CN103407390A - Headrest lifting device of seat with headrest - Google Patents
Headrest lifting device of seat with headrest Download PDFInfo
- Publication number
- CN103407390A CN103407390A CN2013103530734A CN201310353073A CN103407390A CN 103407390 A CN103407390 A CN 103407390A CN 2013103530734 A CN2013103530734 A CN 2013103530734A CN 201310353073 A CN201310353073 A CN 201310353073A CN 103407390 A CN103407390 A CN 103407390A
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- headrest
- pillar
- retarder
- backrest
- seat
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- 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.)
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- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a headrest lifting device of a seat with a headrest. The headrest lifting device comprises a column connected with the headrest, the column penetrates a sleeve on a backrest of the seat and can move vertically in the sleeve, an inhaul cable is arranged, one end of the inhaul cable is connected with the column, the inhaul cable is coiled on a first fixed pulley at the position higher than the connecting position, and the other end of the inhaul cable is connected with the output end of a reducer. A return spring is further arranged, one end of the spring is connected with the column, and the other end of the spring is connected with the backrest. A handle or a motor is arranged to be connected with the reducer. The reducer is arranged on the backrest, below a seat plate or on the lateral side of the seat plate. The inhaul cable is coiled on a second fixed pulley to be connected with the output end of the reducer. One or two pins are arranged on an output wheel of the output end of the reducer, and meanwhile, one or two locating pins corresponding to the pins on the output wheel are arranged on the reducer. The headrest lifting device is simple in structure, low in cost, easy to manufacture and convenient to maintain, enables users to adjust the height manually and has low requirements for power systems on vehicles.
Description
Technical field
The present invention relates to vehicle accessory, specifically a kind of headrest jacking system of taking the lead the pillow chair.
Background technology
Seat commonly used, its structure comprises seat board and backrest, and the people is sitting on seat board, and back contacts with backrest, because neck does not have support, can't loosen the neck position, easily makes people's waist, neck fatigue after the time is long.For addressing this problem, publication number is that CN201718807U's " office seating " disclosed structure is: consist of seat board, backboard, headrest, handrail and leg, wherein, described headrest lower end is provided with oval slotted hole, and headrest is connected with described backboard by screw by the oval slotted hole of its lower end.During use, can manually unclamp screw, headrest is adjusted to the fixing headrest of tighten the screws behind the position of wanting.The headrest of this structure, when adapting to the people of different heights, be difficult for being adjusted to the position of wanting, will repeatedly regulate the adaptive height that repeatedly just can reach desirable, and adjusting is difficult, the screw of manually tightening is easily loosening, cause the in use position of resting the head on to descend, use inconvenience.
For addressing this problem, " a kind of seat with headrest " that the inventor is 201310266379.6 at the number of patent application of first to file provides such structure: a kind of seat with headrest, comprise backrest and the headrest that is arranged on the backrest top, described headrest is connected with lift locating device; Wherein, lift locating device comprises pillar, nut, worm screw and motor, and described pillar and nut are connected, and nut is equipped mutually with worm screw, and worm screw is connected with motor; Headrest is connected with pillar, and pillar passes the sleeve pipe be arranged on backrest, but pillar up-and-down movement in sleeve pipe.The lift locating device of another kind of structure comprises pillar, nut, worm screw and motor, and described pillar is two, and two pillars connect by connecting rod, and connecting rod and nut are connected, and nut is equipped mutually with worm screw, and worm screw is connected with motor; Headrest is connected with two pillars, and two pillars pass respectively two sleeve pipes that are arranged on backrest, but pillar up-and-down movement in sleeve pipe; The top of described headrest also is provided with swing head rest.The lift locating device of these two kinds of structures, be all by the rotation of driven by motor worm screw, leans on the nut equipped with worm screw to drive the headrest lifting, and this structure worm screw promotes more complicated, is difficult for manufacturing keeping in repair, and cost is higher; In the vehicle that a large amount of seats such as big bus, aircraft, railway carriage are arranged, if opening motor simultaneously, passengers regulate, can cause power shortage, to having relatively high expectations of electric power system.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, and provide a kind of simple in structure, cost is low, easy to manufacture, easy to maintenance, and electric power system is required to lower headrest jacking system of taking the lead the pillow chair.
The objective of the invention is to realize by following technical scheme:
A kind of headrest jacking system of taking the lead the pillow chair, comprise the pillar be connected with headrest, pillar passes the sleeve pipe be arranged on back of seat, but pillar is up-and-down movement in sleeve pipe, unlike the prior art be: be provided with drag-line, one end of drag-line is connected with pillar, and the guy cable rounds position is higher than the first fixed pulley of junction, and the other end is connected with the mouth of retarder.
Also be provided with pull back spring, an end of spring is connected with pillar, and the other end is connected with backrest.
The second headrest jacking system under same thinking, comprise two pillars that connect by connecting rod, headrest is connected with two pillars, article two, pillar passes respectively two sleeve pipes that are arranged on back of seat, but pillar is up-and-down movement in sleeve pipe, unlike the prior art be: be provided with drag-line, an end of drag-line is connected with connecting rod or pillar, the guy cable rounds position is higher than the first fixed pulley of junction, and the other end is connected with the mouth of retarder.
Also be provided with pull back spring, an end of spring is connected with connecting rod or pillar, and the other end is connected with backrest.
Also being provided with handle or motor is connected with the retarder input end.
Described retarder is arranged on backrest, or the below of seat board or side.
Described guy cable rounds the second fixed pulley is connected with the mouth of retarder.
The output wheel of described retarder mouth is provided with 1 or 2 pins, on retarder, also is being provided with 1 or 2 positioning pins corresponding with the pin on output wheel simultaneously.
The present invention is simple in structure, cost is low, easy to manufacture, easy to maintenance, can the manual regulation height, to the electric system on the vehicle, require lower.
The accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the lifting device structure schematic diagram that is provided with motor in embodiment 1;
Fig. 3 is the schematic diagram of retarder in embodiment 1;
Fig. 4 is the structural representation of embodiment 2.
In figure, 1. backrest 2. headrest 3. pillar 3-1. first pillar 3-2. second pillar 4. first fixed pulley 5. drag-line 6. retarder 7. motor 8. sleeve pipe 8-1. first sleeve pipe 8-2. the second sleeve pipe 9. head rest 10. second fixed pulley 11. spring 12. seat board 13. connecting rod 14. output wheel 15. pin 16. positioning pins.
The specific embodiment
Below in conjunction with drawings and Examples, content of the present invention is further described, but is not limitation of the invention.
Embodiment 1:
With reference to Fig. 1, a kind of headrest jacking system of taking the lead the pillow chair, comprise and headrest 2 pillars that are connected 3, pillar 3 passes the sleeve pipe 8 be arranged on back of seat 1, but pillar 3 is up-and-down movement in sleeve pipe 8, be provided with drag-line 5, an end of drag-line 5 is connected with pillar 3, drag-line 5 is walked around first fixed pulley 4 of position higher than junction, and the other end is connected with the mouth of retarder 6.
Be provided with handle and be connected with the input end of retarder 6, to facilitate the height of manual regulation headrest 2, do not affect the electric system on the vehicle.
Also be provided with pull back spring 11, an end of spring 11 is connected with pillar 3, and the other end is connected with backrest 1, more steady while making to rest the head on 2 upper and lower operation.
With reference to Fig. 2, also be provided with motor 7 and be connected with the input end of retarder 6, so that realize the lifting of electrical control headrest 2.
Described retarder 6 is arranged on backrest 1, or the below of seat board 12 or side.If retarder is M/C, retarder can be located at below or the side of seat board 12; If retarder 6 is connected with motor 7, by motor 7, drive retarders, when this situation, retarder 6 can be located on the backrest 1 of seat, or the below of seat board 12 or side can, to facilitate, manufacture and operation.
Described drag-line 5 is walked around the second fixed pulley 10 and is connected with the mouth of retarder 6, is convenient to drag-line 5 and turns round.
The top of headrest 2 also is provided with swing head rest 9.
During use, as long as manually or by motor 7 drive retarder 6, make the mouth rotation of retarder 6, can by drag-line 5, regulate the height of headrest 2, make it to meet the requirement for height of different user's needs.
With reference to Fig. 3, excessive for avoiding the user to pass through rotatable handle retarder input end, draw evil idea or draw loose drag-line 5, the output wheel 14 of retarder 6 mouths is provided with 1 or 2 pins 15, simultaneously on retarder 6, also be provided with 1 or 2 positioning pins 16 corresponding with the pin 15 on output wheel 14, during output wheel 14 rotation, pin 15 pin 16 that can be positioned blocks, in order to control the rotating distance of output wheel 14.
Embodiment 2:
With reference to Fig. 4, a kind of headrest jacking system of taking the lead the pillow chair, comprise two pillars that connect by connecting rod 13, i.e. the first pillar 3-1 and the second pillar 3-2, headrest 2 is connected with two pillars, article two, pillar passes respectively two sleeve pipes that are arranged on back of seat 1, i.e. the first sleeve pipe 8-1 and the second sleeve pipe 8-2, but pillar is up-and-down movement in sleeve pipe, be provided with drag-line 5, one end of drag-line 5 is connected with connecting rod 13 or pillar, and drag-line 5 is walked around first fixed pulley 4 of position higher than junction, and the other end is connected with the mouth of retarder 6.
Also be provided with pull back spring 11, an end of spring 11 is connected with connecting rod 13 or pillar, and the other end is connected with backrest 1.
All the other are with embodiment 1.
Claims (8)
1. take the lead the headrest jacking system of pillow chair for one kind, comprise the pillar be connected with headrest, pillar passes the sleeve pipe be arranged on back of seat, but pillar is up-and-down movement in sleeve pipe, it is characterized in that: be provided with drag-line, one end of drag-line is connected with pillar, and the guy cable rounds position is higher than the first fixed pulley of junction, and the other end is connected with the mouth of retarder.
2. headrest jacking system according to claim 1, it is characterized in that: also be provided with pull back spring, an end of spring is connected with pillar, and the other end is connected with backrest.
3. take the lead the headrest jacking system of pillow chair for one kind, comprise two pillars that connect by connecting rod, headrest is connected with two pillars, article two, pillar passes respectively two sleeve pipes that are arranged on back of seat, but pillar is up-and-down movement in sleeve pipe, it is characterized in that: be provided with drag-line, an end of drag-line is connected with connecting rod or pillar, the guy cable rounds position is higher than the first fixed pulley of junction, and the other end is connected with the mouth of retarder.
4. headrest jacking system according to claim 1, it is characterized in that: also be provided with pull back spring, an end of spring is connected with connecting rod or pillar, and the other end is connected with backrest.
5. according to the described headrest jacking system of claim 1 or 3, it is characterized in that: also be provided with handle or motor and be connected with the input end of retarder.
6. according to the described headrest jacking system of claim 1 or 3, it is characterized in that: described retarder is arranged on backrest, or the below of seat board or side.
7. according to the described headrest jacking system of claim 1 or 3, it is characterized in that: described guy cable rounds the second fixed pulley is connected with the mouth of retarder.
8. according to the described headrest jacking system of claim 1 or 3, it is characterized in that: the output wheel of described retarder mouth is provided with 1 or 2 pins, on retarder, also is being provided with 1 or 2 positioning pins corresponding with the pin on output wheel simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353073.4A CN103407390B (en) | 2013-08-14 | 2013-08-14 | A kind of headrest lowering or hoisting gear taking the lead pillow chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353073.4A CN103407390B (en) | 2013-08-14 | 2013-08-14 | A kind of headrest lowering or hoisting gear taking the lead pillow chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103407390A true CN103407390A (en) | 2013-11-27 |
| CN103407390B CN103407390B (en) | 2016-06-15 |
Family
ID=49600454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310353073.4A Expired - Fee Related CN103407390B (en) | 2013-08-14 | 2013-08-14 | A kind of headrest lowering or hoisting gear taking the lead pillow chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103407390B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19921147A1 (en) * | 1999-05-07 | 2000-11-16 | Itw Ateco Gmbh | Adjustable seat with headrest, has seat transmission to transform adjustment movement of first part into that of second part |
| DE19513705C5 (en) * | 1995-04-11 | 2005-09-08 | Lear Corp., Southfield | Longitudinally adjustable vehicle seat |
| CN1709745A (en) * | 2004-06-18 | 2005-12-21 | 爱信精机株式会社 | Headrest device |
| CN201816484U (en) * | 2009-10-30 | 2011-05-04 | 福特环球技术公司 | Headrest system for motor vehicle |
| CN202106873U (en) * | 2011-05-24 | 2012-01-11 | 阮小晨 | Adjusting seat |
| CN203485792U (en) * | 2013-08-14 | 2014-03-19 | 阮小晨 | Headrest elevating device with headrest seat |
-
2013
- 2013-08-14 CN CN201310353073.4A patent/CN103407390B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19513705C5 (en) * | 1995-04-11 | 2005-09-08 | Lear Corp., Southfield | Longitudinally adjustable vehicle seat |
| DE19921147A1 (en) * | 1999-05-07 | 2000-11-16 | Itw Ateco Gmbh | Adjustable seat with headrest, has seat transmission to transform adjustment movement of first part into that of second part |
| CN1709745A (en) * | 2004-06-18 | 2005-12-21 | 爱信精机株式会社 | Headrest device |
| CN201816484U (en) * | 2009-10-30 | 2011-05-04 | 福特环球技术公司 | Headrest system for motor vehicle |
| CN202106873U (en) * | 2011-05-24 | 2012-01-11 | 阮小晨 | Adjusting seat |
| CN203485792U (en) * | 2013-08-14 | 2014-03-19 | 阮小晨 | Headrest elevating device with headrest seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103407390B (en) | 2016-06-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160615 Termination date: 20180814 |