CN214341226U

CN214341226U - Multidirectional activity headrest of chair

Info

Publication number: CN214341226U
Application number: CN202022861095.XU
Authority: CN
Inventors: 李志芳
Original assignee: Jiaxing City Yongtai Hardware & Plastic Co ltd
Current assignee: Jiaxing City Yongtai Hardware & Plastic Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-10-08
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a multidirectional movable headrest of a chair, which comprises a main support, a rotating support and a headrest main part, wherein one end of the rotating support is connected with the end part of the main support, and the rotating support rotates along the end part of the main support; the other end of the rotating bracket is connected with the end part of a rotating connecting piece, and the rotating connecting piece rotates along the end part of the rotating bracket; the rotary connecting piece is fixed to the headrest main part through the lifting piece in the middle, the headrest main part and the lifting piece move up and down relative to the rotary connecting piece, and the headrest main part rotates along the rotary support along with the rotary connecting piece. The utility model realizes the lifting and positioning of the headrest through the guide groove of the lifting piece, the positioning groove of the headrest and the rotary connecting piece matched with the guide groove and the positioning groove, and has simple and reliable structure; the headrest is rotated through the relative rotation of the rotating support and the main support and the relative rotation of the rotating connecting piece and the rotating support, and the adjusting range is wide; the whole structure is simple, the function is safe and reliable, the installation is convenient, and the manufacture and the maintenance are convenient.

Description

Multidirectional activity headrest of chair

Technical Field

The utility model relates to a headrest of chair especially relates to a multidirectional activity headrest of chair.

Background

The existing seat with the backrest is rarely provided with the design of an additional headrest, so that for people who work for a long time by using the seat with the backrest, the stress of cervical vertebra can be reduced, the fatigue of neck can be relieved, the fatigue is reduced, and the comfort level of human body is increased; can greatly relieve the pain of neck fatigue and pain caused by long-term sitting.

In the existing products, a small number of products are designed with the back cushion, but the back cushion is fixed; in order to meet the requirements of users on the height of the headrest by different heights, the lifting of the headrest is realized in structural design, but the lifting adjustment structure of the headrest is complex, the cost is high, and the installation and the adjustment operation are not very convenient; and the angle can not be adjusted according to the requirements of each user, which causes discomfort and inconvenience in use and can not meet the requirements of the users. Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a multidirectional activity headrest of chair is provided, it is complicated to solve current headrest and adjusts the structure, and can not realize the problem of multidirectional regulation.

The utility model adopts the technical scheme that the multidirectional movable headrest of the chair comprises a main support, a rotating support and a headrest main part, wherein one end of the rotating support is connected with the end part of the main support, and the rotating support rotates along the end part of the main support; the other end of the rotating bracket is connected with the end part of a rotating connecting piece, and the rotating connecting piece rotates along the end part of the rotating bracket; the rotary connecting piece is fixed to the headrest main part through the lifting piece in the middle, the headrest main part and the lifting piece move up and down relative to the rotary connecting piece, and the headrest main part rotates along the rotary support along with the rotary connecting piece.

Further, the main support is U-shaped, the rotating support is U-shaped, and two sides of the bottom edge of the rotating support are connected to the end part of the main support through the rotating small pieces.

Further, rotatory smallclothes one end is rotatory end, and the other end is the stiff end, rotatory end is equipped with the column spinner, equidistant range in stiff end periphery has the latch, the both sides on runing rest base are equipped with the fixed orifices, the fixed orifices inner wall is equipped with the draw-in groove that matches with the latch, the length of stiff end is greater than the degree of depth of fixed orifices, the stiff end part inserts fixedly in the fixed orifices.

Furthermore, a through hole matched with the rotary column is formed in the end part of the main support, a clamping hole is formed in the periphery of the through hole and is close to one side of the rotary support, a gear groove matched with the clamping teeth is formed in the inner wall of the clamping hole, the rotary column of the small rotary piece is inserted into the through hole, and the part, exposed out of the fixing hole, of the fixing end is clamped into the clamping groove; the rotating bracket rotates along the main bracket through the rotating column and is positioned through the gear groove; the horizontal position is taken as the initial position, and the rotating range of the rotating bracket along the main bracket is-45 to 45 degrees.

Furthermore, a rotary bearing is arranged at the end part of the rotary connecting piece, a rotary hole matched with the rotary bearing is arranged at the end part of the rotary support, and the rotary bearing is arranged in the rotary hole; the middle part of the rotary connecting piece is a plane, and the headrest main part and the lifting piece are fixedly connected at the front side and the rear side of the middle part of the rotary connecting piece, so that the headrest main part and the lifting piece rotate along the end part of the rotary support along with the rotary connecting piece; the position perpendicular to the rotating support is taken as an initial position, and the rotation angle range of the headrest main part along the rotating support is-45-45 degrees.

Furthermore, a guide post is arranged on the contact surface of the rotary connecting piece and the lifting piece, and the lifting piece is provided with a guide groove matched with the guide post; a positioning bulge is arranged on the connecting surface of the rotary connecting piece and the headrest main body, a positioning groove matched with the positioning bulge is arranged on the headrest main body, and the headrest main body and the lifting piece move up and down relative to the rotary connecting piece through the guide groove and the guide column and are positioned through the positioning groove; the headrest body is moved within a range of 0 to 10cm relative to the rotary link with one end of the guide groove as an initial position.

Furthermore, the bottom of the main support is provided with a small tiger mouth piece, a fixing groove is formed by the small tiger mouth piece and the bottom of the main support, and the main support is connected to the chair back through the fixing groove.

Furthermore, the two side edges of the headrest main part are in an arc shape bending towards the human body.

The utility model discloses contrast prior art has following beneficial effect: the multidirectional movable headrest of the chair provided by the utility model realizes the lifting and positioning of the headrest main part through the guide groove of the lifting part, the positioning groove of the headrest main part and the rotary connecting part matched with the guide groove and the positioning groove, and has simple and reliable structure; the rotation of the headrest main part is realized through the relative rotation of the rotating bracket and the main bracket and the relative rotation of the rotating connecting piece and the rotating bracket, and the adjusting range is wide; the whole structure is simple, the function is safe and reliable, the installation is convenient, and the manufacture and the maintenance are convenient.

Drawings

Fig. 1 is a schematic structural view of a multidirectional active headrest of a chair according to an embodiment of the present invention;

FIG. 2 is a side view of a multi-directional active headrest of a chair according to an embodiment of the present invention;

fig. 3 is an exploded view of the multidirectional active headrest of the chair according to the embodiment of the present invention.

In the figure:

1. rotating the small piece; 2. rotating the bracket; 3. a main support; 4. a tiger mouth small piece; 5. a lifting member; 6. a rotating connector; 7. a headrest main part;

Detailed Description

The invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a multidirectional active headrest of a chair according to an embodiment of the present invention; fig. 2 is a side view of a multidirectional active headrest of a chair according to an embodiment of the present invention.

Referring to fig. 1 and 2, the multi-directional active headrest of the chair according to the embodiment of the present invention includes a main support 3, a rotating support 2 and a headrest main member 7, wherein one end of the rotating support 2 is connected to an end of the main support 3, and the rotating support 2 rotates along the end of the main support 3; the other end of the rotating bracket 2 is connected with the end part of a rotating connecting piece 6, and the rotating connecting piece 6 rotates along the end part of the rotating bracket 2; the rotary connecting member 6 is fixed to a headrest main member 7 at the middle portion through a lifter 5, the headrest main member 7 and the lifter 5 move up and down relative to the rotary connecting member 6, and the headrest main member 7 rotates along the rotary bracket 2 with the rotary connecting member 6. The main bracket 3 is U-shaped, the rotating bracket 2 is U-shaped, and two sides of the bottom edge of the rotating bracket 2 are connected to the end part of the main bracket 3 through the rotating small piece 1.

Please refer to fig. 3 simultaneously, the utility model discloses a multidirectional activity headrest of chair, rotatory smallclothes 1 one end is rotatory end, and the other end is the stiff end, rotatory end is equipped with the column spinner, the equidistant range in stiff end periphery has the latch, the both sides on 2 bases of runing rest are equipped with the fixed orifices, the fixed orifices inner wall is equipped with the draw-in groove that matches with the latch, the length of stiff end is greater than the degree of depth of fixed orifices, the stiff end part inserts fixedly in the fixed orifices. The end part of the main bracket 3 is provided with a through hole matched with the rotating column, one side of the periphery of the through hole close to the rotating bracket 2 is provided with a clamping hole, the inner wall of the clamping hole is provided with a gear groove matched with the clamping teeth, the rotating column of the small rotating piece 1 is inserted into the through hole, and the part of the fixed end exposed out of the fixed hole is clamped into the clamping groove; the rotating bracket 2 rotates along the main bracket 3 through the rotating column and is positioned through the gear groove; the rotating bracket 2 rotates at an angle of-45 to 45 degrees along the main bracket 3 by taking the horizontal position as the initial position.

Specifically, a rotary bearing is arranged at the end part of the rotary connecting piece 6, a rotary hole matched with the rotary bearing is arranged at the end part of the rotary bracket 2, and the rotary bearing is arranged in the rotary hole; the middle part of the rotary connecting piece 6 is a plane, and the headrest main part 7 and the lifting piece 5 are fixedly connected at the front side and the rear side of the middle part of the rotary connecting piece 6, so that the headrest main part 7 and the lifting piece 5 rotate along the end part of the rotary bracket 2 along with the rotary connecting piece 6; the headrest main part 7 is rotated by an angle ranging from-45 degrees to 45 degrees along the rotating bracket 2 with a position perpendicular to the rotating bracket 2 as an initial position.

Specifically, a guide post is arranged on the contact surface of the rotary connecting piece 6 and the lifting piece 5, and the lifting piece 5 is provided with a guide groove matched with the guide post; a positioning bulge is arranged on the connecting surface of the rotary connecting piece 6 and the headrest main body 7, a positioning groove matched with the positioning bulge is arranged on the headrest main body, and the headrest main body 7 and the lifting piece 5 move up and down relative to the rotary connecting piece 6 through the guide groove and the guide column and are positioned through the positioning groove; the headrest body 7 moves in a range of 0 to 10cm relative to the rotary link 6 with one end of the guide groove as an initial position.

Preferably, the bottom of the main support 3 is provided with a small tiger mouth piece 4, the small tiger mouth piece 4 and the bottom of the main support 3 form a fixing groove, the main support 3 is connected to the chair back through the fixing groove, and the connecting and fixing mode is simple, firm and reliable.

Preferably, the two side edges of the headrest main member 7 are curved toward the human body, which is ergonomic and more comfortable.

In summary, the multidirectional movable headrest of the chair of the embodiment of the invention realizes the lifting and positioning of the headrest main part 7 through the guide groove of the lifting part 5, the positioning groove of the headrest main part 7 and the rotary connecting part 6 matched with the guide groove, and the structure is simple and reliable; the headrest main part 7 is rotated through the relative rotation of the rotating bracket 2 and the main bracket 3 and the relative rotation of the rotating connecting piece 6 and the rotating bracket 2, and the adjusting range is wide; the whole structure is simple, the function is safe and reliable, the installation is convenient, and the manufacture and the maintenance are convenient.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A multidirectional movable headrest of a chair is characterized by comprising a main bracket, a rotating bracket and a headrest main part, wherein one end of the rotating bracket is connected with the end part of the main bracket, and the rotating bracket rotates along the end part of the main bracket; the other end of the rotating bracket is connected with the end part of a rotating connecting piece, and the rotating connecting piece rotates along the end part of the rotating bracket; the rotary connecting piece is fixed to the headrest main part through the lifting piece in the middle, the headrest main part and the lifting piece move up and down relative to the rotary connecting piece, and the headrest main part rotates along the rotary support along with the rotary connecting piece.

2. A multidirectional active headrest for chairs according to claim 1 wherein said main support is U-shaped, said swivel support is U-shaped, and both sides of the bottom edge of said swivel support are connected to the ends of the main support by swivel tabs.

3. The multidirectional active headrest of a chair as claimed in claim 2, wherein one end of said rotary small member is a rotary end and the other end is a fixed end, said rotary end is provided with a rotary post, said fixed end is provided with latch teeth arranged at equal intervals around the periphery thereof, said rotary bracket is provided with fixing holes at both sides of the bottom edge thereof, said fixing holes are provided with locking grooves at the inner wall thereof for matching with the latch teeth, said fixed end is longer than the fixed hole, and said fixed end is partially inserted into the fixing holes for fixing.

4. The multidirectional movable headrest of a chair as claimed in claim 3, wherein the end portion of said main support is provided with a through hole matching with the rotation column, the periphery of said through hole is provided with a retaining hole at a side close to the rotation support, the inner wall of said retaining hole is provided with a gear groove matching with the latch, the rotation column of said small rotation member is inserted into the through hole, and the portion of said fixed end exposed out of the fixed hole is retained in the retaining groove; the rotating bracket rotates along the main bracket through the rotating column and is positioned through the gear groove; the horizontal position is taken as the initial position, and the rotating range of the rotating bracket along the main bracket is-45 to 45 degrees.

5. A multidirectional movable headrest for chairs according to claim 1 wherein said swivel link end is provided with a swivel bearing, said swivel bracket end is provided with a swivel hole matching said swivel bearing, said swivel bearing is disposed in said swivel hole; the middle part of the rotary connecting piece is a plane, and the headrest main part and the lifting piece are fixedly connected at the front side and the rear side of the middle part of the rotary connecting piece, so that the headrest main part and the lifting piece rotate along the end part of the rotary support along with the rotary connecting piece; the position perpendicular to the rotating support is taken as an initial position, and the rotation angle range of the headrest main part along the rotating support is-45-45 degrees.

6. A multidirectional movable headrest for chairs according to claim 5 wherein said rotary connection member is provided with guide posts on its contact surface with said lifting member, said lifting member being provided with guide slots matching said guide posts; a positioning bulge is arranged on the connecting surface of the rotary connecting piece and the headrest main body, a positioning groove matched with the positioning bulge is arranged on the headrest main body, and the headrest main body and the lifting piece move up and down relative to the rotary connecting piece through the guide groove and the guide column and are positioned through the positioning groove; the headrest body is moved within a range of 0 to 10cm relative to the rotary link with one end of the guide groove as an initial position.

7. A multidirectional active headrest for chairs according to claim 1 and wherein said main support is provided at its bottom with a small slot forming a securing slot with the bottom of the main support, said main support being attached to the chair back by means of the securing slot.

8. A multidirectional movable headrest for chairs according to claim 1 wherein said headrest main member has side edges which are curved in a human body direction.