CN212765869U - Automobile seat headrest device with three-gear angle adjusting function - Google Patents

Abstract

The utility model discloses a car seat headrest device with three keep off angle regulatory function, including fixing the headrest pipe guide pin bushing on back skeleton top, the headrest pipe has been alternate in the headrest pipe guide pin bushing, headrest pipe top side fixed connection pipe one, a connecting pipe left end is rotated and is installed guard shield one, and a connecting pipe right side surface rotation installs guard shield two, it has connecting pipe two still to fixedly connected with between guard shield one and the guard shield two, and guard shield one and guard shield two all hide in the seat headrest, the welding has the regulating wheel subassembly on the connecting pipe one, two internal fixed surface mounting in guard shield have the regulating jaw subassembly, be equipped with three fender position that is used for joint regulating jaw subassembly on the regulating wheel subassembly, when the three fender position of regulating jaw subassembly card on the regulating wheel subassembly, the angle of regulation of headrest is 8 °, 16 °, 24 respectively, the biggest corner of headrest is 44, the utility model discloses have three fender angle modulation functions, practical comfortable, convenient operation.

Description

Automobile seat headrest device with three-gear angle adjusting function

Technical Field

The utility model relates to an auto-parts field, in particular to car seat headrest device with three keep off angle regulatory function.

Background

The headrest of the seat is the most important design link in the seat design, and has the functions of facilitating the rest and relaxing the head of a passenger depending on the head of the passenger, bringing comfort to the passenger and preventing the head and the neck of the passenger from being injured by inertia or violent collision when an automobile collides. Although the existing seat headrest can be adjusted forwards and backwards, the adjustment angles of some headrests are not well controlled, and the other multi-gear adjustment structure is complex and inconvenient to operate, so that the convenient service requirements of passengers cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a car seat headrest device with three fender angle regulatory function, this seat headrest have the three angle regulatory function who keeps off the position, and the comfort level is high, and the rib is effectual.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a headrest device of an automobile seat with a three-gear angle adjusting function comprises a headrest tube guide sleeve fixed at the top end of a backrest framework, a headrest tube is inserted into the headrest tube guide sleeve, a first connecting tube is fixed on the side surface of the top of the headrest tube, a first shield is rotatably arranged at the left end of the first connecting tube, a second protective cover is rotatably arranged at the right end of the first connecting pipe, a second connecting pipe is fixedly connected between the first protective cover and the second protective cover, the first shield and the second shield are both hidden in the seat headrest, the first connecting pipe is welded with an adjusting wheel assembly, an adjusting claw component is fixedly arranged on the inner surface of the second shield, three gears for clamping the adjusting claw component are arranged on the adjusting wheel component, when the adjusting claw assembly is clamped at three gears on the adjusting wheel assembly, the adjusting angles of the headrest are respectively 8 degrees, 16 degrees and 24 degrees, and the maximum rotation angle of the headrest is 44 degrees.

Preferably, the regulating wheel subassembly is including fixing the regulating wheel body on connecting pipe one, regulating wheel body one side is equipped with tooth's socket one, tooth's socket two, tooth's socket three and tooth's socket four in proper order, be equipped with the regulating wheel round pin axle on the side that the regulating wheel body is close to guard shield one, the arc wall has been seted up on the guard shield one, the regulating wheel round pin axle run through in the arc wall, the regulating claw subassembly includes the regulating claw body of through fix with rivet on a guard shield side, regulating claw body one end is equipped with the claw and colludes, the claw colludes the three fender position that can constitute the headrest with tooth's socket two, tooth's socket three.

Preferably, the first connecting pipe penetrates through the first shield to be fixed with a connecting plate, a limiting hole is formed in the connecting plate, the adjusting wheel pin shaft is arranged in the limiting hole in a sliding mode, a connecting plate blocking point is arranged at the top end of the connecting plate, and when the claw hook is separated from the first tooth groove and continues to rotate, the connecting plate blocking point abuts against the adjusting claw pin shaft.

Preferably, a torsion spring is arranged on the first connecting pipe, one end of the torsion spring is fixed on the second shield, and the other end of the torsion spring is fixed on the first connecting pipe.

Preferably, the headrest tube guide sleeves are provided with two groups, the headrest tube is of a U-shaped structure, and two ends of the headrest tube are respectively sleeved in the two groups of headrest tube guide sleeves.

Preferably, the adjusting wheel body is provided with a positioning hole matched with the first connecting pipe, the outer peripheral surface of the adjusting claw pin shaft is provided with an annular gap, and the connecting plate is provided with a connecting hole matched with the first connecting pipe.

Adopt above-mentioned technical scheme, through mutually supporting of regulation claw subassembly and regulating wheel subassembly, realize the angle modulation that 8 °, 16 and 24 three fender position of headrest, enlarge application scope, improve the comfort level that the headrest used, possess 20 idle stroke simultaneously, improve the safety in utilization.

The utility model discloses a mode structure easy operation that the connecting plate withstood the regulating jaw round pin axle and realized the headrest return with the torsion spring cooperation, spare part is safe in utilization less.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a structural diagram of the adjusting pawl assembly of the present invention;

FIG. 3 is a structural diagram of an adjusting wheel assembly of the present invention;

FIG. 4 is a structural diagram of the middle connection plate of the present invention;

fig. 5 is an assembly view of the adjusting wheel assembly, the adjusting claw assembly and the connecting plate of the present invention.

In the figure, 1-headrest tube guide sleeve, 2-headrest tube, 3-connecting tube I, 4-connecting tube II, 5-adjusting wheel assembly, 6-adjusting claw assembly, 7-shield I, 8-shield II, 9-connecting plate, 51-adjusting wheel body, 52-positioning hole, 53-adjusting wheel pin shaft, 54-tooth space I, 55-tooth space II, 56-tooth space III, 57-tooth space IV, 61-adjusting claw body, 62-claw hook, 63-adjusting claw pin shaft, 64-notch, 91-connecting plate blocking point, 92-limiting hole and 93-connecting hole.

Detailed Description

The following description of the present invention will be made with reference to the accompanying drawings 1-5. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model provides an automobile seat headrest device with three-gear angle adjusting function, which comprises a headrest tube guide sleeve 1 fixed at the top end of a backrest framework, a headrest tube 2 is inserted in the headrest tube guide sleeve 1, a first connecting tube 3 is fixed at the top side surface of the headrest tube 2, a first shield 7 is rotatably installed at the left end of the first connecting tube 3, a second shield 8 is rotatably installed at the right end of the first connecting tube 3, a second connecting tube 4 is fixedly connected between the first shield 7 and the second shield 8, and the first shield 7 and the second shield 8 are both hidden in the seat headrest, so that when the seat headrest rotates, the first shield 7 and the second shield 8 synchronously rotate through the second connecting tube 4, an adjusting wheel assembly 5 is welded on the first connecting tube 3, an adjusting claw assembly 6 is fixedly installed on the inner surface of the second shield 8, three gears for clamping the adjusting claw assembly 6 are arranged on the adjusting wheel assembly 5, when the adjusting claw assembly 6 is clamped at three gears on the adjusting wheel assembly 5, the adjusting angles of the headrest are respectively 8 degrees, 16 degrees and 24 degrees, and the maximum adjusting angle of the headrest is 44 degrees, wherein the 20-degree angle between 24 degrees and 44 degrees is the adjusting angle for resetting the headrest. Regulating wheel subassembly 5 is including fixing the regulating wheel body 51 on connecting pipe 3, regulating wheel body 51 one side is equipped with tooth's socket 54, tooth's socket two 55, three 56 in tooth's socket and four 57 in tooth's socket in proper order, regulating wheel body 51 is close to and is equipped with regulating wheel round pin axle 53 on the side of guard shield one 7, the arc wall has been seted up on guard shield one 7, regulating wheel round pin axle 53 run through in the arc wall, when guard shield one 7 and guard shield two 8 rotate, regulating claw body 61 slides between each tooth's socket for regulating wheel body 51, and regulating claw round pin axle 63 rocks in the arc wall, regulating claw subassembly 6 includes the regulating claw body 61 of fixing on guard shield one 7 side through the rivet, regulating claw body 61 one end is equipped with claw 62, claw 62 can constitute the three fender position of headrest with tooth's socket two 55, three 56 in tooth's socket, four 57 joints, works as claw 62 and a tooth's socket 54, When the tooth socket II 55 and the tooth socket III 56 are mutually clamped, the adjustment of three gears is realized, when the claw hook 62 is clamped with the tooth socket IV 57, the headrest is located at the last position, and when the claw hook 62 is clamped with the tooth socket I54, the headrest reaches the adjustable maximum gear.

The connecting pipe I3 penetrates through the first shield 7 to be fixed with the connecting plate 9, a limiting hole 92 is formed in the connecting plate 9, the adjusting wheel pin shaft 53 is arranged in the limiting hole 92 in a sliding mode, a connecting plate blocking point 91 is arranged at the top end of the connecting plate 9, when the claw hook 62 is separated from the first tooth groove 54 and continues to rotate, the connecting plate blocking point 91 abuts against the adjusting claw pin shaft 63, when the claw hook 62 is separated from the first tooth groove 54 and continues to adjust forwards, the adjusting wheel pin shaft 53 contacts with the rearmost end of the limiting hole 92 and drives the connecting plate 9 to move backwards until the connecting plate blocking point 91 abuts against the adjusting claw pin shaft 63, the first shield 7 and the second shield 8 stop rotating, the headrest reaches the foremost position, and the headrest can.

The connecting pipe I3 is provided with a torsion spring, one end of the torsion spring is fixed on the second shield 8, the other end of the torsion spring is fixed on the connecting pipe I3, the torsion spring provides restoring elasticity for the resetting of the headrest, and the difficulty of the resetting of the headrest is reduced.

The headrest tube guide sleeves 1 are provided with two groups, the headrest tubes 2 are of U-shaped structures, and two ends of each headrest tube 2 are respectively sleeved in the two groups of headrest tube guide sleeves 1.

The adjusting wheel body 51 is provided with a positioning hole 52 matched with the first connecting pipe 3, the outer peripheral surface of the adjusting claw pin shaft 63 is provided with an annular gap 64, and the connecting plate 9 is provided with a connecting hole 93 matched with the first connecting pipe 3.

The working principle is as follows:

pulling the seat headrest, the seat headrest drives the first shield 7, the second shield 8 and the second connecting pipe 4 to synchronously rotate, the second shield 8 drives the adjusting claw assembly 6 to rotate, the torsion spring on the first shield 7 deforms, the connecting plate 9 and the first connecting pipe 3 are fixed, the position of the adjusting wheel assembly 5 on the adjusting claw assembly 6 changes, the adjusting wheel pin shaft 53 swings in the arc-shaped groove to realize clamping between the claw and each tooth groove, when the claw hook 62 on the adjusting claw body 61 hooks the four tooth groove 57, the headrest is in an initial state, when the claw hook 62 hooks the three tooth groove 56, the headrest rotates by 8 degrees, when the claw hook 62 hooks the two tooth groove 55, the headrest rotates by 16 degrees, when the claw hook 62 hooks the first tooth groove 54, the headrest rotates by 24 degrees, when the claw hook 62 is separated from the first tooth groove 54, the forward adjustment is continued, the adjusting wheel pin shaft 53 moves to a limit position in the limiting hole 92 of the connecting pipe relative to the first shield 3 and the connecting plate, and drive connecting plate 9 backward movement until connecting plate fender point 91 withstands adjusting claw round pin axle 63, the claw 62 fixed position on the adjusting claw body 61 no longer contacts with each tooth's socket, guard I7 and guard II 8 stop rotating, the headrest is rotated 42 and is arrived foremost position, unclamp the headrest at this moment and can reset under torsion spring's effect.

The embodiments of the present invention have been described in detail with reference to fig. 1 to 5, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (5)

1. The utility model provides a car seat headrest device with three keep off angle regulatory function, is including fixing the headrest pipe guide pin bushing on back skeleton top, its characterized in that: the utility model discloses a seat headrest assembly, including headrest pipe, connecting pipe, two internal surface rotation of protecting cover, adjusting pawl subassembly are installed to two internal surface rotation, be equipped with three fender position that are used for joint adjusting pawl subassembly on the adjusting wheel subassembly, when adjusting.

2. The headrest apparatus for vehicle seats having a three-speed angle adjustment function according to claim 1, wherein: the regulating wheel subassembly is including fixing the regulating wheel body on connecting pipe one, regulating wheel body one side is equipped with tooth's socket one, tooth's socket two, tooth's socket three and tooth's socket four in proper order, be equipped with the regulating wheel round pin axle on the side that the regulating wheel body is close to guard shield one, the arc wall has been seted up on the guard shield one, the regulating wheel round pin axle run through in the arc wall, the regulating claw subassembly includes the regulating claw body through fix with rivet on a guard shield side, regulating claw body one end is equipped with the claw and colludes, the claw colludes the three fender position that can constitute the headrest with tooth's socket two, tooth's socket three.

3. The headrest apparatus for vehicle seats having a three-speed angle adjustment function according to claim 2, wherein: the first connecting pipe penetrates through the first shield to be fixedly provided with a connecting plate, a limiting hole is formed in the connecting plate, the adjusting wheel pin shaft is arranged in the limiting hole in a sliding mode, a connecting plate blocking point is arranged at the top end of the connecting plate, and when the claw hook is separated from the first tooth groove and continues to rotate, the connecting plate blocking point abuts against the adjusting claw pin shaft.

4. The headrest apparatus for car seats with three-gear angle adjustment function according to claim 3, wherein: and a torsion spring is arranged on the first connecting pipe, one end of the torsion spring is fixed on the second shield, and the other end of the torsion spring is fixed on the first connecting pipe.

5. The headrest apparatus for vehicle seats having a three-speed angle adjustment function according to claim 1, wherein: the headrest tube guide sleeves are provided with two groups, the headrest tube is of a U-shaped structure, and two ends of the headrest tube are respectively sleeved in the two groups of headrest tube guide sleeves.

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