CN105083081A - Seat head rest, seat and automobile - Google Patents
Seat head rest, seat and automobile Download PDFInfo
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- CN105083081A CN105083081A CN201510415606.6A CN201510415606A CN105083081A CN 105083081 A CN105083081 A CN 105083081A CN 201510415606 A CN201510415606 A CN 201510415606A CN 105083081 A CN105083081 A CN 105083081A
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- gear assembly
- headrest
- fixedly connected
- fixed bearing
- chair
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- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000003534 oscillatory effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
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Abstract
The invention discloses a seat head rest, a seat and an automobile. The seat head rest comprises a fixed support and a head rest support. The head rest support is connected to the fixed support in a manner of being capable of rotating front and back relative to the fixed support, and is limited at the target position of a front-and-back rotating path in a gear meshing manner. According to the seat head rest, the angle can be adjusted in a front-and-back large-range manner, gear meshing is utilized for limiting, and the reliability is high.
Description
Technical field
The present invention relates to automobile technical field, particularly relate to a kind of chair headrest, seat and automobile.
Background technology
Along with automobile enters into most of family, the driver comfort of automobile and safety have become one of major issue of people's concern, the allocation problem of such as chair headrest.At present, chair headrest in the longitudinal direction majority be fixing.And if the distance between the head of occupant and chair headrest is designed to unreasonable, the cervical vertebra of occupant will can not get actv. and support, and ride in an automobile for a long time and can feel that neck fatigue is ached.Chair headrest, while providing comfort for driver and crew, when there is traffic accident (such as knocking into the back), can provide support for member, reducing the impulsive force to cervical vertebra, protecting the neck safety of driver and crew better.
The most fore-and-aft direction of current chair headrest all can not regulate, and can carry out the chair headrest that regulates, but this setting range is still comparatively limited, according to the stature of occupant and cannot take the adjustment that custom does front and back position even if start to engender at fore-and-aft direction.In addition, when collision impact, the limit function of end position is unreliable.
Therefore, wish a kind of technical scheme to overcome or at least alleviate at least one above-mentioned defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of chair headrest to overcome or at least alleviate at least one the above-mentioned defect in prior art.
For achieving the above object, the invention provides a kind of chair headrest, this chair headrest comprises fixed bearing and headrest support, wherein: described headrest support can be connected to described fixed bearing relative to the mode of rotating before and after described fixed bearing, and passes through the spacing target location on the rotation path of front and back of mode of gears meshing.
Further, gap is had in a circumferential direction between the intermeshing teeth of described gear.
Further, described chair headrest also comprises pre-tightening apparatus, and described pre-tightening apparatus is arranged between described fixed bearing and described headrest support, for providing the predetermincd tension described headrest support being pressed to vertically described fixed bearing.
Further, described fixed bearing comprises the first gear assembly, and described headrest support comprises the second gear assembly, and described first gear assembly can relatively rotate with described second gear assembly and engage spacing in described target location.
Further, described chair headrest also comprises rotating assembly, described rotating assembly is arranged along the Width of described seat, and connects described fixed bearing and described headrest support, can rotate for making described headrest support (2) relative to before and after described fixed bearing.
Further, described rotating assembly comprises axle sleeve and rotating shaft, and wherein: described axle sleeve is fixedly connected with described fixed bearing, described rotating shaft is through described axle sleeve and two ends are all fixedly attached to described headrest support.
Further, described pre-tightening apparatus comprises spring, and described spring housing is located at outside at least one end of described axle sleeve, for providing the elastic force described second gear assembly being pressed to vertically described first gear assembly.
Further, described fixed bearing also comprises along described Width longitudinal rod arranged apart, described first gear assembly is fixedly connected on the described longitudinal rod of side, and active flank is longitudinally arranged outwardly, one end of described axle sleeve is fixedly connected with described first gear assembly, and the other end is fixedly connected with the described longitudinal rod of opposite side; Described headrest support also comprises framework, described framework has the first foot and second foot in the outside being arranged in longitudinal rod described in two, described second gear assembly is fixedly connected with described first foot, and active flank is longitudinally arranged inwardly, one end of described rotating shaft is fixedly connected with described second foot, and the other end is fixedly connected with described second gear assembly.
Further, described longitudinal rod and described second foot of described opposite side all offer spacing hole, and the two ends of described spring are respectively charged in spacing hole described in two, with in the circumferential for described headrest support provides elastic force forward.
Further, described rotating assembly comprises axle sleeve and rotating shaft, and wherein: described axle sleeve is fixedly connected with described headrest support, described rotating shaft is through described axle sleeve and two ends are all fixedly attached to described fixed bearing.
Further, described pre-tightening apparatus comprises spring, and described spring housing is located at outside at least one end of described axle sleeve, for providing the elastic force described second gear assembly being pressed to vertically described first gear assembly.
Further, described fixed bearing also comprises along described Width longitudinal rod arranged apart, described first gear assembly is fixedly connected on the described longitudinal rod of side, and active flank is longitudinally arranged inwardly, one end of described rotating shaft is fixedly connected with described first gear assembly, the other end is fixedly connected with the described longitudinal rod of opposite side, for removably connecting between the described other end of described rotating shaft and the described longitudinal rod of opposite side; Described headrest support also comprises framework, described framework has and is arranged in the first foot described in two between longitudinal rod and the second foot, described second gear assembly is fixedly connected with described first foot, and active flank is longitudinally arranged outwardly, one end of described axle sleeve is fixedly connected with described second foot, and the other end is fixedly connected with described second gear assembly.
Further, described second gear assembly comprises sleeve body and end cap, and wherein: described sleeve body two ends are penetrating, and outer face is described active flank, and inner end surface is fixedly connected with described end cap, and described end cap is fixedly connected on outside described axle sleeve; Described spring is arranged in described sleeve body, for providing the elastic force described sleeve body being outwards pressed to described first gear assembly.
A kind of seat, it comprises chair headrest and seat back-rest framework, and described chair headrest is fixedly installed on seat back-rest framework for the chair headrest described in the various embodiments described above, the fixed bearing in described chair headrest.
A kind of automobile, it comprises automotive seat, and described automotive seat are the seat described in the various embodiments described above.
Apply technical scheme of the present invention, because headrest support is can be connected to fixed bearing relative to the mode of rotating before and after fixed bearing, and pass through the spacing target location on the rotation path of front and back of mode of gears meshing, therefore when needing the front and back position adjusting chair headrest, only need relative to fixed bearing rotary head pillow rack, such headrest support almost can adjust in the angular range of 0 ° to 180 ° relative to fixed bearing, the angular amplitude adjusted before and after chair headrest is larger, therefore occupant according to the stature of self and can take the adjustment that custom does front and back position completely, actv. support can be obtained to be adjusted to cervical vertebra.Further, utilize the mode of gears meshing can realize comparatively stably spacing in any one angle of this scope, reliability is high, when having an accident, can protect the neck safety of occupant better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the chair headrest of the present invention first preferred implementation;
Fig. 2 is the structural representation of the chair headrest in Fig. 1;
Fig. 3 is the enlarged diagram in M portion in Fig. 2;
Fig. 4 is the enlarged diagram in N portion in Fig. 2;
Fig. 5 is the structural representation of the swinging strut in Fig. 1;
Fig. 6 is the support bracket fastened structural representation in Fig. 1;
Fig. 7 is the structural representation of the chair headrest of the present invention second preferred implementation;
Fig. 8 is the engagement schematic diagram of the first gear assembly in Fig. 7 and the second gear assembly;
Fig. 9 is the schematic diagram in gap in the circumferential between intermeshing teeth in Fig. 7;
Figure 10 is the structural representation of the fixed bearing in Fig. 7;
Figure 11 is the structural representation of the swinging strut in Fig. 7;
Figure 12 is the coupled condition schematic diagram of spring in Fig. 7 and the first gear assembly;
Figure 13 is the coupled condition schematic diagram of spring in Fig. 7 and the second gear assembly.
Reference numeral:
| A | Chair headrest | 1 | Fixed bearing |
| 2 | Headrest support | 3 | Rotating assembly |
| 4 | Spring | 5 | Spacing hole |
| 6 | Key bar | 11 | First gear assembly |
| 12 | Longitudinal rod | 21 | Second gear assembly |
| 22 | Framework | 31 | Axle sleeve |
| 32 | Rotating shaft | 22a | First foot |
| 22b | Second foot | L | Gap |
| 211 | Sleeve body | 212 | Spring |
| 213 | End cap | 214 | Mounting groove |
| 215 | Journal stirrup | 216 | Limiting stopper |
| 217 | Bolt hole | 218 | Axial groove |
| M | Bolt component |
Detailed description of the invention
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
Two preferred implementations will be provided below to be described in detail to chair headrest provided by the present invention.
First embodiment:
As depicted in figs. 1 and 2, the chair headrest in the present embodiment comprises fixed bearing 1 and headrest support 2, wherein: fixed bearing 1 is for being fixedly installed to seat back-rest framework (not shown).Headrest support 2 is for installing seat headrest bolster A, and therefore chair headrest pad A can move together in company with headrest support 2.Headrest support 2 can be connected to described fixed bearing 1 relative to the mode of rotating before and after fixed bearing 1, and passes through the spacing target location on the rotation path of front and back of mode of gears meshing.
Because headrest support 2 is can be connected to fixed bearing 1 relative to the mode of rotating before and after fixed bearing 1, and pass through the spacing target location on the rotation path of front and back of mode of gears meshing, therefore when needing the front and back position adjusting chair headrest, only need relative to fixed bearing 1 rotary head pillow rack 2, such headrest support 2 almost can adjust in the angular range of 0 ° to 180 ° relative to fixed bearing 1, the angular amplitude adjusted before and after chair headrest is larger, therefore occupant according to the stature of self and can take the adjustment that custom does front and back position completely, actv. support can be obtained to be adjusted to cervical vertebra.Further, utilize the mode of gears meshing can realize comparatively stably spacing in any one angle of this scope, reliability is high, when having an accident, can protect the neck safety of occupant better.
As shown in Figures 2 and 3, in said structure, fixed bearing 1 comprises the first gear assembly 11, headrest support 2 comprises the second gear assembly 21, first gear assembly 11 can relatively rotate with the second gear assembly 21 and engage spacing in described target location, thus by spacing for headrest support 2 target location on the rotation path of front and back.During use, can rotary head pillow rack 2, turning to angle on target, namely after adjusting, be meshed with the first gear assembly 11 by the second gear assembly 21, realize the spacing of fixed bearing 1 pair of headrest support 2, thus realize the spacing of chair headrest, this limit method is reliable, is conducive to the stability being subject to chair headrest in knockout process at vehicle.
As shown in Figure 3, gap is had in a circumferential direction between the intermeshing teeth of described gear.Particularly: engage each other between the teeth of the first gear assembly 11 and the teeth of the second gear assembly 21 and have gap L in the circumferential, the fixed teeth of first gear assembly 11 that is namely meshed and the rotary teeth of the second gear assembly 21 have gap L in circumference.By this gap L, after adjusting before and after chair headrest, still can carry out slight oscillatory at fore-and-aft direction, make chair headrest have certain elastic buffer effect.The numerical values recited of this gap L swings demand when production and processing first gear assembly 11 and the second gear assembly 21 according to reality and selects, and is generally empirical value.
Chair headrest in the present embodiment also comprises pre-tightening apparatus, and described pre-tightening apparatus is arranged between fixed bearing 1 and headrest support 2, for providing the predetermincd tension the second gear assembly 21 being pressed to vertically the first gear assembly 11.By the predetermincd tension that described pre-tightening apparatus provides, the first gear assembly 11 can be pressed to vertically the active flank of the second gear assembly 21, and ensure can not throw off between engagement teeth.
Preferably, as shown in Figure 1, described pre-tightening apparatus comprises spring 4, spring 4 and the first gear assembly 11 be meshed and the second gear assembly 21 are arranged in the both sides of described chair headrest, for providing the elastic force the second gear assembly 21 being pressed to vertically described first gear assembly 11 along the Width of seat.
As shown in Figure 1, headrest support 2 can be accomplished in several ways and carry out front and back rotation relative to fixed bearing 1, such as, in one embodiment, chair headrest also comprises rotating assembly 3, rotating assembly 3 is arranged along the Width of seat, and is connected and fixed bearing 1 and headrest support 2, can rotate for making headrest support 2 relative to before and after fixed bearing 1.That is, chair headrest can be turned over to direction backwards from direction forward along the Width of seat to the bearing surface that driver and crew's head provides support.Certainly, also front and back rotation can be carried out by adopting other rotational structure well known in the art to realize headrest support 2 relative to fixed bearing 1.
As a kind of preferred implementation of rotating assembly 3, rotating assembly 3 comprises axle sleeve 31 and rotating shaft 32, and wherein: axle sleeve 31 is fixedly connected with fixed bearing 1, rotating shaft 32 is through axle sleeve 31 and two ends are all fixedly attached to headrest support 2.Like this, rotating shaft 32, relative to the rotation of axle sleeve 31, just can drive headrest support 2 to rotate relative to fixed bearing 1.Significantly, by this implementation, headrest support 2 can be realized overturn within the scope of 180 ° at 0 ° relative to fixed bearing, that is, the bearing surface of chair headrest can be turned over to towards the direction after just from towards the direction before just along the Width of seat by said structure, and setting range is large.And the fit system of axle sleeve 31 and rotating shaft 32, the rotation fixing of headrest support 2 can also be improved.
In said structure, described pre-tightening apparatus comprises spring 4, and spring 4 is set in outside at least one end of axle sleeve 31, for providing the elastic force the second gear assembly 21 being pressed to vertically the first gear assembly 11.By the elastic force that spring 4 provides, the first gear assembly 11 can be pressed to the active flank of the second gear assembly 21 inwardly, and ensure can not throw off between engagement teeth.Preferably, as shown in Figure 1, the first gear assembly 11 be meshed and the second gear assembly 21 integrally structure and spring 4 are arranged in the both sides of described chair headrest along the Width of seat.
As shown in figures 1 to 6, fixed bearing 1 also comprises along described Width longitudinal rod 12 arranged apart, and longitudinal rod 12 can be height regulating rod, for regulating swinging strut 2 relative to the height of seat back-rest framework.First gear assembly 11 is fixedly connected on the longitudinal rod 12 in side (left side in Fig. 1), and active flank is longitudinally arranged outwardly, one end 31a of axle sleeve 31 is fixedly connected with the first gear assembly 11, and the other end 31b of axle sleeve 31 is fixedly connected with the longitudinal rod 12 of opposite side (right side in Fig. 1).
As shown in Figure 1 and Figure 5, the headrest support 2 in present embodiment also comprises framework 22, and framework 22 is for providing larger Area of bearing to the back side of chair headrest pad A.Framework 22 has the first foot 22a and the second foot 22b, and the first foot 22a and the second foot 22b is arranged in the outside of two longitudinal rods 12.Second gear assembly 21 is fixedly connected with the first foot 22a, and active flank is longitudinally arranged inwardly, is just in time oppositely arranged with the first gear assembly 11.One end of rotating shaft 32 is fixedly connected with the second foot 22b, and the other end of rotating shaft 32 is fixedly connected with the second gear assembly 21.
Preferably, framework 22 and rotating shaft 32 are formed as up-small and down-big ladder-shaped frame structure jointly.This version meets the requirement of the neck application force that chair headrest pad A is subject to, and this structure also has the advantage that manufacturing process is simple, be easy to manufacture.
Again consult Fig. 1 and Fig. 4, spring 4 in chair headrest in present embodiment is set in outside the axle sleeve 32 that stretches out from the outside of the longitudinal rod 12 of described opposite side (right side Fig. 1), and be arranged between the longitudinal rod 12 of described opposite side (right side of Fig. 1) and the second foot 22b, for providing the elastic force the second gear assembly 21 being inwardly pressed to the first gear assembly 11.As seen from Figure 1, the elastic force that spring 4 provides is the power outwards stretched.During installation, by one end relative with the second gear assembly 21 in rotating shaft 32 from axle sleeve 31, pass the central through hole of the first gear assembly 11 and the second gear assembly 21 successively, then the end of rotating shaft 32 is fixedly connected with the second gear assembly 21.By the elastic force that spring 4 provides, the first gear assembly 11 can be pressed to the active flank of the second gear assembly 21 inwardly, and ensure can not throw off between engagement teeth.
In above-described embodiment, the longitudinal rod 12 of described opposite side (right side in Fig. 1) and the second foot 22b all offer spacing hole 5, and spacing hole 5 offers along the Width of seat.The two ends of spring 4 are respectively charged in two spacing holes 5, with in the circumferential for headrest support 2 provides elastic force forward.Thus after the second gear assembly 21 is engaged with the first gear assembly 11, the rotary teeth of the second gear assembly 21 is fitted in forward in the fixed teeth of the first gear assembly 11, namely ensure that chair headrest initial position is in position to the front, when occupant's head firmly leans against on headrest, headrest can slight oscillatory backward, has certain elastic buffer effect.
In the structure shown here, chair headrest in present embodiment also comprises key bar 6, key bar 6 embeds and is arranged in key bar mounting hole (not shown) that rotating shaft 32 offers vertically, the part that key bar 6 protrudes from rotating shaft 32 is contained in the embedded groove (not shown) of swing pinion 21, rotates in a circumferential direction relative to rotating shaft 32 for preventing swing pinion 21 along it.
Headrest is contained on back of seat, only needs to stir forward gently to rest the head on, also can push to the right headrest and rotate forward when needing to adjust forward headrest; When needing to adjust headrest backward, because there is oblique gear mechanism, first headrest must be pushed to the right, two side gears are no longer engaged, headrest could be rotated backward, rotate headrest to target angular position, decontroling hand allows headrest axially playback under spring tension effect, and engaging tooth occlusion is spacing.
During to the position of front or rear adjustment chair headrest, push () swinging strut 2 from the side in Fig. 1 left, after second gear assembly 21 and the first gear assembly 11 are axially thrown off, rotate forward swinging strut 2 to target angular position, decontrol hand by swinging strut 2 axially playback under the effect of spring 4 elastic force to the right, second gear assembly 21 and the first gear assembly 11 are engaged spacing, complete to front or rear adjustment.
Second embodiment:
This embodiment and the first embodiment are mainly distinguished to some extent in the implementation of rotating assembly 3, described pre-tightening apparatus, the first gear assembly 11 and the second gear assembly 21, specific as follows:
As shown in Fig. 7 to Figure 11, as the another kind of preferred implementation of rotating assembly 3, rotating assembly 3 comprises axle sleeve 31 and rotating shaft 32, and wherein: axle sleeve 31 is fixedly connected with headrest support 2, rotating shaft 32 is through axle sleeve 31 and two ends are all fixedly attached to fixed bearing 1.Like this, axle sleeve 31, relative to the rotation of rotating shaft 32, just can drive headrest support 2 to rotate relative to fixed bearing 1.Significantly, by this implementation, headrest support 2 can be realized overturn within the scope of 180 ° at 0 ° relative to fixed bearing, that is, the bearing surface of chair headrest can be turned over to towards the direction after just from towards the direction before just along the Width of seat by said structure, and setting range is large.And the fit system of axle sleeve 31 and rotating shaft 32, the rotation fixing of headrest support 2 can also be improved.
In said structure, described pre-tightening apparatus comprises spring 212, and spring 212 is set in outside at least one end of axle sleeve 31, for providing the elastic force the second gear assembly 21 being pressed to vertically the first gear assembly 11.By the elastic force that spring 212 provides, the first gear assembly 11 can be pressed to the active flank of the second gear assembly 21 inwardly, and ensure can not throw off between engagement teeth.Preferably, as shown in Figure 1, the first gear assembly 11 be meshed and the second gear assembly 21 integrally structure and spring 212 are arranged in the same side of described chair headrest along the Width of seat.As illustrated in fig. 7 and fig. 10, fixed bearing 1 also comprises along described Width longitudinal rod 12 arranged apart, and longitudinal rod 12 can be height regulating rod, for regulating swinging strut 2 relative to the height of seat back-rest framework.First gear assembly 11 is fixedly connected on the longitudinal rod 12 in side (left side in Fig. 7), and active flank is longitudinally arranged inwardly, one end of rotating shaft 32 is fixedly connected with the first gear assembly 11, and the other end of rotating shaft 32 is fixedly connected with the longitudinal rod 12 of opposite side (right side in Fig. 7).Preferably, for removably connecting between the longitudinal rod 12 of the described other end of rotating shaft 32 and opposite side (right side in Fig. 7), such as adopting the components such as bolt to connect, its object is to the installation facilitating headrest support 2.
As seen in figs. 7 and 11, the headrest support 2 in present embodiment also comprises framework 22, and framework 22 is for providing larger Area of bearing to the back side of chair headrest pad A.Framework 22 has the first foot 22a and the second foot 22b, and is arranged between two longitudinal rods 12.Second gear assembly 21 is fixedly connected with the first foot 22a, and active flank is longitudinally arranged outwardly, is just in time oppositely arranged with the first gear assembly 11.One end of axle sleeve 31 is fixedly connected with the second foot 22b, and the other end of axle sleeve 31 is fixedly connected with the second gear assembly 21.Certainly, also for removably connecting between the other end of axle sleeve 31 and the second gear assembly 21, such as adopt bolt component M to connect.
Preferably, framework 22 and axle sleeve 31 are formed as up-small and down-big ladder-shaped frame structure jointly.This version meets the requirement of the neck application force that chair headrest pad A is subject to, and this structure also has the advantage that manufacturing process is simple, be easy to manufacture.
Again consult Fig. 7, the second gear assembly 21 comprises sleeve body 211 and end cap 213, and wherein: sleeve body 211 two ends are penetrating, and outer face is described active flank, and inner end surface is fixedly connected with end cap 213, and end cap 213 is fixedly connected on outside axle sleeve 31.Spring 212 is arranged in sleeve body 211, for providing elastic force sleeve body 211 being outwards pressed to the first gear assembly 11.As seen from Figure 1, the elastic force that spring 212 provides is the power of inwardly shrinking.During installation, first, one end relative with the first gear assembly 11 in rotating shaft 32 is penetrated in axle sleeve 31, until touch the medial surface of the longitudinal rod 12 on right side in Fig. 1; Bolt component is adopted to be linked together by the longitudinal rod 12 of rotating shaft 32 with right side again; Then, the components such as bolt are adopted by end cap 213 to be connected in the bolt hole 217 of sleeve body 211 end face also fixing.By the elastic force that spring 212 provides, the first gear assembly 11 can be pressed to the active flank of sleeve body 211 outwardly, and ensure can not throw off between engagement teeth.
One end of spring 212 is connected to the first gear assembly 11 along described Width in the mode of hook, and the other end is fixedly attached to one end relative with its active flank in sleeve body 211, with in the circumferential for sleeve body 211 provides elastic force forward.Thus, spring 212 can carry out spacing in its circumferential direction, but also can provide elastic force forward for sleeve body 211.Thus after sleeve body 211 is engaged with the first gear assembly 11, the rotary teeth of sleeve body 211 is fitted in forward in the fixed teeth of the first gear assembly 11, namely ensure that chair headrest initial position is in position to the front, when occupant's head firmly leans against on headrest, headrest can slight oscillatory backward, has certain elastic buffer effect.
As shown in figure 12, one end of spring 212 is connected to the first gear assembly 11 in the mode of hook vertically, particularly: the first gear assembly 11 axially offers the axial groove 218 for spring 212 along it, and is provided with journal stirrup 215 in this axial groove 218.During installation, one end of spring 212 is stretched out outwardly and is passed from journal stirrup 215, hooks journal stirrup 215.As shown in figure 13, the other end of spring 212 is fixedly attached to one end relative with its active flank in sleeve body 211, particularly: the inwall of one end relative with its active flank in sleeve body 211 offers mounting groove 214, the limiting stopper 216 with axial hole is loaded in mounting groove 214, the other end of spring 212 stretches vertically, and is inserted in the axial hole of limiting stopper 216 also fixing.Like this, the two ends of spring 212 limit in circumference, in actual installation process, by adjustment spring 212, and can in the circumferential for sleeve body 211 provides elastic force forward.
Headrest is contained on back of seat, only needs to stir forward gently to rest the head on, also can push to the right headrest and rotate forward when needing to adjust forward headrest; When needing to adjust headrest backward, because there is oblique gear mechanism, first headrest must be pushed to the right, two side gears are no longer engaged, headrest could be rotated backward, rotate headrest to target angular position, decontroling hand allows headrest axially playback under spring tension effect, and engaging tooth occlusion is spacing.
When adjusting forward the position of chair headrest, only need to stir chair headrest forward gently, also can push () swinging strut 2 from the side in Fig. 7 to the right, after second gear assembly 21 and the first gear assembly 11 are axially thrown off, rotate forward swinging strut 2 to target angular position, decontrol hand by swinging strut 2 axially playback under the effect of spring 212 elastic force left, the second gear assembly 21 and the first gear assembly 11 are engaged spacing, have adjusted forward.
When adjusting the position of chair headrest backward, push () swinging strut 2 from the side in Fig. 7 to the right, after second gear assembly 21 and the first gear assembly 11 are axially thrown off, rotate swinging strut 2 backward to target angular position, decontrol hand by swinging strut 2 axially playback under the effect of spring 212 elastic force left, second gear assembly 21 and the first gear assembly 11 are engaged spacing, have adjusted backward.
The present invention also provides a kind of automotive seat, comprise chair headrest and seat back-rest framework (not shown), described chair headrest is the chair headrest in the various embodiments described above, and the fixed bearing 1 in described chair headrest is fixedly installed on seat back-rest framework.The other parts of described automotive seat are prior art, no longer launch to describe at this.
The present invention also provides a kind of automobile, comprises automotive seat.Described automotive seat are the automotive seat in above-described embodiment.The other parts of described automobile are prior art, no longer launch to describe at this.
In the present invention, the direction pointing to headstock is to " front ", and on the contrary, the direction pointing to the tailstock is to " afterwards ".Correspondingly, just right with headstock direction is " just "; On the contrary, just right with tailstock direction is " just ".It is inside and outside that " inside and outside " refers to relative to spare part profile, such as: in Fig. 1, the direction pointing to the longitudinal rod 12 on right side from the longitudinal rod 12 in left side is " interior ", the direction pointing to the longitudinal rod 12 in left side from the longitudinal rod 12 on right side is " interior ", the direction pointing to left side from the longitudinal rod 12 in left side be " ", the direction on the right side of longitudinal rod 12 sensing on right side be " "." axle sleeve 31 ", " rotating shaft 32 " is above consistent with the longitudinal center line direction of " the second gear assembly 21 ", is referred to as " axis ", and the direction around the longitudinal center line of " the second gear assembly 21 " is called " circumference ".Further, the Width of seat is parallel with " axis ", and the short transverse of seat is " longitudinal direction ".
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (15)
1. a chair headrest, it is characterized in that, comprise fixed bearing (1) and headrest support (2), wherein: described headrest support (2) can be connected to described fixed bearing (1) relative to the mode of rotating before and after described fixed bearing (1), and passes through the spacing target location on the rotation path of front and back of mode of gears meshing.
2. chair headrest as claimed in claim 1, is characterized in that there is gap (L) between the intermeshing teeth of described gear in a circumferential direction.
3. chair headrest as claimed in claim 1 or 2, it is characterized in that, also comprise pre-tightening apparatus, described pre-tightening apparatus is arranged between described fixed bearing (1) and described headrest support (2), for providing the predetermincd tension described headrest support (2) being pressed to vertically described fixed bearing (1).
4. chair headrest as claimed in claim 3, it is characterized in that, described fixed bearing (1) comprises the first gear assembly (11), described headrest support (2) comprises the second gear assembly (21), and described first gear assembly (11) can relatively rotate with described second gear assembly (21) and engage spacing in described target location.
5. chair headrest as claimed in claim 4, it is characterized in that, also comprise rotating assembly (3), described rotating assembly (3) is arranged along the Width of described seat, and connect described fixed bearing (1) and described headrest support (2), can rotate relative to before and after described fixed bearing (1) for making described headrest support (2).
6. chair headrest as claimed in claim 5, it is characterized in that, described rotating assembly (3) comprises axle sleeve (31) and rotating shaft (32), wherein: described axle sleeve (31) is fixedly connected with described fixed bearing (1), described rotating shaft (32) is through described axle sleeve (31) and two ends are all fixedly attached to described headrest support (2).
7. chair headrest as claimed in claim 6, it is characterized in that, described pre-tightening apparatus comprises spring (4), described spring (4) is set in outside at least one end of described axle sleeve (31), for providing the elastic force described second gear assembly (21) being pressed to vertically described first gear assembly (11).
8. chair headrest as claimed in claim 7, it is characterized in that, described fixed bearing (1) also comprises along described Width longitudinal rod (12) arranged apart, described first gear assembly (11) is fixedly connected on the described longitudinal rod (12) of side, and active flank is longitudinally arranged outwardly, one end of described axle sleeve (31) is fixedly connected with described first gear assembly (11), and the other end is fixedly connected with the described longitudinal rod (12) of opposite side; Described headrest support (2) also comprises framework (22), described framework (22) has the first foot (22a) and second foot (22b) in the outside being arranged in longitudinal rod described in two (12), described second gear assembly (21) is fixedly connected with described first foot (22a), and active flank is longitudinally arranged inwardly, one end of described rotating shaft (32) is fixedly connected with described second foot (22b), and the other end is fixedly connected with described second gear assembly (21).
9. chair headrest as claimed in claim 8, it is characterized in that, described longitudinal rod (12) and described second foot (22b) of described opposite side all offer spacing hole (5), the two ends of described spring (4) are respectively charged in spacing hole described in two (5), with in the circumferential for described headrest support (2) provides elastic force forward.
10. chair headrest as claimed in claim 6, it is characterized in that, described rotating assembly (3) comprises axle sleeve (31) and rotating shaft (32), wherein: described axle sleeve (31) is fixedly connected with described headrest support (2), described rotating shaft (32) is through described axle sleeve (31) and two ends are all fixedly attached to described fixed bearing (1).
11. chair headrests as claimed in claim 10, it is characterized in that, described pre-tightening apparatus comprises spring (212), described spring (212) is set in outside at least one end of described axle sleeve (31), for providing the elastic force described second gear assembly (21) being pressed to vertically described first gear assembly (11).
12. chair headrests as claimed in claim 11, it is characterized in that, described fixed bearing (1) also comprises along described Width longitudinal rod (12) arranged apart, described first gear assembly (11) is fixedly connected on the described longitudinal rod (12) of side, and active flank is longitudinally arranged inwardly, one end of described rotating shaft (32) is fixedly connected with described first gear assembly (11), the other end is fixedly connected with the described longitudinal rod (12) of opposite side, for removably connecting between the described other end of described rotating shaft (32) and the described longitudinal rod (12) of opposite side, described headrest support (2) also comprises framework (22), described framework (22) has and is arranged in the first foot (22a) between longitudinal rod described in two (12) and the second foot (22b), described second gear assembly (21) is fixedly connected with described first foot (22a), and active flank is longitudinally arranged outwardly, one end of described axle sleeve (31) is fixedly connected with described second foot (22b), and the other end is fixedly connected with described second gear assembly (21).
13. chair headrests as claimed in claim 12, it is characterized in that, described second gear assembly (21) comprises sleeve body (211) and end cap (213), wherein: described sleeve body (211) two ends are penetrating, and outer face is described active flank, inner end surface is fixedly connected with described end cap (213), and described end cap (213) is fixedly connected on described axle sleeve (31) outward; Described spring (212) is arranged in described sleeve body (211), for providing the elastic force described sleeve body (211) being outwards pressed to described first gear assembly (11).
14. 1 kinds of seats, it comprises chair headrest and seat back-rest framework, it is characterized in that, described chair headrest is the chair headrest such as according to any one of claim 1 to 13, and the fixed bearing (1) in described chair headrest is fixedly installed on seat back-rest framework.
15. 1 kinds of automobiles, it comprises automotive seat, it is characterized in that, described automotive seat are seat as claimed in claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415606.6A CN105083081B (en) | 2015-07-15 | 2015-07-15 | A kind of chair headrest, seat and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415606.6A CN105083081B (en) | 2015-07-15 | 2015-07-15 | A kind of chair headrest, seat and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105083081A true CN105083081A (en) | 2015-11-25 |
| CN105083081B CN105083081B (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510415606.6A Active CN105083081B (en) | 2015-07-15 | 2015-07-15 | A kind of chair headrest, seat and automobile |
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| Country | Link |
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| CN (1) | CN105083081B (en) |
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| CN105599650A (en) * | 2016-02-15 | 2016-05-25 | 韦良富 | Automobile back cushion |
| CN106740333A (en) * | 2017-01-04 | 2017-05-31 | 边成战 | Chair headrest and automotive seat |
| CN110464150A (en) * | 2019-08-30 | 2019-11-19 | 杭州临安赛美家具有限公司 | Combined type bar seat |
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| CN106740333A (en) * | 2017-01-04 | 2017-05-31 | 边成战 | Chair headrest and automotive seat |
| CN110464150A (en) * | 2019-08-30 | 2019-11-19 | 杭州临安赛美家具有限公司 | Combined type bar seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105083081B (en) | 2017-12-08 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20171107 Address after: 100102 Beijing, Chaoyang District Fu Tong East Street, building 1, No. 2 Applicant after: Borgward Automotive (China) Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Applicant before: BEIQI FOTON MOTOR Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The utility model relates to a seat headrest, a seat and a car Effective date of registration: 20200817 Granted publication date: 20171208 Pledgee: BEIQI FOTON MOTOR Co.,Ltd. Pledgor: Borgward Automotive (China) Co., Ltd. Registration number: Y2020990000977 |
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Date of cancellation: 20210507 Granted publication date: 20171208 Pledgee: BEIQI FOTON MOTOR Co.,Ltd. Pledgor: Borgward Automotive (China) Co., Ltd. Registration number: Y2020990000977 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The utility model relates to a seat headrest, a seat and an automobile Effective date of registration: 20210726 Granted publication date: 20171208 Pledgee: BEIQI FOTON MOTOR Co.,Ltd. Pledgor: Borgward Automotive (China) Co., Ltd. Registration number: Y2021990000644 |
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Date of cancellation: 20231123 Granted publication date: 20171208 Pledgee: BEIQI FOTON MOTOR Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990000644 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |