CN219699450U - Chair with adjustable back and headrest - Google Patents
Chair with adjustable back and headrest Download PDFInfo
- Publication number
- CN219699450U CN219699450U CN202321106257.6U CN202321106257U CN219699450U CN 219699450 U CN219699450 U CN 219699450U CN 202321106257 U CN202321106257 U CN 202321106257U CN 219699450 U CN219699450 U CN 219699450U
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- CN
- China
- Prior art keywords
- headrest
- chair
- seat
- damping
- piece
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- 238000013016 damping Methods 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model belongs to the technical field of seats, in particular to a seat with an adjustable back and a headrest, which comprises a seat, a back arranged on the seat and a headrest arranged on the back, wherein the bottom of the back is hinged on the seat through a hinge assembly, a lifting adjusting plate which can relatively lift up and down is arranged on the back, the top of the lifting adjusting plate extends out of the back and is hinged and matched with one end of a swinging member up and down, the other end of the swinging member is hinged and matched with the back of the headrest up and down, and a locking assembly which can lock or release the swinging member from rotating relative to the lifting adjusting plate and the headrest is arranged on the swinging member. The chair back can be hinged back and forth relative to the chair seat, the headrest can be lifted and lowered through the lifting adjusting plate, and meanwhile, the headrest can be lifted and lowered relative to the chair back and the swinging piece, so that the headrest can be attached to the statures of different users and provide effective support, and has good comfort.
Description
Technical field:
the utility model belongs to the technical field of seats, in particular to a seat with an adjustable back and headrest.
The background technology is as follows:
in order to improve the comfort, the outer surfaces of the chair back and the headrest of the existing seats on the market are designed to be capable of being attached to the curved surface of a human body, but once the seat is formed, the seat is difficult to adjust again, at most, the seat can only rotate or lift through chair legs, but different persons are different in stature, if the seat with the fixed structure is used, discomfort exists, the waist and the neck of the human body are tired due to the fact that the supporting positions are not in place for a long time, and the purpose of improving the comfort is also achieved by attaching the seat to the curved surface of the human body.
The utility model comprises the following steps:
the utility model aims to provide a seat with an adjustable back and a headrest, which can adjust the positions of the back and the headrest so as to fit the sizes of different users and provide effective support, and has better comfort.
The utility model is realized in the following way:
the utility model provides an adjustable back of the chair and seat of headrest, includes the seat support, sets up the back of the chair on the seat support and sets up the headrest on the back of the chair, the bottom of back of the chair articulates on the seat support through articulated assembly, is equipped with the lift regulating plate that can reciprocate relatively on the back of the chair, and outside the top of lift regulating plate stretches out the back of the chair and articulated cooperation from top to bottom with the one end of swinging member, the other end of swinging member articulated cooperation from top to bottom with the back of headrest about, is equipped with on the swinging member and can lock or relieve the swinging member and lift regulating plate and headrest between relative pivoted locking assembly.
In the above-mentioned seat of adjustable back of chair and headrest, the both ends of swinging member all inwards bend to the middle part of swinging member, and the bend department forms the staple bolt structure, the top of lift regulating plate is provided with the hinge pin one, the rear portion of headrest is equipped with the hinge pin two, and hinge pin one and hinge pin two insert respectively and establish in corresponding staple bolt structure, locking assembly is including the afterbody running through the adjusting bolt at the swinging member middle part, and adjusting bolt's afterbody spiro union has the locking piece that supports on swinging member both ends lateral wall, inwards twists adjusting bolt and drives locking piece and swinging member's both ends and remove towards the swinging member, and then drive two staple bolt structures and hold respectively and tighten hinge pin one and hinge pin two.
In the above-mentioned seat of adjustable back of chair and headrest, still including the protective housing, swinging member and locking piece all set up in the protective housing, adjusting bolt's head outwards stretches out the protective housing and the cover is equipped with the locking knob, hinge pin one and hinge pin two all run through the setting on the protective housing.
In the above-mentioned seat of adjustable back of chair and headrest, be provided with two bilateral symmetry's damping board about the back of the chair in the edge, offered the slip on the relative inside wall of two damping boards along from top to bottom and lead to the groove, and form the slip space that supplies lift adjusting plate to go up and down between two slip through the groove, be equipped with the damping subassembly that can provide resistance to lift adjusting plate oscilaltion damping board or the back of the chair.
In the above-mentioned seat of an adjustable back of chair and headrest, the damping subassembly is including transversely seting up the cooperation hole on the lateral wall of damping board and assembling the damping steel ball in the cooperation hole, and the cooperation Kong Naluo connects adjusting nut, is equipped with damping spring between adjusting nut and the damping steel ball, and a part of damping steel ball runs through to the groove bottom surface of sliding through groove and supports and lean on the lateral wall of lift regulating board, is exerted the resistance to the lift regulating board through damping steel ball by damping spring's elasticity.
In the above-mentioned seat of adjustable back of the chair and headrest, the articulated assembly is including the regulation linkage board of one end fixed in the bottom of back of the chair, adjusts the other end of linkage board and stretches into in the seat support and with driving motor transmission cooperation, drives the back of the chair through adjusting the linkage board by driving motor and carries out circumference rotation.
Compared with the prior art, the utility model has the outstanding advantages that:
the chair back can be hinged back and forth relative to the chair seat, the headrest can be lifted and lowered through the lifting adjusting plate, and meanwhile, the headrest can be lifted and lowered relative to the chair back and the swinging piece, so that the headrest can be attached to the statures of different users and provide effective support, and has good comfort.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a view showing the construction of the fitting between the lift adjustment plate, the swing member and the headrest of the present utility model;
FIG. 4 is a schematic view of a damper plate structure of the present utility model.
In the figure: 1. a seat; 2. a chair back; 3. a headrest; 4. lifting adjusting plates; 5. a swinging member; 6. a first hinge shaft; 7. a second hinge shaft; 8. an adjusting bolt; 9. a locking block; 10. a protective housing; 11. a locking knob; 12. a damping plate; 13. sliding through grooves; 14. a mating hole; 15. damping steel balls; 16. and adjusting the linkage plate.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-:
the utility model provides an adjustable back of the chair and seat of headrest, is including seat support 1, the back of the chair 2 of setting on seat support 1 and the headrest 3 of setting on back of the chair 2, the bottom of back of the chair 2 articulates on seat support 1 through articulated assembly, is equipped with the lift adjusting plate 4 that can reciprocate relatively on the back of the chair 2, and the top of lift adjusting plate 4 stretches out outside the back of the chair 2 and articulated cooperation from top to bottom with the one end of swinging member 5, and the other end of swinging member 5 articulates the cooperation from top to bottom with the back of headrest 3, is equipped with the locking subassembly that can lock or relieve relative pivoted between swinging member 5 and lift adjusting plate 4 and the headrest 3 on the swinging member 5.
The chair back 2 can be hinged back and forth relative to the chair seat 1, the headrest 3 can be lifted and lowered through the lifting adjusting plate 4, and meanwhile, the headrest 3 can be lifted and lowered relative to the chair back 2 and the swinging piece 5, so that the chair back can be attached to the statures of different users and provide effective support, and the chair has good comfort.
Still further, the swinging member 5 may be an existing transmission link, and the locking assembly is a positioning pin assembled at the hinge between the transmission link and the headrest 3 and the lifting adjusting plate 4, and in this embodiment, the specific structure adopted by the swinging member 5 and the locking assembly is as follows: the utility model discloses a swing device, including swing piece 5, lift adjusting plate 4, locking subassembly and adjusting bolt, the both ends of swing piece 5 are all inwards crooked to the middle part of swing piece 5, and the crooked department forms staple bolt structure, the top of lift adjusting plate 4 is provided with hinge pin one 6, the rear portion of headrest 3 is equipped with hinge pin two 7, and hinge pin one 6 and hinge pin two 7 insert respectively and establish in corresponding staple bolt structure, locking subassembly is including the afterbody running through adjusting bolt 8 at swing piece 5 middle part, and adjusting bolt 8's afterbody spiro union has the locking piece 9 that supports on swing piece 5 both ends lateral wall, drives locking piece 9 and swing piece 5's both ends through inwards screwing in adjusting bolt 8 and removes towards swing piece 5, and then drives two staple bolt structures and hold tightly one 6 and hinge pin two 7 respectively, realizes the articulated locking to hinge pin one 6 and hinge pin two 7.
In order to avoid exposing the swinging member 5 and the locking block 9 to the outside and to facilitate screwing the adjusting bolt 8, in this embodiment, the device further comprises a protective housing 10, wherein the swinging member 5 and the locking block 9 are both disposed in the protective housing 10, the head of the adjusting bolt 8 extends out of the protective housing 10 and is sleeved with a locking knob 11, and the first hinge shaft 6 and the second hinge shaft 7 are both disposed on the protective housing 10 in a penetrating manner.
Still further, in order to make lift adjusting plate 4 can quick oscilaltion remove to can not descend because of weight and human head's pressure during normal use, be provided with two bilateral symmetry's damping board 12 about the back of the chair 2 in the edge, two damping board 12's relative inside wall is gone up along seting up from top to bottom and is had been led to the groove 13, and forms the slip space that supplies lift adjusting plate 4 to go up and down between two slip through grooves 13, be equipped with the damping subassembly that can provide resistance to lift adjusting plate 4 oscilaltion damping board 12 or the back of the chair 2. I.e. by applying sufficient resistance to the lifting adjusting plate 4 through the damping assembly to prevent the lifting adjusting plate 4 from being lowered due to the weight and the pressure of the head of the human body.
Meanwhile, the damping assembly may be damping rubber disposed on the seat back 2, and in this embodiment, the specific structure adopted by the damping assembly is: the damping assembly comprises a matching hole 14 transversely formed in the outer side wall of the damping plate 12 and a damping steel ball 15 assembled in the matching hole 14, an adjusting nut is screwed in the matching hole 14, a damping spring is arranged between the adjusting nut and the damping steel ball 15, a part of the damping steel ball 15 penetrates through the bottom surface of the sliding through groove 13 and abuts against the side wall of the lifting adjusting plate 4, and resistance is applied to the lifting adjusting plate 4 through the damping steel ball 15 by the elasticity of the damping spring. Namely, the lifting adjusting plate 4 is manually pushed downwards or upwards to overcome the resistance applied to the lifting adjusting plate 4 by the steel balls so as to realize the lifting movement of the lifting adjusting plate 4.
In addition, in this embodiment, in order to automatically adjust the back-and-forth rotation angle of the chair 2, the hinge assembly includes an adjusting linkage plate 16 with one end fixed at the bottom of the chair back 2, and the other end of the adjusting linkage plate 16 extends into the chair seat 1 and is in transmission fit with the driving motor, and the driving motor drives the chair back 2 to perform circumferential rotation through the adjusting linkage plate 16.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. The utility model provides an adjustable back of chair and headrest's seat, is including seat support (1), back of the chair (2) of setting on seat support (1) and set up headrest (3) on back of the chair (2), its characterized in that: the bottom of the chair back (2) is hinged on the chair seat (1) through a hinge assembly, a lifting adjusting plate (4) capable of lifting up and down relatively is arranged on the chair back (2), the top of the lifting adjusting plate (4) extends out of the chair back (2) and is in hinge fit with one end of a swinging piece (5) up and down, the other end of the swinging piece (5) is in hinge fit with the back of the headrest (3) up and down, and a locking assembly capable of locking or unlocking relative rotation between the swinging piece (5) and the lifting adjusting plate (4) and the headrest (3) is arranged on the swinging piece (5).
2. The seat of an adjustable seatback and headrest of claim 1, wherein: the utility model discloses a swing piece, including swing piece (5), including the back, the both ends of swing piece (5) are all inwards crooked to the middle part of swing piece (5), and the crooked department forms staple bolt structure, the top of lift regulating plate (4) is provided with hinge pin one (6), the rear portion of head rest (3) is equipped with hinge pin two (7), and hinge pin one (6) and hinge pin two (7) are inserted respectively and are established in corresponding staple bolt structure, locking subassembly is including afterbody running through adjusting bolt (8) at swing piece (5) middle part, and the afterbody spiro union of adjusting bolt (8) has locking piece (9) that support to lean on swing piece (5) both ends lateral wall, inwards twists adjusting bolt (8) drive locking piece (9) and swing piece (5) both ends towards swing piece (5) removal, and then drive two staple bolt structures and hold hinge pin two (7) respectively.
3. The seat of an adjustable seatback and headrest of claim 2, wherein: still including protective housing (10), swinging member (5) and locking piece (9) all set up in protective housing (10), outside the head of adjusting bolt (8) stretches out protective housing (10) and cover locking knob (11), hinge pin one (6) and hinge pin two (7) all run through and set up on protective housing (10).
4. The seat of an adjustable seatback and headrest of claim 1, wherein: the chair comprises a chair back (2), wherein two damping plates (12) which are symmetrically distributed from top to bottom are arranged in the chair back (2), sliding through grooves (13) are formed in the upper edges of the opposite inner side walls of the two damping plates (12) from top to bottom, a sliding space for the lifting adjusting plate (4) to lift up and down is formed between the two sliding through grooves (13), and damping components which can provide resistance for the lifting adjusting plate (4) to lift up and down are arranged on the damping plates (12) or the chair back (2).
5. The seat of an adjustable seat back and headrest of claim 4, wherein: the damping assembly comprises a matching hole (14) transversely formed in the outer side wall of the damping plate (12) and a damping steel ball (15) assembled in the matching hole (14), an adjusting nut is screwed in the matching hole (14), a damping spring is arranged between the adjusting nut and the damping steel ball (15), a part of the damping steel ball (15) penetrates through the bottom surface of the sliding through groove (13) and abuts against the side wall of the lifting adjusting plate (4), and resistance is applied to the lifting adjusting plate (4) through the damping steel ball (15) by the elasticity of the damping spring.
6. The seat of an adjustable seatback and headrest of claim 1, wherein: the hinge assembly comprises an adjusting linkage plate (16) with one end fixed at the bottom of the chair back (2), the other end of the adjusting linkage plate (16) stretches into the chair seat (1) and is matched with a driving motor in a transmission way, and the driving motor drives the chair back (2) to circumferentially rotate through the adjusting linkage plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106257.6U CN219699450U (en) | 2023-05-08 | 2023-05-08 | Chair with adjustable back and headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106257.6U CN219699450U (en) | 2023-05-08 | 2023-05-08 | Chair with adjustable back and headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219699450U true CN219699450U (en) | 2023-09-19 |
Family
ID=87999775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321106257.6U Active CN219699450U (en) | 2023-05-08 | 2023-05-08 | Chair with adjustable back and headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219699450U (en) |
-
2023
- 2023-05-08 CN CN202321106257.6U patent/CN219699450U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |