CN105645301B - A kind of elevating mechanism that the service life is longer - Google Patents
A kind of elevating mechanism that the service life is longer Download PDFInfo
- Publication number
- CN105645301B CN105645301B CN201610205560.XA CN201610205560A CN105645301B CN 105645301 B CN105645301 B CN 105645301B CN 201610205560 A CN201610205560 A CN 201610205560A CN 105645301 B CN105645301 B CN 105645301B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- wall
- elevating mechanism
- service life
- longer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves
Abstract
The invention discloses a kind of elevating mechanisms that the service life is longer, including pedestal, lifting column is installed on pedestal, lifting column is mutually socketed by least two casings and is formed, it include inner and outer tubes in the casing that every two is mutually socketed, the first sliding block and the second sliding block are equipped between inner and outer tubes, first sliding block is fixed on the inner wall bottom of outer tube and is slidably matched with inner tube, second sliding block is fixed at the top of the outer wall of inner tube and is slidably matched with outer tube, first sliding block and the second sliding block are ring structure, wherein one end faces the second sliding block equipped with the first clamping part to first sliding block, the inner wall of outer tube is equipped with the annular slot with the first clamping part snapping, the inner wall of second sliding block is equipped with the second buckle group, the outer wall of inner tube is equipped with the block button hole with the second buckle group snapping, inner tube is equipped with limited ring groove between the first sliding block and the second sliding block, Elastic spacing circle is equipped in limited ring groove, it is easy for installation, and increase the service life of elevating mechanism.
Description
[technical field]
The present invention relates to a kind of elevating mechanisms that the service life is longer.
[background technique]
Elevating mechanism is widely used on the height-adjustable article such as bed, chair, desk, and main function is to pass through itself
Flexible the movement of straight line is made into load.
Existing elevating mechanism generally all has several casings being mutually socketed, and elevating mechanism is driven by transmission device to be covered
It is mutually shifted between pipe and realizes the flexible of elevating mechanism.Such as the Chinese patent of Publication No. CN104254264A discloses one kind
It is preferably used to the lifting column of height-adjustable table, which is mainly made of guiding piece, mandrel unit and motor unit,
Guiding piece is exactly that intussusception forms totally three components each other by the first component, second component, third member, and motor unit is main
Power is provided, mandrel unit (being equivalent to transmission device) connects guiding piece and motor unit to pass to the power of motor unit
Guiding piece and then realization drive guiding piece flexible.And the Chinese patent that Authorization Notice No. is CN203095510U discloses a kind of liter
Descending mechanism, the guiding piece of the elevating mechanism are then formed by two component intussusceptions of outer tube and inner tube.But either by two component sets
It folds into or intussusception forms each other by three components or more, two neighboring component is during opposite sliding
Friction will certainly be generated.To reduce friction, therefore need to be arranged between two neighboring component sliding block just in order to two neighboring
Component is opposite to be slided.
So the structure of this sliding block for this elevating mechanism is very important, and to consider simultaneously
The installation portability of sliding block, and for sliding block there is installation inconvenience, connection is unstable in the prior art, eventually leads to lifting column
The not high problem of service life.
[summary of the invention]
Problem to be solved by this invention is just to provide a kind of elevating mechanism that the service life is longer, easy for installation, and
Increase the service life of elevating mechanism.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of elevating mechanism that the service life is longer, including pedestal are equipped with lifting column on pedestal, and the lifting column is by extremely
Few two casings are mutually socketed composition, include inner and outer tubes in the casing that every two is mutually socketed, set between inner and outer tubes
There are the first sliding block and the second sliding block, first sliding block is fixed on the inner wall bottom of outer tube and is slidably matched with inner tube, and described
Two sliding blocks are fixed at the top of the outer wall of inner tube and are slidably matched with outer tube, and first sliding block and the second sliding block are ring junction
Structure, wherein one end faces the second sliding block and is extended with the first clamping part first sliding block, and the inner wall of the outer tube is equipped with and the
The annular slot of one clamping part snapping, the inner wall of second sliding block are equipped with the second buckle group, on the outer wall of said inner tube
Equipped with the block button hole with the second buckle group snapping, said inner tube is equipped with limited ring groove between the first sliding block and the second sliding block,
Elastic spacing circle is equipped in the limited ring groove.
Preferably, the second buckle group is circumferentially at least distributed with two groups along the second sliding block inner wall, every group of second buckle group
Along the second sliding block axial directional distribution, there are two the second clamping parts.
Preferably, second sliding block is externally provided with separating tank in the profile of each second clamping part.
Preferably, the extending radially outward draw runner for having linear of the outer wall of second sliding block, draw runner and the second sliding block axis
Parallel to direction, the outer tube wall is equipped with the sliding slot to match with draw runner.
Preferably, the draw runner is equipped at least two ball.
Preferably, the draw runner is equipped with mounting groove, is equipped with the ball mounting bar for being equipped with multiple balls in mounting groove.
Preferably, extending radially outward on the end face of first sliding block far from the second sliding block to have an annular flange, described
The outer wall of one sliding block is equipped with the positioning strip for preventing the first sliding block from rotating, and the positioning strip is inserted into the sliding slot.
Preferably, said inner tube is equipped on the outer wall close to bottom and mentions during installation for the first clamping part of the first sliding block
For the relief portion of avoiding space, the relief portion is the blind hole being located on outer wall of inner tube or through-hole.
Preferably, the inner wall of first sliding block is equipped with annular oil storage tank, towards the second sliding block side in first sliding block
To end face and annular oil storage tank between be equipped with oil-feed tank.
Preferably, the outside pipe is cased with undulatory dust-proof sheath.
Beneficial effects of the present invention: the first sliding block and the second sliding block are ring structure in the elevating mechanism in the present invention,
The first sliding block is directly packed into from the bottom of inner tube when installation, then utilizes the first clamping part and outer tube realization button on the first sliding block
It connects, the second sliding block is packed at the top of inner tube, on the outer wall using the second buckle group and inner tube on the second sliding block inner wall
Block button hole realize snapping, two sliding blocks all be socket mode carry out assemble and fixed using the connection type of buckle, install
It is very convenient, while ring structure, but also two sliding blocks connect more stable with inner tube, degree of deformation is small, in addition in the present invention
First sliding block and the second sliding block increase elastic spacing circle, can be avoided outer tube and when inner tube slides into maximum distance, first is sliding
Rigid collision occurs for block and the second sliding block, because the first sliding block can be first and elastic when outer tube and inner tube slide into maximum distance
Spacing collar collides, and elastic spacing circle plays position-limiting action to the first sliding block at this time, makes it that can not continue to slide, and reduces first
The breakage rate of sliding block and the second sliding block increases the service life of elevating mechanism.
These features and advantages of the invention will the detailed exposure in following specific embodiment, attached drawing.
[Detailed description of the invention]
Following further describes the present invention with reference to the drawings:
Fig. 1 is the structural schematic diagram of elevating mechanism embodiment 1 of the present invention；
Fig. 2 is the perspective view of the explosion of lifting column in elevating mechanism embodiment 1 of the present invention；
Fig. 3 is the assembling schematic diagram of lifting column in elevating mechanism embodiment 1 of the present invention；
Fig. 4 is the structural schematic diagram of the first sliding block in elevating mechanism embodiment 2 of the present invention.
[specific embodiment]
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiments without making creative work, belong to protection scope of the present invention.
Referring to Fig.1~3, a kind of elevating mechanism that the service life is longer, including pedestal 1 are equipped with lifting column on pedestal 1,
Transmission device for driving lifting column flexible is installed, transmission device includes motor 11, the connection of 11 output end of motor in pedestal 1
Worm screw, worm screw are engaged with worm gear 12, and 12 coaxial transmission of worm gear is connected with screw rod 10, and the rotation of motor 11 is that screw rod 10 is driven to rotate,
Screw rod 10 is equipped with feed screw nut 13,13 oscilaltion of feed screw nut is driven when screw rod 10 rotates, the lifting column is by least two
A casing is mutually socketed composition, nut drives casing oscilaltion, and according to actual needs, settable multiple nuts realize multistage
Casing lifting, has three casings in the present embodiment, by it is interior be outward respectively first sleeve, the second casing, third casing, every two
It include inner tube 2 and outer tube 3 in the casing being mutually socketed, by taking the combination of first sleeve and the second casing as an example, first sleeve is interior
Pipe 2, the second casing are outer tube 3, and the first sliding block 4 and the second sliding block 5 are equipped between inner tube 2 and outer tube 3, and first sliding block 4 is solid
It is scheduled on the inner wall bottom of outer tube 3 and is slidably matched with inner tube 2, is i.e. the first sliding block 4 is opposite with inner tube 2 to be slided, second sliding block 5
It is fixed at the top of the outer wall of inner tube 2 and is slidably matched with outer tube 3, the second sliding block 5 is opposite sliding with outer tube 3, wherein in order to pacify
Dress is convenient, and the first sliding block 4 described in the present embodiment is ring structure, and wherein one end faces the second sliding block 5 and prolongs first sliding block 4
Stretching has the first clamping part 41, and the first clamping part 41 has 4 in the present embodiment, is circumferentially uniformly distributed along the first sliding block 4, the outer tube
3 inner wall is equipped with annular slot 31 with 41 snapping of the first clamping part, and the first sliding block 4 is covered from the bottom of outer tube 3 when installation
Enter, the first clamping part 41, which is embedded just below in annular slot 31, realizes snapping, and installation is very convenient, and 3 surface of outer tube will not
There is eyelet, appearance is more preferable, and the second sliding block 5 is also ring structure, for split type sliding block, the ring junction of monoblock type
Structure installation is more convenient, and firmness is more preferable, and the sliding block of monomer is easily deformed, and the inner wall of second sliding block 5 is equipped with the
Two buckle groups, the second buckle group are circumferentially at least distributed with two groups along 5 inner wall of the second sliding block, the second buckle group in the present embodiment
Have four groups, wherein every group of second buckle group along 5 axial directional distribution of the second sliding block there are two the second clamping part 51, in the present embodiment
Two the second clamping parts 51 are in axial direction opposite and set, and the outer wall of said inner tube 2 is equipped with to be used with 51 snapping of the second clamping part
Block button hole 22, block button hole 22 is corresponding with the position of the second clamping part 51, quantity, the axial direction of the second sliding block 5 in the present embodiment
Length is greater than the axial length of the first sliding block 4, because the second sliding block 5 primarily serves the effect for being guidance or being oriented to, axial direction side
It is larger to relative contact product, and the first sliding block 4 primarily serves phorogenesis, axial direction contact area is small.In order to enable peace
Fill more labor-saving when the second sliding block 5, second sliding block 5 is externally provided with separating tank 52 in the profile of each second clamping part 51, such as schemes
Shown in, the second clamping part 51 in the present embodiment is substantially in kidney-shaped shape, and separating tank 52 is also substantially in kidney-shaped shape, the second sliding block
5 when being inserted in inner tube 2, and the second clamping part 51 generates the elastic deformation of radial direction by the gap of separating tank 52, until the second card
Buckle 51 is successfully embedded in block button hole 22.For the first sliding block 4, when the first sliding block 4 is caught in outer tube 3, the first clamping part 41
It is also to need certain elastic space, the first buckle that the outer wall of inner tube 2 described in the present embodiment is equipped with as the first sliding block 4
Portion provides the relief portion 23 of avoiding space during installation, and when the first sliding block 4 assembles, the first clamping part 41 can be in the sky of relief portion 23
Interior generation elastic deformation, relief portion 23 are arranged the bottom of inner tube 2, excessive hole can be arranged to avoid the top of inner tube 2, cause
2 top strength reduction of inner tube, the relief portion 23 are the blind hole being located on 2 outer wall of inner tube or through-hole.
In the present embodiment, dust etc. adheres on 2 outer wall of inner tube the problem of causing sliding to have some setbacks, this implementation in order to prevent
Example is cased with undulatory dust-proof sheath 7 outside the outer tube 3, and undulatory dust-proof sheath 7 can be according to the flexible of lifting column
Happen elastic deformation.
In addition, when in order to avoid outer tube 3 and inner tube 2 from sliding into maximum distance, the first sliding block 4 and the second sliding block 5 hair
Raw rigid collision, inner tube 2 described in the present embodiment are equipped with limited ring groove 21, the limit between the first sliding block 4 and the second sliding block 5
Elastic spacing circle 20 is equipped in the annular groove 21 of position, elastic spacing circle 20 is preferably rubber ring, and elastic spacing collar 20 is set in the present embodiment
In close second sliding block, 5 neighbouring position, traditional elevating mechanism when outer tube 3 up moves, the first sliding block 4 is and then up slided
Dynamic, when sliding into close to maximum distance, directly with the second sliding block 5 rigid collision occurs for the first sliding block 4, due to the first sliding block 4
It is that the form buckled is fixed with the second sliding block 5, abjection is easy under rigid collision, causes the first sliding block 4 or the second sliding block 5 de-
It falls, once sliding block falls off, elevating mechanism can not just work on, and in order to reduce the generation of this phenomenon, increase in the present embodiment
Elastic spacing circle 20, when outer tube 3 up slides, first sliding block 4 can be contacted preferentially with elastic spacing circle 20, elastic spacing circle
20 it is relatively small to the active force of the first sliding block 4, it is not easy to cause the first clamping part 41 in the first sliding block 4 to fall off, simultaneously
After elastic spacing circle 20 is arranged, the collision that the second sliding block 5 will not again by the first sliding block 4, stability is more preferable, can allow and upgrade mechanism
Service life greatly increase.
In order to reinforce the guiding role of the second sliding block 5, the outer wall of second sliding block 5 is extending radially outward linear
Draw runner 53, draw runner 53 has 4 in the present embodiment, is circumferentially evenly distributed on the outer wall of the second sliding block 5, draw runner 53 and the second sliding block
5 axial directions are parallel, and 3 inner wall of outer tube is equipped with the sliding slot 32 to match with draw runner 53, and outer tube 3 and inner tube 2 occur relatively
When sliding, draw runner 53 slides in sliding slot 32, in order to reduce the coefficient of friction between draw runner 53 and sliding slot 32, the draw runner 53
It is equipped at least two ball 6, so that the sliding friction between draw runner 53 and sliding slot 32 is changed to rolling friction, reduces frictional force,
Mitigate the wear intensity of draw runner 53.Similarly, in order to reduce the coefficient of friction between 2 outer wall of the first sliding block 4 and inner tube, the present embodiment
The inner wall of one sliding block 4 is equipped with multiple balls 6, so that the sliding friction between 2 outer wall of the first sliding block 4 and inner tube is changed to roll
Friction reduces frictional force, mitigates the wear intensity of the first sliding block 4.Those skilled in the art, it is also contemplated that being arranged on draw runner 53
Axial mounting groove, mounting groove is interior to be equipped with the ball mounting bar for being equipped with multiple balls 6, and installation ball 6 in this way is more convenient, directly
The ball mounting bar for being equipped with ball 6 is directly snapped into mounting groove.
In addition, by with 41 snapping of the first clamping part being in this present embodiment annular slot 31, in the feelings not limited
Under condition, the first sliding block 4 is rotary, but under actual conditions, this rotation be easy to cause the first clamping part 41 and annular
Abrasion is generated between card slot 31, is easy to cause 41 size distortion of the first clamping part for a long time to be detached from annular slot 31, is
It avoids improving the first sliding block 4 in this case the present embodiment, end face of first sliding block 4 far from the second sliding block 5
Above extending radially outward to have annular flange 42, annular flange 42 has limited the axially position of the first sliding block 4 and outer tube 3 well,
Keep the micro-displacement of its axial direction smaller, in addition the outer wall of first sliding block 4, which is equipped with, prevents determining for the first sliding block 4 rotation
Position item 43, the positioning strip 43 are inserted into the sliding slot 32, after positioning strip 43 is inserted into sliding slot 32, the first sliding block 4 can not be rotated,
Prevent the first clamping part 41 mitigates wear intensity from being rotated in annular slot 31.In addition, cast aside for the present embodiment,
In the case where elevating mechanism does not have elastic spacing circle 20, when the first sliding block 4 slides near the second sliding block 5, the first sliding block 4
In the first clamping part 41 easily with draw runner 53 generate physical interference, so be also intended to the first clamping part 41 carry out rotary spacing
, so being positioned using positioning strip 43 and sliding slot 32, in the case where not design flexibility spacing collar 20 then by the first clamping part
41 mutually stagger setting with draw runner 53, and a kind of scheme for avoiding the first sliding block 4 and the second sliding block 5 from colliding.
Embodiment 2: the difference from embodiment 1 is that, be not provided with ball 6 on the first sliding block 4 in the present embodiment, take and
Instead of be that annular oil storage tank 45 is equipped on the inner wall of the first sliding block 4, after designing annular oil storage tank 45, lubricating oil can be stored up temporarily
There are in annular oil storage tank 45, when the first sliding block 4 is slided with 2 outer wall of inner tube, the lubricating oil being stored in annular oil storage tank 45 can
To play lubricating action, reduce the frictional force between the first sliding block 4 and inner tube 2, annular oil storage tank 45 can also reduce lubricating oil
It is lost, waste rate is low, in order to enable lubricating oil can be entered preferably in annular oil storage tank 45, towards the in first sliding block 4
It is equipped with oil-feed tank 46 between the end face in two sliding blocks, 5 direction and annular oil storage tank 45, user need to only smear on the outer wall of inner tube 2
Certain lubricating oil, when the sliding of the first sliding block 4 is on 2 outer wall of inner tube, lubricating oil can enter annular oil storage along oil-feed tank 46 automatically
In slot 45.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to attached drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the range of claims.
Claims (10)
1. a kind of elevating mechanism that the service life is longer, including pedestal, lifting column is installed on pedestal, is equipped with and is used in pedestal
The transmission device for driving lifting column flexible, the lifting column are mutually socketed by least two casings and are formed, and every two is mutually socketed
Casing in include inner and outer tubes, the first sliding block and the second sliding block are equipped between inner and outer tubes, first sliding block is fixed
Outer tube inner wall bottom and be slidably matched with inner tube, second sliding block is fixed at the top of the outer wall of inner tube and slides with outer tube
Cooperation, it is characterised in that: first sliding block and the second sliding block are ring structure, and wherein one end faces the to first sliding block
Two sliding blocks are extended with the first clamping part, and the inner wall of the outer tube is equipped with the annular slot with the first clamping part snapping, described
The inner wall of second sliding block is equipped with the second buckle group, and the outer wall of said inner tube is equipped with the buckle with the second buckle group snapping
Hole, said inner tube are equipped with limited ring groove between the first sliding block and the second sliding block, are equipped with elastic spacing circle in the limited ring groove.
2. a kind of elevating mechanism that the service life is longer as described in claim 1, it is characterised in that: the second buckle group edge
Second sliding block inner wall is circumferentially at least distributed with two groups, and there are two second along the second sliding block axial directional distribution for every group of second buckle group
Clamping part.
3. a kind of elevating mechanism that the service life is longer as claimed in claim 2, it is characterised in that: second sliding block is every
The profile of a second clamping part is externally provided with separating tank.
4. a kind of elevating mechanism that the service life is longer as described in claim 1, it is characterised in that: outside second sliding block
The extending radially outward draw runner for having linear of wall, draw runner is parallel with the second sliding block axial direction, the outer tube wall be equipped with
The sliding slot that draw runner matches.
5. a kind of elevating mechanism that the service life is longer as claimed in claim 4, it is characterised in that: the draw runner is equipped with
At least two ball.
6. a kind of elevating mechanism that the service life is longer as claimed in claim 4, it is characterised in that: the draw runner is equipped with
Mounting groove, mounting groove is interior to be equipped with the ball mounting bar for being equipped with multiple balls.
7. a kind of elevating mechanism that the service life is longer as claimed in claim 4, it is characterised in that: first sliding block is separate
Extending radially outward on the end face of second sliding block to have annular flange, the outer wall of first sliding block, which is equipped with, prevents the first sliding block from turning
Dynamic positioning strip, the positioning strip are inserted into the sliding slot.
8. a kind of elevating mechanism that the service life is longer as described in claim 1, it is characterised in that: the close bottom of said inner tube
The outer wall in portion is equipped with provides the relief portion of avoiding space for the first clamping part of the first sliding block during installation, and the relief portion is
The blind hole or through-hole being located on outer wall of inner tube.
9. the as described in claim 1 a kind of elevating mechanism that the service life is longer, it is characterised in that: first sliding block it is interior
Wall is equipped with annular oil storage tank, in first sliding block towards be equipped between the end face and annular oil storage tank in the second sliding block direction into
Oil groove.
10. a kind of elevating mechanism that the service life is longer as described in claim 1, it is characterised in that: the outside pipe
It is cased with undulatory dust-proof sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205560.XA CN105645301B (en) | 2016-04-01 | 2016-04-01 | A kind of elevating mechanism that the service life is longer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205560.XA CN105645301B (en) | 2016-04-01 | 2016-04-01 | A kind of elevating mechanism that the service life is longer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105645301A CN105645301A (en) | 2016-06-08 |
| CN105645301B true CN105645301B (en) | 2019-08-13 |
Family
ID=56497063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610205560.XA Active CN105645301B (en) | 2016-04-01 | 2016-04-01 | A kind of elevating mechanism that the service life is longer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105645301B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022266749A1 (en) * | 2021-06-25 | 2022-12-29 | Steve Jensen | Lifting device for pipes |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308051A (en) * | 2016-09-26 | 2017-01-11 | 宁波汇五洲智能科技有限公司 | Single-motor three-tube office table capable of rising and falling |
| CN106308037A (en) * | 2016-09-26 | 2017-01-11 | 宁波汇五洲智能科技有限公司 | Dual-motor three-tube type liftable office table |
| CN106343716A (en) * | 2016-09-26 | 2017-01-25 | 宁波汇五洲智能科技有限公司 | Single-motor and double-tube type liftable office table |
| DE102016221286A1 (en) * | 2016-10-28 | 2018-05-03 | Aktiebolaget Skf | Lifting column |
| CN107187892B (en) * | 2017-06-12 | 2023-04-18 | 歌尔科技有限公司 | Partition pipe feeding device and threading equipment |
| CN109386879B (en) * | 2017-08-04 | 2020-09-18 | 青岛海尔空调电子有限公司 | Indoor unit of air conditioner |
| CN108457942A (en) * | 2018-02-01 | 2018-08-28 | 绍兴康拓传动科技有限公司 | The lifting assembly of non-porous column and the application non-porous column |
| CN110270135A (en) * | 2019-07-17 | 2019-09-24 | 西安工业大学 | A kind of piezoelectric type spinning liquid coalescence oily-water seperating equipment and its method |
| DE102019218645A1 (en) | 2019-11-29 | 2021-06-02 | BSH Hausgeräte GmbH | Sink with the lifting device for an insert plate extending through a bottom wall |
| DE102019218644A1 (en) * | 2019-11-29 | 2021-06-02 | BSH Hausgeräte GmbH | Sink with movable insert plate and sealing cover for a lifting unit |
| DE102019218651A1 (en) * | 2019-11-29 | 2021-06-02 | BSH Hausgeräte GmbH | Sink with push chain or spindle drive for height-adjustable insert plate |
| CN113803022B (en) * | 2020-06-12 | 2023-07-25 | 中国石油化工股份有限公司 | Sliding sleeve device and fracturing string comprising same |
| AU2021286694A1 (en) | 2020-06-12 | 2023-01-19 | China Petroleum & Chemical Corporation | Sliding sleeve device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2916123B1 (en) * | 1997-12-26 | 1999-07-05 | 川崎重工業株式会社 | Separation and coupling structure in work equipment |
| CN204467968U (en) * | 2015-03-13 | 2015-07-15 | 黄怡萍 | Improvement type rotary extension mop |
| CN104863937B (en) * | 2015-04-21 | 2017-10-24 | 浙江捷昌线性驱动科技股份有限公司 | Sleeve-assembled structure and lifting column |
| CN204785444U (en) * | 2015-05-15 | 2015-11-18 | 中山品创塑胶制品有限公司 | Telescopic link mechanism from rapping bar |
| CN104948548B (en) * | 2015-06-11 | 2017-10-17 | 中山豪真精工制品有限公司 | A kind of expansion link |
| CN205025886U (en) * | 2015-11-20 | 2016-02-10 | 北京中电兴发科技有限公司 | Multistage telescopic tube device |
| CN205603133U (en) * | 2016-04-01 | 2016-09-28 | 宁波海仕凯驱动科技有限公司 | Longer elevating system of life |
-
2016
- 2016-04-01 CN CN201610205560.XA patent/CN105645301B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022266749A1 (en) * | 2021-06-25 | 2022-12-29 | Steve Jensen | Lifting device for pipes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105645301A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105645301B (en) | A kind of elevating mechanism that the service life is longer | |
| CN106678139B (en) | A kind of electric telescopic pipe | |
| CN103037735A (en) | Lifting column preferably for height-adjustable tables | |
| CN101813112A (en) | Telescopic tube | |
| CN110718149A (en) | Telescopic structure of electric telescopic screen product | |
| US20220025622A1 (en) | Shower plug bracket and moving assembly | |
| US9709190B2 (en) | Height adjusting mechanism for an inlet valve | |
| CN205603132U (en) | Sliding block set spare that lift post was used | |
| CN205802847U (en) | A kind of slim slide block structure on lifting column | |
| CN102873404B (en) | Cutter expansion and contraction adjustment mechanism | |
| CN215171903U (en) | Linear actuator and lifting platform | |
| CN205231921U (en) | Dead compressor axle sleeve structure of anti -sticking | |
| CN205603133U (en) | Longer elevating system of life | |
| CN205603134U (en) | Improvement of short slider structure for lift post | |
| CN110374991A (en) | A kind of double wave line ball speed reduction bearing that running accuracy is high | |
| CN209915306U (en) | Anti-gliding screw rod lifting stand column | |
| CN209724903U (en) | A kind of compensation hovering mechanism | |
| CN214499942U (en) | Self-locking device of electric actuating mechanism and electric actuating mechanism | |
| CN204704348U (en) | Rolling screw mechanism | |
| CN202468151U (en) | Low-speed large-torque radial plunger type hydraulic motor | |
| CN106044463B (en) | A kind of high-precision elevator lifting guide device with shock-absorbing function | |
| CN107388390B (en) | ceiling machine | |
| CN107212719B (en) | A kind of letter box arrangement | |
| CN110811419A (en) | Cleaning floor brush with belt transmission assembly and transmission method thereof | |
| CN215685992U (en) | Supporting structure and furniture with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |