CN217396336U - Seat headrest and vehicle - Google Patents
Seat headrest and vehicle Download PDFInfo
- Publication number
- CN217396336U CN217396336U CN202220576604.0U CN202220576604U CN217396336U CN 217396336 U CN217396336 U CN 217396336U CN 202220576604 U CN202220576604 U CN 202220576604U CN 217396336 U CN217396336 U CN 217396336U
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- headrest
- seat headrest
- side wing
- support plate
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- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 230000008093 supporting effect Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000000670 limiting effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a seat headrest and vehicle, seat headrest include headrest framework, intermediate support board, first flank, second flank, transmission and drive arrangement, and the intermediate support board links to each other with the headrest framework, and first flank and second flank pass through transmission and intermediate support board at the both ends pin joint of left right direction, and drive arrangement links to each other with the transmission drive. The utility model provides a seat headrest has the pivot continuity of the relative intermediate bottom plate of first flank and second flank good, labour saving and time saving's advantage.
Description
Technical Field
The utility model relates to an automobile parts technical field, concretely relates to seat headrest and vehicle.
Background
In the related art, the seat headrest generally includes a middle support plate for supporting the rear side of the head of the occupant and two side wings provided on left and right sides of the middle support plate and pivotable with respect to the middle support plate so as to effectively support both sides of the head of the occupant. However, when the side wings pivot relative to the middle supporting plate in the related art, the set angle can be reached only by manual left-right adjustment for many times, and further, the defects of poor continuity, time waste and labor waste exist.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the present invention provides a seat headrest, which has the advantages of good continuity of the pivoting of the first side wing and the second side wing relative to the middle support plate, time saving and labor saving.
The embodiment of the utility model provides a vehicle is still provided.
The seat headrest provided by the embodiment of the utility model comprises a headrest framework, a middle support plate, a first side wing, a second side wing, a transmission device and a driving device, wherein the middle support plate is connected with the headrest framework; the first side wing and the second side wing are pivoted with the two ends of the middle supporting plate in the left-right direction through the transmission device; the driving device is connected with the transmission device in a driving mode.
According to the utility model discloses seat headrest, under drive arrangement's drive, first flank and second flank can be continuous, pivot steadily relative intermediate support board, and degree of automation is high. In the process, the head of the passenger can contact the middle support plate at any time, so that the operation of the driving device is stopped in time when the first side wing and the second side wing pivot to proper angles, and the angle adjustment of the first side wing and the second side wing is time-saving and labor-saving.
In some embodiments, the first wing and the second wing are mirror symmetrically disposed.
In some embodiments, the transmission device includes a first transmission component and a second transmission component, the first side wing is pivotally connected to the middle support plate through the first transmission component, and the second side wing is pivotally connected to the middle support plate through the second transmission component.
In some embodiments, the second transmission assembly and the first transmission assembly are identical in structure, the first transmission assembly includes a housing and a transmission mechanism installed in the housing, the housing is connected to the intermediate support plate, the transmission mechanism has an input shaft and an output shaft, the input shaft is connected to the driving device, and the output shaft protrudes out of the housing and is connected to the first side wing.
In some embodiments, the first transmission assembly and the second transmission assembly are arranged in mirror symmetry.
In some embodiments, the seat headrest further comprises two connecting shafts, the driving device comprises a double-shaft motor, the double-shaft motor is mounted on one side of the middle supporting plate, which faces the headrest framework, and two driving ends of the double-shaft motor are connected with the corresponding input shafts through the corresponding connecting shafts.
In some embodiments, the two input shafts are angled in the axial direction, and the connecting shaft is a flexible shaft.
In some embodiments, the connecting shaft is a special-shaped shaft, a special-shaped hole matched with the cross section of the special-shaped shaft is formed in the outer end face of the input shaft, a first end of the connecting shaft is connected with the driving end of the double-shaft motor, and a second end of the connecting shaft is matched in the special-shaped hole.
In some embodiments, both ends of the output shaft protrude from the housing and are both special-shaped shaft sections, the first side wing includes a first connecting plate and a second connecting plate which are arranged oppositely, the first connecting plate and the second connecting plate are both provided with matching holes which are matched with the cross-sectional shapes of the special-shaped shaft sections, the housing is located between the first connecting plate and the second connecting plate, and the two special-shaped shaft sections are respectively matched in the two matching holes.
In some embodiments, the seat headrest further comprises a first threaded member, the housing is provided with at least two first connection holes, one side of the middle support plate facing the headrest framework is provided with first threaded holes corresponding to the first connection holes one to one, and the first threaded member penetrates through the first connection holes and is in threaded fit with the corresponding first threaded holes.
In some embodiments, the seat headrest further comprises a second threaded member, at least two protruding columns are arranged on one side of the middle supporting plate facing the headrest framework, a second threaded hole is formed in the outer end face of each protruding column, second connecting holes corresponding to the second threaded holes in a one-to-one mode are formed in the headrest framework, and the second threaded member penetrates through the second connecting holes and is in threaded fit with the corresponding second threaded holes.
A vehicle according to an embodiment of the present invention includes a seat headrest according to any of the above embodiments.
The technical advantages of the vehicle according to the embodiments of the present invention are the same as those of the seat headrest of the above-described embodiments, and are not described herein again.
Drawings
Fig. 1 is a front view of a seat headrest according to an embodiment of the present invention.
Fig. 2 is an exploded view of a seat headrest according to an embodiment of the invention.
Fig. 3 is a rear view of a seat headrest according to an embodiment of the present invention, in which a headrest frame is hidden.
Fig. 4 is a schematic view of a first transmission assembly in a seat headrest according to an embodiment of the invention.
Reference numerals:
100. a seat headrest; 1. a headrest framework; 11. a second connection hole; 2. a middle support plate; 21. a first threaded hole; 22. a convex column; 23. a second threaded hole; 3. a first side flap; 31. a first connecting plate; 32. a second connecting plate; 33. a mating hole; 4. a second side flap; 5. a transmission device; 51. a first transmission assembly; 511. a housing; 5111. a first connection hole; 512. an output shaft; 513. an input shaft; 5131. a profiled hole; 52. a second transmission assembly; 6. a drive device; 7. and (7) connecting the shafts.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
A seat headrest 100 according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
The seat headrest 100 according to the embodiment of the present invention includes a headrest frame 1, a middle support plate 2, a first side wing 3, a second side wing 4, a transmission device 5, and a driving device 6. The intermediate support plate 2 is connected with the headrest framework 1. The first side wing 3 and the second side wing 4 are pivotally connected with the two ends of the middle supporting plate 2 in the left-right direction through a transmission device 5 to realize pin joint. The drive device 6 is in driving connection with the transmission device 5.
According to the seat headrest 100 of the embodiment of the present invention, under the driving of the driving device 6, the first side wing 3 and the second side wing 4 can pivot continuously and stably relative to the middle support plate 2, and the degree of automation is high. In this process, the head of the occupant may contact the intermediate support plate 2 at all times so as to stop the operation of the driving device 6 in time when the first and second side wings 3 and 4 pivot to a proper angle, whereby the angle adjustment of the first and second side wings 3 and 4 is time-saving and labor-saving.
In some embodiments, as shown in fig. 1, the first side flap 3 and the second side flap 4 are arranged mirror-symmetrically.
That is, the driving device 6 drives the first side wing 3 and the second side wing 4 to pivot towards the unfolding position/folding position through the transmission device 5, in other words, the first side wing 3 and the second side wing 4 pivot away from/close to the head of the passenger, so that the first side wing 3 and the second side wing 4 have good symmetry, high aesthetic property, and good supporting and limiting effects on the passenger.
In some embodiments, as shown in fig. 1 and 2, the transmission device 5 comprises a first transmission assembly 51 and a second transmission assembly 52, the first side wing 3 is pivotably connected with the intermediate support plate 2 through the first transmission assembly 51, and the second side wing 4 is pivotably connected with the intermediate support plate 2 through the second transmission assembly 52.
Therefore, the pivoting of the first side wing 3 relative to the middle support plate 2 and the pivoting of the second side wing 4 relative to the middle support plate 2 are independent of each other, and the pivoting stability of the first side wing 3 and the second side wing 4 relative to the middle support plate 2 is high.
In some embodiments, second drive assembly 52 is identical in structure to first drive assembly 51, and first drive assembly 51 includes a housing 511 and a drive mechanism mounted within housing 511. The housing 511 is connected to the intermediate support plate 2, the transmission has an input shaft 513 and an output shaft 512, the input shaft 513 is connected to the drive unit 6, and the output shaft 512 projects out of the housing 511 and is connected to the first side wing 3.
The output shaft 512 can have larger torque through the speed reduction of the transmission mechanism, so that the power requirement of the driving device 6 is reduced, and the driving device 6 with smaller volume and weight can be selected, so that the driving device 6 is conveniently hidden between the middle support plate 2 and the headrest framework 1. Moreover, the transmission mechanism may make the axial direction of the input shaft 513 and the axial direction of the output shaft 512 at an angle, thereby facilitating the installation of the driving device 6 at a proper position of the intermediate support plate 2, resulting in a compact structure of the seat headrest 100.
Specifically, the transmission mechanism is a gear transmission mechanism, and the axial direction of the input shaft 513 is perpendicular to the axial direction of the output shaft 512.
In some embodiments, as shown in fig. 1 and 3, the first transmission assembly 51 and the second transmission assembly 52 are arranged in mirror symmetry.
Therefore, the seat headrest 100 is attractive in appearance, the first side wing 3 and the second side wing 4 are good in pivoting consistency relative to the middle support plate 2, the first side wing 3 and the second side wing 4 are arranged in mirror symmetry at any time, and the first side wing 3 and the second side wing 4 are better in supporting and limiting effects on the heads of passengers.
In some embodiments, as shown in fig. 2, the seat headrest 100 further includes two connecting shafts 7, and the driving device 6 includes a two-shaft motor, which is mounted on a side of the intermediate support plate 2 facing the headrest frame 1, and both driving ends of which are connected to the respective input shafts 513 via the respective connecting shafts 7.
Therefore, the first side wing 3 and the second side wing 4 are driven by the double-shaft motor to pivot relative to the middle support plate 2, the rotation consistency of the first side wing 3 and the second side wing 4 is further ensured, the symmetry degree of the first side wing 3 and the second side wing 4 is better, and the support and the limiting effect of the first side wing 3 and the second side wing on the head of a passenger are better.
In some embodiments, the two input shafts 513 are angled axially, and the connecting shaft 7 is a flexible shaft.
At this time, the axial direction of the driving shaft of the dual-shaft motor and the axial direction of the two input shafts 513 both form an angle, and the flexible shaft is deformed by certain bending, so that the dual-shaft motor is connected with the first transmission assembly 51 and the second transmission assembly 52 in a driving manner.
Specifically, as shown in fig. 1, the output shaft 512 of the first transmission assembly 51 and the output shaft 512 of the second transmission assembly 52 are angled, and the central axes of the two output shafts 512 intersect below the seat headrest 100. Therefore, when the first side wing 3 and the second side wing 4 pivot toward the head of the occupant with respect to the intermediate support plate 2, the lower ends of the first side wing 3 and the second side wing 4 move obliquely upward, and the head of the occupant can be supported, so that the comfort of the occupant can be improved.
In some embodiments, as shown in fig. 2 and 4, the connecting shaft 7 is a special-shaped shaft, the outer end surface of the input shaft 513 is provided with a special-shaped hole 5131 matched with the cross-sectional shape of the special-shaped shaft, a first end of the connecting shaft 7 is connected with the driving end of the dual-shaft motor, and a second end of the connecting shaft 7 is matched in the special-shaped hole 5131.
After the first end of the connecting shaft 7 is connected with the driving end of the dual-shaft motor, the second end of the connecting shaft 7 can be pressed into the special-shaped hole 5131 only by bending the connecting shaft 7, so that the connecting shaft 7 and the input shaft 513 are relatively fixed in the circumferential direction of the input shaft 513. This facilitates the attachment and detachment of the connecting shaft 7 and the input shaft 513, and improves the efficiency of assembling the seat headrest 100.
Specifically, as shown in FIG. 4, the input shaft 513 is generally disposed within the housing 511, and the profiled bore 5131 is a square bore.
In some embodiments, as shown in fig. 1 and 2, both ends of the output shaft 512 protrude from the housing 511 and are both a profiled shaft section, the first wing 3 includes a first connecting plate 31 and a second connecting plate 32 which are oppositely arranged, and the first connecting plate 31 and the second connecting plate 32 are both provided with a matching hole 33 which matches with the cross-sectional shape of the profiled shaft section. The housing 511 is located between the first connecting plate 31 and the second connecting plate 32, and the two profiled shaft sections are respectively fitted in the two fitting holes 33.
The installation of the first transmission assembly 51 on the first side wing 3 and the installation of the second transmission assembly 52 on the second side wing 4 are simple and convenient, and the difficulty in assembling the seat headrest 100 is further reduced.
Specifically, the fitting hole 33 is a square hole, the cross section of the special-shaped shaft section is square, and the two special-shaped shaft sections are respectively fitted in the two fitting holes 33, so that the relative fixation of the housing 511 and the output shaft 512 in the circumferential direction of the output shaft 512 is ensured, thereby realizing the pivotable connection of the first side wing 3/the second side wing 4 and the housing 511 of the first transmission assembly 51/the second transmission assembly 52, and after the housing 511 is connected with the middle support plate 2, realizing the pivotable connection of the first side wing 3/the second side wing 4 and the middle support plate 2.
In some embodiments, the seat headrest 100 further includes a first screw member, at least two first connection holes 5111 are provided on the housing 511, first screw holes 21 corresponding to the first connection holes 5111 are provided on one side of the intermediate support plate 2 facing the headrest frame 1, and the first screw member passes through the first connection holes 5111 and is screw-engaged with the corresponding first screw holes 21.
As shown in fig. 1 and 4, the number of the first connection holes 5111 on each shell 511 is two, the first screws are bolts, and the two bolts pass through the corresponding first connection holes 5111 and are in threaded fit with the first threaded holes 21 on the intermediate support plate 2, so that the shell 511 and the intermediate support plate 2 are fixedly connected, and the connection strength between the shell 511 and the intermediate support plate 2 is high.
In some embodiments, the seat headrest 100 further includes a second screw, at least two protruding columns 22 are disposed on one side of the middle support plate 2 facing the headrest framework 1, a second threaded hole 23 is disposed on an outer end surface of each protruding column 22, second connection holes 11 corresponding to the second threaded holes 23 are disposed on the headrest framework 1, and the second screw passes through the second connection holes 11 and is in threaded fit with the corresponding second threaded holes 23.
As shown in fig. 2 and 3, the number of the convex columns 22 is three, the convex columns are distributed on the middle support plate 2 in a triangular mode, the number of the second connecting holes 11 is three, the second connecting holes correspond to the convex columns 22 one by one, the second threaded pieces are bolts, the three bolts penetrate through the corresponding second connecting holes 11 and are in threaded fit with the corresponding second threaded holes 23, the middle support plate 2 is fixedly connected with the headrest framework 1, and the connecting strength of the middle support plate 2 and the headrest framework 1 is high. Moreover, the convex column 22 is arranged to form a space for accommodating the double-shaft motor between the middle support plate 2 and the headrest framework 1.
A vehicle according to an embodiment of the present invention includes the seat headrest 100 according to any of the above embodiments.
Technical advantages of the vehicle according to the embodiment of the present invention are the same as those of the seat headrest 100 of the above-described embodiment, and are not described herein again.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.
Claims (12)
1. A seat headrest, comprising:
a headrest framework;
the middle supporting plate is connected with the headrest framework;
the first side wing and the second side wing are pivoted with the two ends of the middle supporting plate in the left-right direction through the transmission device; and
and the driving device is in driving connection with the transmission device.
2. The seat headrest of claim 1, wherein the first and second side wings are mirror symmetrically disposed.
3. The seat headrest of claim 1, wherein the transmission comprises a first transmission assembly and a second transmission assembly, the first side wing being pivotally coupled to the intermediate support plate via the first transmission assembly, and the second side wing being pivotally coupled to the intermediate support plate via the second transmission assembly.
4. The seat headrest according to claim 3, wherein the second transmission assembly is identical in construction to the first transmission assembly, the first transmission assembly including a housing and a transmission mechanism mounted within the housing, the housing being connected to the intermediate support plate, the transmission mechanism having an input shaft and an output shaft, the input shaft being connected to the drive arrangement, the output shaft projecting out of the housing and being connected to the first side wing.
5. The seat headrest of claim 4, wherein the first and second transmission assemblies are arranged in mirror symmetry.
6. The seat headrest of claim 4, further comprising two connecting shafts, wherein the driving device comprises a double-shaft motor, the double-shaft motor is mounted on one side of the middle support plate facing the headrest framework, and two driving ends of the double-shaft motor are connected with the corresponding input shafts through the corresponding connecting shafts.
7. The seat headrest according to claim 6, wherein the two input shafts are angled in the axial direction, and the connecting shaft is a flexible shaft.
8. The seat headrest according to claim 7, wherein the connecting shaft is a special-shaped shaft, an outer end surface of the input shaft is provided with a special-shaped hole matched with the cross-sectional shape of the special-shaped shaft, a first end of the connecting shaft is connected with the driving end of the double-shaft motor, and a second end of the connecting shaft is matched in the special-shaped hole.
9. The headrest for seats according to claim 4, wherein both ends of the output shaft protrude from the housing and are respectively a profiled shaft section, the first side wing includes a first connecting plate and a second connecting plate which are oppositely arranged, each of the first connecting plate and the second connecting plate is provided with a matching hole matching with the cross-sectional shape of the profiled shaft section, the housing is located between the first connecting plate and the second connecting plate, and the two profiled shaft sections are respectively matched in the two matching holes.
10. The seat headrest according to claim 4, further comprising a first screw member, wherein at least two first connection holes are formed in the housing, first screw holes corresponding to the first connection holes in a one-to-one correspondence are formed in a side of the middle support plate facing the headrest frame, and the first screw member passes through the first connection holes and is screw-engaged with the corresponding first screw holes.
11. The seat headrest according to claim 1, further comprising a second screw member, wherein at least two protruding columns are disposed on a side of the middle support plate facing the headrest framework, a second screw hole is disposed on an outer end surface of each protruding column, second connection holes corresponding to the second screw holes in a one-to-one manner are disposed on the headrest framework, and the second screw member passes through the second connection holes and is in screw-fit with the corresponding second screw holes.
12. A vehicle comprising a seat headrest according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576604.0U CN217396336U (en) | 2022-03-16 | 2022-03-16 | Seat headrest and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576604.0U CN217396336U (en) | 2022-03-16 | 2022-03-16 | Seat headrest and vehicle |
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| Publication Number | Publication Date |
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| CN217396336U true CN217396336U (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220576604.0U Active CN217396336U (en) | 2022-03-16 | 2022-03-16 | Seat headrest and vehicle |
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| CN (1) | CN217396336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2624459A (en) * | 2022-11-21 | 2024-05-22 | Jaguar Land Rover Ltd | Head restraint assembly |
-
2022
- 2022-03-16 CN CN202220576604.0U patent/CN217396336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2624459A (en) * | 2022-11-21 | 2024-05-22 | Jaguar Land Rover Ltd | Head restraint assembly |
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