CN219214803U - Automobile electric headrest lifting mechanism - Google Patents

Abstract

The utility model discloses an automobile electric headrest lifting mechanism, which belongs to the technical field of automobile parts and comprises a fixed support connected with a seat framework, a motor support connected with the fixed support, a motor arranged on the motor support, a headrest tray connected with the motor, and a spring arranged on the headrest tray and used for clamping a headrest tube, wherein the motor support is connected with the fixed support through a rubber sleeve structure with tolerance, and the rubber sleeve structure comprises a rubber sleeve, a shaft sleeve arranged in the rubber sleeve and a bolt arranged in the shaft sleeve and used for fixed connection; the utility model has compact overall layout and strong universality, can be arranged on most seat frameworks, has simpler tolerance, avoids shaking or abnormal sound, reduces the requirement on manufacturing capacity, improves the qualification rate of the mechanism assembly, reduces the failure probability of the mechanism assembly, ensures that the mechanism assembly is simpler and more effective in design, and improves the silence and comfort of the internal space of the automobile.

Description

Automobile electric headrest lifting mechanism

Technical Field

The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile electric headrest lifting mechanism.

Background

Currently, with the gradual increase of the requirements of people for car seat functions, such as taste requirements, more and more high-end seat control functions, such as electric headrest lifting, electric backrest adjustment, electric seat height adjustment, electric leg rest adjustment, and the like, are increasingly commonly applied to car seats. And the low-end vehicle type also starts to promote the grade and the luxury sense of whole car through increasing more seat electric control units, promotes the control travelling comfort of driver and member.

However, the mechanism for providing electric lifting for the automobile headrest is complex, the assembly process of the seat production line is complicated, the working hours are long, and the lifting mechanism cannot exist in an independent module form, so that the high-end automobile type seat framework platform and the low-end automobile type seat framework platform cannot be used for realizing the maximum degree of universality easily; when the electric lifting mechanism operates, shake and abnormal sound are often generated, and in addition, under the condition that the manufacturing and assembly tolerances of the metal framework of the seat back are difficult to ensure, the problem that the motor pushing resistance is overlarge due to overlarge screw rod stress occurs in the lifting process of the headrest.

Therefore, there is a need to design an electric headrest elevating mechanism for an automobile to improve upon the above-described problems.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the automobile electric headrest lifting mechanism which is compact in structure, good in tolerance and strong in universality.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an automobile electric headrest elevating system, includes the fixed bolster of being connected with the seat skeleton, with the motor support of fixed bolster connection, set up motor on the motor support, with the headrest tray of motor connection, set up the spring that is used for the joint pillow pipe on the headrest tray, the motor support through the rubber sleeve structure of tolerance with the fixed bolster is connected, the rubber sleeve structure includes the rubber sleeve, sets up the axle sleeve in the rubber sleeve, sets up the bolt that is used for fixed connection in the axle sleeve.

Preferably, the motor support is U-shaped, one end of the motor support is connected with the fixed support through the rubber sleeve structure, and the other end of the motor support is connected with the seat framework through the rubber sleeve structure.

In a preferred aspect of the present utility model, the sleeve is formed with an umbrella-shaped outer edge which can engage with the end portion of the bolt.

Preferably, the motor is a screw motor.

Preferably, the shaft sleeve is a plastic piece or a metal piece.

Preferably, the headrest tray is symmetrically provided with counter bores for connecting headrest rods on both sides.

By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:

1. the automobile electric headrest lifting mechanism is compact in overall layout and high in universality, and can be arranged on most seat frameworks;

2. the automobile electric headrest lifting mechanism omits a slide way of the traditional lifting mechanism, has simpler and more reliable structure and stronger economy;

3. according to the automobile electric headrest lifting mechanism, the problem of tolerance control is solved through the rubber sleeve structure, the tolerance is simpler, and shaking or abnormal sound is avoided;

4. the automobile electric headrest lifting mechanism reduces the requirement on the manufacturing capability, improves the qualification rate of the mechanism assembly, reduces the failure probability of the mechanism assembly, and ensures that the mechanism assembly is simpler and more effective in design;

5. the lifting mechanism of the automobile electric headrest improves silence and comfort of the inner space of the automobile.

Drawings

Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is another schematic structural view of the present utility model;

FIG. 5 is an exploded view of the present utility model;

wherein reference numerals include: the fixing support 1, the motor support 2, the motor 3, the headrest tray 4, the spring 5, the rubber sleeve structure 6, the counter bore 41, the rubber sleeve 61, the shaft sleeve 62, the umbrella-shaped outer edge 621 and the bolt 63.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It is noted that all of the figures are exemplary representations. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

Referring to fig. 1 to 5, the utility model provides an automobile electric headrest lifting mechanism, which comprises a fixed support 1, a motor support 2, a motor 3, a headrest tray 4, a spring 5 and a rubber sleeve structure 6, wherein the fixed support 1 is welded with a seat framework, the motor support 2 is connected with the fixed support 1 through the rubber sleeve structure 6, the motor 3 is arranged on the U-shaped bottom of the motor support 2, the motor 3 is preferably a screw motor, the headrest tray 4 is connected with a screw rod of the motor 3 and moves up and down by virtue of the driving of the motor 3, counter bores 41 for connecting headrest rods are symmetrically formed on two sides of the headrest tray 4, and the spring 5 is arranged on the counter bores 41 of the headrest tray 4 and is used for clamping a headrest pipe.

The motor support 2 is the U-shaped, and the one end of U-shaped passes through rubber sleeve structure 6 with fixed bolster 1 connects, and the other end passes through rubber sleeve structure 6 is connected with the seat skeleton, realizes the stability of three-point fixation through three rubber sleeve structure 6, rubber sleeve structure 6 includes rubber sleeve 61, sets up the axle sleeve 62 in rubber sleeve 61, sets up the bolt 63 that is used for fixed connection in axle sleeve 62, be formed with umbrella form outer edge 621 on the axle sleeve 62, umbrella form outer edge 621 can block the tip of bolt 63, axle sleeve 62 is working of plastics or metalwork.

The rubber sleeve structure 6 is arranged in the mounting hole of the motor bracket 2, plays a role of fixed connection, also plays a role of shock absorption, noise reduction and vibration prevention, has a tolerance function, and solves the problem that the motor pushing resistance is overlarge in the headrest lifting process when a headrest lifting mechanism using a screw motor is difficult to guarantee under the conditions that the manufacturing and assembly tolerances of a seat back metal framework are difficult to guarantee, the traditional problems are caused by limited process capability, the tolerance in the assembly is difficult to control, the two headrest rods are pulled or extruded between a headrest tray and a screw rod to cause the stress of the screw rod, and further, the pushing resistance of the mechanism is increased.

The utility model has more compact overall layout and stronger universality, can be arranged on most seat frameworks, omits a lifting 'slideway' compared with most headrest lifting mechanisms in other markets, solves the problem of tolerance control from the tolerance angle, solves the problem from the control angle, has simpler tolerance, stronger economy and stronger wide applicability compared with strict control, and realizes the main body supporting structure by only using one motor bracket 2 and three rubber sleeve structures 6, thereby meeting the functional requirements.

The working principle of the present utility model will be described below with reference to fig. 1 to 5.

The headrest rod of the seat headrest is inserted into the counter bores 41 on two sides of the headrest tray 4, the motor 3 drives the headrest tray 4 to move, and then the seat headrest is driven to move along the guide structure of the seat backrest, and tolerance is carried out through the rubber sleeve structure 6 in the moving process, so that the effects of damping, noise reduction and jitter prevention are achieved.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (6)

1. The utility model provides an automobile electric headrest elevating system, its characterized in that, include the fixed bolster of being connected with the seat skeleton, with fixed bolster connection's motor support, set up motor on the motor support, with the headrest tray of motor connection, set up the spring that is used for joint pillow pipe on the headrest tray, the motor support through the rubber cover structure of tolerance with fixed bolster connection, the rubber cover structure includes the rubber cover, sets up the axle sleeve in the rubber cover, sets up the bolt that is used for fixed connection in the axle sleeve.

2. The lifting mechanism for an electric headrest of an automobile according to claim 1, wherein the motor support is in a U shape, one end of the motor support is connected with the fixing support through the rubber sleeve structure, and the other end of the motor support is connected with the seat framework through the rubber sleeve structure.

3. The automotive power headrest lifting mechanism of claim 1, wherein the sleeve has an umbrella-shaped outer edge formed thereon, the umbrella-shaped outer edge being adapted to engage the end of the bolt.

4. The automotive power headrest lifting mechanism of claim 1, wherein the motor is a lead screw motor.

5. A car power headrest lifting mechanism as claimed in claim 3 wherein the sleeve is a plastics or metal member.

6. The elevating system of an electric headrest for a vehicle according to claim 1, wherein the headrest tray is symmetrically formed with counterbores for connecting headrest rods at both sides thereof.

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