CN112336053A - Meet and hinder and dodge stand and lift table - Google Patents
Meet and hinder and dodge stand and lift table Download PDFInfo
- Publication number
- CN112336053A CN112336053A CN202011124959.8A CN202011124959A CN112336053A CN 112336053 A CN112336053 A CN 112336053A CN 202011124959 A CN202011124959 A CN 202011124959A CN 112336053 A CN112336053 A CN 112336053A
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- CN
- China
- Prior art keywords
- installation frame
- strain gauge
- driving motor
- gasket
- main control
- 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.)
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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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
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- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0051—Telescopic
-
- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
- A47B2200/0059—Leg adjustment with a motor, e.g. an electric motor in telescoping table legs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a resistance avoiding upright post and a lifting table, belonging to the technical field of lifting upright posts, comprising a telescopic sleeve, a driving motor, a main control unit for controlling the driving motor, a transmission assembly for driving the telescopic sleeve to stretch under the driving of the driving motor and an installation frame arranged above the telescopic sleeve, wherein the installation frame is provided with a strain gauge which is electrically connected with the main control unit, when the installation frame is in resistance along with the rising process of the upright post, the main control unit sends a braking and/or reversing instruction according to a level change signal generated by the deformation of the strain gauge, and the strain gauge in the upright post is arranged on the installation frame but is not in contact with the motor, so that the pressure brought by obstacles can be sensitively sensed, the false alarm caused by the vibration when the motor rotates is reduced, the sensitivity and the accuracy are high, the structure is simple, the assembly is convenient, the universality is strong.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of lifting columns, in particular to a column avoiding when encountering a resistance and a lifting table.
[ background of the invention ]
Along with the development of economy and science and technology, intelligent home and office have become the mainstream trend, such as electric lifting table, electric lifting bed, etc., its lift mainly relies on electric lifting stand to realize, the lift furniture is in the lift in-process, when meetting the barrier, if not stop in time, can destroy barrier or furniture self structure, can also collide or extrude the human body in serious time, cause the injury of human body, therefore, set up on the stand and meet and hinder and dodge the structure, it is very important to make it have and meet the barrier and can stop or the function of backing, some lifting stands in the existing market also have meet hinder function of backing yet, but some performance is incomplete, there are sensitivity and low accuracy, thus the problem of misreport takes place, or the structure is complicated, the cost is too high.
[ summary of the invention ]
The invention aims to solve the technical problem of overcoming the defects in the prior art and designs a blockage avoiding upright post with high sensitivity and accuracy.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a meet and hinder stand of dodging, includes telescopic tube, driving motor, control driving motor's main control unit drive under the driving motor drive telescopic tube's transmission assembly with establish the installation frame of telescopic tube top, be equipped with the foil gage on the installation frame, the foil gage with the main control unit electricity is connected, and the installation frame rises the in-process along with the stand and meets when hindering, the main control unit basis level change signal that the foil gage deformation produced sends braking and/or reversal instruction.
The beneficial effect of this scheme of adoption:
1. in the scheme, a strain gauge is arranged on an installation frame, a desktop and the like are arranged above the installation frame, when an upright column rises, the desktop meets an obstacle and is stressed suddenly in the axial direction to extrude the installation frame, the strain gauge is arranged on the installation frame and can sensitively sense the pressure and correspondingly deform, the strain gauge changes inside the strain gauge, the strain gauge is directly and electrically connected with a main control unit of a driving motor, so that the main control unit can rapidly and accurately receive the level change and send a braking and/or reversing instruction to the driving motor to stop the motor from rotating and/or reversing, so that the upright column stops at the position and does not continue to rise or return to prevent damage to articles or injury to human bodies, the strain gauge in the upright column is arranged on the installation frame but does not contact with the motor, so that the pressure brought by the obstacle can be sensed sensitively, and the false alarm caused by the vibration of the motor during rotation is reduced, and the sensitivity and the accuracy of the obstacle detection are improved.
2. Use the foil gage in this scheme as meeting and hinder the detection piece, sensitivity is high, simple structure, the assembly of being convenient for, direct mount on the installation frame can, need not destroy the original structure of stand, reduce the change cost, this meeting moreover hinders on the detection structure can be applicable to various types of stands, the commonality is strong, application scope is wide.
Preferably, the bottom surface of the mounting frame is provided with a resilient gasket, and the strain gauge is attached to the resilient gasket.
Preferably, the gasket is a stainless steel or manganese steel spring back gasket.
Preferably, the strain gauge is attached to the upper side of the rebound gasket, and an insulating pad is arranged between the strain gauge and the mounting frame.
Preferably, the rebound gasket is installed through an installation screw, and the installation screw sequentially penetrates through the rebound gasket and the insulation pad and then is fixed on the installation frame.
Preferably, a positioning plate is fixedly arranged at the upper end of the telescopic sleeve, a buffering elastic piece is arranged between the rebound gasket and the positioning plate, and the buffering elastic piece is fixed on the positioning plate.
Preferably, the cushion elastic member includes a rubber gasket or a soft polyurethane foam gasket.
Preferably, the driving motor comprises a brushless speed reduction motor, the brushless speed reduction motor and the transmission assembly are arranged in the telescopic sleeve and are axially connected, the positioning plate and the brushless speed reduction motor are arranged on the same side of the transmission assembly, and the brushless speed reduction motor synchronously goes up and down along with the telescopic sleeve.
Preferably, the telescopic sleeve is a square tube sleeve or a circular tube sleeve.
The other technical scheme adopted by the invention is as follows:
a lifting table comprises a table top, wherein a barrier avoiding upright column in any technical scheme is arranged below the table top.
These features and advantages of the invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings in which:
fig. 1 is a schematic view of a three-dimensional structure of a barrier avoiding upright post of the invention.
FIG. 2 is an exploded view of a barrier avoidance column of the present invention.
FIG. 3 is a cross-sectional view of a resistance avoidance column of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Reference numerals: a telescopic tube 1; a positioning plate 101; a mounting frame 2; a rebound pad 3; an insulating pad 4; mounting screws 5; a cushion elastic member 6; a brushless gear motor 7; and a transmission assembly 8.
[ 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 description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The first embodiment is as follows:
as shown in fig. 1 to 4, a resistance avoidance stand column comprises a telescopic tube 1, a driving motor, a main control unit for controlling the driving motor, a transmission assembly 8 for driving the telescopic tube 1 to stretch under the driving of the driving motor, and an installation frame 2 arranged above the telescopic tube 1, wherein a strain gauge is arranged on the installation frame 2, the strain gauge is electrically connected with the main control unit, and when the installation frame 2 is resistant along with the rise of the stand column, the main control unit sends a braking and/or reversing instruction according to a level change signal generated when the strain gauge is deformed.
In this embodiment, a strain gauge is disposed on the mounting frame 2, a table top and the like are disposed above the mounting frame 2, when the column rises, the table top encounters an obstacle and is suddenly stressed in the axial direction to squeeze the mounting frame 2, the strain gauge is mounted on the mounting frame 2 and can sensitively sense the pressure and accordingly deform and change resistance therein, the strain gauge is electrically connected to the main control unit of the driving motor, so that the main control unit can rapidly and accurately receive the change of the level and send a braking and/or reversing command to the driving motor to stop the motor from rotating and/or reversing, so that the column stops at the position and does not continue to rise or return to prevent damage to articles or injury to human body, the strain gauge in the column is disposed on the mounting frame 2 but does not contact with the driving motor, thereby sensitively sensing the pressure caused by the obstacle, and the false alarm caused by vibration when the driving motor rotates is reduced, and the sensitivity and the accuracy of detection are improved. Use the foil gage as meeting in this embodiment and hinder the detection piece, sensitivity is high, simple structure, and it is little to occupy space, the assembly of being convenient for, direct mount on installation frame 2 can, need not destroy the original structure of stand, reduce the change cost, this meets moreover and hinders on detection structure can be applicable to various types of stands, the commonality is strong, application scope is wide.
In order to further improve detection effect, as shown in fig. 2-4, 2 bottom surfaces of installation frame are equipped with resilience gasket 3, the foil gage pastes on resilience gasket 3, resilience gasket 3 is preferred longe-lived, the effectual stainless steel resilience gasket or the manganese steel resilience gasket of low price and resilience, deformation through resilience gasket 3 drives the deformation of foil gage, resilience gasket 3 in this embodiment is thin and smooth, further reduce unstable surface, for example it is coarse, the detection error that the obvious surface of vibration caused, also protect the foil gage, prevent it from being destroyed, prolong its life, in order to avoid operation in-process resilience gasket 3 drops, the foil gage pastes at 3 upsides of resilience gasket, installation frame 2 is generally the metal, in order to avoid the contact electrically conductive, be equipped with insulating pad 4 between foil gage and the installation frame 2. In this embodiment, resilience gasket 3 is installed through mounting screw 5, and during the assembly, mounting screw 5 passes resilience gasket 3 and insulating 4 after-fixing on installation frame 2 in proper order, makes it become a whole module, and follow-up easier is installed to telescopic tube 1 on.
Of course, the strain gage can also be arranged on the top surface of the mounting frame 2, wherein the strain gage is deformed by the table top pressing against the mounting frame 2.
Fixed locating plate 101 that is equipped with in telescopic tube 1 upper end, locating plate 101 welds the top at telescopic tube 1, in order to make the resistance that the barrier produced cushion, transmit the resistance to the foil gage with softer mode, be equipped with buffering elastic component 6 between resilience gasket 3 and locating plate 101, buffering elastic component 6 is fixed on locating plate 101, thereby the life-span of extension foil gage and resilience gasket 3, the preferred rubber gasket or soft polyurethane foam gasket of buffering elastic component 6 in this embodiment, wherein polyurethane foam is made by isocyanate and hydroxyl compound through polymerization foaming, soft polyurethane foam gasket has splendid elasticity, compliance, elongation and compressive strength, chemical stability is good, resistant solvent and oils, the wearability is good, thermal insulation, adhesive property is good, is a good buffer material.
The brushless gear motor 7 is preferably selected as the driving motor in the embodiment, the telescopic tube 1 can be a square tube sleeve or a round tube sleeve, the brushless gear motor 7 is long in service life, low in noise, flexible to install and high in market value, the brushless gear motor 7 and the transmission assembly 8 are arranged in the telescopic tube 1 and axially connected, the positioning plate 101 and the brushless gear motor 7 are arranged on the same side of the transmission assembly 8, and the brushless gear motor 7 synchronously ascends and descends along with the extension of the telescopic tube 1.
Of course, the upright post may also be a conventional L-shaped with brush, i.e. the motor has a carbon brush and the installation direction is perpendicular to the upright post.
Example two:
a lifting table comprises a table top, wherein the obstacle avoiding upright column in the embodiment is arranged below the table top.
While the foregoing is directed to embodiments of the present invention, the scope of the invention should not be limited thereby, and it will be apparent to those skilled in the art that the invention includes, but is not limited to, those illustrated in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a meet and hinder stand of dodging, includes telescopic tube, driving motor, control driving motor's main control unit drive under the driving motor drive telescopic tube's transmission assembly with establish the installation frame of telescopic tube top, a serial communication port, be equipped with the foil gage on the installation frame, the foil gage with the main control unit electricity is connected, and the installation frame rises along with the stand when meeting and hinder, the main control unit basis the level change signal that the foil gage deformation produced sends braking and/or reversal instruction.
2. The encounter and obstacle avoidance column of claim 1, wherein a resilient gasket is disposed on a bottom surface of the mounting frame, and the strain gauge is attached to the resilient gasket.
3. The encounter avoidance column of claim 2, wherein the resilient shim comprises a stainless steel resilient shim or a manganese steel resilient shim.
4. The encounter avoidance column of claim 2, wherein the strain gauge is attached to the upper side of the resilient pad, and an insulating pad is arranged between the strain gauge and the mounting frame.
5. The encounter avoidance column of claim 4, wherein the resilient spacer is mounted by mounting screws, and the mounting screws sequentially penetrate through the resilient spacer and the insulating pad and then are fixed on the mounting frame.
6. The obstacle avoiding pillar according to claim 2, wherein a positioning plate is fixedly arranged at the upper end of the telescopic tube, and a buffering elastic member is arranged between the rebound gasket and the positioning plate and is fixed on the positioning plate.
7. The encounter avoidance column of claim 6 wherein said cushion spring comprises a rubber gasket or a flexible polyurethane foam gasket.
8. The encounter resistance avoidance column according to claim 1, wherein the driving motor comprises a brushless speed reduction motor, the brushless speed reduction motor and the transmission assembly are disposed in the telescopic sleeve and axially connected, the positioning plate and the brushless speed reduction motor are disposed on the same side of the transmission assembly, and the brushless speed reduction motor synchronously ascends and descends along with the telescopic sleeve.
9. The encounter-resistance avoidance upright post according to claim 1, wherein the telescopic sleeve is a square tube sleeve or a circular tube sleeve.
10. An elevating table comprising a table top, wherein the table top is provided with a barrier avoiding upright column as claimed in any one of claims 1 to 9 below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124959.8A CN112336053A (en) | 2020-10-20 | 2020-10-20 | Meet and hinder and dodge stand and lift table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124959.8A CN112336053A (en) | 2020-10-20 | 2020-10-20 | Meet and hinder and dodge stand and lift table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112336053A true CN112336053A (en) | 2021-02-09 |
Family
ID=74358343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011124959.8A Pending CN112336053A (en) | 2020-10-20 | 2020-10-20 | Meet and hinder and dodge stand and lift table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112336053A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023241178A1 (en) * | 2022-06-15 | 2023-12-21 | 浙江捷昌线性驱动科技股份有限公司 | Vertical lifting column having encountered obstruction detection function, and electric lifting mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206137515U (en) * | 2016-07-15 | 2017-05-03 | 浙江捷昌线性驱动科技股份有限公司 | Safe lift table |
| CN206137516U (en) * | 2016-07-15 | 2017-05-03 | 浙江捷昌线性驱动科技股份有限公司 | Safe lift platform |
| CN109156988A (en) * | 2018-08-28 | 2019-01-08 | 威视纳股份有限公司 | A kind of electric elevating rack and its control system and control method |
| CN111329229A (en) * | 2020-03-19 | 2020-06-26 | 乐歌人体工学科技股份有限公司 | Electric lifting table capable of realizing function of returning back when meeting resistance |
| CN214283819U (en) * | 2020-10-20 | 2021-09-28 | 宁波海仕凯驱动科技有限公司 | Lifting upright post and lifting table avoiding resistance |
-
2020
- 2020-10-20 CN CN202011124959.8A patent/CN112336053A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206137515U (en) * | 2016-07-15 | 2017-05-03 | 浙江捷昌线性驱动科技股份有限公司 | Safe lift table |
| CN206137516U (en) * | 2016-07-15 | 2017-05-03 | 浙江捷昌线性驱动科技股份有限公司 | Safe lift platform |
| CN109156988A (en) * | 2018-08-28 | 2019-01-08 | 威视纳股份有限公司 | A kind of electric elevating rack and its control system and control method |
| CN111329229A (en) * | 2020-03-19 | 2020-06-26 | 乐歌人体工学科技股份有限公司 | Electric lifting table capable of realizing function of returning back when meeting resistance |
| CN214283819U (en) * | 2020-10-20 | 2021-09-28 | 宁波海仕凯驱动科技有限公司 | Lifting upright post and lifting table avoiding resistance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023241178A1 (en) * | 2022-06-15 | 2023-12-21 | 浙江捷昌线性驱动科技股份有限公司 | Vertical lifting column having encountered obstruction detection function, and electric lifting mechanism |
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