CN206380907U - The stopping means and lifting column of a kind of lowering or hoisting gear - Google Patents
The stopping means and lifting column of a kind of lowering or hoisting gear Download PDFInfo
- Publication number
- CN206380907U CN206380907U CN201621065462.2U CN201621065462U CN206380907U CN 206380907 U CN206380907 U CN 206380907U CN 201621065462 U CN201621065462 U CN 201621065462U CN 206380907 U CN206380907 U CN 206380907U
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- China
- Prior art keywords
- trigger member
- lowering
- hoisting gear
- tubule
- connecting rod
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Abstract
The utility model provides a kind of stopping means and lifting column of lowering or hoisting gear, wherein, including the tubule managed greatly, be sheathed in big pipe, the trigger member, upper limit position switch and the lower position switch that are connected located at intratubular connecting rod, with tubule, the upper end of big pipe is provided with upper large flange, the lower end of big pipe is provided with lower large flange, the upper end of tubule is provided with upper small flange, the lower end of tubule is provided with down small flange, the outside of connecting rod is provided with locating part, trigger member includes upper trigger member and lower trigger member, and connecting rod is fixedly connected through upper trigger member with lower trigger member.By setting stopping means so that lowering or hoisting gear can be automatically stopped lifting when reaching the extreme position of setting, it is to avoid because of artificial operational error and caused by damage to lowering or hoisting gear, and improve the security that lowering or hoisting gear is used；Meanwhile, this limit device structure is simple, easily realizes, and reliable and stable.
Description
Technical field
The utility model is related to lowering or hoisting gear technical field, more particularly to a kind of lowering or hoisting gear stopping means and safety
Lifting column.
Background technology
With extensive use of the desk in people's work, studying and living, desk such as computer desk, desk, desk etc.
Many convenience are brought to us, with the application demand of people, comfortable, facility to desk also require that more and more higher, are full
The demand of sufficient people, the desk extremely people that can adjust height like, then occur in that adjustable for height desk.
Existing lowering or hoisting gear generally comprises lifting column, but existing lifting column has some problems, such as lifting column
It when reaching the limit of position, without position limiting structure or device, can depart from the sleeve pipe of lifting column, influence making for lifting column
With, and there is certain potential safety hazard.
The content of the invention
The purpose of this utility model is that the stopping means for providing a kind of lowering or hoisting gear simple in construction, safe and lifting are vertical
Post.
In order to achieve the above object, the utility model is adopted the following technical scheme that：A kind of stopping means of lowering or hoisting gear, its
In, including tubule, the trigger member being connected located at intratubular connecting rod, with tubule, the upper limit position switch managed greatly, be sheathed in big pipe
And lower position switch, the upper end of big pipe is provided with upper large flange, and the lower end of big pipe is provided with lower large flange, and the upper end of tubule is provided with upper small
Flange, the lower end of tubule is provided with down small flange, and the outside of connecting rod is provided with locating part, and trigger member includes upper trigger member and lower triggering
Part, connecting rod is fixedly connected through upper trigger member with lower trigger member.
Further, the big pipe can be moved back and forth between upper extreme position and lower limit position, and big pipe is moved to
During extreme position, lower large flange contradicts upper small flange and simultaneously drives tubule to move upwards, under small flange contradict locating part and the company of drive
Bar is moved upwards, and connecting rod drives lower trigger member triggering lower position switch；When big pipe moves to lower limit position, upper large flange is contradicted
Upper small flange simultaneously drives tubule to move downward, under small flange contradict upper trigger member, small flange and pushed under lower large flange is contradicted
Trigger member triggers upper limit position switch.
Further, back-moving spring is provided between the upper trigger member and lower trigger member.
Further, the locating part is the positive stop lug boss outside connecting rod, and positive stop lug boss is integrally formed with connecting rod.
Further, the locating part is to be sheathed on the stop nut outside connecting rod.
Further, the upper limit position switch and lower position switch are microswitch.
The utility model also provides a kind of lifting column, including inner tube, middle pipe, outer tube, the first screw mandrel, is sheathed on first
The second screw mandrel and motor in bar, wherein, the lifting column also includes the stopping means described in any of the above-described technical scheme, limit
Position device is located in inner tube and positioned at motor side, and upper limit position switch and lower position switch are electrically connected with motor respectively.
Further, said inner tube includes interior tube body, is covered on the upper inner end plate of interior tube body, and upper inner end plate passes through upper big method
It is blue to be fixedly connected with big pipe.
Further, the mounting bracket for being used for installing upper limit position switch and lower position switch is provided with said inner tube.
Further, said inner tube and middle pipe be socketed and can along middle pipe axially reciprocating, middle pipe with outer tube socket simultaneously
Can along outer tube axially reciprocating, the first screw mandrel is connected with inner tube, and the second screw mandrel is connected with outer tube, and motor is located in inner tube simultaneously
Coordinate with the first screw mandrel, the second screw rod transmission to drive inner tube, the tube and the outer tube axially reciprocating.
After adopting the above technical scheme, the utility model has the following advantages that：
1st, by setting stopping means so that lowering or hoisting gear can be automatically stopped lifting when reaching the extreme position of setting,
Avoid because of artificial operational error and caused by damage to lowering or hoisting gear, and improve the security that lowering or hoisting gear is used.
2nd, stopping means include managing greatly, the tubule that is sheathed in big pipe, be connected located at intratubular connecting rod, with tubule it is tactile
Outbox, upper limit position switch and lower position switch, the upper end of big pipe are provided with upper large flange, and the lower end of big pipe is provided with lower large flange, small
The upper end of pipe is provided with upper small flange, and the lower end of tubule is provided with down small flange, and the outside of connecting rod is provided with locating part, and trigger member includes upper
Trigger member and lower trigger member, connecting rod are fixedly connected through upper trigger member with lower trigger member, and so big pipe is rising to extreme position
When, lower large flange contradicts upper small flange and simultaneously drives tubule to move upwards, under small flange contradict locating part and drivening rod is transported upwards
Dynamic, connecting rod drives lower trigger member triggering lower position switch；When big pipe moves to lower limit position, upper large flange contradicts upper small flange
And drive tubule to move downward, under small flange contradict upper trigger member, small flange and push upper trigger member under lower large flange is contradicted and touch
Send out upper limit position switch so that lowering or hoisting gear reach capacity position when can be automatically stopped lifting, it is to avoid because of artificial operational error
The damage to lowering or hoisting gear is caused, and improves the security that lowering or hoisting gear is used；Meanwhile, this limit device structure is simple, easily
Realize, and it is reliable and stable.
3rd, by setting back-moving spring, be easy to upper trigger member and lower trigger member is returned to initial position.
4th, by the positive stop lug boss being set to locating part outside the connecting rod, and positive stop lug boss and connecting rod one into
Type, is so easy to the machine-shaping of connecting rod and positive stop lug boss, improves production efficiency.
5th, by the stop nut for being set to be sheathed on by locating part outside connecting rod, this mode is simple in construction, easily realizes,
Existing nut is directly placed on to the outside of connecting rod, and this mode is molded without secondary operation, is manufactured into so as to reduce
This.
6th, by the way that upper limit position switch and lower position switch are arranged into microswitch, this mode is simple, easily realize, and cost
Low, stability is good, safe and reliable.
7th, the utility model also provides a kind of safe lifting column, by the way that stopping means is arranged in lifting column
Guan Zhong, so that lifting column reach capacity position when can be automatically stopped lifting, it is to avoid because of artificial operational error and caused by
Damage to lifting column, and improve the security that lifting column is used；Meanwhile, stopping means is located at motor side, convenient
The layout of stopping means and motor, reduces the radial dimension of inner tube, improves the aesthetics of lifting column.
8th, upper inner end plate is fixedly connected by upper large flange with big pipe, so fixed reliable, is difficult abjection；By setting peace
Between dress, it is easy to the installation of upper limit position switch and lower position switch to fix, and triggers accurate, reliable and stable.
9th, because existing drive device is typically all disposed within the lower end of lifting column, and after lifting column rising outside meeting
Expose, this not only increases the setting height(from bottom) of lifting column, also affect aesthetics and the life-span of lifting column, by inciting somebody to action
Drive device is located in inner tube so that the stroke of lifting column and the mounting distance of lifting column partially overlap, and reduce lifting
The axially mounted size of column, and being set with each other by two screw mandrels, rises when stretching out on the drive means, the first screw mandrel and
Second screw mandrel is reversely separated, add lifting column can elevated height, and drive device decline shrink when, the second screw mandrel can
It is sleeved in the first screw mandrel so that lifting column is collapsible to minimum, reduce further mounting distance, and be easy to lifting column
Storage；Meanwhile, drive device is arranged on inner tube there, when lifting column rises, and drive device, which will not be exposed outside, to be come, lifting
The aesthetics of lifting column；Further, drive device is located at inner tube there, and water, dust and other impurities can be avoided to enter drive device
It is interior, good working environment is provided to drive device, so that the service life of drive device is improved, and then it is vertical to improve lifting
The service life of post.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the sectional view of stopping means described in the utility model.
The enlarged drawing that Fig. 2 is A in Fig. 1.
The enlarged drawing that Fig. 3 is B in Fig. 1.
Fig. 4 is the sectional view of lifting column described in the utility model.
The enlarged drawing that Fig. 5 is C in Fig. 4.
Fig. 6 is the cooperation schematic diagram of motor and stopping means in lifting column described in the utility model.
Each component names are marked in figure as follows：
1st, big pipe；11st, upper large flange；12nd, lower large flange；2nd, tubule；21st, upper small flange；22nd, small flange under；3rd, connecting rod；
31st, locating part；4th, upper limit position switch；5th, lower position switch；6th, upper trigger member；7th, lower trigger member；8th, inner tube；81st, interior tube body；
82nd, upper inner end plate；9th, middle pipe；91st, middle tube body；92nd, middle end of upper section lid；93rd, lower end plates；10th, outer tube；101st, outer tube body；102、
Upper outer end cap；103rd, lower outer end plate；110th, back-moving spring；120th, the first screw mandrel；130th, the second screw mandrel；140th, motor；150th, pacify
Fill support.
Embodiment
As shown in Figures 1 to 3, the utility model provides a kind of stopping means of lowering or hoisting gear, including big pipe 1, be sheathed on it is big
Tubule 2 in pipe 1, the connecting rod 3 in tubule 2, the trigger member being connected with tubule 2, upper limit position switch 4 and lower position switch 5,
Trigger member includes upper trigger member 6 and lower trigger member 7, and the upper end of big pipe 1 is provided with upper large flange 11, and the lower end of big pipe 1 is provided with lower big
Flange 12, the upper end of tubule 2 is provided with upper small flange 21, and the lower end of tubule is provided with down small flange 22, and the outside of connecting rod 3 is provided with spacing
Part 31, connecting rod 3 is fixedly connected through upper trigger member 6 with lower trigger member 7, so that lowering or hoisting gear is in the limit position for reaching setting
Lifting can be automatically stopped when putting, it is to avoid because artificial operational error and caused by damage to lowering or hoisting gear, and improve lifting dress
Put the security used.
Stopping means has a upper extreme position and lower limit position, big pipe 1 can upper extreme position and lower limit position it
Between move back and forth, when big pipe 1 moves to upper extreme position, i.e., when big pipe 1 rises, lower large flange 12 contradicts upper small flange 21 simultaneously
Drive tubule 2 to move upwards, under small flange 22 contradict locating part 31 and drivening rod 3 is moved upwards, connecting rod 3 drives lower trigger member
7 triggering lower position switch 5；When big pipe 1 moves to lower limit position, i.e., when big pipe 1 declines, upper large flange 11 contradicts upper small method
Orchid 21 simultaneously drives tubule 2 to move downward, under small flange 22 contradict upper trigger member 6, small flange 22 and pushed away under lower large flange 12 is contradicted
Trigger member 6 triggers upper limit position switch in pressure；So lifting can be automatically stopped so that lowering or hoisting gear reaches capacity during position, it is to avoid
Because of artificial operational error and caused by damage to lowering or hoisting gear, and improve the security that lowering or hoisting gear is used.
Back-moving spring 110 is provided between upper trigger member 6 and lower trigger member 7, locating part 31 is specially to be sheathed on outside connecting rod 3
Stop nut, upper limit position switch 4 and lower position switch 5 are microswitch.So set and be advantageous in that, it is multiple by setting
Position spring, be easy to upper trigger member and lower trigger member is returned to initial position；Secondly, by being set to locating part to be sheathed on
Stop nut outside connecting rod, this mode is simple in construction, easily realizes, existing nut is directly placed on to the outside of connecting rod,
And this mode is molded without secondary operation, so as to reduce manufacturing cost；Further, by by upper limit position switch and lower position switch
It is arranged to microswitch, this mode is simple, easily realize, and cost is low, stability is good, safe and reliable.
It should be understood that locating part is the positive stop lug boss outside connecting rod, positive stop lug boss is integrally formed with connecting rod, so
It is easy to the machine-shaping of connecting rod and positive stop lug boss, improves production efficiency.
The utility model also provides a kind of safe lifting column, as shown in Figs. 4-6, including inner tube 8, middle pipe 9, outer tube
10th, the first screw mandrel 120, the second screw mandrel 130 and motor 140 that are sheathed in the first screw mandrel 120, the lifting column also include above-mentioned
Stopping means in any technical scheme, stopping means is located in inner tube 8 and positioned at the side of motor 140, upper limit position switch 4 is with
Limit switch 5 is electrically connected with motor 140 respectively, so that lifting column reach capacity position when can be automatically stopped lifting, keep away
Exempted from because of artificial operational error and caused by damage to lifting column, and improve the security that lifting column is used；Meanwhile, limit
Position device is located at motor side, facilitates the layout of stopping means and motor, reduces the radial dimension of inner tube, improves lifting vertical
The aesthetics of post.
Inner tube 8 includes interior tube body 81, is covered on the upper inner end plate 82 of interior tube body 81, and middle pipe 9 includes middle tube body 91, is covered on
The middle end of upper section lid 92 at the two ends of middle tube body 91, lower end plates 93, outer tube 10 include outer tube body 101, are covered on the two ends of outer tube body 101
Upper outer end cap 102, lower outer end plate 103, upper inner end plate 82 are fixedly connected by upper large flange 11 with big pipe 1, upper large flange 11 with
Upper inner end plate 82 is additionally provided with the installation for installing upper limit position switch 4 and lower position switch 5 by being welded and fixed in interior tube body 81
Support 150, is so set and is advantageous in that, upper inner end plate is fixedly connected by upper large flange with big pipe, so fixed reliable, no
Easily abjection；Between being installed by setting, it is easy to the installation of upper limit position switch and lower position switch to fix, and triggering is accurately, stably
Reliably.
Inner tube 8 and middle pipe 9 be socketed and can along middle pipe 9 axially reciprocating, middle pipe 9 and the socket of outer tube 10 simultaneously can be along outer tubes
10 axially reciprocating, the first screw mandrel 120 is connected with inner tube 8, and the second screw mandrel 130 is connected with outer tube 10, and motor 140 is located at interior
Coordinate to drive inner tube 8, middle pipe 9 and the axial reciprocating of outer tube 10 to transport in pipe 8 and with the first screw mandrel 120, the transmission of the second screw mandrel 130
It is dynamic.
So set and be advantageous in that, because existing drive device is typically all disposed within the lower end of lifting column, and
Lifting column can be exposed outside after rising to be come, and this not only increases the setting height(from bottom) of lifting column, also affects lifting column
Aesthetics and life-span, by the way that drive device is located in inner tube so that the stroke of lifting column and the mounting distance of lifting column
Partially overlap, reduce the axially mounted size of lifting column, and set with each other by two screw mandrels, on the drive means
Rise when stretching out, the first screw mandrel and the second screw mandrel are reversely separated, add lifting column can elevated height, and under drive device
When drop is shunk, the second screw mandrel can be sleeved in the first screw mandrel so that lifting column is collapsible to minimum, reduce further installation
Distance, and it is easy to the storage of lifting column；Meanwhile, drive device is arranged on inner tube there, when lifting column rises, driving dress
Put to expose outside and, improve the aesthetics of lifting column；Further, drive device is located at inner tube there, can avoid water, dust
Enter Deng debris in drive device, good working environment is provided to drive device, so as to improve the use longevity of drive device
Life, and then improve the service life of lifting column.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is variously modified and deforms according to the utility model, without departing from spirit of the present utility model, the utility model all should be belonged to
Scope defined in appended claims.
Claims (10)
1. a kind of stopping means of lowering or hoisting gear, it is characterised in that including manage greatly, be sheathed in big pipe tubule, located at tubule
Interior connecting rod, the trigger member being connected with tubule, upper limit position switch and lower position switch, the upper end of big pipe is provided with upper large flange, greatly
The lower end of pipe is provided with lower large flange, and the upper end of tubule is provided with upper small flange, and the lower end of tubule is provided with down small flange, the outside of connecting rod
Provided with locating part, trigger member includes upper trigger member and lower trigger member, and connecting rod is fixedly connected through upper trigger member with lower trigger member.
2. the stopping means of lowering or hoisting gear according to claim 1, it is characterised in that the big pipe can in upper extreme position and
Moved back and forth between lower limit position, when big pipe moves to upper extreme position, lower large flange contradicts upper small flange and drives tubule
Motion upwards, under small flange contradict locating part and drivening rod is moved upwards, connecting rod drives lower trigger member triggering lower position switch；
When big pipe moves to lower limit position, upper large flange contradicts upper small flange and simultaneously drives tubule to move downward, under small flange contradict
Trigger member, small flange and the upper trigger member triggering upper limit position switch of pushing under lower large flange is contradicted.
3. the stopping means of lowering or hoisting gear according to claim 1, it is characterised in that the upper trigger member and lower trigger member it
Between be provided with back-moving spring.
4. the stopping means of lowering or hoisting gear according to claim 1, it is characterised in that the locating part is outside connecting rod
Positive stop lug boss, positive stop lug boss is integrally formed with connecting rod.
5. the stopping means of lowering or hoisting gear according to claim 1, it is characterised in that the locating part is is sheathed on outside connecting rod
The stop nut in portion.
6. the stopping means of lowering or hoisting gear according to claim 1, it is characterised in that the upper limit position switch and lower limit are opened
Pass is microswitch.
7. a kind of lifting column, including inner tube, middle pipe, outer tube, the first screw mandrel, the second screw mandrel and electricity being sheathed in the first screw mandrel
Machine, it is characterised in that the lifting column also includes the stopping means of the lowering or hoisting gear described in any one of claim 1-6, limit
Position device is located in inner tube and positioned at motor side, and upper limit position switch and lower position switch are electrically connected with motor respectively.
8. lifting column according to claim 7, it is characterised in that said inner tube includes interior tube body, is covered on interior tube body
Upper inner end plate, upper inner end plate is fixedly connected by upper large flange with big pipe.
9. lifting column according to claim 7, it is characterised in that be provided with said inner tube be used to installing upper limit position switch and
The mounting bracket of lower position switch.
10. lifting column according to claim 7, it is characterised in that said inner tube be socketed with middle pipe and can along middle pipe axle
To reciprocating motion, middle pipe be socketed with outer tube and can along outer tube axially reciprocating, the first screw mandrel is connected with inner tube, the second screw mandrel
It is connected with outer tube, motor is located in inner tube and coordinated with the first screw mandrel, the second screw rod transmission to drive inner tube, the tube and the outer tube axle
To reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065462.2U CN206380907U (en) | 2016-09-20 | 2016-09-20 | The stopping means and lifting column of a kind of lowering or hoisting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065462.2U CN206380907U (en) | 2016-09-20 | 2016-09-20 | The stopping means and lifting column of a kind of lowering or hoisting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206380907U true CN206380907U (en) | 2017-08-08 |
Family
ID=59486259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065462.2U Active CN206380907U (en) | 2016-09-20 | 2016-09-20 | The stopping means and lifting column of a kind of lowering or hoisting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206380907U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285371A (en) * | 2018-11-13 | 2019-01-29 | 唐文俊 | A kind of intelligent traffic lamp and its application method |
| CN109472987A (en) * | 2018-11-13 | 2019-03-15 | 唐文俊 | A kind of Multifunctional traffic signal lamp and its method |
| CN112227824A (en) * | 2020-09-25 | 2021-01-15 | 南京国煜泰户外休闲用品有限公司 | Full-automatic tent support frame and tent |
-
2016
- 2016-09-20 CN CN201621065462.2U patent/CN206380907U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285371A (en) * | 2018-11-13 | 2019-01-29 | 唐文俊 | A kind of intelligent traffic lamp and its application method |
| CN109472987A (en) * | 2018-11-13 | 2019-03-15 | 唐文俊 | A kind of Multifunctional traffic signal lamp and its method |
| CN112227824A (en) * | 2020-09-25 | 2021-01-15 | 南京国煜泰户外休闲用品有限公司 | Full-automatic tent support frame and tent |
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