CN107183969B - A kind of desk of adjustable stability - Google Patents

A kind of desk of adjustable stability Download PDF

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Publication number
CN107183969B
CN107183969B CN201710539638.6A CN201710539638A CN107183969B CN 107183969 B CN107183969 B CN 107183969B CN 201710539638 A CN201710539638 A CN 201710539638A CN 107183969 B CN107183969 B CN 107183969B
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CN
China
Prior art keywords
hydraulic
block
hole
intermediate tube
shell
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Expired - Fee Related
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CN201710539638.6A
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Chinese (zh)
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CN107183969A (en
Inventor
方亚琴
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Yongkang Xiangying Teaching Equipment Co ltd
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Yongkang Xiangying Teaching Equipment Co Ltd
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Priority to CN201710539638.6A priority Critical patent/CN107183969B/en
Priority to CN201811411621.3A priority patent/CN109330239A/en
Publication of CN107183969A publication Critical patent/CN107183969A/en
Application granted granted Critical
Publication of CN107183969B publication Critical patent/CN107183969B/en
Expired - Fee Related legal-status Critical Current
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00Feet for furniture in general
    • A47B91/16Self-levelling legs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B7/00Tables of rigid construction
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00Feet for furniture in general
    • A47B91/02Adjustable feet

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  • Legs For Furniture In General (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

The invention belongs to desk technical fields, more particularly to a kind of desk of adjustable stability, it includes table leg, driving device, round hole, desktop, hydraulic case, connecting rod, gag lever post, hydraulic plate, the first spring, the first square hole, the second square hole, limited block, second spring, pushes away column, hydraulic cavities, when the desk that people are designed using the present invention;When ground locating for table leg stays in use;Corresponding intermediate tube will move down under the action of third spring in table leg;Corresponding three fixture blocks are driven to move down while mobile;After intermediate tube mobile one end distance;The upper surface of three fixture blocks will be moved on the downside of three limited blocks;And intermediate tube can upward intermediate tube after contact for the intermediate tube in ground and table leg;So that intermediate tube moves up;Intermediate tube, which moves up, drives fixture block to move up;The upper surface of fixture block can be with the contact of similar limited block in moving process;So that desk is in equilibrium state.

Description

A kind of desk of adjustable stability
Technical field
The invention belongs to desk technical field more particularly to a kind of desks of adjustable stability.
Background technique
It is often fixed installation between desk desktop and table leg used at present;When long-time using after table leg be worn and make Obtaining just will appear gap between table leg and ground;Cause desk unstable;And the ground locating for the desk is when collapsing;Table leg Also it can stay;So that desk disequilibrium;Influence the normal use of people;It can be by oneself adjustment so designing one kind Desk be necessary.
The desk that the present invention designs a kind of adjustable stability solves the problems, such as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of desk of adjustable stability, it is to use Following technical scheme is realized.
It is a kind of automatically adjust stability desk, it is characterised in that: it include table leg, driving device, round hole, desktop, First square breach, the second square hole, limited block, second spring, movable plate, connection shell, rotation axis, rotating shaft support, the first tooth Wheel, rack gear, wherein there are four table legs for installation in four on the downside of desktop corner;A circle is provided on the lower end surface of four table legs Shape hole;The inner wall of four round holes is circumferentially equably provided with three group of second square hole;Each second party in three group of second square hole A limited block is mounted in shape hole;Second bullet is mounted between each limited block and corresponding second square hole Spring;First square breach are provided on inner wall on the downside of four round holes;In round hole on the lower end surface of four table legs It is mounted on a driving device;A connection shell is separately installed between two adjacent table legs;Pacified in four connection shells Assembling structure is identical;A movable plate is separately installed between two adjacent driving devices;Two rack gears are separately mounted to The upper end of movable plate two sides;Rotation axis is mounted in connection shell by rotating shaft support;Two first gears are separately mounted to rotate The two sides of axis;Two first gears are engaged with two rack gears respectively.
Above-mentioned driving device include intermediate tube, cylinder weight shell, hydraulic damping shell, spacing breach, sliding groove, third spring, Avoid notch, fixture block, fixture block groove, frizzen, the 4th spring, sliding shoe, gib block, pushing block, guide block, guide groove, hydraulic ring flat-plate, Hydraulic pull ring, the first hydraulic hole, guide groove, the second hydraulic hole wherein lead between the upper end of intermediate tube and the upper surface of round hole Cross the connection of third spring;Fixture block groove there are three circumferentially equably being opened on the periphery of intermediate tube;It is provided on the periphery of intermediate tube Two evacuation notches, and two evacuation notches are located on the downside of three fixture block grooves, at 90 degree of angles between two evacuation notches;Two A evacuation notch cooperates with corresponding two movable plates respectively;Three fixture blocks pass through respectively to be sold on corresponding pin and fixture block Hole is fitted in three fixture block grooves;A leaf spring is mounted between the side and intermediate tube inner headed face of three fixture blocks; Three fixture blocks cooperate with three groups of limited blocks respectively;Cylinder weight shell is divided into the different two parts of diameter, and major diameter part and small straight Even transition between path portion;Sliding groove is provided on the periphery of major diameter part one end on cylinder weight shell;Sliding groove two sides pair Guide groove there are two opening with claiming;Cylinder weight shell on major diameter portion be separated by the periphery of sliding groove one end be provided with triangle limit lack Mouthful;It is connected between the upper surface of cylinder weight shell and the upper surface of round hole by the 4th spring;The major diameter part of cylinder weight shell Cooperate with three fixture blocks;There is arc surface on sliding shoe;Sliding shoe has guide groove;The two sides of sliding shoe are symmetrically equipped with two A guide block;Sliding shoe is fitted in sliding groove by two guide blocks and two guide grooves;The upper end of frizzen is mounted on circle On the upper surface in shape hole;Gib block is mounted on frizzen;Gib block and guide groove cooperate;Pushing block is mounted under frizzen End;Arc surface on pushing block and sliding shoe cooperates.
The both ends of above-mentioned movable plate are each passed through corresponding evacuation notch, the first square breach and corresponding cylinder weight Shell connection.
As the further improvement of this technology, above-mentioned hydraulic damping shell is mounted on the inner wall of round hole upper end;Hydraulic resistance A first hydraulic hole and a second hydraulic hole are had in the upper and lower end faces of Buddhist nun's shell;Hydraulic ring flat-plate is mounted on hydraulic resistance On the inside of Buddhist nun's shell;One end of hydraulic pull ring is mounted on hydraulic ring flat-plate;The other end of hydraulic pull ring is connect with intermediate tube;First is hydraulic The diameter in hole is three times of the second hydraulic bore dia;Two the first hydraulic holes are connected by hydraulic tube;Two the second hydraulic holes are logical Cross hydraulic tube connection.
As the further improvement of this technology, the above-mentioned alternative as three group of second square hole, three groups of limited blocks is Four groups or five groups;Three fixture block grooves and the alternative of three fixture blocks are four or five;Three group of second square hole and three groups of limits The number of every group of second square hole and limited block is five in the block of position.
As the further improvement of this technology, spacing phase of the width of above-mentioned swinging block with two between adjacent limited block Together.
As the further improvement of this technology, above-mentioned third spring is compressed spring;4th spring is extension spring.
As the further improvement of this technology, flushed on the upside of the downside of above-mentioned swinging block and limited block;It ensure that desk The stabilization of distance under initial state and locking state;Improve precision.
Relative to traditional desk technology, the desk that the present invention designs can pass through the height on ground and the abrasion feelings of table leg Condition carrys out the degree of balance of automatic desk with adjustable.
A connection shell is separately installed in the present invention between two adjacent table legs;Institute's mounting structure in four connection shells It is identical;A movable plate is separately installed between two adjacent driving devices;Two rack gears are separately mounted to movable plate The upper end of two sides;Rotation axis is mounted in connection shell by rotating shaft support;Two first gears are separately mounted to the two of rotation axis Side;Two first gears are engaged with two rack gears respectively;The both ends of movable plate are each passed through corresponding evacuation notch, first party V notch v is connected with corresponding cylinder weight shell.It will drive corresponding movable plate when cylinder weight shell moves down to move down; Movable plate, which moves down, drives corresponding rack gear to move down;Rack gear, which moves down, drives corresponding first gear rotation;First Gear rotation, which drives, correspondingly rotates axis rotation;Rotation axis rotation drives another first gear rotation mounted thereto;Separately One first gear rotation drives rack gear corresponding thereto mobile;Rack gear is mobile to drive movable plate mobile;Movable plate moves band Cylinder weight shell connected to it is moved to move down;It can be prevented by the cooperation of rack gear, movable plate, first gear and rotation axis In cylinder weight shell interference is brought to other cylinders weight shell when moving down;It can be prevented simultaneously by other cylinders weight shell Play the role of influencing driving device when one, two or three table leg is lifted in four table legs.
It is connected between the upper end of intermediate tube and the upper surface of round hole by third spring in the present invention;The outer circle of intermediate tube Fixture block groove there are three circumferentially equably being opened on face;Three fixture blocks are pacified by the cooperation of pin hole on corresponding pin and fixture block respectively In three fixture block grooves;Three fixture blocks cooperate with three groups of limited blocks respectively;Cylinder weight shell is divided into the different two parts of diameter, and Even transition between major diameter part and small diameter portion;By the between the upper surface of cylinder weight shell and the upper surface of round hole The connection of four springs;The major diameter part of cylinder weight shell and three fixture blocks cooperate;The ground locating for four table legs stay or When thering is table leg to be worn in four table legs;Corresponding intermediate tube will be downward under the action of third spring in this table leg It is mobile;Corresponding three fixture blocks are driven to move down while mobile;Due to the major diameter of three fixture blocks and cylinder weight shell Part cooperates;So three fixture blocks can squeeze three limited blocks in moving process and make three limited blocks into the second square hole It is mobile;After intermediate tube mobile one end distance;The upper surface of three fixture blocks will be moved on the downside of three limited blocks;And three limits Position block will move out the second square hole under the action of second spring;And the intermediate tube in ground and table leg is intermediate after contact Pipe can upward intermediate tube;So that intermediate tube moves up;Intermediate tube, which moves up, drives fixture block to move up;It is being moved through The upper surface of fixture block can be with the contact of similar limited block in journey;So that limited block plays the role of limit to fixture block;So that Limited block plays the role of limit to intermediate tube;And then the gap between ground and table leg is made up by the adjusting of intermediate tube; So that desk is in equilibrium state.
A leaf spring is mounted between the side and intermediate tube inner headed face of three fixture blocks in the present invention;Cylinder weight shell is divided into The different two parts of diameter, and even transition between major diameter part and small diameter portion;Major diameter part one on cylinder weight shell Sliding groove is provided on the periphery at end;It symmetrically opens there are two guide groove sliding groove two sides;Major diameter portion is separated by cylinder weight shell Triangle spacing breach is provided on the periphery of sliding groove one end;Lead between the upper surface of cylinder weight shell and the upper surface of round hole Cross the connection of the 4th spring;The major diameter part of cylinder weight shell and three fixture blocks cooperate;There is arc surface on sliding shoe;Sliding shoe tool There is guide groove;It symmetrically installs there are two guide block the two sides of sliding shoe;Sliding shoe passes through the cooperation of two guide blocks and two guide grooves It is mounted in sliding groove;The upper end of frizzen is mounted on the upper surface of round hole;Gib block is mounted on frizzen;Gib block Cooperate with guide groove;Pushing block is mounted on the lower end of frizzen;Arc surface on pushing block and sliding shoe cooperates;When people are lifting Desk is played when being moved;Under the gravity of four cylinder pouring weights will four cylinder pouring weights be detached from the limit of gag lever post to Lower landing;Cylinder pouring weight will drive sliding shoe and move down during cylinder pouring weight slides;Work as card in moving process simultaneously Block is moved to minor diameter timesharing on cylinder weight shell;Fixture block will rotate under the action of leaf spring;It is detached from the limit of limited block Position effect;Sliding shoe is in contact with pushing block during cylinder pouring weight slides simultaneously;Pushing block can squeeze sliding shoe;So that Sliding shoe is moved on the outside of cylinder pouring weight;When people, which remove table moving, puts down desk to destination;Cylinder pouring weight can be with Ground face contact;In contact process, ground will push cylinder pouring weight and move up;Cylinder pouring weight move up drive sliding shoe to Upper movement;Due to being had been detached between fixture block and limited block at this time;So sliding shoe moves up and will drive fixture block and move up; In moving process when intermediate tube and ground block will contact;Sliding shoe is under the action of gib block gradually on the inside of cylinder pouring weight It is mobile;When sliding shoe is also just all moved on the inside of cylinder pouring weight;Swinging block is located on the upside of the limited block of the top, at this time Middle case moves down under the action of third spring;When the lower end of swinging block during cylinder pouring weight moves up and most When correcting contact on the limited block of upper end;It corrects under middle case and is flushed with ground;And the major diameter part of cylinder pouring weight It can be contacted with fixture block so that fixture block is restored to original position.
Hydraulic damping shell is mounted on the inner wall of round hole upper end in the present invention;Divide in the upper and lower end faces of hydraulic damping shell It is not provided with a first hydraulic hole and a second hydraulic hole;Hydraulic ring flat-plate is mounted on the inside of hydraulic damping shell;Hydraulic pull ring One end is mounted on hydraulic ring flat-plate;The other end of hydraulic pull ring is connect with intermediate tube;The diameter in the first hydraulic hole is second hydraulic Three times of bore dia;Two the first hydraulic holes are connected by hydraulic tube;Two the second hydraulic holes are connected by hydraulic tube.Work as centre Liquid when pipe moves down in hydraulic damping shell is flowed out into the second hydraulic hole on the downside of hydraulic damping shell is crossed;Passing through hydraulic tube It is flowed into the second hydraulic hole on the upside of hydraulic damping shell;Liquid when intermediate tube moves up in hydraulic damping shell is into excessively hydraulic Damp the first hydraulic hole outflow on the upside of shell;It is flowed by the first hydraulic hole on the downside of hydraulic tube and hydraulic damping shell.Pass through Liquid flowing on the inside of hydraulic damping shell plays the role of damping to intermediate pipe.
When the desk that people are designed using the present invention;When the ground locating for the table leg in use stays; Corresponding intermediate tube will move down under the action of third spring in table leg;Corresponding three are driven while mobile A fixture block moves down;Since the major diameter part of three fixture blocks and cylinder weight shell cooperates;So three fixture blocks are in moving process In can squeeze three limited blocks three limited blocks are moved into the second square hole;After intermediate tube mobile one end distance;Three The upper surface of a fixture block will be moved on the downside of three limited blocks;And three limited blocks will move under the action of second spring Second square hole out;And intermediate tube can upward intermediate tube after contact for the intermediate tube in ground and table leg;So that intermediate tube It moves up;Intermediate tube, which moves up, drives fixture block to move up;The upper surface of fixture block can be with similar limit in moving process Position block contact;So that limited block plays the role of limit to fixture block;So that limited block plays the role of limit to intermediate tube; And then the gap between ground and table leg is made up by the adjusting of intermediate tube;So that desk is in equilibrium state.
Detailed description of the invention
Fig. 1 is global facility appearance diagram.
Fig. 2 is leg structure of collapsible schematic diagram.
Fig. 3 is round hole schematic diagram of internal structure.
Fig. 4 is driving device structure floor map.
Fig. 5 is driving device structure schematic diagram.
Fig. 6 is circular pore structure schematic diagram.
Fig. 7 is limited block scheme of installation.
Fig. 8 is fixture block scheme of installation.
Fig. 9 is intermediate tube structural schematic diagram.
Figure 10 is intermediate tube schematic diagram of internal structure.
Figure 11 is cylinder weight shell structure schematic diagram.
Figure 12 is sliding shoe scheme of installation.
Figure 13 is gib block scheme of installation.
Figure 14 is sliding shoe structural schematic diagram.
Figure 15 is hydraulic damping shell schematic diagram of internal structure.
Figure 16 is hydraulic damping shell operation principle schematic diagram.
Figure 17 is desk automatic principle of compensation schematic diagram.
Figure 18 is desk operation principle schematic diagram.
Figure 19 is movable plate scheme of installation.
Figure 20 is connection shell schematic diagram of internal structure.
Figure 21 is first gear scheme of installation.
Figure 22 is rack gear scheme of installation.
Figure 23 is rotation axis scheme of installation.
Figure label title: 1, table leg;2, desktop;3, movable plate;4, shell is connected;5, rotation axis;8, rotating shaft support;9, One gear;10, intermediate tube;11, round hole;12, cylinder weight shell;14, hydraulic damping shell;15, the first square breach;16, second Square hole;17, rack gear;18, sliding groove;19, limited block;20, second spring;21, third spring;22, notch is avoided;23, block Block;24, fixture block groove;25, frizzen;26, sliding shoe;27, gib block;28, pushing block;29, guide block;30, guide groove;31, hydraulic Ring flat-plate;32, hydraulic pull ring;33, the first hydraulic hole;34, the second hydraulic hole;35, driving device;36, the 4th spring;37, it is oriented to Slot;38, leaf spring.
Specific embodiment
As shown in Figure 1, it includes table leg 1, driving device 35, round hole 11, desktop 2, the first square breach 15, second party Shape hole 16, limited block 19, second spring 20, movable plate 3, connection shell 4, rotation axis 5, rotating shaft support 8, first gear 9, rack gear 17, wherein there are four table legs 1 for installation in four corners of 2 downside of desktop;As shown in fig. 6, being opened on the lower end surface of four table legs 1 There is a round hole 11;The inner wall of four round holes 11 is circumferentially equably provided with three group of second square hole 16;As shown in fig. 7, three A limited block 19 is mounted in each second square hole 16 in the second square hole 16 of group;Each limited block 19 with it is corresponding A second spring 20 is mounted between second square hole 16;One first is provided on the inner wall of four 11 downsides of round hole Square breach 15;As shown in Fig. 2, being mounted on a driving device 35 in round hole 11 on the lower end surface of four table legs 1;Such as Shown in Figure 20, a connection shell 4 is separately installed between two adjacent table legs 1;Institute's mounting structure is complete in four connection shells 4 It is identical;As shown in figure 19, a movable plate 3 is separately installed between two adjacent driving devices 35;As shown in figure 21, two Rack gear 17 is separately mounted to the upper end of 3 two sides of movable plate;As shown in figure 23, rotation axis 5 is mounted on connection shell by rotating shaft support 8 In 4;As shown in figure 22, two first gears 9 are separately mounted to the two sides of rotation axis 5;Two first gears 9 respectively with two teeth Item 17 engages.
As shown in figure 3, above-mentioned driving device 35 is lacked including intermediate tube 10, cylinder weight shell 12, hydraulic damping shell 14, limit Mouth, sliding groove 18, third spring 21, evacuation notch 22, fixture block 23, fixture block groove 24, frizzen 25, the 4th spring 36, sliding shoe 26, gib block 27, pushing block 28, guide block 29, guide groove 30, hydraulic ring flat-plate 31, hydraulic pull ring 32, the first hydraulic hole 33, guide groove 37, the second hydraulic hole 34, wherein passing through third between the upper end of intermediate tube 10 and the upper surface of round hole 11 as shown in Fig. 8,5 Spring 21 connects;Fixture block groove 24 there are three circumferentially equably being opened on the periphery of intermediate tube 10;As shown in figure 9, intermediate tube 10 Notch 22 is avoided there are two opening on periphery, and two evacuation notches 22 are located at three fixture block grooves, 24 downside, two evacuation notches At 90 degree of angles between 22;Two evacuation notches 22 cooperate with corresponding two movable plates 3 respectively;As shown in Figure 10, three A fixture block 23 is fitted in three fixture block grooves 24 by pin hole on corresponding pin and fixture block 23 respectively;Three fixture blocks A leaf spring 38 is mounted between 23 10 inner headed face of side and intermediate tube;Three fixture blocks 23 are matched with three groups of limited blocks 19 respectively It closes;Cylinder weight shell 12 divides two parts different for diameter, and even transition between major diameter part and small diameter portion;Such as Figure 11 It is shown, sliding groove 18 is provided on the periphery of major diameter part one end on cylinder weight shell 12;18 two sides of sliding groove are symmetrically provided with Two guide grooves 30;As shown in figure 4, being connected between the upper surface of cylinder weight shell 12 and the upper surface of round hole 11 by the 4th spring 36 It connects;The major diameter part of cylinder weight shell 12 and three fixture blocks 23 cooperate;There is arc surface on sliding shoe 26;Sliding shoe 26, which has, leads To slot 37;As shown in figure 14, the two sides of sliding shoe 26 are symmetrically installed there are two guide block 29;As shown in figure 12, sliding shoe 26 is logical Cross being fitted in sliding groove 18 of two guide blocks 29 and two guide grooves 30;The upper end of frizzen 25 is mounted on round hole 11 On upper surface;As shown in figure 13, gib block 27 is mounted on frizzen 25;Gib block 27 and guide groove 37 cooperate;Pushing block 28 It is mounted on the lower end of frizzen 25;Arc surface on pushing block 28 and sliding shoe 26 cooperates.
As shown in figure 19, the both ends of above-mentioned movable plate 3 are each passed through corresponding evacuation notch 22, the first square breach 15 It is connected with corresponding cylinder weight shell 12.
As shown in figure 15, above-mentioned hydraulic damping shell 14 is mounted on the inner wall of 11 upper end of round hole;Hydraulic damping shell 14 A first hydraulic hole 33 and a second hydraulic hole 34 are had in upper and lower end faces;Hydraulic ring flat-plate 31 is mounted on hydraulic resistance 14 inside of Buddhist nun's shell;One end of hydraulic pull ring 32 is mounted on hydraulic ring flat-plate 31;The other end and intermediate tube 10 of hydraulic pull ring 32 connect It connects;The diameter in the first hydraulic hole 33 is three times of the second hydraulic 34 diameter of hole;Two the first hydraulic holes 33 are connected by hydraulic tube; Two the second hydraulic holes 34 are connected by hydraulic tube.
The above-mentioned alternative as three group of second square hole, 16, three groups of limited blocks 19 is four groups or five groups;Three fixture blocks The alternative of slot 24 and three fixture blocks 23 is four or five;Every group in three group of second square hole 16 and three groups of limited blocks 19 The number of two square holes 16 and limited block 19 is five.
Spacing between the width of above-mentioned swinging block and two adjacent limited blocks 19 is identical.
Above-mentioned third spring 21 is compressed spring;4th spring 36 is extension spring.
The downside of above-mentioned swinging block is flushed with the upside of limited block 19;It ensure that desk under initial state and locking state The stabilization of distance;Improve precision.
In summary:
The desk that the present invention designs can be by the height on ground and the abrasion condition of table leg 1 come the flat of automatic desk with adjustable Weighing apparatus degree.
A connection shell 4 is separately installed in the present invention between two adjacent table legs 1;It is installed in four connection shells 4 Structure is identical;A movable plate 3 is separately installed between two adjacent driving devices 35;Two rack gears 17 are installed respectively In the upper end of 3 two sides of movable plate;Rotation axis 5 is mounted in connection shell 4 by rotating shaft support 8;Two first gears 9 are installed respectively In the two sides of rotation axis 5;Two first gears 9 are engaged with two rack gears 17 respectively;The both ends of movable plate 3 are each passed through corresponding Evacuation notch 22, the first square breach 15 connect with corresponding cylinder weight shell 12.The meeting when cylinder weight shell 12 moves down Corresponding movable plate 3 is driven to move down;Movable plate 3, which moves down, drives corresponding rack gear 17 to move down;Rack gear 17 is downward It is mobile that corresponding first gear 9 is driven to rotate;The rotation of first gear 9, which drives, correspondingly rotates the rotation of axis 5;Rotation axis 5 rotates band Move another first gear 9 rotation mounted thereto;The rotation of another first gear 9 drives rack gear 17 corresponding thereto to move It is dynamic;Rack gear 17 is mobile to drive movable plate 3 mobile;Movable plate 3 is mobile to drive cylinder weight shell 12 connected to it to move down;Pass through When the cooperation of rack gear 17, movable plate 3, first gear 9 and rotation axis 5 can prevent one of cylinder weight shell 12 from moving down pair Other cylinder weight shells 12 bring interference;It can prevent having one, two in four table legs 1 by other cylinder weight shells 12 simultaneously Or three table legs 1 influence the effect of driving device 35 when being lifted.
It is connected between the upper end of intermediate tube 10 and the upper surface of round hole 11 by third spring 21 in the present invention;Intermediate tube Fixture block groove 24 there are three circumferentially equably being opened on 10 periphery;Three fixture blocks 23 pass through corresponding pin and fixture block 23 respectively Upper pin hole is fitted in three fixture block grooves 24;Three fixture blocks 23 cooperate with three groups of limited blocks 19 respectively;Cylinder weight shell 12 It is divided into the different two parts of diameter, and even transition between major diameter part and small diameter portion;The upper surface of cylinder weight shell 12 It is connect between the upper surface of round hole 11 by the 4th spring 36;The major diameter part of cylinder weight shell 12 is matched with three fixture blocks 23 It closes;The ground locating for four table legs 1 stay or four table legs 1 in when thering is table leg 1 to be worn;Phase in this table leg 1 Corresponding intermediate tube 10 will move down under the action of third spring 21;Corresponding three cards are driven while mobile Block 23 moves down;Since the major diameter part of three fixture blocks 23 and cylinder weight shell 12 cooperates;So three fixture blocks are being moved through Cheng Zhonghui squeezes three limited blocks 19 and three limited blocks 19 is moved into the second square hole 16;When the mobile one end of intermediate tube 10 After distance;The upper surface of three fixture blocks 23 will be moved to three limited blocks, 19 downside;And three limited blocks 19 are in second spring The second square hole 16 will be moved out under the action of 20;And 10 meeting of intermediate tube after contact of intermediate tube 10 in ground and table leg 1 Upward intermediate tube 10;So that intermediate tube 10 moves up;Intermediate tube 10, which moves up, drives fixture block 23 to move up;It is moving The upper surface of fixture block 23 can be with the contact of similar limited block 19 during dynamic;So that limited block 19 plays the work of limit to fixture block 23 With;So that limited block 19 plays the role of limit to intermediate tube 10;And then ground is made up by the adjusting of intermediate tube 10 With the gap between table leg 1;So that desk is in equilibrium state.
A leaf spring 38 is mounted between 10 inner headed face of side and intermediate tube of three fixture blocks 23 in the present invention;Cylinder weight Shell 12 divides two parts different for diameter, and even transition between major diameter part and small diameter portion;It is big on cylinder weight shell 12 Sliding groove 18 is provided on the periphery of diameter portion one end;It symmetrically opens there are two guide groove 30 18 two sides of sliding groove;Cylinder weight shell Major diameter portion is separated by the periphery of 18 one end of sliding groove and is provided with triangle spacing breach on 12;The upper surface of cylinder weight shell 12 It is connect between the upper surface of round hole 11 by the 4th spring 36;The major diameter part of cylinder weight shell 12 is matched with three fixture blocks 23 It closes;There is arc surface on sliding shoe 26;Sliding shoe 26 has guide groove 37;It is led there are two symmetrically installing the two sides of sliding shoe 26 Block 29;Sliding shoe 26 is fitted in sliding groove 18 by two guide blocks 29 and two guide grooves 30;The upper end of frizzen 25 It is mounted on the upper surface of round hole 11;Gib block 27 is mounted on frizzen 25;Gib block 27 and guide groove 37 cooperate;It pushes Block 28 is mounted on the lower end of frizzen 25;Arc surface on pushing block 28 and sliding shoe 26 cooperates;As shown in figure 18 a, work as people When lifting desk and being moved;Under the gravity of four cylinder pouring weights will four cylinder pouring weights be detached from the limit of gag lever post Position slides downwards;Cylinder pouring weight will drive sliding shoe 26 and move down during cylinder pouring weight slides;Simultaneously in moving process In be moved to minor diameter timesharing on cylinder weight shell 12 when fixture block 23;Fixture block 23 will rotate under the action of leaf spring 38; It is detached from the position-limiting action of limited block 19;Sliding shoe 26 is in contact with pushing block 28 during cylinder pouring weight slides simultaneously;It pushes away Motion block 28 can squeeze sliding shoe 26;As shown in fig. 18b, so that sliding shoe 26 is moved on the outside of cylinder pouring weight;When people remove table Son is moved to destination when putting down desk;Cylinder pouring weight can be with ground face contact;In contact process, ground will push cylinder weight Block moves up;Cylinder pouring weight, which moves up, drives sliding shoe 26 to move up;Due at this time between fixture block 23 and limited block 19 It has been detached from;As shown in Figure 18 c, so sliding shoe 26 moves up and will drive fixture block 23 and move up;In moving process when When intermediate tube 10 and ground block will contact;Sliding shoe 26 is under the action of gib block 27 gradually to cylinder pouring weight medial movement;When When sliding shoe 26 is also just all moved on the inside of cylinder pouring weight;Swinging block is located at 19 upside of limited block of the top, exists at this time Middle case moves down under the action of third spring 21;When the lower end of swinging block during cylinder pouring weight moves up and most When correcting contact on the limited block 19 of upper end;As shown in Figure 18 d, corrects under middle case and flushed with ground;And cylinder weight The major diameter portion branch of block contacts with fixture block 23 so that fixture block 23 is restored to original position.
Hydraulic damping shell 14 is mounted on the inner wall of 11 upper end of round hole in the present invention;The upper and lower ends of hydraulic damping shell 14 A first hydraulic hole 33 and a second hydraulic hole 34 are had on face;Hydraulic ring flat-plate 31 is mounted in hydraulic damping shell 14 Side;One end of hydraulic pull ring 32 is mounted on hydraulic ring flat-plate 31;The other end of hydraulic pull ring 32 is connect with intermediate tube 10;First liquid Press the diameter in hole 33 for three times of the second hydraulic 34 diameter of hole;Two the first hydraulic holes 33 are connected by hydraulic tube;Two second Hydraulic hole 34 is connected by hydraulic tube.As illustrated in fig 16 a, the liquid when intermediate tube 10 moves down in hydraulic damping shell 14 into It flows out in the second hydraulic hole 34 for crossing 14 downside of hydraulic damping shell;Hydraulic by second on the upside of hydraulic tube and hydraulic damping shell 14 Hole 34 flows into;As shown in fig 16b, the liquid when intermediate tube 10 moves up in hydraulic damping shell 14 into cross hydraulic damping shell 14 It flows out in the hydraulic hole 33 of the first of upside;It is flowed into the first hydraulic hole 33 by 14 downside of hydraulic tube and hydraulic damping shell.Pass through The liquid flowing of 14 inside of hydraulic damping shell plays the role of damping to intermediate pipe 10.
Specific embodiment: when the desk that people are designed using the present invention;The ground locating for the table leg 1 in use When face stays;As illustrated in fig 17 a, corresponding intermediate tube 10 will be downward under the action of third spring 21 in table leg 1 It is mobile;Corresponding three fixture blocks 23 are driven to move down while mobile;Due to three fixture blocks 23 and cylinder weight shell 12 Major diameter part cooperation;So three fixture blocks can squeeze three limited blocks 19 in moving process and make three limited blocks 19 to It is moved in two square holes 16;After the mobile one end distance of intermediate tube 10;The upper surface of three fixture blocks 23 will be moved to three limits 19 downside of position block;And three limited blocks 19 will move out the second square hole 16 under the action of second spring 20;Such as Figure 17 b institute Show, and intermediate tube 10 can upward intermediate tube 10 after contact for the intermediate tube 10 in ground and table leg 1;So that intermediate tube 10 to Upper movement;Intermediate tube 10, which moves up, drives fixture block 23 to move up;In moving process fixture block 23 upper surface can and it is close Limited block 19 contact;So that limited block 19 plays the role of limit to fixture block 23;So that limited block 19 is to intermediate tube 10 Play the role of limit;And then the gap between ground and table leg 1 is made up by the adjusting of intermediate tube 10;So that desk In equilibrium state.

Claims (4)

1. a kind of desk of adjustable stability, it is characterised in that: it includes table leg, driving device, round hole, desktop, first Square breach, the second square hole, limited block, second spring, movable plate, connection shell, rotation axis, rotating shaft support, first gear, tooth Item, wherein there are four table legs for installation in four on the downside of desktop corner;A round hole is provided on the lower end surface of four table legs; The inner wall of four round holes is circumferentially equably provided with three group of second square hole;In three group of second square hole in each second square hole It is mounted on a limited block;A second spring is mounted between each limited block and corresponding second square hole;Four First square breach are provided on inner wall on the downside of a round hole;It is respectively mounted in round hole on the lower end surface of four table legs There is a driving device;A connection shell is separately installed between two adjacent table legs;Institute's mounting structure in four connection shells It is identical;A movable plate is separately installed between two adjacent driving devices;Two rack gears are separately mounted to movable plate The upper end of two sides;Rotation axis is mounted in connection shell by rotating shaft support;Two first gears are separately mounted to the two of rotation axis Side;Two first gears are engaged with two rack gears respectively;
The driving device includes intermediate tube, cylinder weight shell, hydraulic damping shell, spacing breach, sliding groove, third spring, evacuation It is notch, fixture block, fixture block groove, frizzen, the 4th spring, sliding shoe, gib block, pushing block, guide block, guide groove, hydraulic ring flat-plate, hydraulic Pull ring, the first hydraulic hole, guide groove, the second hydraulic hole, wherein by the between the upper end of intermediate tube and the upper surface of round hole The connection of three springs;Fixture block groove there are three circumferentially equably being opened on the periphery of intermediate tube;There are two being opened on the periphery of intermediate tube Notch is avoided, and two evacuation notches are located on the downside of three fixture block grooves, at 90 degree of angles between two evacuation notches;Two are kept away Notch is allowed to cooperate respectively with corresponding two movable plates;Three fixture blocks pass through pin hole on corresponding pin and fixture block respectively It is fitted in three fixture block grooves;A leaf spring is mounted between the side and intermediate tube inner headed face of three fixture blocks;Three Fixture block cooperates with three groups of limited blocks respectively;Cylinder weight shell is divided into the different two parts of diameter, and major diameter part and minor diameter / even transition;Sliding groove is provided on the periphery of major diameter part one end on cylinder weight shell;Sliding groove two sides are symmetrically Guide groove there are two opening;Major diameter portion, which is separated by the periphery of sliding groove one end, on cylinder weight shell is provided with triangle spacing breach; It is connected between the upper surface of cylinder weight shell and the upper surface of round hole by the 4th spring;The major diameter part and three of cylinder weight shell A fixture block cooperation;There is arc surface on sliding shoe;Sliding shoe has guide groove;It is led there are two symmetrically installing the two sides of sliding shoe Block;Sliding shoe is fitted in sliding groove by two guide blocks and two guide grooves;The upper end of frizzen is mounted on round hole Upper surface on;Gib block is mounted on frizzen;Gib block and guide groove cooperate;Pushing block is mounted on the lower end of frizzen; Arc surface on pushing block and sliding shoe cooperates;
The both ends of the movable plate are each passed through corresponding evacuation notch, the first square breach connect with corresponding cylinder weight shell It connects.
2. a kind of desk of adjustable stability according to claim 1, it is characterised in that: the hydraulic damping shell installation On the inner wall of round hole upper end;A first hydraulic hole and one second are had in the upper and lower end faces of hydraulic damping shell Hydraulic hole;Hydraulic ring flat-plate is mounted on the inside of hydraulic damping shell;One end of hydraulic pull ring is mounted on hydraulic ring flat-plate;Hydraulic pull ring The other end is connect with intermediate tube;The diameter in the first hydraulic hole is three times of the second hydraulic bore dia;Two the first hydraulic holes pass through Hydraulic tube connection;Two the second hydraulic holes are connected by hydraulic tube.
3. a kind of desk of adjustable stability according to claim 1, it is characterised in that: three group of second square hole, three The alternative of group limited block is four groups or five groups;Three fixture block grooves and the alternative of three fixture blocks are four or five;Three The number of every group of second square hole and limited block is five in the second square hole of group and three groups of limited blocks.
4. a kind of desk of adjustable stability according to claim 1, it is characterised in that: the third spring is compression Spring;4th spring is extension spring.
CN201710539638.6A 2017-07-04 2017-07-04 A kind of desk of adjustable stability Expired - Fee Related CN107183969B (en)

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CN201710539638.6A CN107183969B (en) 2017-07-04 2017-07-04 A kind of desk of adjustable stability
CN201811411621.3A CN109330239A (en) 2017-07-04 2017-07-04 A kind of desk of adjustable stability

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CN207246680U (en) * 2017-09-27 2018-04-17 广州市金华美工艺制造有限公司 A kind of fast leveling formula base with slide block mechanism

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Publication number Priority date Publication date Assignee Title
US7588295B2 (en) * 2006-10-09 2009-09-15 Homtomi Holdings, Inc. Legged support
CN102613815A (en) * 2012-04-17 2012-08-01 王腾云 Multifunctional study desk and chair
CN102894689A (en) * 2012-07-30 2013-01-30 陈伟 Adjustable bottom foot
CN103284461A (en) * 2013-06-18 2013-09-11 黄俊晶 Portable lifting desk
CN204580381U (en) * 2015-05-08 2015-08-26 湖南理工职业技术学院 A kind of Art Design drawing table

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7588295B2 (en) * 2006-10-09 2009-09-15 Homtomi Holdings, Inc. Legged support
CN102613815A (en) * 2012-04-17 2012-08-01 王腾云 Multifunctional study desk and chair
CN102894689A (en) * 2012-07-30 2013-01-30 陈伟 Adjustable bottom foot
CN103284461A (en) * 2013-06-18 2013-09-11 黄俊晶 Portable lifting desk
CN204580381U (en) * 2015-05-08 2015-08-26 湖南理工职业技术学院 A kind of Art Design drawing table

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