CN111084487A - Lifting upright column for lifting table and lifting table - Google Patents
Lifting upright column for lifting table and lifting table Download PDFInfo
- Publication number
- CN111084487A CN111084487A CN201911375886.7A CN201911375886A CN111084487A CN 111084487 A CN111084487 A CN 111084487A CN 201911375886 A CN201911375886 A CN 201911375886A CN 111084487 A CN111084487 A CN 111084487A
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- China
- Prior art keywords
- bending part
- outer tube
- inner tube
- lifting
- slider
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- 238000005452 bending Methods 0.000 claims description 103
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/20—Telescopic guides
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
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- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention provides a lifting upright post for a lifting table, which comprises an outer tube (2), an inner tube (3) and a slider (1), wherein the slider (1) is positioned between the outer tube (2) and the inner tube (3), the slider (1) comprises a bent part, one end of the bent part is contacted with the outer tube (2), the other end of the bent part is contacted with the inner tube (3), a fit clearance is formed between the outer tube (2) and the inner tube (3), the bent part and the fit clearance are in interference fit, the bent part is elastically deformed to adapt to clearances of different sizes between the outer tube (2) and the inner tube (3), in addition, the invention also discloses the lifting table adopting the lifting upright post, and the invention has the advantages that the friction plate is adopted, the clearances compensation is not required to be carried out by selecting the friction plates of different sizes, and the clearances of different sizes can be adapted to the clearances of different sizes through the deformation, so that the installation is more convenient.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a lifting upright post for a lifting table and the lifting table, and belongs to the field of lifting tables.
[ background of the invention ]
Two parts of relative activity are when the assembly, because the existence of the material problem of part itself, machining error and assembly error for there is the clearance between two parts of relative activity, appear rocking, card shell scheduling problem when leading to two parts relative activity, and during subsequent assembly, because the clearance exists and leads to the skew ideal position of assembly position, make the follow-up assembly degree of difficulty promote, so need compensate the clearance between two parts.
At present, the inner pipe and the outer pipe of a lifting upright post on a lifting table are lifted through relative movement, a common clearance compensation method between the inner pipe and the outer pipe is to add friction plates between clearances, and the friction plates with corresponding thickness specifications are required to be arranged in different clearances to eliminate the clearances, so that the friction plates are not uniform in size and inconvenient to install.
[ summary of the invention ]
The invention aims to provide a lifting upright post for a lifting table, so that the lifting upright post is more convenient to mount.
In order to solve the technical problem, the preferable structure of the lifting upright post for the lifting table comprises an outer tube, an inner tube and a sliding block, wherein the sliding block is positioned between the outer tube and the inner tube, the sliding block comprises a bending part, one end of the bending part is in contact with the outer tube, the other end of the bending part is in contact with the inner tube, a fit clearance is formed between the outer tube and the inner tube, the bending part is in interference fit with the fit clearance, and the bending part is elastically deformed to adapt to the clearances of different sizes between the outer tube and the inner tube.
After the structure is adopted, firstly, the lifting upright post comprises an outer tube, an inner tube and a sliding block, the sliding block is positioned between the outer tube and the inner tube, the outer tube and the inner tube can move relatively, the sliding block is an independent component and is used for compensating the gap between the outer tube and the inner tube, the sliding block comprises a bending part, one end of the bending part is in contact with the outer tube, the other end of the bending part is in contact with the inner tube, so that the bending part can compensate the gap between the outer tube and the inner tube, the outer tube and the inner tube can exert acting force on the bending part of the sliding block, a fit gap exists between the outer tube and the inner tube, the bending part and the fit gap are in interference fit, one end of the bending part is fully abutted against the outer tube or the inner tube which is in contact with the bending part, that is, the height of the bending part of the slider is changed by elastic deformation, the height refers to the distance between the highest point and the lowest point of the slider along the normal direction of the curved surface of the bending part when the length of the bending part along the normal direction of the curved surface of the bending part is changed due to the deformation, the height of the slider corresponds to the size of the gap between the outer pipe and the inner pipe, so that the slider can compensate the gap between the outer pipe and the inner pipe, when the outer pipe and the inner pipe move relatively, the gap between the outer pipe and the inner pipe can change dynamically along with the relative movement between the outer pipe and the inner pipe, and meanwhile, the bending part of the slider continuously bends and deforms along with the change of the gap between the outer pipe and the inner pipe.
Secondly, friction disc commonly used among the prior art carries out clearance compensation, based on above-mentioned structure, during the installation, need not select the friction disc of equidimension not to carry out clearance compensation because of the difference in clearance between outer tube and the inner tube, only install above-mentioned scheme the slider can, through the adaptable not clearance of equidimension of the bending portion deformation of slider for it is more convenient to install.
Based on the structure, only one type of sliding block is used to be suitable for gaps of different sizes, the types of the sliding block are reduced, the application range of the sliding block is enlarged, the production, processing and management costs are reduced, the production efficiency is improved, and the production difficulty is reduced.
Preferably, the curved portion of the slider is wavy.
Preferably, the bending part includes a first bending part and a second bending part, one end of the first bending part is in contact with the inner tube, the other end of the first bending part is connected with the second bending part, and the second bending part is in contact with the outer tube.
Preferably, the second bent portion is bent with respect to the first bent portion.
Preferably, the bending part further comprises a third bending part, one end of the third bending part is connected with the second bending part, and the other end of the third bending part is in contact with the inner pipe.
Preferably, the sliding block is provided with a dustproof ring.
Preferably, the slider is provided with a notch facilitating deformation of the bending part.
Preferably, the sliding block is a friction plate.
Preferably, the sliding block is provided with a protrusion for positioning.
The invention also discloses a lifting table, which comprises a lifting frame and a lifting upright post, wherein the lifting upright post adopts the lifting upright post in any one of the schemes.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of a lifting column according to the present embodiment;
FIG. 2 is a schematic view of a slider in the first embodiment;
FIG. 3 is a schematic view of the matching of the sliding block, the inner tube and the outer tube of the lifting column of the present embodiment;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a front view of a slider in accordance with one embodiment;
fig. 6 is a left side view of the slider in the first embodiment.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the following description, the terms such as "inner", "outer", "upper", "lower", "left", "right", etc., which indicate orientations or positional relationships, are used to indicate orientations or positional relationships based on the drawings, and are only used for convenience in describing embodiments and for simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 3, the preferred structure of the lifting column for the lifting table of the present embodiment includes an outer tube 2, an inner tube 3 and a slider 1, the slider 1 is located between the outer tube 2 and the inner tube 3, the slider 1 includes a bending portion, one end of the bending portion contacts with the outer tube 2, the other end contacts with the inner tube 3, a fit clearance exists between the outer tube 2 and the inner tube 3, the bending portion contacts with the fit clearance, and the bending portion is adapted to the clearance between the outer tube 2 and the inner tube 3 with different sizes by elastic deformation.
After adopting above-mentioned structure, at first, the lift stand includes outer tube 2, inner tube 3 and slider 1, slider 1 is located outer tube 2 with between the inner tube 3, outer tube 2 and inner tube 3 between can the relative motion, slider 1 is independent part and is used for compensating the clearance between outer tube 2 and the inner tube 3, slider 1 include the flexion, the one end of flexion with outer tube 2 contacts, the other end with inner tube 3 contacts for the flexion can compensate the clearance between outer tube 2 and the inner tube 3, and outer tube 2 and inner tube 3 can exert the effort to the flexion of slider 1, the flexion outer tube 2 with there is the fit clearance between the inner tube 3, the flexion with be interference fit between the fit clearance for the one end of flexion fully supports outer tube 2 or inner tube 3 rather than the contact, the flexion is through taking place elastic deformation in order to adapt to outer tube 2 with not equidimension between the inner tube 3 The gap, namely the bending part of the slider 1 changes its height by elastic deformation, the height refers to the distance between the highest point and the lowest point of the slider 1 along the normal direction of the curved surface of the bending part when the length of the bending part changes along the normal direction of the curved surface of the bending part due to the deformation, the height of the slider 1 corresponds to the size of the gap between the outer tube 2 and the inner tube 3, so that the slider 1 can compensate the gap between the outer tube 2 and the inner tube 3, and when the outer tube 2 and the inner tube 3 move relatively, the gap between the outer tube 2 and the inner tube 3 can change dynamically along with the relative movement between the two, and meanwhile, the bending part of the slider 1 continuously bends and deforms along with the change of the gap between the outer tube 2 and the inner tube 3 to adapt to gaps with different sizes.
Secondly, the friction disc commonly used in the prior art carries out clearance compensation, and based on the structure, when the installation, the friction disc with different sizes does not need to be selected for carrying out clearance compensation because of the difference of the clearance between the outer tube 2 and the inner tube 3, only the slide block 1 in the scheme is installed, and the installation is more convenient because the bending part of the slide block 1 deforms to adapt to the clearances with different sizes.
Based on the structure, only one type of the sliding block 1 can be suitable for gaps of different sizes, the types of the sliding block 1 are reduced, the application range of the sliding block 1 is enlarged, the production, processing and management costs are reduced, the production efficiency is improved, and the production difficulty is reduced.
In order to optimize the structure, the bending portion of the sliding block 1 is preferably wavy, the wavy shape includes a plurality of bending portions, the stability between the outer tube 2 and the inner tube 3 is increased by additionally arranging the plurality of bending portions, and the deformation capacity of the bending portion can be changed by changing the bending angle of the wavy bending portion, so that the stability between the outer tube 2 and the inner tube 3 is increased.
In order to make the sliding block 1 capable of bending and deforming, as shown in fig. 5, the bending portion of the present embodiment preferably includes a first bending portion and a second bending portion, the first bending portion has one end contacting with the inner tube 3 and the other end connected with the second bending portion, the second bending portion contacts with the outer tube 2, the outer tube 2 and the inner tube 3 have a gap therebetween in the circumferential direction, when the outer tube 2 and the inner tube 3 move relatively, the gap between the outer tube 2 and the inner tube 3 changes along with the relative movement of the outer tube 2 and the inner tube 3 in the circumferential direction, and the gap in each direction in the circumferential direction dynamically changes, so that the sliding block 1 is annular and is installed in the gap in the circumferential direction between the outer tube 2 and the inner tube 3, so that the sliding block 1 can adapt to the gap in the circumferential direction between the outer tube 2 and the inner tube 3, and when the outer tube 2 and the inner tube 3 move relatively, in the circumferential direction of the outer pipe 2 and the inner pipe 3, the gap between the outer pipe 2 and the inner pipe 3 can change along with the relative movement of the two, the sliding block 1 is used for dynamically compensating the gap between the outer pipe 2 and the inner pipe 3, and the sliding block 1 realizes deformation through relative bending of the first bending part and the second bending part.
In order to make the second bending portion capable of bending and deforming relative to the first bending portion, as shown in fig. 6, it is preferable that the second bending portion is bent relative to the first bending portion, one end of the slider 1 contacting with the open end of the outer tube 2 is provided with a connecting ring, one end of the first bending portion is fixed relative to the connecting ring, the other end of the first bending portion is connected with one end of the second bending portion, and the other end of the second bending portion is a free end, so that the free end of the second bending portion can be deformed relative to the first bending portion under stress and abut against the inner surface of the outer tube 2, thereby adapting to different.
In order to increase the stability of the slider 1, the preferred bending portion of this embodiment further includes a third bending portion, one end of the third bending portion is connected to the second bending portion, the other end is in contact with the inner tube 3, the second bending portion is in contact with the outer tube 2, the first bending portion and the third bending portion are both in contact with the inner tube 3, so that when the bending portion is deformed, the second bending portion is located between the first bending portion and the third bending portion, the second bending portion is supported by the first bending portion and the third bending portion, so that after the bending portion is deformed, the second bending portion has no free end, and the bending portion is clamped between the outer tube 2 and the inner tube 3, thereby increasing the stability of the slider.
In order to prevent dust from falling between the outer tube 2 and the inner tube 3, as shown in fig. 2, in the present embodiment, it is preferable that the slider 1 is provided with a dust ring 6, the dust ring 6 is located at the opening end of the outer tube 2, and the thickness of the dust ring 6 is greater than the gap between the outer tube 2 and the inner tube 3, so as to shield the gap between the outer tube 2 and the inner tube 3 and prevent dust from falling between the outer tube 2 and the inner tube 3.
In order to further optimize the structure, be equipped with on the preferred slider 1 of this embodiment and be convenient for the crooked department takes place breach 7 of deformation, breach 7 is located slider 1's circumference outer wall, and breach 7 is longer along the axial direction of outer tube 2, through breach 7, annular flexion is divided into several parts, make every part mutually noninterfere when bending deformation, outer tube 2 and inner tube 3 have different clearances along the not equidirectional in circumference, every clearance is all filled through bending deformation, make the flexion have the difference along not equidirectional deformation degree in circumference, make several parts of being divided by breach 7 can have the deformation of different degrees through breach 7, thereby be adapted to different clearances, make slider 1 can be applicable to multiple different clearances simultaneously.
In order to increase the stability between the outer tube 2 and the inner tube 3, in this embodiment, preferably, the sliding block 1 is a friction plate, and by providing the friction plate, the inner surface of the outer tube 2 and the outer surface of the inner tube 3 are both in contact with the friction plate, and when the relative movement between the outer tube 2 and the inner tube 3 is over, the friction plate can prevent the outer tube 2 and the inner tube 3 from sliding relatively, so as to form self-locking, thereby increasing the stability between the outer tube 2 and the inner tube 3.
In order to enable the slider 1 to be positioned relative to the outer tube 2 or the inner tube 3, as shown in fig. 3 and 4, in the present embodiment, it is preferable that the slider 1 is provided with a protrusion 4 for positioning, when the outer tube 2 and the inner tube 3 are rectangular tubes, four side surfaces of the rectangular ring-shaped slider 1 are respectively provided with the protrusions 4, so that the slider 1 can be positioned more stably relative to the outer tube 2 or the inner tube 3, the outer tube 2 or the inner tube 3 is provided with a positioning hole 5 for engaging the protrusion 4, the protrusion 4 is configured to be installed in the positioning hole 5, and when the outer tube 2 and the inner tube 3 are rectangular tubes, four side surfaces thereof are respectively provided with the positioning holes 5, so that the slider 1 can be positioned more stably relative to.
Example two:
the embodiment discloses a lifting table, wherein the lifting upright column in the embodiment one is used for being installed on the lifting table, the embodiment mainly comprises a lifting frame and the lifting upright column, the lifting upright column comprises an inner tube 3 and an outer tube 2, and a sliding block 1 is adopted between the inner tube 3 and the outer tube 2 for gap compensation.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. A lift stand for lift table, includes outer tube (2), inner tube (3) and slider (1), slider (1) is located outer tube (2) with between inner tube (3), its characterized in that: slider (1) including the flexion, the one end of flexion with outer tube (2) contact, the other end with inner tube (3) contact, outer tube (2) with there is the fit clearance between inner tube (3), the flexion with be interference fit between the fit clearance, the flexion is through taking place elastic deformation in order to adapt to outer tube (2) with not equidimension's clearance between inner tube (3).
2. A lifting column for a lifting table as claimed in claim 1, wherein: the bending part of the sliding block (1) is wavy.
3. A lifting column for a lifting table as claimed in claim 2, wherein: the bending part comprises a first bending part and a second bending part, one end of the first bending part is in contact with the inner pipe (3), the other end of the first bending part is connected with the second bending part, and the second bending part is in contact with the outer pipe (2).
4. A lifting column for a lifting table as claimed in claim 3, wherein: the second bending part is bent relative to the first bending part.
5. A lifting column for a lifting table as claimed in claim 3, wherein: the bending part also comprises a third bending part, one end of the third bending part is connected with the second bending part, and the other end of the third bending part is in contact with the inner pipe (3).
6. A lifting column for a lifting table as claimed in claim 1, wherein: the sliding block (1) is provided with a dustproof ring (6).
7. A lifting column for a lifting table as claimed in claim 1, wherein: the slider (1) on be equipped with and be convenient for the flexion takes place breach (7) of deformation.
8. A lifting column for a lifting table as claimed in claim 1, wherein: the sliding block (1) is a friction plate.
9. A lifting column for a lifting table as claimed in claim 1, wherein: the sliding block (1) is provided with a protrusion (4) for positioning.
10. The utility model provides a lifting table, includes crane and lift stand, its characterized in that: the lifting column adopts the lifting column in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375886.7A CN111084487A (en) | 2019-12-27 | 2019-12-27 | Lifting upright column for lifting table and lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375886.7A CN111084487A (en) | 2019-12-27 | 2019-12-27 | Lifting upright column for lifting table and lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111084487A true CN111084487A (en) | 2020-05-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911375886.7A Pending CN111084487A (en) | 2019-12-27 | 2019-12-27 | Lifting upright column for lifting table and lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111084487A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112932065A (en) * | 2021-02-24 | 2021-06-11 | 宁波汇五洲智能科技有限公司 | Table leg assembly and manufacturing process of positioning groove in table leg assembly |
| CN113455816A (en) * | 2021-08-06 | 2021-10-01 | 懿柏（上海）科技有限公司 | Friction-resistant structure of lifting table leg and mounting method thereof |
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| CN105831971A (en) * | 2016-05-12 | 2016-08-10 | 乐歌人体工学科技股份有限公司 | Friction piece for lifting table leg and using method of friction piece |
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| TWM552767U (en) * | 2017-08-28 | 2017-12-11 | Wen Shan Ke | Apparatus for adjusting height of tabletop |
| CN208434912U (en) * | 2017-11-03 | 2019-01-29 | 曾险峰 | A kind of lifting column |
| CN209331320U (en) * | 2018-11-07 | 2019-09-03 | 东庚企业股份有限公司 | Preferred application is in the telescopic prop of same table |
| CN211703827U (en) * | 2019-12-27 | 2020-10-20 | 浙江捷昌线性驱动科技股份有限公司 | Lifting upright column for lifting table and lifting table |
-
2019
- 2019-12-27 CN CN201911375886.7A patent/CN111084487A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562743A (en) * | 2010-12-31 | 2012-07-11 | 海洋王照明科技股份有限公司 | Lifting rod connecting structure and lifting rod |
| CN104863937A (en) * | 2015-04-21 | 2015-08-26 | 浙江捷昌线性驱动科技股份有限公司 | Sleeve assemble structure and lifting upright |
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| CN209331320U (en) * | 2018-11-07 | 2019-09-03 | 东庚企业股份有限公司 | Preferred application is in the telescopic prop of same table |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112932065A (en) * | 2021-02-24 | 2021-06-11 | 宁波汇五洲智能科技有限公司 | Table leg assembly and manufacturing process of positioning groove in table leg assembly |
| CN113455816A (en) * | 2021-08-06 | 2021-10-01 | 懿柏（上海）科技有限公司 | Friction-resistant structure of lifting table leg and mounting method thereof |
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