
3. the two rotary shaft mechanism of slip according to claim 1, is characterized in that, described cotter pilotage and described fixing circular shaft pin one-body molded.
4. the two rotary shaft mechanism of slip according to claim 1, it is characterized in that, described axial cavity extends from the end adjacent with described assembly wall of described fixing circular shaft pin to described free end, and the outer rim of described fixing circular shaft pin offers the opening that passes to described axial cavity.
5. the two rotary shaft mechanism of slip according to claim 1, it is characterized in that, each described sidewall comprises successively the first vertical surface connected vertically, the first parallel surface, the second vertical surface, the second parallel surface and the 3rd vertical surface mutually, wherein, described first, second, and third vertical surface is vertical with described arc track face, and first, second parallel surface described is parallel with described arc track face; Distance between distance between described first vertical surface of two described sidewalls, described second vertical surface and the distance between described 3rd vertical surface increase successively.
6. the two rotary shaft mechanism of slip according to claim 5, it is characterized in that, first vertical surface and the described arc track face of described two sidewalls surround described circular arc, and described two the first vertical surfaces are at one end place circular sliding slopes in described arc track face, to form described revolving grate.
7. the two rotary shaft mechanism of slip according to claim 5, it is characterized in that, first parallel surface of described two sidewalls is coplanar, and is connected at described revolving grate place, with formed described second helical spring of confession that extends round described circular arc and revolving grate against the first supporting surface.
8. the two rotary shaft mechanism of slip according to claim 5, is characterized in that, described upper circular arc straight-tooth rack rails is arranged on the second vertical surface of the described sidewall in the center of circle; Described spring sheet is fixed snap fit and is arranged on the 3rd vertical surface of the described sidewall in the center of circle; Described jut is from the 3rd vertical surface of described sidewall near the center of circle to downward-extension; Described lower circular arc straight-tooth rack rails is arranged on the 3rd vertical surface away from the described sidewall in the center of circle; The height in described displacement front position-arresting face flushes with the tooth top of described lower circular arc straight-tooth rack rails.
9. the two rotary shaft mechanism of slip according to claim 1, is characterized in that, the inner one end that is positioned at of described wind spring is formed as catching on the crimping that described first fixes snap fit, and it is positioned at the crotch that outside one end is formed as catching on the described second fixing snap fit.
10. the two rotary shaft mechanism of slip according to claim 1, it is characterized in that, the two-way single direction ratchet of described straight-tooth comprises the first noumenon with cylindrical peripheral face, described second two-way ratchet is periphery on a side end face of described the first noumenon, and described first spur gear is coaxially connected on the opposite side end face of this first noumenon.
The two rotary shaft mechanism of 11. slips according to claim 10, it is characterized in that, the external diameter of described second two-way ratchet place circumference is consistent with the external diameter of described the first noumenon, the external diameter of the tooth top place circumference of described first spur gear is less than the external diameter of described the first noumenon, and the external diameter of the tooth root place circumference of described first spur gear is consistent with the external diameter of described first unidirectional ratchet place circumference.
The two rotary shaft mechanism of 12. slips according to claim 1, it is characterized in that, described first two-sided counterbore comprises the first bottom surface and second bottom surface of opposing setting, and respectively from the first hole wall and second hole wall of the axial opposing extension in described first bottom surface and the second bottom surface, wherein, the cavity that described first hole wall surrounds is for accommodating described wind spring, and this first hole wall is provided with the described second fixing snap fit, described first bottom surface be positioned at described first spur gear central position and as the described wind spring of confession against wind spring action plane; The cavity that described second hole wall surrounds for accommodating described first helical spring, described second bottom surface be positioned at described first unidirectional ratchet central position and as confession described first helical spring against the first spring action plane.
The two rotary shaft mechanism of 13. slips according to claim 1, it is characterized in that, described straight-tooth single direction ratchet comprises: the second body, and its outer circumferential face is designed to comprise from second body one end towards the diminishing described displacement conical surface of the second body the other end and the cylndrical surface extending to the second body the other end from the edge that the diameter of this displacement conical surface is minimum; Described second unidirectional ratchet is periphery on a side end face of the close described displacement conical surface of described second body, and described second spur gear is coaxially connected on the opposite side end face of described second body.
The two rotary shaft mechanism of 14. slips according to claim 13, it is characterized in that, the external diameter of described second unidirectional ratchet place circumference is less than the diameter of a side end face of the close described displacement conical surface of described second body, to make the part of a side end face meta of the close described displacement conical surface of described second body in described second unidirectional ratchet outer ring form described annulus stop bit plane, the external diameter of the tooth top place circumference of described second spur gear is less than the diameter of described second body opposite side end face.
The two rotary shaft mechanism of 15. slips according to claim 1, it is characterized in that, described second two-sided counterbore comprises the 3rd bottom surface and the 4th bottom surface of opposing setting, and respectively from the 3rd hole wall and the 4th hole wall of the axial opposing extension in described 3rd bottom surface and the 4th bottom surface, wherein, the cavity that described 3rd hole wall surrounds for accommodating described first helical spring, described 3rd bottom surface be positioned at described second spur gear central position and as confession described first helical spring against the second spring action plane; The cavity that described 4th hole wall surrounds for accommodating described second helical spring, described 4th bottom surface be positioned at described second spur gear central position and as confession described second helical spring against the 3rd spring action plane.
The two rotary shaft mechanism of 16. slips according to claim 1, it is characterized in that, described stop bit spring sheet comprises: the on the described sidewall being fixedly connected to the close center of circle of described revolving grate support the 3rd fixing snap fit and the one end from the 3rd fixing snap fit stretch out formed for fixing the variant part of snap fit clamping with described spring sheet, wherein, described variant part has described second displacement inclined-plane and described second reset stop surface.
17. 1 kinds of armrest box handrails, it comprises casing and armrest cover plate, it is characterized in that, described armrest box handrail also comprises two rotary shaft mechanisms as two in the slip in claim 1-16 as described in any one be symmetrically arranged, wherein, one end of described hinged cantilever in the two rotary shaft mechanism of described slip is connected with described armrest cover plate, and one end of the described revolving grate support in the two rotary shaft mechanism of described slip is connected with described casing.
18. 1 kinds of armrests, it comprises seat back and armrest cover plate, it is characterized in that, described armrest also comprises a rotary shaft mechanism as two in the slip in claim 1-16 as described in any one, wherein, one end of described hinged cantilever in the two rotary shaft mechanism of described slip is connected with described armrest cover plate, and one end of the described revolving grate support in the two rotary shaft mechanism of described slip is connected with described seat back.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410257923.5A CN104006069B (en) | 2014-06-11 | 2014-06-11 | A kind of two rotary shaft mechanism and armrest box handrail and armrest of sliding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410257923.5A CN104006069B (en) | 2014-06-11 | 2014-06-11 | A kind of two rotary shaft mechanism and armrest box handrail and armrest of sliding |
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| CN104006069B true CN104006069B (en) | 2016-04-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105923001B (en) * | 2016-05-17 | 2018-01-19 | 成都市天龙交通设备有限公司 | Armrest height adjustment mechanism and seat |
| CN106427699A (en) * | 2016-08-31 | 2017-02-22 | 上海华特汽车配件有限公司 | Double-row armrest structure capable of being overturned and operated independently |
| CN109235353A (en) * | 2017-07-10 | 2019-01-18 | 常州格力博有限公司 | Manual gear regulating device and snowplough |
| CN112012607A (en) | 2019-05-29 | 2020-12-01 | 福特全球技术公司 | Hinge mechanism and armrest console including the same |
| DE102020206764A1 (en) * | 2020-05-29 | 2021-12-02 | Bos Gmbh & Co. Kg | Armrest device for a vehicle interior |
| CN113898661B (en) * | 2020-07-06 | 2022-12-06 | Oppo广东移动通信有限公司 | Rotating shaft device and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006014822B4 (en) * | 2006-03-29 | 2008-04-17 | Grammer Ag | Interior fitting for vehicles |
| DE102006056651A1 (en) * | 2006-11-29 | 2008-06-05 | Bos Gmbh & Co. Kg | Center armrest with parallel adjustment options |
| DE102008023751A1 (en) * | 2008-05-15 | 2009-11-19 | Grammer Ag | Equipment for a vehicle interior, in particular armrest for vehicle seats |
| CN102305235B (en) * | 2011-02-24 | 2013-07-24 | 延锋伟世通汽车饰件系统有限公司 | Gear and toothed rail rotating shaft assembly |
| CN103465811B (en) * | 2013-09-29 | 2016-12-07 | 长城汽车股份有限公司 | Seat knee pillow and there is the vehicle of this seat knee pillow |
-
2014
- 2014-06-11 CN CN201410257923.5A patent/CN104006069B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104006069A (en) | 2014-08-27 |
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Effective date of registration: 20160818 Address after: 201206 Shanghai City, Pudong New Area Chinese (Shanghai) free trade zone Jufeng Road No. 2166 Patentee after: SHANGHAI YANFENG JINQIAO AUTOMOTIVE TRIM SYSTEMS CO., LTD. Address before: 200235 Liuzhou Road, Shanghai, No. 399, No. Patentee before: Yanfeng Automotive Trim Systems Co., Ltd. |
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