CN203692845U - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- CN203692845U CN203692845U CN201320736813.8U CN201320736813U CN203692845U CN 203692845 U CN203692845 U CN 203692845U CN 201320736813 U CN201320736813 U CN 201320736813U CN 203692845 U CN203692845 U CN 203692845U
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- CN
- China
- Prior art keywords
- inner sleeve
- plane
- lowering
- hoisting gear
- activity orientation
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of mechanical devices, and provides a lifting device, which includes an outer sleeve and inner sleeves sleeved together, wherein at least one layer of limiting inclined plane extending in the axial direction is arranged on the inner wall of the outer sleeve; movable positioning elements are arranged on the limiting inclined plane in a rolling and sliding manner; through holes corresponding to the movable positioning elements in position are formed in the inner sleeves; the movable positioning elements are clamped in the through holes and are partially positioned on the inner sides of the inner sleeves. The lifting device is simple in structure and small in occupied space, is convenient and labor-saving in operation, is stable and firm and high in safety performance, can be popularized in other fields, such as lifting of equipment components.
Description
Technical field
The utility model relates to mechanical device technical field, relates in particular to a kind of lowering or hoisting gear.
Background technology
At present, the height of the desk that every profession and trade is used is constant mostly, cannot change.Clerk handles official business on the desk desktop in sustained height for a long time, very easily produces the occupational disease of waist, back, neck or shank.
The more existing desk with elevating function has solved this problem well, and the lifting mode of existing lifting desk surface has two kinds: lifting and manpower lifting automatically, and the same table of lifting desktop is simple to operate automatically, but complex structure; The same table of manpower lifting desktop is the mode lifting with scissor-type lifting mostly, in the starting stage of lifting, because the arm of force of support bar is longer, so the power needing is larger, make lifting desk surface starting difficulty, not only effort, and poor stability, easily there is potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, lowering or hoisting gear that lifting is convenient and strength-saving, safe.
The utility model is to realize like this, a kind of lowering or hoisting gear, comprise the jacket and inner sleeve being set-located, the inwall of described overcoat is provided with at least one deck along its axially extended spacing inclined-plane, on described spacing inclined-plane, roll or slide and be provided with activity orientation part, the position that puts corresponding described activity orientation part in described offers through hole, and described activity orientation part is arranged in described through hole and is partly positioned at the inner side of described inner sleeve.
As a kind of improved plan, described spacing inclined-plane is two-layer along being axially arranged with of described overcoat, and on every layer of described spacing inclined-plane, all correspondence is provided with at least two activity orientation parts.
As a kind of improved plan, the incline direction on described spacing inclined-plane is identical, puts in described and is connected with the actuator that drives described inner sleeve to move along its axis.
As a kind of improved plan, one end of described overcoat is fixed with end cap, between one end of described inner sleeve and described end cap, is provided with Compress Spring, and described actuator is arranged at the other end of described inner sleeve.
As a kind of improved plan, the incline direction on two-layer described spacing inclined-plane is contrary, in described, be arranged with two, spacing inclined-plane described in the equal corresponding one deck of each described inner sleeve, two relative one end of described inner sleeve are connected with the actuator for driving two described inner sleeves oppositely to move jointly, the two ends of described overcoat are all fixed with end cap, and are equipped with Compress Spring between the outer end of described inner sleeve and described end cap.
As a kind of improved plan, described actuator comprises through described overcoat and rotates with it the dwang being set together, the one end that is positioned at described overcoat inner side on described dwang is fixed with rotating disk, described rotating disk ovalize, the end sliding-contact of the outer peripheral face of described rotating disk and described inner sleeve.
As a kind of improved plan, described activity orientation part is steel column or steel ball.
As a kind of improved plan, described activity orientation part is plastic column or baton round.
The lowering or hoisting gear that the utility model provides, because it is provided with the jacket and inner sleeve being set-located, the inwall of overcoat is provided with along its axially extended spacing inclined-plane, on spacing inclined-plane, roll or slide and be provided with activity orientation part, the position that inside puts corresponding activity orientation part offers through hole, and activity orientation part is arranged in through hole.When use, overcoat is fixedly connected with table leg, then below desktop, position that should lowering or hoisting gear is arranged to elevating lever, and this elevating lever is inserted in inner sleeve, elevating lever is subject to the extruding of activity orientation part and fixing under frictional force effect between the two; Need to be by desktop lifting time, only need with hand, desktop upwards to be lifted, in this process, along with elevating lever moves upward, activity orientation part and elevating lever sliding friction, and its drive under along spacing inclined-plane to moving away from the direction of overcoat axis, after arriving desired location, desktop looses one's grip, under Action of Gravity Field, activity orientation part declines along spacing inclined-plane, and the frictional force between itself and elevating lever is converted into static friction by sliding friction gradually, and elevating lever is fixed the most at last, then completes the lifting of desktop; In the time that desktop need to decline, only need be when desktop be lifted pull inner sleeve upwards, then slowly desktop is put down.In like manner, overcoat is fixedly connected with desktop, on table leg, is fixedly connected with elevating lever, also can realize its elevating function.
The lowering or hoisting gear that the utility model provides, simple in structure, occupy little space, easy to operate, and stable firmly security performance is high, also may extend in other field and applies, as the lifting of part of appliance etc.
Brief description of the drawings
Fig. 1 is the structure cross-sectional schematic of the first lowering or hoisting gear of providing of the utility model;
Fig. 2 is the structure cross-sectional schematic of the second lowering or hoisting gear of providing of the utility model;
Fig. 3 is the structural representation of the actuator that provides of the utility model;
In figure: 1-overcoat, the spacing inclined-plane of 11a-, the spacing inclined-plane of 11b-, 2a-inner sleeve, 2b-inner sleeve, 3-activity orientation part, 4-elevating lever, 5-actuator, 51-brake bar, 52-rotating disk, 6-end cap, 7-Compress Spring.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The lowering or hoisting gear that the utility model provides comprises the jacket and inner sleeve being set-located, the inwall of this overcoat is provided with along its axially extended spacing inclined-plane, on spacing inclined-plane, roll or slide and be provided with activity orientation part, the position that inside puts corresponding activity orientation part offers through hole, and activity orientation part is arranged in this through hole and is partly positioned at the inner side of inner sleeve.
Embodiment mono-:
Fig. 1 shows the structural representation of the lowering or hoisting gear that the utility model provides, and for convenience of explanation, this figure only provides the structure division relevant with the utility model.
Lowering or hoisting gear comprises the overcoat 1 and the inner sleeve 2a that are set-located, the inwall of overcoat 1 is provided with at least one deck along its axially extended spacing inclined-plane 11a, wherein, spacing inclined-plane 11a is two-layer along being axially arranged with of overcoat 1, and the incline direction of two-layer spacing inclined-plane 11a is identical, every layer of upper all correspondence of spacing inclined-plane 11a rolled or slided and be provided with at least two activity orientation parts 3, for improving its locking property, can on every layer of spacing inclined-plane 11a, roll or slide multiple activity orientation parts 3 are set, the position of the upper corresponding activity orientation part 3 of inner sleeve 2a offers through hole, activity orientation part 3 is arranged in this through hole and is partly positioned at the inner side of inner sleeve 2a.
When use, overcoat 1 is fixedly connected with table leg, then below desktop, position that should lowering or hoisting gear is arranged to elevating lever 4, and this elevating lever 4 is inserted in inner sleeve 2a, elevating lever 4 is subject to the extruding of activity orientation part 3 and fixing under frictional force effect between the two; Need to be by desktop lifting time, only need with hand, desktop upwards to be lifted, in this process, along with living, elevating lever 4 moves upward, activity orientation part 3 and elevating lever 4 sliding frictions, and its drive under along spacing inclined-plane 11a to moving away from the direction of overcoat 1 axis, after arriving desired location, desktop looses one's grip, under Action of Gravity Field, 3 of activity orientation parts decline along spacing inclined-plane 11a, and the frictional force between itself and elevating lever 4 is converted into static friction by sliding friction gradually, and elevating lever 4 is fixed the most at last, then completes the lifting of desktop; In the time that desktop need to decline, only need be when desktop be lifted pull inner sleeve 2a upwards, then slowly desktop is put down.In like manner, overcoat 1 is fixedly connected with desktop, on table leg, is fixedly connected with elevating lever 4, also can realize its elevating function.
In this embodiment, on inner sleeve 2a, be connected with the actuator 5 that drives inner sleeve 2a to move along its axis, as shown in Figure 3, actuator 5 comprises through overcoat 1 and rotates with it the dwang 51 being set together, the one end that is positioned at overcoat 1 inner side on dwang 51 is fixed with rotating disk 52, and rotating disk 52 ovalizes use oval-shaped rotating disk 52 can reduce the frictional force between itself and inner sleeve 2a, improve its operability, the end sliding-contact of the outer peripheral face of rotating disk 52 and inner sleeve 2a; Be fixed with end cap 6 in one end of overcoat 1, between one end of inner sleeve 2a and end cap 6, be provided with Compress Spring 7, actuator 5 is arranged at the other end of inner sleeve.Can, when desktop need to decline, by rotating dwang 51, make rotating disk 52 by inner sleeve 2a jack-up or put down, activity orientation part 3 and elevating lever 4 being departed from, thereby reach the object under desktop automatic releasing.Certainly, for improving braking effect, multiple actuators 5 can be set.In addition, can also drive moving up and down of inner sleeve 2a as actuator 5 by other frame for movements such as leverage or parts.
In this embodiment, use steel column or steel ball as activity orientation part 3, can improve its rolling characteristics, reduce the frictional force between itself and spacing inclined-plane 11a, improve its service life.Certainly, also can use the stereochemical structure of polygon prism or other polygonized structures as activity orientation part, it all can realize the positioning and locking function to elevating lever 4.
Equally, use plastic column or baton round as activity orientation part 3, not only can improve its rolling characteristics, reduce the frictional force between itself and spacing inclined-plane 11a, can also prevent that activity orientation part 3 from causing damage to elevating lever 4 in the course of the work.
Embodiment bis-:
Present embodiment and embodiment mono-are basic identical, and its difference is:
The incline direction of two-layer spacing inclined-plane 11b is contrary, inner sleeve 2b is provided with two, the spacing inclined-plane 11b of the equal corresponding one deck of each inner sleeve 2b, two relative one end of inner sleeve 2b are connected with the actuator 5 for driving two inner sleeve 2b oppositely to move jointly, the two ends of overcoat 1 are all fixed with end cap 6, and are equipped with Compress Spring 7 between the outer end of inner sleeve 2b and end cap 6.Need to regulate desktop lifting time, only need to rotate the dwang 51 in tumbler 5, two inner sleeve 2b are oppositely moved under the acting in conjunction of rotating disk 52 and Compress Spring 7, thereby make two activity orientation parts 3 on inner sleeve 2b simultaneously oppositely mobile along spacing inclined-plane 11b, activity orientation part 3 and elevating lever 4 are departed from, can make people arbitrarily adjust the lifting of desktop, after having regulated, tumbler 5 is resetted and can realize the locking again of elevating lever 4, thus by stable desktop and securely locking live.
The lowering or hoisting gear that the utility model provides, simple in structure, occupy little space, easy to operate, and stable firmly security performance is high, also may extend in other field and applies, as the lifting of part of appliance etc.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a lowering or hoisting gear, it is characterized in that: comprise the jacket and inner sleeve being set-located, the inwall of described overcoat is provided with at least one deck along its axially extended spacing inclined-plane, on described spacing inclined-plane, roll or slide and be provided with activity orientation part, the position that puts corresponding described activity orientation part in described offers through hole, and described activity orientation part is arranged in described through hole and is partly positioned at the inner side of described inner sleeve.
2. lowering or hoisting gear as claimed in claim 1, is characterized in that: described spacing inclined-plane is two-layer along being axially arranged with of described overcoat, and on every layer of described spacing inclined-plane, all correspondence is provided with at least two described activity orientation parts.
3. lowering or hoisting gear as claimed in claim 2, is characterized in that: the incline direction on two-layer described spacing inclined-plane is identical, puts in described and is connected with the actuator that drives described inner sleeve to move along its axis.
4. lowering or hoisting gear as claimed in claim 3, is characterized in that: one end of described overcoat is fixed with end cap, between one end of described inner sleeve and described end cap, is provided with Compress Spring, and described actuator is arranged at the other end of described inner sleeve.
5. lowering or hoisting gear as claimed in claim 2, it is characterized in that: the incline direction on two-layer described spacing inclined-plane is contrary, in described, be arranged with two, spacing inclined-plane described in the equal corresponding one deck of each described inner sleeve, two relative one end of described inner sleeve are connected with the actuator for driving two described inner sleeves oppositely to move jointly, the two ends of described overcoat are all fixed with end cap, and are equipped with Compress Spring between the outer end of described inner sleeve and described end cap.
6. the lowering or hoisting gear as described in claim 3 to 5 any one, it is characterized in that: described actuator comprises through described overcoat and rotates with it the dwang being set together, the one end that is positioned at described overcoat inner side on described dwang is fixed with rotating disk, described rotating disk ovalize, the end sliding-contact of the outer peripheral face of described rotating disk and described inner sleeve.
7. lowering or hoisting gear as claimed in claim 6, is characterized in that: described activity orientation part is steel column or steel ball.
8. lowering or hoisting gear as claimed in claim 6, is characterized in that: described activity orientation part is plastic column or baton round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736813.8U CN203692845U (en) | 2013-11-19 | 2013-11-19 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736813.8U CN203692845U (en) | 2013-11-19 | 2013-11-19 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203692845U true CN203692845U (en) | 2014-07-09 |
Family
ID=51043369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736813.8U Expired - Fee Related CN203692845U (en) | 2013-11-19 | 2013-11-19 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203692845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632947A (en) * | 2015-02-12 | 2015-05-20 | 上海腾飞通讯器材实业有限公司 | Braking device for lifting table movable shaft |
| CN109505891A (en) * | 2018-11-08 | 2019-03-22 | 鲁班嫡系机器人（深圳）有限公司 | A kind of brake gear, moving parts and automation equipment |
-
2013
- 2013-11-19 CN CN201320736813.8U patent/CN203692845U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632947A (en) * | 2015-02-12 | 2015-05-20 | 上海腾飞通讯器材实业有限公司 | Braking device for lifting table movable shaft |
| CN104632947B (en) * | 2015-02-12 | 2017-12-08 | 上海腾飞通讯器材实业有限公司 | A kind of brake apparatus of same table movable axis |
| CN109505891A (en) * | 2018-11-08 | 2019-03-22 | 鲁班嫡系机器人（深圳）有限公司 | A kind of brake gear, moving parts and automation equipment |
| CN109505891B (en) * | 2018-11-08 | 2021-01-08 | 鲁班嫡系机器人（深圳）有限公司 | Brake equipment, motion subassembly and automation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20141119 |
|
| EXPY | Termination of patent right or utility model |