Electric lifting headrest assembly

Abstract

The electric lifting headrest assembly comprises a headrest module, the headrest module comprises a rear shell framework, a rear shell foam blocking piece, a front shell turnover mechanism and a front shell protecting face, the rear shell foam blocking piece is clamped in the center of one side of the rear shell framework, the front shell turnover mechanism is embedded in the middle of the rear shell foam blocking piece, and the front shell protecting face is connected with the rear shell foam blocking piece. The front shell protecting surface is clamped on one side of the front shell overturning mechanism; the front shell overturning mechanism comprises a middle support, one side of the middle support is in threaded connection with a first motor, the other side of the middle support is in threaded connection with a second motor, a first side support is fixed to the output end of the first motor, and a second side support is fixed to the output end of the second motor. And the first side edge bracket and the second side edge bracket are respectively buckled with two side edges of the inner side of the front shell protection surface. The utility model can be suitable for different use requirements, the use effect is improved, and the use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric lift headrest technical field, concretely is a kind of electric lift headrest assembly. BACKGROUND

[0002] Electric lift headrest is a kind of integrated in the electric adjusting device of car seat, can control the lift of headrest by motor. In the use of existing electric lift headrest, rely on headrest to provide human head support surface, but headrest support surface is the face structure of whole, although there is the curvature of one side, still cannot provide good applicability, difficult to apply different use needs, thus need to provide a kind of electric lift headrest to solve the above-mentioned drawbacks, to improve use effect. SUMMARY

[0003] The utility model aims at providing a kind of electric lift headrest assembly to solve the problem that the above background art proposes, in the use of existing electric lift headrest, rely on headrest to provide human head support surface, but headrest support surface is the face structure of whole, although there is the curvature of one side, still cannot provide good applicability, difficult to apply different use needs.

[0004] To solve the above technical problem, the utility model is realized by the following technical scheme:

[0005] The utility model is a kind of electric lift headrest assembly, comprising:

[0006] Headrest module, the headrest module includes rear shell skeleton, rear shell foam baffle, front shell turnover mechanism and front shell protective surface, the rear shell foam baffle is clamped in the central position of rear shell skeleton side, and front shell turnover mechanism is embedded in the middle part of rear shell foam baffle, the front shell protective surface is clamped in the side of front shell turnover mechanism;

[0007] The front shell turnover mechanism includes middle support, the first motor is connected on the side of the middle support by screw thread, the second motor is connected on the other side by screw thread, the output end of the first motor is fixed with first side edge support, and the output end of the second motor is fixed with second side edge support, the first side edge support, second side edge support are respectively buckled with the two side edges of the inner side of front shell protective surface.

[0008] Further, the front shell protective surface includes middle surface block, the side of the middle surface block, the other side is respectively hinged with first side edge surface block and second side edge surface block.

[0009] Further, the headrest module further includes rear shell foam and rear shell protective surface, the rear shell foam is clamped on the outside of rear shell skeleton, and the rear shell protective surface is clamped on the outside of rear shell foam.

[0010] Further, the lifting module comprises a longitudinal guide rail support, a lifting mechanism, a headrest rod lifting arm support, a rubber pad and an anti-loosening bolt, the lower end of the lifting mechanism is attached to the bottom end of the inner side of the longitudinal guide rail support, the anti-loosening bolt extends out of the lifting mechanism through the longitudinal guide rail support, the rubber pad is sleeved on the outer side of the anti-loosening bolt and is tightly attached to the lower end of the longitudinal guide rail support, and the headrest rod lifting arm support is arranged on the outer side of the upper end of the lifting mechanism.

[0011] Further, the lifting mechanism comprises a driving motor, the output end of the driving motor is fixed with a ball screw, the movable end of the ball screw is sleeved with the inner wall of the middle part of the headrest rod lifting arm support, the input end of the driving motor is electrically connected with a wire harness, and the other end of the wire harness is electrically connected with a butt joint.

[0012] Further, the end of one side of the lower end of the rear shell framework is fixed with a headrest rod, and the lower part of the headrest rod is penetrated through a U-shaped torsional spring, the U-shaped torsional spring extends into the cavities on the two sides of the headrest rod lifting arm support and abuts.

[0013] The utility model has the following beneficial effects:

[0014] The utility model discloses a front shell turnover mechanism, utilize the first motor, second motor of containing effect first side edge support, second side edge support, again transfer effect to first side edge face piece, second side edge face piece, can angle adjustment is carried out to first side edge face piece, second side edge face piece, and the different cambered surface structure of cooperation middle face piece forms to adapt to different use needs, improves use effect, satisfies use demand.

[0015] Based on the above beneficial effects, the lower part of the headrest rod is penetrated through a U-shaped torsional spring, the elastic force of the U-shaped torsional spring is relied on, and the abutting force formed by restoring deformation and the inner wall of the headrest rod lifting arm support is relied on, so that the structure of the headrest rod can be conveniently and quickly limited, compared with the sleeving and threaded connection mode, the connection mode can more conveniently and quickly complete disassembly and assembly, save time and effort, and improve work efficiency. ACCURACY OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0017] Figure 1 It is the explosion diagram of the utility model;

[0018] Figure 2 It is the lifting mechanism schematic view of the utility model;

[0019] Figure 3 It is the front shell turnover mechanism schematic view of the utility model;

[0020] Figure 4 It is the headrest descending schematic view of the utility model;

[0021] Figure 5 It is the headrest ascending schematic view of the utility model.

[0022] In the drawing, the component list represented by each sign is as follows:

[0023] In the drawing: 11, rear shell skeleton; 12, front shell foam blocking piece; 13, front shell turnover mechanism; 131, middle support; 132, first motor; 133, second motor; 134, first side edge support; 135, second side edge support; 14, front shell protective surface; 141, middle surface block; 142, first side edge surface block; 143, second side edge surface block; 15, rear shell foam; 16, rear shell protective surface; 17, headrest rod; 18, U-shaped torsional spring; 21, longitudinal guide rail support; 22, lifting mechanism; 221, driving motor; 222, ball screw; 223, wire harness; 224, butt joint; 23, headrest rod lifting arm support; 24, rubber pad; 25, anti-loosening bolt. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] To make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be further described in detail below with reference to the drawings.

[0026] Please refer to Figures 1-5 The utility model discloses an electric lifting headrest assembly, which comprises:

[0027] The headrest module comprises a rear shell skeleton 11, a rear shell foam 15 blocking piece, a front shell turnover mechanism 13 and a front shell protective surface 14.

[0028] The headrest module further comprises a rear shell foam 15 and a rear shell protective surface 16.

[0029] The rear shell skeleton 11 provides a mounting environment, the front shell foam stopper 12 is mounted by the front shell turnover mechanism 13, the front shell cover 14 is mounted by the front shell turnover mechanism 13, and the multi-angle adjustment of the front shell cover 14 is met to adapt to different human bodies, the rear shell foam 15 supports the rear shell cover 16, and the headrest frame is formed by the rear shell cover 16 and the front shell cover 14 to provide human head support.

[0030] The front shell turnover mechanism 13 comprises an intermediate support 131, one side of the intermediate support 131 is threadedly connected with a first motor 132, the other side is threadedly connected with a second motor 133, the output end of the first motor 132 is fixed with a first side edge support 134, and the output end of the second motor 133 is fixed with a second side edge support 135, and the first side edge support 134 and the second side edge support 135 are respectively buckled with two side edges inside the front shell cover 14.

[0031] The intermediate support 131 meets the installation of the structures of the first motor 132 and the second motor 133, the first side edge support 134 and the second side edge support 135 are provided with movable force by the first motor 132 and the second motor 133, and are transferred to the first side edge block 142 and the second side edge block 143 to adjust the angles thereof to meet different needs.

[0032] The front shell cover 14 comprises an intermediate block 141, one side and the other side of the intermediate block 141 are respectively hingedly connected with a first side edge block 142 and a second side edge block 143.

[0033] The intermediate block 141 movably connects the first side edge block 142 and the second side edge block 143 to adjust the angles thereof after being stressed to meet different needs.

[0034] The lifting module comprises a longitudinal guide rail support 21, a lifting mechanism 22, a headrest rod lifting arm support 23, a rubber pad 24 and an anti-loose bolt 25, the lower end of the lifting mechanism 22 is attached to the bottom end inside the longitudinal guide rail support 21, the anti-loose bolt 25 extends out of the lifting mechanism 22 through the longitudinal guide rail support 21, the rubber pad 24 is sleeved outside the anti-loose bolt 25 and tightly attached to the lower end of the longitudinal guide rail support 21, and the headrest rod lifting arm support 23 is arranged outside the upper end of the lifting mechanism 22.

[0035] The longitudinal guide rail support 21 cooperates with the rubber pad 24 to mount and fix the lifting mechanism 22 by the anti-loose bolt 25, the lifting mechanism 22 provides the lifting force required by the headrest, and the headrest rod lifting arm support 23 is used for force transmission of the lifting mechanism 22.

[0036] The lifting mechanism 22 comprises a driving motor 221, the output end of the driving motor 221 is fixed with a ball screw 222, the movable end of the ball screw 222 is sleeved with the inner wall of the middle part of the headrest rod lifting arm support, the input end of the driving motor 221 is electrically connected with a wire harness 223, and the other end of the wire harness 223 is electrically connected with a butt joint 224;

[0037] The driving motor 221 provides a power source, and is connected with the headrest rod lifting arm support 23 through the ball screw, so as to transmit force to the headrest rod 17.

[0038] Working principle: in the use process of the headrest, in order to meet the use requirement, the headrest can be adjusted in height, at this time, the controlled driving motor 221 is used to apply rotating force to the ball screw 222, the ball screw 222 converts the curved motion into linear motion and transmits it to the headrest rod lifting arm support 23, so as to link the headrest rod 17 to adjust the position up and down, that is, to adjust the height of the headrest by electricity, after adjusting to the required position, stop the operation of the driving motor 221, then, the controlled first motor 132 and second motor 133 are used to apply rotating force to the first side support 134 and second side support 135 respectively, and the first side block 142 and second side block 143 are used to adjust the angle, so as to meet the support requirement of the head.

[0039] The scheme can be applied to different use requirements, improve the use effect and meet the use requirement.

[0040] Please refer to Figures 1-5 In the embodiment, the end of one side of the lower end of the rear shell framework 11 is fixed with the headrest rod 17, the lower part of the headrest rod 17 penetrates the U-shaped torsional spring 18, the U-shaped torsional spring 18 extends into the cavities on both sides of the headrest rod lifting arm support 23 and abuts against the inner wall.

[0041] The headrest rod 17 connects the headrest and the lifting mechanism 22 through the U-shaped torsional spring 18, and is used to receive the transmitted force, so as to adjust the height of the headrest.

[0042] Working principle: when the headrest is connected with the lifting mechanism 22, the U-shaped torsional spring 18 is previously penetrated through the lower part of the headrest rod 17, a pressing force is applied to the U-shaped torsional spring 18, the U-shaped torsional spring 18 is compressed and can smoothly enter the cavities on both sides of the headrest rod lifting arm support 23, after the U-shaped torsional spring 18 recovers the deformation after the force is released, the U-shaped torsional spring 18 abuts against the inner wall on both sides of the headrest rod lifting arm support 23, which can ensure the stability of the structure of the headrest rod 17, and then the headrest is connected with the lifting mechanism 22, and the reverse step is applied when disassembling.

[0043] Compared with the sleeving and threaded connection mode, the connection mode can more conveniently and quickly complete the disassembly and assembly, save time and effort, and improve the work efficiency.

[0044] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments described. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. An electric lift headrest assembly, comprising: It includes: The headrest module includes a rear shell skeleton (11), a rear shell foam (15) stop sheet, a front shell turnover mechanism (13) and a front shell cover (14), the rear shell foam (15) stop sheet is clamped in the central position of one side of the rear shell skeleton (11), and the front shell turnover mechanism (13) is embedded in the middle of the rear shell foam (15) stop sheet, and the front shell cover (14) is clamped on one side of the front shell turnover mechanism (13); The front shell turnover mechanism (13) includes an intermediate support (131), one side of the intermediate support (131) is threadedly connected with a first motor (132), and the other side is threadedly connected with a second motor (133), the output end of the first motor (132) is fixed with a first side edge support (134), and the output end of the second motor (133) is fixed with a second side edge support (135), the first side edge support (134) and the second side edge support (135) are respectively buckled with the two side edges of the inner side of the front shell cover (14).

2. An electric lift headrest assembly as defined in claim 1, wherein: The front shell cover (14) includes an intermediate face block (141), one side and the other side of the intermediate face block (141) are respectively hinged with a first side edge face block (142) and a second side edge face block (143).

3. An electric lift headrest assembly as defined in claim 1, wherein: The headrest module further includes a rear shell foam (15) and a rear shell cover (16), the rear shell foam (15) is clamped on the outer side of the rear shell skeleton (11), and the rear shell cover (16) is clamped on the outer side of the rear shell foam (15).

4. An electric lift headrest assembly as defined in claim 1, wherein: It also includes a lifting module, the lifting module includes a longitudinal guide rail support (21), a lifting mechanism (22), a headrest rod lifting arm support (23), a rubber pad (24) and an anti-loose bolt (25), the lower end of the lifting mechanism (22) is attached to the inner side of the bottom end of the longitudinal guide rail support (21), and the anti-loose bolt (25) extends out of the lifting mechanism (22) through the longitudinal guide rail support (21), the rubber pad (24) is sleeved on the outer side of the anti-loose bolt (25) and tightly attached to the lower end of the longitudinal guide rail support (21), and the headrest rod lifting arm support (23) is arranged on the outer side of the upper end of the lifting mechanism (22).

5. An electric lift headrest assembly as claimed in claim 4, wherein: The lifting mechanism (22) includes a drive motor (221), the output end of the drive motor (221) is fixed with a ball screw (222), and the movable end of the ball screw (222) is sleeved with the inner wall of the middle of the headrest lifting arm support, the input end of the drive motor (221) is electrically connected with a wire harness (223), and the other end of the wire harness (223) is electrically connected with a butt joint (224).

6. An electric lift headrest assembly as defined in claim 1, wherein: The lower end of the rear shell skeleton (11) is fixed with a headrest rod (17), and the lower part of the headrest rod (17) is penetrated by a U-shaped torsional spring (18), the U-shaped torsional spring (18) extends into the cavities on both sides of the headrest lifting arm support and abuts.

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