CN110448083A - A kind of height-adjustable folding seat - Google Patents
A kind of height-adjustable folding seat Download PDFInfo
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- CN110448083A CN110448083A CN201910848364.8A CN201910848364A CN110448083A CN 110448083 A CN110448083 A CN 110448083A CN 201910848364 A CN201910848364 A CN 201910848364A CN 110448083 A CN110448083 A CN 110448083A
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- seat
- hinged
- foreleg
- hole
- component
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- 210000001364 upper extremity Anatomy 0.000 claims abstract description 46
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 23
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 4
- 244000152100 Sorbus torminalis Species 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/025—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of a rack-and-pinion or like gearing mechanism
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
-
- 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
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Pivots And Pivotal Connections (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a kind of height-adjustable folding seat, the lower end of the backrest and the rear end of the seat are hinged, and the rear end of the handrail and the middle part of the backrest are hinged；The middle side edge of the preceding midleg and the seat is hinged, and the upper end of the foreleg is connect with the handrail by the recliner；The upper end of the back leg and the rear end of the seat are hinged；The foreleg and the back leg are tubular structure；The height adjustment device includes motion bar and clamping component；The lower end of the foreleg and the lower end of the back leg are respectively equipped with the height adjustment device, the motion bar is telescopically arranged in the foreleg/back leg inside, the clamping component is fixedly installed on the foreleg/back leg lower end, and the clamping component changes between the motion bar clamping and unclamp.Each foreleg and back leg of the invention can individually adjust height, be applicable to complicated landform.
Description
Technical field
The present invention relates to outdoor travel articles field more particularly to a kind of height-adjustable folding seat.
Background technique
With the development of society, people often need to long camping trip and spend a holiday in idle life after work, and fold
Chair is then must be provided with of spending a holiday of camping, and folding seat can form lesser parking space by folding, easy to carry.But
Since four legs of current folding seat cannot individually adjust its length, so more complicated landform can not be adapted to, in injustice
Ground on, folding seat is difficult to rest easily on uneven ground.
Summary of the invention
It is an object of the invention to propose a kind of height-adjustable folding seat, to solve the above problems.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of height-adjustable folding seat, including backrest, seat, handrail, foreleg, back leg, height adjustment device with lean on
Carry on the back regulating device；
The lower end of the backrest and the rear end of the seat are hinged, and the middle part of the rear end of the handrail and the backrest is cut with scissors
It connects；
The middle side edge of the preceding midleg and the seat is hinged, and the upper end of the foreleg and the handrail pass through institute
State recliner connection；
The upper end of the back leg and the rear end of the seat are hinged；
The foreleg and the back leg are tubular structure；
The height adjustment device includes motion bar and clamping component；The lower end of the foreleg and the lower end of the back leg point
Not She You the height adjustment device, the motion bar is telescopically arranged in the foreleg/back leg inside, the folder
Tight component is fixedly installed on the foreleg/back leg lower end, the clamping component clamp with unclamp the motion bar it
Between change.
It further include first crossbar and second crossbar；The lower end of the foreleg is connect with the first crossbar, the back leg
Lower end proximal end is connect with the second crossbar；
The clamping component includes L-type plate, movable plate, adjusting rod and the first elastic element；
The L-type plate is inverted the lower end for being connected to the foreleg/back leg, one end of the movable plate and the L-type plate
The lower end of side is hinged, and the middle part of the movable plate is equipped with locking hole, and the diameter of the locking hole is greater than the straight of the motion bar
The lower end of diameter, the motion bar passes through the locking hole；The other end of the movable plate and the end of the adjusting rod are hinged；
First elastic element is connected between the adjusting rod and the first crossbar/second crossbar, described
First elastic element tenses the adjusting rod to the first crossbar/second crossbar direction；When first elasticity
When element is by the adjusting rod pull-up, the other end of the movable plate is rotated up, and the locking hole on the movable plate will be described
Motion bar clamping；When the adjusting rod is depressed, the other end of the movable plate is rotated down, the locking on the movable plate
Unclamp the motion bar in hole.
The outer wall of the motion bar is equipped with lateral anti-skid chequer.
The recliner includes preceding pedestal, handrail spout, rack gear, one-directional rotation component and positioning component；
The preceding pedestal is H font, and the upper end of the preceding pedestal is adjustment portion, and lower end is interconnecting piece；The interconnecting piece with
The upper end of the foreleg is hinged；The adjustment portion is equipped with adjustment hole, and the adjustment hole runs through the two side walls of the adjustment portion；
The handrail spout is " door " font, and the lower surface of the handrail is fixed at the top of the handrail spout,
Long sliding slot is respectively equipped in the two side walls of the handrail spout, two long sliding slots are oppositely arranged；The handrail sliding slot
The two side walls of part are respectively positioned on the inside of the two side walls of the adjustment portion of the preceding pedestal, the long sliding slot and the adjustment hole pair
Together；
The rack gear is set on the inside of the upper wall of the handrail spout, and the rack gear toothed one is down；
The positioning component passes through the adjustment hole and the long sliding slot, and the positioning component is fixed on the adjustment hole；
The one-directional rotation component includes unilateral bearing and gear；
The gear is fixed on the outside of the outer ring of the ratchet, and the one-way shaft bearing sleeve is in the positioning component
Outside；
The one-directional rotation assembly set is set on the outer wall of the positioning component, and the gear is engaged with the rack gear, institute
It states positioning component and changes between clamping and the inner ring of the release unilateral bearing, when the inner ring of the unilateral bearing is clamped
When, the outer ring of the unilateral bearing can unidirectionally rotate forward.
The inner ring of the unilateral bearing is equipped with splined hole；
The positioning component includes pin shaft, trigger and the second elastic element；
The pin shaft is arranged in the adjustment hole, and the outer wall two sides of the pin shaft are provided along its length equipped with trigger
One end of sliding slot, the pin shaft is equipped with spring eye；
The trigger be " several " font, the lateral tail of the trigger be respectively equipped with first step and with the splined hole
The second step of cooperation；The two sides of the trigger are respectively slidably set in the trigger sliding slot；The head of the trigger
Towards one end of the pin shaft；
The one-way shaft bearing sleeve is on the pin shaft；
Second elastic element is compressed in the spring eye, and one end of second elastic element is against the bullet
The other end of the bottom surface in spring hole, second elastic element is withstood on the trigger；
Locating piece is equipped in the adjustment hole of the other end of the pin shaft, the locating piece is stuck in the trigger sliding slot
It is interior；
The second step is caught in the splined hole, and the first step is against the unilateral bearing backwards to the spring
The side in hole；When it is described press the trigger when, the first step is exited out of described splined hole, and the unilateral bearing can enclose
It is freely rotated around the pin shaft.
The recliner further includes roll sleeve and roller bearing, and the two side walls of the adjustment portion are additionally provided with roller bearing hole, institute
The both ends for stating roller bearing pass through the long sliding slot of the handrail spout and are fixed on the roller bearing hole, and the roll sleeve rotationally covers
The outside of the roller bearing, and the roll sleeve is located in the long sliding slot；The outer diameter of the roll sleeve is not less than the diameter of the pin shaft.
The positioning component further includes the first circlip, the second circlip and third circlip；The pin shaft is equipped with the first positioning
Annular groove, the second positioning ring groove and third positioning ring groove；
Described in the proximal end at the both ends that first positioning ring groove and second positioning ring groove are located at the pin shaft
First circlip is stuck on first positioning ring groove, and second circlip is stuck on second positioning ring groove, first card
The pin shaft is axially fixed in the adjustment hole by spring and second circlip；
The side of the rack gear is equipped with limited block, and the limited block and the third annular groove are located at the one-way shaft
The two sides held, the third circlip are stuck in the third positioning ring groove.
The seat and the backrest are U-shaped structure, further include seat, the seat is wrapped in the seat and institute
It states by back；
It further include folding hinge component, the backrest passes through the folding hinge component respectively with the back leg and the seat is hinged；
The folding hinge component includes the two foldings hinge component and sliding axle of mutual mirror image；
The folding hinge component includes fixed part and articulated section, and the articulated section is L font, one end of the articulated section and institute
It states fixed part to connect, the extending direction of the extending direction of the other end of the articulated section and the fixed part is on the contrary, described hinged
Portion is obliquely equipped with folding hinge sliding slot；
Two folding hinge components are oppositely arranged, and the fixed part of two folding hinge components is fixedly connected on the back leg
Upper end, the proximal end of one end of the articulated section are equipped with the first hinge joint, first hinge joint and the rear end of the seat
Proximal end is hinged, and the proximal end of the other end of the articulated section and the lower end of the backrest are hinged；
The sliding axle is slidably disposed in folding hinge sliding slot, when folding seat expansion, the back leg with
Angle between the seat is obtuse angle, and the sliding axle slides into the top of the folding hinge sliding slot, and is against the seat
On.
It further include connecting rod, one end of the connecting rod and the folding hinge other end are hinged, the other end of the connecting rod
Hinged with the middle part of the front foot, the hinge joint of the connecting rod and the front foot is located at the hinged of the front foot and the seat
The lower section of point.
It further include anti-skidding pedestal and headrest, the middle part of the anti-skidding pedestal is equipped with ball；The lower end of the movable leg is equipped with
Bulb, the bulb are inserted in the ball；
The headrest includes mounting part, occipitalia and fixing component, and the mounting part is " door " font, under the mounting part
End is equipped with long hole, and the fixing component is U-shaped structure, and the fixing component is fixed on the upper end of the backrest, the fixed structure
The opening of part is equipped with fixing axle, and the fixing axle is slidably connected with the long hole, the bottom of the long hole to the mounting
The lowermost distance in portion is less than the fixing axle at a distance from the backrest；The occipitalia is fixed on the mounting part.
Detailed description of the invention
The present invention will be further described for attached drawing, but the content in attached drawing does not constitute any limitation of the invention.
Fig. 1 is the structural schematic diagram of the folding seat of the one of embodiment of the present invention；
Fig. 2 is the partial structural diagram of the folding seat of the one of embodiment of the present invention；
Fig. 3 is the partial structural diagram of the folding seat of the one of embodiment of the present invention；
Fig. 4 is that the backrest of the one of embodiment of the present invention adjusts the structural schematic diagram of component；
Fig. 5 is that the backrest of the one of embodiment of the present invention adjusts the cross section structure schematic diagram of component；
Fig. 6 is the cross section structure schematic diagram of the one-directional rotation component of the one of embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the folding hinge component of the one of embodiment of the present invention；
Fig. 8 is the structural schematic diagram of the pin shaft of the one of embodiment of the present invention；
Fig. 9 is the partial enlargement diagram of the one of embodiment of the present invention；
In attached drawing: 1- backrest, 2- seat, 3- handrail, 4- foreleg, 5- back leg, 6- height adjustment device, 61- motion bar,
611- bulb, 62- clamping component, 621-L template, 622- movable plate, 6221- locking hole, 623- adjusting rod, the first elasticity of 624-
Pedestal before element, 7- recliner, 71-, 711- adjustment portion, 7111- adjustment hole, 7112- locating piece, 7113- roller bearing hole,
712- interconnecting piece, 72- handrail spout, 721- long sliding slot, 73- rack gear, 731- limited block, 74- one-directional rotation component, 741- are mono-
To bearing, 7411- splined hole, 742- gear, 75- positioning component, 751- pin shaft, 7511- trigger sliding slot, 7512- spring eye,
The first positioning ring groove of 7513-, the second positioning ring groove of 7514-, 7515- third positioning ring groove, 752- trigger, 7521- first step,
7522- second step, the second elastic element of 753-, the first circlip of 754-, the second circlip of 755-, 756- third circlip, 76- rolling
Set, 77- roller bearing, 8- first crossbar, 9- second crossbar, 10- seat, 20- folding hinge component, 201- folding hinge component, 2011- are fixed
Portion, the articulated section 2012-, 2013- folding hinge sliding slot, the first hinge joint of 2014-, 202- sliding axle, α-angle, 30- connecting rod, 40-
Anti-skidding pedestal, 401- ball, 50- headrest, the mounting part 510-, 511- long hole, 520- occipitalia, 530- fixing component, 531- are fixed
Axis.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of height-adjustable folding seat of the present embodiment, as shown in figs. 1 and 3, including backrest 1, seat 2, handrail 3,
Foreleg 4, back leg 5, height adjustment device 6 and recliner 7；
The lower end of the backrest 1 and the rear end of the seat 2 are hinged, the middle part of the rear end of the handrail 3 and the backrest 1
Hingedly；
The middle part of the foreleg 4 and the middle side edge of the seat 2 are hinged, and the upper end of the foreleg 4 and the handrail 3 are logical
The recliner 7 is crossed to connect；
The upper end of the back leg 5 and the rear end of the seat 2 are hinged；
The foreleg 4 and the back leg 5 are tubular structure；
The height adjustment device 6 includes motion bar 61 and clamping component 62；The lower end of the foreleg 4 and the back leg 5
Lower end be respectively equipped with the height adjustment device 6, the motion bar 61 is telescopically arranged in back leg 5 described in the foreleg 4/
Inside, the clamping component 62 is fixedly installed on the lower end of back leg 5 described in the foreleg 4/, and the clamping component 62 is clamping
Change between the motion bar 61 with unclamping.
The folding seat of the application is equipped with motion bar 61 in each foreleg 4 and back leg 5, is needing to adjust folding seat
When the height of 4/ back leg 5 of foreleg, clamping component 62 can be unclamped, at this time motion bar 61 can in 4/ back leg 5 of foreleg free extension,
Each foreleg 4 of folding seat and each back leg 5 can its separately adjustable height, the folding seat of the application can be complicated
It is used in landform；By adjusting the height of each foreleg 4 and back leg 5, folding seat can be allow in relative complex landform
In smoothly place, be not susceptible to topple over, more suitable and safety when making the people ride in folding seat.
It further include first crossbar 8 and second crossbar 9；The lower end of the foreleg 4 is connect with the first crossbar 8, after described
The lower end proximal end of leg 5 is connect with the second crossbar 9；
The clamping component 62 includes L-type plate 621, movable plate 622, adjusting rod 623 and the first elastic element 624；
The L-type plate 621 is inverted the lower end for being connected to 4/ back leg 5 of foreleg, one end of the movable plate 622 with it is described
The lower end of the side of L-type plate 621 is hinged, and the middle part of the movable plate 622 is equipped with locking hole 6221, the locking hole 6221 it is straight
Diameter is greater than the diameter of the motion bar 61, and the lower end of the motion bar 61 passes through the locking hole 6221；The movable plate 622
The end of the other end and the adjusting rod 623 is hinged；
First elastic element 624 be connected to the adjusting rod 623 and second crossbar 9 described in the first crossbar 8/ it
Between, first elastic element 624 tenses the adjusting rod 623 to the direction of second crossbar 9 described in the first crossbar 8/；
When first elastic element 624 is by 623 pull-up of adjusting rod, the other end of the movable plate 622 is rotated up, described
Locking hole 6221 on movable plate 622 is by 61 clamping of motion bar；When the adjusting rod 623 is depressed, the movable plate
622 other end rotates down, and the locking hole 6221 on the movable plate 622 unclamps the motion bar 61.
When depressing adjusting rod 623, adjusting rod 623 drives two movable plates 622 of 4/ back leg 5 of foreleg to turn downwards simultaneously
Dynamic, during movable plate 622 rotates down, projection of the locking hole 6221 on the axial direction along motion bar 61 gradually becomes
Greatly, until locking hole 6221 unclamps motion bar 61, the motion bar 61 in 4/ back leg 5 of foreleg extends under gravity at this time；
When motion bar 61 is adjusted in place, adjusting rod 623 is unclamped, adjusting rod 623 is upward in the elastic effect of the first elastic element 624
Return, at this time projection of the locking hole 6221 on the axial direction along motion bar 61 gradually become smaller, and play the inclination of locking hole 6221
Ground by 61 clamping of motion bar, at this time motion bar 61 by locking hole 6221 resistance can not expanding-contracting action, motion bar 61 is locked.
Adjusting rod 623 is arranged can while the protrusion height of the motion bar 61 in two forelegs, 4/ two back legs 5 to be adjusted, adjusts
It is more efficient, it is more convenient to use.
The outer wall of the motion bar 61 is equipped with lateral anti-skid chequer.
Lateral anti-skid chequer is arranged on the outer wall of motion bar 61 can increase locking hole 6221 in locking motion bar significantly
Resistance when 61 solves the problems, such as that the coupling mechanism force between locking hole 6221 and motion bar 61 is insufficient and motion bar 61 is caused to bounce back,
Keep folding seat safer when taking.
As shown in Fig. 1,4,5 and 6, the recliner 7 includes preceding pedestal 71, handrail spout 72, rack gear 73, list
To runner assembly 74 and positioning component 75；
The preceding pedestal 71 is H font, and the upper end of the preceding pedestal 71 is adjustment portion 711, and lower end is interconnecting piece 712；Institute
It states interconnecting piece 712 and the upper end of the foreleg 4 is hinged；The adjustment portion 711 is equipped with adjustment hole 7111, and the adjustment hole 7111 passes through
Wear the two side walls of the adjustment portion 711；
The handrail spout 72 is " door " font, and the top of the handrail spout 72 is fixed under the handrail 3
Surface is respectively equipped with long sliding slot 721 in the two side walls of the handrail spout 72, and two long sliding slots 721 are oppositely arranged；
The two side walls of the handrail spout 72 are respectively positioned on the inside of the two side walls of the adjustment portion 711 of the preceding pedestal 71, described
Long sliding slot 721 is aligned with the adjustment hole 7111；
The rack gear 73 is set on the inside of the upper wall of the handrail spout 72, and the rack gear 73 toothed one is down；
The positioning component 75 passes through the adjustment hole 7111 and the long sliding slot 721, and the positioning component 75 is fixed on
The adjustment hole 7111；
The one-directional rotation component 74 includes unilateral bearing 741 and gear 742；
The gear 742 is fixed on the outside of the outer ring of the ratchet 742, and 741 sets of the unilateral bearing is described
The outside of positioning component 75；
The one-directional rotation component 74 is sheathed on the outer wall of the positioning component 75, the gear 742 and the rack gear
73 engagements, the positioning component 75 changes between clamping and the inner ring of the release unilateral bearing 741, when the unilateral bearing
When 741 inner ring is clamped, the outer ring of the unilateral bearing 741 can unidirectionally be rotated forward.
When the inner ring of unilateral bearing 741 is by 75 clamping of positioning component, unilateral bearing 741 can not rotate backward at this time, when
When user is leaned against on backrest 1, backrest 1 pulls handrail 3, and stress, handrail 3 are clamped on gear 742 backward with carry-over bar 73 backward,
To keep backrest 1 fixed；When user needs to adjust backrest 1 backward, it is only necessary to which operating positioning component 75 keeps unilateral bearing 741 loose
It opens, unilateral bearing 741 is freely rotated with positioning component 75 for shaft at this time, then pulls back handrail 3, and handrail 3 drives backrest 1
It rotates backward, while handrail 3 moves backward with carry-over bar 73, unilateral bearing 741 also rotates backward therewith at this time, when backrest 1 is adjusted
When saving in place, 75 clamping unilateral bearing 741 of positioning component is operated, the inner ring of unilateral bearing 741 is locked at this time, and outer ring is without normal direction
After rotate, play the role of positioning to backrest 1；When needing forward to adjust backrest 1, since the outer ring of unilateral bearing 741 can
It is unidirectionally rotated forward relative to inner ring, so at this time can be without operating positioning component 75, direct pull handrail 3；In backrest 1
When adjusting in place, the outer ring of unilateral bearing 741 can not rotate backward, so at this time without operation positioning component 75, rack gear 73
Also it can be locked by unilateral bearing 741.
The angle of backrest 1 is adjusted by engaging for rack-and-pinion between handrail spout 72 and preceding pedestal 71, makes backrest 1
Angle can arbitrarily adjust, will not be limited by gear, compared to the mode of traditional setting gear have it is more adjust it is empty
Between, allow user that backrest 1 easily to be adjusted to the angle for arriving the most comfortable.
The inner ring of the unilateral bearing 741 is equipped with splined hole 7411；
The positioning component 75 includes pin shaft 751, trigger 752 and the second elastic element 753；
The pin shaft 751 is arranged in the adjustment hole 7111, and the outer wall two sides of the pin shaft 751 are set along its length
Have and be equipped with trigger sliding slot 7511, one end of the pin shaft 751 is equipped with spring eye 7512；
The trigger 752 be " several " font, the lateral tail of the trigger 752 be respectively equipped with first step 7521 and with
The second step 7522 that the splined hole 7411 cooperates；The two sides of the trigger 752 are respectively slidably set to the trigger
In sliding slot 7511；The head of the trigger 752 is towards one end of the pin shaft 751；
741 sets of the unilateral bearing on the pin shaft 751；
Second elastic element 753 is compressed in the spring eye 7512, one end of second elastic element 753
It is against the bottom surface of the spring eye 7512, the other end of second elastic element 753 is withstood on the trigger 752；
Locating piece 7112 is equipped in the adjustment hole 7111 of the other end of the pin shaft 751, the locating piece 7112 blocks
In the trigger sliding slot 7511；
The second step 7522 is caught in the splined hole 7411, and the first step 7521 is against the unilateral bearing
741 backwards to the side of the spring eye 7512；When it is described press the trigger 752 when, the first step 7521 is from the flower
It is exited in keyhole 7411, the unilateral bearing 741 can be freely rotated around the pin shaft 751.
Locating piece 7112 plays the role of limit to pin shaft 751, prevents pin shaft 751 from occurring to turn in adjustment hole 7111
It is dynamic；Second elastic element 753 holds out against trigger, is caught in the second step 7522 of trigger in splined hole 7411, while trigger position
In in trigger sliding slot, so the inner ring of unilateral bearing 741 is clamped, the angle of backrest 1 cannot be adjusted backward at this time；When by lower plate
When machine, trigger overcomes the elastic force of the second elastic element 753, and along trigger groove slid inward, until second step 7522 is from flower
It is exited in keyhole 7411, the inner ring of unilateral bearing 741 and outer ring surround the rotation of pin shaft 751 simultaneously at this time, and user can pull and help
Hand 3 backward/forward adjust 1 angle of backrest.
The recliner 7 further includes roll sleeve 76 and roller bearing 77, and the two side walls of the adjustment portion 711 are additionally provided with rolling
Axis hole 7113, the both ends of the roller bearing 77 pass through the long sliding slot 721 of the handrail spout 72 and are fixed on the roller bearing hole
7113, the roll sleeve 76 rotationally covers in the outside of the roller bearing 77, and the roll sleeve 76 is located in the long sliding slot 721；
The outer diameter of the roll sleeve 76 is not less than the diameter of the pin shaft 751.
When pulling handrail 3, roll sleeve 76 rolls in long sliding slot 721 around roller bearing 77, since the outer diameter of roll sleeve 76 is not small
Pin shaft 751 can be played in the diameter of pin shaft 751 so roll sleeve 76 can reduce abrasion of the long sliding slot 721 to pin shaft 751
Preferable protective effect.
The positioning component 75 further includes the first circlip 754, the second circlip 755 and third circlip 756；As shown in figure 8, institute
Pin shaft 751 is stated equipped with the first positioning ring groove 7513, the second positioning ring groove 7514 and third positioning ring groove 7515；
First positioning ring groove 7513 and second positioning ring groove 7514 are located at the both ends of the pin shaft 751
First circlip 754 described in proximal end is stuck on first positioning ring groove 7513, and it is fixed that second circlip 755 is stuck in described second
On the annular groove 7514 of position, the pin shaft 751 is axially fixed at the adjusting with second circlip 755 by first circlip 754
In hole 7111；
The side of the rack gear 73 is equipped with limited block 731, and the limited block 731 is located at institute with the third annular groove
The two sides of unilateral bearing 741 are stated, the third circlip 756 is stuck in the third positioning ring groove 7515.
First circlip 754 and the second circlip 755 play the role of axially position, the first circlip 754, second to pin shaft 751
Circlip 755 and locating piece 7112, which cooperate, to be fully positioned at pin shaft 751 in the adjustment hole 7111 of preceding pedestal 71；Third circlip 756
It is located at the two sides of unilateral bearing 741 with limited block 731, plays the role of limitation to unilateral bearing 741, to unilateral bearing
741 are limited along the movement of the axis direction of pin shaft 751, engage gear 742 with the holding of rack gear 73 always.
The seat 2 and the backrest 1 are U-shaped structure, further include seat 10, the seat 10 is wrapped in the chair
On seat 2 and the backrest 1；
It further include folding hinge component 20, the backrest 1 passes through the folding hinge component 20 and the seat with the back leg 5 respectively
2 is hinged；
The folding hinge component 20 includes the two foldings hinge component 201 and sliding axle 202 of mutual mirror image；
The folding hinge component 201 includes fixed part 2011 and articulated section 2012, and the articulated section 2012 is L font, described
One end of articulated section 2012 is connect with the fixed part 2011, the extending direction of the other end of the articulated section 2012 with it is described solid
The extending direction in portion 2011 is determined on the contrary, the articulated section 2012 is obliquely equipped with folding hinge sliding slot 2013；
Two folding hinge components 201 are oppositely arranged, and the fixed part 2011 of two folding hinge components 201 is fixedly connected on
The proximal end of the upper end of the back leg 5, one end of the articulated section 2012 is equipped with the first hinge joint 2014, first hinge joint
2014 is hinged with the proximal end of the rear end of the seat 2, the proximal end of the other end of the articulated section 2012 and the backrest 1
Lower end is hinged；
The sliding axle 202 is slidably disposed in the folding hinge sliding slot 2013, described when folding seat expansion
Angle α between back leg 5 and the seat 2 is obtuse angle, and the sliding axle 202 slides into the most upper of the folding hinge sliding slot 2013
End, and be against on the seat 2.
When taking folding seat, the rear end of seat 2 is by lower pressure, and the rear end of seat 2 passes through the first hinge joint at this time
Stress is transmitted to back leg 5 by 2014, and in the case where stress, back leg 5 and the folder degree of seat 2 become larger back leg 5,5 band of back leg at this time
Dynamic folding hinge compresses sliding axle 202 on ground seat 2, at this time seat 2 rear end force dispersion in the first hinge joint 2014 and
On the contact surface of sliding axle 202 and seat 2, avoids the long-term single-point stress in the rear end of seat 2 and damage, can effectively extend folding
The service life of chair.
It further include connecting rod 30, one end of the connecting rod 30 and the folding hinge other end are hinged, the connecting rod 30
The other end and the middle part of the front foot are hinged, and the connecting rod 30 and the hinge joint of the front foot are located at the front foot and the chair
The lower section of the hinge joint of seat 2.
When folding seat is punctured into folded state from unfolded state, the front end of seat 2 and the upper end of backrest 1 are inwardly leaned on
Hold together, seat 2 is rotated using the hinge joint of itself and foreleg 4 as fulcrum at this time, and connecting rod 30 pushes the other end of folding hinge around the first hinge
Contact 2014 rotates backward, and folding hinge packs up forward back leg 5 at this time；It is identical in unfolded chair, connecting rod 30 pull folding
The other end of hinge is unfolded folding hinge by back leg 5, setting can be when being unfolded or packing up folding seat in this way, back leg 5 with rotating forward
It Automatic-expanding or can pack up, more convenient to use, connecting rod 30 plays the work of gearing when folding seat is unfolded or folds
With, while when taking folding seat, connecting rod 30 plays the role of positioning to foreleg 4, balances the stress of folding seat more, increases
Add the bearing capacity of folding seat.
It further include anti-skidding pedestal 40 and headrest 50, the middle part of the anti-skidding pedestal 40 is equipped with ball 401；The motion bar 61
Lower end be equipped with bulb 611, the bulb 611 is inserted in the ball 401；
As illustrated in figs 1 and 9, the headrest 50 includes mounting part 510, occipitalia 520 and fixing component 530, the mounting part
510 be " door " font, and the lower end of the mounting part 510 is equipped with long hole 511, and the fixing component 530 is U-shaped structure, described solid
Determine the upper end that component 530 is fixed on the backrest 1, the opening of the fixing component 530 is equipped with fixing axle 531, the fixation
Axis 531 is slidably connected with the long hole 511, and the lowermost of the bottom of the long hole 511 to the mounting part 510 is apart from small
In the fixing axle 531 at a distance from the backrest 1；The occipitalia 520 is fixed on the mounting part 510.
When folding seat in complicated landform in use, each foreleg 4 and back leg 5 are different from the contact angle on ground,
Anti-skidding pedestal 40 is that bulb 611 is connect with movable leg, and setting in this way can carry out multi-faceted adjustment to anti-skidding pedestal 40, make to roll over
Folding chair can preferably meet the use demand of complicated landform.
When riding in folding seat, can take more comfortable head rest on headrest 50；Due to long hole 511
The lowermost distance of bottom to mounting part 510 be less than fixing axle 531 with backrest 1 at a distance from, so when mounting part 510
When highest point, mounting part 510 can be foldd backward；Headrest 50 can be such that folding seat is folding using the design that can be foldd backward
Volume afterwards is smaller, easy to carry.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these equivalent modifications or
Replacement is all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of height-adjustable folding seat, it is characterised in that: including backrest, seat, handrail, foreleg, back leg, height adjustment
Device and recliner；
The lower end of the backrest and the rear end of the seat are hinged, and the rear end of the handrail and the middle part of the backrest are hinged；
The middle side edge of the preceding midleg and the seat is hinged, and the upper end of the foreleg is leaned on the handrail by described
Carry on the back regulating device connection；
The upper end of the back leg and the rear end of the seat are hinged；
The foreleg and the back leg are tubular structure；
The height adjustment device includes motion bar and clamping component；The lower end of the foreleg and the lower end of the back leg are set respectively
There is the height adjustment device, the motion bar is telescopically arranged in the foreleg/back leg inside, the clamping group
Part is fixedly installed on the foreleg/back leg lower end, and the clamping component becomes between the motion bar clamping and unclamp
Change.
2. a kind of height-adjustable folding seat according to claim 1, it is characterised in that: further include first crossbar and the
Two cross bars；The lower end of the foreleg is connect with the first crossbar, and the lower end proximal end of the back leg and the second crossbar connect
It connects；
The clamping component includes L-type plate, movable plate, adjusting rod and the first elastic element；
The L-type plate is inverted the lower end for being connected to the foreleg/back leg, the side of one end of the movable plate and the L-type plate
Lower end it is hinged, the middle part of the movable plate is equipped with locking hole, and the diameter of the locking hole is greater than the diameter of the motion bar, institute
The lower end for stating motion bar passes through the locking hole；The other end of the movable plate and the end of the adjusting rod are hinged；
First elastic element is connected between the adjusting rod and the first crossbar/second crossbar, and described first
Elastic element tenses the adjusting rod to the first crossbar/second crossbar direction；When first elastic element
When by the adjusting rod pull-up, the other end of the movable plate is rotated up, and the locking hole on the movable plate is by the activity
Bar clamping；When the adjusting rod is depressed, the other end of the movable plate is rotated down, the locking hole pine on the movable plate
Open the motion bar.
3. a kind of height-adjustable folding seat according to claim 2, it is characterised in that: on the outer wall of the motion bar
Equipped with lateral anti-skid chequer.
4. a kind of height-adjustable folding seat according to claim 1, it is characterised in that: the recliner packet
Include preceding pedestal, handrail spout, rack gear, one-directional rotation component and positioning component；
The preceding pedestal is H font, and the upper end of the preceding pedestal is adjustment portion, and lower end is interconnecting piece；The interconnecting piece with it is described
The upper end of foreleg is hinged；The adjustment portion is equipped with adjustment hole, and the adjustment hole runs through the two side walls of the adjustment portion；
The handrail spout is " door " font, and the lower surface of the handrail is fixed at the top of the handrail spout, described
Long sliding slot is respectively equipped in the two side walls of handrail spout, two long sliding slots are oppositely arranged；The handrail spout
Two side walls are respectively positioned on the inside of the two side walls of the adjustment portion of the preceding pedestal, and the long sliding slot is aligned with the adjustment hole；
The rack gear is set on the inside of the upper wall of the handrail spout, and the rack gear toothed one is down；
The positioning component passes through the adjustment hole and the long sliding slot, and the positioning component is fixed on the adjustment hole；
The one-directional rotation component includes unilateral bearing and gear；
The gear is fixed on the outside of the outer ring of the ratchet, and the one-way shaft bearing sleeve is in the outer of the positioning component
Side；
The one-directional rotation assembly set is set on the outer wall of the positioning component, and the gear is engaged with the rack gear, described fixed
Hyte part changes between clamping and the inner ring of the release unilateral bearing, when the inner ring of the unilateral bearing is clamped, institute
The outer ring for stating unilateral bearing can unidirectionally rotate forward.
5. a kind of height-adjustable folding seat according to claim 4, it is characterised in that: the inner ring of the unilateral bearing
Equipped with splined hole；
The positioning component includes pin shaft, trigger and the second elastic element；
The pin shaft is arranged in the adjustment hole, and the outer wall two sides of the pin shaft are provided along its length sliding equipped with trigger
One end of slot, the pin shaft is equipped with spring eye；
The trigger is " several " font, and the lateral tail of the trigger is respectively equipped with first step and cooperates with the splined hole
Second step；The two sides of the trigger are respectively slidably set in the trigger sliding slot；The head direction of the trigger
One end of the pin shaft；
The one-way shaft bearing sleeve is on the pin shaft；
Second elastic element is compressed in the spring eye, and one end of second elastic element is against the spring eye
Bottom surface, the other end of second elastic element withstands on the trigger；
Locating piece is equipped in the adjustment hole of the other end of the pin shaft, the locating piece is stuck in the trigger sliding slot；
The second step is caught in the splined hole, and the first step is against the unilateral bearing backwards to the spring eye
Side；When it is described press the trigger when, the first step is exited out of described splined hole, and the unilateral bearing can surround institute
Pin shaft is stated to be freely rotated.
6. a kind of height-adjustable folding seat according to claim 5, it is characterised in that: the recliner is also
Including roll sleeve and roller bearing, the two side walls of the adjustment portion are additionally provided with roller bearing hole, and the both ends of the roller bearing are sliding across the handrail
The long sliding slot of slotware is simultaneously fixed on the roller bearing hole, and the roll sleeve rotationally covers in the outside of the roller bearing, and the roll sleeve
In the long sliding slot；The outer diameter of the roll sleeve is not less than the diameter of the pin shaft.
7. a kind of height-adjustable folding seat according to claim 6, it is characterised in that: the positioning component further includes
First circlip, the second circlip and third circlip；The pin shaft is equipped with the first positioning ring groove, the second positioning ring groove and third positioning
Annular groove；
First described in the proximal end at the both ends that first positioning ring groove and second positioning ring groove are located at the pin shaft
Circlip is stuck on first positioning ring groove, and second circlip is stuck on second positioning ring groove, first circlip with
The pin shaft is axially fixed in the adjustment hole by second circlip；
The side of the rack gear is equipped with limited block, and the limited block and the third annular groove are located at the unilateral bearing
Two sides, the third circlip are stuck in the third positioning ring groove.
8. a kind of height-adjustable folding seat according to claim 1, it is characterised in that: the seat and the backrest
It is U-shaped structure, further includes seat, the seat is wrapped in the seat and described by back；
It further include folding hinge component, the backrest passes through the folding hinge component respectively with the back leg and the seat is hinged；
The folding hinge component includes the two foldings hinge component and sliding axle of mutual mirror image；
Folding hinge component includes fixed part and articulated section, and the articulated section is L font, one end of the articulated section with it is described solid
Determine portion's connection, the extending direction of the extending direction of the other end of the articulated section and the fixed part is on the contrary, the articulated section is inclined
Tiltedly it is equipped with folding hinge sliding slot；
Two folding hinge components are oppositely arranged, and the fixed part of two folding hinge components is fixedly connected on the upper of the back leg
The proximal end at end, one end of the articulated section is equipped with the first hinge joint, and first hinge joint is close with the rear end of the seat
Hinged at end, the proximal end of the other end of the articulated section and the lower end of the backrest are hinged；
The sliding axle is slidably disposed in folding hinge sliding slot, when folding seat expansion, the back leg with it is described
Angle between seat is obtuse angle, and the sliding axle slides into the top of the folding hinge sliding slot, and is against on the seat.
9. a kind of height-adjustable folding seat according to claim 8, it is characterised in that: it further include connecting rod, it is described
One end of connecting rod and the folding hinge other end are hinged, and the other end of the connecting rod and the middle part of the front foot are hinged, described
Connecting rod and the hinge joint of the front foot are located at the lower section of the hinge joint of the front foot and the seat.
10. a kind of height-adjustable folding seat according to claim 1, it is characterised in that: further include anti-skidding pedestal with
The middle part of headrest, the anti-skidding pedestal is equipped with ball；The lower end of the movable leg is equipped with bulb, and the bulb is inserted in the ball
It is interior；
The headrest includes mounting part, occipitalia and fixing component, and the mounting part is " door " font, and the lower end of the mounting part is set
There is long hole, the fixing component is U-shaped structure, and the fixing component is fixed on the upper end of the backrest, the fixing component
Opening is equipped with fixing axle, and the fixing axle is slidably connected with the long hole, the bottom to the mounting part of the long hole
The lowermost distance is less than the fixing axle at a distance from the backrest；The occipitalia is fixed on the mounting part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595011 | 2019-07-03 | ||
| CN2019105950111 | 2019-07-03 |
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| Publication Number | Publication Date |
|---|---|
| CN110448083A true CN110448083A (en) | 2019-11-15 |
| CN110448083B CN110448083B (en) | 2024-06-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910848364.8A Active CN110448083B (en) | 2019-07-03 | 2019-09-09 | Height-adjustable folding chair |
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| CN (1) | CN110448083B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166998Y (en) * | 1993-04-07 | 1994-06-01 | 国营风光木器厂 | Multi-function device for adjusting chair |
| US5931526A (en) * | 1998-06-12 | 1999-08-03 | Shin Yen Enterprise Co., Ltd. | Chair frame with an adjustable backrest frame |
| US20070236054A1 (en) * | 2006-03-27 | 2007-10-11 | Allan Bateman | Chair for Extended Seating Periods |
| CN201147046Y (en) * | 2008-01-31 | 2008-11-12 | 马跃凌 | Chaise longue capable of randomly regulating angle |
| CN201175119Y (en) * | 2007-05-24 | 2009-01-07 | 浙江泰普森休闲用品有限公司 | Seating reclining chair with pillow |
| CN202232633U (en) * | 2011-08-17 | 2012-05-30 | 江南大学 | Folding chair |
| CN103239043A (en) * | 2013-04-19 | 2013-08-14 | 李玉生 | Folding chair |
| CN103836560A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lifting rod hasp structure for lamp and projection lamp with lifting rod hasp structure |
| CN203885072U (en) * | 2014-06-19 | 2014-10-22 | 浙江群英车业有限公司 | Backrest adjustment member of deck chair |
| US9510683B1 (en) * | 2015-06-19 | 2016-12-06 | Michael D. Sharp | Folding chair with inflatable seat |
| CN106551541A (en) * | 2016-09-09 | 2017-04-05 | 厦门新技术集成有限公司 | A kind of foldable chair |
| CN106820704A (en) * | 2017-04-18 | 2017-06-13 | 佛山市石井旅游制品有限公司 | A kind of folding seat of Automatic-expanding small table plate |
| CN107374130A (en) * | 2017-08-25 | 2017-11-24 | 安吉飞龙金属制品厂 | A kind of swivel chair special manual positioner |
| JP2018033824A (en) * | 2016-09-02 | 2018-03-08 | 有限会社豊栄産業 | Table mounting structure for wheelchair |
| CN108741857A (en) * | 2018-07-02 | 2018-11-06 | 佛山职业技术学院 | A kind of full adjustable back chair |
| CN109222485A (en) * | 2018-10-31 | 2019-01-18 | 浙江省东阳市华厦家具有限公司 | A kind of redwood sofa |
| CN109567458A (en) * | 2019-01-26 | 2019-04-05 | 浙江大清翰林古典艺术家具有限公司 | A kind of rosewood chair |
| CN208896053U (en) * | 2018-10-29 | 2019-05-24 | 苏州瑞美科材料科技有限公司 | A kind of assembling equipment for motor vehicle seat back processing |
| CN210748185U (en) * | 2019-07-03 | 2020-06-16 | 佛山市石井旅游制品有限公司 | Folding chair with adjustable height |
-
2019
- 2019-09-09 CN CN201910848364.8A patent/CN110448083B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166998Y (en) * | 1993-04-07 | 1994-06-01 | 国营风光木器厂 | Multi-function device for adjusting chair |
| US5931526A (en) * | 1998-06-12 | 1999-08-03 | Shin Yen Enterprise Co., Ltd. | Chair frame with an adjustable backrest frame |
| US20070236054A1 (en) * | 2006-03-27 | 2007-10-11 | Allan Bateman | Chair for Extended Seating Periods |
| CN201175119Y (en) * | 2007-05-24 | 2009-01-07 | 浙江泰普森休闲用品有限公司 | Seating reclining chair with pillow |
| CN201147046Y (en) * | 2008-01-31 | 2008-11-12 | 马跃凌 | Chaise longue capable of randomly regulating angle |
| CN202232633U (en) * | 2011-08-17 | 2012-05-30 | 江南大学 | Folding chair |
| CN103836560A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lifting rod hasp structure for lamp and projection lamp with lifting rod hasp structure |
| CN103239043A (en) * | 2013-04-19 | 2013-08-14 | 李玉生 | Folding chair |
| CN203885072U (en) * | 2014-06-19 | 2014-10-22 | 浙江群英车业有限公司 | Backrest adjustment member of deck chair |
| US9510683B1 (en) * | 2015-06-19 | 2016-12-06 | Michael D. Sharp | Folding chair with inflatable seat |
| JP2018033824A (en) * | 2016-09-02 | 2018-03-08 | 有限会社豊栄産業 | Table mounting structure for wheelchair |
| CN106551541A (en) * | 2016-09-09 | 2017-04-05 | 厦门新技术集成有限公司 | A kind of foldable chair |
| CN106820704A (en) * | 2017-04-18 | 2017-06-13 | 佛山市石井旅游制品有限公司 | A kind of folding seat of Automatic-expanding small table plate |
| CN107374130A (en) * | 2017-08-25 | 2017-11-24 | 安吉飞龙金属制品厂 | A kind of swivel chair special manual positioner |
| CN108741857A (en) * | 2018-07-02 | 2018-11-06 | 佛山职业技术学院 | A kind of full adjustable back chair |
| CN208896053U (en) * | 2018-10-29 | 2019-05-24 | 苏州瑞美科材料科技有限公司 | A kind of assembling equipment for motor vehicle seat back processing |
| CN109222485A (en) * | 2018-10-31 | 2019-01-18 | 浙江省东阳市华厦家具有限公司 | A kind of redwood sofa |
| CN109567458A (en) * | 2019-01-26 | 2019-04-05 | 浙江大清翰林古典艺术家具有限公司 | A kind of rosewood chair |
| CN210748185U (en) * | 2019-07-03 | 2020-06-16 | 佛山市石井旅游制品有限公司 | Folding chair with adjustable height |
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|---|---|
| CN110448083B (en) | 2024-06-04 |
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