CN108720395A - lifting seat - Google Patents
lifting seat Download PDFInfo
- Publication number
- CN108720395A CN108720395A CN201810571491.3A CN201810571491A CN108720395A CN 108720395 A CN108720395 A CN 108720395A CN 201810571491 A CN201810571491 A CN 201810571491A CN 108720395 A CN108720395 A CN 108720395A
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- CN
- China
- Prior art keywords
- sliding block
- supporting rod
- pedestal
- wobble plate
- release link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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 abstract description 66
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000007480 spreading Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
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- Chairs Characterized By Structure (AREA)
Abstract
The invention discloses a kind of lifting seats, supporting rod including pedestal and for being connect with seat board, supporting rod is vertically slidably connected on pedestal, the cavity slided for supporting rod is equipped in pedestal, cavity inner wall is equipped with annular protrusion, cavity is divided into upper chamber and lower chambers, annular protrusion to be equipped with the through-hole passed through for supporting rod by annular protrusion；Supporting rod lower end is rotatably connected to wobble plate by the first hinge joint, lower chambers bottom is respectively provided with the first block and the second block for pushing against or being detached from wobble plate at wobble plate both ends, wobble plate both ends are connect by the first tension spring, the second tension spring with pedestal respectively, first tension spring and the second tension spring stiffness factor differ, and the bayonet lock for pushing against or being detached from wobble plate is equipped with close to the small side of stiffness factor on supporting rod.Offer is a kind of simple in structure, and safety coefficient is improved the lifting seat high with bearing capacity.
Description
Technical field
The present invention relates to a kind of lifting seats.
Background technology
Lifting seat is a kind of chair sat for people, he the characteristics of be that the height of seat upper base plate, seat can be adjusted
Plate is vertically slidably connected on pedestal, and pedestal can be placed on the ground, and then adjusts a people relative to ground
Sitting position height.The key of one lifting seat is that the mechanism of its adjusting seat board height, is adjusted in the prior art about such
The mechanism type for saving height is various, various informative；Wherein, it is exactly that gas is set between seat board and pedestal with most common structure
Cylinder, so people sit on seat board after can change seat board height automatically according to the weight of people, this kind of lifting seat
Security risk is larger, is easy to induce seat board due to cylinder aging and pedestal is popped out and even burst, and then to passenger
Cause personal injury；In addition, realize that the height of seat board is adjusted also by transmission mechanism is arranged between seat board and pedestal, it should
It is inconvenient that the lifting seat of type often causes to adjust due to the complicated of transmission mechanism.Generally speaking, in the prior art
Lifting seat generally existing it is complicated, safety coefficient not enough and the lower deficiency of bearing capacity.
Invention content
The technical problem to be solved by the present invention is to overcome existing technological deficiency, provide a kind of simple in structure, safety coefficient
It is improved the lifting seat high with bearing capacity.
Technical solution of the invention is to provide a kind of lifting seat having following structure：Including pedestal and it is used for
The supporting rod being connect with seat board, supporting rod are vertically slidably connected on pedestal, are equipped in pedestal and to be slided for supporting rod
Cavity, cavity inner wall are equipped with annular protrusion, and cavity is divided into upper chamber and lower chambers by annular protrusion, and annular protrusion, which is equipped with, to be supplied
The through-hole that supporting rod passes through；Supporting rod lower end is rotatably connected to wobble plate by the first hinge joint, and lower chambers bottom is at wobble plate both ends
It is respectively provided with and the first block and the second block that wobble plate is pushed against or is detached from, wobble plate both ends pass through the first tension spring, the respectively
Two tension springs are connect with pedestal, and the first tension spring and the second tension spring stiffness factor differ, and are set close to the small side of stiffness factor on supporting rod
It is useful for the bayonet lock for pushing against or being detached from wobble plate；When wobble plate and bayonet lock are detached from, wobble plate can not pass through through-hole；When wobble plate and bayonet lock
When abutting, wobble plate can pass through through-hole；The first sliding block and the second sliding block, the first sliding block and second are slidably connected on annular protrusion
Sliding block attracts each other, and upper chamber slidably connects holder close to the big side of stiffness factor, and holder is equipped with for being pushed against with wobble plate
Or the first raised line being detached from, and holder is equipped with the second raised line for being limited to the second sliding block, the first raised line to supporting rod
Distance is less than the second raised line to the distance of supporting rod, is connected by reset assembly between holder and pedestal, the first sliding block passes through limit
Hyte part is connect with pedestal；Supporting rod is equipped with for pushing the first sliding block and the second sliding block to strut dress far from supporting rod simultaneously
It sets.
As the present invention one kind preferably, the first tension spring stiffness factor be less than the second tension spring stiffness factor, the first tension spring with
Second tension spring is symmetrically distributed in the first hinge joint both sides.
Preferably, the first sliding block attracts each other with the second sliding block refers to one kind as the present invention, and the first sliding block is equipped with the
One magnet, the second sliding block are equipped with the second magnet for attracting each other with the first magnet；First sliding block and the second sliding block are symmetrical
Supporting rod both sides are distributed in, the first sliding block is slidably connected at by dovetail groove on annular protrusion, and the second sliding block is slided by dovetail groove
It is dynamic to be connected on annular protrusion.
As an improvement of the present invention, refer to that pedestal is equipped with by reset assembly connection between holder and pedestal to supply
The first chamber of bracket slide, pedestal are equipped with the first pilot hole for being connected to first chamber, and holder is equipped with guide rod, leads
Bar is parallel with the supporting rod direction of motion, and guide rod is slidably connected in the first pilot hole；The first compression spring, the first pressure are socketed on guide rod
Spring one end is pushed against with holder, and the other end is pushed against with first chamber inner wall；Pedestal below holder be equipped with for holder push against or
The limiting plate of disengaging, the second sliding block are equipped with the second protrusion for pushing against or being detached from the second raised line.
As an improvement of the present invention, the first sliding block, which is connect by limit assembly with pedestal, refers to, the company of sliding on pedestal
It is connected to gag lever post, the gag lever post direction of motion is parallel with the supporting rod direction of motion, is equipped with the first spacing ring in the middle part of gag lever post, on pedestal
Second chamber equipped with the second pilot hole slided for gag lever post and for the sliding of the first spacing ring, pedestal is below the first spacing ring
Equipped with the second spacing ring for pushing against or being detached from the first spacing ring, it is socketed on gag lever post for pushing the first spacing ring to support
The second compression spring on the second spacing ring is leaned against, second compression spring one end is pushed against with the first spacing ring, the other end and second chamber inner wall
It pushes against；First upper end of slide block is equipped with the first protrusion, and gag lever post lower end is equipped with the arc for pushing against or being detached from the first protrusion
Plush copper.
As an improvement of the present invention, supporting rod is equipped with for pushing the first sliding block and the second sliding block simultaneously far from branch
The device for spreading of strut refers to that reset push rod is slidably connected on supporting rod, resets pushrod movement direction and supporting rod movement side
To parallel；It resets and is equipped with third spacing ring in the middle part of push rod, supporting rod is equipped with third pilot hole and confession for resetting push rod sliding
The third chamber of third spacing ring sliding, third pilot hole and third chamber reset and are socketed with third compression spring on push rod, the
Three compression spring one end are pushed against with third spacing ring, and the other end is pushed against with third chamber inner wall；It is hinged by second to reset push rod lower end
Point is rotatably connected to the first release link and the second release link, and supporting rod is equipped with and is supported respectively with the first release link, the second release link
The first straight pin, the second straight pin tight or be detached from, the first release link are connect with the second release link by third tension spring.
As an improvement of the present invention, the first release link and the second release link are symmetrically distributed in supporting rod both sides, and first
Release link is in splayed structure with the second release link, and third tension spring one end is rotatablely connected with the first release link, the other end and second
Release link is rotatablely connected, and the first straight pin and the second straight pin are in the gap between the first release link and the second release link.
After using the above structure, a kind of lifting seat of the present invention compared with prior art, supporting rod lower end of the present invention wobble plate
Originally it is located at the first stop location of lower chambers, when needing supporting rod promoting a height, it is only necessary to pull supporting rod liter
Height, during wobble plate and the first block, the second block progressively disengage, since the first tension spring, the second tension spring are to wobble plate both ends
The pulling force in portion differs, then wobble plate will rotate around the first hinge joint, until wobble plate is resisted against on bayonet lock；With branch
The raising of strut, inclined wobble plate can pass through the through-hole on annular protrusion and enter in upper chamber；When wobble plate one end
When being resisted against epicoele chamber interior walls, wobble plate can be inverted around the first hinge joint, until wobble plate is bonded with epicoele chamber interior walls completely, and
Wobble plate can push the first raised line to increase to drive holder to be slided in first chamber, and then on holder in upper chamber's Umklapp process
The second raised line can release the constraint to the second protrusion on the second sliding block, the second sliding block is attracted force effect and court by the first sliding block
Supporting rod direction is slided, until the second sliding block and the abutting of wobble plate end；In such event, between the first sliding block and the second sliding block
Spacing reduce；Furtherly, the electromagnetic force on the first sliding block on the first magnet and the second sliding block between the second magnet becomes larger, into
And first the first protrusion of upper end of slide block can overcome the constraint of gag lever post lower end arc plush copper and be slided towards supporting rod direction, i.e., the
Two sliding blocks can successively be gathered towards supporting rod direction with the first sliding block, and realize on wobble plate lower end and the first sliding block, the second sliding block
The action that surface pushes against；Generally speaking, the wobble plate of supporting rod lower end can be promoted to from the first block by drawing high supporting rod
The height of first sliding block, and supporting rod can be applied to wobble plate and the first sliding block, the second sliding block by the gravity of vertical direction
On contact surface, so, the contact area for bearing gravity is expanded, and then improves the bearing capacity of seat, is also carried
The high safety coefficient of seat, mainly operates very easy, it is only necessary to directly raise supporting rod.In conclusion this hair
Bright offer is a kind of simple in structure, and safety coefficient is improved the lifting seat high with bearing capacity.
Description of the drawings
Fig. 1 is the schematic diagram of lifting seat of the present invention.
Fig. 2 is state diagram when wobble plate is across through-hole in the present invention.
Fig. 3 is state diagram when wobble plate is contacted with epicoele chamber interior walls in the present invention.
Fig. 4 is state diagram when wobble plate is bonded with epicoele chamber interior walls in the present invention.
Fig. 5 is the structural schematic diagram of limit assembly between the first sliding block and pedestal in the present invention.
Fig. 6 is wobble plate lower surface and state diagram when the first sliding block, the abutting of the second sliding block upper surface in the present invention.
Fig. 7 is the structural schematic diagram of device for spreading on supporting rod of the present invention.
As shown in the figure：1, the first tension spring, the 2, second tension spring, the 3, first block, the 4, second block, 5, pedestal, 6, supporting rod,
7, annular protrusion, 8, upper chamber, 9, lower chambers, 10, through-hole, the 11, first hinge joint, 12, wobble plate, 13, bayonet lock, 14, first slides
Block, the 15, second sliding block, 16, holder, the 17, second raised line, the 18, first raised line, 19, first chamber, the 20, first pilot hole, 21,
Guide rod, the 22, first compression spring, the 23, limiting plate, 24, second protrusion, 25, gag lever post, the 26, first spacing ring, the 27, second pilot hole,
28, second chamber, the 29, second spacing ring, the 30, second compression spring, the 31, first protrusion, 32, arc plush copper, 33, reset push rod, 34,
Third spacing ring, 35, third pilot hole, 36, third chamber, 37, third compression spring, the 38, second hinge joint, the 39, first release link,
40, the second release link, the 41, first straight pin, the 42, second straight pin, 43, third tension spring.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
As shown, lifting seat of the present invention includes placing pedestal 5 on the ground and the support for being connect with seat board
Bar 6, seat board is seated for people, and supporting rod 6 is vertically slidably connected on pedestal 5, is equipped in pedestal 5 and is slided for supporting rod 6
Dynamic cavity, cavity inner wall are equipped with annular protrusion 7, and cavity is divided into upper chamber 8 and lower chambers 9, annular protrusion by annular protrusion 7
7 are equipped with the through-hole 10 passed through for supporting rod 6；6 lower end of supporting rod is rotatably connected to wobble plate 12, cavity of resorption by the first hinge joint 11
9 bottom of room is respectively provided with the first block 3 and the second block 4 for pushing against or being detached from wobble plate 12, wobble plate at 12 both ends of wobble plate
12 both ends are connect by the first tension spring 1, the second tension spring 2 with pedestal 5 respectively, and the first tension spring 1 and 2 stiffness factor of the second tension spring are not
Deng close to the small side of stiffness factor equipped with the bayonet lock 13 for pushing against or being detached from wobble plate 12 on supporting rod 6；When wobble plate 12 and card
When pin 13 is detached from, wobble plate 12 can not pass through through-hole 10；When wobble plate 12 and bayonet lock 13 push against, wobble plate 12 can pass through through-hole 10；
The first sliding block 14 and the second sliding block 15 are slidably connected on annular protrusion 7, the first sliding block 14 attracts each other with the second sliding block 15, on
Chamber 8 slidably connects holder 16 close to the big side of stiffness factor, and holder 16 is equipped with for pushing against or being detached from wobble plate 12
First raised line 18, and holder 16 is equipped with the second raised line 17 for being limited to the second sliding block 15, the first raised line 18 arrives supporting rod 6
Distance be less than the second raised line 17 arrive supporting rod 6 distance, connected by reset assembly between holder 16 and pedestal 5, first slide
Block 14 is connect by limit assembly with pedestal 5；Supporting rod 6 is equipped with for pushing the first sliding block 14 and the second sliding block 15 remote simultaneously
Device for spreading from supporting rod 6.
First tension spring, 1 stiffness factor is less than 2 stiffness factor of the second tension spring, and the first tension spring 1 is symmetrically distributed in the second tension spring 2
First hinge joint, 11 both sides；That is, after wobble plate 12 is supported bar 6 and raises, the first tension spring 1 can take the lead in being softened, the
Two tension springs 2 can keep original shape；Until wobble plate 12 is resisted against bayonet lock 13 on supporting rod 6, the second tension spring 2 also can by by
It gradually struts, and then keeps wobble plate 12 inclined, as shown in Figure 2；Once wobble plate 12 is inclined, wobble plate 12 is from most
Left end shortens to right end projection in the horizontal direction, so wobble plate 12 can be facilitated across the through-hole 10 of annular protrusion 7 and
Enter upper chamber 8.Herein, annular protrusion 7 not only play the role of one segmentation chamber, and also act as one carrying
Effect, because annular protrusion 7 improves a benchmark to the sliding of the first sliding block 14 and the second sliding block 15, and in follow-up supporting rod
The gravity born on 6 can also be acted on indirectly by the first sliding block 14 and the second sliding block 15 on annular protrusion 7.
First sliding block 14 attracts each other with the second sliding block 15, and the first sliding block 14 is equipped with the first magnet, the second sliding block
15 are equipped with the second magnet for attracting each other with the first magnet；First sliding block 14 and the second sliding block 15 are symmetrically distributed in support
6 both sides of bar, the first sliding block 14 are slidably connected at by dovetail groove on annular protrusion 7, and the second sliding block 15 is slided by dovetail groove to be connected
It is connected on annular protrusion 7.By the way that the first magnet is arranged on the first sliding block 14, second magnet is set on the second sliding block 15, it can be with
Realize adjust automatically spacing between the first sliding block 14 and the second sliding block 15；Specifically, when the second raised line 17 is released to second
On sliding block 15 after the constraint of second protrusion 24, second magnet is inhaled by the first magnet on the first sliding block 14 on the second sliding block 15
Graviational interaction and slide to the left, until the second sliding block 15 is resisted against 12 right part of wobble plate；So, the first sliding block 14 with
Spacing between second sliding block 15 reduces, i.e. the spacing of first magnet and the second magnet on the second sliding block 15 subtracts on the first sliding block 14
It is small, according to Coulomb's law it is known that：Interaction force in vacuum between two static point charges is with their quantity of electric charge
Product it is directly proportional, the quadratic power at a distance from them is inversely proportional, and the direction of active force is on their line, charge phase of the same name
Mutually repel, different name charge attracts each other；Like the poles N on magnet attract each other with the poles S, and the poles N and N are extremely mutually exclusive；So
It says, once, the spacing of second magnet reduces on first magnet and the second sliding block 15 on the first sliding block 14, then the first magnet and the
Attraction between two magnet can become larger, and can not continue to slide to the left since the second magnet has been subjected to the constraint of 12 right part of wobble plate
It is dynamic, then the first magnet can be overcome the constraint of 25 lower end arc plush copper 32 of gag lever post by the attraction of bigger and slide to the right
Dynamic, until the first sliding block 14 is contacted with 12 left part of wobble plate, here it is state shown in Fig. 4,12 left and right ends of wobble plate are supported respectively
Lean against the first sliding block 14, on the second sliding block 15.
It is connected by reset assembly between holder 16 and pedestal 5 and refers to, pedestal 5 is equipped with the first chamber slided for holder 16
Room 19, pedestal 5 are equipped with the first pilot hole 20 for being connected to first chamber 19, and holder 16 is equipped with guide rod 21, guide rod 21
Parallel with 6 direction of motion of supporting rod, guide rod 21 is slidably connected in the first pilot hole 20；The first compression spring is socketed on guide rod 21
22,22 one end of the first compression spring is pushed against with holder 16, and the other end is pushed against with 19 inner wall of first chamber；Pedestal 5 is set below holder 16
It is useful for the limiting plate 23 for pushing against or being detached from holder 16, the second sliding block 15 is equipped with for pushing against or being detached from the second raised line 17
The second protrusion 24.
It refers to that gag lever post 25 is slidably connected on pedestal 5 that first sliding block 14, which is connect by limit assembly with pedestal 5, limit
25 direction of motion of bar is parallel with 6 direction of motion of supporting rod, and 25 middle part of gag lever post is equipped with the first spacing ring 26, and pedestal 5, which is equipped with, to be supplied
The second pilot hole 27 that gag lever post 25 slides and the second chamber 28 for the sliding of the first spacing ring 26, pedestal 5 is in the first spacing ring
26 lower sections are equipped with the second spacing ring 29 for pushing against or being detached from the first spacing ring 26, are socketed on gag lever post 25 for pushing
First spacing ring 26 is resisted against the second compression spring 30 on the second spacing ring 29, and 30 one end of the second compression spring is supported with the first spacing ring 26
Tightly, the other end is pushed against with 28 inner wall of second chamber；First sliding block, 14 upper end is equipped with the first protrusion 31, and 25 lower end of gag lever post is equipped with
Arc plush copper 32 for pushing against or being detached from the first protrusion 31.
Supporting rod 6 is equipped with for pushing the device for spreading of the first sliding block 14 and the second sliding block 15 simultaneously far from supporting rod 6
Refer to slidably connecting to reset push rod 33 on supporting rod 6, it is parallel with 6 direction of motion of supporting rod to reset 33 direction of motion of push rod；It is multiple
Push rod 33 middle part in position is equipped with third spacing ring 34, and supporting rod 6 is equipped with for resetting the third pilot hole 35 and supply that push rod 33 slides
The third chamber 36 that third spacing ring 34 slides, third pilot hole 35 are connected to third chamber 36, are resetted and are socketed on push rod 33
Third compression spring 37,37 one end of third compression spring are pushed against with third spacing ring 34, and the other end is pushed against with 36 inner wall of third chamber；Reset pushes away
33 lower end of bar is rotatably connected to the first release link 39 and the second release link 40 by the second hinge joint 38, and supporting rod 6, which is equipped with, to be divided
The first straight pin 41, the second straight pin 42 for not pushing against or being detached from the first release link 39, the second release link 40, the first release link
39 are connect with the second release link 40 by third tension spring 43.
First release link 39 and the second release link 40 are symmetrically distributed in 6 both sides of supporting rod, and the first release link 39 and second is multiple
Position bar 40 is in splayed structure, as shown in fig. 7, the first release link 39 and the second release link 40 are all heeling condition, third tension spring
43 one end are rotatablely connected with the first release link 39, and the other end and the second release link 40 are rotatablely connected, the first straight pin 41 and second
Straight pin 42 is in the gap between the first release link 39 and the second release link 40.
Operation principle：As shown, the wobble plate 12 of 6 lower end of supporting rod is located in the lower chambers 9 of pedestal 5,12 liang of wobble plate
End is born against on the first block 3 and the second block 4, and the first tension spring 1 and the second tension spring 2 are all there are no deforming, such as Fig. 1
Under shown state；
When needing to raise 6 upper end seat board of supporting rod, supporting rod 6,6 lower end of supporting rod are lifted by hand-held supports bar 6
Wobble plate 12 can be progressively disengaged from the first block 3, the second block 4；In the raised just section of wobble plate 12, due to the strength of the first tension spring 1
It spends coefficient and is less than 2 stiffness factor of the second tension spring, then the first tension spring 1 takes the lead in be softened, the second tension spring 2 is not deformed, i.e. wobble plate
12 rotate clockwise around the first hinge joint 11；Until wobble plate 12 is resisted against bayonet lock 13 on supporting rod 6, subsequent support
In 6 uphill process of bar, the second tension spring 2 also can be pulled gradually by wobble plate 12 and be strutted；Once wobble plate 12 is resisted against on bayonet lock 13, that
Wobble plate 12 will turn to heeling condition from original horizontality, that is, be in the state of right low left high, so wobble plate 12
Left end shortens to the projection of right end in the horizontal direction, can be with the raising of supporting rod 6 and across the logical of annular protrusion 7
Hole 10 enters in upper chamber 8, as shown in Figure 2；
After wobble plate 12 enters upper chamber 8, the left part of wobble plate 12 can take the lead in pushing against with 8 upper inner wall of upper chamber, pendulum
12 left part of plate is inverted by upper chamber's 8 inner wall constraint around the first hinge joint 11 counterclockwise, and wobble plate 12 is detached from bayonet lock 13,
Until wobble plate 12 is bonded completely with upper chamber 8 inner wall；For wobble plate 12 in 8 Umklapp process of upper chamber, 12 right half part of wobble plate can be with
First raised line 18 is contacted and the first raised line 18 is pushed to rise to push the sliding in first chamber 19 of holder 16, and holder 16 also can band
Dynamic second raised line 17 rises, and then the second protrusion 24 on the second raised line 17 and the second sliding block 15 is detached from, that is, releases the second raised line
The constraint of second protrusion 24 on 17 pair of second sliding block 15；So, on the second sliding block 15 second magnet by the first sliding block 14
The attraction of upper first magnet and slide to the left, until the second sliding block 15 is resisted against 12 right part of wobble plate；
Subsequently, as the first sliding block 14 and 15 spacing of the second sliding block reduce, then the spacing of the first magnet and the second magnet
Also can reduce；According to Coulomb's law it is found that the attraction between the first magnet and the second magnet can become larger, and then the first sliding block 14
On the first protrusion 31 can overcome the constraint of 25 lower end arc plush copper 32 of gag lever post and slide to the right, i.e., gag lever post 25 can be upward
It slides and compresses the second compression spring 30, until the first sliding block 14 is resisted against 12 left part of wobble plate, 12 both ends of wobble plate at this time are distinguished
It is pushed against with 14 upper surface of the first sliding block, 15 upper surface of the second sliding block, wobble plate 12, which is improved from the height value of the first block 3 to first, to be slided
The height value of block 14, and then the seat board on 6 entirety of supporting rod and supporting rod 6 has all been enhanced corresponding height value, such as Fig. 4 institutes
Show；
When taking in the seat board of 6 upper end of supporting rod, the gravity that supporting rod 6 is subject to can act on 12 both ends of wobble plate difference
With 14 upper surface of the first sliding block, 15 upper surface of the second sliding block contact surface on；And when needing to decline supporting rod 6, it is only necessary to push away
Dynamic to reset push rod 33 so that resetting the decline of push rod 33, the second hinge joint 38 for resetting 33 lower end of push rod declines, and resets push rod 33
The first release link 39 can be pushed to be rotated simultaneously with the second release link 40, and the first release link 39 is rotated against the first straight pin 41
To push the first sliding block 14 to slide reset to the left, the second release link 40 is rotated against the second straight pin 42 to push the second sliding block 15
Sliding resets to the right, and third tension spring 43 is softened；And after the first sliding block 14, the second sliding block 15 are detached from wobble plate 12, due to
The pulling force effect of first tension spring 1, the second tension spring 2, due to rotation, inclined decline resets wobble plate 12, until restoring to figure
1 state.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit protection scope of the present invention.It is all in this hair
Within bright claim, made by any modification, equivalent replacement and improvement etc., should be included in protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of lifting seat, it includes pedestal (5) and the supporting rod (6) for being connect with seat board, and supporting rod (6) is along vertical side
To being slidably connected on pedestal (5), it is characterised in that：The cavity slided for supporting rod (6), cavity inner wall are equipped in pedestal (5)
Equipped with annular protrusion (7), cavity is divided into upper chamber (8) and lower chambers (9), annular protrusion (7) to be equipped with by annular protrusion (7)
The through-hole (10) passed through for supporting rod (6)；Supporting rod (6) lower end is rotatably connected to wobble plate (12) by the first hinge joint (11),
Lower chambers (9) bottom is respectively provided with the first block (3) and for pushing against or being detached from wobble plate (12) at wobble plate (12) both ends
Two blocks (4), wobble plate (12) both ends are connect by the first tension spring (1), the second tension spring (2) with pedestal (5) respectively, the first tension spring
(1) differ with the second tension spring (2) stiffness factor, on supporting rod (6) close to the small side of stiffness factor be equipped with for wobble plate (12)
The bayonet lock (13) for pushing against or being detached from；When wobble plate (12) and bayonet lock (13) are detached from, wobble plate (12) can not pass through through-hole (10)；Work as pendulum
When plate (12) is pushed against with bayonet lock (13), wobble plate (12) can pass through through-hole (10)；Annular protrusion slidably connects the first cunning on (7)
Block (14) and the second sliding block (15), the first sliding block (14) attract each other with the second sliding block (15), and upper chamber (8) is close to stiffness factor
Big side slidably connects holder (16), and holder (16) is equipped with the first raised line for pushing against or being detached from wobble plate (12)
(18), and holder (16) is equipped with the second raised line (17) for being limited to the second sliding block (15), the first raised line (18) to support
The distance of bar (6) is less than the distance that the second raised line (17) arrives supporting rod (6), passes through reset group between holder (16) and pedestal (5)
Part connects, and the first sliding block (14) is connect by limit assembly with pedestal (5)；Supporting rod (6) is equipped with for pushing the first sliding block
(14) with the second sliding block (15) and meanwhile far from supporting rod (6) device for spreading.
2. lifting seat according to claim 1, it is characterised in that：First tension spring (1) stiffness factor is less than the second tension spring
(2) stiffness factor, the first tension spring (1) are symmetrically distributed in the first hinge joint (11) both sides with the second tension spring (2).
3. lifting seat according to claim 1, it is characterised in that：First sliding block (14) is mutually inhaled with the second sliding block (15)
Draw and refer to, the first sliding block (14) is equipped with the first magnet, and the second sliding block (15) is equipped with for attracting each other with the first magnet
Second magnet；First sliding block (14) is symmetrically distributed in supporting rod (6) both sides with the second sliding block (15), and the first sliding block (14) passes through swallow
Stern notch is slidably connected on annular protrusion (7), and the second sliding block (15) is slidably connected at by dovetail groove on annular protrusion (7).
4. lifting seat according to claim 1, it is characterised in that：Pass through reset group between holder (16) and pedestal (5)
Part connection refers to, pedestal (5) is equipped with the first chamber (19) slide for holder (16), and pedestal (5) is equipped with for first
The first pilot hole (20) of chamber (19) connection, holder (16) are equipped with guide rod (21), guide rod (21) and supporting rod (6) movement side
To parallel, guide rod (21) is slidably connected in the first pilot hole (20)；The first compression spring (22), the first pressure are socketed on guide rod (21)
Spring (22) one end is pushed against with holder (16), and the other end is pushed against with first chamber (19) inner wall；Pedestal (5) is set below holder (16)
It is useful for the limiting plate (23) for pushing against or being detached from holder (16), the second sliding block (15) is equipped with for being supported with the second raised line (17)
Second raised (24) that are tight or being detached from.
5. lifting seat according to claim 1, it is characterised in that：First sliding block (14) passes through limit assembly and pedestal
(5) connection refers to that gag lever post (25) is slidably connected on pedestal (5), gag lever post (25) direction of motion and supporting rod (6) movement side
To parallel, the first spacing ring (26) is equipped in the middle part of gag lever post (25), pedestal (5) is equipped with and is led for gag lever post (25) slides second
To hole (27) and for the second chamber (28) that the first spacing ring (26) slides, pedestal (5) is equipped with below the first spacing ring (26)
For the second spacing ring (29) with the first spacing ring (26) abutting or disengaging, it is socketed on gag lever post (25) for pushing first
Spacing ring (26) is resisted against the second compression spring (30) on the second spacing ring (29), the second compression spring (30) one end and the first spacing ring
(26) it pushes against, the other end is pushed against with second chamber (28) inner wall；First sliding block (14) upper end is equipped with first raised (31), gag lever post
(25) lower end is equipped with the arc plush copper (32) for pushing against or being detached from first raised (31).
6. lifting seat according to claim 1, it is characterised in that：Supporting rod (6) is equipped with for pushing the first sliding block
(14) device for spreading with the second sliding block (15) while separate supporting rod (6) refers to that slidably connecting reset on supporting rod (6) pushes away
It is parallel with supporting rod (6) direction of motion to reset push rod (33) direction of motion for bar (33)；It resets and is equipped with third limit in the middle part of push rod (33)
Position ring (34), supporting rod (6) are equipped with for the third pilot hole (35) of reset push rod (33) sliding and for third spacing ring (34)
The third chamber (36) of sliding, third pilot hole (35) are connected to third chamber (36), are resetted and are socketed with third on push rod (33)
Compression spring (37), third compression spring (37) one end are pushed against with third spacing ring (34), and the other end is pushed against with third chamber (36) inner wall；It is multiple
Position push rod (33) lower end is rotatably connected to the first release link (39) and the second release link (40) by the second hinge joint (38), supports
Bar (6) is equipped with the first straight pin (41) for pushing against or being detached from the first release link (39), the second release link (40) respectively, second
Straight pin (42), the first release link (39) are connect with the second release link (40) by third tension spring (43).
7. lifting seat according to claim 6, it is characterised in that：First release link (39) and the second release link (40) are right
Title is distributed in supporting rod (6) both sides, and the first release link (39) is in splayed structure, third tension spring (43) with the second release link (40)
One end and the first release link (39) are rotatablely connected, and the other end is rotatablely connected with the second release link (40), the first straight pin (41) and
Second straight pin (42) is in the gap between the first release link (39) and the second release link (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810571491.3A CN108720395B (en) | 2018-06-05 | 2018-06-05 | Lifting chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810571491.3A CN108720395B (en) | 2018-06-05 | 2018-06-05 | Lifting chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108720395A true CN108720395A (en) | 2018-11-02 |
| CN108720395B CN108720395B (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810571491.3A Active CN108720395B (en) | 2018-06-05 | 2018-06-05 | Lifting chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108720395B (en) |
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| GB771392A (en) * | 1954-02-26 | 1957-04-03 | Usines Des Ressorts Du Nord | Improvements in and relating to a damping device for a suspension and suspension incorporating this device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108720395B (en) | 2020-06-19 |
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Effective date of registration: 20200526 Address after: 528300 building 3, Beihua Road, Tandong Industrial Zone, Longjiang Town, Shunde District, Foshan City, Guangdong Province Applicant after: Foshan Jinfu Island furniture manufacturing Co., Ltd Address before: 317200 20 group 6, East Wang Village, Baihe Town, Tiantai County, Taizhou, Zhejiang Applicant before: Wang Jie |
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