CN209360116U - Headrest adjusting structure for bed chair - Google Patents
Headrest adjusting structure for bed chair Download PDFInfo
- Publication number
- CN209360116U CN209360116U CN201821173773.XU CN201821173773U CN209360116U CN 209360116 U CN209360116 U CN 209360116U CN 201821173773 U CN201821173773 U CN 201821173773U CN 209360116 U CN209360116 U CN 209360116U
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- China
- Prior art keywords
- connecting rod
- headrest
- support bar
- backrest portion
- rod
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
For the headrest adjusting structure of bed chair, backrest portion one end and headrest portion are rotatablely connected, and the backrest portion other end and main frame rotation are arranged, and push-rod electric machine one end and main frame rotation are arranged；It further include first connecting rod, second connecting rod；Described first connecting rod one end and headrest portion are rotatablely connected, the rotation connection of one end of the first connecting rod other end and second connecting rod, the other end and backrest portion or main frame of second connecting rod are rotatablely connected, runing rest includes first support bar, second support bar, cross bar and connector, first and second support rod and connector are separately positioned on cross bar two sides and are fixedly connected with cross bar, the push-rod electric machine other end and connector rotation are arranged, the cross bar and main frame are rotatablely connected, and second connecting rod corresponds to first support bar setting；When the runing rest is rotated up, first support bar first contradicts second connecting rod, and second connecting rod drives headrest to lean forward by first connecting rod；Then second support bar contradicts backrest portion again.
Description
Technical field
The utility model relates to the headrest adjusting structures for bed chair.
Background technique
China Patent Publication No. CN203000077U, disclosed headrest adjustable electric adjust head of a bed pillow adjustable electric and adjust
Bed, comprising: lower frame, upper frame, calf plate, thigh plate, after-poppet cross bar, after-poppet strut, rear motor contact, rear electricity
Machine, fixed plate, rear motor fixture, back plate are slidably connected between the upper frame and lower frame, calf plate and thigh plate one
Side rotation connection, thigh plate another side are rotatablely connected on one side with fixed plate, and fixed plate another side is rotatablely connected on one side with back plate,
Fixed plate is fixedly connected with upper frame, and the rear motor fixture is fixedly connected with fixed plate, and rear motor tail portion and rear motor are solid
Determine part rotation connection, after-poppet cross bar and upper frame are rotatablely connected, and after-poppet strut is fixedly connected with after-poppet cross bar, rear motor
Connector one end and rear motor push rod are rotatablely connected, and the other end is fixedly connected with after-poppet cross bar, described back stay one end with it is small
The rotation connection of leg plate, the other end and upper frame are rotatablely connected, and the pulley and after-poppet strut are rotatablely connected, it is characterised in that:
It further include headrest-plate, locating part, front motor fixing piece, front motor, fore-stock cross bar, front motor support, short rod, headrest fixation
Part, front motor connector, front tension bar and supporting element, the back plate another side is connect with headrest-plate using locating part, before described
Motor fixture is fixedly connected with fixed plate, and front motor tail portion and motor fixture are rotatablely connected, the fore-stock cross bar with it is upper
Frame member connection, front motor support one end are fixedly connected with fore-stock cross bar, the front motor support other end and short rod one end
Rotation connection, the short rod other end and headrest fixing piece rotation connection, headrest fixing piece are fixedly connected with headrest-plate, and front motor connects
Fitting one end and front motor push rod are rotatablely connected, and the other end is fixedly connected with fore-stock cross bar, described front tension bar one end and back
Plate rotation connection, the other end and lower frame are rotatablely connected.
In above-mentioned technical proposal, push-rod electric machine pushes the headrest-plate with short rod rotation connection by front motor support, and
In conjunction with the synergy of front tension bar, to realize leaning forward for headrest-plate.It can be seen that structure is complicated for above-mentioned technical proposal；Work as push rod
When motor return, headrest-plate is also first to reset, and back plate resets again, such control flow to user usage experience sense compared with
Difference；In addition in above structure hinge the active force for needing to bear back plate and propping up, and such stress can seriously affect product
Whole service life.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of structure design advantages of simple, durable
Excellent, the excellent headrest adjusting structure for bed chair of comfort level of property.
The utility model provides to solve the above problems, being used for the headrest adjusting structure of bed chair, including headrest portion, backrest
Portion, main frame, push-rod electric machine, runing rest；Described backrest portion one end and headrest portion are rotatablely connected, the backrest portion other end and main frame
Frame rotation setting, push-rod electric machine one end and main frame rotation are arranged；It is characterized in that further including first connecting rod, second connecting rod；It is described
First connecting rod one end and headrest portion are rotatablely connected, and one end of the first connecting rod other end and second connecting rod is rotatablely connected, second connecting rod
The other end and backrest portion or main frame be rotatablely connected, runing rest includes first support bar, second support bar, cross bar and connection
Part, first and second support rod and connector are separately positioned on cross bar two sides and are fixedly connected with cross bar, the push-rod electric machine other end
It rotates and is arranged with connector, the cross bar and main frame are rotatablely connected, and second connecting rod corresponds to first support bar setting；The rotation
When bracket is rotated up, first support bar first contradicts second connecting rod, and second connecting rod drives headrest to lean forward by first connecting rod；Then
Second support bar contradicts backrest portion again.
Furtherly, when headrest portion and backrest portion are in same level, between the first connecting rod and second connecting rod
Angle be acute angle.
Furtherly, the second support bar is two, and two second support bars are separately positioned on first support bar two sides.
Furtherly, the first support bar, second support bar are respectively equipped with idler wheel.
Furtherly, the headrest portion, backrest portion are using framework made of metal pipe material respectively.
Furtherly, described backrest portion one end and headrest portion are rotatablely connected using hinge, and the hinge includes two hinges
Piece, bumping post and fastener, the hinge plate are equipped with aperture, and fastener passes through aperture and is rotatablely connected two hinge plates, bumping post setting
It is fixedly connected on the wherein motion profile of a hinge plate and with another hinge plate；The edge of the hinge plate is equipped with fluting, institute
Metal tube is stated to fall in fluting.
Furtherly, the first support bar, second support bar are in same level.
The utility model compared with prior art possessed by advantage:
1, after the utility model push-rod electric machine drives runing rest rotation, which can be such that headrest portion first rises, when first
Support rod, second support bar are in same level, and runing rest continues to rotate, and backrest portion and headrest portion rise steadily；When pushing away
When bar motor bounces back, first connecting rod is in impaction state, and headrest portion, which is also to maintain, to lean forward, until backrest portion falls on main frame
Headrest portion lies low again when being supported by it.It is reasonable in design, it is cheap.
2, when facing upward before pushing backrest portion, support rod directly exerts a force in backrest portion the utility model, compared with prior art may be used
Mitigate the torsion between headrest portion and backrest portion, to prolong the service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the structural schematic diagram of hinge described in the utility model embodiment 1.
Specific embodiment
It is described further with reference to the accompanying drawing and by embodiment to utility model.
Embodiment 1:
Referring to Fig. 1 to Fig. 2, be used for the headrest adjusting structure of bed chair described in the present embodiment, including headrest portion 1, backrest portion 2,
Main frame 3, push-rod electric machine 4, runing rest 5；Described 2 one end of backrest portion and headrest portion 1 are rotatablely connected, 2 other end of backrest portion with
The rotation setting of main frame 3,4 one end of push-rod electric machine and the rotation of main frame 3 are arranged.Headrest adjusting structure further includes first connecting rod 6,
Two connecting rods 7；Described 6 one end of first connecting rod and headrest portion 1 are rotatablely connected, and one end of 6 other end of first connecting rod and second connecting rod 7 turns
Dynamic connection, the other end and backrest portion 2 or main frame 3 of second connecting rod 7 are rotatablely connected, runing rest 5 include first support bar 51,
Second support bar 52, cross bar 53 and connector 54, the first support bar 51, second support bar 52 are fixed with cross bar 53 respectively to be connected
It connects, connector 54 is fixedly connected with cross bar 53, and the first support bar 51, the setting of second support bar 52 are ipsilateral in cross bar 53, even
Fitting 54 is arranged in 53 other side of cross bar.4 other end of push-rod electric machine and the rotation of connector 54 are arranged, the cross bar 53 and main frame
3 rotation connections；When the runing rest 5 is rotated up, first support bar 51 first contradicts second connecting rod 7, and second connecting rod 7 passes through the
One connecting rod 6 drives headrest to lean forward；Then second support bar 52 contradicts backrest portion 2 again.The runing rest 5 is rotated up, headrest
Portion 1 leans forward, first support bar 51 first contradict the specific embodiment of second connecting rod 7 first is that, the top of first support bar 51 with
Its similar second connecting rod 7, and 52 top spare space of second support bar is larger, therefore first support bar 51 first passes through the second company
Bar 7 goes to drive headrest portion 1, and after second connecting rod 7 moves up certain distance, second support bar 52 contradicts backrest portion 2,4 skill of push-rod electric machine
Art elongation, backrest portion 2 lean forward.
In this implementation, when headrest portion 1 and backrest portion 2 are in same level, the first connecting rod 6 and second connecting rod 7
Between angle be acute angle.When angle is acute angle, the active force to lean forward to headrest portion 1 is decomposed again more by estimating second connecting rod 7
Greatly, transmission efficiency is higher, and motor load relative requirement is smaller.
This implementation second support bar 52 is two, and two second support bars 52 are separately positioned on 51 liang of first support bar
Side.Two second support bars 52 are symmetrical arranged, stress equalization.
First support bar 51, second support bar 52 described in the present embodiment are respectively equipped with idler wheel 55.Idler wheel 55 is set and is reduced
Frictional resistance.
Headrest portion 1, backrest portion 2 described in the present embodiment are using framework made of metal pipe material respectively.
2 one end of backrest portion described in the present embodiment and headrest portion 1 are rotatablely connected using hinge, and the hinge includes two hinges
Piece 8, bumping post 81 and fastener 82, the hinge plate 8 are equipped with aperture, and fastener 82 passes through aperture and is rotatablely connected two hinge plates 8,
Bumping post 81 is disposed therein on the motion profile of a hinge plate 8 and is fixedly connected with another hinge plate 8；The side of the hinge plate 8
Edge is equipped with fluting, and the metal tube is fallen in fluting.The fastener 82 is screw bolt and nut.
The above is only the preferred embodiment of the present invention, non-the scope of the patents to limit the utility model,
He should all belong to the scope of the patents of the utility model with the equivalence changes of the patent spirit of the utility model.
Claims (7)
1. being used for the headrest adjusting structure of bed chair, including headrest portion, backrest portion, main frame, push-rod electric machine, runing rest；It is described
Backrest portion one end and headrest portion are rotatablely connected, and the backrest portion other end and main frame rotation are arranged, push-rod electric machine one end and main frame
Rotation setting；It is characterized in that further including first connecting rod, second connecting rod；Described first connecting rod one end and headrest portion are rotatablely connected, the
The other end and backrest portion or the main frame rotation of the rotation connection of one end of the one connecting rod other end and second connecting rod, second connecting rod connect
It connects, runing rest includes first support bar, second support bar, cross bar and connector, and first and second support rod and connector divide
It She Zhi not be fixedly connected in cross bar two sides and with cross bar, the push-rod electric machine other end and connector rotation are arranged, the cross bar and master
Frame member connection, second connecting rod correspond to first support bar setting；When the runing rest is rotated up, first support bar is first supported
Second connecting rod is touched, second connecting rod drives headrest to lean forward by first connecting rod；Then second support bar contradicts backrest portion again.
2. being used for the headrest adjusting structure of bed chair as described in claim 1, characterized in that when headrest portion and backrest portion are in same
When one horizontal plane, the angle between the first connecting rod and second connecting rod is acute angle.
3. being used for the headrest adjusting structure of bed chair as described in claim 1, characterized in that the second support bar is two,
Two second support bars are separately positioned on first support bar two sides.
4. the headrest adjusting structure for bed chair as described in claims 1 to 3 any claim, characterized in that described
One support rod, second support bar are respectively equipped with idler wheel.
5. the headrest adjusting structure for bed chair as described in claims 1 to 3 any claim, characterized in that the head
Occipitalia, backrest portion are using framework made of metal pipe material respectively.
6. being used for the headrest adjusting structure of bed chair as claimed in claim 5, characterized in that described backrest portion one end and headrest portion
It is rotatablely connected using hinge, the hinge includes two hinge plates, bumping post and fastener, and the hinge plate is equipped with aperture, fastening
Part pass through aperture two hinge plates are rotatablely connected, bumping post be disposed therein on the motion profile of a hinge plate and with another hinge plate
It is fixedly connected；The edge of the hinge plate is equipped with fluting, and the metal tube is fallen in fluting.
7. the headrest adjusting structure for bed chair as described in claims 1 to 3 any claim, characterized in that described
One support rod, second support bar are in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821173773.XU CN209360116U (en) | 2018-07-24 | 2018-07-24 | Headrest adjusting structure for bed chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821173773.XU CN209360116U (en) | 2018-07-24 | 2018-07-24 | Headrest adjusting structure for bed chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209360116U true CN209360116U (en) | 2019-09-10 |
Family
ID=67822818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821173773.XU Active CN209360116U (en) | 2018-07-24 | 2018-07-24 | Headrest adjusting structure for bed chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209360116U (en) |
-
2018
- 2018-07-24 CN CN201821173773.XU patent/CN209360116U/en active Active
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| GR01 | Patent grant |