CN205603133U - Longer elevating system of life - Google Patents
Longer elevating system of life Download PDFInfo
- Publication number
- CN205603133U CN205603133U CN201620273311.XU CN201620273311U CN205603133U CN 205603133 U CN205603133 U CN 205603133U CN 201620273311 U CN201620273311 U CN 201620273311U CN 205603133 U CN205603133 U CN 205603133U
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- slide block
- inner tube
- wall
- elevating mechanism
- longer
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Abstract
The utility model discloses a longer elevating system of life, the on -line screen storage device comprises a base, install the lift post on the base, the lift post is cup jointed by at least two sleeve pipes each other to be constituteed, including inner tube and outer tube in per two sleeve pipes that cup joint each other, be equipped with first slider and second slider between inner tube and the outer tube, first slider fix the inner wall of outer tube bottom and with inner tube sliding fit, the second slider fix the outer wall top of inner tube and with outer tube sliding fit, first slider and second slider are the loop configuration, one of them terminal surface of first slider is equipped with first clamping part towards the second slider, be equipped with the ring groove who uses with first clamping part lock joint on the inner wall of outer tube, be equipped with second buckle group on the inner wall of second slider, be equipped with on the outer wall of inner tube and organize the buckle hole that the lock joint was used with the second buckle, the inner tube is equipped with spacing annular between first slider and second slider, the spacing ring inslot is equipped with the elasticity spacing collar, easy installation, and elevating system's life has been increased.
Description
[technical field]
This utility model relates to longer elevating mechanism in a kind of service life.
[background technology]
Elevating mechanism is widely used on the adjustable for height article such as bed, chair, desk, and main function is the flexible movement that load is made straight line by self.
Existing elevating mechanism the most all has the sleeve pipe of some mutual sockets, and elevating mechanism drives to be mutually shifted between sleeve pipe by actuating device and realizes the flexible of elevating mechanism.The Chinese patent of such as Publication No. CN104254264A discloses a kind of lifting column being preferably used to 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, motor unit mainly provides power, and mandrel unit (being equivalent to actuating device) connects guiding piece and motor unit the power of motor unit to pass to guiding piece and then realizes driving guiding piece to stretch.And the Chinese patent that Authorization Notice No. is CN203095510U discloses a kind of elevating mechanism, the guiding piece of this elevating mechanism is then formed by outer tube and two parts intussusceptions of inner tube.But no matter being to be formed by two parts intussusceptions or formed by three parts or more multi-part intussusception each other, adjacent two parts will certainly produce friction during relatively sliding.For reducing friction, therefore it is accomplished by between adjacent two parts, arranging slide block so that adjacent two parts slide relatively.
So, this for this elevating mechanism the structure of slide block be very important, and to consider the installation portability of slide block simultaneously, and in prior art, slide block also exists installation inconvenience, connect instability, ultimately result in the highest problem in lifting column service life.
[utility model content]
Problem to be solved in the utility model is just to provide longer elevating mechanism in a kind of service life, easy for installation, and adds the service life of elevating mechanism.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
nullThe elevating mechanism that a kind of service life is longer，Including base，Lifting column is installed on base，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 bottom the inwall 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 first slide block and the second slide block are loop configuration，Described first slide block wherein end face is extended with the first clamping part towards the second slide block，The inwall of described outer tube is provided with and the annular slot of the first clamping part snapping，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 buckle group snapping，Said inner tube is provided with limited ring groove between the first slide block and the second slide block，Elastic spacing circle it is provided with in described limited ring groove.
Preferably, described second buckle group is at least distributed two groups along the second slide block inwall circumference, and 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, and draw runner is parallel with the second slide block axial direction, and 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.
Preferably, described first slide block is extending radially outward on the end face away from the second slide block annular flange flange, and the outer wall of described first slide block is provided with the positioning strip preventing the first slide block from rotating, and described positioning strip inserts in described chute.
Preferably, said inner tube provides when mounted and dodges the relief portion in space being provided with the first clamping part for the first slide block on the outer wall of bottom, and described relief portion is the blind hole or through hole being located on outer wall of inner tube.
Preferably, the inwall of described first slide block be provided with annular oil storage tank, in described first slide block towards the second slide block direction end face and annular oil storage tank between be provided with oil-feed tank.
Preferably, described outside pipe is cased with undulatory dust-proof sheath.
nullThe beneficial effects of the utility model: in the elevating mechanism in this utility model, the first slide block and the second slide block are loop configuration，During installation, the first slide block directly packs into from the bottom of inner tube，Then the first clamping part on the first slide block is utilized to realize snapping with outer tube，Second slide block is then that the top from inner tube packs into，The second buckle group on the second slide block inwall is utilized to realize snapping with the block button hole on the outer wall of inner tube，Two slide blocks are all that the mode being socketed carries out assembling and utilize the connected mode of buckle to fix，Install very convenient，Loop configuration also makes two slide blocks be connected more stable with inner tube simultaneously，Degree of deformation is little，Additionally this utility model adds elastic spacing circle at the first slide block and the second slide block，During it can be avoided that outer tube and inner tube slide into ultimate range，First slide block and the second slide block generation rigid collision，Because when outer tube and inner tube slide into ultimate range，First slide block can first collide with elastic spacing circle，Now the first slide block is played position-limiting action by elastic spacing circle，Make it cannot continue to slide，Reduce the first slide block and the breakage rate of the second slide block，Increase the service life of elevating mechanism.
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 utility model elevating mechanism embodiment 1；
Fig. 2 is the exploded perspective view of lifting column in this utility model elevating mechanism embodiment 1；
Fig. 3 is the assembling schematic diagram of lifting column in this utility model elevating mechanism embodiment 1；
Fig. 4 is the structural representation of the first slide block in this utility model elevating mechanism embodiment 2.
[detailed description of the invention]
The technical scheme of this utility model embodiment is explained and illustrated by the accompanying drawing below in conjunction with this utility model embodiment, 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 protection domain of the present utility model.
nullWith reference to Fig. 1～3，The elevating mechanism that a kind of service life is longer，Including base 1，On base 1, lifting column is installed，Actuating device for driving lifting column to stretch is installed in base 1，Actuating device includes motor 11，Motor 11 outfan connecting worm，Worm engaging has worm gear 12，Worm gear 12 coaxial transmission connects screw mandrel 10，It is to drive screw mandrel 10 to rotate that motor 11 rotates，Screw mandrel 10 is provided with feed screw nut 13，Feed screw nut 13 oscilaltion is driven when screw mandrel 10 rotates，Described lifting column is mutually socketed by least two sleeve pipe and forms，Nut drives sleeve pipe oscilaltion，According to actual needs，Multiple nuts can be set to realize Multi-stage sleeve lifting，The present embodiment has three sleeve pipes，First sleeve it is respectively outward by interior、Second sleeve pipe、3rd sleeve 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 is inner tube 2，Second sleeve pipe is outer tube 3，The first slide block 4 and the second slide block 5 it is provided with 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，I.e. first slide block 4 is relative with inner tube 2 to slide，Described second slide block 5 is fixed on the outer wall top of inner tube 2 and is slidably matched with outer tube 3，Second slide block 5 is slides relative with outer tube 3，Wherein in order to easy for installation，Described in the present embodiment, the first slide block 4 is loop configuration，Described first slide block 4 wherein end face is extended with the first clamping part 41 towards the second slide block 5，In the present embodiment, the first clamping part 41 has 4，It 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，During installation, the first slide block 4 is inserted in from the bottom of outer tube 3，First clamping part 41 realizes snapping in being embedded just below annular slot 31，Install very convenient，And outer tube 3 surface does not haves eyelet yet，Outward appearance is more preferable，Second slide block 5 is also loop configuration，For split type slide block，All-in-one-piece loop configuration is installed more convenient，And firmness is more preferable，The slide block of monomer is easily deformed，The inwall of described second slide block 5 is 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, the second buckle group has four groups，The most often organize the second buckle group and have two the second clamping parts 51 along the second slide block 5 axial directional distribution，In the present embodiment, two the second clamping parts 51 in axial direction set relatively，The outer wall of said inner tube 2 is provided with and the block button hole 22 of the second clamping part 51 snapping，Block button hole 22 and the position of the second clamping part 51、Quantity is corresponding，In the present embodiment, the axial length of the second slide block 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 bigger，And the first slide block 4 primarily serves phorogenesis，Axial direction contact area is little.So that install during the second slide block 5 more laborsaving, described second slide block 5 is externally provided with separating tank 52 at the profile of each second clamping part 51, 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, until the second clamping part 51 successfully embeds in block button hole 22.For the first slide block 4, when first slide block 4 snaps in outer tube 3, first clamping part 41 is also to need certain elastic space, the outer wall of inner tube 2 described in the present embodiment is provided with the first clamping part for the first slide block 4 and provides the relief portion 23 dodging space when mounted, when first slide block 4 assembles, first clamping part 41 can produce elastic deformation in the space of relief portion 23, relief portion 23 arranges the bottom of inner tube 2, the top that can avoid inner tube 2 arranges too much hole, inner tube 2 top intensity is caused 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, the problem having some setbacks of sliding is caused in order to prevent dust etc. from adhering on inner tube 2 outer wall, the present embodiment is cased with undulatory dust-proof sheath 7 outside described outer tube 3, and undulatory dust-proof sheath 7 can be according to the flexible situation generation elastic deformation of lifting column.
nullAdditionally，During in order to avoid outer tube 3 and inner tube 2 to slide into ultimate range，There is rigid collision in the first slide block 4 and the second slide block 5，Inner tube 2 described in the present embodiment is provided with limited ring groove 21 between the first slide block 4 and the second slide block 5，It is provided with elastic spacing circle 20 in described limited ring groove 21，Elastic spacing circle 20 is preferably rubber ring，The present embodiment Elastic spacing collar 20 is located at position near the second slide block 5，In traditional elevating mechanism when outer tube 3 up moves，First slide block 4 and then up slides，When sliding into close to ultimate range，Directly there is rigid collision with the second slide block 5 in the first slide block 4，Owing to the form that the first slide block 4 and the second slide block 5 are buckles is fixed，As easy as rolling off a log abjection under rigid collision，The first slide block 4 or the second slide block 5 is caused to come off，Once slide block comes off，Elevating mechanism just cannot work on，In order to reduce the generation of this phenomenon，The present embodiment adds elastic spacing circle 20，When outer tube 3 up slides，First slide block 4 can preferentially contact with elastic spacing circle 20，The active force to the first slide block 4 of elastic spacing circle 20 is relatively small，The first clamping part 41 that cannot be easily caused in the first slide block 4 comes off，After elastic spacing circle 20 is set simultaneously，Second slide block 5 will not be again by the collision of the first slide block 4，Stability is more preferable，The service life that can allow upgrading mechanism is 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 rectilinear draw runner 53, in the present embodiment, draw runner 53 has 4, circumference is evenly distributed on the outer wall of the second slide block 5, draw runner 53 is parallel with the second slide block 5 axial direction, described outer tube 3 inwall is provided with the chute 32 matched with draw runner 53, when there is relative slip with inner tube 2 in outer tube 3, draw runner 53 slides in chute 32, in order to reduce the coefficient of friction between draw runner 53 and chute 32, described draw runner 53 is provided with at least 2 balls 6, thus change the sliding friction between draw runner 53 and chute 32 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 inwall of the present embodiment the first slide block 4 is provided with multiple ball 6, thus changes the sliding friction between the first slide block 4 and inner tube 2 outer wall into rolling friction, reduce frictional force, alleviate the wear intensity of the first slide block 4.Those skilled in the art, it is also contemplated that arrange axial mounting groove on draw runner 53, it is provided with the ball mounting bar being provided with multiple ball 6 in mounting groove, ball 6 is so installed more convenient, directly the ball mounting bar being provided with ball 6 is directly snapped in mounting groove.
nullAdditionally，Due in the present embodiment with the first clamping part 41 snapping be annular slot 31，In the case of the most spacing，First slide block 4 is rotary，But under practical situation，This rotation easily causes generation abrasion between the first clamping part 41 and annular slot 31，It is easily caused the first clamping part 41 size distortion for a long time in the past thus departs from annular slot 31，In order to avoid the first slide block 4 is improved by this situation the present embodiment，Described first slide block 4 is extending radially outward on the end face away from the second slide block 5 annular flange flange 42，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，The outer wall of the most described first slide block 4 is provided with the positioning strip 43 preventing the first slide block 4 from rotating，Described positioning strip 43 inserts in described chute 32，After positioning strip 43 inserts chute 32，First slide block 4 cannot be rotated，First clamping part 41 can not be rotated in annular slot 31，Alleviate wear intensity.Additionally, 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 clamping part 41 in first slide block 4 easily produces 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, positioning strip 43 is utilized to position with chute 32, then the first clamping part 41 and draw runner 53 are mutually staggered setting, be also a kind of scheme avoiding the first slide block 4 to collide with the second slide block 5.
nullEmbodiment 2: the difference with embodiment 1 is，It is not provided with ball 6 on the first slide block 4 in the present embodiment，The substitute is on the inwall of the first slide block 4, be provided with annular oil storage tank 45，After design annular oil storage tank 45，Lubricating oil can be stored temporarily in annular oil storage tank 45，When first slide block 4 slides with inner tube 2 outer wall，The lubricating oil being stored in annular oil storage tank 45 can play lubrication，Reduce the frictional force between the first slide block 4 and inner tube 2，Annular oil storage tank 45 can also reduce the loss of lubricating oil，Waste rate is low，So that lubricating oil can preferably enter in annular oil storage tank 45，In described first slide block 4 towards the second slide block 5 direction end face and annular oil storage tank 45 between be provided with oil-feed tank 46，User only need to smear certain lubricating oil on the outer wall of inner tube 2，When the first slide block 4 slides on inner tube 2 outer wall，Lubricating oil can enter in annular oil storage tank 45 along oil-feed tank 46 automatically.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model is not limited thereto, 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 content described in detailed description of the invention above.Any amendment without departing from function of the present utility model and structural principle is intended to be included in the scope of claims.
Claims (10)
1. the elevating mechanism that service life is longer, including base, base is provided with lifting column, described
Lifting column is mutually socketed by least two sleeve pipe and forms, and the sleeve pipe that each two is mutually socketed includes that inner tube is with outer
Pipe, 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 interior of outer tube
Being slidably matched bottom wall and with inner tube, described second slide block is fixed on the outer wall top of inner tube and slides with outer tube
Coordinate, it is characterised in that: described first slide block and the second slide block are loop configuration, described first slide block its
Middle end face is extended with the first clamping part towards the second slide block, and the inwall of described outer tube is provided with and the first clamping part
The annular slot of snapping, the inwall of described second slide block is provided with the second buckle group, the outer wall of said inner tube
Being provided with and the block button hole of the second buckle group snapping, said inner tube sets between the first slide block and the second slide block
Limited location annular groove, is provided with elastic spacing circle in described limited ring groove.
The elevating mechanism that a kind of service life the most as claimed in claim 1 is longer, it is characterised in that: described
Second buckle group is at least distributed two groups along the second slide block inwall circumference, often organizes the second buckle group along the second slide block
Axial directional distribution has two the second clamping parts.
The elevating mechanism that a kind of service life the most as claimed in claim 2 is longer, it is characterised in that: described
Second slide block is externally provided with separating tank at the profile of each second clamping part.
The elevating mechanism that a kind of service life the most as claimed in claim 1 is longer, it is characterised in that: described
The outer wall of the second slide block is extending radially outward rectilinear draw runner, and draw runner is parallel with the second slide block axial direction,
Described outer tube wall is provided with the chute matched with draw runner.
The elevating mechanism that a kind of service life the most as claimed in claim 4 is longer, it is characterised in that: described
Draw runner be provided with at least 2 balls.
The elevating mechanism that a kind of service life the most as claimed in claim 4 is longer, it is characterised in that: described
Draw runner be provided with mounting groove, be provided with the ball mounting bar being provided with multiple ball in mounting groove.
The elevating mechanism that a kind of service life the most as claimed in claim 4 is longer, it is characterised in that: described
First slide block is extending radially outward on the end face away from the second slide block has annular flange flange, outside described first slide block
Wall is provided with the positioning strip preventing the first slide block from rotating, and described positioning strip inserts in described chute.
The elevating mechanism that a kind of service life the most as claimed in claim 1 is longer, it is characterised in that: described
The outer wall of the close bottom of inner tube is provided with the first clamping part for the first slide block and provides when mounted and dodge space
Relief portion, described relief portion is the blind hole or through hole being located on outer wall of inner tube.
The elevating mechanism that a kind of service life the most as claimed in claim 1 is longer, it is characterised in that: described
The inwall of the first slide block be provided with annular oil storage tank, in described first slide block towards the second slide block direction end face
And it is provided with oil-feed tank between annular oil storage tank.
The elevating mechanism that a kind of service life the most as claimed in claim 1 is longer, it is characterised in that: described
Outside pipe be cased with undulatory dust-proof sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273311.XU CN205603133U (en) | 2016-04-01 | 2016-04-01 | Longer elevating system of life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273311.XU CN205603133U (en) | 2016-04-01 | 2016-04-01 | Longer elevating system of life |
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| Publication Number | Publication Date |
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| CN205603133U true CN205603133U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620273311.XU Active CN205603133U (en) | 2016-04-01 | 2016-04-01 | Longer elevating system of life |
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| CN (1) | CN205603133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645301A (en) * | 2016-04-01 | 2016-06-08 | 宁波海仕凯驱动科技有限公司 | Lifting mechanism having longer service life |
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2016
- 2016-04-01 CN CN201620273311.XU patent/CN205603133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645301A (en) * | 2016-04-01 | 2016-06-08 | 宁波海仕凯驱动科技有限公司 | Lifting mechanism having longer service life |
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