Novel height and angle adjusting mechanism for automobile headrest

By designing adjustment mechanisms for the left and right headrest rods, upper and lower crossbars, upper and lower gear blades, the problem of existing headrests being unable to adjust their angles has been solved, enabling the adjustment of the headrest's height and angle, thus improving its suitability and comfort.

CN223821539UActive Publication Date: 2026-01-23GRAMMER VEHICLE INTERIOR CHANGCHUN
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520251420.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-01-23
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing car headrests cannot be adjusted in angle, resulting in unsuitable and uncomfortable use.

Method used

An adjustment mechanism was designed, comprising a left headrest rod, a right headrest rod, an upper crossbar, a lower crossbar, an upper gear blade, and a lower gear blade. The headrest height and angle can be adjusted through gear engagement and the design of an open slot.

Benefits of technology

The headrest's height and angle are flexibly adjustable, meeting the needs for suitability and comfort.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223821539U_ABST
    Figure CN223821539U_ABST
Patent Text Reader

Abstract

The utility model aims to provide a novel height and angle adjusting mechanism for an automobile headrest, so that the height and angle adjusting function of the headrest is realized, and the defect that the angle of the headrest cannot be changed in the prior art is overcome. The upper cross rod penetrates through the upper hole of the left side headrest rod and the upper hole of the right side headrest rod, and the upper cross rod is fixedly riveted with the left side headrest rod and the right side headrest rod respectively; the upper cross rod penetrates through a lower hole of the left headrest rod and a lower hole of the right headrest rod, and the upper cross rod is riveted and fixed with the left headrest rod and the right headrest rod respectively; the upper gear blade is coaxially matched with the upper cross rod, and the upper gear blade can rotate around the upper cross rod; the lower gear blade is coaxially matched with the lower cross rod, and the lower gear blade can rotate around the upper cross rod; the front headrest shell is connected with the upper gear blade and the lower gear blade in a clamping manner; the adjustable headrest has the advantages that the function of manually controlling the headrest to adjust the height and the angle can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automotive interior, and relates to a novel height and angle adjusting mechanism of automobile headrest. BACKGROUND

[0002] The automobile headrest is an important component of the automotive interior and supports and protects the head of the passenger. The headrest is composed of a headrest foam, a plastic adjusting mechanism, a headrest shell and a headrest rod. The headrest rod is a carrier for fixing the headrest to the seat and is also a carrier for adjusting the headrest up and down and forward and backward. Generally, the headrest is adjusted in two directions of height and two directions of forward and backward, and cannot be adjusted in angle. Under this background, the novel height and angle adjusting mechanism of automobile headrest is developed. The headrest rod is simple to assemble and convenient to operate and can adjust the height and angle of the headrest. SUMMARY

[0003] The utility model discloses a novel height and angle adjusting mechanism of automobile headrest, which can adjust the height and angle of the headrest, make the headrest adjust to a suitable and comfortable position, and overcome the defect that the angle of the headrest cannot be changed.

[0004] The utility model discloses a novel height and angle adjusting mechanism of automobile headrest, which can adjust the height and angle of the headrest, make the headrest adjust to a suitable and comfortable position, and overcome the defect that the angle of the headrest cannot be changed.

[0005] A novel height and angle adjusting mechanism of automobile headrest, which comprises a left headrest rod 1, a right headrest rod 2, an upper horizontal rod 3, a lower horizontal rod 4, an upper gear leaf 5, a lower gear leaf 6 and a front headrest shell 7. The upper horizontal rod 3 passes through the first through hole 101 of the left headrest rod 1 and the upper hole 201 of the right headrest rod 2, and the upper horizontal rod 3 is riveted and fixed with the left headrest rod 1 and the right headrest rod 2 respectively. The lower horizontal rod 4 passes through the second through hole 102 of the left headrest rod 1 and the lower hole 202 of the right headrest rod 2, and the lower horizontal rod 4 is riveted and fixed with the left headrest rod 1 and the right headrest rod 2 respectively. The upper gear leaf 5 is coaxially matched with the upper horizontal rod 3, and the upper gear leaf 5 can rotate around the upper horizontal rod 3. The lower gear leaf 6 is coaxially matched with the lower horizontal rod 4, and the lower gear leaf 6 can rotate around the upper horizontal rod 3. The front headrest shell 7 is connected with the upper gear leaf 5 and the lower gear leaf 6 through clamping.

[0006] The left headrest rod 1 is a hollow pipe, and the first through hole 101 and the second through hole 102 are arranged on the upper side of the left headrest rod 1. The first open slot 103, the second open slot 104, the third open slot 105 and the fourth open slot 106 are longitudinally arranged on the lower side of the left headrest rod 1. Figure 4 The upper wall and the lower wall of the first open slot 103 are horizontal surfaces. Figure 4 The upper wall of the second open slot 104, the third open slot 105 and the fourth open slot 106 is a horizontal surface, and the lower wall is a slope.

[0007] The right headrest rod 2 is a hollow pipe without an opening slot; when the headrest is adjusted from bottom to top, the second opening slot 104, the third opening slot 105 and the fourth opening slot 106 are inclined, which plays a guiding role, and the headrest does not need to be unlocked when being adjusted from the lowest position to the highest position, and the headrest can be directly pulled upwards; when the headrest is adjusted to the highest position, the guide sleeve spring falls into the opening slot 103, and the headrest is locked due to the horizontal upper and lower walls of the opening slot 103, and the guide sleeve spring needs to be unlocked, so that the headrest can continue to be pulled upwards until it is pulled out of the seat; when the headrest is adjusted from top to bottom, the upper walls of the first opening slot 103, the second opening slot 104, the third opening slot 105 and the fourth opening slot 106 are horizontal, so the headrest is in a locked state when being adjusted from the highest position to the lowest position, and each gear position needs to be manually unlocked.

[0008] The upper gear blade 5 of the headrest makes a circular motion around the upper cross rod 3, and the lower gear blade 6 makes a circular motion around the lower cross rod 4, and since the front headrest shell 7 is connected with the upper gear blade 5 and the lower gear blade 6, the headrest can be angularly adjusted around the upper cross rod 3 and the lower cross rod 4 by pulling the front headrest shell 7.

[0009] The left headrest rod 1, the right headrest rod 2, the upper cross rod 3 and the lower cross rod 4 are metal parts.

[0010] The headrest height and angle adjusting mechanism has the advantages and positive effects that:

[0011] The headrest height and angle adjusting mechanism has the advantages and positive effects that: BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a novel automobile headrest height and angle adjusting mechanism assembly schematic view;

[0013] Figure 2 It is a novel automobile headrest height and angle adjusting mechanism assembly schematic view;

[0014] Figure 3 It is Figure 1 It is a front view of the left headrest rod 1 in the middle;

[0015] Figure 4 It is Figure 3 It is a side view of the left headrest rod 1 in the middle;

[0016] Figure 5 It is Figure 1 It is a structure schematic view of the right headrest rod 2 in the middle;

[0017] Figure 6is the assembly view of the headrest height, angle adjusting mechanism and the front headrest shell 7, upper gear blade 5, lower gear blade 6;

[0018] Figure 7 is the exploded view of the headrest height, angle adjusting mechanism and the front headrest shell 7, upper gear blade 5, lower gear blade 6; DETAILED DESCRIPTION

[0019] The utility model implementation makes further detailed description as follows in combination with the drawings:

[0020] 1. Refer to Figures 1-7 , a novel automobile headrest height, angle adjusting mechanism of the specific embodiment, its composition includes left side headrest rod 1, right side headrest rod 2, upper cross bar 3, lower cross bar 4, upper gear blade 5, lower gear blade 6 and front headrest shell 7;The upper cross bar 3 passes through the first through hole 101 of left side headrest rod 1 and the upper hole 201 of right side headrest rod 2, and the upper cross bar 3 is riveted and fixed with left side headrest rod 1 and right side headrest rod 2 respectively;The lower cross bar 4 passes through the second through hole 102 of left side headrest rod 1 and the lower hole 202 of right side headrest rod 2, and the lower cross bar 4 is riveted and fixed with left side headrest rod 1 and right side headrest rod 2 respectively;The upper gear blade 5 is coaxially matched with the upper cross bar 3, and the upper gear blade 5 can rotate around the upper cross bar 3;The lower gear blade 6 is coaxially matched with the lower cross bar 4, and the lower gear blade 6 can rotate around the upper cross bar 3;The front headrest shell 7 is connected with the upper gear blade 5 and the lower gear blade 6 by clamping.

[0021] Refer to Figure 3 and Figure 4 , the left side headrest rod 1 is a hollow pipe, and the upper side is provided with the first through hole 101 and the second through hole 102, and the lower side is longitudinally provided with the first open slot 103, the second open slot 104, the third open slot 105 and the fourth open slot 106 (as shown in Figure 4 ); The first open slot 103 is horizontally provided with the upper wall and the lower wall;The upper wall of the second open slot 104, the third open slot 105 and the fourth open slot 106 is horizontally provided, and the lower wall is a slope (as shown in Figure 4 );

[0022] The right side headrest rod 2 is a hollow pipe, and no opening groove is arranged on the right side headrest rod 2; when the headrest is adjusted from bottom to top, the lower wall of the second opening groove 104, the third opening groove 105 and the fourth opening groove 106 is a slope, which plays a guiding role, and the headrest does not need to be unlocked when being adjusted from the lowest position to the highest position, and the headrest can be directly pulled upwards; when the headrest is adjusted to the highest position, the guide sleeve spring falls into the opening groove 103, the upper and lower walls of the opening groove 103 are horizontal surfaces, the headrest is locked, the guide sleeve spring needs to be unlocked, and the headrest can continue to be upwards until the headrest is separated from the seat; when the headrest is adjusted from top to bottom, the upper wall of the first opening groove 103, the second opening groove 104, the third opening groove 105 and the fourth opening groove 106 is a horizontal surface, so that the headrest is in a locked state when being adjusted from the highest position to the lowest position, and each gear position needs to be manually unlocked.

[0023] The upper gear blade 5 of the headrest makes a circular motion around the upper cross rod 3, and the lower gear blade 6 makes a circular motion around the lower cross rod 4, and since the front headrest shell 7 is connected with the upper gear blade 5 and the lower gear blade 6, the headrest can be angularly adjusted around the upper cross rod 3 and the lower cross rod 4 by pulling the front headrest shell 7.

[0024] The left side headrest rod 1, the right side headrest rod 2, the upper cross rod 3 and the lower cross rod 4 are metal parts.

[0025] It should be emphasized that the embodiments of the utility model are illustrative rather than restrictive, and therefore the utility model includes but is not limited to the embodiments described in the specific embodiments, and any other embodiments derived by the person skilled in the art according to the technical scheme of the utility model also belong to the protection range of the utility model.

Claims

1. A novel automotive headrest height and angle adjustment mechanism, characterized in that... It consists of a left headrest rod (1), a right headrest rod (2), an upper crossbar (3), a lower crossbar (4), an upper gear blade (5), a lower gear blade (6), and a front headrest shell (7); the upper crossbar (3) passes through the first through hole (101) of the left headrest rod (1) and the upper hole (201) of the right headrest rod (2), and the upper crossbar (3) is riveted and fixed to the left headrest rod (1) and the right headrest rod (2) respectively; the lower crossbar (4) passes through the second through hole (101) of the left headrest rod (1). 02) and the lower hole (202) of the right headrest rod (2), the lower crossbar (4) is riveted and fixed to the left headrest rod (1) and the right headrest rod (2) respectively; the upper gear blade (5) is coaxially fitted with the upper crossbar (3), and the upper gear blade (5) can rotate around the upper crossbar (3); the lower gear blade (6) is coaxially fitted with the lower crossbar (4), and the lower gear blade (6) can rotate around the upper crossbar (3); the front headrest shell (7) is snapped and connected to the upper gear blade (5) and the lower gear blade (6).

2. The novel automotive headrest height and angle adjustment mechanism according to claim 1, characterized in that... The left headrest rod (1) is a hollow tube with a first through hole (101) and a second through hole (102) at the top and a first opening groove (103), a second opening groove (104), a third opening groove (105) and a fourth opening groove (106) at the bottom. The upper and lower walls of the first opening groove (103) are both horizontal. The upper walls of the second opening groove (104), the third opening groove (105) and the fourth opening groove (106) are horizontal, and the lower walls are sloping.

3. The novel automotive headrest height and angle adjustment mechanism according to claim 1, characterized in that... The left headrest bar (1), right headrest bar (2), upper crossbar (3), and lower crossbar (4) are all made of metal.