CN213550741U

CN213550741U - Headrest device of seat and seat

Info

Publication number: CN213550741U
Application number: CN202022860643.7U
Authority: CN
Inventors: 苏致诚
Original assignee: Dongguan Kentec Office Seating Co Ltd
Current assignee: Dongguan Kentec Office Seating Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-29
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a seat technical field particularly, relates to a headrest device and seat of seat. The headrest device of the seat comprises a headrest backing plate, a bracket assembly and a connector assembly, wherein the headrest backing plate and the bracket assembly are connected through the connector assembly; the connecting piece subassembly includes spacing elastic component, connects the casing, spacing elastic component include location portion and certainly two symmetrical curved form elastic arm that extend in location portion, curved form elastic arm includes flexion and connecting portion, two the one end card of connecting portion is gone into respectively in the headrest backup plate, simultaneously, spacing elastic component with headrest backup plate swing joint is in connect on the casing. The utility model discloses headrest device of seat is through adopting above-mentioned structure for headrest backup plate is at predetermineeing angle within range internal rotation, makes the position of headrest backup plate can adjust according to the required flexibility of user, has greatly promoted user's use comfort.

Description

Headrest device of seat and seat

Technical Field

The utility model relates to a seat technical field particularly, relates to a headrest device and seat of seat.

Background

In modern fast-paced work environments, lunch break is crucial for office staff, who often take a rest by leaning on a chair. However, the position of the headrest of the office chair provided in the market at present is fixed, the angle is not convenient to adjust, and the head position of the user is not convenient to adjust when the office chair is used. In order to improve the quality of noon break, part of people can choose to prepare a folding bed to be placed in an office, but the folding bed occupies space when in use, and is not beneficial to popularization and use in the office.

Therefore, there is a need to develop a novel headrest device for a seat and a seat, so that the angle of the headrest of the seat can be flexibly adjusted, and the comfort of the user can be improved.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model aims to provide a headrest device and seat of seat to solve the inconvenient angle of adjustment of headrest of seat among the prior art, influence user's use comfort's problem.

A headrest device of a seat comprises a headrest backing plate, a bracket assembly and a connector assembly, wherein the headrest backing plate and the bracket assembly are connected through the connector assembly;

the connecting piece assembly comprises a limiting elastic assembly and a connecting shell, and the limiting elastic assembly and the headrest backing plate are movably connected onto the connecting shell;

spacing elastic component includes location portion and certainly two symmetrical curved form elastic arm that extend in location portion, curved form elastic arm includes flexion and connecting portion, the flexion is connected location portion with between the connecting portion, two the one end of connecting portion is blocked respectively in the headrest backup plate.

Preferably, the connecting member assembly further includes a rotating shaft, the headrest backing plate includes a first through hole, the positioning portion includes a positioning hole, and the positioning hole and the first through hole are concentrically connected to the connecting housing through the rotating shaft.

Preferably, the bracket component includes support and lift unit, the support card is established connect the casing and keep away from the one end of headrest back plate, lift unit is used for the adjustment and fixes the height of headrest back plate.

Preferably, the lifting unit comprises a headrest fastener and a positioning elastic block, the positioning elastic block is used for being clamped on the headrest fastener, and the headrest fastener is movably sleeved on the support.

Preferably, the positioning elastic block comprises hooks, a convex block and a curved surface supporting part, the convex block is arranged on the curved surface supporting part, and the two hooks are symmetrically arranged on one side of the curved surface supporting part;

the headrest fastener is characterized in that a clamping block is arranged on the headrest fastener, the positioning elastic block is inserted into the headrest fastener, and the clamping hook is clamped on the clamping block.

Preferably, the bracket comprises a sliding groove, the headrest fastener is provided with a sliding block matched with the sliding groove, and the sliding block can slide in the sliding groove.

Preferably, the bracket is provided with a plurality of grooves with preset intervals, and the projection is clamped in the groove and used for fixing the height of the headrest backing plate.

Preferably, the connecting device further comprises an elastic element, one end of the elastic element is arranged in the connecting shell, and the other end of the elastic element is arranged in the bracket.

Preferably, a second through hole is formed in the connecting shell, and the rotating shaft is in clearance fit with the second through hole.

A seat includes a seat body, and a headrest device provided on the seat body;

the headrest device comprises a headrest backing plate, a support assembly and a connecting piece assembly, wherein the headrest backing plate and the support assembly are connected through the connecting piece assembly;

spacing elastic component includes location portion and certainly two symmetrical curved form elastic arm that extend in location portion, curved form elastic arm includes flexion and connecting portion, the flexion is connected location portion with between the connecting portion, two the one end of connecting portion is blocked respectively in the headrest backup plate. Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a headrest device is including headrest backup plate, bracket component and connecting piece subassembly, the connecting piece subassembly includes spacing elastic component and connects the casing, spacing elastic component include location portion and certainly the curved form elastic arm of two symmetries that location portion extends, curved form elastic arm includes flexion and connecting portion, two connecting portion card respectively are gone into in the headrest backup plate, simultaneously, spacing elastic component with headrest backup plate swing joint is in connect on the casing, spacing elastic component is used for driving the headrest backup plate for it is rotatory to connect the casing, and spacing elastic component makes the headrest backup plate can be in predetermineeing angle scope internal rotation, therefore the position of headrest backup plate can be adjusted according to the required flexibility of user, has greatly promoted user's use comfort.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is an overall configuration view of a headrest device for a seat according to an embodiment of the present invention;

fig. 2 is an exploded view of a headrest device of a seat according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a rotation principle of a headrest backing plate in a headrest apparatus of a seat according to an embodiment of the present invention;

fig. 4 is a partial schematic view of a bracket assembly in a headrest apparatus of a seat according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of the stent assembly of FIG. 4 in the direction A-A;

fig. 6 is a schematic cross-sectional view of the bracket assembly of fig. 4 in the direction of B-B.

[ illustration ] to be used: the device comprises a rotating shaft 1, a limiting elastic component 2, a headrest backing plate 3, a fastening screw 4, a shielding cover 5, a connecting shell 6, an elastic element 7, a support 8, a headrest fastener 9 and a positioning elastic block 10;

the positioning portion 21, the curved elastic arm 22, the connecting portion 221, the curved portion 222, the positioning hole 23, the first through hole 31, the second through hole 61, the groove 81, the hook 101, the bump 102, and the curved supporting portion 103

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 6, a headrest apparatus for a seat includes a headrest backing plate 3, a bracket assembly, and a connector assembly, wherein the headrest backing plate 3 and the bracket assembly are connected by the connector assembly;

the connecting piece assembly comprises a limiting elastic assembly 2 and a connecting shell 6, wherein the limiting elastic assembly 2 and the headrest backing plate 3 are movably connected to the connecting shell 6;

the limiting elastic assembly 2 comprises a positioning part 21 and two symmetrical curved elastic arms 22 extending from the positioning part 21, the curved elastic arms 22 comprise curved parts 222 and connecting parts 221, the curved parts 222 are connected between the positioning part 21 and the connecting parts 221, and one ends of the two connecting parts 221 are respectively clamped into the headrest backing plate 3. Optionally, the limiting elastic component 2 is integrally formed by a resilient plastic material.

Specifically, two connecting portions 221 of the limiting elastic assembly 2 support two sides of the headrest backing plate 3 respectively, two ends of the limiting elastic assembly 2 are an end a and an end B respectively, the headrest backing plate 3 can rotate downwards under the action of a user and then is released, the end a of the limiting elastic assembly 2 drives the limiting elastic assembly 2 to restore to the initial position integrally due to the fact that the limiting elastic assembly 2 has resilience, and the limiting elastic assembly 2 drives the headrest backing plate 3 to restore to the initial position when rotating. Similarly, the headrest backing plate 3 rotates upward under the action of the user and then is released, the end B of the limiting elastic component 2 drives the limiting elastic component 2 to restore to the initial position as a whole, and the limiting elastic component 2 drives the headrest backing plate 3 to restore to the initial position during rotation. Meanwhile, the limiting elastic component 2 and the headrest backing plate 3 are movably connected to the connecting shell 6. Through adopting above-mentioned structure, the headrest device of seat for headrest backup plate 3 can be in predetermineeing the angular range internal rotation, and the position of headrest backup plate 3 can be adjusted according to the required flexibility of user, consequently can greatly promote user's use comfort.

In an alternative embodiment, the link assembly further includes a rotating shaft 1, the headrest plate 3 includes a first through hole 31, the positioning portion 21 includes a positioning hole 23, and the positioning hole 23 and the first through hole 31 are concentrically connected to the link housing 6 through the rotating shaft 1.

In order to further enhance the comfort of the user, in an alternative embodiment, the bracket assembly includes a bracket 8 and a lifting unit, wherein the lifting unit is used for adjusting and fixing the height of the headrest plate 3, and the bracket 8 is clamped at one end of the connecting shell 6 far away from the headrest plate 3.

In an alternative embodiment, the lifting unit comprises a headrest fastener 9 and a positioning elastic block 10, the positioning elastic block 10 is clamped on the headrest fastener 9, and the headrest fastener 9 is movably sleeved on the bracket 8.

Optionally, the positioning elastic block 10 includes a hook 101, a protrusion 102 and a curved support 103, the protrusion 102 is disposed on the curved support 103, and the two hooks 101 are symmetrically disposed on one side of the curved support 103. Including the fixture block on the headrest fastener 9, location bullet piece 10 inserts back on the headrest fastener 9, blocks two trip 101 on the fixture block to fix location bullet piece 10 on headrest fastener 9, and the condition that the pine takes off can not appear. Optionally, the bracket 8 includes a sliding groove, and the headrest fastener 9 is provided with a sliding block matched with the sliding groove, and the sliding block can slide in the sliding groove. Optionally, the bracket 8 is provided with a plurality of grooves 81 spaced at a predetermined distance, and the protrusion 102 is engaged with the grooves 81 to fix the height of the headrest backing plate 3.

Specifically, when the height of the headrest backing plate 3 needs to be adjusted, the headrest backing plate 3 is pulled, so that the support 8 is driven to move, the sliding block slides in the sliding groove, and the height of the bump 102 adjusted as required slides on the support 8 and is clamped in the new groove 81, so that the position of the headrest backing plate 3 is fixed.

Optionally, the location bullet piece 10 chooses for use polyoxymethylene material, and polyoxymethylene material has high rigidity, high wear resistance, better elasticity and lubricity, consequently at the in-process of the height of adjustment headrest backup plate 3, and the location is accurate, and the pulling is smooth and easy, and the rhythm is felt strongly to bring the better use experience for the user.

In an alternative embodiment, the headrest plate 3 can provide a more comfortable support effect for the head of the user by telescopically changing the front and rear positions of the headrest plate 3 through the headrest plate 3. Specifically, the headrest device includes an elastic member 7, one end of the elastic member 7 is disposed in the connection housing 6, and the other end of the elastic member 7 is disposed in the bracket 8. When the headrest backing plate 3 is forced, the force is applied to the connecting housing 6, and the connecting housing 6 slides back and forth on the bracket 8. Optionally, a limiting groove is formed in the outer side of the support 8, a protruding block is arranged inside the connecting shell 6, and the protruding block slides in the limiting groove, so that the front and rear positions of the headrest backing plate 3 are changed. Alternatively, the elastic member 7 may be a spring or a material having elasticity such as rubber.

In an alternative embodiment, the connecting housing 6 is provided with a second through hole 61, and the rotating shaft 1 and the second through hole are clamped in the second through hole 61 in a clearance fit manner. Wherein, one end of the rotating shaft 1 is fixed on the connecting shell 6 through a fastening screw 4. In order to improve the overall appearance of the headrest device, the end surface of the fastening screw 4 is provided with a shield cover 5.

In conclusion, the headrest device of seat of this embodiment is including headrest backing plate 3, the bracket component, connector assembly, headrest backing plate 3 and bracket component pass through connector assembly and connect, connector assembly includes spacing elastic component 2 and connects casing 6, spacing elastic component 2 includes location portion 21 and two curved form elastic arm 22, curved form elastic arm 22 includes flexion 222 and connecting portion 221, the one end of two connecting portion 221 is blocked respectively in headrest backing plate 3, spacing elastic component 2 and headrest backing plate 3 swing joint are on connecting casing 6. Through such structure setting for headrest backup plate 3 can be along with spacing elastic component 2 at predetermined angle within range internal rotation, and headrest backup plate 3's position can be according to the required nimble adjustment of user, has greatly promoted user's use comfort. Further, the headrest device is further provided with a lifting unit and an elastic element 7, so that the headrest backing plate 3 can stretch and lift, and the multifunctional headrest device can meet individual requirements of most office personnel.

Example two

A seat comprises a seat body and a headrest device arranged on the seat body;

the headrest device comprises a headrest backing plate 3, a support assembly and a connecting piece assembly, wherein the headrest backing plate 3 and the support assembly are connected through the connecting piece assembly;

the connecting piece assembly comprises a limiting elastic assembly 2 and a connecting shell 6, and the limiting elastic assembly 2 and the headrest backing plate 3 are movably connected to the connecting shell 6;

the limiting elastic assembly 2 comprises a positioning part 21 and two symmetrical curved elastic arms 22 extending from the positioning part 21, the curved elastic arms 22 comprise curved parts 222 and connecting parts 221, the curved parts 222 are connected between the positioning part 21 and the connecting parts 221, and one ends of the two connecting parts 221 are respectively clamped into the headrest backing plate 3.

Specifically, the seat body comprises a backrest and a base, the base is connected with the backrest, the backrest and the base are respectively used for supporting the back and the hip of a user, the headrest device is arranged on the backrest, and optionally, the support 8 is fixedly connected to the backrest.

Optionally, a shrink plate is disposed on the underside of the base. The lower side of the base can be provided with an accommodating cavity, and when a user uses the base, the contraction plate is pulled out of the accommodating cavity and unfolded, so that the base can be used for supporting the leg position of the user.

To sum up, the seat of this embodiment is including seat body and headrest device, and wherein, headrest device includes headrest backup plate 3, bracket component, link assembly, and link assembly includes spacing elastic component 2 and connects casing 6, and headrest backup plate 3 can be along with spacing elastic component 2 at predetermineeing the angle within range internal rotation, and headrest backup plate 3's position can be adjusted according to the required flexibility of user, has greatly promoted user's use comfort.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The headrest device of the seat is characterized by comprising a headrest backing plate (3), a bracket assembly and a connector assembly, wherein the headrest backing plate (3) and the bracket assembly are connected through the connector assembly;

the connecting piece assembly comprises a limiting elastic assembly (2) and a connecting shell (6), and the limiting elastic assembly (2) and the headrest backing plate (3) are movably connected to the connecting shell (6);

spacing elastic component (2) include location portion (21) and certainly two symmetrical curved form elastic arm (22) that extend in location portion (21), curved form elastic arm (22) include flexion (222) and connecting portion (221), flexion (222) are connected location portion (21) with between connecting portion (221), two the one end of connecting portion (221) is blocked respectively in headrest backup plate (3).

2. The headrest apparatus for seats according to claim 1, wherein the link assembly further includes a rotary shaft (1), the headrest plate (3) includes a first through hole (31), the positioning portion (21) includes a positioning hole (23), and the positioning hole (23) and the first through hole (31) are concentrically connected to the link housing (6) through the rotary shaft (1).

3. The headrest device for seats according to claim 1, characterized in that the bracket assembly includes a bracket (8) and a lifting unit, the bracket (8) is engaged with an end of the connection housing (6) away from the headrest plate (3), and the lifting unit is used for adjusting and fixing the height of the headrest plate (3).

4. The headrest device for the seat according to claim 3, wherein the lifting unit comprises a headrest fastener (9) and a positioning elastic block (10), the positioning elastic block (10) is used for being clamped on the headrest fastener (9), and the headrest fastener (9) is movably sleeved on the bracket (8).

5. The headrest apparatus for seats according to claim 4, wherein the positioning elastic block (10) comprises a hook (101), a projection (102) and a curved support (103), the projection (102) is disposed on the curved support (103), and the two hooks (101) are symmetrically disposed on one side of the curved support (103);

the headrest fastener (9) is provided with a clamping block, the positioning elastic block (10) is inserted into the headrest fastener (9), and the clamping hook (101) is clamped on the clamping block.

6. The headrest device for seats according to claim 4, characterized in that said bracket (8) comprises a sliding slot, said headrest buckle (9) being provided with a sliding block matching said sliding slot, said sliding block being slidable in said sliding slot.

7. The headrest apparatus for seats according to claim 5, wherein the bracket (8) is provided with a plurality of grooves (81) spaced apart by a predetermined distance, and the protrusions (102) are engaged in the grooves (81) for fixing the height of the headrest plate (3).

8. The headrest device for seats according to claim 3, further comprising an elastic member (7), one end of the elastic member (7) being disposed in the connection housing (6), the other end of the elastic member (7) being disposed in the bracket (8).

9. The headrest apparatus for seats according to claim 2, characterized in that a second through hole (61) is provided in the connection housing (6), and the rotary shaft (1) is in clearance fit with the second through hole (61).

10. A seat, characterized by comprising a seat body, and a headrest device provided on the seat body;

the headrest device comprises a headrest backing plate (3), a support assembly and a connecting piece assembly, wherein the headrest backing plate (3) and the support assembly are connected through the connecting piece assembly;