CN202491703U

CN202491703U - Automobile seat

Info

Publication number: CN202491703U
Application number: CN201120514259XU
Authority: CN
Inventors: 孙贺亮; 赵金山
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-12
Filing date: 2011-12-12
Publication date: 2012-10-17
Anticipated expiration: 2021-12-12

Abstract

The utility model discloses an automobile seat comprising a seat body, a seat headrest part, and a headrest folding mechanism connected between the seat body and the seat headrest. The headrest folding mechanism comprises a headrest rod directly connected with the seat headrest part; a headrest guide sleeve, which is embedded in the seat body, and can be used to accommodate the headrest rod; an overturn seat, which can be used to adjust the relative position of the headrest rod and the headrest guide sleeve to realize the folding function; a supporting seat, which is disposed on a top of the headrest guide sleeve, and can be used to bear the overturn seat. The overturn seat comprises a square seat body, a headrest rod locking device disposed on a top of the seat body, and a rotary shaft capable of rotating the overturn seat with respect to the supporting seat. The utility model is advantageous in that a better safety performance is provided, a mechanism capable of folding forwards is disposed on the seat headrest part; when the seat is not occupied, the seat headrest part can be folded forwards, therefore the influence on the visual field of the passengers on the rear row can be reduced, and the uncomfortable feelings of passengers can be eliminated. The automobile seat has advantages of convenient installation and low costs.

Description

A kind of automotive seat

Technical field

The utility model relates to a kind of automotive seat, particularly a kind of automotive seat of folding headrest forward.

Background technology

As everyone knows, the headrest on the automotive seat has the effect of following two aspects: at first, headrest plays a supportive role, and it provides the parts that can lean on to head of passenger; Secondly, headrest is parts that play the safety guard-safeguard effect on the seat, in contingency, during such as collision endergonic effect is arranged, and alleviates head of passenger and cervical injuries.Therefore, the importance of headrest is self-evident.

At present; " about the unified regulation with regard to seat, seat attachment point and headrest aspect approval vehicle " (being ECER17) in the relevant automotive technology rules and other concerned countries standards have exacting requirements to the minimum altitude of headrest; Be that front stall must be greater than 800mm to the last outline line size of headrest extreme lower position from seating reference point, this size of back seat must be greater than 750mm.The requirement of this type relevant laws and regulations has improved the validity of headrest passive protection function; But back row passenger's sight line is also stopped because of increasing of front-seat height of headrest; Back row occupant has sense of depression easily in car like this, and is uncomfortable when the person of lining up is ridden after causing, and makes also that in addition back row occupant's the visual field is limited; When traffic dangerous state occurring, may can not remind the driver because of seeing.

Therefore, in fact be necessary to produce a kind of simple in structure, easy to use, with low cost and can adjust headrest positions, thereby the visual field that back row passenger is taken is unrestricted and the automotive seat of ride comfort.

The utility model content

The purpose of the utility model provides a kind of automotive seat that can adjust headrest positions and arranges the passenger because of the unsighted sense of discomfort of bringing with after eliminating in the car.

To achieve these goals; The automotive seat of the utility model are such design-calculateds: a kind of automotive seat; This seat comprise seat body, chair headrest portion and be connected seat body and chair headrest portion between the headrest fold mechanism; The headrest fold mechanism comprises the head rest pole that directly links to each other with chair headrest portion, be embedded in the headrest guide pin bushing that is used for ccontaining head rest pole among the seat body, adjustment head rest pole and headrest guide pin bushing relative position are with the overturning seat of realization folder function and be located at the supporting base that the guide pin bushing top of resting the head on is used to carry overturning seat; Overturning seat comprises the pedestal of a square, is located at the head rest pole lock at pedestal top and makes that overturning seat can be with respect to the rotating shaft of supporting base rotation.

The both ends of the surface of the pedestal of said square and the parallel sidewalls of supporting base.

The pedestal of said square is provided with clamping device, fixedly the relative position of head rest pole and pedestal.

The position of said head rest pole in the headrest guide pin bushing can be through said head rest pole lock free adjustment.

The automotive seat of the utility model not only have preferable safety performance; Also disposed folding forward mechanism in chair headrest portion; The headrest portion of folding seat forward; Reduce of the influence of headrest portion, eliminate passenger's sense of discomfort, and the automotive seat of the utility model are easy for installation, with low cost back row's passenger view.

Description of drawings

To combine accompanying drawing that the specific embodiment of the utility model is at length explained below, wherein:

Fig. 1 is the headrest fold mechanism overall schematic of the automotive seat of the utility model;

Fig. 2-1, Fig. 2-2, Fig. 2-3 are respectively headrest fold mechanism overturning seat and the movement decomposition figure of the relative rotary course of supporting base thereof of the automotive seat of the utility model.

The specific embodiment

The automotive seat of the utility model comprise seat body, chair headrest portion and be connected seat body and chair headrest portion between headrest fold mechanism 1.

As shown in Figure 1, said headrest fold mechanism 1 comprises the head rest pole 10 that directly links to each other with chair headrest portion, be embedded in the headrest guide pin bushing 12 that is used for ccontaining head rest pole 10 among the seat body, adjustment head rest pole 10 and headrest guide pin bushing 12 relative positions are with the overturning seat 14 of realizing folder function and be located at the supporting base 16 that headrest guide pin bushing 12 tops are used to carry overturning seat 14.See also Fig. 2, said overturning seat 14 comprises the pedestal 140 of a square, is located at the head rest pole lock 142 at pedestal 140 tops and makes that overturning seat 14 can be with respect to the rotating shaft 144 of supporting base 16 rotations.Overturning seat 14 is the square shape of hollow structure, and its end face and bottom surface are equipped with circular open, and the internal diameter of this opening matches with the external diameter of head rest pole 10.The cube that is not provided with top cover and this cube antetheca that the shape of supporting base 16 is roughly a hollow have a breach, and the width of said breach matches with the external diameter of head rest pole 10.

The diapire of said supporting base 16 also is provided with a circular open that matches with the external diameter of head rest pole 10; And the circular open of end face and bottom surface is concentric on this circular open and the overturning seat 14, gets into the headrest guide pin bushing 12 that is embedded among the seat body to make things convenient for head rest pole 10 to pass overturning seat 14 and supporting base 16.In use, can realize purpose that the height of head rest pole 10 is freely adjusted, reach chucking head rest pole lock 142 behind the preset height, accomplish adjusting chair headrest portion height through unclamping head rest pole lock 142.Folding seat headrest portion if desired; Mention end position on labour contractor's occipitalia; Do not rested the head on the on the whole constraint of guide pin bushing 12 of head rest pole 10 this moment, so head rest pole 10 can upset forward under the drive of overturning seat 14, the antetheca indentation, there that said head rest pole 10 gets into supporting bases 16.When overturning seat 14 rotates about 90 °, supporting base 16 will stop that head rest pole 10 continues turnover downwards, the final condition after head rest pole 10 arrival are folding, thus realize the folder function forward of chair headrest portion.Preferably, pedestal 140 is provided with clamping device, and fixedly the relative position of head rest pole 10 and pedestal 140 makes head rest pole 10 in case the location can not change its position owing to the vibrations in the vehicle traveling process.

It will be appreciated by those skilled in the art that; Can also be designed to the cylindrical shape pedestal to the pedestal 140 of above-mentioned overturning seat 14; This cylindrical shape pedestal and supporting base 16 articulates, and the axis of said cylindrical shape pedestal is parallel with said rotating shaft 144, i.e. the parallel sidewalls of the both ends of the surface of cylindrical shape pedestal and supporting base 16.The contour structures cylindraceous of cylindrical shape pedestal itself just can substitute the function of rotating shaft 144 like this, therefore can omit rotating shaft 144, reaches the design-calculated purpose of further simplification the utility model.The cylindrical shape pedestal can form axle sleeve through the columnar structured and supporting base 16 of self and cooperate also and can rotate with respect to supporting base 16 easily.Compare with existing automobile seat; The automotive seat of the utility model not only can satisfy the regulation of " about the unified regulation with regard to seat, seat attachment point and headrest aspect approval vehicle " and other concerned countries standards; Have preferable safety performance, also disposed folding forward mechanism, when seat nobody takes advantage of in chair headrest portion; The headrest portion of folding seat forward; Reduce of the influence of headrest portion, eliminate passenger's sense of discomfort, and the automotive seat of the utility model are easy for installation, with low cost back row's passenger view.

Claims

1. automotive seat; This seat comprise seat body, chair headrest portion and be connected seat body and chair headrest portion between the headrest fold mechanism; It is characterized in that; The headrest fold mechanism comprises the head rest pole that directly links to each other with chair headrest portion, be embedded in the headrest guide pin bushing that is used for ccontaining head rest pole among the seat body, adjustment head rest pole and headrest guide pin bushing relative position are with the overturning seat of realization folder function and be located at the supporting base that the guide pin bushing top of resting the head on is used to carry overturning seat; Overturning seat comprises the pedestal of a square, is located at the head rest pole lock at pedestal top and makes that overturning seat can be with respect to the rotating shaft of supporting base rotation.

2. automotive seat according to claim 1 is characterized in that, the both ends of the surface of the pedestal of said square and the parallel sidewalls of supporting base.

3. automotive seat according to claim 2 is characterized in that the pedestal of said square is provided with clamping device, fixedly the relative position of head rest pole and pedestal.

4. automotive seat according to claim 1 is characterized in that, the position of said head rest pole in the headrest guide pin bushing can be through said head rest pole lock free adjustment.