CN203860823U - Chair headrest adjusting mechanism - Google Patents
Chair headrest adjusting mechanism Download PDFInfo
- Publication number
- CN203860823U CN203860823U CN201420144353.4U CN201420144353U CN203860823U CN 203860823 U CN203860823 U CN 203860823U CN 201420144353 U CN201420144353 U CN 201420144353U CN 203860823 U CN203860823 U CN 203860823U
- Authority
- CN
- China
- Prior art keywords
- headrest
- adjusting mechanism
- chair
- locating dowel
- slide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
The utility model discloses a chair headrest adjusting mechanism which comprises a front-and-back direction adjusting structure, wherein the front-and-back direction adjusting structure comprises a guiding and positioning groove connected with a chair back and a positioning column connected with a headrest; the positioning column is matched with and arranged in the guiding and positioning groove; the guiding and positioning groove comprises an annular groove and at least one clamping opening; the clamping opening is formed in one side of the lengthwise center line of the annular groove; the clamping opening faces towards the front and communicated with the annular groove; the positioning column is connected with an elastic piece capable of enabling the positioning column to be clamped into the clamping opening. According to the utility model, the chair headrest adjusting mechanism can adjust the position of the headrest in the front-and-back direction, so that the using comfort level of the headrest is improved.
Description
Technical field
The utility model relates to a kind of seat component, is specifically related to a kind of adjusting mechanism for chair headrest.
Background technology
In existing office seating, in order to improve comfortableness, conventionally in the upper end of the chair back, headrest is set, in order to the head to people, support.In order to adapt to different users's needs, between described headrest and the chair back, be provided with the height adjustment mechanism of headrest, user can be adjusted to corresponding position by headrest according to the position of own head.In addition, during use, user's head also needs in the position of fore-and-aft direction to adjust sometimes, and to adapt to the different attitudes of head, yet equal this function not of existing headrest makes the result of use of headrest still not good enough.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of adjusting mechanism for chair headrest is provided, and this headrest controlling mechanism can regulate the position of headrest on fore-and-aft direction, improves the comfortableness that headrest is used.
The technical scheme that the utility model solves the problems of the technologies described above is:
An adjusting mechanism for chair headrest, comprises fore-and-aft direction adjustment structure, and this fore-and-aft direction adjustment structure comprises the guide-localization groove being connected with the chair back and the locating dowel being connected with headrest, and wherein, described locating dowel is matched with in guide-localization groove; Described guide-localization groove comprises cannelure and at least one bayonet socket, and described bayonet socket is arranged at a side of the longitudinal centre line of cannelure, and this bayonet socket is communicated with towards the place ahead and with cannelure; In described locating dowel, be connected with and impel this locating dowel to be entrapped in the elastic component in described bayonet socket.
A preferred version of the present utility model, wherein, described guide-localization groove is arranged on the pillow being connected with chair back upper end, and this pillow is provided with inner chamber, and described guide-localization groove is arranged on the surface of inner chamber; In described inner chamber, be provided with the slide plate sliding before and after can be in this inner chamber, described locating dowel is arranged on this slide plate, and the outer end of this slide plate is connected with the frame of resting the head on.
Described pillow is set on the one hand for connecting the chair back and headrest, is convenient on the other hand arrange fore-and-aft direction adjustment structure within it.
A preferred version of the present utility model, wherein, described locating dowel is connected on fixture by elastic arm, and this elastic arm forms described elastic component; Described fixture is fixedly connected on described slide plate, and this slide plate is provided with the mounting groove for mounting fixing parts.Described resilient arm structure is simple, by the elastic reaction of this elastic arm, impels locating dowel to have all the time the movement tendency snapping on bayonet socket.
A preferred version of the present utility model, wherein, described pillow is combined by upper shell and lower cover, and wherein, described guide-localization groove is arranged on lower cover; The rear end of described upper shell is provided with two linking arms for being connected with the chair back.Adopt the pillow of this structure to be convenient to arrange guide-localization groove, assembling is simple.
A preferred version of the present utility model, wherein, in described guide-localization groove, bayonet socket is a plurality of, these bayonet sockets are arranged along fore-and-aft direction.Adopt a plurality of bayonet sockets, thereby headrest can be adjusted on different front and back positions.
A preferred version of adjusting mechanism for chair headrest of the present utility model, wherein, also comprise above-below direction adjustment structure, this above-below direction adjustment structure is: two of the front end of described slide plate is provided with the joint pin extending forward, the back side of described headrest frame is provided with installing plate, the both sides of this installing plate are provided with vertical chute, joint pin on described slide plate extends to the back side through vertical chute above from installing plate, the back side of installing plate is provided with the locating part being connected with described locating dowel, is provided with the location structure of above-below direction between this locating part and installing plate.
By above-mentioned above-below direction adjustment structure is set, can further regulate the position of headrest on above-below direction, further adapt to different users's needs.
A preferred version of the present utility model, wherein, described location structure consists of the positioning convex that is located at a plurality of location recess on installing plate and be located on locating part.That this location structure has is simple in structure, locate reliable advantage.
A preferred version of the present utility model, wherein, the front end of described slide plate is provided with two to the adjutage of downward-extension, and described joint pin is arranged on this adjutage.Adopt this structure to be convenient to arrange described joint pin.
A preferred version of the present utility model, wherein, also comprises upper and lower fine tuning structure, and this upper and lower fine tuning structure is: described headrest frame is provided with the fine setting chute extending along the vertical direction; Headrest frame be provided with above adjustment block, this adjustment block fits above with headrest frame, headrest frame be provided with contiguous block below, between described adjustment block and contiguous block, by the connector through described fine setting chute, connected.
Above-mentioned upper and lower fine tuning structure, adjustment block is positioned at the centre contacting with human body head, by the position of fine setting adjustment block, makes this adjustment block be positioned at the position of the most comfortable, for user brings optimum support effect.
A preferred version of the present utility model, wherein, the surface of described headrest frame is circular arc, and described adjustment block is the circular arc consistent with headrest frame radian.The headrest of circular arc meets ergonomics requirement, brings more comfortable support.
Operation principle of the present utility model is: by fore-and-aft direction adjustment structure being set between headrest and the chair back, thereby can adjust the position on fore-and-aft direction of resting the head on respect to the chair back, it adjusts principle: the quantity of supposing described bayonet socket is a plurality of, under original state, locating dowel is positioned on one of them bayonet socket; When needs regulate headrest forward, pull forward headrest, locating dowel is left original bayonet socket and is entered into cannelure and move forward, when this locating dowel moves to the position corresponding with next bayonet socket, under the effect of elastic component, locating dowel sticks into this bayonet socket, make headrest moved forward with two adjacent bayonet sockets between distance corresponding to distance, Using such method, is stuck in locating dowel on different bayonet sockets, realizes the adjusting of front and back position; And from top bayonet socket, enter after cannelure when locating dowel, can move to cannelure backmost from the foremost of cannelure, the position of headrest pulls back to rearmost position from front position, now can continue to regulate forward headrest.
The utility model compared with prior art has following beneficial effect:
1, by fore-and-aft direction adjustment structure is set, thereby can regulate the position of headrest on fore-and-aft direction, can adapt to different users's needs, improve the comfortableness that headrest is used.
2, simple in structure, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the perspective view of a specific embodiment of adjusting mechanism for chair headrest of the present utility model.
Fig. 2 is the structural representation at another visual angle of Fig. 1.
Fig. 3 is the structural representation (explosive view) of fore-and-aft direction adjustment structure part in Fig. 1.
Fig. 4 is the structural scheme of mechanism of lower cover in Fig. 3.
Fig. 5 is the structural representation of locating dowel part in Fig. 3.
Fig. 6 and Fig. 7 are the explosive view on two visual angles in Fig. 1.
Fig. 8 is that Fig. 1 illustrated embodiment is applied to the structural representation on backrest.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Referring to Fig. 1～Fig. 8, adjusting mechanism for chair headrest of the present utility model comprises fore-and-aft direction adjustment structure, this fore-and-aft direction adjustment structure comprises the guide-localization groove being connected with the chair back 10 and the locating dowel 4-1 being connected with headrest, and wherein, described locating dowel 4-1 is matched with in guide-localization groove.Described guide-localization groove comprises cannelure 3-1 and two bayonet socket 3-2, and described bayonet socket 3-2 is arranged at a side of the longitudinal centre line of cannelure 3-1, and this bayonet socket 3-2 is communicated with towards the place ahead and with cannelure 3-1, and described two bayonet socket 3-2 arrange on fore-and-aft direction; On described locating dowel 4-1, be connected with and impel this locating dowel 4-1 to be entrapped in the elastic component in described bayonet socket 3-2.
Referring to Fig. 3～Fig. 5, described guide-localization groove is arranged on the pillow being connected with the chair back 10 upper ends, and this pillow is provided with inner chamber, and described guide-localization groove is arranged on the surface of inner chamber; In described inner chamber, be provided with the slide plate 1 sliding before and after can be in this inner chamber, described locating dowel 4-1 is arranged on this slide plate 1, and the outer end of this slide plate 1 is connected with the frame 8 of resting the head on.Particularly, described pillow is combined by upper shell 1 and lower cover 3, and wherein, described guide-localization groove is arranged on lower cover 3; The rear end of described upper shell 1 is provided with two linking arm 2-1 for being connected with the chair back 10.
Referring to Fig. 3～Fig. 5, described locating dowel 4-1 is connected on fixture 4 by elastic arm 4-2, and this elastic arm 4-2 forms described elastic component; Described fixture 4 is fixedly connected on described slide plate 1, and this slide plate 1 is provided with for the mounting groove 1-4 of mounting fixing parts 4 and for holding the holding tank 1-1 of described locating dowel 4-1.Described elastic arm 4-2 is simple in structure, by the elastic reaction of this elastic arm 4-2, impels locating dowel 4-1 to have all the time the movement tendency snapping on bayonet socket 3-2, when locating dowel 4-1 moves to the position corresponding with bayonet socket 3-2, automatically snaps onto in bayonet socket 3-2.
Referring to Fig. 6 and Fig. 7, adjusting mechanism for chair headrest of the present utility model also comprises above-below direction adjustment structure, this above-below direction adjustment structure is: two of the front end of described slide plate 1 is provided with the joint pin 1-3 extending forward, the back side of described headrest frame 8 is provided with installing plate 5, the both sides of this installing plate 5 are provided with vertical chute 5-1, joint pin 1-3 on described slide plate 1 extends to the back side through vertical chute 5-1 above from installing plate 5, the back side of installing plate 5 is provided with the locating part 6 being connected with described locating dowel 4-1, between this locating part 6 and installing plate 5, be provided with the location structure of above-below direction.Described location structure consists of the positioning convex 6-1 that is located at a plurality of location recess 5-2 on installing plate 5 and be located on locating part 6, and the front end of described slide plate 1 is provided with two to the adjutage 1-2 of downward-extension, and described joint pin 1-3 is arranged on this adjutage 1-2.
Referring to Fig. 6 and Fig. 7, the operation principle of above-mentioned above-below direction adjustment structure is: in the time of need to regulating height of headrest, pull headrest frame 8 to move along the vertical direction, described installing plate 5 also relative limit part 6 moves up and down, after being adjusted to the height needing, described positioning convex 6-1 is embedded in corresponding location recess 5-2, makes headrest can be fixed on this height and position.
Referring to Fig. 6 and Fig. 7, adjusting mechanism for chair headrest of the present utility model also comprises upper and lower fine tuning structure, and this upper and lower fine tuning structure is: described headrest frame 8 is provided with the fine setting chute 8-1 extending along the vertical direction; Headrest frame 8 be provided with above adjustment block 9, this adjustment block 9 fits above with headrest frame 8, headrest frame 8 be provided with contiguous block 7 below, between described adjustment block 9 and contiguous block 7, by the connector through described fine setting chute 8-1, connected, this connector is screw.The surface of described headrest frame 8 is circular arc, and described adjustment block 9 is the circular arc consistent with headrest frame 8 radians.In headrest finished product, the face cloth of headrest covers in described headrest frame 8 and adjustment block 9, and adjustment block 9 is positioned at the centre contacting with human body head, by the position of fine setting adjustment block 9, make this adjustment block 9 be positioned at the position of the most comfortable, for user brings optimum support effect.
Above-mentioned is preferably embodiment of the utility model; but embodiment of the present utility model is not subject to the restriction of foregoing; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (10)
1. an adjusting mechanism for chair headrest, is characterized in that, comprises fore-and-aft direction adjustment structure, and this fore-and-aft direction adjustment structure comprises the guide-localization groove being connected with the chair back and the locating dowel being connected with headrest, and wherein, described locating dowel is matched with in guide-localization groove; Described guide-localization groove comprises cannelure and at least one bayonet socket, and described bayonet socket is arranged at a side of the longitudinal centre line of cannelure, and this bayonet socket is communicated with towards the place ahead and with cannelure; In described locating dowel, be connected with and impel this locating dowel to be entrapped in the elastic component in described bayonet socket.
2. adjusting mechanism for chair headrest according to claim 1, is characterized in that, described guide-localization groove is arranged on the pillow being connected with chair back upper end, and this pillow is provided with inner chamber, and described guide-localization groove is arranged on the surface of inner chamber; In described inner chamber, be provided with the slide plate sliding before and after can be in this inner chamber, described locating dowel is arranged on this slide plate, and the outer end of this slide plate is connected with the frame of resting the head on.
3. adjusting mechanism for chair headrest according to claim 2, is characterized in that, described locating dowel is connected on fixture by elastic arm, and this elastic arm forms described elastic component; Described fixture is fixedly connected on described slide plate, and this slide plate is provided with the mounting groove for mounting fixing parts.
4. adjusting mechanism for chair headrest according to claim 3, is characterized in that, described pillow is combined by upper shell and lower cover, and wherein, described guide-localization groove is arranged on lower cover; The rear end of described upper shell is provided with two linking arms for being connected with the chair back.
5. adjusting mechanism for chair headrest according to claim 1, is characterized in that, in described guide-localization groove, bayonet socket is a plurality of, and these bayonet sockets are arranged along fore-and-aft direction.
6. adjusting mechanism for chair headrest according to claim 2, it is characterized in that, also comprise above-below direction adjustment structure, this above-below direction adjustment structure is: two of the front end of described slide plate is provided with the joint pin extending forward, the back side of described headrest frame is provided with installing plate, the both sides of this installing plate are provided with vertical chute, joint pin on described slide plate extends to the back side through vertical chute above from installing plate, the back side of installing plate is provided with the locating part being connected with described locating dowel, is provided with the location structure of above-below direction between this locating part and installing plate.
7. adjusting mechanism for chair headrest according to claim 6, is characterized in that, described location structure consists of the positioning convex that is located at a plurality of location recess on installing plate and be located on locating part.
8. adjusting mechanism for chair headrest according to claim 7, is characterized in that, the front end of described slide plate is provided with two to the adjutage of downward-extension, and described joint pin is arranged on this adjutage.
9. adjusting mechanism for chair headrest according to claim 2, is characterized in that, also comprises upper and lower fine tuning structure, and this upper and lower fine tuning structure is: described headrest frame is provided with the fine setting chute extending along the vertical direction; Headrest frame be provided with above adjustment block, this adjustment block fits above with headrest frame, headrest frame be provided with contiguous block below, between described adjustment block and contiguous block, by the connector through described fine setting chute, connected.
10. adjusting mechanism for chair headrest according to claim 9, is characterized in that, the surface of described headrest frame is circular arc, and described adjustment block is the circular arc consistent with headrest frame radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144353.4U CN203860823U (en) | 2014-03-26 | 2014-03-26 | Chair headrest adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144353.4U CN203860823U (en) | 2014-03-26 | 2014-03-26 | Chair headrest adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203860823U true CN203860823U (en) | 2014-10-08 |
Family
ID=51641816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144353.4U Expired - Fee Related CN203860823U (en) | 2014-03-26 | 2014-03-26 | Chair headrest adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203860823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109198938A (en) * | 2018-11-26 | 2019-01-15 | 安旭东 | A kind of seat with flat panel loudspeaker |
-
2014
- 2014-03-26 CN CN201420144353.4U patent/CN203860823U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109198938A (en) * | 2018-11-26 | 2019-01-15 | 安旭东 | A kind of seat with flat panel loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20210326 |