CN205802847U - A kind of slim slide block structure on lifting column - Google Patents
A kind of slim slide block structure on lifting column Download PDFInfo
- Publication number
- CN205802847U CN205802847U CN201620271574.7U CN201620271574U CN205802847U CN 205802847 U CN205802847 U CN 205802847U CN 201620271574 U CN201620271574 U CN 201620271574U CN 205802847 U CN205802847 U CN 205802847U
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- slide block
- lifting column
- inner tube
- wall
- slim
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Abstract
The utility model discloses the slim slide block structure on a kind of lifting column, described lifting column is mutually socketed by least two sleeve pipe and forms, the sleeve pipe that each two is mutually socketed includes inner and outer tubes, the first slide block and the second slide block it is provided with between inner and outer tubes, described first slide block is fixed on the inwall bottom of outer tube and is slidably matched with inner tube, described second slide block is fixed on the outer wall top of inner tube and is slidably matched with outer tube, described second slide block is loop configuration, the inwall of described second slide block is provided with the second buckle group, the outer wall of said inner tube is provided with and the block button hole of the second clamping part snapping, described second buckle group is at least distributed two groups along the second slide block inwall circumference, often organize the second buckle group and have two the second clamping parts along the second slide block axial directional distribution, slim slide block is easy for installation, self-strength is good.
Description
[technical field]
This utility model relates to the slim slide block structure on a kind of lifting column.
[background technology]
Elevating mechanism is widely used on the adjustable for height article such as bed, chair, desk, and main function is by self
The flexible movement that load is made straight line.
Existing elevating mechanism the most all has the sleeve pipe of some mutual sockets, and elevating mechanism drives set by actuating device
It is mutually shifted between pipe and realizes the flexible of elevating mechanism.The Chinese patent of such as Publication No. CN104254264A discloses one
Being preferably used to the lifting column of Height Adjustable table, this lifting column is mainly made up of guiding piece, mandrel unit and motor unit, its
Guiding piece is formed by first component, second component, the 3rd parts three parts intussusceptions each other exactly totally, and motor unit is main
Thering is provided power, mandrel unit (being equivalent to actuating device) connects guiding piece and motor unit to be passed to by the power of motor unit
Guiding piece and then realization drive guiding piece to stretch.And the Chinese patent that Authorization Notice No. is CN203095510U discloses a kind of liter
Descending mechanism, the guiding piece of this elevating mechanism is then formed by outer tube and two parts intussusceptions of inner tube.But no matter it is by two parts sets
Folding and form or formed by three parts or more multi-part intussusception each other, adjacent two parts are during relatively sliding
Friction will certainly be produced.For reducing friction, therefore it is accomplished by that slide block is set between adjacent two parts so that adjacent two
Parts slide relatively.
So, this for this elevating mechanism the structure of slide block be very important, in prior art slide block lead to
Often being made up of two slide blocks, one of them is short slide block, and another is slim slide block, and to consider the installation of slide block just simultaneously
The property taken, and in prior art, slide block also exists installation inconvenience, the problem that self-strength is the highest.
[utility model content]
Problem to be solved in the utility model is just to provide the slim slide block structure on a kind of lifting column, slim slide block installation side
Just, self-strength is good.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
Slim slide block structure on a kind of lifting column, described lifting column is mutually socketed by least two sleeve pipe and forms, each two
The mutually sleeve pipe of socket includes inner and outer tubes, is provided with the first slide block and the second slide block between inner and outer tubes, described first
Slide block is fixed on the inwall bottom of outer tube and is slidably matched with inner tube, described second slide block be fixed on inner tube outer wall top and with
Outer tube is slidably matched, and described second slide block is loop configuration, and the inwall of described second slide block is provided with the second buckle group, described interior
The outer wall of pipe is provided with and the block button hole of the second clamping part snapping, and described second buckle group is along the second slide block inwall circumference at least
Being distributed two groups, often organizing the second buckle group has two the second clamping parts along the second slide block axial directional distribution.
Preferably, described second slide block is externally provided with separating tank at the profile of each second clamping part.
Preferably, the outer wall of described second slide block is extending radially outward rectilinear draw runner, draw runner and the second slide block axle
Parallel to direction, described outer tube wall is provided with the chute matched with draw runner.
Preferably, described draw runner is provided with at least 2 balls.
Preferably, described draw runner is provided with mounting groove, is provided with the ball mounting bar being provided with multiple ball in mounting groove.
The beneficial effects of the utility model: the slim slide block in lifting column in this utility model, the i.e. second slide block is annular
Structure, during installation, the second slide block is that the top from inner tube packs into, and utilizes the second buckle group on the second slide block inwall and inner tube
Block button hole on outer wall realizes snapping, carries out assembling and utilize the connected mode of buckle to fix by the mode of socket, installs very
Convenient, also to make the second slide block be connected with inner tube more stable for loop configuration simultaneously, and degree of deformation is little, the use longevity of increase lifting column
Life.
These features of the present utility model and advantage will be detailed in following detailed description of the invention, accompanying drawing exposure.
[accompanying drawing explanation]
Below in conjunction with the accompanying drawings this utility model is described further:
Fig. 1 is the structural representation of this whole elevating mechanism embodiment 1；
Fig. 2 is the exploded perspective view of lifting column in elevating mechanism embodiment 1；
Fig. 3 is the assembling schematic diagram of lifting column in elevating mechanism embodiment 1；
Fig. 4 is the structural representation of the first slide block in elevating mechanism embodiment 2.
[detailed description of the invention]
Below in conjunction with the accompanying drawing of this utility model embodiment the technical scheme of this utility model embodiment explained and
Illustrate, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in embodiment,
Those skilled in the art are obtained other embodiments on the premise of not making creative work, broadly fall into of the present utility model
Protection domain.
With reference to Fig. 1～3, the slim slide block structure on a kind of lifting column, whole elevating mechanism includes base 1, and base 1 is installed
Having lifting column, be provided with the actuating device for driving lifting column to stretch in base 1, actuating device includes motor 11, motor 11
Outfan connecting worm, worm engaging has worm gear 12, and worm gear 12 coaxial transmission connects screw mandrel 10, and it is band movable wire that motor 11 rotates
Bar 10 rotates, and screw mandrel 10 is provided with feed screw nut 13, drives feed screw nut 13 oscilaltion, described lifting column when screw mandrel 10 rotates
Mutually being socketed by least two sleeve pipe and form, nut drives sleeve pipe oscilaltion, according to actual needs, can arrange multiple nuts
Realize Multi-stage sleeve lifting, the present embodiment has three sleeve pipes, be interior be respectively first sleeve, the second sleeve pipe, the 3rd set outward
Pipe, the sleeve pipe that each two is mutually socketed includes inner tube 2 and outer tube 3, as a example by the combination of first sleeve and the second sleeve pipe, first
Sleeve pipe is inner tube 2, and the second sleeve pipe is outer tube 3, is provided with the first slide block 4 and the second slide block 5 between inner tube 2 and outer tube 3, described first
Slide block 4 is fixed on bottom the inwall of outer tube 3 and is slidably matched with inner tube 2, and the i.e. first slide block 4 is relative with inner tube 2 to slide, and described
Two slide blocks 5 are fixed on the outer wall top of inner tube 2 and are slidably matched with outer tube 3, and the second slide block 5 is slides, wherein relative with outer tube 3
In order to easy for installation, described in the present embodiment, the first slide block 4 is loop configuration, and described first slide block 4 wherein end face is towards second
Slide block 5 is extended with the first clamping part 41, and in the present embodiment, the first clamping part 41 has 4, is uniformly distributed along the first slide block 4 circumference,
The inwall of described outer tube 3 is provided with and the annular slot 31 of the first clamping part 41 snapping, and during installation, the first slide block 4 is from outer tube 3
Bottom be inserted in, the first clamping part 41 realizes snapping in being embedded just below annular slot 31, installs very convenient, and outer tube 3 table
Face does not haves eyelet yet, and outward appearance is more preferable, and the second slide block 5 is also loop configuration, for split type slide block, monoblock type
Loop configuration install more convenient, and firmness is more preferable, and the slide block of monomer is easily deformed, the inwall of described second slide block 5
Being provided with the second buckle group, described second buckle group is at least distributed two groups along the second slide block 5 inwall circumference, in the present embodiment
Two buckle groups have four groups, and the most often organizing the second buckle group has two the second clamping parts 51 along the second slide block 5 axial directional distribution, this
In embodiment, two the second clamping parts 51 in axial direction set relatively, and the outer wall of said inner tube 2 is provided with and the second clamping part
The block button hole 22 of 51 snappings, block button hole 22 and the position of the second clamping part 51, quantity are corresponding, the second slide block in the present embodiment
The axial length of 5 is greater than the axial length of the first slide block 4, because the second slide block 5 primarily serves the effect being to guide or guide,
Axial direction relative contact is long-pending relatively big, and the first slide block 4 primarily serves phorogenesis, and axial direction contact area is little.In order to
Making to install during the second slide block 5 more laborsaving, described second slide block 5 is externally provided with separating tank at the profile of each second clamping part 51
52, as shown in FIG., the second clamping part 51 in the present embodiment is substantially in kidney-shaped shape, and separating tank 52 is the most substantially in kidney-shaped shape,
When second slide block 5 is inserted in inner tube 2, the second clamping part 51 is by the elastic deformation of the gap generation radial direction of separating tank 52, directly
Successfully embed in block button hole 22 to the second clamping part 51.For the first slide block 4, when the first slide block 4 snaps in outer tube 3, first
Clamping part 41 is also to need certain elastic space, and it is the first slide block 4 that the outer wall of inner tube 2 described in the present embodiment is provided with
First clamping part provides the relief portion 23 dodging space when mounted, and when the first slide block 4 assembles, the first clamping part 41 can dodged
Producing elastic deformation in the space in portion 23, relief portion 23 arranges the bottom of inner tube 2, and the top of inner tube 2 can be avoided to arrange too much
Hole, cause inner tube 2 top intensity to reduce, described relief portion 23 is to be located at the blind hole on inner tube 2 outer wall or through hole.
In the present embodiment, cause the problem having some setbacks of sliding, this enforcement to prevent dust etc. from adhering on inner tube 2 outer wall
Example is cased with undulatory dust-proof sheath 7 outside described outer tube 3, and undulatory dust-proof sheath 7 can stretching according to lifting column
Situation generation elastic deformation.
It addition, during in order to avoid outer tube 3 and inner tube 2 to slide into ultimate range, the first slide block 4 and the second slide block 5
Raw rigid collision, inner tube 2 described in the present embodiment is provided with limited ring groove 21, described limit between the first slide block 4 and the second slide block 5
Being provided with elastic spacing circle 20 in the annular groove 21 of position, elastic spacing circle 20 is preferably rubber ring, and the present embodiment Elastic spacing collar 20 sets
In position near the second slide block 5, in traditional elevating mechanism when outer tube 3 up moves, the first slide block 4 is and then up slided
Dynamic, when sliding into close to ultimate range, directly there is rigid collision, due to the first slide block 4 with the second slide block 5 in the first slide block 4
Fix with the form that the second slide block 5 is buckle, as easy as rolling off a log abjection under rigid collision, cause the first slide block 4 or the second slide block 5 to take off
Falling, once slide block comes off, and elevating mechanism just cannot work on, and in order to reduce the generation of this phenomenon, increases in the present embodiment
Elastic spacing circle 20, when outer tube 3 up slides, the first slide block 4 can preferentially contact with elastic spacing circle 20, elastic spacing circle
The active force to the first slide block 4 of 20 is relatively small, it is not easy to cause the first clamping part 41 in the first slide block 4 to come off, simultaneously
After arranging elastic spacing circle 20, the second slide block 5 will not be again by the collision of the first slide block 4, and stability is more preferable, can allow upgrading mechanism
Service life be greatly increased.
In order to strengthen the guide effect of the second slide block 5, the outer wall of described second slide block 5 is extending radially outward have rectilinear
Draw runner 53, in the present embodiment, draw runner 53 has 4, and circumference is evenly distributed on the outer wall of the second slide block 5, draw runner 53 and the second slide block
5 axial directions are parallel, and described outer tube 3 inwall is provided with the chute 32 matched with draw runner 53, and outer tube 3 occurs relative with inner tube 2
During slip, draw runner 53 slides in chute 32, in order to reduce the coefficient of friction between draw runner 53 and chute 32, and described draw runner 53
It is provided with at least 2 balls 6, thus the sliding friction between draw runner 53 and chute 32 is changed into rolling friction, reduce frictional force,
Alleviate the wear intensity of draw runner 53.In like manner, in order to reduce the coefficient of friction between the first slide block 4 and inner tube 2 outer wall, the present embodiment
The inwall of the first slide block 4 is provided with multiple ball 6, thus the sliding friction between the first slide block 4 and inner tube 2 outer wall changes into rolling
Dynamic friction, reduces frictional force, alleviates the wear intensity of the first slide block 4.Those skilled in the art, it is also possible to expect setting on draw runner 53
Put axial mounting groove, be provided with the ball mounting bar being provided with multiple ball 6 in mounting groove, ball 6 be so installed more convenient, directly
Connect and the ball mounting bar being provided with ball 6 is directly snapped in mounting groove.
Further, since in the present embodiment with the first clamping part 41 snapping be annular slot 31, in the most spacing feelings
Under condition, the first slide block 4 is rotary, but under practical situation, this rotation easily causes the first clamping part 41 and annular
Produce abrasion between draw-in groove 31, be easily caused the first clamping part 41 size distortion the most in the past thus departed from annular slot 31, for
Avoiding in this situation the present embodiment improving the first slide block 4, described first slide block 4 is away from the end face of the second slide block 5
The most extending radially outward have annular flange flange 42, and annular flange flange 42 is the most spacing, and first slide block 4 positions with the axial of outer tube 3,
The micro-displacement making its axial direction is less, and the outer wall of the most described first slide block 4 is provided with and prevents determining of the first slide block 4 rotation
Position bar 43, described positioning strip 43 inserts in described chute 32, after positioning strip 43 inserts chute 32, the first slide block 4 cannot be rotated,
First clamping part 41 can not be rotated in annular slot 31, alleviate wear intensity.It addition, for casting aside the present embodiment,
In the case of elevating mechanism does not has elastic spacing circle 20, when the first slide block 4 slides near the second slide block 5, the first slide block 4
In the first clamping part 41 easily produce physical interference with draw runner 53, so being also intended to the first clamping part 41 is carried out rotary spacing
, so in the case of not design flexibility spacing collar 20, utilizing positioning strip 43 to position with chute 32, then by the first clamping part
41 mutually stagger setting with draw runner 53, are also a kind of schemes avoiding the first slide block 4 to collide with the second slide block 5.
Embodiment 2: the difference with embodiment 1 is, the first slide block 4 in the present embodiment is not provided with ball 6, take and
Instead of be provided with on the inwall of the first slide block 4 annular oil storage tank 45, design annular oil storage tank 45 after, lubricating oil can store up temporarily
Existing in annular oil storage tank 45, when the first slide block 4 slides with inner tube 2 outer wall, the lubricating oil being stored in annular oil storage tank 45 can
To play lubrication, reducing the frictional force between the first slide block 4 and inner tube 2, annular oil storage tank 45 can also reduce lubricating oil
Running off, waste rate is low, so that lubricating oil can preferably enter in annular oil storage tank 45, towards the in described first slide block 4
Two slide block 5 directions end face and annular oil storage tank 45 between be provided with oil-feed tank 46, user only need to smear on the outer wall of inner tube 2
Certain lubricating oil, when the first slide block 4 slides on inner tube 2 outer wall, lubricating oil can enter annular oil storage along oil-feed tank 46 automatically
In groove 45.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to
In this, it is familiar with this those skilled in the art and should be understood that this utility model includes but not limited to accompanying drawing and specific embodiment party above
Content described in formula.Any amendment without departing from function of the present utility model and structural principle is intended to be included in claim
In the scope of book.
Claims (5)
1. the slim slide block structure on lifting column, described lifting column is mutually socketed by least two sleeve pipe and forms, each two phase
The sleeve pipe of socket includes inner and outer tubes mutually, is provided with the first slide block and the second slide block between inner and outer tubes, and described first is sliding
Block is fixed on the inwall bottom of outer tube and is slidably matched with inner tube, and described second slide block is fixed on the outer wall top of inner tube and with outward
Pipe is slidably matched, it is characterised in that: described second slide block is loop configuration, and the inwall of described second slide block is provided with the second buckle
Group, the outer wall of said inner tube is provided with and the block button hole of the second clamping part snapping, and described second buckle group is along the second slide block
Wall circumference is at least distributed two groups, and often organizing the second buckle group has two the second clamping parts along the second slide block axial directional distribution.
Slim slide block structure on a kind of lifting column the most as claimed in claim 1, it is characterised in that: described second slide block is each
The profile of the second clamping part is externally provided with separating tank.
Slim slide block structure on a kind of lifting column the most as claimed in claim 1, it is characterised in that: the outer wall of described second slide block
Extending radially outward have rectilinear draw runner, and draw runner is parallel with the second slide block axial direction, and described outer tube wall is provided with sliding
The chute that bar matches.
Slim slide block structure on a kind of lifting column the most as claimed in claim 3, it is characterised in that: described draw runner be provided with to
Few 2 balls.
Slim slide block structure on a kind of lifting column the most as claimed in claim 3, it is characterised in that: described draw runner is provided with peace
Tankage, is provided with the ball mounting bar being provided with multiple ball in mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271574.7U CN205802847U (en) | 2016-04-01 | 2016-04-01 | A kind of slim slide block structure on lifting column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271574.7U CN205802847U (en) | 2016-04-01 | 2016-04-01 | A kind of slim slide block structure on lifting column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205802847U true CN205802847U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620271574.7U Active CN205802847U (en) | 2016-04-01 | 2016-04-01 | A kind of slim slide block structure on lifting column |
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|---|---|
| CN (1) | CN205802847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235439A (en) * | 2017-01-24 | 2019-09-13 | Top系统株式会社 | Connection uses the furred ceiling escope position regulator of gear structure |
| CN111480973A (en) * | 2020-04-27 | 2020-08-04 | 珠海市润星泰电器有限公司 | Telescopic strut and telescopic equipment |
-
2016
- 2016-04-01 CN CN201620271574.7U patent/CN205802847U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235439A (en) * | 2017-01-24 | 2019-09-13 | Top系统株式会社 | Connection uses the furred ceiling escope position regulator of gear structure |
| CN110235439B (en) * | 2017-01-24 | 2021-10-26 | Top系统株式会社 | Position adjusting device of ceiling type display adopting gear structure |
| CN111480973A (en) * | 2020-04-27 | 2020-08-04 | 珠海市润星泰电器有限公司 | Telescopic strut and telescopic equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |