CN113147545A - Headrest and automobile seat - Google Patents
Headrest and automobile seat Download PDFInfo
- Publication number
- CN113147545A CN113147545A CN202110503966.7A CN202110503966A CN113147545A CN 113147545 A CN113147545 A CN 113147545A CN 202110503966 A CN202110503966 A CN 202110503966A CN 113147545 A CN113147545 A CN 113147545A
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- main body
- headrest
- assembly
- plate
- swinging plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/879—Head-rests with additional features not related to head-rest positioning, e.g. heating or cooling devices or loudspeakers
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides a headrest and an automobile seat, relates to the technical field of automobile equipment, and comprises the following components: a main body having an accommodating space therein, and a swing member disposed in the accommodating space; the body is configured to be switched between a shielding state and a deployed state by the swing assembly; the swinging assembly is provided with a swinging plate, the swinging plate is in adaptive connection with the telescopic assembly, and when the control assembly drives the telescopic assembly to extend, the swinging plate swings forwards and inwards and is in a protection state corresponding to the main body protruding forwards and inwards; or when the telescopic assembly returns to the initial position, the swinging plate is unfolded backwards and outwards and is in an unfolded state corresponding to the main body. The main body has a protection state protruding forwards and inwards by controlling the swinging of the swinging plate, so that the problem that the existing headrest lacks lateral protection is solved.
Description
Technical Field
The invention relates to the technical field of automobile equipment, in particular to a headrest and an automobile seat.
Background
Whiplash injury is bone or soft tissue injury caused by the acceleration and deceleration mechanism of the neck resulting from an impact. Data statistics show that the incidence rate of whiplash injury and the incidence rate of road traffic injury are positively correlated, and particularly, rear-end accidents are highly happened. During the rear-end collision, the vehicle body has a forward acceleration at the moment of collision, the chest of the body moves forwards and tends to lift up due to the obstruction of the backrest and the inertia of the head, the head moves horizontally backwards, the lower part of the cervical vertebra stretches, the upper part bends, the reverse S shape appears, and then the head continuously leans backwards, and the whole neck stretches. With the headrest, the head comes into contact with the headrest and continues to recline, but the presence of the headrest prevents this tendency from continuing, and the head begins to move forward under the rebound action of the headrest. Without the headrest, the head would recline further and neck extension reached a limit. And then reverse motion is initiated.
Therefore, the headrest is a protective article which gives consideration to both driving comfort and head safety of passengers. Although whiplash injury is not as fatal as head and chest injuries, complete healing is difficult, and serious sequelae are easily caused. Thus, a comfortable and safe headrest for a vehicle seat is an indispensable component of a vehicle safety device. Most of the existing headrests protect the head of an occupant by longitudinal displacement according to the collision accident of an automobile. For example, chinese patent CN105346417A discloses "a method for using an active headrest for protecting the neck safety of an automobile occupant", which comprises the following steps: firstly, directly communicating an electrically connected control module with an automobile safety system; when the distance between a vehicle behind the automobile and the automobile is within a dangerous value range, the control module directly transmits a command to the air cylinder, the output end of the air cylinder stretches to drive the head plate to move forwards, so that the head of a passenger on the supporting part of the headrest is close to the head of the passenger, the backward movement of the head of the passenger relative to the upper trunk during rear-end collision is limited in advance, and whiplash injury caused by untimely starting of the air cylinder during collision is avoided; when the distance between a vehicle behind the automobile and the automobile is within a safety value range, the control module directly controls the cylinder to retract, namely the output end of the cylinder drives the head plate to move backwards, so that the heads of passengers and the supporting part of the headrest are reset, manual operation is not needed, and the synchronization of headrest protection and an automobile safety system is realized. In the scheme, the head of the passenger is protected only through longitudinal displacement, and the protection in other directions is lacked, so that the safety protection effect cannot be achieved when a side impact occurs.
Disclosure of Invention
The invention discloses a headrest and an automobile seat, and aims to solve the problem that the existing headrest lacks lateral protection.
The invention adopts the following scheme:
a headrest, comprising: a main body having an accommodating space therein, and a swing member disposed in the accommodating space; the body is configured to be switched between a shielding state and a deployed state by the swing assembly;
the swinging assembly is provided with a swinging plate, the swinging plate is in adaptive connection with the telescopic assembly, and when the control assembly drives the telescopic assembly to extend, the swinging plate swings forwards and inwards and is in a protection state corresponding to the main body protruding forwards and inwards; or when the telescopic assembly returns to the initial position, the swinging plate is unfolded backwards and outwards and is in an unfolded state corresponding to the main body.
As a further improvement, the swinging assembly is symmetrically provided with two groups along the central line of the main body, and when the main body is in a protection state, the surface of the main body close to a user is in a U shape.
As a further improvement, a fixing plate is arranged on the side, close to the seat, of the main body, and the swinging plate is hinged with the fixing plate.
As a further improvement, the telescopic assembly comprises a working cylinder and a telescopic pipe sleeved inside the working cylinder, one end of the working cylinder is connected with the fixing plate in a matched mode, and the other end of the working cylinder is provided with a sliding block used for being abutted to the swinging plate.
As a further improvement, a sliding groove is formed on the side of the swinging plate close to the fixed plate, the sliding block is hinged with the telescopic pipe, and the sliding block is configured to move along the sliding groove through the telescopic pipe.
As a further improvement, an iron block is provided on the side of the telescopic tube close to the fixed plate, a partition plate is provided on the side of the operating cylinder close to the swinging plate, the telescopic tube is disposed through the partition plate, an electromagnetic coil winding is accommodated on the side of the partition plate away from the iron block, and the telescopic tube is configured to extend toward the side of the swinging plate along the axis of the operating cylinder when the electromagnetic coil winding is energized.
As a further improvement, an elastic piece is arranged between the iron block and the fixed plate, and when the electromagnetic coil winding is powered off, the telescopic pipe is driven to return to the initial position.
As a further improvement, the iron block is welded with the extension pipe, and the extension pipe is configured to have the longest length extending out of the working cylinder when the iron block abuts against the partition plate.
As a further improvement, the electromagnetic coil winding is electrically connected to the control assembly, and a collision signal is transmitted to the control assembly by a collision sensor to energize the electromagnetic coil winding.
The automobile seat comprises a seat body and the headrest, wherein the headrest is arranged at a position, close to the head of a user, of the seat body.
By adopting the technical scheme, the invention can obtain the following technical effects:
the utility model provides a headrest through the swing of control swing board to make the main part have the bellied guard state of forward inside, when the emergence vehicle collision, can give user's head support from rear and side of head, thereby avoid when taking place vehicle side collision, do not have the side protection, lead to user's head to take place the displacement, cause to wave the whip injury. The advantages of the present application are apparent compared to the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is a schematic diagram of a hidden main body according to an embodiment of the present invention;
FIG. 6 is a partial cross-sectional view of one embodiment of the present invention;
FIG. 7 is an enlarged view of A in FIG. 6;
FIG. 8 is a schematic view of a telescoping tube in an initial position according to one embodiment of the present invention;
figure 9 is a schematic view of the telescopic tube of figure 8 in an extended state.
Icon: 100-a body; 110-a fixed plate; 200-a swing assembly; 210-a wobble plate; 211-a convex part; 212-a sliding groove; 300-a telescoping assembly; 310-a working cylinder; 311-a separator; 320-telescoping tube; 321-iron block; 330-a slide block; 340-electromagnetic coil windings; 350-elastic member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
With reference to fig. 1 to 9, the present embodiment provides a headrest including: the main body 100 has an accommodating space therein, a surface of the main body 100 is formed by sewing an elastic material, and a cavity between the accommodating space and the surface is filled with a sponge, but not limited thereto. The swing assembly 200 is disposed in the accommodation space, and the main body 100 is configured to be switched between the shielding state and the deployed state by the swing assembly 200.
The swing assembly 200 has a swing plate 210, the swing plate 210 is connected to the telescopic assembly 300 in a fitting manner, when the control assembly (not shown) drives the telescopic assembly 300 to extend, the swing plate 210 swings forward and inward (with the direction close to the user side as the front), at this time, the main body 100 is in a protection state, the main body 100 protrudes forward and inward along with the swing plate 210 or when the telescopic assembly 300 returns to the initial position, the swing plate 210 expands backward (with the direction away from the user side as the rear), at this time, the main body 100 is in an expansion state.
It should be noted that, in the present embodiment, the swinging plate 210 is controlled to swing so that the main body 100 has a protection state protruding forward and inward, and when a vehicle collision occurs, the head support can be provided for a user from the rear and the side of the head, thereby avoiding that the head of the user is displaced and whiplash is caused due to no side protection when the vehicle side collision occurs.
Specifically, the swing assemblies 200 are symmetrically arranged in two groups along the central line of the main body 100, and when the main body 100 is in the protection state, the surface of the main body 100 close to the user is U-shaped. The head of the user can be arranged in the U-shaped structure, so that the rear part and the side surface of the head are limited, and the head cannot be greatly displaced to cause injury to a human body. When in the unfolding state, the middle part of the body is slightly concave, which accords with human engineering and is beneficial to the relaxation of the neck of the human body,
on the basis of the above embodiments, in an alternative embodiment of the present invention, the main body 100 is provided with a fixed plate 110 (a flat plate disposed to follow the outer periphery of the main body) near the seat side, the swing plate 210 is hinged to the fixed plate 110, and the angle between the swing plate 210 and the fixed plate 110 is controlled by the telescopic assembly 300. In which a rigid plate is used for both the fixed plate 110 and the swing plate 210 to ensure stability of the swing plate 210 during swinging. In another embodiment, the swing plate 210 is provided with a plurality of protrusions 211 with a hemispherical cross section and protruding uniformly from the user side to increase the friction between the swing plate 210 and the filled sponge in the main body 100, so that the sponge moves in a desired direction.
In another embodiment, the telescopic assembly 300 comprises a cylinder 310 and a telescopic tube 320 sleeved inside the cylinder 310, wherein one end of the cylinder 310 is connected to the fixed plate 110, and the other end is configured with a sliding block 330 for abutting against the swing plate 210. The swing plate 210 has a slide groove 212 formed on a side thereof close to the fixed plate 110, a slider 330 is hinged to the telescopic tube 320, and the slider 330 is configured to move along the slide groove 212 via the telescopic tube 320. In this embodiment, the cylinder 310 is fixedly connected to the fixed plate 110 by a bolt, so that the extension and retraction direction of the extension tube 320 is determined, and when the extension tube 320 extends to the outside of the cylinder 310, the slider 330 moves along the sliding groove 212 and swings forward and inward while abutting against the swing plate 210; when the bellows 320 returns to the initial position, the slider 330 exerts a pulling force on the swing plate 210 to swing the swing plate 210 rearward and outward.
In the present embodiment, the slider 330 is provided with a flange, the sliding groove 212 is a T-shaped groove, and the flange of the slider 330 is fittingly engaged with the T-shaped groove so that the slider 330 can swing in contact with the swing plate 210 when the telescopic tube 320 is extended. In the process of returning the bellows 320 to the initial position, the slider 330 can apply a force to the swing plate 210, so that the swing plate 210 is reset.
Preferably, referring to fig. 7, an iron block 321 is provided on the extension tube 320 near the fixed plate 110, a partition 311 is provided on the cylinder 310 near the swing plate 210, the extension tube 320 is disposed through the partition 311, an electromagnetic coil winding 340 is accommodated on the partition 311 far from the iron block 321, and the extension tube 320 is configured to extend toward the swing plate 210 along the axis of the cylinder 310 when the electromagnetic coil winding 340 is energized. When the electromagnetic coil winding group is energized, an electromagnetic force is generated, and the attraction iron block 321 moves in the direction of the electromagnetic coil winding group. In this embodiment, the extension tube 320 is an aluminum tube, the iron block 321 is welded to the extension tube 320, and the extension tube 320 is extended to the outside of the cylinder 310 when the iron block 321 is moved in the direction of the solenoid winding group.
Preferably, an elastic member 350 (e.g., a spring) is disposed between the iron block 321 and the fixing plate 110, and drives the telescopic tube 320 to return to the initial position when the electromagnetic coil winding 340 is de-energized. For example, when the electromagnetic coil winding 340 is energized, the iron block 321 moves toward the electromagnetic coil winding 340 against the elastic force of the elastic member 350; when solenoid winding 340 is de-energized, spring 350 provides a restoring force to pull iron 321 back to the initial position.
It should be noted that the bellows 320 is configured such that when the iron block 321 abuts the partition 311, the length of the bellows 320 extending out of the cylinder 310 is the longest. It is easily understood that, in the present embodiment, the moving distance of the bellows 320 is limited by the arrangement of the partition 311, thereby controlling the angle of swing of the swing plate 210.
In an alternative embodiment of the present invention based on the above embodiment, the electromagnetic coil winding 340 is electrically connected to a control component (e.g., a PCB board), and an impact signal is transmitted to the control component through an impact sensor to energize the electromagnetic coil winding 340. The working principle of the collision sensor is the prior art, and is not described herein again.
Another embodiment provides an automobile seat, which includes a seat body and the headrest as described above, wherein the headrest is disposed at a position of the seat body close to the head of the user.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
Claims (10)
1. A headrest, comprising: a main body having an accommodating space therein, and a swing member disposed in the accommodating space; the body is configured to be switched between a shielding state and a deployed state by the swing assembly;
the swinging assembly is provided with a swinging plate, the swinging plate is in adaptive connection with the telescopic assembly, and when the control assembly drives the telescopic assembly to extend, the swinging plate swings forwards and inwards and is in a protection state corresponding to the main body protruding forwards and inwards; or when the telescopic assembly returns to the initial position, the swinging plate is unfolded backwards and outwards and is in an unfolded state corresponding to the main body.
2. The headrest of claim 1, wherein the two sets of the swing assemblies are symmetrically arranged along a center line of the main body, and a surface of the main body adjacent to a user is U-shaped when the main body is in a protection state.
3. The headrest according to claim 1, wherein the main body is provided with a fixed plate adjacent to a seat side, and the swinging plate is hingedly disposed with the fixed plate.
4. The headrest according to claim 3, wherein the telescopic assembly comprises a cylinder and a telescopic tube sleeved inside the cylinder, one end of the cylinder is connected with the fixed plate in a matching way, and the other end of the cylinder is provided with a sliding block used for abutting against the swinging plate.
5. The headrest according to claim 4, wherein the swing plate is provided with a sliding groove near the fixed plate side, and the slider is hinged to the telescopic tube, and the slider is configured to move along the sliding groove via the telescopic tube.
6. The headrest according to claim 5, wherein said telescopic tube is provided with an iron block on a side close to said fixed plate, said cylinder is provided with a diaphragm on a side close to said swinging plate, said telescopic tube is disposed through said diaphragm, said diaphragm accommodates an electromagnetic coil winding on a side away from said iron block, and said telescopic tube is configured to be extended toward a side close to said swinging plate along an axis of said cylinder when said electromagnetic coil winding is energized.
7. The headrest according to claim 6, wherein an elastic member is provided between the iron block and the fixing plate to urge the telescopic tube to return to an initial position when the solenoid winding is de-energized.
8. The headrest according to claim 7, wherein the iron block is welded to the telescopic tube, and the telescopic tube is configured such that a length of the telescopic tube extending out of the operating cylinder is longest when the iron block abuts the diaphragm.
9. The headrest of claim 8, wherein the solenoid winding is electrically connected to the control assembly, and an impact signal is transmitted to the control assembly via an impact sensor to energize the solenoid winding.
10. A vehicle seat comprising a seat body and a headrest according to any one of claims 1 to 9, the headrest being disposed at a position of the seat body adjacent to a user's head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110503966.7A CN113147545B (en) | 2021-05-10 | 2021-05-10 | Headrest and automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110503966.7A CN113147545B (en) | 2021-05-10 | 2021-05-10 | Headrest and automobile seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113147545A true CN113147545A (en) | 2021-07-23 |
| CN113147545B CN113147545B (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110503966.7A Active CN113147545B (en) | 2021-05-10 | 2021-05-10 | Headrest and automobile seat |
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| Country | Link |
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| CN (1) | CN113147545B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734310A (en) * | 2009-12-30 | 2010-06-16 | 张士平 | Automatic anti-rollover safety device of two-wheeled motorcycle |
| CN102407789A (en) * | 2011-11-18 | 2012-04-11 | 江苏大学 | Electromagnetic drive type crash-active headrest and control method thereof |
| CN204398934U (en) * | 2014-12-06 | 2015-06-17 | 华蓥市正大汽配有限公司 | A kind of car seat headrest |
| CN105691260A (en) * | 2016-03-31 | 2016-06-22 | 王贺 | Functional seat headrest |
| CN105782393A (en) * | 2016-03-25 | 2016-07-20 | 柳超 | Electromagnetic extension rod |
| CN107433890A (en) * | 2016-04-27 | 2017-12-05 | 福特全球技术公司 | Extension type is rested the head on |
| CN208446166U (en) * | 2018-05-28 | 2019-02-01 | 中国人民解放军空军勤务学院 | A kind of environment simulator of agricultural breeding teaching |
| CN210881935U (en) * | 2019-11-26 | 2020-06-30 | 广州车影电子科技有限公司 | Mounting structure of vehicle-mounted holder |
-
2021
- 2021-05-10 CN CN202110503966.7A patent/CN113147545B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734310A (en) * | 2009-12-30 | 2010-06-16 | 张士平 | Automatic anti-rollover safety device of two-wheeled motorcycle |
| CN102407789A (en) * | 2011-11-18 | 2012-04-11 | 江苏大学 | Electromagnetic drive type crash-active headrest and control method thereof |
| CN204398934U (en) * | 2014-12-06 | 2015-06-17 | 华蓥市正大汽配有限公司 | A kind of car seat headrest |
| CN105782393A (en) * | 2016-03-25 | 2016-07-20 | 柳超 | Electromagnetic extension rod |
| CN105691260A (en) * | 2016-03-31 | 2016-06-22 | 王贺 | Functional seat headrest |
| CN107433890A (en) * | 2016-04-27 | 2017-12-05 | 福特全球技术公司 | Extension type is rested the head on |
| CN208446166U (en) * | 2018-05-28 | 2019-02-01 | 中国人民解放军空军勤务学院 | A kind of environment simulator of agricultural breeding teaching |
| CN210881935U (en) * | 2019-11-26 | 2020-06-30 | 广州车影电子科技有限公司 | Mounting structure of vehicle-mounted holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113147545B (en) | 2023-04-14 |
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