CN221366688U

CN221366688U - Electric actuator of automobile headrest

Info

Publication number: CN221366688U
Application number: CN202323660850.8U
Authority: CN
Inventors: 丁燕峰; 刘锋
Original assignee: Wuxi Daopuwei Control Cable Co ltd
Current assignee: Wuxi Daopuwei Control Cable Co ltd
Priority date: 2023-12-29
Filing date: 2023-12-29
Publication date: 2024-07-19
Anticipated expiration: 2033-12-29

Abstract

The utility model discloses an electric actuator of an automobile headrest, which comprises an actuator body and an actuating gear for unlocking, wherein the actuator body comprises a casing, a motor is installed in the casing, an output shaft of the motor is in transmission connection with a worm, a rotating shaft is rotatably installed in the casing, a worm wheel matched with the worm is installed on the rotating shaft, the gear is installed on the rotating shaft, a rack matched with the gear is arranged in the casing, and the front end of the rack extends out of the casing and is connected with the actuating gear for unlocking. Compared with the prior art, the utility model has the characteristics of simple structure, low manufacturing cost and small volume.

Description

Electric actuator of automobile headrest

Technical Field

The utility model relates to the technical field of actuators, in particular to an electric actuator of an automobile headrest.

Background

With the improvement of living standard of people, automobiles gradually replace bicycles and motorcycles, and become a main transportation means for people to travel. The automobile headrest is one of the fittings of the automobile, and is connected with the backrest framework through a headrest rod to provide support and safety protection for passengers. The existing automobile headrest is unlocked by the electric actuator abutting against the headrest lock, however, the electric actuator of the existing automobile headrest is generally complex in structure and large in size, and therefore, the problem needs to be solved urgently.

Disclosure of utility model

The present utility model is directed to solving the above-mentioned problems by providing an electric actuator for an automotive headrest.

The utility model aims at realizing the following technical scheme:

The utility model provides an electric actuator of car headrest, includes the executor body and is used for the execution gear of unblock, the executor body includes the casing, install the motor in the casing, the output shaft transmission of motor is connected with the worm, the pivot is installed to the casing rotatable, install in the pivot with worm matched with worm wheel, just install the gear in the pivot, be provided with in the casing with gear matched with rack, the front end of rack stretches out the casing to be connected with the execution gear that is used for the unblock.

As a preferable scheme of the utility model, the rack is connected with a sliding block, a sliding groove is formed in the machine shell along the moving direction of the execution gear, and the sliding block is connected in the sliding groove in a sliding way.

As a preferable scheme of the utility model, the shell is provided with a mounting support plate, and the mounting support plate is provided with mounting holes.

As a preferable scheme of the utility model, the shell is provided with an electrifying interface, and a blocking point which plays a role in preventing misplug is arranged in the electrifying interface.

As a preferable scheme of the utility model, the motor is a servo motor.

Compared with the prior art, the utility model has the advantages of simple structure, low manufacturing cost and small volume.

Drawings

Fig. 1 is a schematic perspective view of an electric actuator of an automotive headrest according to the present utility model;

FIG. 2 is a schematic view showing the internal structure of an electric actuator of an automotive headrest according to the present utility model;

Fig. 3 is a side view of an electric actuator of an automotive headrest of the present utility model.

In the figure:

1. An execution gear; 2. a housing; 3. a power-on interface; 4. a motor; 5. a worm; 6. a worm wheel; 7. a rotating shaft; 8. a gear; 9. a rack; 10. and (5) blocking points.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, mechanically connected, electrically connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 3, fig. 1 is a schematic perspective view of an electric actuator of an automotive headrest according to the present utility model; FIG. 2 is a schematic view showing the internal structure of an electric actuator of an automotive headrest according to the present utility model; fig. 3 is a side view of an electric actuator of an automotive headrest of the present utility model.

In this embodiment, an electric actuator of car headrest, including executor body and be used for the execution gear 1 of unblock, the executor body includes casing 2, install motor 4 in the casing 2, motor 4's output shaft transmission is connected with worm 5, the rotatable pivot 7 of installing of casing 2, install in the pivot 7 with worm 5 matched with worm wheel 6, just install gear 8 in the pivot 7, be provided with in the casing 2 with gear 8 matched with rack 9, the front end of rack 9 stretches out casing 2 to be connected with the execution gear 1 that is used for the unblock.

Specifically, in this embodiment, the rack 9 is connected with a sliding block, and a sliding groove is formed in the casing 2 along the moving direction of the execution gear 1, and the sliding block is slidably connected in the sliding groove.

Specifically, in this embodiment, the casing 2 is provided with a mounting support plate, and the mounting support plate is provided with a mounting hole.

Specifically, in this embodiment, the casing 2 is provided with an energizing interface 3, and a stop point 10 that plays a role in preventing misplug is disposed in the energizing interface 3.

Specifically, in this embodiment, the motor 4 is a servo motor.

During operation, the motor 4 drives the worm 5 to rotate, the worm wheel 6 is driven to rotate, the rotation of the worm wheel 6 drives the rotating shaft 7 to rotate, the gear 8 is driven to rotate, and the rack 9 is driven to move, so that the executing gear 1 is driven to move to abut against the headrest lock to unlock.

The electric actuator of the automobile headrest has the characteristics of simple structure and low manufacturing cost, is 95mm long, 76mm wide and 31mm high, has small whole volume and does not occupy installation space.

The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above embodiments, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides an electric actuator of car headrest, includes the executor body and is used for the execution gear of unblock, its characterized in that: the actuator body comprises a shell, a motor is installed in the shell, an output shaft of the motor is connected with a worm in a transmission manner, a rotating shaft is installed in the shell in a rotatable manner, a worm wheel matched with the worm is installed in the rotating shaft, a gear is installed in the rotating shaft, a rack matched with the gear is arranged in the shell, and the front end of the rack extends out of the shell and is connected with an execution gear for unlocking.

2. An electric actuator for an automotive headrest as claimed in claim 1, wherein: the rack is connected with a sliding block, a sliding groove is formed in the machine shell along the moving direction of the execution gear, and the sliding block is connected in the sliding groove in a sliding mode.

3. An electric actuator for an automotive headrest as claimed in claim 1, wherein: the shell is provided with a mounting support plate, and the mounting support plate is provided with mounting holes.

4. An electric actuator for an automotive headrest as claimed in claim 1, wherein: the casing is provided with an energizing interface, and a blocking point which plays a role in preventing misplug is arranged in the energizing interface.

5. An electric actuator for an automotive headrest as claimed in any one of claims 1 to 4, characterised in that: the motor is a servo motor.