CN116252693A - Seat headrest structure and vehicle - Google Patents

Abstract

The invention discloses a seat headrest structure, which comprises a headrest assembly and an adjusting device connected with the headrest assembly and used for adjusting the height of the headrest assembly, wherein the adjusting device comprises a motor assembly and a transmission mechanism connected with the motor assembly and the headrest assembly. According to the seat headrest structure, stepless adjustment of the headrest is realized, and the adjustment stroke of the headrest is improved, so that the texture of a product is improved. The invention also discloses a vehicle.

Description

Seat headrest structure and vehicle

technical field

The invention belongs to the technical field of auto parts, in particular, the invention relates to a seat headrest structure and a vehicle.

Background technique

At present, the seat headrests on automobiles are all manually adjusted up and down to match the height of passengers. Because the headrests are all 10mm or 15mm, they cannot be adjusted steplessly, and thus cannot satisfy each user to adjust to the most comfortable state, giving people the feeling that the headrest is either high or low. In addition, manual adjustment does not give users a sense of luxury, and the sense of quality and grade cannot be pulled away.

The patent document whose notification number is CN208658353U discloses a seat headrest adjustment device, including a headrest backboard, a seat backboard and a positioning part; the seat backboard is provided with a mounting groove and a tooth belt; The backboard of the headrest is embedded in the installation groove; the tooth belt is arranged on the side of the installation groove and extends from top to bottom along the backboard of the seat; a driving part is arranged on the backboard of the headrest; The positioning piece includes a protrusion, a positioning spring and a pressing block; the protrusion is provided with a lever; the locking bar is correspondingly fitted with the tooth belt; the positioning spring is pressed between the protrusion and the pressing block The pressing block is fixedly connected with the backboard of the headrest; the protrusion is matched with the driving part, and when the driving part slides up and down, the protrusion is driven to move away from the seat backboard, and the positioning spring is compressed, and the protrusion Drive the clamp bar to disengage the tooth belt; the device can adjust the height of the headrest to meet the needs of different users. The technical solutions disclosed in this patent document cannot solve the technical problems described above.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention provides a seat headrest structure, and the purpose is to realize stepless adjustment of the seat headrest.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: the seat headrest structure, including a headrest assembly and an adjustment device connected with the headrest assembly and used to adjust the height of the headrest assembly. The device includes a motor assembly and a transmission mechanism connected with the motor assembly and the headrest assembly.

The transmission mechanism includes a lead screw connected with the motor assembly and a sliding bracket forming a screw transmission with the lead screw, and the sliding support is connected with the headrest assembly.

The adjustment device also includes a guide bracket, the sliding bracket is slidingly connected to the guide bracket, and the motor assembly is arranged on the guide bracket.

The adjustment device also includes a fixed bracket, which is fixedly connected with the guide bracket, and the lead screw is rotatably arranged on the fixed bracket.

The two struts on the headrest assembly pass through the headrest guide sleeve, the two struts on the headrest assembly are fixedly connected with the sliding bracket, and the headrest guide sleeve is fixedly arranged in the metal conduit.

The metal conduit is fixedly connected with the connecting bracket, and the connecting bracket is fixedly connected with the backrest frame.

The present invention also provides a vehicle, including the seat headrest structure.

The seat headrest structure of the present invention realizes the stepless adjustment of the headrest, improves the adjustment stroke of the headrest, thereby improving the sense of quality.

Description of drawings

Fig. 1 is the structural representation of seat headrest structure of the present invention;

Fig. 2 is a partial structural schematic diagram of the seat headrest structure of the present invention;

Fig. 3 is the structural representation of adjustment device;

The marks in the above figures are: 1. Headrest guide sleeve; 2. Metal conduit; 3. Backrest frame; 4. Connecting bracket; 5. Headrest assembly; 6. Fixed bracket; 7. Screw rod; 8. Guide Bracket; 9, sliding bracket; 10, motor assembly.

Detailed ways

The specific embodiment of the present invention will be described in further detail by describing the embodiments below with reference to the accompanying drawings, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present invention, and contribute to its implementation.

It should be noted that when an element is said to be "fixed on" another element, it can be directly on the other element or there can be an intervening element, and when an element is said to be "connected" to another element, it can be Directly connected to another element or intervening elements may also be present, and the terms "vertical," "horizontal," "upper," "lower," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly connected by those skilled in the technical field of the present invention. The term knowledge used herein in the description of the present invention is intended to describe specific embodiments. For the purpose of not limiting the present invention, the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in Figures 1 to 3, the present invention provides a seat headrest structure, including a headrest assembly 5 and an adjustment device connected to the headrest assembly 5 and used to adjust the height of the headrest assembly 5, The adjusting device includes a motor assembly 10 and a transmission mechanism connected with the motor assembly 10 and the headrest assembly 5 .

Specifically, as shown in FIGS. 1 to 3 , the transmission mechanism includes a lead screw connected with the motor assembly 10 and a sliding bracket 9 forming a screw transmission with the lead screw, and the sliding bracket 9 is connected with the headrest assembly 5 . The adjustment device also includes a guide bracket 8 , the sliding bracket 9 is slidingly connected to the guide bracket 8 , and the motor assembly 10 is arranged on the guide bracket 8 . When the motor assembly 10 is energized, it drives the screw mandrel 7 to rotate, and the screw mandrel 7 drives the sliding bracket 9 to move upwards along the guide frame, and the sliding bracket 9 is fixed with the headrest assembly 5, so as to reach the upward movement purpose of the headrest. Because the start and stop of the rotation of the motor assembly 10 is controlled by the user's switch, when the headrest rises to a certain height, the stepless adjustment of the height of the headrest can be realized.

As shown in FIGS. 1 to 3 , the adjustment device further includes a fixed bracket 6 , which is fixedly connected to the guide bracket 8 , and the lead screw is rotatably arranged on the fixed bracket 6 . Fixed bracket 6 and guide bracket 8 welding assembly, its assembly is welded on the backrest framework 3 of automobile seat; One end of threaded screw thread that screw rod 7 passes through slide bracket 9 internal setting is fixed on fixed bracket 6, and the other end is connected with motor The output end of the assembly 10 is fixedly connected, and the motor assembly 10 is fixed on the guide bracket 8 by bolts.

As shown in Figures 1 to 3, the two struts on the headrest assembly 5 pass through the headrest guide sleeve 1, and the two struts on the headrest assembly 5 are fixedly connected with the sliding bracket 9, and the headrest guide sleeve 1 It is fixedly arranged in the metal conduit 2.

As shown in Figures 1 to 3, the metal conduit 2 and the connecting bracket 4 are welded into an assembly, and the formed assembly is then welded on the back frame 3 of the car seat, and the connecting bracket 4 is fixedly connected to the back frame 3.

When the motor assembly 10 is energized, the screw rod 7 is driven to rotate, the screw rod 7 is threadedly connected with the sliding bracket 9, and the sliding bracket 9 is driven to move along the guide bracket 8, the sliding bracket 9 is connected with the headrest assembly 5, and the sliding bracket 9 The movement drives the movement of the headrest assembly 5, and the user adjusts the upward stroke of the headrest by controlling the power-on time of the motor through the switch, so as to achieve the purpose of stepless speed regulation and avoid the problem of the headrest being too high or too low due to differences in human height.

The present invention also provides a vehicle, including the seat headrest structure of the above structure. The specific structure of the seat headrest structure can refer to FIG. 1 to FIG. 3 , and will not be repeated here. Since the vehicle of the present invention includes the seat headrest structure in the above embodiment, it has all the advantages of the above seat headrest structure.

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above methods, as long as various insubstantial improvements are adopted in the method concept and technical solutions of the present invention, or there is no improvement Directly applying the conception and technical solutions of the present invention to other occasions falls within the protection scope of the present invention.

Claims (7)

1. The utility model provides a seat headrest structure, includes the headrest assembly and is connected and be used for adjusting the high adjusting device of headrest assembly with the headrest assembly, its characterized in that: the adjusting device comprises a motor assembly and a transmission mechanism connected with the motor assembly and the headrest assembly.

2. The seat headrest structure according to claim 1, wherein: the transmission mechanism comprises a screw rod connected with the motor assembly and a sliding support which forms screw transmission with the screw rod, and the sliding support is connected with the headrest assembly.

3. The seat headrest structure according to claim 2, wherein: the adjusting device further comprises a guide support, the sliding support is in sliding connection with the guide support, and the motor assembly is arranged on the guide support.

4. A seat headrest structure as claimed in claim 3, wherein: the adjusting device further comprises a fixing support, the fixing support is fixedly connected with the guide support, and the screw rod is rotatably arranged on the fixing support.

5. The seat headrest structure according to claim 3 or 4, wherein: the two support rods on the headrest assembly penetrate through the headrest guide sleeve, the two support rods on the headrest assembly are fixedly connected with the sliding support, and the headrest guide sleeve is fixedly arranged in the metal guide tube.

6. The seat headrest structure according to claim 5, wherein: the metal conduit is fixedly connected with the connecting bracket, and the connecting bracket is fixedly connected with the backrest framework.

7. The vehicle is characterized in that: a seat headrest structure comprising any one of claims 1 to 6.

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