CN215456708U - Head supporting component of chair - Google Patents
Head supporting component of chair Download PDFInfo
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- CN215456708U CN215456708U CN202121766616.1U CN202121766616U CN215456708U CN 215456708 U CN215456708 U CN 215456708U CN 202121766616 U CN202121766616 U CN 202121766616U CN 215456708 U CN215456708 U CN 215456708U
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- seat
- sliding
- head support
- sliding seat
- supporting
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- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000036544 posture Effects 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a head supporting component of a chair, comprising: the head support piece can be lifted up and down relative to the sliding seat to perform height adjustment, a sliding fitting surface is formed at the joint of the limiting seat and the supporting seat, and the limiting seat can drive the sliding seat and the head support piece to slide along the sliding fitting surface together to perform depth adjustment in the seat depth direction. Compared with the prior art, the lifting and the depth adjustment of the seat depth direction of the head supporting piece are realized, so that the head supporting piece can be attached to the head of a user in different postures, and the comfort is better. The component has the advantages of small number of parts, stable structure, saving of part cost, acceleration of production efficiency, and simplicity and attractiveness of the whole component due to the small number of parts and compact structure.
Description
Technical Field
The utility model relates to the field of seats, in particular to a head support assembly of a chair.
Background
During operation, the user often adjusts the seat depth for comfort, and in order to allow the user to be in different seat depths, the head can still be supported by the headrest, which requires a depth adjustment along the seat depth direction. And the headrest on the current seat mostly adopts fixed design, and the headrest is unrotatable or goes up and down, and this kind of design can not satisfy different crowds and use the demand of posture down to the headrest at different, makes user's head, cervical vertebra can not obtain relaxing the rest at any time, and the part adopts the headrest of the deep direction degree of depth of adjustable seat, and it is comparatively complicated to adjust the structure, is unfavorable for manufacturing, adjusts complex operation, experiences relatively poorly.
CN 201820984193.2, a chinese utility model patent discloses a connecting mechanism of a headrest backrest, which comprises a fixing seat and a headrest framework, wherein the fixing seat comprises a fixing seat upper buckle and a fixing seat upper buckle; the side wall of the lower end part of the headrest framework is provided with a guide rail with a T-shaped section, and the guide rail extends along the vertical direction on the side wall of the lower end part of the headrest framework; a sliding block is arranged in the middle of the guide rail, positioning racks are arranged on two side walls of the sliding block at one end close to the headrest framework, and limiting bulges are arranged on two side walls of the sliding block at one end far away from the headrest framework; one side of the upper buckle and the lower buckle of the fixing seat is buckled with the chair back, the other side of the upper buckle and the lower buckle of the fixing seat is provided with a cavity for the sliding block to slide up and down, and the inner walls opposite to the outer side of the cavity are respectively provided with an elastic rack which is respectively meshed with the positioning rack. The utility model discloses a can only adjust the height of headrest, the depth adjustment of no seat depth direction, the function is comparatively single.
CN 202020897948.2, chinese utility model discloses a head load supporting assembly of chair, which comprises a head supporting member, a supporting arm and a supporting seat. One end of the supporting arm forms a first rotating point, the head supporting piece rotates around the first rotating point, the head supporting piece is lifted relative to the first rotating point, a second rotating point is formed at the rotating connection position of the supporting seat and the supporting arm, and the head supporting piece and the supporting arm rotate around the second rotating point together; compared with the prior art, the utility model has the advantages of realizing three adjustment modes of lifting, rotating and inclining of the head support piece, adjusting the operation complexity, using the experience relatively poor, more internal structure parts and lower production efficiency.
Disclosure of Invention
In order to solve the above technical problem, the present invention provides a head support assembly of a chair, comprising: head support piece (1), sliding seat (3), spacing seat (5), supporting seat (4), head support piece (1) can carry out altitude mixture control for sliding seat (3) oscilaltion, and the department of meeting of spacing seat (5) and supporting seat (4) forms the slip fitting surface, and spacing seat (5) can drive sliding seat (3) and head support piece (1) together to slide along the slip fitting surface, carries out the degree of depth of seat depth direction and adjusts.
The technical scheme of the utility model is realized in such a way.
A head support (1) configured to support a user's head.
And a sliding seat (3) configured to be connected with the head support (1), wherein the head support (1) can be lifted up and down relative to the sliding seat (3).
And the limiting seat (5) is configured to be connected with the sliding seat (3) and limit the sliding seat (3) on the supporting seat (4).
The supporting seat (4) is configured to be connected with the chair back, the sliding seat (3) and the limiting seat (5), and a sliding matching surface is formed at the joint of the limiting seat (5) and the supporting seat (4). The limiting seat (5) can drive the sliding seat (3) and the head support piece (1) to slide along the sliding matching surface together.
The lifting of the head supporting piece (1) and the adjustment of the seat depth direction are realized, so that the head supporting piece (1) is attached to the head of a user under different postures, the user experience is better, and the comfort is improved.
Preferably, the head support (1) is provided with a sliding rail (102), the sliding rail (102) of the head support (1) is in sliding connection with a sliding boss (302) of a sliding seat (3), the sliding seat (3) is provided with a pin hole (305) and can be provided with a spherical spring pin (2), and the spherical end of the spherical spring pin (2) is matched with a spherical clamping groove (101) of the head support (1) so as to increase the damping of the head support (1) during sliding, so that the head support (1) cannot easily slide, a gear adjusting function is provided, and meanwhile, other parts are not needed to lock the head support (1), so that the part cost is saved, the assembly process is accelerated, and the production efficiency is improved.
Preferably, the sliding seat (3) is provided with a bolt seat (304), the bolt seat (304) of the sliding seat (3) penetrates through a square hole (402) of the supporting seat (4) and is arranged in a through hole (502) of the limiting seat (5), a certain gap is formed between the through hole (502) and a counter bore (503) which are arranged on the limiting seat (5) and the bolt seat (304) of the sliding seat (3), a rotating shaft boss (501) of the limiting seat (5) penetrates through the square hole (402) of the supporting seat (4) and is connected with the rotating shaft seat (301) of the sliding seat (3) to form rotating fit, a spring (6) is arranged in the gap between the bolt seat (304) of the sliding seat (3) and the counter bore (503) of the limiting seat (5), the bolt (7) is assembled in the bolt (7) of the supporting seat (4), the spring (6) is limited and pre-tightened, the pre-tightened spring (6) provides continuous elastic force for the bolt seat (3) and the limiting seat (5) on which are provided with the bolt (7), the sliding seat (3) and the limiting seat (5) are tightly attached to the supporting seat (4).
Preferably, the limiting seat (5) is provided with an arc convex surface (504) which is connected with an arc concave surface (403) arranged on the supporting seat (4) to form sliding fit, and the limiting seat (5) can drive the sliding seat (3) and the head support (1) to slide along the sliding fit surface together, so that the depth adjustment in the seat depth direction is performed.
Preferably, the sliding seat (3) is provided with a pawl (303), and the supporting seat (4) is provided with a ratchet (401) which can be engaged with the pawl (303) of the sliding seat (3) to limit the sliding seat (3). Under the action of the pre-tightened spring (6), the pawl (303) of the sliding seat (3) is always meshed with the ratchet (401) of the supporting seat (4), so that the ratchet (401) of the supporting seat (4) can limit the sliding seat (3), and the sliding seat (3) with the head support (1) cannot slide backwards when supporting the head of a user. The ratchet (401) is provided with a plurality of groups, and the function of adjusting gears can be realized. When the depth of the head support piece (1) in the seat depth direction needs to be adjusted again, so that the head support piece (1), the sliding seat (3) and the limiting seat (5) slide backwards, the head support piece (1) only needs to be rotated, the sliding seat (3) is driven to rotate by taking the rotating shaft seat (301) of the sliding seat (3) as a rotating center, the pawl (303) of the sliding seat (3) is separated from the ratchet (401) of the supporting seat (4), the sliding seat (3) can slide backwards, when the head support piece (1) stops rotating, the sliding seat (3) is under the action of the spring (6), the pawl (303) is meshed with the ratchet (401) of the supporting seat (4) again, the sliding seat (3) is limited again, the head support piece (1) and the limiting seat (5) cannot slide backwards, and the depth adjustment of the head support piece (1) in the seat depth direction is completed.
The design starting point, the concept and the beneficial effect of the utility model adopting the technical scheme are as follows.
Realize the lift of head support piece (1), the deep direction degree of depth of seat and adjust, make head support piece (1) can laminate user's head under the different postures, the travelling comfort is better.
The number of parts is few, stable in structure, and structures such as slide rail (102), slip boss (302), pawl (303), ratchet (401) can be when moulding plastics together shaping, need not other spare parts, have saved spare part cost for provide production efficiency, again because of the part is few, compact structure makes this subassembly whole succinct pleasing to the eye more.
Drawings
FIG. 1 is a perspective view of a head support assembly of a chair according to an embodiment of the present invention.
Figure 2 is an exploded view of a head support assembly of a chair according to an embodiment of the present invention.
Figure 3 is a diagram illustrating the movement of a head support assembly of a chair according to an embodiment of the present invention.
Figure 4 is a partial cross-sectional view showing the movement of the head support assembly of the chair according to the embodiment of the present invention.
FIG. 5 is a schematic structural view of a head support according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a sliding seat according to an embodiment of the present invention.
FIG. 7 is a schematic structural diagram of a support base according to an embodiment of the utility model.
FIG. 8 is a schematic structural diagram of a position limiting base according to an embodiment of the present invention.
FIG. 9 is a diagram illustrating the movement of the parts for adjusting the seat depth according to the embodiment of the present invention.
Fig. 10 is an assembled cross-sectional view of the rotating shaft boss of the limiting seat and the rotating shaft seat of the sliding seat according to the embodiment of the present invention.
FIG. 11 is a sectional view of the sliding seat and the limiting seat assembled integrally according to an embodiment of the present invention.
The figures are numbered: a head support (1); a spherical clamping groove (101); a slide rail (102); a spherical spring pin (2); a sliding seat (3); a rotating shaft seat (301); a sliding boss (302); a pawl (303); a bolt seat (304); a support base (4); a ratchet (401); a square hole (402); a circular arc concave surface (403); a limiting seat (5); a rotating shaft boss (501); a through hole (502); a counterbore (503); a circular arc convex surface (504); a spring (6); and a bolt (7).
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The embodiments of the present invention are as follows.
As shown in fig. 1, 2, 3, 4, 5, and 6, the present invention provides a head support assembly of a chair, which includes a head support member (1) configured to support a head of a user, a sliding seat (3) connected to the head support member (1), wherein the head support member (1) can be lifted up and down relative to the sliding seat (3), the sliding seat (3) is connected to a limiting seat (5) which limits the sliding seat (3) on a supporting seat (4), and the supporting seat (4) connected to a chair back, the sliding seat (3), and the limiting seat (5), a sliding fitting surface is formed at a joint of the limiting seat (5) and the supporting seat (4), and the limiting seat (5) can drive the sliding seat (3) and the head support member (1) to slide along the sliding fitting surface together, thereby realizing depth adjustment of the head support member (1) in a seat depth direction.
The head support (1) can be lifted up and down relative to the sliding seat (3), and specifically: the head support (1) is provided with a slide rail (102), and the slide rail (102) of the head support (1) is connected with a sliding boss (302) of the sliding seat (3) in a sliding manner.
In order to stop the head support (1) after the head support can slide to a specified position, a limit locking capability is required, in particular.
The sliding seat (3) is additionally provided with a pin hole (305) and can be filled with a spherical spring pin (2), the spherical end of the spherical spring pin (2) is matched with a spherical clamping groove (101) of the head support (1) so as to increase the damping of the head support (1) during sliding, the head support (1) cannot slide easily and provide a gear adjusting function, when certain force is used for directly sliding the head support (1), the spherical clamping groove (101) extrudes the spherical surface of the spherical spring pin (2), the spherical surface of the spherical spring pin (2) retracts into a cylinder, the damping which obstructs the sliding of the head support (1) is reduced, the head support (1) can slide freely until the spherical spring pin (2) is popped up and blocks the spherical clamping groove (101) when encountering the next spherical clamping groove (101).
The above paragraphs describe the function of lifting the head support (1), and the following description describes the function of adjusting the depth of the head support (1) in the seat depth direction.
As shown in fig. 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, a bolt seat (304) of a sliding seat (3) passes through a square hole (402) of a supporting seat (4) and is arranged in a through hole (502) of a limiting seat (5), a certain gap is formed between the through hole (502) and a counter bore (503) arranged on the limiting seat (5) and the bolt seat (304) of the sliding seat (3), a rotating shaft boss (501) of the limiting seat (5) passes through the square hole (402) of the supporting seat (4) and is connected with the rotating shaft seat (301) of the sliding seat (3) to form rotating fit, a spring (6) is arranged in the gap between the bolt seat (304) of the sliding seat (3) and the counter bore (503) of the limiting seat (5), the bolt (7) is assembled in the bolt (7) of the supporting seat (4), the spring (6) is limited and pre-tightened, the pre-tightened spring (6) provides continuous elastic force for the sliding seat (3) provided with the bolt seat (7) and the limiting seat (5), the sliding seat (3) and the limiting seat (5) are tightly attached to the supporting seat (4). The limiting seat (5) is provided with an arc convex surface (504) which is connected with an arc concave surface (403) arranged on the supporting seat (4) to form sliding fit, and the limiting seat (5) can drive the sliding seat (3) and the head support piece (1) to slide along a sliding fit surface together, so that the depth of the seat in the depth direction is adjusted.
The limiting seat (5), the sliding seat (3) and the head support (1) can slide to a specified position along the arc convex surface (504) of the supporting seat (4) and then can stay at the specified position, so that the limiting and locking capacity is required, and particularly.
The sliding seat (3) is provided with a pawl (303), and the supporting seat (4) is provided with a ratchet (401) which can be engaged with the pawl (303) of the sliding seat (3) in a clamping manner to limit the sliding seat (3). Under the action of the pre-tightened spring (6), the pawl (303) of the sliding seat (3) is always meshed with the ratchet (401) of the supporting seat (4), so that the ratchet (401) of the supporting seat (4) can limit the sliding seat (3), and the sliding seat (3) with the head support (1) cannot slide backwards when supporting the head of a user. The ratchet (401) is provided with a plurality of groups, and the function of adjusting gears can be realized. When the seat depth needs to be adjusted again, the head support piece (1), the sliding seat (3) and the limiting seat (5) slide backwards, the head support piece (1) only needs to be rotated, the sliding seat (3) is driven to rotate by taking the rotating shaft seat (301) of the sliding seat (3) as a rotating center, the pawl (303) of the sliding seat (3) is separated from the ratchet (401) of the supporting seat (4), the sliding seat (3) can slide backwards, meanwhile, the spring (6) is compressed again by the bolt (7), when the head support piece (1) stops rotating, the sliding seat (3) is meshed with the ratchet (401) of the supporting seat (4) again under the action of the spring (6), the sliding seat (3) is limited again, the head support piece (1) and the limiting seat (5) are connected, the head support piece (1) and the limiting seat (5) cannot slide backwards, and the depth adjustment in the seat depth direction is completed.
Although the present invention has been described with reference to the above embodiments, it should be understood that the present invention is not limited to the above embodiments, and other embodiments and modifications may be made by those skilled in the art without departing from the scope of the present invention.
Claims (5)
1. A head support assembly for a chair, comprising:
a head support (1) configured to support a user's head;
a sliding seat (3) configured to connect the head support (1), and the head support (1) can be lifted up and down relative to the sliding seat (3);
the limiting seat (5) is configured to be connected with the sliding seat (3) and limit the sliding seat (3) on the supporting seat (4);
the supporting seat (4) is configured to be connected with the chair back, the sliding seat (3) and the limiting seat (5), a sliding matching surface is formed at the joint of the limiting seat (5) and the supporting seat (4), and the limiting seat (5) can drive the sliding seat (3) and the head supporting piece (1) to slide along the sliding matching surface.
2. The head support assembly of a chair of claim 1, wherein: the head support piece (1) is provided with a slide rail, and the slide rail of the head support piece (1) is connected with the sliding boss (302) of the sliding seat (3) in a sliding manner.
3. The head support assembly of a chair of claim 1, wherein: the sliding seat (3) is provided with a bolt seat (304), the bolt seat (304) of the sliding seat (3) penetrates through a square hole (402) of the supporting seat (4) and is arranged in a through hole (502) of the limiting seat (5), a certain gap is reserved between the through hole (502) and a counter bore (503) which are arranged on the limiting seat (5) and the bolt seat (304) of the sliding seat (3), and a rotating shaft boss (501) of the limiting seat (5) penetrates through the square hole (402) of the supporting seat (4) and is connected with a rotating shaft seat of the sliding seat (3) to form rotating fit.
4. A head support assembly for a chair according to claim 1 or 3, wherein: the limiting seat (5) is provided with an arc convex surface (504) which is connected with an arc concave surface (403) arranged on the supporting seat (4) to form sliding fit.
5. A head support assembly for a chair according to claim 1 or 3, wherein: the sliding seat (3) is provided with a pawl (303), and the supporting seat (4) is provided with a ratchet (401) which can be engaged with the pawl (303) of the sliding seat (3) in a clamping manner to limit the sliding seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766616.1U CN215456708U (en) | 2021-07-31 | 2021-07-31 | Head supporting component of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766616.1U CN215456708U (en) | 2021-07-31 | 2021-07-31 | Head supporting component of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215456708U true CN215456708U (en) | 2022-01-11 |
Family
ID=79753752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121766616.1U Expired - Fee Related CN215456708U (en) | 2021-07-31 | 2021-07-31 | Head supporting component of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215456708U (en) |
-
2021
- 2021-07-31 CN CN202121766616.1U patent/CN215456708U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |