CN109330185A - A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source - Google Patents
A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source Download PDFInfo
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- CN109330185A CN109330185A CN201811508002.6A CN201811508002A CN109330185A CN 109330185 A CN109330185 A CN 109330185A CN 201811508002 A CN201811508002 A CN 201811508002A CN 109330185 A CN109330185 A CN 109330185A
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- hydraulic cylinder
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- desktop
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- 230000007246 mechanism Effects 0.000 claims description 66
- 239000007788 liquid Substances 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 23
- 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 21
- 238000003825 pressing Methods 0.000 claims description 20
- 230000003028 elevating effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 18
- 230000001360 synchronised effect Effects 0.000 description 10
- 230000007423 decrease Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 210000002683 foot Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- 239000003921 oil Substances 0.000 description 2
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- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 210000000452 mid-foot Anatomy 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
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/10—Tables with tops of variable height with vertically-acting fluid cylinder
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
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- Fluid-Pressure Circuits (AREA)
Abstract
A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop (1), the at least two power source legs (3) servo-actuated as driving lifting leg using the lifting leg (2) of hydraulic-driven and one, the lifting leg (2) is made of hydraulic cylinder and piston rod, the rod chamber of first hydraulic cylinder is connected with the rodless cavity of second hydraulic cylinder, the rod chamber of second hydraulic cylinder is connected with the rodless cavity of third hydraulic cylinder, the rod chamber of third hydraulic cylinder is connected with the rodless cavity of the 4th hydraulic cylinder, and so on, the rod chamber of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder.Desktop (1) is driven to rise or fall when power source leg (3) rises or falls, desktop (1) rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, and rises or falls to realize that each lifting leg (2) synchronizes.The configuration of the present invention is simple, at low cost, easily manufactured, more table leg synchronization lifting performances are good.
Description
Technical field
The present invention relates to a kind of furniture, especially a kind of desk that can be gone up and down, specifically a kind of single power source liquid
Press auxiliary dynamic synchronization lifting table.
Background technique
It will use various desks when people's office and study, common conventional tables are used for a long time and are seated office and learnt
It is easy to cause cervical vertebra, lumbar vertebra disease and other diseases in journey, and being suitably changed to stand often can be with using the posture of desk
It is effectively prevent the generation of cervical spondylosis, lumbar vertebra disease etc., scientific investigations showed that, the harmfulness of sitting is hurt caused by even greater than smoking
Evil, and office of adhering to standing for a long time can additionally consume a certain amount of calorie maintains stature and weight and to help body complete
Face health.Existing lifting desk designs various hand, double or even more motors to be suitble to the user of different building shape height
Motorized adjustment height and single, double gas (liquid) move telescopic rod or single, double gas (machinery) drawing-pressing spring mechanism adjusts the office of height
Table.Hand lifting uses mechanical gear transmission principle, and the hand shaken handle for fully relying on people is driven by gear structure to be promoted
Desktop and load, feel is heavy when desktop rises, the situation that overload easily causes commonly used person not to be available, and is used for a long time
Easily rocker arm is caused to deform because stress is larger, the devices such as transmission gear damage, service life is not grown；And double or even more motor electricity
The dynamic desk for adjusting height, need to be mounted so that mostly set motor and electrical and mechanical drive system, double or even more motor powereds
It adjusts when height uses to keep each motor synchronous, also needs a mating multi-motor synchronous control device, so noise is larger,
And high failure rate, when use, are also necessarily required to use in the region for having power outlet, region is limited and can not move freely, and double
Even more motors and mechanical drive system price be not human-oriented, and making double or even more motor powereds liftings desk is unpopular can not be big
Area is promoted；Single, double gas (liquid) moves telescopic rod or single, double gas (machinery) drawing-pressing spring mechanism adjusts the desk of height, is not necessarily to
Power supply, manpower can operate lifting, environmentally protective, and using area is unrestricted to can move freely office, but single, double gas (liquid) is moved and stretched
Contracting bar or single, double gas (machinery) drawing-pressing spring mechanism adjust the desk of height only in desktop midfoot support one single gas (liquid)
Dynamic telescopic rod or single gas (machinery) drawing-pressing spring mechanism pillar, there are desk bodies to install jiggly problem, increases the behaviour of user
Make difficulty；Double gas (liquid) in the market, which move telescopic rod or the desk of double gas (machinery) drawing-pressing spring mechanism adjusting height, will appear
The problem that telescopic rod or gas (machinery) drawing-pressing spring synchronization telescope and load unevenness are moved because that can not coordinate two gas (liquid), leads to table
, there is card resistance phenomenon, also without good user experience in face inclination.
Summary of the invention
The purpose of the present invention is there are each liftings for the lifting desk for existing two or more single-column support constructions
Though leg synchronizes difficult or is able to achieve synchronization lifting but the problem that structure is complicated, manufacturing cost is high, it is simple to design a kind of structure, synchronous
The hydraulic auxiliary dynamic synchronization lifting table of single power source easily based on hydraulic principle.
Technical solution of the present invention first is that:
A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop 1, at least two liters with hydraulic-driven
Leg (2) and a power source leg 3 servo-actuated as driving lifting leg drop, and the lifting leg 2 is made of hydraulic cylinder and piston rod,
The rod chamber of first hydraulic cylinder is connected with the rodless cavity of second hydraulic cylinder, the rod chamber and third of second hydraulic cylinder
The rodless cavity of hydraulic cylinder is connected, and the rod chamber of third hydraulic cylinder is connected with the rodless cavity of the 4th hydraulic cylinder, with such
It pushes away, the rod chamber of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；When power source leg (3) rises or falls
When drive desktop 1 to rise or fall, desktop 1 rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, to realize
Each lifting leg 2, which synchronizes, to be risen or fallen.
The equidirectional installation of the hydraulic cylinder 17 is mounted on 1 lower part of desktop by the order of a positive and a negative.
When the described hydraulic cylinder formal dress, rear end is connected with desktop 1, and piston rod is connected with pedestal 4.
The rear end of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1, and piston rod is connected with pedestal 4.
The hydraulic cylinder is anti-when filling, and piston rod is connected with desktop 1, and rear end is connected with pedestal 4.
The rear end of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1.
The side of the lifting leg 2 is mounted on power source leg 3 to realize the lifting of any position control lifting leg.
The power source leg 3 is individual wind elevating mechanism, pedal type lifting mechanism, manual machine power transmission machine
Structure, an individual motor elevating mechanism or motor force transmission mechanism, an individual electric hydraulic pump (hydraulic motor) or manpower
Hydraulic pump (hydraulic motor) mechanism, an individual gas (liquid) move telescopic rod or gas (machinery) drawing-pressing spring mechanism or the machine
The combination of structure.
It is connected between the rod chamber of one hydraulic cylinder and the rodless cavity of another hydraulic cylinder by hydraulic hose.
Medium in the hydraulic cylinder is pure water, the pure water added with anti-icing fluid or automotive antifreezing liquid and various hydraulic
The liquid mediums such as oil.The preferred pneumatic spring of the single power source.
The present invention can also save the power source leg 3, with an individual electric hydraulic pump (hydraulic motor) or manpower
Hydraulic pump (hydraulic motor) is simultaneously equipped with reversal valve or shut-off valve directly drives piston rod and moves in hydraulic cylinder to realize desktop
Lifting.
Technical solution of the present invention second is that:
A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop 1, at least two liters with hydraulic-driven
Leg 2 and a power source leg 3 servo-actuated as driving lifting leg drop, and the lifting leg 2 is made of hydraulic cylinder and piston rod, the
The rod chamber of one hydraulic cylinder is connected with the rod chamber of second hydraulic cylinder, the rodless cavity and third liquid of second hydraulic cylinder
The rodless cavity of cylinder pressure is connected, and the rod chamber of third hydraulic cylinder is connected with the rod chamber of the 4th hydraulic cylinder, and so on,
The rodless cavity of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；And each hydraulic cylinder is by positive and negative, positive and negative
Order installation；Desktop 1 is driven to rise or fall when power source leg 3 rises or falls, desktop 1 rises or the drive of lower liter is each hydraulic
The piston rod of cylinder elongates or shortens, and rises or falls to realize that each lifting leg 2 synchronizes.
The hydraulic cylinder 17 is mounted on 1 lower part of desktop by the order of a positive and a negative.
When hydraulic cylinder formal dress (rear end is upward, and tailpiece of the piston rod is downward), each hydraulic cylinder 17 is directly or by transiting rod
14 are fixed on pedestal 4, and piston rod 16 is connected with the one end for the connection sleeve 15 being sleeved on hydraulic cylinder, connect the another of sleeve 15
One end is fixedly linked with desktop 1.
When the described hydraulic cylinder formal dress, piston rod is connected with desktop 1, and hydraulic cylinder 17 is connected with pedestal 4.
The piston rod of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1, and hydraulic cylinder 17 is connected with pedestal 4.
The hydraulic cylinder is anti-when filling, and piston rod is connected with desktop 1, and rear end is connected with pedestal 4.
The piston rod of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1, and rear end is connected with pedestal 4.
The side of the lifting leg 2 is mounted on power source leg 3 to realize the lifting of any position control lifting leg.
The power source leg 3 is individual wind elevating mechanism, pedal type lifting mechanism, manual machine power transmission machine
Structure, an individual motor elevating mechanism or motor force transmission mechanism, an individual electric hydraulic pump (hydraulic motor) or manpower
Hydraulic pump (hydraulic motor) mechanism, an individual gas (liquid) move telescopic rod or gas (machinery) drawing-pressing spring mechanism or the machine
The combination of structure
It is connected between each chamber of one hydraulic cylinder and each chamber of another hydraulic cylinder by hydraulic hose.
Medium in the hydraulic cylinder is pure water, the pure water added with anti-icing fluid or automotive antifreezing liquid and various hydraulic
The liquid mediums such as oil.The preferred pneumatic spring of the single power source.
The present invention can also save the power source leg 3, with an individual electric hydraulic pump (hydraulic motor) or manpower
Hydraulic pump (hydraulic motor) is simultaneously equipped with reversal valve or shut-off valve directly drives piston rod and moves in hydraulic cylinder to realize desktop
Lifting.
Beneficial effects of the present invention:
Since hydraulicdriven efficient and stability, hydraulic drive can conduct even higher than 99% or more power, as long as placing
Two identical hydraulic cylinders, two hydraulic cylinders are docked completely by hydraulic tube, can also synchronize conduction even higher than 99% with
On displacement.Such power conduction efficiency and displacement efficiency fully meet the demand of routine office work and study.
According to this characteristic, (only need a power source leg lifting that can drive all liters when work with single power source leg
Leg synchronization lifting is dropped to the height set) it is used as power source, pass through the fluid pressure linkage part of 2 or multiple hydraulic cylinders composition
It realizes that two even more than two lifting legs do the same amount displacement movement of identical strength in the same direction simultaneously, thoroughly solves single list
Power source cannot make all feets synchronous and multiple power sources are easy to produce to interfere and cause system uncoordinated or even card resistance is asked
Topic is not in desktop inclination, card resistance phenomenon when all feets load uneven, with easy to operate, bearing capacity is big, synchronism
Good, reaction speed is fast, stable and reliable for performance, does not cause the desktop in lifting process to tilt because weight is placed on desk one end,
There is good user experience.Flexible hydraulic pressure pipe can be used in hydraulic conduction system simultaneously, meets desk in the displacement raised and reduced
In displacement request without damaging, and due to the characteristic of hydraulic tube flexible concertina, same covering device can satisfy different sizes
Desktop office Desk system use
Common hydraulic system has efficient stable, and structure is simple, cheap, the permanent feature of service life, general machine
Tool hydraulic system work normally daily 8 hours one day sweeping actions be even up to it is thousands of time, the life-cycle commonly reach ten it is tens of thousands of very
It moves back and forth to hundreds of thousands time, by daily 30 liftings of normal lifting desk using calculating, can be reached under regular service conditions
To even more than 10 years service life used above, moreover the ordinary tap water that antifreezing agent slightly can be used is situated between as hydraulic conduction
Matter, environmentally protective, drawing materials, it is cheap to facilitate, easy to maintain.
Using an individual wind elevating mechanism, pedal type lifting mechanism or manual machine force transmission mechanism as power
Source only need to set an individual wind elevating mechanism, pedal type lifting mechanism or manual machine force transmission mechanism, then plus one group by
The fluid pressure linkage part of 2 or multiple hydraulic cylinders composition, lifting more hand than common tradition are transferred to each table using mechanical gear
The mechanism of foot is simple and efficient, cheap easy to install and use, reliable transmission, long service life.
Using an individual motor elevating mechanism or motor force transmission mechanism as power source, a set of motor elevator is only needed
Structure or motor force transmission mechanism system, then plus one group of fluid pressure linkage part being made of 2 or multiple hydraulic cylinders, completely abolished mostly electric
Machine isochronous controller and remaining motor, circuit is simple and reliable, and there are many cost decline, and noise is reduced, and failure rate is low, securely and reliably.
Power source is used as using an individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor), only
Need a set of electric hydraulic pump (hydraulic motor) or Manual hydraulic to pump (hydraulic motor) system, then plus one group by 2 or multiple hydraulic
The fluid pressure linkage part of cylinder composition, system is small and exquisite, and compact-sized, noise is small, and transmission efficiency is higher than purely mechanic transmission efficiency, energy consumption
It is small, it can be placed on any position, be driven convenient and reliable, mating one synchronous start and stop reversal valve or shut-off valve, it can arbitrarily up and down
Desktop and locking desktop position are motionless.
Telescopic rod or gas (machinery) drawing-pressing spring mechanism are moved as power source using an individual gas (liquid), then plus one group
The fluid pressure linkage part being made of 2 or multiple hydraulic cylinders, low cost, structure is simple, and moving component is few and safe and reliable, and movement is single
One and efficiently, carry self-lock switch (18), can stop at an arbitrary position and lock, long service life, do not have to external power supply, it is green
Colour circle is protected, conveniently moving.
In addition, can even add the system of solar panels to solve using battery energy storage must be outer when using being driven by electricity
It is connected to line power issue, solar panel can be set on the table, by daylight even indoor light source accumulation of energy, because after all daily
The number of lifting is also few, consumes energy limited.
The configuration of the present invention is simple, at low cost, easily manufactured, synchronization lifting performance is good.
Detailed description of the invention
Fig. 1 is that the present invention uses gas (liquid) to move the table of telescopic rod or gas (machinery) drawing-pressing spring mechanism as power source leg when
Face declines status diagram.
Fig. 2 is that the present invention uses gas (liquid) to move the table of telescopic rod or gas (machinery) drawing-pressing spring mechanism as power source leg when
Face raised configuration schematic diagram.
Fig. 3 is that the present invention is made using individual wind elevating mechanism, pedal lifting mechanism or manual machine force transmission mechanism
Desktop when for power source leg declines status diagram.
Fig. 4 is that the present invention is made using individual wind elevating mechanism, pedal lifting mechanism or manual machine force transmission mechanism
Desktop raised configuration schematic diagram when for power source leg.
Fig. 5 is that the present invention uses under the desktop of individual motor elevating mechanism or motor force transmission mechanism as power source leg when
Status diagram drops.
Fig. 6 is that the present invention uses the desktop liter of individual motor elevating mechanism or motor force transmission mechanism as power source leg when
Play status diagram.
Fig. 7 is that the present invention uses individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor) as dynamic
The desktop when leg of power source declines status diagram.
Fig. 8 is that the present invention uses individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor) as dynamic
Desktop raised configuration schematic diagram when the leg of power source.
Fig. 9 is hydraulic original when two hydraulic cylinder mistake chambers of the present invention connected (when rod chamber is connected with rodless cavity) are installed in the same direction
Reason figure.
Figure 10 is hydraulic when multiple hydraulic cylinders mistake chamber of the present invention connected (when rod chamber is connected with rodless cavity) is installed in the same direction
Schematic diagram.
Figure 11 is hydraulic when two hydraulic cylinder mistake chambers of the present invention connected (when rod chamber is connected with rodless cavity) are reversely installed
Schematic diagram.
Figure 12 is the liquid that multiple hydraulic cylinders mistake chamber of the invention is connected when being staggered installation of (when rod chamber is connected with rodless cavity)
Press schematic diagram.
Be connected when Figure 13 is two hydraulic cylinders of the invention positive and negative dress with chamber (rod chamber is connected with rod chamber, rodless cavity and
Rodless cavity be connected) structural schematic diagram (propradation).
Be connected when Figure 14 is two hydraulic cylinders of the invention positive and negative dress with chamber (rod chamber is connected with rod chamber, rodless cavity and
Rodless cavity is connected) structural schematic diagram (decline state).
Working principle diagram when Figure 15 is the forward and reverse installation of two hydraulic cylinders of the invention and is connected with chamber.
Figure 16 is the forward and reverse installation of multiple hydraulic cylinders of the present invention and is connected that (rod chamber is connected with rod chamber, no bar with chamber
Chamber is connected with rodless cavity) when hydraulic schematic diagram.
In figure: 19 be electric up-down control switch.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment one.
As shown in Fig. 1,2,9-12.
A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it includes desktop 1, the two lifting leg 2, one with hydraulic-driven
Item moves telescopic rod or gas (machinery) drawing-pressing spring mechanism 7 the power source leg 3 and pedestal servo-actuated as driving lifting leg 2 using gas (liquid)
4, as shown in Figure 1, 2, the lifting leg 2 is made of hydraulic cylinder and piston rod, and the rod chamber of first hydraulic cylinder passes through flexibility
Hydraulic tube 6 is connected with the rodless cavity of second hydraulic cylinder, and the rod chamber of second hydraulic cylinder passes through flexible hydraulic pressure pipe 6 and first
The rodless cavity of a hydraulic cylinder is connected；Desktop 1 is driven to rise or fall when power source leg 3 rises (Fig. 2) or decline (Fig. 1),
Desktop 1 rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, thus realize the synchronous rising of each lifting leg 2 or under
Drop.Its schematic diagram as shown in Fig. 9,11, using Fig. 9 schematic diagram when, the rear end of two hydraulic cylinders is each attached on pedestal 4,
The end of two piston rods passes through a lengthening fupport arm 5 and 1 stationary phase of desktop；The rear end of two hydraulic cylinders can also be used
It is fixed on desktop 1 by lengthening fupport arm 5, the end of two piston rods is fixed on pedestal 1.The another schematic diagram for using Figure 11
When, the rear end of a hydraulic cylinder is fixed on pedestal 4, and the rear end of another hydraulic cylinder is fixed on table by lengthening fupport arm 5
On face 1.
When it is implemented, in order to easy to operate, or each lifting leg 2 matches a power source leg 3, in this way can be in office
The operation of desktop lifting is realized at one lifting leg position.The pure water of pure water plus anti-icing fluid can be used in carrier used in hydraulic cylinder
Or the liquid mediums such as automotive antifreezing liquid and various hydraulic oil.
When the length of desktop is longer or drives turning structure, can be adopted when three or more lifting legs being needed to be supported
Each hydraulic cylinder is attached with the principle of Figure 10,12 or 16, telescopic rod or gas (machine can also be moved by a gas (liquid) at this time
Tool) drawing-pressing spring mechanism goes up and down the synchronization lifting for realizing each lifting leg, if desktop has two pieces of composition described above, and to adjust every
When the different OQ t height of block desktop, increase can be used or reduce the volume for supporting the hydraulic cylinder of corresponding desktop, change work
The measures such as stopper rod length are realized
Embodiment one:
When as shown in Figure 1, 2, using the hydraulic pressure cylinder assembly of same size, piston rod is fixedly linked with pedestal 4 in figure, hydraulic cylinder without
Rod end is connected by lengthening fupport arm 5 with desktop 1, and the gas (liquid) of the power source leg 3 as single power source moves telescopic rod or gas (machine
Tool) drawing-pressing spring mechanism is mounted on (or left side) on the right side of desktop, and when needing desktop to rise, passes through and open gas (liquid) and move telescopic rod
Or gas (machinery) drawing-pressing spring mechanism locking switch 18, strength F1 is generated, gas (liquid) is made to move telescopic rod or gas (machinery) tension and compression bullet
Liter is stretched by spring mechanism, drives right side desktop that right side (or left side) piston cylinder is driven to move up while rising, at this point, right side
The rod chamber volume of (left side) hydraulic cylinder becomes smaller, extra hydraulic medium by flexible hydraulic pressure pipe 6 squeeze into left side (right side) it is hydraulic
The rodless cavity of cylinder, rodless cavity pressure increase force piston rod to move down, since piston rod is fixed, to force left side liquid
Cylinder pressure moves up, and the hydraulic medium in the rod chamber of left side (right side) hydraulic cylinder flows to right side (left side) under pressure
The rodless cavity of hydraulic cylinder, due to the conduction of hydraulic medium, left and right hydraulic cylinder synchronous rises, acceptable model of the error 1%
In enclosing.State after rising is as shown in Fig. 2, gas (liquid) moves telescopic rod or gas (machinery) drawing-pressing spring mechanism is in locking shape
State.When needing desktop to decline, solution degasification (liquid) moves the locking switch 18 of telescopic rod or gas (machinery) drawing-pressing spring mechanism, due to
Gas (liquid) moves telescopic rod or gas (machinery) drawing-pressing spring mechanism loses supporting role, in gravity and artificial lower pressure force F2 effect
Under, desktop forces right side (left side) hydraulic cylinder to move down, rodless cavity volume-diminished, and it is (right that the hydraulic medium in rodless cavity flows into left side
Side) hydraulic cylinder rod chamber force left side (right side) piston rod move up, since left side (right side) piston rod is fixed, to force
Left side (right side) hydraulic cylinder synchronous moves down, and realizes the synchronous decline of desktop, and at the same time, the hydraulic medium in the rodless cavity of left side is logical
Piping flows into the rod chamber of left side as supplement, until falling into place, as shown in Fig. 2, if height of table top is because of gravity and gas
(liquid) move telescopic rod or gas (machinery) drawing-pressing spring mechanism pressure balance cannot drop to required height, can also by manually under
The method in face of presenting a theatrical performance as the last item on a programme makes desktop be further lowered into extreme position.
Embodiment two:
As shown in Figure 3,4.
The difference between this embodiment and the first embodiment lies in the power source leg 3 as the driving lifting lifting of leg 2 is using list
Only wind elevating mechanism, pedal lifting mechanism or manual machine force transmission mechanism 8, joystick elevating mechanism, pedal lifting machine
Structure or manual machine force transmission mechanism 8 can be used identical as the structure used in existing same table.Remaining is the same as example 1.
Embodiment three:
As seen in figs. 5-6.
The difference between this embodiment and the first embodiment lies in the power source leg 3 as the driving lifting lifting of leg 2 is using list
It is used in only motor elevating mechanism or motor force transmission mechanism 9, motor elevating mechanism or motor force transmission mechanism 9 and existing same table
Structure it is identical, be all made of motor 10 as power source.Remaining is the same as example 1.
Example IV:
As Figure 7-8.
The difference between this embodiment and the first embodiment lies in eliminating the power source leg 3 that driving lifting leg 2 is gone up and down, directly adopt
Individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor) 11 are simultaneously equipped with reversal valve or shut-off valve 12 directly
Piston rod in driving hydraulic cylinder rises or falls, and power switch 13 is mountable on front side of desktop or side.Remaining embodiment one
It is identical.
Embodiment five:
As shown in figures 13-16.
A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it includes desktop 1, at least two lifting legs with hydraulic-driven
2 and a power source leg 3 servo-actuated as driving lifting leg 2, power source leg 3 either can be used in embodiment one to four
Formula, the lifting leg 2 are made of hydraulic cylinder and piston rod, and the rod chamber of first hydraulic cylinder and second hydraulic cylinder have bar
Chamber is connected, and the rodless cavity of second hydraulic cylinder is connected with the rodless cavity of third hydraulic cylinder, and third hydraulic cylinder has bar
Chamber is connected with the rod chamber of the 4th hydraulic cylinder, and so on, the rodless cavity of the last one hydraulic cylinder and first hydraulic cylinder
Rodless cavity be connected；And each hydraulic cylinder installs (such as Figure 16) by positive and negative, positive and negative order；When power source leg 3 rise or under
Desktop 1 is driven to rise or fall when drop, desktop 1 rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, thus real
Now each lifting leg 2, which synchronizes, rises or falls.In order to realize that rod chamber is connected with rod chamber, rodless cavity is connected with no chamber bar, it is each just
The hydraulic cylinder (rear end is upward, and tailpiece of the piston rod is downward) of dress is intended to realize that two or more lifting legs 2 are same by an auxiliary body
Moved further, the specific structures of the two lifting legs designed with the principle of Figure 15 as shown in Figure 13,14, Figure 13, in 14 except left side
Lifting leg 2 is fixed on pedestal 4 with the hydraulic cylinder that power source leg 3 goes up and down the lifting leg 2 on the right side of forming outside by transiting rod 14,
Piston rod 16 is connected with the one end for the connection sleeve 15 being sleeved on hydraulic cylinder 17, and the other end and the desktop 1 for connecting sleeve 15 are solid
It is fixed to be connected.From Figure 13 and 14 it is found that the hydraulic cylinder of the left and right sides using a positive and a negative to by the way of installation.
When needing to be increased to the state on the right side of Figure 13 from the state on the left of Figure 13, power source leg 3, which rises, drives left side
Piston rod 16 rises, and the hydraulic medium in rod chamber is pressed against in the rod chamber of right side hydraulic cylinder, forces piston rod 16 to moving up
Dynamic, piston rod 16 drives connection sleeve 15 to move up to push desktop is synchronous to rise, when decline, from Figure 14 the second from left face angle
It is exactly the opposite when state on the right side of state to Figure 14.Its principle is as shown in figure 15.
Embodiment six.
As shown in figure 16.
The difference of the present embodiment and embodiment five is the hydraulic cylinder for having multiple a positive and a negative installations, principle such as Figure 16 institute
Show.
Embodiment seven.
As shown in Figure 10,12.
The difference between this embodiment and the first embodiment lies in driving a plurality of lifting leg synchronization lifting, Figure 10 using multiple hydraulic cylinders
Using the equidirectional installation of multiple hydraulic cylinders, Figure 12 is using the forward and reverse installation of multiple hydraulic cylinders.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (10)
1. a kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop (1), at least two with hydraulic-driven
Lifting leg (2) and a power source leg (3) servo-actuated as driving lifting leg, the lifting leg (2) is by hydraulic cylinder and work
Stopper rod composition, the rod chamber of first hydraulic cylinder is connected with the rodless cavity of second hydraulic cylinder, and second hydraulic cylinder has bar
Chamber is connected with the rodless cavity of third hydraulic cylinder, and the rod chamber of third hydraulic cylinder is connected with the rodless cavity of the 4th hydraulic cylinder
It is logical, and so on, the rod chamber of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；When power source leg (3)
When rising or falling drive desktop (1) rise or fall, desktop (1) rise or fall drives each hydraulic cylinder piston rod elongation or
Shorten, is risen or fallen to realize that each lifting leg (2) synchronizes.
2. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, it is characterized in that the hydraulic cylinder Tongfang
Desktop (1) lower part is mounted on to installation or by the order of a positive and a negative.
3. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, it is characterized in that the hydraulic cylinder formal dress
When (rear end is upward, and tailpiece of the piston rod is downward), rear end is connected with desktop (1), and piston rod is connected with pedestal (4).
4. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 3, it is characterized in that the nothing of the hydraulic cylinder
Rod end is connected by lengthening fupport arm (5) with desktop (1), and piston rod is connected with pedestal (4).
5. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, fills it is characterized in that the hydraulic cylinder is counter
When (rear end is downward, and tailpiece of the piston rod is upward), piston rod is connected with desktop (1), and rear end is connected with pedestal (4)；It is described
Hydraulic cylinder piston rod by lengthen fupport arm (5) be connected with desktop (1), rear end is connected with pedestal (4).
6. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, it is characterized in that the lifting leg (2)
Side is mounted on power source leg (3) to realize the lifting of any position control lifting leg.
7. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1 or 6, it is characterized in that the power source leg
It (3) is individual wind elevating mechanism, pedal type lifting mechanism, manual machine force transmission mechanism, an individual motor lifting
Mechanism or motor force transmission mechanism, an individual gas (liquid) move expansion link mechanism or individual gas (machinery) drawing-pressing spring
The combination of mechanism or the mechanism；By hydraulic soft between the rod chamber of one hydraulic cylinder and the rodless cavity of another hydraulic cylinder
Pipe is connected；Medium in the hydraulic cylinder is pure water, the pure water added with anti-icing fluid, automotive antifreezing liquid or hydraulic oil；It saves
The power source leg (3) is removed, pumps (hydraulic motor) simultaneously with an individual electric hydraulic pump (hydraulic motor) or Manual hydraulic
It is equipped with reversal valve or shut-off valve directly drives piston rod and moves in hydraulic cylinder.
8. a kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop (1), at least two with hydraulic-driven
Lifting leg (2) and a power source leg (3) servo-actuated as driving lifting leg, the lifting leg (2) is by hydraulic cylinder and work
Stopper rod composition, the rod chamber of first hydraulic cylinder is connected with the rod chamber of second hydraulic cylinder, second hydraulic cylinder without bar
Chamber is connected with the rodless cavity of third hydraulic cylinder, and the rod chamber of third hydraulic cylinder is connected with the rod chamber of the 4th hydraulic cylinder
It is logical, and so on, the rodless cavity of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；And each hydraulic cylinder is pressed
Positive and negative, positive and negative order installation；Desktop (1) is driven to rise or fall when power source leg (3) rises or falls, desktop (1)
Rise or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, is risen or fallen to realize that each lifting leg (2) synchronizes.
9. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 11, it is characterized in that the hydraulic cylinder formal dress
When (rear end is upward, and tailpiece of the piston rod is downward), each hydraulic cylinder (17) is fixed on pedestal (4) directly or by transiting rod (14),
Piston rod (16) is connected with the one end for the connection sleeve (15) being sleeved on hydraulic cylinder, connects the other end and desktop of sleeve (15)
(1) it is fixedly linked.
10. according to claim 1 or the hydraulic auxiliary dynamic synchronization lifting table of single power source described in 11, it is characterized in that being gone up and down as driving
The servo-actuated power source leg (3) of leg (2), can be provided separately be servo-actuated lifting leg (2) and also may be used as two individual table legs
An individual table leg system is set as to merge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811508002.6A CN109330185A (en) | 2018-12-11 | 2018-12-11 | A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811508002.6A CN109330185A (en) | 2018-12-11 | 2018-12-11 | A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source |
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| CN201811508002.6A Pending CN109330185A (en) | 2018-12-11 | 2018-12-11 | A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757856A (en) * | 2019-03-12 | 2019-05-17 | 乔彬 | A kind of synchronization lifting table of gas spring driving |
| WO2021008584A1 (en) * | 2019-07-18 | 2021-01-21 | 乔彬 | Gas spring principle-based linked synchronous liftable table having external gas storage cylinder or tank |
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| US5320047A (en) * | 1992-03-06 | 1994-06-14 | Monarch Hydraulics, Inc. | Desk having self-releveling height adjustment and hydraulic circuit therefor |
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| CN109757856A (en) * | 2019-03-12 | 2019-05-17 | 乔彬 | A kind of synchronization lifting table of gas spring driving |
| WO2021008584A1 (en) * | 2019-07-18 | 2021-01-21 | 乔彬 | Gas spring principle-based linked synchronous liftable table having external gas storage cylinder or tank |
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