CN205306462U

CN205306462U - Chair

Info

Publication number: CN205306462U
Application number: CN201521015249.6U
Authority: CN
Inventors: 姜国梁
Original assignee: Beijing Liri Office Appliance Co Ltd
Current assignee: Beijing Liri Office Appliance Co Ltd
Priority date: 2015-12-09
Filing date: 2015-12-09
Publication date: 2016-06-15
Anticipated expiration: 2025-12-09

Abstract

The utility model discloses a chair, including chair frame and set up the headrest on the chair frame, the chair was put up ball hinge structure and was connected with a headrest, and was formed with between headrest and the chair frame and supplies headrest pivoted clearance, and ball hinge structure is equipped with the clamping unit of fixed activity angle of resting the head on, the utility model discloses well headrest passes through ball hinge structure can an angle regulation to satisfy the required different postures of head, borrow this to improve the quality that people had a rest, and the clearance of the existence between headrest and the chair frame provides interval for the angle regulation who gives the headrest, borrows the angle regulation of this increase headrest.

Description

Chair

Technical field

This utility model relates to a kind of furniture, is specifically related to a kind of chair.

Background technology

Chair, all extremely common with when working in daily life, its application is very extensive, it mainly includes chair frame, seat and the headrest being arranged in chair frame to contact with human body head, and people are everlasting after work has a rest, and are often leaned against by head and have a rest on headrest, and be completely fixed between headrest of the prior art and table frame, therefore when people lean against headrest carries out rest time, headrest cannot well adapt to people have a rest posture, cause the rest quality reducing people.

In view of this, one one kinds of chaise longues rested the head on active head restraint and waist disclosed in the patent document (referred to hereinafter as documents 1) that publication number is CN104337267A, including chaise longue backrest, seat board, handrail and chaise longue lower limb, chaise longue backrest both sides backrest temple upper surface is respectively provided with upper and lower two sliding tray frameworks, equally distributed sliding tray projection it is provided with in sliding tray, the tenon of headrest and waist pillow two ends is arranged in sliding tray, it is possible to slides up and down and is stuck in sliding tray by sliding tray projection.

Chaise longue in documents 1 is owing to being mounted with the sliding tray framework with sliding tray projection, the position can rested the head on according to the position adjustment waist of the height of people and waist, cervical vertebra and rest the head on, but, chaise longue in documents 1 but can not regulate the angle of headrest, because the height of headrest is not only required by the posture that human body is comfortable on chaise longue, also the angles of headrest is required, and when using this chaise longue, in documents 1, headrest still can not regulate to the angle allowing human body be in the most comfortable posture.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is in that to provide a kind of chair, its adjustable-angle of resting the head on, and to meet the different gestures needed for head, improves the quality that people have a rest whereby.

For achieving the above object, this utility model provides following technical scheme:

A kind of chair, including chair frame and be arranged at the headrest in chair frame, described chair frame is connected to a headrest by ball-joint structure, described headrest is by the angle between ball-joint structure scalable itself and chair frame, and between described headrest and chair frame, it being formed for the gap that described headrest rotates, described ball-joint structure is provided with the secure component of the activity point of view of fixing headrest.

Can arrange further: described ball-joint structure includes the bulb being fixed in chair frame and the split type ball-and-socket being fixed on headrest, described split type ball-and-socket holds described bulb and suitable with bulb profile, and the hatch bore diameter of described split type ball-and-socket is less than the diameter of the bulb of globular hinge head.

Can arrange further: described secure component includes the fastener hole running through described split type ball-and-socket sidewall and the securing member coordinated with fastener hole, described securing member can precession or screw out fastener hole to regulate the anglec of rotation of described bulb.

Can arranging further: described securing member is set to clamping screw, described fastener hole is set to constitute, with described clamping screw, the internal thread hole threadeded.

Can arrange further: the surface of described bulb is provided with some holes, location constituting grafting with clamping screw,

Clamping screw and location hole grafting, described bulb is fixed;

Clamping screw departs from hole, location, described ball motion.

Can arrange further: described ball-joint structure includes the split type ball-and-socket being fixed in chair frame and the bulb being fixed on headrest, described split type ball-and-socket holds described bulb and suitable with bulb profile, and the hatch bore diameter of described split type ball-and-socket is less than the diameter of the bulb of globular hinge head.

Can arrange further: it is protruding that the middle part of described headrest is provided with one.

Can arrange further: described convex outer surface is that arc-shaped is arranged.

Pass through technique scheme, headrest in this utility model can regulate the angle between itself and chair frame by ball-joint structure, whereby, when the head of human body leans against and rests the head on upper, the adjustment of the angle of headrest just can meet the different gestures needed for head, improve the quality that people have a rest whereby, when headrest regulates to the angle that the head comfort level of human body can be allowed to improve, the just fixing headrest of available secure component, pillow holder is made to schedule this angle, the headrest that head can lean against this angle always is had a rest, and when head needs other posture to carry out rest, it is controlled by regulating secure component, headrest is rotated by ball-joint, until regulating to the high angle of head comfortableness, then, secure component is utilized again ball-joint structure to be fixed, the angle of fixing whereby headrest, and the gap of the existence between headrest and chair frame is to provide interval to the adjusting angle of headrest, increase the adjusting angle of headrest whereby.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model embodiment 1;

Fig. 2 is the side view of this utility model embodiment 1;

Fig. 3 is the enlarged drawing in A portion in Fig. 2;

Fig. 4 is the structural representation of ball-joint structure in this utility model embodiment 1;

Fig. 5 is Fig. 4 middle section figure B-B;

Fig. 6 is the structural representation of the ball-joint structure of embodiment 3.

In figure: 1, chair frame; 2, headrest; 3, ball-joint structure; 31, split type ball-and-socket; 32, clamping screw; 33, bulb; 4, protruding.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, it is further elucidated with this utility model, it should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model, after having read this utility model, the amendment of the various equivalent form of values of the present utility model is all fallen within the application claims limited range by those skilled in the art.

Embodiment 1:

According to Fig. 1, a kind of chair, it includes chair frame 1, and chair frame 1 is provided with horizontally disposed seat, in addition, chair frame 1 is further fixed on headrest 2, in the present embodiment, the area of headrest 2 is bigger, it is possible to the backrest as chair uses, in the present embodiment, chair frame 1 and seat can be selected for wood materials and make. In addition, according to Fig. 2, this headrest 2 is fixed in chair frame 1 by ball-joint structure 3, the adjustment of angle between headrest 2 and chair frame 1 can be realized whereby, when the head of people lean against headrest 2 on carry out rest time, the ball-joint structure 3 that the head of people can pass through to rest the head between 2 and chair frame 1 regulates the angle that head is suitable, to regulate to the posture making head comfortable, improve rest quality whereby, in addition, interval for increasing the adjustment of angle between headrest 2 and chair frame 1, therefore it is formed with gap between chair frame 1 and headrest 2.

Concrete, in conjunction with Fig. 2 to shown in 5, ball-joint structure 3 includes bulb 33 and split type ball-and-socket 31, shown in Fig. 5, split type ball-and-socket 31 holds this bulb 33 and the external shape fits with bulb 33, and there is gap between bulb 33 and split type ball-and-socket 31, and realizing bulb 33 whereby can rotate in split type ball-and-socket 31, and the hatch bore diameter of described split type ball-and-socket is less than the diameter of the bulb 33 of globular hinge head, avoids bulb 33 to deviate from from split type ball-and-socket 31 whereby.

In addition, when the angle that 2 adjustments of resting the head on are extremely suitable, for fixing this angle, the head making people can comfortable lean against on headrest 2, therefore in the present embodiment, the sidewall of split type ball-and-socket 31 is provided with a secure component, concrete, this secure component includes the fastener hole being located on the sidewall of split type ball-and-socket 31 and the securing member coordinated with fastener hole, described securing member may pass through fastener hole precession or screws out split type ball-and-socket 31, in the present embodiment, fastener hole is set to run through the internal thread hole of the sidewall of split type ball-and-socket 31, and securing member is set to clamping screw 32, clamping screw 32 is constituted with internal thread hole threadeds, and clamping screw 32 realizes adjusting ball head 33 activity space in split type ball-and-socket 31 by being connected with the spiral of internal thread hole, the activity point of view of fixing whereby headrest 2.

For headrest 2, shown in Fig. 1, in the present embodiment, the middle part of headrest 2 is provided with a projection 4, the outer surface of this projection 4 is that arc-shaped is arranged, whereby, it is possible to increase the contact area of head and headrest 2, improve the comfort level of head, and, the outer surface protruding 4 also can be set with headrest 2 pad, and headrest 2 pad can adopt air bag, whereby, the comfort level of head is improved further.

Embodiment 2:

The present embodiment 2 and embodiment 1 only difference is that: bulb 33 is fixed in chair frame 1, and split type ball-and-socket 31 is fixed on headrest 2 in the face of the side of chair frame 1.

Embodiment 3:

Difference between the present embodiment 3 and embodiment 1 and embodiment 2 is all only in that: shown in Fig. 6, in the present embodiment, the surface of described bulb 33 is provided with some holes, location constituting grafting with clamping screw 32, when clamping screw 32 is by being set to the fastener hole of internal thread hole and enter split type ball-and-socket 31 and during with location hole grafting, clamping screw 32 can lock described bulb 33, bulb 33 is stoped to move whereby, thus realizing the movement angle of fixing bulb 33, and when clamping screw 32 screws out to when departing from bulb 33 in the fastener hole being set to internal thread hole, bulb 33 is movable, now, the head of people can by regulating extremely suitable angle with contacting of headrest 2, when after headrest 2 adjustment to suitable angle, clamping screw 32 precession fastener hole and bulb 33 can be constituted grafting, fix bulb 33 whereby, make bulb 33 not rotatable, now, the head of people just can be had a rest at an appropriate angle, to improve rest quality.

Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model. It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims

1. a chair, including chair frame and be arranged at the headrest in chair frame, it is characterized by: described chair frame is connected to a headrest by ball-joint structure, and between described headrest and chair frame, it is formed for the gap that described headrest rotates, described ball-joint structure includes the bulb being fixed in chair frame and the split type ball-and-socket being fixed on headrest, described split type ball-and-socket holds described bulb and suitable with bulb profile, and the hatch bore diameter of described split type ball-and-socket is less than the diameter of the bulb of globular hinge head, described ball-joint structure is provided with the secure component of the activity point of view of fixing headrest, described secure component includes the fastener hole running through described split type ball-and-socket sidewall and the securing member coordinated with fastener hole, described securing member can precession or screw out fastener hole to regulate the anglec of rotation of described bulb.

2. chair according to claim 1, is characterized by: described securing member is set to clamping screw, and described fastener hole is set to constitute, with described clamping screw, the internal thread hole threadeded.

3. chair according to claim 1, is characterized by: the surface of described bulb is provided with some holes, location constituting grafting with clamping screw,

Clamping screw and location hole grafting, described bulb is fixed;

Clamping screw departs from hole, location, described ball motion.

4. chair according to claim 1, it is characterized by: described ball-joint structure includes the split type ball-and-socket being fixed in chair frame and the bulb being fixed on headrest, described split type ball-and-socket holds described bulb and suitable with bulb profile, and the hatch bore diameter of described split type ball-and-socket is less than the diameter of the bulb of globular hinge head.

5. chair according to claim 1, is characterized by: it is protruding that the middle part of described headrest is provided with one.

6. chair according to claim 5, is characterized by: described convex outer surface is that arc-shaped is arranged.