CN104728570B - Adjustable for height lifting support - Google Patents

Adjustable for height lifting support Download PDF

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Publication number
CN104728570B
CN104728570B CN201510082750.2A CN201510082750A CN104728570B CN 104728570 B CN104728570 B CN 104728570B CN 201510082750 A CN201510082750 A CN 201510082750A CN 104728570 B CN104728570 B CN 104728570B
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Prior art keywords
pole
elevating lever
adjustable
lifting support
height lifting
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CN104728570A (en
Inventor
朱江凡
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Zhaozhang Industrial (dongguan) Co Ltd
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Zhaozhang Industrial (dongguan) Co Ltd
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Abstract

The invention discloses a kind of adjustable for height lifting support, for with being set to operation post face, to realize that station sits dual-purpose, the adjustable for height lifting support includes the elevating lever being fixedly installed and is connected to the elevating lever and the workbench moved up and down with the elevating lever;The workbench includes the fixture for being fixedly connected on the liftable end of the elevating lever and the slip working plate for slidably stretching out the fixture.The adjustable for height lifting support provided according to the present invention, easily it can put or be installed on existing desk, elevating lever is folded when user sits down and workbench, subscriber station stretch out elevating lever and workbench immediately, the switching that two kinds of use states are sat at station can be conveniently realized, it is simple in construction and easy to use.

Description

Adjustable for height lifting support
Technical field
The present invention relates to a kind of support, more particularly to a kind of adjustable for height lifting support applied to work top.
Background technology
As present office is increasingly weighed to the dependence of computer, the work of people daily is kept for time of sitting posture also increasingly It is long, cause the occupational diseases such as cervical spondylopathy, lumbar vertebra disease.
For such case, the station seating two-way type lifting desk of overall desktop lifting has been occurred in the market, but Application is not widely spread, the reason for causing this situation is:1. overall desktop lift desk cost is too high, And the original desk of user cannot be utilized and purchased again, it is necessary to all abandon, and on the one hand cause the wasting of resources, on the other hand The too high client of cost can not receive;2. in the occasion that multiple desks are close to put or Contiuum type is put, overall desktop lift Desk needs to leave space between adjacent desktop, substantially increases cost of floor space.
Accordingly, it would be desirable to one kind is on the basis of existing working environment, can coordinate that existing desk uses is adjustable for height Lifting support, to economize on resources, reduces cost.
The content of the invention
It is an object of the invention to provide one kind on the basis of existing working environment, the height that existing desk can be coordinated to use Adjustable lifting support is spent, without abandoning existing desk, economizes on resources and to update cost relatively low, it is easy to utilize.
To achieve these goals, the invention discloses a kind of adjustable for height lifting support, for being set to operation post On face, to realize that station sits dual-purpose, the adjustable for height lifting support includes the elevating lever being fixedly installed and is connected to the liter Drop bar and the workbench moved up and down with the elevating lever;The first pole that the elevating lever includes linearly arranging, the Two poles and the 3rd pole, first pole and second pole are in a tubular form;The inwall of first pole and described The outer wall of two poles is correspondingly arranged on the first helicitic texture, and the outer wall of the 3rd pole is corresponding with the inwall of second pole The second helicitic texture is provided with, and the hand of spiral of first helicitic texture and second helicitic texture is opposite.
Compared with prior art, the adjustable for height lifting support that the present invention is provided, workbench is driven by an elevating lever Move up and down, adjusted with the height for realizing workbench, to realize that the distance adjustment of user and workbench under two states is sat at station.Root The adjustable for height lifting support provided according to the present invention, easily can put or be installed on existing desk, and user sits Elevating lever will be folded when lower and workbench, subscriber station stretch out elevating lever and workbench immediately, you can conveniently realizing two kinds of station seat makes It is simple in construction and easy to use with the switching of state.
Preferably, the workbench includes being fixedly connected on the fixture at the liftable end of the elevating lever and slidably stretched Go out the slip working plate of the fixture;It is fixedly connected on the fixture at the liftable end of the elevating lever and slidably stretches out institute State the workbench for sliding working plate composition of fixture so that elevating lever can be moved away from by sliding working plate.
Preferably, the cross section of the fixture is in inverted U-shaped;The slip working plate, which is slided, stretches out the fixture Or described in retraction in fixture.
Preferably, the liftable end of the elevating lever is additionally provided with display.
Specifically, the engagement rotating disk that the display is provided with engaging tooth by dorsal part is articulated in the elevating lever, described Elevating lever is correspondingly arranged on engages the rack that rotating disk is meshed with described;The adjustable for height lifting support also includes being used to drive Move the power unit that the rack is moved up and down;Power unit driving rack is moved up and down, to drive the engagement being engaged with to turn Disk is rotated, so as to realize the adjustment to display angle of inclination.
Preferably, the adjustable for height lifting support also includes bottom plate, the fixing end of the elevating lever is fixedly connected on The bottom plate.
Specifically, the elevating lever also includes driving second pole rotation to realize power that the elevating lever is flexible Device.
Specifically, the power set are fixedly installed, and the output end of the power set is connected to second pole End outer wall away from first pole.
Specifically, control the switch of the power set to be arranged at the slip working plate and deviate from the one of the elevating lever Side.
Brief description of the drawings
Fig. 1 is the structural representation of adjustable for height lifting support of the invention.
Fig. 2 is the side view of adjustable for height lifting support of the invention.
Fig. 3 is the collapse state schematic diagram of adjustable for height lifting support of the invention.
Fig. 4 is the side view of the collapse state of adjustable for height lifting support of the invention.
Fig. 5 is the sectional view on A-A directions in Fig. 1.
The view that Fig. 6 tilts down for the display screen of adjustable for height lifting support of the invention.
Fig. 7 is the sectional view on B-B directions in Fig. 6.
Fig. 8 is the contraction state schematic diagram of elevating lever.
Fig. 9 is that elevating lever removes the internal structure schematic diagram after housing.
Figure 10 is the decomposing schematic representation of elevating lever.
Figure 11 is the sectional view on C-C directions in Fig. 8.
Figure 12 is the sectional view on D-D directions in Fig. 8.
Figure 13 is the enlarged drawing in E portions in Figure 12.
Figure 14 is the extended state schematic diagram of elevating lever.
Figure 15 is the sectional view on F-F directions in Figure 14.
Figure 16 is the structural representation of adjustable for height lifting support second embodiment of the invention.
Figure 17 is the structural representation of adjustable for height lifting support 3rd embodiment of the invention.
Figure 18 is the structural representation under adjustable for height another state of lifting support 3rd embodiment of the invention.
Embodiment
To describe the technology contents of the present invention in detail, feature, the objects and the effects being constructed, below in conjunction with embodiment And coordinate accompanying drawing to be explained in detail.
As depicted in figs. 1 and 2, the present invention provides a kind of adjustable for height lifting support, for being set to operation post face To realize that station sits dual-purpose, adjustable for height lifting support include the elevating lever 100 that is fixedly installed and be connected to elevating lever 100 and with The workbench 200 that elevating lever 100 is moved up and down;Workbench 200 includes being fixedly connected on the fixation at the liftable end of elevating lever 100 Part 210 and the slip working plate 220 for slidably stretching out fixture 210.With reference to shown in Fig. 3-Figure 15, more specifically:
The lower end of elevating lever 100 is in be fixedly installed, referred to as fixing end;Relative it can stretch out or receive the upper end of elevating lever 100 Contracting, referred to as liftable end.
Refer to again with reference to shown in Fig. 8-Figure 15, in the present embodiment, elevating lever 100 is three-section type, including along straight line side To the first pole 110, the second pole 120 and the 3rd pole 130 arranged from the top down, by the first pole 110, second The relative constriction of the pole 130 of bar 120 and the 3rd is stretched out, and realizes the lifting of elevating lever 100.To prevent elevating lever 100 from stretching out Or in contraction process, accidentally twisting influences the normal work of elevating lever 100 into foreign matter, in the first pole 110, the second pole 120 and the 3rd outer housing 150 that cladding is set of pole 130.Specifically, housing 150 include cladding the first pole 110 upside and First housing 151 of four the week side of boss, the second housing 152 for coating the week side of boss of the second pole 120 4 and the cladding the week side of boss of the 3rd pole 130 4 With the 3rd housing 153 of downside, be do not influence elevating lever 100 of the present invention work and being capable of the first pole 110 of perfect cladding, the Two poles 120 and the 3rd pole 130, the cross section of the first housing 151, the second housing 152 and the 3rd housing 153 is in similar diagram Shape, and the cross-sectional area of the first housing 151, the second housing 152 and the 3rd housing 153 is sequentially reduced, and the first housing 151 Inner wall size be slightly larger than the 3rd housing 153 slightly larger than the outer wall dimension of the second housing 152, the inner wall size of the second housing 152 Outer wall dimension so that during the first pole 110, the second pole 120 and the 3rd pole 130 are stretched out or shunk, first Housing 151, the second housing 152 and the 3rd housing 153 also can be stretched out or shunk accordingly.Different from the present embodiment its In his embodiment, the cross-sectional area of the first housing 151, the second housing 152 and the 3rd housing 153 can also gradually increase, together Sample can be realized during the first pole 110, the second pole 120 and the 3rd pole 130 are stretched out or shunk, the first housing 151st, the purpose that the second housing 152 and the 3rd housing 153 also can be stretched out or shunk accordingly.Above-mentioned fixing end is the 3rd Housing 153, above-mentioned liftable end is the first housing 151.
Refer to again shown in Figure 12 and Figure 13, the inner wall size of the first housing 151 is slightly larger than the outer wall chi of the second housing 152 Very little, the second housing 152 inner wall size is slightly larger than the outer wall dimension of the 3rd housing 153, and dimension difference is about within 10mm.For So that the first housing 151, the second housing 152 and the 3rd housing 153 are set in gap between any two, so as to realize the present invention Three-section type expansion link will not produce larger frictional resistance in telescopic process between housing, while being also to prevent the outer wall of housing Produce friction cut and have influence on the good appearance degree of three-section type expansion link of the present invention, the technical scheme that the present invention takes is:The The along the moving direction setting of the first housing 151 is folded between one housing 151 both sides relative with the second housing 530 respectively One is oriented to barrier structure, is folded with respectively between the second housing 152 and the opposite sides of the 3rd housing 153 along the second housing 152 Moving direction set second be oriented to barrier structure;Between first housing 151, the second housing 152 and the 3rd housing 153 only There is contact by the first guiding barrier structure and the second guiding barrier structure and between other faces be in gap.The gap width is substantially For 2-5mm.
Refer to again shown in Figure 13, the first housing 151, the second housing 152 and the 3rd housing 153 are respectively to the first pole 110th, the second pole 120 and the 3rd pole 130 protrude out to form strip projection, and strip projection deviates from the first pole 110, the second pole 120 and the 3rd pole 130 side concave shape groove into strips, be located in the bar between the first housing 151 and the second housing 152 Shape projection and strip groove constitute first and are oriented to barrier structure, are located in the strip between the second housing 152 and the 3rd housing 153 Projection and strip groove constitute second and are oriented to barrier structure.More specifically:In the present embodiment, the first housing 151, the second housing 152 and the 3rd the size of housing 153 be gradually reduced, i.e. the first housing 151 is sheathed on the second housing 152, the second 152 sets of housing Located at the 3rd housing 153;The left and right sides of first housing 151 protrudes out to form strip projection 151a respectively to the first housing 151, and second The left and right sides of housing 152 protrudes out to form strip projection 152a to the 3rd housing 153 respectively, and strip projection 152a is towards strip projection 151a side concave shape groove 152b into strips;The left and right sides of 3rd housing 153 is protruded out to the 3rd pole 130 respectively to be formed article The side concave shape groove 153b into strips of shape projection 153a, strip projection 153a towards strip projection 152a;First housing 151st, the second housing 152 and the 3rd housing 153 are mutually arranged so that strip projection 151a stretches into strip groove 152b and constitutes the One guiding barrier structure, strip projection 152a, which stretch into strip groove 153b and constitute second, is oriented to barrier structure.According to the technology Scheme, strip projection and strip groove are integrally formed with housing, without separately processing, and simplify production and packaging technology.Preferably, The wear-resisting material of sandwiched is distinguished between strip projection 151a and strip groove 152b, between strip projection 152a and strip groove 153b Bed of material 150c.
Workbench 200 is also fixedly connected on the first housing 151.Specifically, as Figure 1-Figure 4, workbench 200 includes solid Determine part 210 and slide working plate 220;Wherein, the cross section of fixture 210 is in inverted U-shaped so that fixture 210 constitutes one Guard shield;Slide working plate 220 and slide and stretch out in fixture 210 or retraction fixture 210, sliding working plate 220 is used to put Put mouse-keyboard etc..
As shown in figure 1, the upper end of the first housing 151 is used to be fixedly connected with display 500.With reference to shown in Fig. 1, Fig. 5-Fig. 7: The engagement rotating disk 510 that display 500 is provided with engaging tooth by dorsal part is articulated in the upper end of the first housing 151, the first housing 151 On be correspondingly arranged on and engage the rack 520 that rotating disk 510 is meshed, rack 520 is in vertically arranged;The downside of workbench 200 is set Power unit 530 is equipped with, the output end of power unit 530 is connected to rack 520, to drive rack 520 in vertical direction Lower movement, so as to drive engagement rotating disk 510 to rotate, realizes the adjustment to the angle of inclination of display 500.
In the adjustable for height lifting support of the invention shown in Fig. 1-15, including elevating lever 100, it is fixed on the liter Drop a display 500 of bar 100 and be connected to a workbench 200 of the elevating lever.Different from the present embodiment other In embodiment, as shown in figure 16, the liftable end of an elevating lever 100 sets a cross bar for being used to connect multiple displays 500, from And allow adjustable for height lifting support of the invention to realize that the content simultaneously to multiple displays 500 is monitored or grasped Make.System is not limited, in the other embodiment different from the present embodiment, adjustable for height lifting support can be as needed Several elevating levers 100 are set, several displays 500 and several workbench 200 can be connected on an elevating lever 100, its Quantity can be according to application scenario option and installment.
In a preferred embodiment, as shown in figure 16, adjustable for height lifting support of the invention also includes bottom plate 400, rises The fixing end of drop bar 100 is fixedly connected on bottom plate 400.Specifically, bottom plate 400 is perpendicular to elevating lever 100, and bottom plate 400 is parallel Set in the ground of workbench 200;When adjustable for height lifting support of the invention comes into operation, bottom plate 400 is directly placed in operation It is convenient and swift and stability is high without being dismounted to adjustable for height lifting support on table top.Different from this implementation In the other embodiment of example, adjustable for height lifting support of the invention can not also include bottom plate 400;By consolidating for elevating lever 100 Fixed end is fixedly connected on work top.Further, can also be on work top 400 ' with reference to shown in Figure 17 and Figure 18 Fang Kaishe mounting grooves 410 ', adjustable for height lifting support of the invention is installed in mounting groove 410 ', workbench 200 ' from The identical material of work top 400 '.When adjustable for height lifting support of the invention is in collapse state, as shown in figure 17, work Make platform 200 ' to flush with the surface of work top 400 ';When adjustable for height lifting support of the invention is in open configuration, such as Shown in Figure 18, workbench 200 ' is raised.
Refer to again with reference to shown in Fig. 8-Figure 15, the structure to elevating lever 100 is described in detail:The He of first pole 110 Second pole 120 is in a tubular form;The inwall of first pole 110 and the outer wall of the second pole 120 are correspondingly arranged on the first helicitic texture, The outer wall of 3rd pole 130 and the inwall of the second pole 120 are correspondingly arranged on the second helicitic texture, and the first helicitic texture and The hand of spiral of two helicitic textures is opposite;Second pole 120 is fixedly installed in vertically, and the first pole 110 and the 3rd pole 130 can The second pole 120 is connected to up or down;What elevating lever 100 was also rotated including the first pole 110 of limitation and the 3rd pole 130 Position limiting structure.More specifically:
As is illustrated by figs. 11 and 12, the circular in cross-section of the inner diameter hole of the first pole 110 in a tubular form, the second pole 120 external wall cross-section is also in corresponding circle, and the first pole 110 in a tubular form is socketed on the second pole by its inner diameter hole 120 outer walls;The cross section of the inner diameter hole of the second pole 120 in a tubular form is also rounded, and the external diameter cross section of the 3rd pole 130 is also In corresponding circle, the second pole 120 in a tubular form is socketed on the outer wall of the 3rd pole 130 by its inner diameter hole.Elevating lever 100 leads to Cross stretching out or shrinking for three poles being mutually socketed, with realize elevating lever 100 stretch out longer dimension and to shrink size smaller. In the present embodiment, the outer wall of the first pole 110 in cylinder, and the 3rd pole 130 be in solid round bar shape, but not as Limit, the outer wall of the first pole 110 can be designed as arbitrary shape as needed, and the using effect not influenceed at all, the 3rd Bar 130 can also be designed as tubular structure such as the first pole 110 and the second pole 120, its only possible intensity to elevating lever 100 Produce influence.
Second pole 120 rotatably arranged with.Specifically, as shown in figure 9, connecting plate 123 is fixedly connected on the second housing 152 inwall;Second pole 120 is fixedly connected on a connecting plate 123 being fixedly installed by bearing 123a so that the second pole The 120 rotatable and relative connecting plates 123 of the second pole 120 are in immovable in vertical direction, so as to realize to the second pole 120 Positioning.The outer wall of the second pole 120 in a tubular form is provided with the first helicitic texture, inwall and is provided with the second helicitic texture, and The hand of spiral of one helicitic texture and the second helicitic texture is opposite.
First pole 110 is not rotatable, and the first pole 110 can move up and down with respect to the second pole 120 in vertical direction. Specifically, as shown in Figure 14 and Figure 15, the inwall of the first housing 151 is socketed on the outside of second shell body 152, and the first pole 110 upper end is fixedly connected on the first housing 151, so as to realize the positioning to the first pole 110;The first pole in a tubular form 110 inwall is correspondingly arranged on the first helicitic texture, and is threadedly coupled by the first helicitic texture with the second pole 120 so that First pole 110 and the first housing 151 can be moved up and down with respect to the second pole 120 and the second housing 152.
3rd pole 130 is similar to the first pole 110:3rd pole 130 is not rotatable, and the 3rd pole 130 can be relative Second pole 120 moves up and down in vertical direction.Specifically, as shown in Figure 14 and Figure 15, the inwall of the second housing 152 is socketed on The outside of 3rd housing 153, and the lower end of the 3rd pole 130 is fixedly connected on the 3rd housing 153, so as to realize to the 3rd pole 130 positioning;The outer wall of the 3rd solid pole 130 is correspondingly arranged on the second helicitic texture, and by the second helicitic texture with Second pole 120 is threadedly coupled so that the 3rd pole 130 and the 3rd housing 153 can be with respect to the second pole 120 and the second housings 152 move up and down.
According to above-mentioned technical scheme, when the second pole 120 rotates, respectively via the first opposite screw thread of the hand of spiral Structure and the second helicitic texture drive the first pole 110 and the 3rd pole 130 so that the first pole 110 and the phase of the 3rd pole 130 To mobile or be moved away from, so as to realize stretching out or shrinking for elevating lever 100.Further, the 3rd pole 130 is fixedly connected on Fixture 400.
As shown in Figure 11-12 and Figure 14-15, in the present embodiment, the first housing 151, the second housing 152 and the 3rd housing 153 cross section is in similar rectangular configuration, i.e. the first housing 151 is the hollow quadratic body knot that upside is closed, downside is unlimited Structure, the second housing 152 in both sides unlimited hollow quadratic body structure up and down, the 3rd housing 153 be upside open wide, downside closing Hollow quadratic body structure.In different from other embodiment, the first housing 151, the second housing 152 and the 3rd housing 153 Cross section can also be similar square, circle, ellipse, kidney-shaped, polygon, sector etc., can be housed as long as it has The cavity of first pole 110, the second pole 120 and the 3rd pole 130, shape is extended with certain shape of cross section in vertical direction Into arbitrary shape.
Further, elevating lever 100 also include be used for drive the second pole 120 rotate, with realize elevating lever 100 stretch out or The power set 140 of contraction.Specifically, as shown in Fig. 9, Figure 11 and Figure 15, power set 140 are fixedly connected on connecting plate 123, And the output end of power set 140 is fixedly installed outside driving wheel 141, the one end of the second pole 120 away from the first pole 110 Wall is fixedly installed driven pulley 143, and driving wheel 141 and driven pulley 143 are connected by crawler belt 142, and power set 140 pass through crawler belt 142 the second poles 120 of driving rotate, to realize moving towards or being moved away from for the first pole 110 and the 3rd pole 130. Different from the other embodiment of the present embodiment, power set 140 can also be driven by modes such as gear drive, chain drives Second pole 120 rotates.Power set 140 can be motor, and power is controlled by being arranged at the switch 144 outside housing 150 The work of device 140, you can easily control stretching out or shrinking for elevating lever 100.More specifically, power set 140 can be just Anti- two direction rotates, to drive the second pole 120 to rotate forward or reversely rotate, so as to realize the first pole 110 and the 3rd The move toward one another of pole 130, the first pole 110 and the 3rd pole 130 move two kinds of motion states opposite to each other.Further, control dynamic The switch 144 of power apparatus 140, which is arranged at, slides the side that working plate 220 deviates from elevating lever 100.
On the one hand its purpose of the setting of connecting plate 123 is the installation for being easy to the second pole 120 and power set 140, separately On the one hand it is the setting for avoiding power set 140 to the mobile production in the inner diameter hole of the second pole of retraction 120 of the 3rd pole 130 Raw interference.Specifically:The bolt that moving direction of the connecting plate 123 by the left and right sides along the 3rd housing 153 is arranged is fixedly connected Have between the side wall of the second housing 152, and the side wall of the housing 152 of connecting plate 123 and second and be more than the side wall of the 3rd housing 153 The gap of thickness;The position of 3rd housing 153 correspondence bolt offers two escape groove;Rotate when the second pole 120, the 3rd pole 130 and the 3rd housing 153 to the second pole 120 move when, bolt enter escape groove in.
When being in contraction state to elevating lever 100, as shown in Figure 8 and Figure 9, the first pole 110, the and of the second pole 120 3rd pole 130 is contracted to the state being mutually socketed, now, is connected to the first pole 110, the second pole 120 and the 3rd The first housing 151, the second housing 152 and the 3rd housing 153 of pole 130 are also in the collapse state being mutually socketed;Start outside Switch 144 controls power set 140 to work, and is driven positioned at the driving wheel 141 of the output end of power set 140 through crawler belt 142 driven Wheel 143, so as to drive the second pole 120 to rotate;The first pole 110 positioned at the outside of the second pole 120 is not rotatable, first In the presence of helicitic texture, straight up away from the second pole 120;Positioned at the inner side of the second pole 120 the 3rd pole 130 also not Rotatably, in the presence of the second helicitic texture, second is moved away to the downside opposite with the direction of motion of the first pole 110 Bar 120.Power set 140 control the second pole 120 to rotate, until the first pole 110 and the 3rd pole 130 are relatively distant to such as Extended state shown in Figure 14 and Figure 15.
With reference to shown in Fig. 1-Figure 15, the course of work of the adjustable for height lifting support provided the present invention does one specifically It is bright:
In the collapse state of the adjustable for height lifting support of the invention shown in Fig. 3 and Fig. 4, elevating lever 100 is contracted to Most short, slip working plate 220 is slid into retraction fixture 210.
When user is in seated position, it will slide in the self-retaining part 210 of working plate 220 and slide pull-out, you can be convenient Operate mouse-keyboard etc..
When user wants to be adjusted to standing state by seated position, operation is located at the switch slided on working plate 220 144, the second pole of task driven 120 of power set 140 rotates so that the first pole 110 and the 3rd pole 130 are moved away from, Because the relative work top of the 3rd pole 130 is fixedly installed, it finally moves result for the second pole 120 and the first pole 110 Stretch out upwards simultaneously;After opening to target location, user, which pulls, to be slided working plate 220 to pull it fixture 210 so that The adjustable for height lifting support of the present invention is in the open configuration shown in Fig. 1 and Fig. 2.
Compared with prior art, the adjustable for height lifting support that the present invention is provided, work is driven by an elevating lever 100 Platform 200 is moved up and down, and is adjusted with the height for realizing workbench 200;It is fixedly connected on the fixture at the liftable end of elevating lever 100 210 and slidably stretch out the workbench 200 that working plate 220 is constituted that slides of fixture 210 so that sliding working plate 220 can be with Elevating lever 100 is moved away from, to realize that the distance adjustment of user and workbench under two states is sat at station.There is provided according to the present invention Adjustable for height lifting support, easily can put or be installed on existing desk, elevating lever is folded when user sits down 100 and workbench 200, subscriber station stretch out elevating lever 100 and workbench 200 immediately, you can conveniently realize station sit two kinds use The switching of state, it is simple in construction and easy to use.First pole 110, the second pole 120 and the mutual sheathing of the 3rd pole 130, and Threaded connection between first pole 110, the second pole 120 and the 3rd pole 130 by the hand of spiral conversely, drives the second pole During 120 rotation, the first pole 110 and the 3rd pole 130 move towards elevating lever 100 and shunk, or the first pole 110 and the 3rd Bar 130 opposite to each other stretch out by motion elevating lever 100.Compared with prior art, elevating lever 100, the first pole 110, the second pole 120 and Threaded connection of 3rd pole 130 only by the hand of spiral conversely, it is simple in construction easy for installation, and in the process stretched out or shunk In, the second pole 120 is simultaneously mobile in fixed, the first pole 110 and the 3rd pole 130 in vertical direction so that stretchs out or receives The speed of contracting is quickly, and more stable.
Above disclosed is only the preferred embodiments of the present invention, can not limit the right of the present invention with this certainly Scope, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.

Claims (9)

1. a kind of adjustable for height lifting support, for operation post face is set to, to realize that it is dual-purpose that station is sat, it is characterised in that: The adjustable for height lifting support includes the elevating lever being fixedly installed and is connected to the elevating lever and with the elevating lever The workbench of lower movement;The elevating lever includes the first pole, the second pole and the 3rd pole linearly arranged, institute State the first pole and second pole in a tubular form;The inwall of first pole and the outer wall of second pole are correspondingly arranged There is the first helicitic texture, the outer wall of the 3rd pole and the inwall of second pole are correspondingly arranged on the second helicitic texture, And the hand of spiral of first helicitic texture and second helicitic texture is opposite.
2. adjustable for height lifting support as claimed in claim 1, it is characterised in that:The workbench includes being fixedly connected on The fixture at the liftable end of the elevating lever and the slip working plate for slidably stretching out the fixture.
3. adjustable for height lifting support as claimed in claim 2, it is characterised in that:The cross section of the fixture is in inversion It is U-shaped;The slip working plate, which is slided, to be stretched out described in the fixture or retraction in fixture.
4. adjustable for height lifting support as claimed in claim 2, it is characterised in that:The liftable end of the elevating lever is also set It is equipped with display.
5. adjustable for height lifting support as claimed in claim 4, it is characterised in that:The display is provided with by dorsal part The engagement rotating disk of engaging tooth is articulated in the elevating lever, and the elevating lever is correspondingly arranged on engages the tooth that rotating disk is meshed with described Bar;The adjustable for height lifting support also includes being used to drive the power unit that the rack is moved up and down.
6. adjustable for height lifting support as claimed in claim 2, it is characterised in that:The adjustable for height lifting support is also Including bottom plate, the fixing end of the elevating lever is fixedly connected on the bottom plate.
7. adjustable for height lifting support as claimed in claim 2, it is characterised in that:It is described that the elevating lever also includes driving The rotation of second pole is to realize power set that the elevating lever is flexible.
8. adjustable for height lifting support as claimed in claim 7, it is characterised in that:The power set are fixedly installed, and The output end of the power set is connected to end outer wall of second pole away from first pole.
9. adjustable for height lifting support as claimed in claim 8, it is characterised in that:The switch of the power set is controlled to set It is placed in the side that the slip working plate deviates from the elevating lever.
CN201510082750.2A 2015-02-13 2015-02-13 Adjustable for height lifting support Active CN104728570B (en)

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CN112535349B (en) * 2020-12-23 2022-06-03 南通大学 Lifting device and lifting method for notebook computer
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