CN210792921U - Adjustable headrest structure for automobile seat - Google Patents
Adjustable headrest structure for automobile seat Download PDFInfo
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- CN210792921U CN210792921U CN201921601556.0U CN201921601556U CN210792921U CN 210792921 U CN210792921 U CN 210792921U CN 201921601556 U CN201921601556 U CN 201921601556U CN 210792921 U CN210792921 U CN 210792921U
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- headrest frame
- headrest
- driving shaft
- middle headrest
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Abstract
The utility model relates to the technical field of automobile accessories, in particular to an adjustable headrest structure for automobile seats, which comprises a middle headrest frame and side headrest frames with mirror images distributed at the left end and the right end of the middle headrest frame, wherein a positioning frame is arranged below the middle headrest frame, an angle adjusting mechanism for adjusting the included angle between the side headrest frame and the middle headrest frame is arranged in the middle headrest frame, the angle adjusting mechanism consists of a driving shaft I and a synchronous adjusting mechanism with mirror images distributed at the two ends of the driving shaft I, the positioning frame is an H-shaped frame, and the upper end of the H-shaped frame is vertically arranged below the middle headrest frame through a lifting adjusting mechanism arranged in the middle headrest frame, the utility model has simple structure, can adjust the height of the headrest on the automobile seat as required, has higher use flexibility, and can adjust the included angle between the two side headrests and the middle headrest as required to play the side protection of the head and the neck of a passenger, bringing convenience for passengers to take a bus.
Description
Technical Field
The utility model relates to the technical field of auto-parts, in particular to adjustable headrest structure for car seat.
Background
When vehicles such as automobiles go forward, passengers sitting on seats often cannot sleep comfortably because the headrest does not provide side protection or because the angle of side protection on the headrest is not good. When the automobile is in sharp turn or jolt in the forward process, the head or the cervical vertebra can be injured due to the fact that the head rest of the seat does not provide side protection or the head rest does not provide side protection in place; in addition, because the heights of different crowds are different, the height of the headrest cannot be flexibly adjusted according to the requirements of different crowds, and inconvenience exists in the actual use.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a following technical scheme:
an adjustable headrest structure for an automobile seat comprises a middle headrest frame and side headrest frames distributed at the left end and the right end of the middle headrest frame in a mirror image manner, a positioning frame is arranged below the middle headrest frame, an angle adjusting mechanism used for adjusting an included angle between the side headrest frames and the middle headrest frame is arranged in the middle headrest frame, the angle adjusting mechanism consists of a first driving shaft and synchronous adjusting mechanisms distributed at the two ends of the first driving shaft in a mirror image manner, the first driving shaft is horizontally and rotatably installed in the middle headrest frame, the middle section of the first driving shaft is connected with a first driving device arranged in the middle headrest frame, each synchronous adjusting mechanism consists of a first reversing assembly, a rotating shaft and a support rod thereof, the rotating shaft is vertically and rotatably installed in the middle headrest frame and vertically distributed with the first driving shaft, the power input end of the first reversing assembly is connected with the end of the first driving shaft, and the power output end of the first reversing assembly is connected with the rotating shaft, one end of the support rod is connected with the outer wall of the rotating shaft, the other end of the support rod penetrates through an adjusting through groove arranged at the side end of the middle headrest frame and is connected with the side headrest frame, the support rod and the rotating shaft are vertically distributed, the positioning frame is an H-shaped frame, the upper end of the H-shaped frame is provided with a vertical threaded groove, the upper end of the H-shaped frame is vertically arranged below the middle headrest frame through a lifting adjusting mechanism arranged in the middle headrest frame, the lifting adjusting mechanism consists of a driving shaft II and synchronous lifting mechanisms distributed at the two ends of the driving shaft II in a mirror image mode, each synchronous lifting mechanism consists of a reversing assembly II and a screw rod thereof, the screw rod is vertically and rotatably connected with the side wall of the middle headrest frame, the lower end of the screw rod extends into the threaded groove in the H-shaped frame and is in threaded fit with the threaded groove, and the power input end of the reversing assembly II is connected with the end of the, the power output end of the second reversing assembly is connected with the upper end of the screw, and the middle section of the second driving shaft is connected with a second driving device arranged in the middle headrest frame.
Preferably, the first driving device is composed of a first stepping motor and a first transmission assembly thereof, the first stepping motor is installed in the middle headrest frame, a power input end of the first transmission assembly is connected with a driving end of the first stepping motor, and a power output end of the first transmission assembly is connected with the first driving shaft.
Preferably, the second driving device is composed of a second stepping motor and a second transmission assembly, the second stepping motor is installed in the middle headrest frame, a power input end of the second transmission assembly is connected with a driving end of the second stepping motor, and a power output end of the second transmission assembly is connected with the second driving shaft.
Preferably, the first transmission assembly and the second transmission assembly are both composed of two spur gears which are meshed with each other.
Preferably, the first reversing assembly and the second reversing assembly are both composed of two mutually meshed bevel gears, and the two mutually meshed bevel gears are vertically distributed.
Has the advantages that: the utility model discloses when using, will the utility model discloses the fastening is installed in the upper end of car seat through the locating rack, when needing to adjust the contained angle between side headrest and the middle headrest, drive transmission assembly one through step motor and rotate, drive the pivot rotation through the switching-over subassembly when transmission assembly one rotates, the pivot drives side headrest frame through the vaulting pole when rotating and swings, thereby make the side headrest swing to the both sides in the place ahead of middle headrest, the side headrest at its both ends plays the effect of spacing support to the both sides of passenger's head, thereby reach the purpose of the side protection to passenger's head and neck; when the height of headrest is adjusted to needs, drive two rotations of drive assembly through two step motor, drive the screw rod through two drive screw rods of switching-over subassembly when drive assembly rotates, because the thread groove screw-thread fit of the lower extreme of screw rod and H shape frame upper end, and H shape frame is the upper end of fastening installation at car seat, so the screw rod drives when rotating the utility model discloses carry out linear motion on vertical direction to reach the purpose of highly adjusting the headrest.
The utility model discloses simple structure can adjust the height of the headrest on the car seat as required, uses the flexibility higher, and the passenger can adjust the contained angle between two side headrests and the middle headrest as required, plays the side protection to passenger's head and neck, brings the convenience of riding for the passenger.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a partial cross-sectional view of a top view of the present invention;
description of reference numerals: 1-middle headrest frame, 2-step motor I, 3-transmission assembly I, 4-driving shaft I, 5-reversing assembly I, 6-rotating shaft, 7-adjusting through groove, 8-support rod, 9-side headrest frame, 10-step motor II, 11-driving shaft II, 12-transmission assembly II, 13-reversing assembly II, 14-screw rod, 15-H-shaped frame and 16-thread groove.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the drawings and the accompanying examples:
referring to fig. 1 to 3, an adjustable headrest structure for an automobile seat includes a middle headrest frame 1 and side headrest frames 9 distributed at left and right ends of the middle headrest frame 1 in a mirror image manner, a positioning frame is arranged below the middle headrest frame 1, an angle adjusting mechanism for adjusting an included angle between the side headrest frames 9 and the middle headrest frame 1 is arranged in the middle headrest frame 1, the angle adjusting mechanism includes a first driving shaft 4 and synchronous adjusting mechanisms distributed at two end portions of the first driving shaft 4 in a mirror image manner, the first driving shaft 4 is horizontally and rotatably installed in the middle headrest frame 1, a middle section of the first driving shaft 4 is connected with a first driving device arranged in the middle headrest frame 1, each synchronous adjusting mechanism includes a first reversing assembly 5, a rotating shaft 6 and a support rod 8 thereof, the rotating shaft 6 is vertically and rotatably installed in the middle headrest frame 1, and the rotating shaft 6 is vertically distributed with the first driving shaft 4, the power input end of the first reversing assembly 5 is connected with the end portion of the first driving shaft 4, the power output end of the first reversing assembly 5 is connected with the rotating shaft 6, one end of a support rod 8 is connected with the outer wall of the rotating shaft 6, the other end of the support rod penetrates through an adjusting through groove 7 arranged at the side end of the middle headrest frame 1 and is connected with a side headrest frame 9, the support rod 8 and the rotating shaft 6 are vertically distributed, the positioning frame is an H-shaped frame 15, the upper end portion of the H-shaped frame 15 is provided with a vertical thread groove 16, the upper end of the H-shaped frame 15 is vertically arranged below the middle headrest frame 1 through a lifting adjusting mechanism arranged in the middle headrest frame 1, the lifting adjusting mechanism is composed of a second driving shaft 11 and synchronous lifting mechanisms distributed at the two end portions of the second driving shaft 11 in a mirror image mode, each synchronous lifting mechanism is composed of a second reversing assembly 13 and a screw rod 14 thereof, and the screw rod 14 is vertically and rotatably connected with the, and the lower end of the screw 14 extends into a thread groove 16 on the H-shaped frame 15 and is in thread fit with the thread groove 16, the power input end of the second reversing assembly 13 is connected with the end part of the second driving shaft 11, the power output end of the second reversing assembly 13 is connected with the upper end of the screw 14, and the middle section of the second driving shaft 11 is connected with a second driving device arranged in the middle headrest frame 1.
In this embodiment, the first driving device is composed of a first stepping motor 2 and a first transmission assembly 3 thereof, the first stepping motor 2 is installed in the middle headrest frame 1, a power input end of the first transmission assembly 3 is connected with a driving end of the first stepping motor 2, and a power output end of the first transmission assembly 3 is connected with a first driving shaft 4.
In this embodiment, the second driving device is composed of a second stepping motor 10 and a second transmission assembly 12 thereof, the second stepping motor 10 is installed in the middle headrest frame 1, a power input end of the second transmission assembly 12 is connected with a driving end of the second stepping motor 10, and a power output end of the second transmission assembly 12 is connected with a second driving shaft 11.
In the present embodiment, the first transmission assembly and the second transmission assembly 3 and 12 are both composed of two spur gears which are meshed with each other.
In this embodiment, the first reversing assembly 5 and the second reversing assembly 13 are both composed of two mutually meshed bevel gears, and the two mutually meshed bevel gears are vertically distributed.
The utility model discloses when using, the middle headrest is installed in the front of middle headrest frame 1, the side headrest is installed in the front of side headrest frame 9, will through the locating rack the utility model discloses the fastening is installed in the upper end of car seat, when needing to adjust the contained angle between side headrest and the middle headrest, drive transmission assembly one 3 through step motor one 2 and rotate, drive pivot 6 through reversing assembly one 5 when transmission assembly one 3 rotates and rotate, pivot 6 drives side headrest frame 9 through vaulting pole 8 and swings when rotating, thereby make the side headrest swing to the both sides in the place ahead of middle headrest, the side headrest at its both ends plays the effect of spacing support to the both sides of passenger's head, thereby reach the purpose of the side protection to passenger's head and neck; when the height of headrest is adjusted to needs, drive two 12 rotations of drive assembly through two 10 step motor, drive screw rod 14 through two 13 drive screw rods of switching-over subassembly when two 12 rotations of drive assembly rotate, because screw rod 14's lower extreme and the 16 screw-thread grooves of screw thread of H shape frame 15 upper end, and H shape frame 15 is the fastening and installs the upper end at car seat, so screw rod 14 drives when rotating the utility model discloses carry out linear motion in vertical direction to reach the purpose of highly adjusting the headrest.
The utility model discloses simple structure can adjust the height of the headrest on the car seat as required, uses the flexibility higher, and the passenger can adjust the contained angle between two side headrests and the middle headrest as required, plays the side protection to passenger's head and neck, brings the convenience of riding for the passenger.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides an adjustable headrest structure for car seat, includes that middle headrest frame (1) and mirror image distribute in side headrest frame (9) of middle headrest frame (1) left and right ends, just the below of middle headrest frame (1) is equipped with locating rack, its characterized in that: an angle adjusting mechanism used for adjusting an included angle between the side headrest frame (9) and the middle headrest frame (1) is arranged in the middle headrest frame (1), the angle adjusting mechanism is composed of a driving shaft I (4) and synchronous adjusting mechanisms distributed at two end parts of the driving shaft I (4) in a mirror image mode, the driving shaft I (4) is horizontally and rotatably installed in the middle headrest frame (1), the middle section of the driving shaft I (4) is connected with a driving device I arranged in the middle headrest frame (1), each synchronous adjusting mechanism is composed of a reversing assembly I (5), a rotating shaft (6) and a supporting rod (8), the rotating shaft (6) is vertically and rotatably installed in the middle headrest frame (1), the rotating shaft (6) is vertically distributed with the driving shaft I (4), the power input end of the reversing assembly I (5) is connected with the end part of the driving shaft I (4), the power output end of the reversing assembly I (5) is connected with the rotating shaft (6), one end of the support rod (8) is connected with the outer wall of the rotating shaft (6), the other end of the support rod penetrates through the adjusting through groove (7) arranged at the side end of the middle headrest frame (1) and is connected with the side headrest frame (9), the support rod (8) and the rotating shaft (6) are vertically distributed, the positioning frame is an H-shaped frame (15), the upper end part of the H-shaped frame (15) is provided with a vertical thread groove (16), the upper end of the H-shaped frame (15) is vertically arranged below the middle headrest frame (1) through a lifting adjusting mechanism arranged in the middle headrest frame (1), the lifting adjusting mechanism is composed of a second driving shaft (11) and synchronous lifting mechanisms which are distributed at two end parts of the second driving shaft (11) in a mirror image mode, each synchronous lifting mechanism is composed of a second reversing assembly (13) and a screw rod (14) of the second reversing assembly, and the screw rod (14) is vertically and rotatably connected with the side wall of the middle headrest frame (1), and the lower end of the screw rod (14) extends into a thread groove (16) on the H-shaped frame (15) and is in thread fit with the thread groove (16), the power input end of the second reversing assembly (13) is connected with the end part of the second driving shaft (11), the power output end of the second reversing assembly (13) is connected with the upper end of the screw rod (14), and the middle section of the second driving shaft (11) is connected with a second driving device arranged in the middle headrest frame (1).
2. The adjustable headrest structure for vehicle seats according to claim 1, wherein: the first driving device is composed of a first stepping motor (2) and a first transmission assembly (3), the first stepping motor (2) is installed in the middle headrest frame (1), the power input end of the first transmission assembly (3) is connected with the driving end of the first stepping motor (2), and the power output end of the first transmission assembly (3) is connected with the first driving shaft (4).
3. The adjustable headrest structure for vehicle seats according to claim 2, wherein: the driving device II is composed of a stepping motor II (10) and a transmission assembly II (12) thereof, the stepping motor II (10) is installed in the middle headrest frame (1), the power input end of the transmission assembly II (12) is connected with the driving end of the stepping motor II (10), and the power output end of the transmission assembly II (12) is connected with the driving shaft II (11).
4. The adjustable headrest structure for vehicle seats according to claim 3, wherein: the first transmission assembly (3) and the second transmission assembly (12) are formed by two straight gears which are meshed with each other.
5. The adjustable headrest structure for vehicle seats according to claim 1, wherein: the first reversing assembly (5) and the second reversing assembly (13) are composed of two mutually meshed bevel gears, and the two mutually meshed bevel gears are vertically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921601556.0U CN210792921U (en) | 2019-09-24 | 2019-09-24 | Adjustable headrest structure for automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921601556.0U CN210792921U (en) | 2019-09-24 | 2019-09-24 | Adjustable headrest structure for automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792921U true CN210792921U (en) | 2020-06-19 |
Family
ID=71242435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921601556.0U Active CN210792921U (en) | 2019-09-24 | 2019-09-24 | Adjustable headrest structure for automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066467A (en) * | 2021-03-15 | 2021-07-02 | 南京大学 | Rest chair suitable for being used in noisy environment based on Internet of things |
-
2019
- 2019-09-24 CN CN201921601556.0U patent/CN210792921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066467A (en) * | 2021-03-15 | 2021-07-02 | 南京大学 | Rest chair suitable for being used in noisy environment based on Internet of things |
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