CN209725710U - Support construction - Google Patents
Support construction Download PDFInfo
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- CN209725710U CN209725710U CN201821438825.1U CN201821438825U CN209725710U CN 209725710 U CN209725710 U CN 209725710U CN 201821438825 U CN201821438825 U CN 201821438825U CN 209725710 U CN209725710 U CN 209725710U
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- cam
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- holding mechanism
- lifting device
- power transmission
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Abstract
The utility model relates to mechanical support structure technical field more particularly to a kind of support constructions.The support construction, for the dynamic balance lifting of the object containing screen, including fixing support rack and lifting device；Lifting device includes up and down balance system mechanism and the holding mechanism for connecting the object containing screen；Up and down balance system mechanism includes elastic parts, cam, swing rod, flexible connecting member and power transmission connection part；When lifting device is moved along the short transverse of fixing support rack, up and down balance system mechanism can balance the upward power containing screen weight of object and lifting device weight, so that swing rod around cam the corresponding rotation of drive-connecting shaft and so that cam is linked together rotation, then cam follow respective roll around or release flexible connecting member, to change the arm of force of the elastic force size of elastic parts and the drive-connecting shaft axis of elastic force opposing cam.The purpose of this utility model is to provide support construction, with solve display existing in the prior art cannot in arbitrary height easily and fast with stopping the technical issues of.
Description
Technical field
The utility model relates to mechanical support structure technical field more particularly to a kind of support constructions.
Background technique
With the development of science and technology, during various displays are widely used to live now；Display is substantially with liquid at present
Crystal display is mainstream, and liquid crystal display is a kind of display of approximate plate, itself can not voluntarily stand, it is necessary to by branch
The support of the support devices such as support could use, and to be more convenient to use in actual use, big multi-display there is a need for being able to rise
Drop.
With the application that display deepens continuously in all trades and professions, it is merely capable of lifting and is no longer satisfied people to display
The demand of device；It can be in arbitrary height easily and fast with stopping, it has also become new pursuit of the people to display.
Therefore, the application provides a kind of new support construction regarding to the issue above, display can be made in arbitrary height
Easily and fast with stopping.
Utility model content
The purpose of this utility model is to provide support constructions, cannot be in office to solve display existing in the prior art
Meaning height easily and fast with stopping the technical issues of.
To achieve the goals above, the utility model provides following technical scheme；
Based on above-mentioned purpose, support construction provided by the utility model, for the dynamic balance lifting of the object containing screen, including admittedly
Determine support frame and lifting device；The lifting device can be moved along the short transverse of the fixing support rack；
The lifting device includes up and down balance system mechanism and holding mechanism；The up and down balance system mechanism is set to the receiving
In mechanism, and the holding mechanism is also used to connect the object containing screen；The lifting device is along the height side of the fixing support rack
To it is mobile when, the up and down balance system mechanism, which acts on the fixing support rack and generating, can balance the weight of object containing screen and described
The upward power of lifting device weight；
The up and down balance system mechanism includes elastic parts, cam, swing rod, flexible connecting member and power transmission connection part；It is described soft
Property connector and the power transmission connection part are flexible piece；
One end of the elastic parts is connect with the holding mechanism, the other end by the flexible connecting member with it is described convex
Wheel connection；The cam is rotationally articulated on the holding mechanism；One end of the swing rod is fixedly connected with the cam,
The other end is connect with one end of the power transmission connection part；The other end of the power transmission connection part is connect with the fixing support rack；
When the lifting device is moved along the short transverse of the fixing support rack, pivot joint of the swing rod around the cam
The corresponding rotation of axis simultaneously makes the cam link together rotation, then the cam follow respective roll around or the release flexible connection
Part, thus change the arm of force of the elastic force size of the elastic parts and the drive-connecting shaft axis of the relatively described cam of elastic force,
So that the power of the weight of object containing screen and the lifting device weight is balanced.
In any of the above-described technical solution, optionally, one end of drive-connecting shaft of the cam far from the cam is provided with
Connecting pin；One end of the flexible connecting member is connect with the connecting pin of the cam, and the other end is connect with the elastic parts；
The surface of the cam has type face varied sections；
When the lifting device is moved along the short transverse of the fixing support rack, pivot joint of the swing rod around the cam
The corresponding rotation of axis so that the cam links rotation together with the swing rod, thus respective roll around or the release flexible connection
Part, so that the flexible connecting member, which is gradually bonded, is gradually distance from type face varied sections perhaps to increase accordingly or reduce
The elastic force of the elastic parts, and the elastic force of the elastic parts is accordingly gradually reduced or is gradually increased simultaneously with respect to institute
The arm of force of the drive-connecting shaft axis of cam is stated, so that the power of the weight of object containing screen and the lifting device weight is balanced.
In any of the above-described technical solution, optionally, the power transmission connection part is chain or rope or band；
And/or the flexible connecting member is chain or rope or band.
In any of the above-described technical solution, optionally, the power transmission connection part is using chain or rope or band, the receiving
At least one output fixed pulley is articulated in mechanism；One end of chain or rope or band is connect with the fixing support rack, another
End is connect after changing power transmission direction around the output fixed pulley with the swing rod；
Alternatively, the power transmission connection part uses chain, at least one output chain gear is articulated on the holding mechanism；It is described
Output chain gear and chain engaged transmission；One end of chain is connect with the fixing support rack, and the other end bypasses the output chain gear
It is connect after changing power transmission direction with the swing rod；
Alternatively, the power transmission connection part uses synchronous belt；At least one synchronous pulley is articulated on the holding mechanism；Institute
State synchronous pulley and synchronous belt engaged transmission；One end of the synchronous belt is connect with the fixing support rack, the other end around
It crosses after the synchronous pulley changes power transmission direction and is connect with the swing rod.
In any of the above-described technical solution, optionally, the flexible connecting member is using chain or rope or band, the receiving
At least one input fixed pulley is articulated in mechanism；One end of chain or rope or band is connect with the elastic parts, the other end
It is connect after changing power transmission direction around the input fixed pulley with the cam；
Alternatively, the flexible connecting member uses chain, at least one input sprocket is articulated on the holding mechanism；It is described
Input sprocket and chain engaged transmission；One end of chain is connect with the elastic parts, and the other end changes around the input sprocket
It is connect after becoming power transmission direction with the cam；
Alternatively, the flexible connecting member uses synchronous belt；At least one synchronous pulley is articulated on the holding mechanism；Institute
State synchronous pulley and synchronous belt engaged transmission；One end of the synchronous belt is connect with the elastic parts, and the other end bypasses
The synchronous pulley is connect after changing power transmission direction with the cam.
In any of the above-described technical solution, optionally, the elastic parts connects including the first flexible connector, the second elasticity
Fitting and spring；
The spring is extension spring；The elastic force of the extension spring accordingly increases with the elongation of the extension spring
Add, is accordingly reduced with the shortening of the extension spring；
First flexible connector is connect with the holding mechanism；Second flexible connector is connected by the flexibility
Fitting is connect with the cam；
One or more described spring is set between first flexible connector and second flexible connector.
In any of the above-described technical solution, optionally, first flexible connector passes through adjustable with the holding mechanism
Save component connection；
The adjustable component can adjust distance between first flexible connector and second flexible connector,
To make the spring elongation or shorten to change the elastic force of the spring.
In any of the above-described technical solution, optionally, up and down balance system mechanism left and right in the holding mechanism is pairs of
Setting.
In any of the above-described technical solution, optionally, cunning is provided between the holding mechanism and the fixing support rack
Rail；
And/or the swing rod is structure as a whole with the cam.
In any of the above-described technical solution, optionally, the support construction further includes at least one constant force spring；It is described
The both ends of constant force spring are vertically connect with the fixing support rack and the lifting device respectively, make the lifting device downlink
When the elastic pulling force upward by the constant force spring.
By adopting the above technical scheme, the utility model has the beneficial effects that
Support construction provided by the utility model includes fixing support rack and lifting device；Wherein, lifting device includes rising
Balance mechanism and holding mechanism drop；When being moved by lifting device along the short transverse of fixing support rack, up and down balance system mechanism makees
For fixing support rack and the upward power of the weight of balance object containing screen and the weight of lifting device can be generated, it is light to realize
Operate the lifting of the object containing screen, easily and fast in arbitrary height with stopping.Specifically, height of the lifting device along fixing support rack
Spend direction it is mobile when, swing rod around cam the corresponding rotation of drive-connecting shaft and so that cam is linked together rotation, then cam is and then corresponding
Winding or release flexible connecting member, to change the elastic force size of elastic parts and the drive-connecting shaft axis of elastic force opposing cam
The arm of force of line, so that the torque that the object gravity containing screen and lifting device gravity that swing rod and power transmission connection part are born generate, it can
Dynamic equilibrium or basic dynamic equilibrium are remained on entire lifting travel with the torque of elastic parts elastic force, and then are made
Dynamic balance between the weight of object containing screen and lifting device weight and fixing support rack, to realize the liter of easy manipulation object containing screen
Drop, easily and fast in arbitrary height with stopping.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first structure diagram of support construction provided by the embodiment of the utility model；
Fig. 2 is the second structural schematic diagram of support construction provided by the embodiment of the utility model；
Fig. 3 is the partial enlarged view of the cam of support construction shown in Fig. 2, swing rod and flexible connecting member；
Fig. 4 is the area the A enlarged drawing of support construction shown in Fig. 2；
Fig. 5 is the third structural schematic diagram of support construction provided by the embodiment of the utility model.
Icon: 100- fixing support rack；200- up and down balance system mechanism；210- elastic parts；The first flexible connector of 211-；
The second flexible connector of 212-；213- spring；220- cam；The drive-connecting shaft of 221- cam；The connecting pin of 225- cam；230- pendulum
Bar；240- power transmission connection part；241- exports fixed pulley；250- flexible connecting member；251- inputs fixed pulley；Group is adjusted in 260-
Part；Supporting member is adjusted in 261-；262- adjustable screw；300- holding mechanism.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment
Referring to shown in Fig. 1-Fig. 5, a kind of support construction is present embodiments provided；Fig. 1, Fig. 2 and Fig. 5 mention for the present embodiment
Three kinds of structural schematic diagrams of the support construction of confession illustrate only a set of up and down balance system mechanism in figure；In order to clearly show that structure,
Fig. 3 is the partial enlarged view of the cam of support construction shown in Fig. 2, swing rod and flexible connecting member, and Fig. 4 is support shown in Fig. 2
The area the A enlarged drawing of structure.
It is glimmering to be used to support liquid crystal display, plasma screen, LCD TV, electronics for support construction provided in this embodiment
Curtain etc. object containing screen, the equipment that other can also be supported to need to support.Wherein, screen is also known as display, and the object containing screen can be with
It is interpreted as having or the object containing display.
In the present embodiment, refer in front of the object containing screen (object with display) in face of the position of display, after
Side refers to that the position back to display, left and right refer to the left and right directions in face of display, refers to display along solid up and down
The height for determining support frame moves up and down direction.
Referring to shown in Fig. 1-Fig. 5, support construction provided in this embodiment, the dynamic balance for the object containing screen is gone up and down, including
Fixing support rack 100 and lifting device；Lifting device can be moved along the short transverse of fixing support rack 100；
Lifting device includes up and down balance system mechanism 200 and holding mechanism 300；Wherein, up and down balance system mechanism 200 is set to
On holding mechanism 300, holding mechanism 300 is for connecting the object containing screen, so that the object containing screen is moved with the movement of holding mechanism 300
It is dynamic.Lifting device is moved along the short transverse of fixing support rack 100 namely 300 edge of up and down balance system mechanism 200 and holding mechanism
Fixing support rack 100 short transverse it is mobile.Optionally, the inside of holding mechanism 300 is arranged in up and down balance system mechanism 200.
When lifting device is moved along the short transverse of fixing support rack 100, up and down balance system mechanism 200 acts on fixed support
Frame 100 simultaneously generates the upward power that can balance the weight containing the weight and lifting device for shielding object；Wherein, the weight of lifting device
The weight of weight and holding mechanism 300 including up and down balance system mechanism 200.
Up and down balance system mechanism 200 includes that elastic parts 210, cam 220, swing rod 230, flexible connecting member 250 and power transmission connect
Fitting 240；
Optionally, one end of elastic parts 210 is connect with holding mechanism 300, the other end by flexible connecting member 250 with it is convex
220 connection of wheel；Optionally, cam 220 is connect with fixing support rack 100 by swing rod 230.
Optionally, cam 220 is rotationally articulated on holding mechanism 300 namely cam 220 can be around the pivot joint of cam
The axis of axis 221 rotates.
Optionally, one end of swing rod 230 is fixedly connected with cam 220, the other end and power transmission connection part 240 of swing rod 230
One end connection；The other end of power transmission connection part 240 is connect with fixing support rack 100；Optionally, power transmission connection part 240 is another
One end is fixedly connected with fixing support rack 100 or the other end of power transmission connection part 240 is pivotally connected with fixing support rack 100.
When lifting device is moved along the short transverse of fixing support rack 100, swing rod 230 is corresponding around the drive-connecting shaft 221 of cam
Rotation simultaneously makes cam 220 link together rotation, then cam 220 follow respective roll around or release flexible connecting member 250, to change
Become the arm of force of the elastic force size of elastic parts 210 and 221 axis of drive-connecting shaft of elastic force opposing cam, so that the object containing screen
The power of weight and lifting device weight is balanced.Namely so that containing the resultant force of weight of object and the lifting device weight is shielded whole
It is balanced on a lifting travel or substantially balances always.Optionally, increase or reduce elastic group by flexible connecting member 250
When the elastic force size of part 210, while the arm of force size of 221 axis of drive-connecting shaft of reduction or increase elastic force opposing cam.
In the optinal plan of the present embodiment, referring to shown in Fig. 1-Fig. 5, lifting device is along the height side of fixing support rack 100
To it is mobile when, namely the object containing screen and holding mechanism 300 move along the short transverse of fixing support rack 100, and swing rod 230 passes through biography
Power connector 240 acts on fixing support rack 100, at the same swing rod 230 around cam the corresponding rotation of drive-connecting shaft 221 and make cam
220 link rotation together, to change the elastic force size of elastic parts 210 and the drive-connecting shaft 221 of elastic force opposing cam
The arm of force of axis, to enable support construction pass through elasticity by the output torque of swing rod 230 and power transmission connection part 240 and support construction
The input torque dynamic equilibrium or basic dynamic equilibrium of component 210.
In the optinal plan of the present embodiment, referring to shown in Fig. 1-Fig. 5, lifting device is along the height side of fixing support rack 100
To it is mobile when, namely the object containing screen and holding mechanism 300 move along the short transverse of fixing support rack 100, and cam 220 is around cam
Drive-connecting shaft 221 axis rotation and when increasing or decreasing the elastic force of elastic parts 210, the arm of force of elastic force accordingly reduce or
Increase；Cam 220 be can be understood as around the axis rotation of the drive-connecting shaft 221 of cam, and increase the elastic force of elastic parts 210
Greatly, while the arm of force of drive-connecting shaft 221 axis of the moment of elasticity from cam accordingly reduces, and vice versa；With true to a certain extent
Protect support construction input torque and the dynamic equilibrium of output torque square or basic dynamic equilibrium in lifting.
Support construction described in the present embodiment includes fixing support rack 100 and lifting device；Wherein, lifting device includes rising
Balance mechanism 200 and holding mechanism 300 drop；When being moved by lifting device along the short transverse of fixing support rack 100, lifting
Balance mechanism 200 acts on fixing support rack 100 and can generate weight of the balance containing the weight and lifting device for shielding object
Upward power, to realize the lifting of easy manipulation object containing screen, easily and fast in arbitrary height with stopping.Specifically, lifting dress
Set when being moved along the short transverse of fixing support rack 100, swing rod 230 around cam the corresponding rotation of drive-connecting shaft 221 and make cam 220
Link rotation together, then cam 220 follow respective roll around or release flexible connecting member 250, to change elastic parts 210
The arm of force of 221 axis of drive-connecting shaft of elastic force size and elastic force opposing cam, so that swing rod 230 and power transmission connection part 240
The torque that the object gravity containing screen and lifting device gravity born generates, can be with the torque of 210 elastic force of elastic parts whole
Dynamic equilibrium or basic dynamic equilibrium are remained on a lifting travel, and then make the weight of object containing screen and lifting device weight
With the dynamic balance between fixing support rack 100, with realize easy manipulation containing screen object lifting, easily and fast in arbitrary height
With stopping.
In the optinal plan of the present embodiment, swing rod 230 is structure as a whole with cam 220, such as is integrally formed, can also be with
It is fixedly connected with cam 220 by modes such as welding, screw, rivet or keys for swing rod 230.
Referring to figures 1-3, shown in Fig. 5, in the optinal plan of the present embodiment, drive-connecting shaft 221 one of the cam 220 far from cam
End is provided with connecting pin；
One end of flexible connecting member 250 and the connecting pin 225 of cam connect, the other end and elasticity of flexible connecting member 250
Component 210 connects.
The surface of cam 220 has type face varied sections；Type face varied sections are for contacting or being detached from flexible connecting member
250。
When lifting device is moved along the short transverse of fixing support rack 100, swing rod 230 is corresponding around the drive-connecting shaft 221 of cam
Link rotation so that cam 220 together accordingly linkage rotation, thus respective roll around or release flexible connecting member 250 so that flexible
Connector 250 is gradually bonded the elasticity for being gradually distance from type face varied sections perhaps to increase accordingly or reduce elastic parts 210
Power, and be accordingly gradually reduced or be gradually increased simultaneously 221 axis of drive-connecting shaft of the elastic force opposing cam of elastic parts 210
The arm of force, so that the power of the weight of object containing screen and lifting device weight is balanced, so that 210 elasticity of output torque and elastic parts
The input torque of power remains dynamic equilibrium or basic dynamic equilibrium on entire lifting travel, and then makes the object weight containing screen
Amount and the dynamic balance between lifting device weight and fixing support rack 100, to realize the lifting, conveniently of easy manipulation object containing screen
Quickly in arbitrary height with stopping.
That is, when lifting device is moved along the short transverse of fixing support rack 100, the accordingly linkage rotation of cam 220
To make flexible connecting member 250 be wound and gradually fit type face varied sections, to increase the elastic force of elastic parts 210, and
It is accordingly gradually reduced the arm of force of 221 axis of drive-connecting shaft of the elastic force opposing cam of elastic parts 210 simultaneously；Vice versa.
It should be noted that type face varied sections are a drive-connecting shaft axis radiuses or song for profile surface each point opposing cam
The curved sections of rate variation, the section can be smooth surface, can also be wheel dentation by the variation tendency in its type face；Such as in order to cooperate
Flexible connecting member 250 with wheel dentation, correspondingly, type face varied sections have wheel dentation.
In the optinal plan of the present embodiment, flexible connecting member 250 is flexible piece, flexible member；Optionally, flexible connecting member
250 be chain, rope or band.
In the optinal plan of the present embodiment, power transmission connection part 240 is flexible piece, flexible member；Optionally, power transmission connection part
240 be chain, rope or band.
Optionally, band is metal tape, plastic tape, conveyer belt, rubber strip perhaps synchronous belt or other ribbons；It is optional
Ground, band can have tooth, can also not have tooth.
In the optinal plan of the present embodiment, power transmission connection part 240 uses chain or rope or band, pivot on holding mechanism 300
It is connected at least one output fixed pulley 241；One end of chain or rope or band is connect with fixing support rack 100, and the other end bypasses
Output fixed pulley is connect after changing power transmission direction with swing rod 230；By output fixed pulley 241 to change power transmission connection part 240
Power transmission direction.Wherein, band includes metal tape, plastic tape, conveyer belt, rubber strip perhaps synchronous belt or other ribbons；It is optional
Ground, band can have tooth, can also not have tooth.Optionally, it is for 1 or multiple to export the quantity of fixed pulley 241；Such as it is defeated
The quantity of fixed pulley 241 is 1,2 or 4 etc. out.The particular number for exporting fixed pulley 241 can be according to holding mechanism 300
Size, 230 size and shape of swing rod, depending on the size of fixing support rack 100 etc. factor.
In the optinal plan of the present embodiment, power transmission connection part 240 uses chain, and it is defeated to be articulated at least one on holding mechanism
Sprocket wheel out；Output chain gear and chain engaged transmission；One end of chain is connect with fixing support rack 100, and the other end is around output chain
Wheel is connect after changing power transmission direction with swing rod 230.Optionally, the quantity of output chain gear is for 1 or multiple；Such as output chain gear
Quantity be 1,2 or 4 etc..The particular number of output chain gear can size according to holding mechanism 300,230 ruler of swing rod
Depending on very little and shape, the size of fixing support rack 100 etc. factor.
In the optinal plan of the present embodiment, power transmission connection part 240 uses synchronous belt；At least one is articulated on holding mechanism
Synchronous pulley；Synchronous pulley and synchronous belt engaged transmission；One end of synchronous belt is connect with fixing support rack 100, and the other end bypasses
Synchronous pulley is connect after changing power transmission direction with swing rod 230.Optionally, the quantity of synchronous pulley is for 1 or multiple；Such as it is same
The quantity for walking belt wheel is 1,2 or 4 etc..The particular number of synchronous pulley can be according to the size of holding mechanism 300, pendulum
Depending on 230 size and shape of bar, the size of fixing support rack 100 etc. factor.
In the optinal plan of the present embodiment, flexible connecting member 250 uses chain or rope or band, pivot on holding mechanism 300
It is connected at least one input fixed pulley 251；One end of chain or rope or band is connect with elastic parts 210, and the other end is around defeated
Enter after fixed pulley changes power transmission direction and is connect with cam 220；Change the biography of flexible connecting member 250 by input fixed pulley 251
Power direction.Wherein, band includes metal tape, plastic tape, conveyer belt, rubber strip perhaps synchronous belt or other ribbons；It is optional
Ground, band can have tooth, can also not have tooth.Optionally, it is for 1 or multiple to input the quantity of fixed pulley 251；Such as it is defeated
The quantity for entering fixed pulley 251 is 1,2 or 4 etc..The particular number for inputting fixed pulley 251 can be according to holding mechanism 300
The distance between size, cam 220 and elastic parts 210, cam 220 shape etc. factor depending on.
In the optinal plan of the present embodiment, flexible connecting member 250 uses chain, and it is defeated to be articulated at least one on holding mechanism
Enter sprocket wheel；Input sprocket and chain engaged transmission；One end of chain is connect with elastic parts, and the other end is around input sprocket change
It is connect behind power transmission direction with cam 220.Optionally, the quantity of input sprocket is for 1 or multiple；Such as the quantity of input sprocket
It is 1,2 or 4 etc..The particular number of input sprocket can be according to the size of holding mechanism 300, cam 220 and elastic group
Depending on the shape of the distance between part 210, cam 220 etc. factor.
In the optinal plan of the present embodiment, flexible connecting member 250 uses synchronous belt；At least one is articulated on holding mechanism
Synchronous pulley；Synchronous pulley and synchronous belt engaged transmission；One end of synchronous belt is connect with elastic parts, and the other end bypasses synchronous belt
Wheel is connect after changing power transmission direction with cam 220.Optionally, the quantity of synchronous pulley is for 1 or multiple；Such as synchronous pulley
Quantity be 1,2 or 4 etc..The particular number of synchronous pulley can according to the size of holding mechanism 300, cam 220 with
Depending on the shape of the distance between elastic parts 210, cam 220 etc. factor.
Referring to shown in Fig. 1, Fig. 2, Fig. 4 and Fig. 5, in the optinal plan of the present embodiment, elastic parts 210 includes the first bullet
Property connector 211, the second flexible connector 212 and spring 213；
First flexible connector 211 is connect with holding mechanism 300；Second flexible connector 212 passes through flexible connecting member 250
It is connect with cam 220；
One or more spring 213 is set between first flexible connector 211 and the second flexible connector 212.Pass through
First flexible connector 211 and the second flexible connector 212, in order to elastic parts 210 respectively with holding mechanism 300 and convex
The connection of wheel 220, is also convenient for that one or more is arranged between the first flexible connector 211 and the second flexible connector 212
Spring 213 is conducive to the elastic force according to spring 213, adjusts the quantity of spring 213 containing factors such as the weight for shielding object.Institute
Stating spring 213 is extension spring；The elastic force of the extension spring is increase accordingly with the elongation of the extension spring, with institute
It states the shortening of extension spring and accordingly reduces.
Support construction described in the present embodiment can be filled in lifting by cam 220 and the elastic parts with spring 210
Set when being moved along the short transverse of fixing support rack 100, swing rod 230 around cam the corresponding rotation of drive-connecting shaft and drive cam 220
Link rotation, thus the elastic force size and elastic force phase that change spring 213 by winding or discharging flexible connecting member 250
To the arm of force of 221 axis of drive-connecting shaft of cam；So that the power of the weight of object containing screen and lifting device weight is balanced, so that output
The input torque of torque and 210 elastic force of elastic parts remains dynamic equilibrium or basic dynamic on entire lifting travel
Balance, and then make the dynamic balance between the weight of object containing screen and lifting device weight and fixing support rack 100, to realize easily behaviour
Make the lifting of the object containing screen, easily and fast in arbitrary height with stopping.
Optionally, spring is extension spring；The elastic force of extension spring is increase accordingly with the elongation of extension spring, namely
The elastic force of extension spring increases with the stretching distance of extension spring and is increase accordingly；Vice versa, such as the elasticity of extension spring
Power is accordingly reduced with the shortening of extension spring namely the elastic force of extension spring is reduced and phase with the stretching distance of extension spring
It should reduce.The common constant force spring that the prior art is replaced by using extension spring, can extend elastic parts 210 uses the longevity
Lifting force is ordered and can be adjusted when needed, to adapt to hang the object containing screen of different weight.It the use of constant force spring is that can not adjust
Save lifting force.
In the optinal plan of the present embodiment, in order to make support construction be adapted to the object containing screen of wider different weight
Body, 210 elastic force of elastic parts can adjust in a certain range.
For example, the first flexible connector 211 is connect with holding mechanism 300 by adjustable component 260；Adjustable component
260 can adjust distance between the first flexible connector 211 and the second flexible connector 212, to make spring elongation or contracting
The short elastic force to change spring.
By adjustable component 260, in order to adjust the initial elasticity power of elastic parts 210, so that support construction can be with
Adapt to the object containing screen of wider variation weight.For example, containing screen object be 40kg when, by adjust adjustable component 260 with
The initial elasticity power for changing elastic parts 210 bears the gravity and liter of the object containing screen by swing rod 230 and power transmission connection part 240
The gravity of falling unit, and then can be with 210 bullet of elastic parts by the output torque that swing rod 230 and power transmission connection part 240 generate
The input torque of property power remains dynamic equilibrium or basic dynamic equilibrium on entire lifting travel, to realize easy manipulation
The lifting of the object containing screen, easily and fast in arbitrary height with stopping.When the object containing screen is 60kg, by adjusting adjustable component
260 to increase the initial elasticity power of elastic parts 210, and the weight of the object containing screen is born by swing rod 230 and power transmission connection part 240
The gravity of power and lifting device, and then still can be with bullet by the output torque that swing rod 230 and power transmission connection part 240 generate
The input torque of property 210 elastic force of component remains dynamic equilibrium or basic dynamic equilibrium on entire lifting travel, with
Realize the lifting of easy manipulation object containing screen, easily and fast in arbitrary height with stopping.
Shown in Figure 4, optionally, adjustable component 260 includes adjustable supporting member 261 and adjustable screw 262；It can
The setting of supporting member 261 is adjusted in 300 outside of holding mechanism, the first flexible connector 211 is arranged in 300 the inside of holding mechanism,
And adjustable supporting member 261 is connected on holding mechanism 300；First flexible connector 211 is fixedly installed nut or first
Flexible connector 211 has threaded hole；Adjustable screw 262 passes through adjustable 211 spiral shell of supporting member 261 and the first flexible connector
It connects.By rotating adjustable screw 262, to change adjustable the distance between supporting member 261 and the first flexible connector 211,
To change the tensile elongation between the first flexible connector 211 and the second flexible connector 212.Optionally, elastic parts 210
213 original state of spring be in tensional state, spring 213 has initial elasticity power, so that adjustable supporting member 261 can abut
On supporting element.
It will be appreciated by persons skilled in the art that the present embodiment can also adjust bullet using other adjustable components 260
The initial elasticity power of property component 210.
In the optinal plan of the present embodiment, the quantity of up and down balance system mechanism 200 is one or more.
Optionally, up and down balance system mechanism 200 is arranged in pairs.
In the optinal plan of the present embodiment, holding mechanism 300 is equipped with up and down balance system mechanism 200；Up and down balance system mechanism 200
Left and right is arranged in pairs in holding mechanism 300.Using such design, contain screen object can cancel out each other to a certain extent
Around the deflecting force of the axis perpendicular to screen, reduce or avoid containing screen object deflection, improve support construction lift adjustment when
Stability.
Optionally, the quantity of up and down balance system mechanism 200 is one, and a up and down balance system mechanism 200 is arranged in holding mechanism
It is reduced with that can reduce or avoid to a certain extent the Objects around A containing screen perpendicular to the deflecting force of the axis of screen 300 centre
Or the deflection of the object containing screen is avoided, improve stability when support construction lift adjustment.
In the optinal plan of the present embodiment, sliding rail is provided between holding mechanism 300 and fixing support rack 100.Optionally,
Sliding rail includes bearing sliding rail perhaps ball slide rail or other sliding rail or track.
In the optinal plan of the present embodiment, the support construction may include at least one constant force spring (because being easier to manage
Solve, do not shown in figure), the both ends of the constant force spring are vertically connect with fixing support rack and lifting device respectively, are made described
The elastic pulling force upward by constant force spring when lifting device downlink.This can be used in this support construction being not required to adjusting lifting
The generation of the part force value of power, to share a part of power generated by extension spring.For example this support construction requires to bear
70 Kgfs maximum, kilogram need are adjustable from 40 kilograms to 70, then are not required to force adjustment for this 40 kilograms, can be undertaken with those constant force springs
It is part or all of this 40 kilograms, smaller to mitigate the burden of extension spring and be conducive to the error that lifting force changes after force adjustment.
The prior art carries out the flat of power to the weight of the object containing screen and the weight of itself lifting device only with constant force spring
Weighing apparatus, but the constant force spring service life it is short and can not force adjustment, when use can not adapt to hang the screen of different weight.It is supported described in the present embodiment
Structure by elastic parts, cam, swing rod, power transmission connection part and flexible connecting member, or passes through elastic parts, cam, pendulum
Bar, power transmission connection part, flexible connecting member and constant force spring, the spring life of elastic parts is longer, extends support construction
Service life can also adjust the object containing screen that equilibrant force adapts to hang different weight.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.In addition, it will be appreciated by those of skill in the art that although some implementations described herein
Example includes certain features included in other embodiments rather than other feature, but the group of the feature of different embodiments is desirable
Taste within the scope of the utility model and form different embodiments.For example, in claims above, institute
Claimed embodiment it is one of any can in any combination mode come using.It is disclosed in the background technology part
Information is merely intended to deepen the understanding to the general background technology of the utility model, and is not construed as recognizing or with any shape
Formula implies that the information constitutes the prior art known to those skilled in the art.
Claims (10)
1. a kind of support construction, the dynamic balance lifting for the object containing screen, which is characterized in that including fixing support rack and lifting dress
It sets；The lifting device can be moved along the short transverse of the fixing support rack；
The lifting device includes up and down balance system mechanism and holding mechanism；The up and down balance system mechanism is set to the holding mechanism
On, and the holding mechanism is also used to connect the object containing screen；The lifting device is moved along the short transverse of the fixing support rack
When dynamic, the up and down balance system mechanism, which acts on the fixing support rack and generates, can balance the weight of object containing screen and the lifting
The upward power of installation weight；
The up and down balance system mechanism includes elastic parts, cam, swing rod, flexible connecting member and power transmission connection part；The flexibility is even
Fitting and the power transmission connection part are flexible piece；
One end of the elastic parts is connect with the holding mechanism, and the other end is connected by the flexible connecting member and the cam
It connects；The cam is rotationally articulated on the holding mechanism；One end of the swing rod is fixedly connected with the cam, another
End is connect with one end of the power transmission connection part；The other end of the power transmission connection part is connect with the fixing support rack；
When the lifting device is moved along the short transverse of the fixing support rack, drive-connecting shaft phase of the swing rod around the cam
Answer rotation and the cam made to link together rotation, then the cam follow respective roll around or the release flexible connecting member,
To change the arm of force of the elastic force size of the elastic parts and the drive-connecting shaft axis of the relatively described cam of elastic force, so that
The power of the weight of object containing screen and the lifting device weight is balanced.
2. support construction according to claim 1, which is characterized in that the one of drive-connecting shaft of the cam far from the cam
End is provided with connecting pin；One end of the flexible connecting member is connect with the connecting pin of the cam, the other end and the elastic group
Part connection；
The surface of the cam has type face varied sections；
When the lifting device is moved along the short transverse of the fixing support rack, drive-connecting shaft phase of the swing rod around the cam
Answer rotation so that the cam links rotation together with the swing rod, thus respective roll around or the release flexible connecting member, with
It is bonded the flexible connecting member gradually and is gradually distance from type face varied sections perhaps to increase accordingly or reduce the bullet
The elastic force of property component, and the relatively described cam of elastic force for being accordingly gradually reduced or being gradually increased simultaneously the elastic parts
Drive-connecting shaft axis the arm of force so that the weight of object containing screen and the power of the lifting device weight are balanced.
3. support construction according to claim 1, which is characterized in that the power transmission connection part is chain or rope or band；
And/or the flexible connecting member is chain or rope or band.
4. support construction according to claim 3, which is characterized in that the power transmission connection part using chain or rope or
Band is articulated at least one output fixed pulley on the holding mechanism；One end of chain or rope or band and the fixed support
Frame connection, the other end are connect after changing power transmission direction around the output fixed pulley with the swing rod；
Alternatively, the power transmission connection part uses chain, at least one output chain gear is articulated on the holding mechanism；The output
Sprocket wheel and chain engaged transmission；One end of chain is connect with the fixing support rack, and the other end is around output chain gear change
It is connect behind power transmission direction with the swing rod；
Alternatively, the power transmission connection part uses synchronous belt；At least one synchronous pulley is articulated on the holding mechanism；It is described same
Walk belt wheel and synchronous belt engaged transmission；One end of the synchronous belt is connect with the fixing support rack, and the other end bypasses institute
It states after synchronous pulley changes power transmission direction and is connect with the swing rod.
5. support construction according to claim 3, which is characterized in that the flexible connecting member using chain or rope or
Band is articulated at least one input fixed pulley on the holding mechanism；One end of chain or rope or band and the elastic parts
Connection, the other end are connect after changing power transmission direction around the input fixed pulley with the cam；
Alternatively, the flexible connecting member uses chain, at least one input sprocket is articulated on the holding mechanism；The input
Sprocket wheel and chain engaged transmission；One end of chain is connect with the elastic parts, and the other end changes around the input sprocket to be passed
It is connect behind power direction with the cam；
Alternatively, the flexible connecting member uses synchronous belt；At least one synchronous pulley is articulated on the holding mechanism；It is described same
Walk belt wheel and synchronous belt engaged transmission；One end of the synchronous belt is connect with the elastic parts, and the other end is around described
Synchronous pulley is connect after changing power transmission direction with the cam.
6. support construction according to claim 1, which is characterized in that the elastic parts include the first flexible connector,
Second flexible connector and spring；
The spring is extension spring；The elastic force of the extension spring is increase accordingly with the elongation of the extension spring, with
The shortening of the extension spring and accordingly reduce；
First flexible connector is connect with the holding mechanism；Second flexible connector passes through the flexible connecting member
It is connect with the cam；
One or more described spring is set between first flexible connector and second flexible connector.
7. support construction according to claim 6, which is characterized in that first flexible connector and the holding mechanism
It is connected by adjustable component；
The adjustable component can adjust distance between first flexible connector and second flexible connector, thus
Make the spring elongation or shortens to change the elastic force of the spring.
8. support construction according to claim 1, which is characterized in that the up and down balance system mechanism is in the holding mechanism
Left and right is arranged in pairs.
9. support construction according to claim 1, which is characterized in that between the holding mechanism and the fixing support rack
It is provided with sliding rail；
And/or the swing rod is structure as a whole with the cam.
10. support construction according to claim 1, which is characterized in that further include at least one constant force spring；The constant force
The both ends of spring are vertically connect with the fixing support rack and the lifting device respectively, when making the lifting device downlink by
The elastic pulling force upward to the constant force spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438825.1U CN209725710U (en) | 2018-09-03 | 2018-09-03 | Support construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438825.1U CN209725710U (en) | 2018-09-03 | 2018-09-03 | Support construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725710U true CN209725710U (en) | 2019-12-03 |
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ID=68659997
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438825.1U Expired - Fee Related CN209725710U (en) | 2018-09-03 | 2018-09-03 | Support construction |
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| Country | Link |
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| CN (1) | CN209725710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377770A (en) * | 2020-11-13 | 2021-02-19 | 黄秀金 | Big data server convenient to remove |
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2018
- 2018-09-03 CN CN201821438825.1U patent/CN209725710U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377770A (en) * | 2020-11-13 | 2021-02-19 | 黄秀金 | Big data server convenient to remove |
| CN112377770B (en) * | 2020-11-13 | 2022-03-15 | 辽宁民为先物联科技发展有限公司 | Big data server convenient to remove |
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Granted publication date: 20191203 Termination date: 20210903 |