CN209621790U - A kind of lifting column and hoistable platform - Google Patents
A kind of lifting column and hoistable platform Download PDFInfo
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- CN209621790U CN209621790U CN201822268006.3U CN201822268006U CN209621790U CN 209621790 U CN209621790 U CN 209621790U CN 201822268006 U CN201822268006 U CN 201822268006U CN 209621790 U CN209621790 U CN 209621790U
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- sliding block
- screw rod
- quiet sliding
- lifting column
- middle pipe
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Abstract
The utility model provides a kind of lifting column and hoistable platform, including inner tube, middle pipe, outer tube and drive assembly, the first quiet sliding block is equipped between middle pipe and inner tube, the second quiet sliding block is equipped between middle pipe and outer tube, first quiet sliding block is equipped with the first positioning column, second quiet sliding block is equipped with the second positioning column, inner tube is equipped with the first positioning hole cooperated with the first positioning column, middle pipe is equipped with the second location hole cooperated with the second positioning column, first quiet sliding block and the second quiet sliding block are equipped with multiple, the length of first quiet sliding block is L1, the length of second quiet sliding block is L2, 30mm≤L1≤200mm, 30mm≤L2≤200mm, first quiet sliding block and middle pipe, the contact length of inner tube is longer, second quiet sliding block and middle pipe, the contact length of outer tube is longer, only need to be arranged one group of first quiet sliding block and one group Two quiet sliding blocks can guarantee mobile stabilization, reduces the burr in inner tube and middle pipe, avoids because burr retracts in lifting process, so that the lifting of lifting column is relatively reliable.
Description
Technical field
The utility model relates to lifting column technical field more particularly to a kind of lifting columns and hoistable platform.
Background technique
Lifting column is gone up and down at present because the advantages of height is adjustable, convenient in carrying is widely applied in daily life
Between the inner tube of column and middle pipe, quiet sliding block can be all installed between middle pipe and outer tube, quiet sliding block is generally arranged two groups, two groups of quiet cunnings
Spaced apart above and below block, two groups of quiet sliding blocks play the role of support to two adjacent pipes, so that between inner tube and middle pipe,
Movement between middle pipe and outer tube is more stable, will not generate shaking, and general quiet sliding block is equipped with locating shaft, in inner tube and middle pipe
Location hole is set, and quiet sliding block is fixed between the two tubes by locating shaft and location hole cooperation, and existing lifting column is safety
Consider the function of being all provided with the rollback that is hampered, location hole can generate burr in process, and lifting column is in lifting process
Burr on location hole is easy to produce friction, so that lifting column generates rollback, causes the lifting of lifting column less reliable.
Utility model content
The purpose of this utility model is to provide a kind of reliable lifting column of lifting and hoistable platforms.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of lifting column, including inner tube, in
Pipe, outer tube and telescopic drive assembly are equipped with the first quiet sliding block between middle pipe and inner tube, second is equipped between middle pipe and outer tube
Quiet sliding block, the first quiet sliding block are equipped with the first positioning column, and the second quiet sliding block is equipped with the second positioning column, and inner tube is equipped with and first
The first positioning hole of positioning column cooperation, middle pipe are equipped with the second location hole cooperated with the second positioning column, wherein described first is quiet
Sliding block is equipped with multiple and being provided at circumferentially spaced along inner tube, and the second quiet sliding block is equipped with multiple and sets along the circumferentially-spaced of middle pipe
It sets, the length of the first quiet sliding block is L1, and the length of the second quiet sliding block is L2,30mm≤L1≤200mm, 30mm≤L2≤200mm.
Further, the lifting column is rectangular lifting column, the vertical projection of the first quiet sliding block and the second quiet sliding block
It is " ┐ " shape, the first quiet sliding block is located at the corner of inner tube, and the second quiet sliding block is located at the corner of middle pipe.
Further, the drive assembly includes the first screw rod, the second screw rod, the first biography being set in outside the first screw rod
It moves casing and the driving device for driving the first transmission sleeve rotating, the first screw rod is set close to the fixation of one end of driving device
It sets, the second screw rod is fixedly installed far from one end of driving device, the second transmission casing is equipped between the first screw rod and the second screw rod,
Second transmission casing and the first transmission casing can synchronous rotary and the first transmission casing and second be driven casing can axially phase
To stretching, the both ends of the second transmission casing are sequentially connected with the first screw rod, the second wire rod thread respectively.
Further, the second transmission casing and the second screw rod are sequentially connected by the second nut thread, the second nut
Outside be equipped with limitation the second nut and middle pipe relative axial position locking structure.
Further, the side wall of the locking structure is equipped with connecting hole, and the second positioning column passes through second location hole and company
Hole cooperation is connect to limit the relative axial position of locking structure Yu middle pipe.
Further, the locking structure includes the first locking block and the second locking block, the first locking block and the second locking
Block obvolvent forms accommodation groove, and the second nut is located in accommodation groove.
Further, the inner hollow of first screw rod forms the telescopic cavity protruded into for the second screw rod；Alternatively, described
The inner hollow of two screw rods forms the telescopic cavity protruded into for the first screw rod.
Further, the driving device includes motor and the transmission component with electric machine shaft driving cooperation, transmission component packet
Driving member is included, driving member is equipped with spline, the first transmission casing and spline drived cooperation and synchronous rotary.
Further, the described first quiet sliding block is shiny surface close to the side of middle pipe, and the second quiet sliding block is close to the one of outer tube
Side is shiny surface.
The invention also discloses a kind of hoistable platforms to rise including table top and the lifting column being supported in below table top
Dropping column is the lifting column in any above-mentioned technical proposal.
After adopting the above technical scheme, the utility model has the advantages that
1, the first quiet sliding block and middle pipe, interior by being arranged the length of the first quiet sliding block in the range of 30mm to 200mm
The contact length of pipe is longer, so that mobile comparison between inner tube and middle pipe is stablized, no setting is required two groups of quiet sliding blocks up and down are only needed
Being arranged one group can guarantee mobile stabilization between inner tube and middle pipe, so that the processing of lifting column is simpler, while to the greatest extent may be used
Energy ground reduces the burr in inner tube, avoids lifting column in lifting process because burr retracts, so that lifting column
Lifting it is relatively reliable.Similarly, in the range of the length of the second quiet sliding block being also disposed at 30mm to 200mm, so that lifting is vertical
The processing of column is more convenient, while the burr being reduced as far as on middle pipe, further improve lifting column lifting can
By property.When the length of the first quiet sliding block is less than 30mm, the contact length between the first quiet sliding block and inner tube, middle pipe is inadequate, no
It can guarantee between inner tube and middle pipe mobile stabilization, it is the second quiet sliding block and middle pipe, outer when the length of the second quiet sliding block is less than 30mm
Contact length between pipe is inadequate, it cannot be guaranteed that mobile between middle pipe and outer tube stablize；When the first quiet sliding block and the second quiet sliding block
Length be greater than 200mm when, when lifting column be in extended state, the first quiet sliding block still need to be between inner tube and middle pipe,
Second quiet sliding block is still needed between middle pipe and outer tube so that between inner tube and middle pipe, between middle pipe and outer tube overlap length compared with
It is long, reduce the stroke of lifting column.
It 2, is " ┐ " shape by the vertical projection that quiet sliding block is arranged, so that each quiet sliding block can match with two faces
It closes, the stability moved between inner tube and middle pipe, between middle pipe and outer tube is further promoted, so that the lifting of lifting column is more
Reliably.
3, it is fixedly installed by the first screw rod and the second screw rod, driving device drives the first transmission sleeve rotating, and first passes
Dynamic casing and the second transmission casing synchronous rotary, the second transmission casing and the transmission of the first wire rod thread cooperate, because the first screw rod is solid
It is fixed, so that the second transmission casing is gone up and down along the axial direction of the first screw rod, realize the second transmission casing and the first transmission casing
Between it is flexible, the second transmission casing and the transmission of the second wire rod thread cooperate, because the second screw rod is fixed, so that second is driven casing
It is gone up and down, is realized flexible between the second transmission casing and the second screw rod along the axial direction of the second screw rod.First screw rod and
Two screw rods are without processing internal spline, and because two screw rods are all not necessarily to rotate, without installing bearing so that the structure of drive assembly compared with
Be it is simple, processing and assembly it is all more convenient.
4, by setting locking structure, so that the second nut is with middle pipe, position is fixed in the axial direction, so that the second spiral shell
When mother goes up and down along the second screw rod, can be driven by the second nut in Guan Yidong, manage in realization flexible between inner tube.
5, by the way that connecting hole is arranged in locking structure, the second positioning column passes through second location hole and cooperates with connecting hole to limit
The relative axial position of locking structure and middle pipe processed, without in addition setting connection structure, so that the structure of lifting column is simpler
It is single, compact.
6, by setting telescopic cavity, when drive assembly is in contraction state, two screw rods are in overlap condition, so that passing
The minimum length of dynamic assembly is short as much as possible, increases the telescopic distance of drive assembly.
7, driving device includes motor and transmission component, and motor drives transmission component transmission, the spline band in transmission component
Dynamic first transmission casing synchronous rotary, when so that driving device working, the first transmission casing can rotate.
It 8, is shiny surface close to the side of middle pipe by the first quiet sliding block of setting, the second quiet sliding block is close to the side of outer tube
Shiny surface reduces the friction between inner tube and middle pipe, between middle pipe and outer tube, so that the lifting of lifting column is more smooth.
9, the invention also discloses a kind of hoistable platform, including table top and the lifting column being supported in below table top,
Lifting column is the lifting column in any above-mentioned technical proposal, because the lifting of the lifting column is reliable, so that lifting
Platform using relatively reliable.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the explosive view of lifting column described in the utility model.
Fig. 2 is the cross-sectional view of lifting column described in the utility model.
Fig. 3 is the enlarged drawing of A in Fig. 2.
Fig. 4 is the enlarged drawing of B in Fig. 2.
Fig. 5 is the structural schematic diagram of locking structure in lifting column described in the utility model.
Fig. 6 is the structural schematic diagram of the first quiet sliding block in lifting column described in the utility model.
Fig. 7 is the cross-sectional view of drive assembly in lifting column described in the utility model.
Fig. 8 is the explosive view of drive assembly in lifting column described in the utility model.
Fig. 9 is the enlarged drawing of C in Fig. 7.
Figure 10 is the explosive view of driving device in lifting column described in the utility model.
Marked the names of the parts are as follows in figure:
1, the first screw rod；11, screw；12, linkage section；13, transition shoulder；2, the second screw rod；21, telescopic cavity；3, first
It is driven casing；4, driving device；41, cabinet；42, motor；421, motor shaft；43, transmission component；431, driving member；4311, snail
Wheel；4312, spline；4313, mounting hole；4314, upper limit step；4315, lower limit step；432, fixing seat；4321, center
Axis；4322, installation cavity；433, cover board；5, the second transmission casing；51, the first nut；52, the second nut；53, place-limited edge；54,
Limiting groove；61, inner tube；611, first positioning hole；62, middle pipe；621, second location hole；63, outer tube；631, bottom plate；7, it embraces
Fast knot structure；71, the first locking block；72, the second locking block；73, connecting hole；8, the first quiet sliding block；81, the first positioning column；9,
Two quiet sliding blocks；91, the second positioning column.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It is to be appreciated that following
The indicating positions such as "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom"
Or the word of positional relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of describing the utility model and simplification
Description, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and be grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 10, the utility model provides a kind of lifting column, including inner tube 61, middle pipe 62, outer tube 63 and
Telescopic drive assembly is equipped with the first quiet sliding block 8 between middle pipe 62 and inner tube 61, second is equipped between middle pipe 62 and outer tube 63
Quiet sliding block 9, the first quiet sliding block 8 are equipped with the first positioning column 81, and the second quiet sliding block 9 is equipped with the second positioning column 92, in inner tube 61
Equipped with first positioning hole 611, the axial position of first positioning hole 611 and the first positioning column 81 cooperation the first quiet sliding block 8 of limitation, in
Pipe 62 is equipped with second location hole 621, the axial direction of second location hole 621 and the second positioning column 92 cooperation the second quiet sliding block 9 of limitation
Position, the first quiet sliding block 8 are equipped with multiple and being provided at circumferentially spaced along inner tube 61, guarantee to move between inner tube 61 and middle pipe 62
Compare steadily, the second quiet sliding block 9 is equipped with multiple and being provided at circumferentially spaced along middle pipe 62, in guarantee between pipe 62 and outer tube 63
Mobile comparison is steady, and the length of the first quiet sliding block 8 is the quiet sliding block of L1,30mm≤L1≤200mm, first and middle pipe, inner tube connect
It is longer to touch length, so that no setting is required between inner tube and middle pipe two groups of quiet sliding blocks up and down, it is only necessary to be arranged one group can guarantee it is interior
It is mobile between Guan Yuzhong pipe to stablize, so that the processing of lifting column is simpler, while being reduced as far as the hair in inner tube
Thorn avoids lifting column in lifting process because burr retracts, so that the lifting of lifting column is relatively reliable.Second is quiet
The length of sliding block 9 is L2,30mm≤L2≤200mm, similarly, because reducing the hole on middle pipe, so that the processing of lifting column is more
Add conveniently, while the burr being reduced as far as on middle pipe, further improves the reliability of lifting column lifting.This implementation
In example, L1 and L2 take 100mm, have not only guaranteed that lifting column lifting is more stable, but also will not be too long, have influenced the flexible of lifting column
Amount.
In the present embodiment, lifting column is rectangular lifting column, the first quiet sliding block 8 and the second equal vertical throwing of quiet sliding block 9
Shadow is " ┐ " shape, and the first quiet sliding block 8 is located at the corner of inner tube 61, and the second quiet sliding block 9 is located at the corner of middle pipe 62, so that
Each quiet sliding block can cooperate with two faces, further move between promotion inner tube and middle pipe, between middle pipe and outer tube
Stability, so that the lifting of lifting column is relatively reliable.In the present embodiment, the first quiet sliding block and the second quiet sliding block are provided with 4
A, 4 the first quiet sliding blocks are located at 4 corners of inner tube, and 4 the second quiet sliding blocks are located at 4 corners of middle pipe.
First quiet sliding block 8 is shiny surface close to the side of middle pipe 62, and the second quiet sliding block 9 is smooth close to the side of outer tube 63
Face reduces the friction between inner tube and middle pipe, between middle pipe and outer tube, so that the lifting of lifting column is more smooth.
Drive assembly include the first screw rod 1, the second screw rod 2, be set in outside the first screw rod 1 first transmission casing 3 and
Driving device 4 for driving the first transmission casing 3 to rotate, the first screw rod 1 are fixedly installed close to one end of driving device 4, the
Two screw rods 2 are fixedly installed far from one end of driving device 4, and the second transmission casing 5 is equipped between the first screw rod 1 and the second screw rod 2,
Second transmission casing 5 with first transmission casing 3 can synchronous rotary and first transmission casing 3 and second be driven casing 5 can be along axis
To relative telescopic, the both ends of the second transmission casing 5 are connect with the first screw rod 1,2 screw-driven of the second screw rod respectively.In use, driving
Dynamic device 4 drives the first transmission casing 3 to rotate, the second transmission casing 5 and the first transmission 3 synchronous rotary of casing, the second drive sleeve
Pipe 5 and 1 screw-driven of the first screw rod cooperate, because the first screw rod 1 is fixed, so that axis of the second transmission casing 5 along the first screw rod 1
To being gone up and down, flexible between the second transmission casing 5 and the first transmission casing 3, the second transmission casing 5 and the second screw rod are realized
The cooperation of 2 screw-drivens, because the second screw rod 2 is fixed, so that the second transmission casing 5 is gone up and down along the axial direction of the second screw rod 2, it is real
It is flexible between existing second transmission casing 5 and the second screw rod 2.First screw rod 1 and the second screw rod 2 without processing internal spline, and because
Two screw rods are all not necessarily to rotate, and without installing bearing, so that the structure of drive assembly is relatively simple, processing and assembly are all more square
Just.Lifting column can be with formal dress also with upside-down mounting, and in the present embodiment, lifting column formal dress, i.e. driving device 4 are located at transmission tube 6
Top.
The inner hollow of second screw rod 2 forms the telescopic cavity 21 protruded into for the first screw rod 1, when drive assembly is in contraction-like
When state, two screw rods are in overlap condition, so that the minimum length of drive assembly is short as much as possible, it is scalable to increase drive assembly
Distance.
The both ends of second transmission casing 5 are respectively equipped with the first nut 51 and the second nut 52, and the second transmission casing 5 passes through the
One nut 51 is connect with 1 screw-driven of the first screw rod, and the second transmission casing 5 is passed by the second nut 52 and 2 screw thread of the second screw rod
Dynamic connection.
Place-limited edge 53 is provided in second transmission casing 5, the first nut 51 and the second nut 52 are equipped with and place-limited edge 53
The limiting groove 54 of cooperation, the circumferential position of place-limited edge 53 and limiting groove 54 cooperation limitation the first nut 51 and the second nut 52
It sets, so that the first nut 51, the second nut 52 and the second transmission casing 5 keep synchronous rotary, will not occur mutually to rotate；First
Nut 51 and the second nut 52 are by circlip realization axial limiting, so that the first nut 51, the second nut 52 and the second drive sleeve
Pipe 5 axially retains synchronizing moving, will not relatively move, and then guarantees the first nut 51, the second nut 52 and the second transmission
Cooperation between casing 5 is stable, reliable, and simultaneous processing, installation be also relatively simple, conveniently.
Driving device 4 includes cabinet 41 and motor 42 and transmission component 43 in cabinet 41, transmission component 43 include
Driving member 431 and fixing seat 432, fixing seat 432 are equipped with central axis 4321, and driving member 431 is equipped with matches with central axis 4321
The mounting hole 4313 of conjunction, with the worm gear 4311 of the transmission cooperation of motor shaft 421 and with the first transmission casing 3 cooperation and synchronous rotary
Spline 4312 cooperates driving member 431 to be rotatably installed in fixing seat 432, passes by central axis 4321 and mounting hole 4313
The axial position of moving part 431 is fixed, so that axial float will not occur for driving member 431, is rotated more steady.Specifically, motor
After 42 work, motor shaft 421 drives worm gear 4311 to rotate, so that driving member 431 is rotated around fixing seat 432, on driving member 431
The rotation of spline 4312 drive the first transmission casing 3 to rotate, to realize that driving device can be driven first without installing bearing
It is driven the effect of sleeve rotating, so that the relatively simple for structure of drive assembly, saving production cost and installation space.
Fixing seat 432 is equipped with cover board 433, and driving member 431 is equipped with upper limit step 4314 and lower limit step 4315,
Upper limit step 4314 and fixing seat 432 cooperate, and prevent direction play of the driving member 431 to fixing seat 432, lower limit step
4315 cooperate with cover board 433, prevent direction play of the driving member 431 to cover board 433, so that the axial position of driving member is limited,
So that axial float will not occur for driving member, it is driven more steady.
First screw rod 1 is fixed in driving device 4, and the first screw rod 1 is equipped with threaded hole close to the end of driving device 4, the
One screw rod 1 is connect with driving device 4 by screw 11, so that the fixed operation of the first screw rod is simple, and because screw thread is with self-locking
Property, so that the fixation of the first screw rod is reliable, it is not easy to loosen.
Specifically, the first screw rod 1 is equipped with linkage section 12 close to one end of driving device 4, the diameter of linkage section 12 is less than the
The diameter of one screw rod 1, threaded hole are located at the end of linkage section 12, and fixing seat 432 is equipped with installation cavity 4322, and linkage section 12 can be with
It protrudes into installation cavity 4322, and the first screw rod 1 cannot protrude into, installation cavity 4322 is equipped with through-hole, and the end of linkage section 12 is led to
It crosses screw 11 to be fixed in installation cavity 4322, passes through the transition shoulder 13 and screw 11 between the first screw rod 1 and linkage section 12
Cooperation realizes the fixation of the first screw rod, so that the fixation of the first screw rod is simple and reliable.
The outside of second nut 52 is equipped with locking structure 7, and locking structure 7 limits the second nut 52 and middle pipe 62 is axially opposing
Position, so that the second nut 52 is fixed position in the axial direction with middle pipe 62, so that the second nut 52 is along 2 liters of the second screw rod
, can be mobile by pipe 62 in the drive of the second nut 52 when drop, it is flexible between pipe 62 and inner tube 61 in realization.
The side wall of locking structure 7 is equipped with connecting hole 73, and the second positioning column 92 passes through second location hole 621 and connecting hole 73
Cooperate to limit the relative axial position of locking structure 7 Yu middle pipe 62, it is not necessary that connection structure is in addition arranged, so that lifting column
Structure is simpler, compact.
Specifically, locking structure 7 includes the first locking block 71 and the second locking block 72, the first locking block 71 and the second locking
72 obvolvent of block forms accommodation groove, and the second nut 52 is located in accommodation groove.First locking block 71 and the clamping of the second locking block 72, so that
The installation of locking structure is fairly simple.
Inner tube 61 is fixed in driving device 4, and the second screw rod 2 is fixed on the bottom plate 631 of outer tube 63, so that the second screw rod
Circumferential position is fixed, and not can rotate, at the same make the end of the second screw rod 2 with bottom plate 631 position is fixed in the axial direction, second
When being shunk between bar 2 and the second transmission casing 5, outer tube 63 can be driven mobile by the second screw rod 2, realize outer tube 63 and middle pipe
It is flexible between 62.
When drive assembly stretches, the second nut drive in Guan Yidong, manage in realization it is flexible between inner tube, second
It stretches between bar and the second transmission casing, the second screw rod drives outer tube mobile by bottom plate, and stretching between outer tube is managed in realization
Contracting, and then realize the lifting of lifting column.
The invention also discloses a kind of hoistable platforms to rise including table top and the lifting column being supported in below table top
Dropping column is the lifting column in any above-mentioned technical proposal, because the lifting of the lifting column is reliable, so that lifting is flat
Platform using relatively reliable.
It should be understood that the length L1 of the first quiet sliding block can also take 30mm, 40mm, 50mm, 60mm, 70mm, 80mm,
90mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm etc..
It should be understood that the length L2 of the second quiet sliding block can also take 30mm, 40mm, 50mm, 60mm, 70mm, 80mm,
90mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm etc..
It should be understood that the first quiet sliding block also can be set 2,2 quiet sliding blocks are located at 2 of inner tube diagonally opposing corner
Corner.
It should be understood that the second quiet sliding block also can be set 2,2 quiet sliding blocks are located at 2 of middle pipe diagonally opposing corner
Corner.
It should be understood that lifting column can also be with upside-down mounting, i.e. the driving device lower section that is located at transmission tube.
It should be understood that the inner hollow for being also possible to the first screw rod forms the telescopic cavity protruded into for the second screw rod.
It should be understood that limiting groove can also be arranged in the second transmission casing, set on the first nut and the second nut
It sets and realizes the place-limited edge circumferentially limited with limiting groove cooperation.
It should be understood that the first nut can also be fixed on the second transmission casing by the modes such as buckling or welding.
It should be understood that the second nut can also be fixed on the second transmission casing by the modes such as buckling or welding.
It should be understood that the first screw rod can also be fixed on the drive means by other modes such as buckles.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
Claims (10)
1. the is equipped with a kind of lifting column, including inner tube, middle pipe, outer tube and telescopic drive assembly, between middle pipe and inner tube
One quiet sliding block is equipped with the second quiet sliding block between middle pipe and outer tube, the first quiet sliding block is equipped with the first positioning column, on the second quiet sliding block
Equipped with the second positioning column, inner tube is equipped with the first positioning hole cooperated with the first positioning column, and middle pipe is equipped with and the second positioning column
The second location hole of cooperation, which is characterized in that the first quiet sliding block is equipped with multiple and being provided at circumferentially spaced along inner tube, the
Two quiet sliding blocks are equipped with multiple and being provided at circumferentially spaced along middle pipe, and the length of the first quiet sliding block is L1, the length of the second quiet sliding block
Degree is L2,30mm≤L1≤200mm, 30mm≤L2≤200mm.
2. lifting column according to claim 1, which is characterized in that the lifting column be rectangular lifting column, first
The vertical projection of quiet sliding block and the second quiet sliding block is " ┐ " shape, and the first quiet sliding block is located at the corner of inner tube, the second quiet sliding block
Positioned at the corner of middle pipe.
3. lifting column according to claim 1, which is characterized in that the drive assembly includes the first screw rod, second
Bar, first be set in outside the first screw rod transmission casing and the driving device for driving the first transmission sleeve rotating, first
Screw rod close to driving device one end be fixedly installed, the second screw rod far from driving device one end be fixedly installed, the first screw rod and
The second transmission casing is equipped between second screw rod, the second transmission casing and the first transmission casing can synchronous rotary and the first drive sleeves
Pipe and the second transmission casing can axially relative telescopic, the both ends of the second transmission casing respectively with the first screw rod, the second screw rod
Screw-driven connection.
4. lifting column according to claim 3, which is characterized in that the second transmission casing and the second screw rod pass through the
The transmission connection of two nut threads, the outside of the second nut are equipped with the locking knot of limitation the second nut and middle pipe relative axial position
Structure.
5. lifting column according to claim 4, which is characterized in that the side wall of the locking structure is equipped with connecting hole,
Second positioning column passes through second location hole and connecting hole cooperates to limit the relative axial position of locking structure Yu middle pipe.
6. lifting column according to claim 4, which is characterized in that the locking structure includes the first locking block and second
Locking block, the first locking block and the second locking block obvolvent form accommodation groove, and the second nut is located in accommodation groove.
7. lifting column according to claim 3, which is characterized in that the inner hollow of first screw rod, which is formed, supplies second
The telescopic cavity that screw rod protrudes into；Alternatively, the inner hollow of second screw rod forms the telescopic cavity protruded into for the first screw rod.
8. lifting column according to claim 3, which is characterized in that the driving device includes motor and passes with motor shaft
The transmission component of dynamic cooperation, transmission component include driving member, and driving member is equipped with spline, and the first transmission casing is matched with spline drived
Conjunction and synchronous rotary.
9. according to claim 1 to lifting column described in 8 any one, which is characterized in that the first quiet sliding block is in
The side of pipe is shiny surface, and the second quiet sliding block is shiny surface close to the side of outer tube.
10. a kind of hoistable platform, including table top and the lifting column being supported in below table top, which is characterized in that the lifting is vertical
Column is lifting column described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268006.3U CN209621790U (en) | 2018-12-29 | 2018-12-29 | A kind of lifting column and hoistable platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268006.3U CN209621790U (en) | 2018-12-29 | 2018-12-29 | A kind of lifting column and hoistable platform |
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| Publication Number | Publication Date |
|---|---|
| CN209621790U true CN209621790U (en) | 2019-11-12 |
Family
ID=68448396
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822268006.3U Active CN209621790U (en) | 2018-12-29 | 2018-12-29 | A kind of lifting column and hoistable platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110003A1 (en) * | 2019-12-03 | 2021-06-10 | 浙江捷昌线性驱动科技股份有限公司 | Raising column |
| WO2021110002A1 (en) * | 2019-12-03 | 2021-06-10 | 浙江捷昌线性驱动科技股份有限公司 | Low mounting distance raising column |
| WO2023217304A3 (en) * | 2022-05-11 | 2024-01-04 | 常州市凯迪电器股份有限公司 | Easy installation brake mechanism, and lifting column using brake mechanism |
-
2018
- 2018-12-29 CN CN201822268006.3U patent/CN209621790U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110003A1 (en) * | 2019-12-03 | 2021-06-10 | 浙江捷昌线性驱动科技股份有限公司 | Raising column |
| WO2021110002A1 (en) * | 2019-12-03 | 2021-06-10 | 浙江捷昌线性驱动科技股份有限公司 | Low mounting distance raising column |
| WO2023217304A3 (en) * | 2022-05-11 | 2024-01-04 | 常州市凯迪电器股份有限公司 | Easy installation brake mechanism, and lifting column using brake mechanism |
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