CN206938536U - A kind of backrest lacing wire drive system - Google Patents
A kind of backrest lacing wire drive system Download PDFInfo
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- CN206938536U CN206938536U CN201720796033.0U CN201720796033U CN206938536U CN 206938536 U CN206938536 U CN 206938536U CN 201720796033 U CN201720796033 U CN 201720796033U CN 206938536 U CN206938536 U CN 206938536U
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- lacing wire
- backrest
- support
- drive system
- gear
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Abstract
The utility model discloses a kind of backrest lacing wire drive system, including：Waist support supports spring support, and top is used for the backrest frames for being articulated in seat；The sliding support body being arranged on waist support support spring support, has slide stopper slot thereon；Lacing wire, first end are arranged at the first sling point on backrest frames；Keeper, the second sling point being arranged on backrest frames；Lacing wire driver, including housing, driven internal gear, active external gear and handle, driven internal gear are rotatablely arranged in housing, and are provided with the lacing wire hanging structure for fixing lacing wire；Active external gear engages with driven internal gear；Handle is used to drive active external gear to rotate；Lacing wire hanging structure is fixed at second end of lacing wire.The utility model supports spring support to realize the function of shrinking and discharge by single lacing wire and waist support, simplifies the structure of lumbar support product, reduces cost, facilitate installation, and realizes the structure type of simple structure, miniaturization, integrated form.
Description
Technical field
Seat lumbar technical field is the utility model is related to, more particularly to a kind of backrest lacing wire drive system.
Background technology
With the development in science and technology in vehicular traffic field, requirement more and more higher of the people for vehicle riding comfort.It is a kind of
The manual simplified regulation support technology of the small of the back of vehicular field seat also arises at the historic moment, and progressively obtains the application in market.
In the past, such backrest lacing wire drive system generally use lacing wire driver, haulage cable passed through assembly pulley
Spring support is supported with waist support, realizes the local crowning or calm of backrest seat, and then realizes to support the small of the back of human body and makees
With.
The lacing wire driver of such lumbar support product, exactly the lifting gear or handle by adjusting waist adjusting switch
Gear, drive lacing wire driver.Be mounted with the lacing wire of steel wire rope on the lacing wire drive gear of lacing wire internal drive, and discharge or
Tighten up.The lacing wire collapsing length of steel wire rope, steel wire rope pass through the running block for being set in slidably framework, pull waist support backboard.
That draws the waist support backboard of backrest inner support backrest sponge bearing pads tightens height, realizes backrest seat difference bump height
Regulation.
However, the backrest lacing wire drive system of this quasi-tradition, lacing wire both ends are fixed on waist support backboard, centre bypasses
Pulley, pulley are fixed on pull bar by steady pin, and waist support backboard is connected in wire, and lacing wire is tightened up and (loosened), waist support backboard
Moving up and down along wire, withdrawn so as to jack up, existing scheme has the structures such as waist support backboard, wire, pull bar, pulley, steady pin,
Parts are more, and system architecture is complicated, and volume is bigger than normal, high expensive.The reason for installation operation is cumbersome inside seat, and it is each
Individual automotive seat factory is complained.And traditional lacing wire driver, generally use regulation handle driving lacing wire drive gear rotate,
Influenceed by handle rotating torque is bigger than normal so that manually operated more laborious.Therefore, some manufacturers use the shape of gear train
Formula, to reduce rotating torque, but due to construction profile during fishplate bar arrangement by the skeleton inside the backrest of relative narrowness
It is bigger than normal, it is not easy to arrange, installation operation is cumbersome, and by each automotive seat factory is complained.
Therefore, how to simplify the structure of lumbar support product, reduce cost, convenient installation, before rotating torque is reduced
Put, reduce the volume of lacing wire driver, to facilitate arrangement, turn into those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of backrest lacing wire drive system, to simplify lumbar support product
Structure, cost is reduced, convenient installation, on the premise of rotating torque is reduced, the volume of lacing wire driver is reduced, to facilitate cloth
Put,.
To achieve the above object, the utility model provides following technical scheme：
A kind of backrest lacing wire drive system, including：
Waist support supports spring support, and the top of the waist support support spring support is used for the backrest frames for being articulated in seat；
It is arranged on the waist support support spring support, and positioned at one of waist support support spring support away from backrest sponge bearing pads
The sliding support body of side, described slidably support on body have slip stopper slot；
Lacing wire, first end are arranged at the first sling point on the backrest frames；
Keeper, the second sling point being arranged on the backrest frames, the lacing wire is through sliding stopper slot and described
Keeper, first sling point and the second sling point are located at the both sides of the backrest frames respectively；
Lacing wire driver, the lacing wire driver include housing, driven internal gear, active external gear and handle, it is described from
Dynamic internal gear is rotatablely arranged in the housing, and is provided with the lacing wire hanging structure for fixing lacing wire；The active
External gear engages with the driven internal gear；The handle is used to drive the active external gear to rotate；The second of the lacing wire
The lacing wire hanging structure is fixed at end.
Preferably, in above-mentioned backrest lacing wire drive system, the first end of the lacing wire and the keeper are set
In on the position of the close backrest seat side of the backrest frames.
Preferably, in above-mentioned backrest lacing wire drive system, the sliding support body at least two, and wherein two
The individual sliding support body is arranged at the both sides of the waist support support spring support.
Preferably, in above-mentioned backrest lacing wire drive system, each sliding support body is shaped as identical
It is or different；The fixed form of each sliding support body is same or different.
Preferably, in above-mentioned backrest lacing wire drive system, the keeper is the fixed pulley with lacing wire cell body
Or the bending position constraint chute with hollow bend pipe structure, the lacing wire and the lacing wire cell body coordinate, or with the bending
The hollow bend pipe structure of position constraint chute coordinates.
Preferably, in above-mentioned backrest lacing wire drive system, the mobilizable hanging of keeper is described second
On sling point.
Preferably, in above-mentioned backrest lacing wire drive system, the lacing wire driver is hand lacing wire driver
Or electrodynamic type lacing wire driver.
Preferably, in above-mentioned backrest lacing wire drive system, the waist support support spring support includes：
Girder post positioned at both sides, the upper end of the girder post have the positioning and mounting structure for being articulated in the backrest frames
On mounting crozier；
The multiple spaced apart transverse directions being fixed on two girder posts are spread out bar, and the transverse direction positioned at top is spread out bar
Both ends have the mounting crozier being articulated on the other fishplate bar of the backrest frames both sides.
Preferably, in above-mentioned backrest lacing wire drive system, the cross-sectional area of the girder post is more than the horizontal stroke
To the cross-sectional area for the bar that spreads out.
Preferably, in above-mentioned backrest lacing wire drive system, the transverse direction bar that spreads out mutually is tied up with the girder post
The spring web frame of flexible deformable feature is formed, the transverse direction spreads out bar as the wire of linear or the gold of elastic bending
Belong to silk.
Preferably, in above-mentioned backrest lacing wire drive system, the sliding support body uses the peace of grafting tight fit
Dress mode is fixed on the girder post, and the side slided stopper slot and be located remotely from backrest foam-rubber cushion.
Preferably, in above-mentioned backrest lacing wire drive system, the girder post and the transverse direction bar that spreads out are metal
Plastic-coated structure.
Preferably, in above-mentioned backrest lacing wire drive system, the main body of the lacing wire is the twisted wire of multiply
Or the plastic line with self-lubricating feature.
Preferably, in above-mentioned backrest lacing wire drive system, the material of the plastic line is nylon, polytetrafluoroethyl-ne
Alkene, polyester or polyformaldehyde.
Preferably, in above-mentioned backrest lacing wire drive system, the lacing wire first end is mounted on institute by mounting body
State the first sling point.
Preferably, in above-mentioned backrest lacing wire drive system, first sling point is to coordinate with the mounting body
Hole, hanging pin or docking hook.
Preferably, in above-mentioned backrest lacing wire drive system, the keeper hangs body by clasp joint and is mounted on institute
State the second sling point.
Preferably, in above-mentioned backrest lacing wire drive system, the clasp joint hanging body is Plastic hanger, wire peg
Spring, metal hang contact pin or wire crotch.
Preferably, in above-mentioned backrest lacing wire drive system, the lacing wire is driven in the keeper and the lacing wire
Position between the outlet of dynamic device and between the sliding support body of arbitrary neighborhood two is arranged with sheath poling.
Preferably, in above-mentioned backrest lacing wire drive system, sheath poling set by the way of the grafting of end
It is located in the lacing wire, and the interface of the sheath poling is O-shaped tubular spigot or c-type socket.
Preferably, in above-mentioned backrest lacing wire drive system, in addition to it is coaxially connected with the active external gear
Manual actuation axle, the handle and the manual actuation axis connection.
Preferably, in above-mentioned backrest lacing wire drive system, one end of the manual actuation axle is and the handle
The connection end of connection, the other end, which has, mentions structure, is provided with the active external gear and the extension for mentioning structure clamping
Increment, the housing is stretched in outside the connection end, the structure of mentioning is located in the housing.
Preferably, in above-mentioned backrest lacing wire drive system, one end insertion of the active external gear is described manually
Drive shaft has the one end for mentioning structure；
The structure of mentioning is the gap being opened on the manual actuation axle, and the end of mentioning is to coordinate with the gap
Projection.
Preferably, in above-mentioned backrest lacing wire drive system, in addition to it is sheathed on tight on the manual actuation axle
Power spring, the both ends of the clamp force spring are positioned on the manual actuation axle, and one end of the clamp force spring with it is described
Active external gear is connected, and when the active external gear stirs the clamp force spring, the clamp force spring expansion and with it is described
Housing friction.
Preferably, in above-mentioned backrest lacing wire drive system, the handle is rod-type regulation handle or wheeled regulation
Handle.
Preferably, in above-mentioned backrest lacing wire drive system, the external tooth profile radius size of the active external gear
Less than or equal to the half of the internal tooth profile radius of the driven internal gear.
Preferably, in above-mentioned backrest lacing wire drive system, the active external gear uses the full toothing of circumference, institute
State driven internal gear and use local internal tooth arrangement.
Preferably, in above-mentioned backrest lacing wire drive system, the axle center of the driven internal gear passes through floor and institute
The gabarit for stating driven internal gear is connected, and avoids the local internal tooth arrangement.
Preferably, in above-mentioned backrest lacing wire drive system, the lacing wire hanging structure is described driven to be opened in
Lacing wire mounting groove on internal gear, the end set of the lacing wire have the lacing wire terminal closing piece being caught in the lacing wire mounting groove,
It is provided with the outer peripheral face of the driven internal gear and wraps groove for the spacing lacing wire for accommodating the lacing wire.
Preferably, in above-mentioned backrest lacing wire drive system, it is provided with the housing and wraps groove with the lacing wire
The lacing wire outlet of connection.
Preferably, two lacing wire outlets are provided with above-mentioned backrest lacing wire drive system, on the housing, two
The individual lacing wire outlet is located at the both sides of the center of rotation of the gear with the lacing wire hanging structure respectively.
Preferably, in above-mentioned backrest lacing wire drive system, the housing includes the base housing being detachably connected
And cover plate, the base housing is provided with the axis body with the driven internal gear rotation connection, and the base housing is provided with
For the mounting hole being arranged on by connector on the lateral support skeleton inside seat.
It can be seen from the above technical scheme that backrest lacing wire drive system provided by the utility model, for by waist
The top of support support spring support is articulated on backrest frames, and bottom is hanging, and through sliding support body, (support carries about by single lacing wire
Spot) half around support load formula structure.The utility model is held by single steel lacing wire from the remote backrest sponge of waist support support spring support
The side of pad is carried, with half around support load formula structure, holds up waist support support spring support and backrest sponge bearing pads.That is, waist support supporting spring
Frame holds in the palm load by lacing wire from the direction for being partial to backrest, passes through the contraction and release of lacing wire, control waist support support spring support
Relative position between backrest frames.The utility model supports spring support to realize contraction and release by single lacing wire and waist support
The function of putting, the structure of lumbar support product is simplified, reduces cost, facilitate installation.Moreover, the use of lacing wire driver is outer
The active external gear of tooth and the driven internal gear of internal tooth, using inside and outside nested principal and subordinate's Double-gear group arrangement form.Specifically may be used
By its rotational handle, active external gear is driven to rotate, because active external gear engages with driven internal gear, so that driven internal tooth
Wheel follows rotation, and lacing wire is fixed on driven internal gear, so in driven internal gear rotation process, lacing wire is released or received
Contracting, so as to drive waist support support spring support to realize local crowning or calm.The utility model uses the form of internal-external gear group, not only
Labour-saving effect is realized by gear train, can also be by way of nested so that the gear train only accounts for active external gear
Space, realize the structure type of simple structure, miniaturization, integrated form.
Brief description of the drawings
Fig. 1 is the structural representation when backrest lacing wire drive system of the utility model embodiment offer is to the rear；
Fig. 2 is the structural representation when backrest lacing wire drive system of the utility model embodiment offer is to the front；
Fig. 3 is the structural representation for the backrest lacing wire drive system that the utility model embodiment provides；
Fig. 4 is the structural representation for the backrest lacing wire drive system that another embodiment of the utility model provides；
Fig. 5 is the structural representation of another angle for the backrest lacing wire drive system that the utility model embodiment provides
Figure；
Fig. 6 is the structural representation for the sliding support body that the utility model embodiment provides；
Fig. 7 is that the structure of another angle for the backrest lacing wire drive system that another embodiment of the utility model provides is shown
It is intended to；
Fig. 8 is the explosive view for the lacing wire driver that the utility model embodiment provides；
Fig. 9 is the structural representation for the internal-external gear group that the utility model embodiment provides；
Figure 10 is the polycrystalline substance schematic diagram for the lacing wire driver that the utility model embodiment provides；
Figure 11 is the top structure schematic diagram for the lacing wire driver that the utility model embodiment provides；
Figure 12 is the side structure schematic diagram for the lacing wire driver that the utility model embodiment provides；
Figure 13 is the structural representation for the automotive seat that the utility model embodiment provides.
Wherein, 100 be lacing wire driver, and 101 be base housing, and 1011 be mounting hole, and 1012 be lacing wire outlet, 102
It is active external gear for cover plate, 103,1031 be external tooth, and 104 be driven internal gear, and 1041 be internal tooth, and 1042 be lacing wire mounting knot
Structure, 1043 be that lacing wire wraps groove, and 105 be manual actuation axle, and 106 be clamp force spring, and 107 be axis body, and 200 be waist support supporting spring
Frame, 201 be sliding support body, and 2011 is slide stopper slot, and 2012 be sliding support body body, and 2013 be sheath poling grafting
Mouthful, 202 be that clasp joint hangs body, and 203 be keeper, and 204 mounting bodies, 205 be the bar that laterally spreads out, and 2051 be mounting crozier, and 206 are
Girder post, 2061 be mounting crozier, and 300 be backrest frames after-frame, and 400 be backrest frames, and 401 be positioning and mounting structure, 500
It is lacing wire for sponge bearing pads, 600,601 be sheath poling, and 602 be lacing wire terminal closing piece, and A is that waist support supports position after spring support, B
Spring support anteposition is supported for waist support.
Embodiment
Core of the present utility model is to provide a kind of backrest lacing wire drive system, to simplify lumbar support product
Structure, cost is reduced, convenient installation, on the premise of rotating torque is reduced, the volume of lacing wire driver is reduced, to facilitate cloth
Put,.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-Fig. 8 is referred to, Fig. 1 is when the backrest lacing wire drive system of the utility model embodiment offer is to the rear
Structural representation；Fig. 2 is the structural representation when backrest lacing wire drive system of the utility model embodiment offer is to the front；
Fig. 3 is the structural representation for the backrest lacing wire drive system that the utility model embodiment provides；Fig. 4 is that the utility model is another
The structural representation for the backrest lacing wire drive system that one embodiment provides；Fig. 5 is the seat that the utility model embodiment provides
The structural representation of another angle of chair back lacing wire drive system；Fig. 6 is the sliding support that the utility model embodiment provides
The structural representation of body；Fig. 7 is another angle for the backrest lacing wire drive system that another embodiment of the utility model provides
Structural representation；Fig. 8 is the explosive view for the lacing wire driver that the utility model embodiment provides.
The backrest lacing wire drive system that the utility model embodiment provides includes waist support support spring support 200, slides branch
Support body 201, lacing wire 600, keeper 203 and lacing wire driver 100.
The top of waist support support spring support 200 is used for the backrest frames 400 for being articulated in seat so that bottom is hanging, to protect
Card can support the top of spring support 200 to swing along waist support under external force.Sliding support body 201 is arranged at waist support support spring support
On 200, and positioned at side of the waist support support spring support 200 away from backrest sponge bearing pads, slidably support to have on body 201 and slide limit
Position groove 2011.The first end of lacing wire 600 is arranged at the first sling point on backrest frames 400.Keeper 203 is arranged at backrest bone
The second sling point on frame, lacing wire 600, which passes through, slides stopper slot 2011 and keeper 203, the first sling point and the second sling point
It is located at the both sides of backrest frames 400 respectively；Lacing wire driver 100 includes housing, driven internal gear 104, the and of active external gear 103
Handle, the driven internal gear 104 is rotatablely arranged in the housing, and is provided with the lacing wire for fixing lacing wire 600
Hanging structure 1042；The active external gear 103 engages with the driven internal gear 104；The handle is used to drive the master
Dynamic external gear 103 rotates, and handle can be rod-type regulation handle or wheeled regulation handle；Second end of the lacing wire 600 is fixed
In the lacing wire hanging structure 1042.
Backrest lacing wire drive system provided by the utility model, to support waist support the top of spring support 200 to be articulated in
On backrest frames 400, bottom is hanging, and is surround by single lacing wire 600 through the half of sliding support body 201 (support carries obligatory point)
Hold in the palm load formula structure.The utility model is by single steel lacing wire, from the side of the remote backrest sponge bearing pads of waist support support spring support, with
Half, around support load formula structure, holds up waist support support spring support 200 and backrest sponge bearing pads.That is, waist support supports spring support 200 by lacing wire
600 hold in the palm load from the direction for being partial to backrest, pass through the contraction and release of lacing wire 600, control waist support support spring support 200
With the relative position between backrest frames 400.The utility model supports spring support 200 to realize receipts by single lacing wire and waist support
Contracting and the function of release, simplify the structure of lumbar support product, reduce cost, facilitate installation.
Lacing wire driver 100 is using the active external gear 103 of external tooth and the driven internal gear 104 of internal tooth, using interior outer
Principal and subordinate's Double-gear group arrangement form of set.Specifically active external gear 103 can be driven to rotate, due to master by its rotational handle
Dynamic external gear 103 engages with driven internal gear 104 so that driven internal gear 104 follows rotation, and lacing wire 600 be fixed on from
On dynamic internal gear 104, so in the driven rotation process of internal gear 104, lacing wire 600 is released or shunk, so as to drive waist support
Support spring support 200 realizes local crowning or calm.The utility model uses the form of internal-external gear group, not only real by gear train
Existing labour-saving effect, can also be by way of nested so that the gear train only accounts for the space of an active external gear, and realization finishes
Structure summary, miniaturization, the structure type of integrated form.
In the present embodiment, the positioning initiating terminal (the first sling point) of lacing wire 600, backrest of the fixed constraint in backrest
The front portion of first side fishplate bar of skeleton 400.That is, the first end of lacing wire 600 and keeper 203 is arranged at leaning on for backrest frames 400
On the position of nearly backrest seat side, as shown in Figure 4.
By the lacing wire 600 of fixed constraint since positioning initiating terminal (the first sling point), lacing wire 600 enters with half around support
Load formula structure support carries waist support support spring support 200.When lacing wire 600 surround support load formula structure support load waist support support spring support 200 with half, warp
Cross at least one support and carry obligatory point (position where sliding support body 201).Preferably support carry obligatory point should be two or
Two or more, two supports carry obligatory point, are that the first support carries obligatory point and the second support carries obligatory point respectively.In sliding support body 201
When at least two, two of which sliding support body 201 is arranged at the both sides of waist support support spring support 200.
By two slidably support body 201 exemplified by, lacing wire 600 from first sliding support body slip stopper slot 2011 at,
From the rear of waist support support spring support 200, transverse crossing backrest.Then slip of the lacing wire 600 from second sliding support body
At stopper slot 2011, from the rear of waist support support spring support 200, transverse crossing backrest.Herein, lacing wire 600 is constrained on two
In the slip stopper slot of individual sliding support body.
Lacing wire 600 from second sliding support body slip stopper slot at, into positioned at fixed constraint in backrest frames 400
The anterior keeper 203 of the second side fishplate bar.The keeper 203 constrains lacing wire 600 anterior in the second side fishplate bar, becomes drawing
Muscle 600 slidably constrains sling point (the second sling point).
It is appreciated that in the case where being constrained by the first sling point and the second sling point, lacing wire 600 is via first cunning
Dynamic supporter and second sliding support body, from the rear of waist support support spring support 200, i.e., the rear portion side of close backrest,
Spring support 200 is supported to get up towards sponge bearing pads direction support load waist support.
In the specific embodiment of the utility model one, keeper 203 is the fixed pulley (as shown in Figure 4) with lacing wire cell body
Or the bending position constraint chute (as depicted in figs. 1 and 2) with hollow bend pipe structure, lacing wire 600 coordinate with lacing wire cell body, or
Hollow bend pipe structure with bending position constraint chute coordinates.Lacing wire cell body and hollow bend pipe structure to take lacing wire 600 in,
And drawn from the line outlet of keeper 203, the lacing wire 600 being brought out, the lacing wire into lacing wire driver 100 exports.
Keeper 203 by by with certain free state it is mobilizable in a manner of, hang the backrest frames 400 in backrest
With on the second side fishplate bar of the first symmetrical position of side fishplate bar.Certain mobilizable mode of free state is hung, and can be avoided
Force bending caused by stress damage, keeper 203 can be plastics, metal, composite.
The inside exported into the lacing wire of lacing wire driver, lacing wire 600 is by the mechanical driving mechanism of lacing wire driver, progress
Shrink and discharge.Lacing wire driver, can be hand lacing wire driver or electrodynamic type lacing wire driver.
In the specific embodiment of the utility model one, waist support support spring support 200 includes girder post 206 and the bar 205 that laterally spreads out.
Wherein, there is the mounting being articulated on the positioning and mounting structure 401 of backrest frames 400 positioned at the upper end of the girder post 206 of both sides
Crozier 2061, positioning and mounting structure 401 are the cross bar of two other fishplate bars of connection backrest frames 400.It is multiple spaced apart
Laterally the bar 205 that spreads out is fixed on two girder posts 206, and the spread out both ends of bar 205 of the transverse direction positioned at top have and are articulated in backrest
Mounting crozier 2051 on the other fishplate bar of the both sides of skeleton 400.
The girder post 206 of both sides respectively constitutes the first edge and the second edge of waist support support spring support 200.Waist support supporting spring
The top of frame 200, can also be with steel wire hook hangers, the modes such as spring carrier arm, butting band are tied up, and restrained be fixed on is stablized relatively
Backrest support framework on.
The cross-sectional area of girder post 206 is more than the cross-sectional area for the bar 205 that laterally spreads out, and girder post 206 is usually rigid
Metal reinforcing bar column or strip shape body.
In the specific embodiment of the utility model one, the bar 205 that laterally spreads out mutually tied up with girder post 206 to be formed it is flexible
The spring web frame of deformable feature, the bar 205 that laterally spreads out are the wire of linear or the wire of elastic bending.
In the specific embodiment of the utility model one, sliding support body 201 is fixed using the mounting means of grafting tight fit
On girder post 206 (the first edge and the second edge), and slide the side that stopper slot 2011 is located remotely from backrest foam-rubber cushion.Position
Sliding support body 201 in the first edge, the sliding support body 201 with the second edge, using pair in the same horizontal position
Claim arrangement.
In the specific embodiment of the utility model one, lacing wire 600 can be the twisted wire of multiply.To avoid multiply from twisting
Around wire easily caused frictionally damage is slided in stopper slot in sliding support body 201, keeper respective slide.This
Utility model can use the twisted plastic line of the multiply with self-lubricating feature, such as nylon, polytetrafluoroethylene (PTFE), polyester, poly- first
Aldehyde.
In the specific embodiment of the utility model one, the shape of each sliding support body 201 can be identical, or
Different；The fixed form of each sliding support body 201 can be identical, or different.
In the specific embodiment of the utility model one, the first end of lacing wire 600 is mounted on the first hanging by mounting body 204
Point.Mount the metal bending post that body 204 can be the solid hooked shape structure of the pressure concentric with lacing wire 600, or the solid metal derby of bolt.First
Sling point is with mounting the hole of the cooperation of body 204, hanging pin or docking hook.
In the specific embodiment of the utility model one, keeper 203 hangs body 202 by clasp joint and is mounted on the second hanging
Point.Clasp joint hanging body 202 is Plastic hanger, wire peg spring, metal hang contact pin or wire crotch.Lacing wire 600 is in keeper 203
Position between the outlet of lacing wire driver 100 and between two sliding support bodies 201 of arbitrary neighborhood is arranged with sheath and worn
Pipe 601.By setting sheath poling 601 to avoid abrasion of the lacing wire 600 to the adjacent components inside narrow backrest,
Such as sponge bearing pads, rear portion leather surface cover.Sheath poling 601 can be set in lacing wire 600 by the way of the grafting of end, and
The interface of sheath poling 601 is O-shaped tubular spigot or c-type socket.
In the specific embodiment of the utility model one, girder post 206 and the bar 205 that laterally spreads out are metal plastic-coated structure.Such as
This, is favorably improved the antirust of metal structure, eliminates frictional damping abnormal sound noise, improves the stability tied up between each other.
Specifically, the quantity of lacing wire driver can be one or more than one.It is corresponding with lacing wire driver
Lacing wire 600, can be one or more than one.The use that lacing wire 600 corresponding to multiple lacing wire drivers is combined, can
To realize that the different waist support of backrest carries the regulation of position, there is comprehensive seat regulatory function.
It is understood that lacing wire driver may be mounted on waist support support spring support, it is partial to backrest rear portion surface cover
Direction.It can also be arranged on the backrest frames inside seat.Lacing wire driver, in addition to adapting to waist support support spring support, may be used also
To be adapted to the board-like waist support of plastics, spring lacing bar type waist support isosceles support support spring support.
Fig. 8-Figure 13 is referred to, Fig. 8 is the explosive view for the lacing wire driver that the utility model embodiment provides；Fig. 9 is this
The structural representation for the internal-external gear group that utility model embodiment provides；Figure 10 is that the lacing wire that the utility model embodiment provides is driven
The polycrystalline substance schematic diagram of dynamic device；Figure 11 is the top structure schematic diagram for the lacing wire driver that the utility model embodiment provides；
Figure 12 is the side structure schematic diagram for the lacing wire driver that the utility model embodiment provides；Figure 13 is the utility model embodiment
The structural representation of the automotive seat of offer.
In the specific embodiment of the utility model one, lacing wire driver 100 of the present utility model may also include outer with active
The coaxially connected manual actuation axle 105 of gear 103, handle are connected with manual actuation axle 105.It can be set on manual actuation axle 105
External tooth, the internal tooth of external tooth occlusion is arranged on handle, so as to realize the connection of handle and manual actuation axle 105.
Specifically, one end of manual actuation axle 105 is the connection end being connected with handle, and the other end, which has, mentions structure, main
The end of mentioning of structure clamping is provided with and mentioned on dynamic external gear 103, is stretched in housing outside connection end, is mentioned structure and be located at housing
It is interior.One end insertion manual actuation axle 105 of active external gear 103 has the one end for mentioning structure；Structure is mentioned to be opened in hand
Gap in dynamic drive shaft 105, it is the projection coordinated with gap to mention end.Active external gear 103 is being inserted into manual actuation axle
It is raised just to insert in gap after in 105, in rotation manual drive shaft 105, the raised spacing work of circumference with gap can be passed through
With drive active external gear 103 rotates.
In the specific embodiment of the utility model one, lacing wire driver 100, which may also include, to be sheathed on manual actuation axle 105
Clamp force spring 106.The both ends of clamp force spring 106 are positioned on manual actuation axle 105, and one end of clamp force spring 106 with
Active external gear 103 is connected, and when active external gear 103 stirs clamp force spring 106, the expansion of clamp force spring 106 and and housing
Friction.When needing to adjust waist support support spring support 200, drive manual actuation axle 105 to rotate by handle 109, be set in manually
The clamp force spring 106 of drive shaft 105 follows rotation, and is connected by one end of clamp force spring 106 with active external gear 103 so that
Clamp force spring 106, which is tightened up, to attenuate, while active external gear 103 follows rotation, then drives driven internal gear 104 to rotate.In people
During body extruding waist support support spring support 200, extruding force can support spring support 20020 to pass to driven internal gear 104 by waist support, then
Driven internal gear 104 is driven to rotate, driven internal gear 104 can drive active external gear 103 to rotate, and active external gear 103 rotates
When can stir clamp force spring 106 so that clamp force spring 106 expands thicker, and forms manual drawing with housing friction, this frictional force
The self-lock force of muscle driver so that waist support can not be extruded by human body and support spring support 200 so that waist support support spring support 200 changes
Position.
In the specific embodiment of the utility model one, the external tooth profile radius size of active external gear 103 is less than or equal to
The half of the 104 wide radius of driven internal gear of driven internal gear 104.Active external gear 103 uses the full toothing of circumference, from
Dynamic internal gear 104 uses local internal tooth arrangement.During operation, axle center of the active external gear 103 inside driven internal gear 104 with from
Run in the range of row traces between dynamic internal gear 104.And by the axle center inside driven internal gear 104 and driven internal gear 104
Between row traces scope, there is provided stroke limit.That is, the physical arrangement of row traces scope stops, limits the fortune of row traces
Row length range.It is appreciated that the running length (zone length of local internal tooth arrangement) of the row traces, determines stretching for lacing wire
Contracting length.The collapsing length of lacing wire, determine the waist support for drawing backrest inner support backrest sponge bearing pads tightens height, realizes
The regulation of backrest seat difference bump height.
In the specific embodiment of the utility model one, the axle center of driven internal gear 104 passes through floor and driven internal gear 104
Gabarit be connected, and avoid local internal tooth arrangement.The axle center of i.e. driven internal gear 104 and the connection of gear gabarit, avoid from
The internal tooth of dynamic internal gear 104 using axle center to gear gabarit with after the running space of the row traces of active external gear 103, being extended and being connected
Frame mode form.
In the specific embodiment of the utility model one, lacing wire hanging structure 1042 is to be opened on driven internal gear 104
Lacing wire mounts groove 1042, and the end set of lacing wire 600 has the lacing wire terminal closing piece 602 being caught in lacing wire mounting groove, driven internal tooth
It is provided with the outer peripheral face of wheel 104 and wraps groove 1043 for the lacing wire of spacing receiving lacing wire 600.Housing (is specially base housing
101) the lacing wire outlet 1012 connected with lacing wire wrapping groove 1043 is provided with.Lacing wire 600 is drawn from the lacing wire of base housing 101
The export of outlet 1012, is connected with the outside Yao Tuo executing agencies of outside.Settable two lacing wire outlets 1012 on housing, two
Individual lacing wire outlet 1012 is located at the both sides of the center of rotation of the gear with lacing wire hanging structure 1042 respectively.Preferably, two
The axial connecting line of central point of the individual lacing wire outlet 1012 along local internal tooth arrangement and driven internal gear 104 is arranged symmetrically.
Lacing wire driver 100 can draw lacing wire 600 with a lacing wire outlet 1012 wherein, work as thus, it is possible to realize
When the left-side seat of vehicle uses manual lacing wire driver 100, it is only necessary to which the waist support outside drawing is supported to the lacing wire of spring support 200
600, it is arranged on the first lacing wire outlet (one of lacing wire outlet) extraction；When the right-side seat of vehicle uses manual lacing wire
During driver 100, it is only necessary to the waist support outside drawing is supported to the lacing wire 600 of spring support 200, is arranged on the second lacing wire outlet
(another lacing wire outlet) is drawn.It is this to draw lacing wire from the first lacing wire port of export, again can be with the second lacing wire
Outlet draws the manual lacing wire driver of lacing wire, has the characteristics of structural compatibility is good so that same manual lacing wire driving
Device, only convert lacing wire 600 and drawn from different lacing wire outlets 1012, you can realize the use of left-side seat and right-side seat
Demand.
In the specific embodiment of the utility model one, waist support support spring support 200 can be steel wire wire type waist support, plastic plate
Formula waist support, spring lacing bar type waist support or stretching rope type waist support.
Housing may include the base housing 101 being detachably connected and cover plate 102, base housing 101 be provided with it is driven interior
The axis body 107 that gear 104 is rotatablely connected, and base housing 101 is provided with the side for being arranged on by connector inside seat
Mounting hole 1011 on the support frame of face.Two lacing wire outlets 1012 are arranged on base housing 101.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (14)
- A kind of 1. backrest lacing wire drive system, it is characterised in that including：Waist support support spring support (200), the top of the waist support support spring support (200) are used for the backrest frames for being articulated in seat (400) on；It is arranged on the waist support support spring support (200), and positioned at waist support support spring support (200) away from the carrying of backrest sponge The sliding support body (201) of the side of pad, described slidably support have slip stopper slot (2011) on body (201)；Lacing wire (600), first end are arranged at the first sling point on the backrest frames (400)；Keeper (203), the second sling point being arranged on the backrest frames, the lacing wire (600), which passes through, slides stopper slot (2011) and the keeper (203), first sling point and the second sling point are located at the backrest frames (400) respectively Both sides；Lacing wire driver (100), the lacing wire driver (100) include housing, driven internal gear (104), active external gear (103) it is rotatablely arranged in the housing, and is provided with for fixing lacing wire with handle, the driven internal gear (104) (600) lacing wire hanging structure (1042)；The active external gear (103) is engaged with the driven internal gear (104)；The hand Handle is used to drive the active external gear (103) to rotate；The lacing wire hanging structure is fixed at second end of the lacing wire (600) (1042)。
- 2. backrest lacing wire drive system according to claim 1, it is characterised in that the first of the lacing wire (600) End and the keeper (203) are arranged on the position of close backrest seat side of the backrest frames.
- 3. backrest lacing wire drive system according to claim 1, it is characterised in that the sliding support body (201) At least two, and the both sides that body (201) is arranged at the waist support support spring support (200) are slidably supported described in two of which；Being shaped as each sliding support body (201) is same or different；Each sliding support body (201) is consolidated It is same or different to determine mode.
- 4. backrest lacing wire drive system according to claim 1, it is characterised in that the keeper (203) is tool There are the fixed pulley of lacing wire cell body or the bending position constraint chute with hollow bend pipe structure, the lacing wire (600) and the drawing Muscle cell body coordinates, or coordinates with the hollow bend pipe structure of the bending position constraint chute；The mobilizable hanging of keeper (203) is on second sling point.
- 5. backrest lacing wire drive system according to claim 1, it is characterised in that the waist support supports spring support (200) include：Girder post (206) positioned at both sides, the upper end of the girder post (206), which has, is articulated in the backrest frames (400) Mounting crozier (2061) on positioning and mounting structure (401)；The multiple spaced apart transverse directions being fixed on two girder posts (206) are spread out bar (205), and positioned at the transverse direction at top The spread out both ends of bar (205) have and are articulated in mounting crozier (2051) on the other fishplate bar of the backrest frames (400) both sides；Institute The cross-sectional area for stating girder post (206) is more than the transverse direction and spread out the cross-sectional areas of bar (205)；The transverse direction is spread out bar (205) The spring web frame to form flexible deformable feature is mutually tied up with the girder post (206)；The sliding support body (201) It is fixed on using the mounting means of grafting tight fit on the girder post (206), and the slip stopper slot (2011) is positioned at remote From the side of backrest foam-rubber cushion.
- 6. backrest lacing wire drive system according to claim 1, it is characterised in that the main body of the lacing wire (600) For the twisted wire of multiply or the plastic line with self-lubricating feature, the material of the plastic line is nylon, polytetrafluoroethylene (PTFE), Polyester or polyformaldehyde.
- 7. backrest lacing wire drive system according to claim 1, it is characterised in that lacing wire (600) first end First sling point is mounted on by mounting body (204), first sling point is the hole coordinated with the mounting body (204) Hole, hanging pin or docking hook.
- 8. backrest lacing wire drive system according to claim 1, it is characterised in that the keeper (203) passes through Clasp joint hanging body (202) is mounted on second sling point, and the clasp joint hanging body (202) is Plastic hanger, wire peg spring, gold Category hangs contact pin or wire crotch；The lacing wire (600) is between the outlet of the keeper (203) and the lacing wire driver (100) and arbitrary neighborhood Position between two sliding support bodies (201) is arranged with sheath poling (601), and the sheath poling (601) uses end The mode of portion's grafting is set in the lacing wire (600), and the interface of the sheath poling (601) is O-shaped tubular spigot or C Type socket.
- 9. the backrest lacing wire drive system according to claim any one of 1-8, it is characterised in that the lacing wire driving Device (100) also includes the manual actuation axle (105) coaxially connected with the active external gear (103), the handle and the hand Dynamic drive shaft (105) connection；One end of the manual actuation axle (105) is the connection end being connected with the handle, and the other end, which has, mentions structure, described Be provided with active external gear (103) with the end of mentioning for mentioning structure clamping, the housing, institute are stretched in outside the connection end State and mention structure and be located in the housing；The manual actuation axle (105) is inserted in one end of the active external gear (103) has the one end for mentioning structure；The structure of mentioning is the gap being opened on the manual actuation axle (105), described to mention end to match somebody with somebody with the gap The projection of conjunction.
- 10. backrest lacing wire drive system according to claim 9, it is characterised in that the lacing wire driver (100) Also include the clamp force spring (106) being sheathed on the manual actuation axle (105), the both ends of the clamp force spring (106) are fixed On the manual actuation axle (105), and one end of the clamp force spring (106) is connected with the active external gear (103), And when the active external gear (103) stirs clamp force spring (106), the clamp force spring (106) expansion and with it is described Housing friction.
- 11. the backrest lacing wire drive system according to claim any one of 1-8, it is characterised in that outside the active The external tooth profile radius size of gear (103) is less than or equal to two points of the internal tooth profile radius of the driven internal gear (104) One of；The active external gear (103) uses the full toothing of circumference, and the driven internal gear (104) uses local internal tooth arrangement；The axle center of the driven internal gear (104) is connected by floor with the gabarit of the driven internal gear (104), and avoids institute State local internal tooth arrangement.
- 12. the backrest lacing wire drive system according to claim any one of 1-8, it is characterised in that the lacing wire is hung Binding structure (1042) is that the lacing wire being opened on the driven internal gear (104) mounts groove, the end set of the lacing wire (600) There is the lacing wire terminal closing piece (602) being caught in the lacing wire mounting groove, be provided with the outer peripheral face of the driven internal gear (104) For the spacing lacing wire wrapping groove (1043) for accommodating the lacing wire (600), it is provided with the housing and wraps groove with the lacing wire (1043) the lacing wire outlet (1012) of connection.
- 13. the backrest lacing wire drive system according to claim any one of 1-8, it is characterised in that on the housing Two lacing wire outlets (1012) are provided with, two lacing wire outlets (1012) are located at respectively has lacing wire mounting knot The both sides of the center of rotation of the gear of structure (1042).
- 14. backrest lacing wire drive system according to claim 1, it is characterised in that the housing includes detachable The base housing (101) and cover plate (102) of connection, the base housing (101) is provided with to be turned with the driven internal gear (104) The axis body (107) of dynamic connection, and the base housing (101) is provided with the side for being arranged on by connector inside seat Mounting hole (1011) on support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720796033.0U CN206938536U (en) | 2017-07-04 | 2017-07-04 | A kind of backrest lacing wire drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720796033.0U CN206938536U (en) | 2017-07-04 | 2017-07-04 | A kind of backrest lacing wire drive system |
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| Publication Number | Publication Date |
|---|---|
| CN206938536U true CN206938536U (en) | 2018-01-30 |
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| CN201720796033.0U Active CN206938536U (en) | 2017-07-04 | 2017-07-04 | A kind of backrest lacing wire drive system |
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| CN (1) | CN206938536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234994A (en) * | 2017-07-04 | 2017-10-10 | 上海安闻汽车电子有限公司 | A kind of backrest lacing wire drive system |
-
2017
- 2017-07-04 CN CN201720796033.0U patent/CN206938536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234994A (en) * | 2017-07-04 | 2017-10-10 | 上海安闻汽车电子有限公司 | A kind of backrest lacing wire drive system |
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