CN105686433B - A kind of chair headrest of swingable adjusting - Google Patents
A kind of chair headrest of swingable adjusting Download PDFInfo
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- CN105686433B CN105686433B CN201610245899.2A CN201610245899A CN105686433B CN 105686433 B CN105686433 B CN 105686433B CN 201610245899 A CN201610245899 A CN 201610245899A CN 105686433 B CN105686433 B CN 105686433B
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- Prior art keywords
- chair
- swing seat
- drive part
- headrest
- positioning plate
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The present invention relates to the chair of swingable adjusting headrests, it include the headrest on chair, it further include swing seat, swing seat one end is rotatably connected on chair, the other end of swing seat is equipped with headrest, by the drive component in swing seat, makes swing seat that the opposite chair of headrest be driven to position or swing, realize the angular adjustment of headrest；Its is simple and reasonable for structure, and oscillation adjustment is convenient, and oscillation adjustment angle is big, but also with Telescopic, is suitble to the people of different building shape to use, adjustable range is wide.
Description
Technical field
The present invention relates to a kind of chair technology field, the chair of especially a kind of swingable adjusting is rested the head on.
Background technology
Currently, the headrest of chair, generally fixed form, or adjusting, such as Chinese patent may only be upgraded：
ZL201310637445.6, ZL201310266379.6, ZL 201320696925.5 is limited in that headrest follows always
The chair back moves, and the chair back is usually more than 90 degree with the angle of cushion, when taking straight seat（Human body waist is detached with the chair back）It is normal
When work sitting posture, the head of human body can not obtain the support of headrest to mitigate the stress of cervical vertebra, lead to cervical vertebra pain in the course of time
Probability greatly increases.
Invention content
It is an object of the invention to solve above-mentioned the deficiencies in the prior art, and provide a kind of reasonable for structure, side easy to operate
Just, headrest can for oscillation adjustment with close head, swing angle be big and can be suitble to not with multi-angle locking forward with respect to the active chair back
Chair with the swingable adjusting used under height and different sitting postures is rested the head on.
The technical solution adopted by the present invention to solve the technical problems is：
The chair of swingable adjusting is rested the head on, and includes the headrest on chair, characterized in that and further include swing seat, pendulum
Dynamic seat one end is rotatably connected on chair, and the other end of swing seat is equipped with headrest, by the drive component in swing seat, makes pendulum
Dynamic seat drives the opposite chair of headrest to position or swing, and realizes the angular adjustment of headrest.
Swing seat is set to realize positioning or swing by drive component using the chair headrest of the swingable adjusting of the structure,
To make headrest that swing seat be followed to position or swing with respect to chair, it is finally reached the purpose that headrest multi-angle is swung, is adapted to different
The people of height and weight uses, and is used using the people of different use habits.
The present invention can also use following technical measures to solve：
It being set in the swing seat there are one fixing piece and two pawls, fixing piece is equipped with tooth, and each pawl is meander-like, and two
Pawl is rotatably connected in symmetrical expression in swing seat by two connecting poles；
Drive component includes fixed frame, is oriented to framework and wobble drive part, and fixed frame is fixed in swing seat, Gu
Determine that guiding framework is installed in framework, the side for being oriented to framework offers limit opening, and limit opening bilateral type is equipped with two
Limited block, two pawl one end extend into guide housing body along limit opening and coordinate with two limited blocks, the two pawl other ends with it is solid
Determine the tooth on part and constitute cooperation or separation, the other side for being oriented to framework passes through symmetrically arranged two (the first back-moving spring and fixed frame
Body offsets, and wobble drive part is connected to the other side for being oriented to framework.
The other end of each pawl is extended with fixture block, and fixture block is equipped with the bayonet that cooperation is constituted with the tooth on fixing piece.
As specific embodiment, operation principle is that fixing piece is fixedly connected by connector with chair, passes through drawing
Movable pendulum moves actuator, and guiding framework is made to be moved toward pull direction along fixed frame, due to two limited blocks and two pawl one end fits,
And each pawl is meander-like, when two limited blocks are subjected to displacement, two limited blocks compress one end of two pawls simultaneously, make two spine
Pawl is swung around connecting pole simultaneously, and the two pawl other ends is made to switch to discrete state by mated condition with the tooth on fixing piece originally；
Fixing piece loses constraint/limitation at this time, and swing seat can be with opposed fixed member rotation/swing, to realize the head in swing seat
Pillow is swung, and realizes angular adjustment；
After adjusting, wobble drive part loses external force, and two (the first back-moving springs play reset response to being oriented to framework,
Two limited blocks in guiding framework are made to be subjected to displacement again, two limited blocks compress one end of two pawls simultaneously, make two pawls simultaneously
It is swung around connecting pole（Swaying direction is realized opposite when discrete state relatively）, make two pawl other ends scripts and the tooth on fixing piece
Mated condition is switched to by discrete state, two pawls lock positioning again with fixing piece, and swing seat opposed fixed member is realized at this time
Positioning, to realize the positioning of headrest.
It is connected with second back-moving spring between fixture block and swing seat inner wall on each pawl；The effect of second back-moving spring
It is two ratchet pawl resets of auxiliary（When pawl is switched to mated condition with fixing piece by discrete state）, keep structure compacter and close
Reason.
It is extended with guiding extension block in guiding framework between two (the first back-moving springs, is oriented on extension block and offers guiding
Slot corresponds to and is fixed with guide post in the swing seat in guide groove, and wobble drive part, which is connected to, to be oriented on the outside of extension block；Guide groove with
The cooperation of guide post, cooperation is oriented to framework both sides and the limition orientation of fixed frame both sides acts on, and makes guiding framework under tension
Or when losing pulling force reset, straight-line displacement may be implemented, keep structure compacter, correcting rate higher.
The wobble drive part is drawstring or pull rod or stretching structure, and fixing pipe, wobble drive part are connected in swing seat
It is arranged in fixing pipe.
It is arranged with telescoping tube in the fixing pipe, fixed inside pipe wall is fixed with the rack axially extended, adjacent on rack
Locating slot is constituted between two teeth, telescoping tube one end extends fixing pipe and is externally connected with headrest, the telescoping tube bullet in fixing pipe
Property be connected with positioning plate, positioning plate is driven by telescopic drive part, positioning plate and locating slot is made to constitute location fit or mutually point
From corresponding that telescoping tube is made to be relatively fixed pipe realization positioning or flexible；Assuming that positioning plate is in the state of location fit with locating slot
When（Telescoping tube is relatively fixed pipe positioning, and telescoping tube can not retract in fixing pipe）, it is fixed to be driven at this time by telescopic drive part
Position plate, makes positioning plate overcome elastic force, positioning plate is made to change, positioning plate and locating slot is made to be cut by original location fit state
Being changed to state disconnected from each other, i.e. positioning plate allows telescoping tube freely to stretch departing from locating slot, realizes telescopic adjustment function,
After regulating stroke, telescopic drive part no longer applies any power, after positioning plate loses the driving of telescopic drive part, due to elastic force
Reset makes positioning plate coordinate again with locating slot, realizes that telescoping tube is relatively fixed pipe positioning again, adjusts simply, conveniently.
The fixed inside pipe wall is fixed with two racks axially extended, structure between the two neighboring teeth on each rack
At locating slot, the telescoping tube in fixing pipe is elasticly connected with two positioning plates；As more particular embodiment, it is pre-machined out two
Rack, is fixed on the inner wall of fixing pipe by rack by fastener, and it is fixed to be constituted between the two neighboring teeth on each rack
Position slot, it is reasonable for structure.
The rack is integral type with fixed inside pipe wall；As embodiment, when rack and fixing pipe are an integral structure
When, in processing, need fixing pipe being divided into more equal portions, such as two equal portions, by rack in interior wall integral on each equal portions
It processes, then two equal portions is welded together or are reinforced together with other forms, constitute entirety, can equally reach makes
Use effect.
It is connected with sliding sleeve on telescoping tube in the fixing pipe, the outer wall of sliding sleeve is extended with multiple guiding ribs, in fixing pipe
Wall is equipped with the multiple guide grooves coordinated with multiple guiding ribs, and the end face of the sliding sleeve other end is extended with symmetrical two connecting plate, and two connect
Symmetrical two slide opening is offered on fishplate bar respectively, a slide-bar both ends are threaded through respectively on two slide openings, pass through elastic component bullet on slide-bar
Property be connected with two positioning plates, the end face of the sliding sleeve other end constitutes the limit end face to offset with positioning plate, telescopic drive part and slide-bar
Connection drives slide-bar to be slid along two slide openings, positioning plate is made to be switched to mutually by location fit with locating slot by telescopic drive part
Separation makes positioning plate be stored in sliding sleeve along limit end face, so that telescoping tube is relatively fixed pipe and is realized and stretches；
The limit end face is extended with limiting plate along sliding sleeve, and limiting plate is equipped with limit inclined-plane；
Barb is connected on the slide-bar, telescopic drive part is connect by pendant with barb, and telescopic drive part and slide-bar are made
Constitute connection.
As more particular embodiment；It is formed and is led by multiple guiding ribs of sliding sleeve outer wall and the guide groove of fixed inside pipe wall
To component, guide rib and guide slot cooperation makes to slide over and realizes axially directed sliding in fixing pipe, since telescoping tube and sliding sleeve connect
It connects, so sliding sleeve slides, that is, it is flexible to represent telescoping tube；Its operation principle is：Since positioning plate is socketed in by sleeve on slide-bar,
And positioning plate constitutes resilient engagement by elastic component and slide-bar, when telescopic drive part applies external force to positioning plate, slide-bar is along slide opening
Sliding, positioning plate, which follows, to be subjected to displacement, and positioning plate overcomes the elastic force of elastic component to be stored in sliding sleeve along limit end face, makes positioning plate
It is switched to by script location fit with locating slot disconnected from each other, telescoping tube can be relatively fixed the free telescopic adjustment of pipe at this time, adjust
After section, telescopic drive part no longer applies external force, and elastic component applies the elasticity resetted to positioning plate, positioning plate is made to restore to original
Beginning state offsets with limit end face, and positioning plate coordinates with locating slot again, and telescoping tube is made to be relatively fixed pipe positioning.
During limiting plate facilitates positioning plate that the elastic force of elastic component is overcome to be stored in sliding sleeve along limit end face, to positioning
Plate plays the role of guiding, and limits the power that inclined-plane makes telescopic drive part apply very little, so that it may so that positioning plate changes, and
It is detached from locating slot, storage is overturn in sliding sleeve along limit inclined-plane.
The beneficial effects of the invention are as follows：
The chair headrest of the swingable adjusting of the present invention, simple and reasonable for structure, oscillation adjustment is convenient, oscillation adjustment angle
It is big and can multi-angle locking, be suitble to the use of different building shape and different sitting postures, making people, headrest can opposite active chair in straight sit
Backwards to preceding oscillation adjustment close to head, human body head to be made effectively to be supported, to effectively mitigate the stress of cervical vertebra, drop significantly
The incidence of low cervical vertebra slight illness.
Description of the drawings
Fig. 1 is the structural schematic diagram that present invention display headrest swings different angle.
Fig. 2 is the structural schematic diagram of swing seat in the present invention.
Fig. 3 is the structural schematic diagram of first embodiment of the invention.
Fig. 4 is the structural schematic diagram of first embodiment of the invention.
Fig. 5 is the structural schematic diagram of first embodiment of the invention.
Fig. 6 is the schematic diagram that fixing pipe uses split structure in first embodiment of the invention.
Fig. 7 is the structural schematic diagram of first embodiment of the invention.
Fig. 8 is the structural schematic diagram of first embodiment of the invention.
Fig. 9 is the structural schematic diagram of first embodiment of the invention.
Figure 10 is the flexible structural schematic diagram of present invention display headrest.
Figure 11 is the structural schematic diagram of second embodiment of the invention.
Figure 12 is the structural schematic diagram of third embodiment of the invention.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
First embodiment：As shown in Figures 1 to 10, the chair headrest of swingable adjusting, includes the head on chair 1
Pillow 2, characterized in that further include swing seat 3,3 one end of swing seat is rotatably connected on chair 1, and the other end of swing seat 3 is equipped with
Headrest 2 makes swing seat 3 that the opposite chair 1 of headrest 2 be driven to position or swing, realizes headrest by the drive component 5 in swing seat 3
2 angular adjustment.
Swing seat 3 is set to realize positioning or pendulum by drive component 5 using the chair headrest of the swingable adjusting of the structure
It is dynamic, to make headrest 2 that swing seat 3 be followed to position or swing with respect to chair, it is finally reached the purpose that 2 multi-angles of headrest are swung, is fitted
It answers the people of different height and weights to use, is used using the people of different use habits.
As the present embodiment more particular embodiment：
It is set in the swing seat 3 there are one fixing piece 6 and two pawls 7, fixing piece 6 is equipped with tooth 601, and each pawl 7 is
Meander-like, two pawls 7 are rotatably connected in symmetrical expression in swing seat 3 by two connecting poles 8；
Drive component 5 includes fixed frame 501, is oriented to framework 502 and wobble drive part 503, is fixed in swing seat 3
Fixed frame 501 is equipped in fixed frame 501 and is oriented to framework 502, and the side for being oriented to framework 502 offers limit opening
502-1, limit opening 502-1 bilateral types are equipped with two limited block 502-2, and two pawls, 7 one end 701 is along limit opening 502-1
It extends into and is oriented in framework 502 and coordinates with two limited block 502-2, two pawls, 7 other end 702 and 601 structure of tooth on fixing piece 6
At cooperation or separation, the other side for being oriented to framework 502 passes through symmetrically arranged two (the first back-moving spring 9 and 501 phase of fixed frame
It supports, and wobble drive part 503 is connected to the other side for being oriented to framework 502.
The other end 702 of each pawl 7 is extended with fixture block 703, and fixture block 703 is equipped with to be constituted with the tooth 601 on fixing piece 6
The bayonet 704 of cooperation.
As specific embodiment, operation principle is that fixing piece 6 is fixedly connected by connector 602 with chair 1,
By pulling wobble drive part 503, guiding framework 502 is set to be moved toward pull direction along fixed frame 501, due to two limited blocks
502-2 and two pawls, 7 one end 701 coordinate, and each pawl 7 is meander-like, when two limited block 502-2 are subjected to displacement, two
Limited block 502-2 compresses one end 701 of two pawls 7 simultaneously, so that two pawls 7 is swung simultaneously around connecting pole 8, keeps two pawls 7 another
702 scripts are held to switch to discrete state by mated condition with the tooth 601 on fixing piece 6；Fixing piece 6 loses constraint/limit at this time
System, swing seat 3 can realize angular adjustment with 6 rotations of opposed fixed member/swing to realize that the headrest 2 in swing seat 3 is swung；
After adjusting, wobble drive part 503 loses external force, and two (the first back-moving springs 9 play again to being oriented to framework 502
Position effect, makes two limited block 502-2 in guiding framework 502 be subjected to displacement again, two limited block 502-2 compress two pawls simultaneously
7 one end 701 makes two pawls 7 be swung simultaneously around connecting pole 8（Swaying direction is realized opposite when discrete state relatively）, make two spine
7 other end of pawl, 702 script switches to mated condition with the tooth 601 on fixing piece 6 by discrete state, and two pawls 7 and fixing piece 6 are again
Secondary locked positioning, 3 opposed fixed member 6 of swing seat, which is realized, at this time positions, to realize the positioning of headrest 2.
It is connected with second back-moving spring 10 between 3 inner wall of fixture block 70 and swing seat on each pawl 7；Second back-moving spring
10 effect is that two pawls 7 of auxiliary reset（When pawl 7 is switched to mated condition with fixing piece 6 by discrete state）, make structure more
Step up to gather and rationally.
It is extended in guiding framework 502 between two (the first back-moving springs 9 and is oriented to extension block 502-3, be oriented to extension block
Guide groove 502-4 is offered on 502-3, and guide post 302, wobble drive are fixed in the swing seat 3 in corresponding guide groove 502-4
Part 503, which is connected to, to be oriented on the outside of extension block 502-3；The cooperation of guide groove 502-4 and guide post 302, cooperation are oriented to 502 liang of framework
The limition orientation of side and 501 both sides of fixed frame acts on, can be with when making 502 under tension of guiding framework or losing pulling force and reset
It realizes straight-line displacement, keeps structure compacter, correcting rate higher.
The wobble drive part 503 is drawstring or pull rod or stretching structure, and fixing pipe 303 is connected in swing seat 3, is swung
Actuator 503 is arranged in fixing pipe 303.
Described fix in 303 pipes is arranged with telescoping tube 11, and 303 inner wall 303-1 of fixing pipe is fixed with the tooth axially extended
Item 12 constitutes locating slot 1202 on rack 12 between two neighboring teeth 1201,11 one end of telescoping tube is extended outside fixing pipe 303
It is connected with headrest 2, the telescoping tube 11 in fixing pipe 303 is elasticly connected with positioning plate 13, drives and positions by telescopic drive part 14
Plate 13, makes positioning plate 13 and locating slot 1202 constitute location fit or disconnected from each other, and correspondence makes telescoping tube 11 be relatively fixed pipe 303
Realize positioning or flexible；Assuming that when positioning plate 13 is in the state of location fit with locating slot 1202（Telescoping tube 11 is relatively fixed
Pipe 303 positions, and telescoping tube 11 can not retract in fixing pipe 303）, positioning plate 13 is driven by telescopic drive part 14 at this time,
So that positioning plate 13 is overcome elastic force, positioning plate 13 is made to change, makes positioning plate 13 and locating slot 1202 by original location fit
State is switched to state disconnected from each other, i.e. positioning plate 13 allows telescoping tube 11 freely to stretch departing from locating slot 1202, realizes
Telescopic adjustment function, after regulating stroke, telescopic drive part 14 no longer applies any power, and positioning plate 13 loses telescopic drive
After part 14 drives, due to elastic reset, positioning plate 13 is made to coordinate again with locating slot 1202, realizes that telescoping tube 11 is relatively solid again
Fixed tube 303 positions, and adjusts simply, conveniently.
303 inner wall 303-1 of the fixing pipe is fixed with two racks 12 axially extended, and adjacent two on each rack 12
Locating slot 1202 is constituted between a teeth 1201, the telescoping tube 303 in fixing pipe 303 is elasticly connected with two positioning plates 13；As
Two racks 12 are pre-machined out in more particular embodiment, and rack 12 is fixed on by fastener 15 in fixing pipe 303
Wall 303-1, as shown in figure 5, each constituting locating slot 1202 between the two neighboring teeth 1201 on rack 12, structure is closed
Reason.
The rack 12 and 303 inner wall 303-1 of fixing pipe is integral type, as shown in Figure 4；As embodiment, work as rack
12 with fixing pipe 303 when being an integral structure, and in processing, needs to divide fixing pipe 303 for more equal portions, such as two equal portions, such as
Shown in Fig. 6, rack 12 is processed in inner wall 303-1 integral types on each equal portions, then two equal portions are welded together or
Person is reinforced together with other forms, is constituted entirety, can equally be reached using effect.
Sliding sleeve 16 is connected on telescoping tube 11 in the fixing pipe 303, the outer wall of sliding sleeve 16 is extended with multiple guiding ribs
1601,303 inner wall 303-1 of fixing pipe are equipped with the multiple guide groove 303-2 coordinated with multiple guiding ribs 1601,16 other end of sliding sleeve
End face 1604 be extended with symmetrical two connecting plate 1602, symmetrical two slide opening 1603 is offered on two connecting plates 1602 respectively,
One slide-bar, 17 both ends are threaded through respectively on two slide openings 1603, and two positioning plates 13 are elasticly connected with by elastic component 18 on slide-bar 17,
The end face 1604 of 16 other end of sliding sleeve constitutes the limit end face to offset with positioning plate 13, and telescopic drive part 14 is connect with slide-bar 17,
It drives slide-bar 17 to be slid along two slide openings 1603 by telescopic drive part 14, positioning plate 13 is made to be cut by location fit with locating slot 1202
It is changed to disconnected from each other, makes the storage in the sliding sleeve 16 along limit end face of positioning plate 13, so that telescoping tube 11 is relatively fixed the realization of pipe 303 and stretch
Contracting；
The limit end face is extended with limiting plate 1605 along sliding sleeve 16, and limiting plate 1605 is equipped with limit inclined-plane 1605-
1；
Barb 1701 is connected on the slide-bar 17, telescopic drive part 14 is connect with barb 1701 by pendant 1401, made
Telescopic drive part 14 is constituted with slide-bar 17 and is connected.
As more particular embodiment；By the 303 inner wall 303-1 of multiple guiding ribs 1601 and fixing pipe of 16 outer wall of sliding sleeve
Guide groove 303-2 form guidance set, guiding rib 1601 and guide groove 303-2 cooperations, keep sliding sleeve 16 real in fixing pipe 303
Existing axially directed sliding so sliding sleeve 16 slides, that is, it is flexible to represent telescoping tube 11 since telescoping tube 11 is connect with sliding sleeve 16；Its
Operation principle is：Since positioning plate 13 is socketed in by sleeve 1301 on slide-bar 17, and positioning plate 13 by elastic component 18 and is slided
Axis 17 constitute resilient engagement, when telescopic drive part 14 to positioning plate 13 apply external force, slide-bar 17 along slide opening slide, positioning plate 13 with
With being subjected to displacement, positioning plate 13 overcomes elastic force edge limit end face storage in sliding sleeve 16 of elastic component 18, makes positioning plate 13 and determines
Position slot 1202 is switched to disconnected from each other by script location fit, and telescoping tube 11 can be relatively fixed pipe 303 and freely stretch tune at this time
Section, after adjusting, telescopic drive part 14 no longer applies external force, and elastic component 18 applies the elasticity resetted to positioning plate 13, and it is fixed to make
Position plate 13 restores to reset condition, offsets with limit end face, positioning plate 13 coordinates with locating slot 1202 again, makes 11 phase of telescoping tube
Fixing pipe 303 is positioned.
Limiting plate 1605 facilitates the process that positioning plate 13 overcomes the elastic force of elastic component to be stored in sliding sleeve 16 along limit end face
In, play the role of guiding to positioning plate 13, and limit the power that inclined-plane 1605-1 makes telescopic drive part 14 apply very little, so that it may with
So that positioning plate 13 is changed, and is detached from locating slot 1202, the overturning storage in sliding sleeve 16 along limit inclined-plane 1605-1.
Second embodiment：As shown in figure 11, the present embodiment is similar to first embodiment, the difference is that：The fixation
Part 6 is irregular part, which is equipped with tooth 601, and two pawls 7 are arranged, and two pawls, 7 one end 701 is respectively equipped with two
Interconnecting piece 19, two interconnecting pieces 19 are rotatably connected in symmetrical expression in swing seat 3 by two connecting poles 8, two pawls, 7 other end 702
Coordinate or detach with tooth 601 respectively, and two interconnecting pieces 10 are adjacent setting, and intermeshing company is respectively equipped on two interconnecting pieces 19
Tooth 19-1 is met, one of pawl 7 is drivingly connected by wobble drive part 503, when actuator applies external force to a wherein pawl 7
When, which compresses second back-moving spring 10, while two pawls, 7 other end 702 is detached from the tooth 601 of fixing piece 6, and pawl 7 is around even
The rotation of column 8 is connect, so that the interconnecting piece 19 of the pawl 7 is rotated, since two interconnecting pieces 19 intermesh, makes another pawl 7（Not with swing
The pawl that actuator 503 connects）It is swung toward opposite direction, compresses the second back-moving spring 10 of corresponding side, keep the pawl 7 same
It is detached from the tooth 601 of fixing piece 6, makes swing seat 3 that can be freely rotated with opposed fixed member 6, the principle of positioning is identical as above-mentioned principle,
As long as wobble drive part 503 is cancelled applies external force to pawl 7, you can so that two pawls 7 is engaged simultaneously with tooth 601, make 3 phase of swing seat
Fixing piece 6 is realized and is positioned.
The present embodiment wobble drive part 503 is directly connect with a wherein pawl 7, is also set up in swing seat 3 and wobble drive
The tensioning wheel 20 that part 503 connects, tensioning wheel 20 play the role of guiding and tensioning.
3rd embodiment：As shown in figure 12, the present embodiment is similar to the first and second embodiment, the difference is that：It is described solid
Fixed tube 303 is connected to the side of swing seat 3, different from the link position of the first and second embodiment, and positioning plate, rack etc. are flexible
Structure is similarly disposed in fixing pipe 303, and telescoping tube 11 is equally connect with headrest 2.
The present invention has wide range of applications, simple in structure, easy for installation, headrest can with respect to the active chair back forward oscillation adjustment with
Close to head, swing angle is big and can be suitble to the swingable adjusting used under different heights and different sitting postures with multi-angle locking
Chair headrest, coordinate Telescopic, adjust angle it is big.
Particular embodiments described above, only preferred embodiments of the present invention, such as according to the present patent application patent
The equivalent arrangements that range is done, the technology that should be the present invention are covered.
Claims (9)
- Include the headrest on chair 1. the chair of swingable adjusting is rested the head on, characterized in that further include swing seat, swing Seat one end is rotatably connected on chair, and the other end of swing seat is equipped with headrest, by the drive component in swing seat, makes swing Seat drives the opposite chair of headrest to position or swing, and realizes the angular adjustment of headrest；It is set in the swing seat there are one fixing piece and two pawls, fixing piece is equipped with tooth, and each pawl is meander-like, two pawls It is rotatably connected in swing seat in symmetrical expression by two connecting poles；Drive component includes fixed frame, is oriented to framework and wobble drive part, and fixed frame, fixed frame are fixed in swing seat Guiding framework is installed in vivo, the side for being oriented to framework offers limit opening, and limit opening bilateral type is equipped with two limits Block, two pawl one end extend into guide housing body along limit opening and coordinate with two limited blocks, the two pawl other ends and fixing piece On tooth constitute cooperation or separation, the other side for being oriented to framework passes through symmetrically arranged two (the first back-moving spring and fixed frame phase It supports, and wobble drive part is connected to the other side for being oriented to framework.
- 2. the chair of swingable adjusting according to claim 1 is rested the head on, characterized in that the other end of each pawl is extended with card Block, fixture block are equipped with the bayonet that cooperation is constituted with the tooth on fixing piece.
- 3. the chair of swingable adjusting according to claim 2 is rested the head on, characterized in that the fixture block on each pawl and swing seat Second back-moving spring is connected between inner wall.
- 4. the chair of swingable adjusting according to claim 1 is rested the head on, characterized in that the guiding between two (the first back-moving springs It is extended with guiding extension block in framework, is oriented on extension block and offers guide groove, is fixed in the swing seat in corresponding guide groove Guide post, wobble drive part, which is connected to, to be oriented on the outside of extension block.
- 5. being rested the head on according to the chair of any one of Claims 1-4 swingable adjusting, characterized in that the wobble drive part For drawstring or pull rod or stretching structure, fixing pipe is connected in swing seat, wobble drive part is arranged in fixing pipe.
- 6. the chair of swingable adjusting according to claim 5 is rested the head on, characterized in that be arranged in the fixing pipe flexible Pipe, fixed inside pipe wall are fixed with the rack axially extended, and locating slot, telescoping tube one are constituted between two neighboring teeth on rack End extends fixing pipe and is externally connected with headrest, and the telescoping tube in fixing pipe is elasticly connected with positioning plate, is driven by telescopic drive part Dynamic positioning plate makes positioning plate and locating slot constitute location fit or disconnected from each other, corresponding to make telescoping tube be relatively fixed pipe and realize to determine Position is flexible.
- 7. the chair of swingable adjusting according to claim 6 is rested the head on, characterized in that the fixed inside pipe wall is fixed with along axis To two racks of extension, locating slot is constituted between the two neighboring teeth on each rack, the flexible tubular elastic in fixing pipe connects It is connected to two positioning plates.
- 8. the chair of swingable adjusting described according to claim 6 or 7 is rested the head on, characterized in that the rack and fixed inside pipe wall For integral type.
- 9. the chair of swingable adjusting according to claim 8 is rested the head on, characterized in that connect on the telescoping tube in the fixing pipe It is connected to sliding sleeve, the outer wall of sliding sleeve is extended with multiple guiding ribs, and fixed inside pipe wall is equipped with the multiple guiding coordinated with multiple guiding ribs The end face of slot, the sliding sleeve other end is extended with symmetrical two connecting plate, offers symmetrical two slide opening on two connecting plates respectively, and one slides Axis both ends are threaded through respectively on two slide openings, and two positioning plates, the end face of the sliding sleeve other end are elasticly connected with by elastic component on slide-bar The limit end face to offset with positioning plate is constituted, telescopic drive part is connect with slide-bar, drives slide-bar to be slided along two by telescopic drive part Hole slides, and so that positioning plate is switched to by location fit with locating slot disconnected from each other, and positioning plate is made to be received in sliding sleeve along limit end face It receives, so that telescoping tube is relatively fixed pipe and is realized and stretch；The limit end face is extended with limiting plate along sliding sleeve, and limiting plate is equipped with limit inclined-plane；Barb is connected on the slide-bar, telescopic drive part is connect by pendant with barb, and telescopic drive part is made to be constituted with slide-bar Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245899.2A CN105686433B (en) | 2016-04-20 | 2016-04-20 | A kind of chair headrest of swingable adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245899.2A CN105686433B (en) | 2016-04-20 | 2016-04-20 | A kind of chair headrest of swingable adjusting |
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| Publication Number | Publication Date |
|---|---|
| CN105686433A CN105686433A (en) | 2016-06-22 |
| CN105686433B true CN105686433B (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610245899.2A Active CN105686433B (en) | 2016-04-20 | 2016-04-20 | A kind of chair headrest of swingable adjusting |
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| CN (1) | CN105686433B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155362B (en) * | 2020-09-17 | 2022-03-15 | 海宁市德利家具有限公司 | Sofa with adjustable headrest |
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| CN2732081Y (en) * | 2004-09-27 | 2005-10-12 | 卢顺接 | Position adjustable office chair headrest mechanism |
| CN201911660U (en) * | 2010-12-22 | 2011-08-03 | 江显彬 | Adjusting device for headrest of seat |
| CN202457357U (en) * | 2012-03-06 | 2012-10-03 | 张国雄 | Headrest angle regulator |
| CN103494463A (en) * | 2013-09-27 | 2014-01-08 | 谭国柱 | Three-way adjustable headrest |
| CN204196741U (en) * | 2014-09-29 | 2015-03-11 | 恒洋汽车座椅（天津）有限公司 | A kind of car seat headrest of adjustable angle |
| CN205625296U (en) * | 2016-04-20 | 2016-10-12 | 龚海常 | Can swing chair headrest of regulation |
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- 2016-04-20 CN CN201610245899.2A patent/CN105686433B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2732081Y (en) * | 2004-09-27 | 2005-10-12 | 卢顺接 | Position adjustable office chair headrest mechanism |
| CN201911660U (en) * | 2010-12-22 | 2011-08-03 | 江显彬 | Adjusting device for headrest of seat |
| CN202457357U (en) * | 2012-03-06 | 2012-10-03 | 张国雄 | Headrest angle regulator |
| CN103494463A (en) * | 2013-09-27 | 2014-01-08 | 谭国柱 | Three-way adjustable headrest |
| CN204196741U (en) * | 2014-09-29 | 2015-03-11 | 恒洋汽车座椅（天津）有限公司 | A kind of car seat headrest of adjustable angle |
| CN205625296U (en) * | 2016-04-20 | 2016-10-12 | 龚海常 | Can swing chair headrest of regulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105686433A (en) | 2016-06-22 |
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Effective date of registration: 20201217 Address after: 246000 the third floor west of Leichi market, Dongzhou Road, Huayang Town, Wangjiang County, Anqing City, Anhui Province Patentee after: Wangjiang Leichuang Technology Co., Ltd Address before: 528308 16-4b, phase 2, sunshine palm garden, Xincheng Road, Lunjiao street, Shunde District, Foshan City, Guangdong Province Patentee before: Gong Haichang |