CN219668031U

CN219668031U - Headrest flank angle adjustment mechanism

Info

Publication number: CN219668031U
Application number: CN202320982781.3U
Authority: CN
Inventors: 独行雷; 吴景焰; 赵红宇
Original assignee: Chongqing Honghui Auto Parts Co ltd
Current assignee: Chongqing Honghui Auto Parts Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-12
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a headrest side wing angle adjusting mechanism, which comprises a headrest main body, wherein the headrest main body is arranged on a seat through a headrest rod, the left side and the right side of the headrest main body are hinged with side wing adjusting frames, one end of each side wing adjusting frame extends into the headrest main body and is arranged on a sliding block at the corresponding side, the two sliding blocks move left and right through a moving assembly arranged in the headrest main body, the moving directions of the two sliding blocks are opposite, the other end of the side wing adjusting frame is sleeved with a side wing bracket positioned at the outer side of the headrest main body, the outer sides of the two side wing brackets are independently sleeved with side wing sleeves with foaming, and the headrest main body is sleeved with a headrest sleeve with foaming; when two sliders move in opposite directions under the action of the moving assembly, the two side wing supports are far away from each other, when the two sliders move in opposite directions under the action of the moving assembly, the two side wing supports are close to each other, the structure is simple, normal adjustment of the side wing angles is achieved, and meanwhile the situation that the head pillow case is blocked can not occur.

Description

Headrest flank angle adjustment mechanism

Technical Field

The utility model belongs to the technical field of seat accessories, and particularly relates to a headrest side wing angle adjusting mechanism.

Background

In order to enable the headrest to be suitable for different users, side wings are arranged on the left side and the right side of the headrest, and the angles of the side wings can be adjusted. In the prior art, the side wings are hinged to the left end and the right end of the headrest main body through hinge structures, so that the side wings can rotate, and the supporting range of the headrest is adjusted. As in chinese patent CN211641957U, an electric side wing adjusting mechanism for a front headrest is disclosed, and specifically, a fixing plate and two support plates are disclosed, a driving assembly for realizing rotation of the support plates relative to the fixing plate is disposed in the fixing plate, wherein the support plates are rotationally connected with the fixing plate through hinges. This structure is complicated to when concrete use, can set up the headrest cover as whole suit outside backup pad and fixed plate, when rotation angle is great, can appear great clearance because of rotating between backup pad and the fixed plate, the headrest cover is impressed in the clearance simultaneously, not only fragile headrest cover, still easily the card is dead in the hinge, thereby leads to drive assembly unable continuation work, and then can't bring comfortable experience for the passenger.

Disclosure of Invention

The utility model aims to provide a side wing angle adjusting mechanism of a headrest, which not only can realize the adjustment of the side wing angle, but also can not cause the locking of a headrest sleeve, thereby ensuring the normal adjustment of the side wing angle and further providing more comfortable experience for passengers.

The technical scheme adopted by the utility model is as follows: the utility model provides a headrest flank angle adjustment mechanism, includes the headrest main part, the headrest main part passes through the headrest pole and sets up on the seat, the left and right sides of headrest main part all articulates has the flank alignment jig, and the one end of every flank alignment jig stretches into in the headrest main part and sets up on the slider of corresponding side, and two sliders realize controlling the removal through the removal subassembly that sets up in the headrest main part, and the removal opposite direction of two sliders, the other end cover of flank alignment jig is equipped with the flank support that is located the headrest main part outside, and the outer cover of two flank supports is equipped with the flank cover that has the foaming alone, headrest main part overcoat is equipped with the headrest cover that has the foaming; when two sliding blocks move in opposite directions under the action of the moving assembly, the two side wing supports are far away from each other, and when the two sliding blocks move in opposite directions under the action of the moving assembly, the two side wing supports are close to each other, so that the angle adjustment between the two side wings is realized.

As the preference of above-mentioned scheme, the flank alignment jig is including the flank installation section that is used for installing the flank support that sets gradually, be used for realizing that flank alignment jig and headrest main part articulated section and be used for realizing flank alignment jig pivoted section, articulated section sets up on headrest main part through the dead axle that passes articulated section, it sets up to the door-type to rotate the section, and the slider can pass through from the middle part of rotating the section, all be provided with the pivot strip hole along stabilizer blade extending direction on two stabilizer blades of rotating the section, screw up on the slider after every flank alignment jig all passes the pivot strip hole that corresponds through two relative pivot bolts that set up from top to bottom.

Further preferably, the sliding blocks are arranged into T-shaped blocks with large front parts and small rear parts, guide rail grooves for each sliding block to move left and right are formed in the headrest main body, the upper side and the lower side of the small end of each sliding block are matched with the guide rail grooves, and the side wing adjusting frames are arranged at the large ends of the sliding blocks.

Further preferably, the moving assembly comprises a driving motor arranged in the headrest main body, the left side and the right side of the driving motor are respectively provided with a screw rod extending towards the corresponding side, the rotation directions of the screw rods on the two sides are opposite, the two sides of the headrest main body are respectively provided with a supporting hole for supporting the screw rods to be far away from one end of the driving motor, each sliding block is in threaded connection with the screw rod on the corresponding side, and when the driving motor works, the two sliding blocks can be driven to move in opposite directions or in opposite directions through the screw rods.

Still preferably, the headrest body comprises a headrest frame, a rear cover is arranged at the rear side of the headrest frame, a headrest rod transverse groove for fixing the upper end of a headrest rod and extending left and right is arranged on the rear cover, headrest rod vertical grooves for fixing the headrest rod are arranged at the left side and the right side of the lower end of the headrest frame, the headrest rod is arranged between the rear cover and the headrest frame and penetrates through the lower end of the rear cover, a front cover plate is arranged at the front side of the headrest frame, and each side wing adjusting frame is hinged to the corresponding side of the front cover plate.

Further preferably, the front cover plate is provided with a first clamping strip which is backwards arranged and used for installing the front cover plate, the front side surface of the headrest frame is provided with a first clamping seat for clamping the first clamping strip into the headrest frame, the rear cover shell is provided with a second clamping strip which is forwards arranged and used for installing the rear cover shell, the front side surface of the headrest frame is provided with a second clamping seat for clamping the second clamping strip into the headrest frame, and a fixing screw is further arranged between the rear cover shell and the headrest frame.

Further preferably, an ECU module for driving the moving assembly to work is provided in the headrest body, and an operation key for controlling the ECU module to work is provided outside the headrest body.

The utility model has the beneficial effects that: the structure is simple, the side wing sleeves and the head pillow case can be separated through the arrangement of the side wing adjusting frame, so that the side wings can be effectively prevented from being blocked between rotating gaps when rotating, the side wings can be guaranteed to be subjected to normal angle adjustment, and the user experience is improved; through the movement of the two sliding blocks which are electrically regulated, the stepless regulation of the side wings is realized, the condition that the side wings fall back under the action of external force after the angle of the side wings is determined can be prevented, and the side wings on the left side and the right side can be effectively guaranteed to have the same regulating angles.

Drawings

Fig. 1 is a schematic representation of the present utility model (when the wing bracket is not rotated).

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is an illustration of the present utility model (after a side wing bracket has been rotated a certain angle).

Fig. 4 is a bottom view of fig. 1.

Fig. 5 is a bottom view of fig. 3.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1 to 5, a headrest side wing angle adjusting mechanism is mainly composed of a headrest body, a headrest rod 2, a side wing adjusting bracket 11, a slider 8, a side wing bracket 12 and a moving assembly, wherein the headrest body is provided on a seat through the headrest rod 2.

In order to realize the installation of flank, all articulate in the left and right sides of headrest main part has flank alignment jig 11, and the one end of every flank alignment jig 11 stretches into in the headrest main part and sets up on the slider 8 of corresponding side, and the another pot head of flank alignment jig 11 is equipped with the flank support 12 that is located the headrest main part outside, and adopts the mode of joint to connect between flank support 12 and the flank alignment jig 11, all overlaps alone outside two flank supports 12 and is equipped with the flank cover that has the foaming, is equipped with the headrest cover that has the foaming at headrest main part overcoat simultaneously.

In order to realize the rotation of flank support, two sliders 8 set up in the headrest main part to realize controlling the removal through the removal subassembly that sets up in the headrest main part, and the direction of movement of two sliders 8 is opposite, namely when two sliders 8 are moved in opposite directions under the effect of removal subassembly, two flank supports 12 keep away from each other, and when two sliders 8 are moved in opposite directions under the effect of removal subassembly, two flank supports are close to each other.

The specific structure of the moving assembly comprises a driving motor 10 arranged in the headrest main body, screw rods 15 extending towards the corresponding sides are arranged on the left side and the right side of the driving motor 10, and the screw rods 15 on the two sides are opposite in rotation direction. In order to prevent the support of the screw rod, support holes b for supporting the screw rod 15 away from one end of the driving motor are formed in two sides of the headrest body, each sliding block 8 is in threaded connection with the screw rod 15 on the corresponding side, and when the driving motor 10 works, the two sliding blocks 8 can be driven to move in opposite directions or in opposite directions through the screw rod 15.

In order to reduce parts, the wing adjusting frame 11 comprises a wing mounting section 11a for mounting the wing bracket 12, a hinge section 11b for realizing the hinge connection of the wing adjusting frame 11 and the headrest main body and a rotating section 11c for realizing the rotation of the wing adjusting frame 11, which are sequentially arranged, wherein an obtuse angle smaller than 180 DEG is arranged between the wing mounting section 11a and the rotating section 11c, the hinge section is arranged as a transition fillet between the wing mounting section 11a and the rotating section 11c, the hinge section 11b is arranged on the headrest main body through a dead axle 9 passing through the hinge section 11b, the rotating section 11c is arranged as a door, the sliding block 8 can pass through the middle part of the rotating section 11c, rotating shaft strip holes 11d along the extending direction of the supporting legs are formed in two supporting legs of the rotating section 11c, each wing adjusting frame 11 is screwed on the sliding block 8 after passing through the corresponding rotating shaft strip holes 11d through two corresponding rotating shaft bolts 7 which are arranged up and down, and the setting of the rotating shaft strip holes can ensure that the wing adjusting frame can rotate around the dead axle stably.

For facilitating the left-right sliding of the sliding blocks, the sliding blocks 8 are arranged into T-shaped blocks with big front and small back, guide rail grooves a for each sliding block 8 to move left and right are arranged in the headrest main body, the upper side and the lower side of the small end of each sliding block 8 are matched with the guide rail grooves a, and correspondingly, the side wing adjusting frames 11 are arranged at the big end of the sliding blocks 8.

To facilitate the installation of the components located in the headrest body, the headrest body is composed of a headrest frame 1, a rear cover 4 provided at the rear side of the headrest frame 1, and a front cover 13 provided at the front side of the headrest frame 1. In order to realize the installation between the headrest frame and the front cover plate, a first clamping strip 13a which is backwards arranged on the front cover plate 13 and used for installing the front cover plate 13 is arranged on the front side surface of the headrest frame 1, and a first clamping seat 1b for clamping the first clamping strip 13a into the installation is arranged on the front side surface of the headrest frame, namely, the front cover plate is clamped on the headrest frame. In order to realize the installation between the headrest frame and the rear cover shell, a second clamping strip 4b which is forwards arranged on the rear cover shell 4 and used for installing the rear cover shell 4 is arranged on the front side surface of the headrest frame 1, a second clamping seat 1c for clamping the second clamping strip 4b into the installation is arranged on the headrest frame, namely the rear cover shell is clamped on the headrest frame, and meanwhile, in order to prevent the rear cover shell from falling off, a fixing screw 5 is also arranged between the rear cover shell 4 and the headrest frame 1.

The headrest rod 2 is disposed between the rear housing 4 and the headrest frame 1 and passes through the lower end of the rear housing 4. Specifically, the rear cover 4 is provided with a headrest rod horizontal groove 4a for fixing the upper end of the headrest rod 2 and extending laterally, and headrest rod vertical grooves 1a for fixing the headrest rod 2 are provided on the left and right sides of the lower end of the headrest frame 1.

Each flank adjusting frame 11 is hinged on the corresponding side of the front cover plate 13, specifically, two lugs 13b for hinging the flank adjusting frames are arranged on the upper side of the left side and the right side of the front cover plate at intervals, and a dead axle clamp spring 6 is arranged after one end of the dead axle sequentially passes through the first lug, the hinging section and the second lug.

The movable assembly is arranged on the headrest frame, in particular, the driving motor is clamped on the front side of the headrest frame, and the supporting hole and the guide groove are correspondingly arranged on the front side of the headrest frame. Meanwhile, for facilitating the operation of the driving and moving assembly, an ECU module for sending driving signals to the driving motor is arranged between the rear housing and the headrest frame, and meanwhile, an operation key 14 for controlling the ECU module 3 to operate is arranged on any one of the left and right outer side surfaces of the headrest frame.

Claims

1. The utility model provides a headrest flank angle adjustment mechanism, includes headrest main part, headrest main part passes through headrest pole (2) and sets up on the seat, its characterized in that: the left side and the right side of the headrest main body are hinged with side wing adjusting frames (11), one end of each side wing adjusting frame (11) stretches into the headrest main body and is arranged on a sliding block (8) on the corresponding side, the two sliding blocks (8) move left and right through a moving assembly arranged in the headrest main body, the moving directions of the two sliding blocks (8) are opposite, the other end of each side wing adjusting frame (11) is sleeved with a side wing bracket (12) positioned on the outer side of the headrest main body, a side wing sleeve with foaming is sleeved outside each side wing bracket (12), and a headrest sleeve with foaming is sleeved outside the headrest main body; when the two sliding blocks (8) move towards each other under the action of the moving assembly, the two side wing brackets (12) are far away from each other, and when the two sliding blocks (8) move away from each other under the action of the moving assembly, the two side wing brackets are close to each other.

2. The headrest side wing angle adjustment mechanism according to claim 1, wherein: the side wing adjusting frame (11) comprises side wing installing sections (11 a) for installing side wing brackets (12), hinge sections (11 b) for realizing hinge connection of the side wing adjusting frames (11) and a headrest main body and rotating sections (11 c) for realizing rotation of the side wing adjusting frames (11), the hinge sections (11 b) are arranged on the headrest main body through fixed shafts (9) penetrating through the hinge sections (11 b), the rotating sections (11 c) are arranged to be door-shaped, the sliding blocks (8) can pass through the middle parts of the rotating sections (11 c), rotating shaft strip holes (11 d) along the extending directions of the supporting legs are formed in two supporting legs of the rotating sections (11 c), and each side wing adjusting frame (11) is screwed on the sliding blocks (8) after penetrating through the corresponding rotating shaft strip holes (11 d) through two corresponding rotating shaft bolts (7) which are arranged up and down.

3. The headrest side wing angle adjustment mechanism according to claim 1, wherein: the sliding blocks (8) are arranged into T-shaped blocks with large front parts and small rear parts, guide rail grooves (a) for each sliding block (8) to move left and right are formed in the headrest main body, the upper side and the lower side of the small end of each sliding block (8) are matched with the guide rail grooves (a), and the side wing adjusting frames (11) are arranged at the large ends of the sliding blocks (8).

4. The headrest side wing angle adjustment mechanism according to claim 1, wherein: the movable assembly comprises a driving motor (10) arranged in a headrest main body, screw rods (15) extending towards corresponding sides are arranged on the left side and the right side of the driving motor (10), the screw rods (15) on the two sides are opposite in rotation direction, supporting holes (b) for supporting the screw rods (15) to be away from one end of the driving motor are formed in the two sides of the headrest main body, each sliding block (8) is connected onto the screw rod (15) on the corresponding side in a threaded mode, and when the driving motor (10) works, the two sliding blocks (8) can be driven to move in opposite directions or in opposite directions through the screw rods (15).

5. The headrest side wing angle adjustment mechanism according to claim 1, wherein: the headrest main part includes headrest frame (1), the rear side of headrest frame (1) is provided with back housing (4), be provided with on back housing (4) and supply headrest pole (2) upper end fixed and left and right extension's headrest pole transverse groove (4 a), the left and right sides of headrest frame (1) lower extreme is provided with headrest pole vertical groove (1 a) that are used for fixed headrest pole (2), headrest pole (2) set up between back housing (4) and headrest frame (1) and pass the lower extreme of back housing (4), the front side of headrest frame (1) is provided with preceding apron (13), and every flank alignment jig (11) articulates on preceding apron (13) corresponds the side.

6. The headrest side wing angle adjustment mechanism according to claim 5, wherein: the novel headrest is characterized in that a first clamping strip (13 a) for installing the front cover plate (13) is arranged on the front cover plate (13), a first clamping seat (1 b) for clamping the first clamping strip (13 a) into the headrest frame (1) is arranged on the front side surface of the headrest frame (1), a second clamping strip (4 b) for installing the rear cover (4) is arranged on the rear cover (4) forwards, a second clamping seat (1 c) for clamping the second clamping strip (4 b) into the headrest frame (1) is arranged on the front side surface of the headrest frame (1), and a fixing screw (5) is further arranged between the rear cover (4) and the headrest frame (1).

7. The headrest side wing angle adjustment mechanism according to claim 1, wherein: the headrest is characterized in that an ECU module (3) for driving the moving assembly to work is arranged in the headrest body, and an operation key (14) for controlling the ECU module (3) to work is arranged on the outer side of the headrest body.