CN110403382A - The air pressure rod quickly assembled and disassembled with chair lift supporting mechanism - Google Patents
The air pressure rod quickly assembled and disassembled with chair lift supporting mechanism Download PDFInfo
- Publication number
- CN110403382A CN110403382A CN201910775966.5A CN201910775966A CN110403382A CN 110403382 A CN110403382 A CN 110403382A CN 201910775966 A CN201910775966 A CN 201910775966A CN 110403382 A CN110403382 A CN 110403382A
- Authority
- CN
- China
- Prior art keywords
- air pressure
- pressure rod
- sleeve
- lock sleeve
- lockset
- 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.)
- Granted
Links
- 239000007787 solid Substances 0.000 claims description 79
- 230000001050 lubricating effect Effects 0.000 claims description 54
- 238000005461 lubrication Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000008602 contraction Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 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 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920003210 poly(4-hydroxy benzoic acid) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation 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
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
Landscapes
- Chairs Characterized By Structure (AREA)
Abstract
The invention discloses the air pressure rods that one kind is quickly assembled and disassembled with chair lift supporting mechanism, including air pressure rod ontology, air pressure rod ontology include: outer barrel；Main shaft, the main shaft in such a way that inside forms gas passage inside tube and outboard tube to be made of；Piston rod, one end and outer barrel one end with bar are fixed and the bar other end is inserted into the piston of inside tube in sliding manner；Valve body is combined with one end of main shaft；Support member with through-hole, at least part of support member are inserted into outer barrel and fasten with outer barrel；The air pressure rod further include: the lockset being fixed on supporting mechanism is at least provided with the lockset in one end of air pressure rod ontology, is locked or unclamped with the position connecting to air pressure rod ontology with the lockset；The Quick-dismantle component for making lockset lock or unclamp air pressure rod ontology, the Quick-dismantle component are connect with lockset.The present invention can rapidly assemble and disassemble air pressure rod and chair.
Description
Technical field
The present invention relates to a kind of lifting device, in particular to a kind of air pressure quickly assembled and disassembled with chair lift supporting mechanism
Stick.
Background technique
As shown in Figure 1, air pressure rod is suitable for the height adjustment structure in the seat board portion sat for user chair etc., root
According to the selection of user, the lifting in seat board portion is carried out through air pressure.As shown in Fig. 2, above-mentioned air pressure rod includes: outer barrel 10,
It is vertically disposed at the pedestal on ground；Collar tube sub-assembly 20 is combined with the upper inside of above-mentioned outer barrel 10；Main shaft 30, with energy
Enough insides that above-mentioned collar tube sub-assembly 20 is inserted into along the mode that up and down direction is slided form gas flow path in centre, by
Inside tube 32 and outboard tube 34 are constituted；Piston 40 is located at the inside of above-mentioned inside tube 32, according to air pressure in a manner of it can slide
To implement the lifting of above-mentioned main shaft 30；Bar 50, upper end are fixed on the bottom center of above-mentioned piston 40, and lower end is fixed on above-mentioned outer cylinder
The bottom surface of body 10；Valve body 60 is combined with the upside of above-mentioned main shaft 30, according to the valve pin of the moving direction for controlling gas
Movement, works to control above-mentioned main shaft 30 along up and down direction；Lever, for running above-mentioned valve pin 62.Above-mentioned cylinder is to penetrate
The movement of gas is operated, the gas positioned at the upper and lower sides space centered on above-mentioned piston 40, on being formed in
The movement for stating the valve pin of valve body 60 is moved through the gas flow between valve body 60 and inside tube 32 and outboard tube 34, thus
Above-mentioned main shaft 30 is gone up and down.
Air pressure rod with above structure is primarily adapted for use in chair, when occupant operates through operating lever, main shaft
30 are gone up and down under the support of above-mentioned bar 50, to carry out descending operation to seat board portion 70.If seat board portion 70 is universal
Wheel support 80 it is this kind of supporting mechanism damage, need to air pressure rod with dismantle, one end of above-mentioned outer barrel 10 is inserted into ten thousand
It is interference fitted into the through-hole of wheel support 80 and with caster bracket 80, main shaft 30 and seat board portion 70 are interference fitted.However, due to
The tapered structure in the end of above-mentioned outer barrel 10 and main shaft 30, chair after long-term use, by the effect in pressure, make outer
The cooperation of cylinder 10 and caster bracket 80 is more and more tighter and main shaft 30 and the interference fit in seat board portion 70 it is more and more tighter, from
And the supporting mechanism disassembly change for causing air pressure rod this kind of with caster bracket 80 and seat board bracket 70 is extremely difficult.
Summary of the invention
One of the objects of the present invention is to provide the air pressure rod that one kind is quickly assembled and disassembled with chair lift supporting mechanism, this hairs
It is bright rapidly to assemble and disassemble air pressure rod and chair.
The technical solution for solving above-mentioned technical problem is as follows:
The air pressure rod quickly assembled and disassembled with chair lift supporting mechanism, including air pressure rod ontology, air pressure rod ontology include:
Outer barrel；
Main shaft, the main shaft in such a way that inside forms gas passage inside tube and outboard tube to be made of；
Piston rod, one end and outer barrel one end with bar are fixed and the bar other end is inserted into inside tube in sliding manner
Piston；
Valve body is combined with one end of main shaft, according to the movement of the valve pin for controlling gas moving direction, to control master
Axis is axially worked centered on piston；
Support member with through-hole, at least part of support member are inserted into outer barrel and fasten with outer barrel；
The air pressure rod further include:
The lockset being fixed on supporting mechanism is at least provided with the lockset in one end of air pressure rod ontology, to air pressure rod
It is locked or is unclamped in the position that ontology is connect with the lockset；
The Quick-dismantle component for making lockset lock or unclamp air pressure rod ontology, the Quick-dismantle component are connect with lockset.
Advantages of the present invention is as follows: cooperated by device for quickly disassembling and supporting mechanism, and air pressure rod ontology then with support
Mechanism is detachably installed, when needing to remove air pressure rod ontology from such as chair lift, by operating to device for quickly disassembling
Air pressure rod ontology can be unloaded, and device for quickly disassembling then stays on supporting mechanism, has both avoided air pressure rod ontology and supporting mechanism in this way
Connection or interference fit, and can rapidly unload air pressure rod ontology.
Detailed description of the invention
Fig. 1 is the schematic diagram of the existing chair equipped with air pressure rod；
Fig. 2 is the structural schematic diagram of air pressure rod in the prior art；
Fig. 3 is the schematic diagram of the section structure of the first air pressure rod in the present invention；
Fig. 4 is the structural schematic diagram of the first air pressure rod ontology preferred embodiment in the present invention；
Fig. 5 be in support member in the first air pressure rod ontology first embodiment schematic diagram；
Fig. 6 is the schematic diagram of the first embodiment of the solid lubricating members in the first air pressure rod ontology；
Fig. 7 is the installation diagram of the second embodiment of the support member and solid lubricating members in the first air pressure rod ontology；
Fig. 8 is the sectional view of Fig. 7；
Fig. 9 is the installation diagram of the 3rd embodiment of the support member and solid lubricating members in the first air pressure rod ontology；
Figure 10 is the installation diagram of the fourth embodiment of the support member and solid lubricating members in the first air pressure rod ontology；
Figure 11 is the schematic perspective view of the solid lubricating members in Figure 10；
Figure 12 is the installation diagram of the 5th embodiment of the support member and solid lubricating members in the first air pressure rod ontology；
Figure 13 is the structural schematic diagram of second of air pressure rod ontology in the present invention；
Figure 14 is the structural schematic diagram of the third air pressure rod ontology in the present invention；
Figure 15 is the structural schematic diagram of the 4th kind of air pressure rod ontology in the present invention；
Figure 16 is the structural schematic diagram of the first lock sleeve in the present invention；
Figure 17 is the structural schematic diagram of second of lock sleeve in the present invention；
Figure 18 is the schematic diagram of the Quick-dismantle component cooperated with second of lock sleeve；
Figure 19 is the schematic diagram of the section structure of second of air pressure rod in the present invention；
Figure 20 is the schematic diagram of the outer sleeve in Figure 19；
Figure 21 is the schematic diagram of the sleeve in Figure 19；
Label of the Fig. 3 into Figure 21:
A is air pressure rod ontology, and B is device for quickly disassembling；
100 be outer barrel, and 110 be hole；
200 be main shaft, and 210 be inside tube, and 220 be outboard tube；
300 be piston rod, and 310 be piston, and 320 be bar；
Valve body 400；
500 be support member, and 501 be through-hole, and 501a is the first hole, and 501b is the second hole, and 501c is step, and 502 be cylinder
Body, 520 be inner tube, and 521 be bar-like member, and 522 be radial extension, and 503 be axially-extending portion, and 504 be installing component, 505
It is skewed slot for fitting groove, 506；
600 be solid lubricating members, and 601 be guide hole, and 602 be solid lubrication portion, and 603 be skeleton, and 604 be fin, 605
It is limiting component for spacer, 606；
700 be axial limiting component, and 701 be limiting section, and 702 be extension, and 703 be the portion that turns back, and 704 be spring, and 705 are
Compacting part；
800 is allow bit space；
900 be lock sleeve, flange 900a, and 901 be casing, and 902 be latch segment, and 903 be screw thread, and 904 be top, 905
It is department of assembly for opening sleeve, 906,910 be first sleeve, and 911 be the second casing, and 920 be thread bush；921 be shank, and 922 are
Spinning portion is rotated, 923 be eccentrically mounted portion, and 924 be articulated shaft, and 925 be secure component, and 926 be pressure cap, and 927 be hinge member,
930 be outer sleeve, and 930a is external screw thread, and 940 be sleeve, and 940a is annular groove, and 940b is internal screw thread.
Specific embodiment
As shown in figure 3, the air pressure rod quickly assembled and disassembled with chair lift supporting mechanism, including air pressure rod ontology A, fast dismounting
B is set, device for quickly disassembling B includes the lockset being fixed on supporting mechanism, Quick-dismantle component, is at least arranged in one end of air pressure rod ontology A
There is the lockset, is locked or unclamped with the position being connect to air pressure rod ontology A with the lockset, Quick-dismantle component makes lockset to gas
Pressure bar ontology A is locked or is unclamped, and Quick-dismantle component is connect with lockset.
As shown in figure 4, air pressure rod ontology A includes: outer barrel 100, main shaft 200, piston rod 300, valve body 400, support portion
Part 500, solid lubricating members 600, the relationship to each section and between them is described in detail below:
As shown in figure 4, outer barrel 100 is formed centrally within the hole 110 penetrated through along up and down direction.Main shaft 200 is along outer
The axial of cylinder 100 carries out elevating movement；Piston rod 300 is combined with outer barrel 100, is used for lifting spindle 200；Valve body 400
For changing gas flow path.Main shaft 200 is inserted into hole 110, and main shaft 200 is in a manner of in inside formation gas passage by inside tube
210 and outboard tube 220 constitute.Above-mentioned piston rod 300 is made of piston 310 and bar 320, one end of bar 320 and outer barrel 100 1
End is fixed and 320 other end of bar is connected with piston 310.Such as well-known technique of piston 310 is inserted into above-mentioned main shaft 200 in sliding manner
Inside tube 220.Valve body 400 is identical as well-known technique, combines with one end of main shaft 200, according to the shifting for controlling gas
The movement of the valve pin in dynamic direction, works to control main shaft 200 centered on above-mentioned piston 310 along up and down direction.Above-mentioned valve pin
420, but according to the axial movement of lever, control the gas flow path of above-mentioned valve body 400.
As shown in Figure 4 and Figure 5, support member 500 has through-hole 501, and at least part of support member 500 is inserted into outer
It is fastened in cylinder 100 and with outer barrel 100, in the present embodiment, the main function of main brace component 500 is to solid lubricating members
600 form support, which includes support in axial direction and radially, to prevent solid lubricating members 600 mobile
Or deformation.
As shown in Figure 4 and Figure 6, solid lubricating members 600 are located in the through-hole 501 of support member 500 and support member 500
Solid lubricating members 600 are formed and are supported, solid lubricating members 600 are equipped with axial guide hole 601, main shaft 200 it is another
End is in sliding manner along the guide hole 601 axially across solid lubricating members 600 of solid lubricating members 600.When main shaft 200
Along solid lubricating members 600 axial movement when, main shaft 200 is lubricated by solid lubricating members 600.
As shown in Figure 4, it is preferable that have by rubbing to generate to main shaft between main shaft 200 and solid lubricating members 600
200 along solid lubricating members 600 axial movement when to main shaft 200 formed lubrication solid lubricant film.
Solid lubricating members 600 include at least solid lubrication portion 602, solid lubrication portion 602 using molybdenum disulfide, graphite,
Fluorographite, boron nitride, silicon nitride, polytetrafluoroethylene (PTFE), nylon, polyformaldehyde, polyimides, one in ekonol
Kind is made.In the present embodiment, solid lubricating members 600 are preferentially made of polytetrafluoroethylene (PTFE).
As shown in Figure 4 and Figure 5, the through-hole 501 in support member 500 is made of the first hole 501a and the second hole 501b, the
The aperture of one hole 501a and the second hole 501b are unequal, and step 501c is formed between the first hole 501a and the second hole 501b, Gu
Body lubrication assembly 600 and step 501c formation is supported.The aperture of the guide hole 601 of solid lubricating members 600 is slightly less than
The aperture of second hole 501b, therefore solid lubricating members 600 are mounted in the first hole 501a.
As shown in figure 4, preferably further including an axial limiting component 700, which is located at support portion
One end of part 500, and axial limiting component 700 is fixedly connected with support member 500 and/or outer barrel 100, axial limiting component
700 support with solid lubricating members 600 to form axial limiting to the solid lubricating members 600.Pass through step 501c and axial direction
Limitation of the limiting component 700 to solid lubricating members 600, so that solid lubricating members 600 be made not send out with respect to support member 500
Raw axial movement.
As shown in Figures 4 to 6, the structure of structure to support member 500 of solid lubricating members 600 is related, for example, being based on
The structure of through-hole 501 shown in above-mentioned Fig. 3, solid lubricating members 600 further include skeleton 603, and the solid lubrication portion 602 is set to
On the skeleton 600.It is supported respectively with the step 501c and the formation of axial limiting component 700 at the both ends of skeleton 603.
As shown in Figures 4 to 6, skeleton 603 preferentially uses tubular part, and it is in shoe that skeleton 603, which can also use multiple,
Discreet component, these discreet components are located on the same circumference of through-hole 501.
As shown in Fig. 4 to Fig. 5, support member 500 includes cylinder 502 and axially-extending portion 503, axially-extending portion 503
Outer diameter be less than the outer diameter of cylinder 502, allow bit space 800 to be formed between the 100 of axially-extending portion 503 and outer barrel, axis
It include limiting section 701 and extension 702 to limiting component 700, extension 702 is inserted into described after allowing in bit space 800, prolongs
Extending portion 800 is fixedly connected with support member 500 and/or outer barrel 100.It can be using rivet to extension 800 and support member
500 and/or outer barrel 100 be attached.
Axial limiting component 700 can also only include limiting section 701, and limiting section 701 and the axial end of support member 500 are solid
Fixed connection.
The friction surface of solid lubricating members and main shaft can be firmly attached the lubricating film formed by solid lubricant, energy
The mutual transfer that serious metal is generated between relative motion surface is prevented, so that coefficient of friction be avoided to increase.Solid lubrication group
The power loss of part is low, and temperature rising is small, and coefficient of friction is low, and its shearing strength should not become in wide temperature range
Change.Solid lubricating members do not generate corrosion and other harmful effects, and in the presence of no active material, temperature change will not draw
The various change of phase transformation or lattice is played, therefore is not to cause the variation of shearing strength, the frictional behaviour of solid is caused to change.Phase
For the lubricating system using grease, solid lubricating members in the present invention are corrosion-free to main shaft, and solid lubrication
Component will not dry out and increasing friction force after the long-time use as grease, i.e., the coefficient of friction of solid lubricating members is always
State in holding.And main shaft is lubricated using solid lubricating members, grease or other lubricating oil pair can not had to
Main shaft is lubricated, in this way, no matter any a part of the outerface of spindle can keep clean state.
The structure that the present invention is not limited to the above embodiments, such as:
(a), as shown in Figure 7 and Figure 8, support member 500 includes cylinder 502, the mounting portion being arranged on 502 outer wall of cylinder
Part 504；After cylinder 502 is inserted into outer barrel 100, installing component 504 and outer barrel 100 are fastened by secure component, fastening
Component can be rivet or pin.The inner wall of outer barrel 100 is equipped with lug boss (not shown), and cylinder is inserted into outer cylinder
After in body, lug boss fixes cylinder with the cooperation of installing component 504, and lug boss and installing component 504 are interference fitted.
As shown in Figure 7 and Figure 8, cylinder 502 includes inner tube 520, multiple are located on 520 outer peripheral surface of inner tube and match with outer barrel
The bar-like member 521 of conjunction, bar-like member 521 along inner tube 520 circumferentially-spaced arrangement.Bar-like member 521 and 100 mistake of outer barrel
It is full of after cooperation, issues and rotate to avoid cylinder 502.The end of cylinder 502 is equipped with radial extension 522, and radial extension 522 is right
The end of outer barrel 100, which is formed, to be covered, and keeps air pressure rod ontology A integrally more aesthetically pleasing.Inner tube 520, bar-like member 521 and radial direction
Extension 522 can be integrally formed, integral by fastener or interference relationship solid after individually can also partially cooperating.
(b), the inner peripheral surface of support member 500 is equipped with fitting groove 505, the solid lubricating members 600 and the assembly
Slot cooperation.As shown in figure 9, when fitting groove 505 along be parallel to support member 500 it is axially extending when, the week of solid lubricating members 600
Fin 604 is set on face, and fin 604 and fitting groove 505 cooperate, in this way can be to avoid solid lubricating members 600 with respect to support portion
Part 500 rotates.
(c), as shown in Figure 10 and Figure 11, when circumferentially extending of the fitting groove 505 along support member 500, fitting groove 505
For annular groove, at this moment, the structure of the solid lubricating members includes solid lubrication portion 602, and solid lubrication portion 602 uses polytetrafluoro
The ring set is mounted in the annular groove 505 by ring set made of ethylene.Further, setting at the inner surface interval of ring set
Set recessed portion.
(d), as shown in figure 12, the solid lubricating members 600 can also be by solid lubrication portion 602, spacer 605, limit
Component 606 forms, and the quantity in solid lubrication portion 602 includes at least the first solid lubrication portion and the second solid lubrication portion, and first is solid
The one end in body lubrication portion is supported with the step 501c, and one end of the other end and spacer 605 in the first solid lubrication portion is supported, every
The other end of set 605 and the one end in the second solid lubrication portion are supported, and the other end and the limiting component 606 in the second solid lubrication portion support
Top, limiting component 606 and support member 500 are fixed, and limiting component 606 is connect with support member using screw thread or screw.
(e), as shown in figure 13, the inner peripheral surface of one end of the outer barrel 100 is the conical surface, the axial limiting component 700
The limiting section 701 of axial limiting is carried out including the end to solid lubricating members 600, axial limiting component 700 further includes turning back
Portion 703, the offset inboard of the one end in the portion 703 that turns back limiting component 700 in the axial direction, portion 703 and axial limiting portion so that this is turned back
The angle formed between the axial direction of part 700 is acute angle.The outer peripheral surface of the support member 500 is equipped with skewed slot 506, and turn back portion
703 with the skewed slot 506 cooperation be inserted into outer barrel 100 in, turn back portion 703 by the conical surface of 100 one end of outer barrel extruding and
It is formed and is interference fitted with outer barrel and support member 500.
(f), as shown in figure 14, the axial limiting component 700 includes limiting section 701 made of non-metallic material, limit
Position portion 701 is preferentially made of rubber, and one end of the limiting section 701 forms with the end of solid lubricating members 600 and supports, simultaneously
Limiting section 701 forms sealing function to main shaft 200, avoids dust from entering in guide hole 601 and increases frictional force.
Axial limiting component 700 further includes spring 704, and the circumferential surface of the limiting section 701 is equipped with groove body, and spring 704 is matched
It closes in groove body, after limiting section 701 is frayed, spring 704 shrinks limiting section 701, so that limiting section 701 be made to remain
Sealing to main shaft 200.
Axial limiting component 700 further includes compacting part 705, and compacting part 705 and the other end of limiting section 701 are supported,
Compacting part 705 is fixedly connected with support member and/or outer barrel.
(g), air pressure rod ontology A as shown in figure 15, comprising:
Outer barrel 100；
Main shaft 200, the main shaft 200 is in a manner of in inside formation gas passage by 220 structure of inside tube 210 and outboard tube
At；
Piston rod 300, one end with bar 320 is fixed with 100 one end of outer barrel and 320 other end of bar is inserted in sliding manner
Enter the piston 310 to inside tube 210；
Valve body 400 is combined with one end of main shaft 200, according to the movement of the valve pin for controlling gas moving direction, is come
Control main shaft 200 is axially worked centered on piston 300；
Support member 500 with through-hole 501, at least part of support member 500 be inserted into outer barrel 100 and with
Outer barrel 100 fastens；Through-hole 501 is straight hole.
Solid lubricating members 600, solid lubricating members 600 are projectedly set on the outer peripheral surface of main shaft 200, solid lubrication
Component 600 is fastened together with main shaft 200, and solid lubricating members 600 include solid lubrication portion 602, solid lubricating members 600
It can also be made of skeleton 603 and solid lubrication portion 602, solid lubrication portion 602 is set to the outer peripheral surface of skeleton 603, skeleton 603
Inner hole then with main shaft 200 cooperate.
When 200 other end of main shaft is inserted into support member, the solid lubrication component 600 is logical with support member 500
Hole 501 cooperates in sliding manner.
Rest part is identical as the structure of the first air pressure rod ontology A (such as axial limiting component 700) in the embodiment.
As shown in figure 3, the both ends of preferential air pressure rod ontology A in the above embodiments are mounted on device for quickly disassembling B, fastly
Dismantling device B is preferentially made of lockset and Quick-dismantle component, is carried out below to the several embodiments of lockset and Quick-dismantle component detailed
Illustrate:
(a1), as shown in Fig. 3 and Figure 16, lockset includes the lock sleeve 900 and outer tube group covered on air pressure rod ontology A
Part, at least part of lock sleeve 900 generate locking active force to air pressure rod ontology A in radial contraction；Outer tube assembly set
On lock sleeve 900, one end and the air pressure rod ontology A of housing tube assembly are fixed, the other end and lock sleeve 900 of housing tube assembly
Cooperation is moved axially with limiting lock sleeve 900 along air pressure rod ontology A.
As shown in Fig. 3 and Figure 16, lock sleeve 900 includes: the discrete latch segment 902 of casing 901, at least two, these locks
Tight block 902 is set on the same circumference of 901 one end of casing, has interval, each latch segment between two neighboring latch segment 902
The screw thread 903 extended along same helix is provided on 902 circumferential surface.The Quick-dismantle component is thread bush 920.Thread bush
920 are threadedly coupled with latch segment 902, and the outer peripheral surface of latch segment 902 is the conical surface, and the inner peripheral surface of thread bush 920 is taper, works as spiral shell
When line set 920 is threadedly coupled with latch segment 902, the extruding that 902 outer peripheral surface of latch segment is formed is made by 920 inner peripheral surface of thread bush
Firmly, so that latch segment 902 is shunk, so that these latch segments 902 hold air pressure rod ontology A tightly.
As shown in Fig. 3 and Figure 16, the housing tube assembly includes first sleeve 910 and the second casing 911, first sleeve
In described sleeve pipe 901, first sleeve 910 is used for and supporting mechanism (such as caster bracket 80 and seat board 910 end cap
Bracket 70) fixed (such as the fixation for being interference fitted formation).The circumferential surface of casing 901 is equipped with top 904, first sleeve 910
The axial end face of one end is supported with top 904, so that limiting boot 901 moves axially.Second 911 sets of casing is in outer barrel
Be integrally fixed on 100 and with outer barrel 100, after the other end fold inward of the first sleeve 910 with 911 shape of the second casing
At supporting.
(a2), the device for quickly disassembling B of the present embodiment and above-mentioned (a1) the difference is that:
As shown in Figure 17 and Figure 18, the lock sleeve 900 includes opening sleeve 905, and one end of opening sleeve 905 is equipped with axial prolong
Extending portion (not shown), the axially-extending portion and outer tube pack clearance cooperate, and housing tube assembly forms axially-extending portion
Support, to avoid 905 axial displacement of opening sleeve, the aperture of axially-extending portion is greater than the aperture of opening sleeve 905, thus in axial direction
Step is formed between extension and opening sleeve 905, the end of the housing tube assembly is inserted into the inner hole of axially-extending portion simultaneously
It is supported with step, support is formd to opening sleeve 905.The both ends of opening sleeve 905 are all provided with the dress extended on the outside of oriented opening sleeve
With portion 906, department of assembly 906 is equipped with mounting hole.
As shown in figure 18, Quick-dismantle component includes rotatable parts, articulated shaft 924, secure component 925, and rotatable parts have handle
Portion 921 and rotation pressure unit 922, rotation pressure unit 922 are equipped with eccentrically mounted portion 923, and rotation pressure unit 922 is set to handle
The one end in portion 921, the quantity of rotation pressure unit 922 are two, have clearance space between two rotation pressure units 922, partially
Heart mounting portion 923 is the eccentric orfice being set in rotation spinning portion 922.
As shown in figure 18, one end of articulated shaft 924 is articulated with the eccentrically mounted portion 923 of rotation pressure unit 922, articulated shaft
924 one end, which enter between two rotation pressure units 922, to be had in clearance space, using hinge member 927 (such as axis or spiral shell
Bolt) one end of eccentrically mounted portion 923 and articulated shaft 924 is passed through, to make one end and the rotation pressure unit 922 of articulated shaft 924
It is formed hinged.
As shown in figure 18, Quick-dismantle component further includes pressure cap 926, and articulated shaft 924 passes through the mounting hole in department of assembly 906, pressure
One end of cap 926 forms with one of department of assembly 906 and supports；Rotate pressure unit 922 rotate after with another department of assembly 906
The other end is supported, to make the axial movement of pressure cap 926 and articulated shaft 924, and then shrinks lock sleeve 900, final lock sleeve
900 pairs of air pressure rod ontology A lockings.
(b1), as shown in Figure 19 to Figure 21, lockset includes lock sleeve 900, the outer sleeve 930 covered on air pressure rod ontology A,
The outer peripheral surface of lock sleeve 900 is the conical surface, and at least part of the lock sleeve 900 generates air pressure rod ontology A in radial contraction
Lock active force.One end of lock sleeve 900 is equipped with to the flange 900a radially extended.Lock sleeve 900 can be opening sleeve, opening
The opening of set axially extends.
As shown in Figure 19 to Figure 21, outer sleeve 930 is used for and supporting mechanism (such as caster bracket 80 and seat board bracket
70) it is fixedly connected.The inner peripheral surface of outer sleeve 930 is the conical surface, and lock sleeve 900 cooperates in outer sleeve 930.Outside outer sleeve 930
Circumferential surface is equipped with external screw thread 930a.
As shown in Figure 19 to Figure 21, the one end fits of the Quick-dismantle component and lock sleeve 900, Quick-dismantle component is sleeve 940,
The inner peripheral surface of sleeve 940 is equipped with annular groove 940a, the flange 900a and annular groove 940a clearance fit, so that sleeve 940
Opposite lock sleeve 900 can rotate.The inner peripheral surface of sleeve 940 is equipped with internal screw thread 940b, and sleeve 940 passes through internal screw thread
940b is threadedly coupled with the external screw thread 930a formation on outer sleeve 930.
As shown in Figure 19 to Figure 21, rotation Quick-dismantle component Quick-dismantle component driving lock sleeve 900 is axial along air pressure rod ontology A
When mobile, the cooperation of lock sleeve 900 and outer sleeve 930 is so that the locking of lock sleeve 900 or release air pressure rod ontology A.
As shown in Figure 19 to Figure 21, due to flange 900a and annular groove the 940a clearance fit of lock sleeve 900, in addition sleeve
940 are threadedly coupled with outer sleeve 930, and when turnbarrel 940 is when being displaced sleeve 940, sleeve 940 drives 900 edge of lock sleeve
Air pressure rod ontology A axial movement, and lock sleeve 900 and outer sleeve 930 pass through cone match, and then lock sleeve 900 is in axial shifting
It is deformed by the extruding of outer sleeve 930 during dynamic to lock air pressure rod ontology A, or during moving axially and housing
Spacing between cylinder 930 increases and unclamps air pressure rod ontology A.
Claims (10)
1. the air pressure rod quickly assembled and disassembled with chair lift supporting mechanism, including air pressure rod ontology, air pressure rod ontology include:
Outer barrel；
Main shaft, the main shaft in such a way that inside forms gas passage inside tube and outboard tube to be made of；
Piston rod, one end and outer barrel one end with bar are fixed and the bar other end is inserted into the work of inside tube in sliding manner
Plug；
Valve body is combined with one end of main shaft, according to the movement of the valve pin for controlling gas moving direction, come control main shaft with
It axially works centered on piston；
Support member with through-hole, at least part of support member are inserted into outer barrel and fasten with outer barrel；
It is characterized in that, the air pressure rod further includes device for quickly disassembling, which includes:
The lockset being fixed on supporting mechanism is at least provided with the lockset in one end of air pressure rod ontology, to air pressure rod ontology
It is locked or is unclamped in the position being connect with the lockset；
The Quick-dismantle component for making lockset lock or unclamp air pressure rod ontology, the Quick-dismantle component are connect with lockset.
2. air pressure rod according to claim 1, which is characterized in that lockset includes:
The lock sleeve on air pressure rod ontology is covered, at least part of the lock sleeve generates air pressure rod ontology in radial contraction
Lock active force；
Housing tube assembly, outer tube assembly set is on lock sleeve, and one end and the air pressure rod ontology of housing tube assembly are fixed, outer tube
The other end and lock sleeve of component cooperate to limit lock sleeve along air pressure rod ontology and move axially.
3. air pressure rod according to claim 2, which is characterized in that the lock sleeve includes:
Casing；
At least two discrete latch segments, these latch segments are set on the same circumference of casing one end.
4. air pressure rod according to claim 3, which is characterized in that be provided on the circumferential surface of each latch segment along same spiral shell
The screw thread that spin line extends.
5. according to claim 1 to air pressure rod described in one of 4, which is characterized in that the Quick-dismantle component is thread bush.
6. air pressure rod according to claim 2, which is characterized in that the lock sleeve includes:
Opening sleeve, the both ends of opening sleeve are all provided with the department of assembly extended on the outside of oriented opening sleeve, and department of assembly is equipped with mounting hole.
7. the air pressure rod according to claim 2 or 6, which is characterized in that the Quick-dismantle component includes:
Rotatable parts, the rotatable parts have shank and rotation pressure unit, and rotation pressure unit is equipped with eccentrically mounted portion；
Articulated shaft, one end of articulated shaft are articulated with the eccentrically mounted portion of rotation pressure unit；
Secure component, secure component are fixedly connected with the other end of articulated shaft.
8. air pressure rod according to claim 1, which is characterized in that lockset includes:
The lock sleeve on air pressure rod ontology is covered, the outer peripheral surface of lock sleeve is the conical surface, and at least part of the lock sleeve is in radial direction
Locking active force is generated to air pressure rod ontology when contraction；
Outer sleeve, the inner peripheral surface of outer sleeve are the conical surface, and lock sleeve cooperates in outer sleeve；
The one end fits of the Quick-dismantle component and lock sleeve, rotation Quick-dismantle component Quick-dismantle component driving lock sleeve is along air pressure rod sheet
When body moves axially, the cooperation of lock sleeve and outer sleeve is so that locking cover locking or release air pressure rod ontology.
9. air pressure rod according to claim 1, which is characterized in that the air pressure rod ontology further include:
Solid lubricating members, at least part of solid lubricating members is located in the through-hole of support member and support member is to solid
Lubrication assembly forms support, and solid lubricating members are equipped with axial guide hole；
The main shaft other end is in sliding manner along the guide hole axially across solid lubricating members of solid lubricating members.
10. air pressure rod according to claim 9, which is characterized in that axial limiting component, the axial limiting component are set to
One end of support member, axial limiting component and solid lubricating members are supported to form axial limiting to the solid lubricating members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775966.5A CN110403382B (en) | 2019-08-22 | 2019-08-22 | Air pressure bar capable of being quickly assembled and disassembled with lifting chair supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775966.5A CN110403382B (en) | 2019-08-22 | 2019-08-22 | Air pressure bar capable of being quickly assembled and disassembled with lifting chair supporting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110403382A true CN110403382A (en) | 2019-11-05 |
| CN110403382B CN110403382B (en) | 2024-08-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910775966.5A Active CN110403382B (en) | 2019-08-22 | 2019-08-22 | Air pressure bar capable of being quickly assembled and disassembled with lifting chair supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110403382B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205799A (en) * | 2020-10-15 | 2021-01-12 | 青岛泽昊汽车配件有限公司 | Novel air pressure rod |
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| CN112205799A (en) * | 2020-10-15 | 2021-01-12 | 青岛泽昊汽车配件有限公司 | Novel air pressure rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110403382B (en) | 2024-08-16 |
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