CN100443013C - Light lowering/lifting regulating device - Google Patents
Light lowering/lifting regulating device Download PDFInfo
- Publication number
- CN100443013C CN100443013C CNB2005100183893A CN200510018389A CN100443013C CN 100443013 C CN100443013 C CN 100443013C CN B2005100183893 A CNB2005100183893 A CN B2005100183893A CN 200510018389 A CN200510018389 A CN 200510018389A CN 100443013 C CN100443013 C CN 100443013C
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- gear
- hole
- housed
- regulating device
- transmission shaft
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Abstract
The present invention relates to a lifting device which comprises a fixed sleeve barrel and a lifting rod sheathed in the fixed sleeve barrel and provided with rack bars. The present invention is characterized in that the fixed sleeve barrel is provided with a through hole, one side of the fixed sleeve barrel is fixedly provided with a braking ring which is concentric with the through hole, and two semicircular braking sheets whose middle parts are provided with notches are arranged in the braking ring; rotary knobs are arranged on the semicircular braking sheets, and a drive shaft is arranged in the through hole. One end of the drive shaft is provided with a braking tongue inserted in braking holes in the middle parts of the semicircular braking sheets, and the other end of the drive shaft is provided with a master gear. The lower end of the through hole on the other side of the fixed sleeve barrel is provided with a hole, a transmission shaft with a gear is arranged in the hole, the gear of the transmission shaft is engaged with the rack bars of the lifting rod, and a concentric internal gear is arranged on the transmission shaft, and the internal gear is engaged with the master gear of the drive shaft. The present invention has the advantages of simple structure, firm positioning, easy regulation and low cost, and is particularly suitable for various lifting desks, chairs, beds and wardrobes.
Description
Technical field
The present invention relates to a kind of lowering or hoisting gear, particularly a kind of light lowering/lifting regulating device.
Background technology
In daily life, people often need a kind of light lowering or hoisting gear to satisfy the needs of live and work.If can be contained in the small-sized lowering or hoisting gear on tables and chairs, bed cabinet, the drawing table, it can be regulated according to people's height, thereby brings great convenience for people's live and work.Existing lowering or hoisting gear kind is more, one class is to drive piston rod by hydraulic pressure or air pressure (as the pressure liftable chair) to carry out lifting, this class device has easy to adjust, labour-saving advantage, but this class device is because the bad or long-time use of sealing effectiveness, occur the pressure leakages situation easily, cause in use after raising again landing automatically and shortcoming that can not lifting; Another kind of is the height of regulating lifting by the lowering or hoisting gear of worm and gear, it has solved above-mentioned lowering or hoisting gear and has occurred the pressure leakages situation easily, cause in use after raising again landing automatically and problem that can not lifting, but the lowering or hoisting gear of this worm and gear has the shortcoming that adjusting is relatively required great effort, cost is high, and efficient is low especially, often worm and gear rotates tens circles, regulate highly just several centimeters, as Granted publication day be December 26 calendar year 2001, Granted publication number just belongs to this type of for the utility model patent of CN2466972Y.Also having a class is Motorized lift device, it has easy to adjust, advantage fast, but the shortcoming that it has the cost height, damages easily, and particularly it must use power supply, do not having the inconvenient place of power supply or power supply just can't lifting, so its scope of application also be restricted.The inventor was on March 7th, 2003, applied for that the patent No. is the utility model patent of ZL03235720.6, this patent disclosure a kind of light lowering or hoisting gear, it adopts unique braking tongue and semicircle brake(-holder) block to come motion of driven gear axle and braking, it has thoroughly solved the defective that the said goods exists, and it has simple in structure, firm position, adjusting is light, cost is low advantage.In recent years, the inventor further simplifies original brake(-holder) block structure, and has increased transmitting gear, thereby increased the radius of gyration of turning cylinder through concentrating on studies and updating, and makes this device regulate that lifting is laborsaving more flexibly, manufacturing is easier for installation.
Summary of the invention
Technical problem to be solved by this invention is the deficiency at existing product, and a kind of light lowering/lifting regulating device is provided, and it has solved existing lowering or hoisting gear and has regulated relatively effort, cost height, the easy problem of damaging.
Technical scheme of the present invention is achieved in that it comprises fixed muffle and the cover elevating lever that has tooth bar within it, it is characterized in that: have through-core hole on the fixed muffle, one side of fixed muffle is fixed with the trig loop concentric with through-core hole, the semicircle brake(-holder) block that two centres have breach is housed in the trig loop, on the semicircle brake(-holder) block turning knob is housed, a driving shaft is housed in the through-core hole, one end of driving shaft is provided with the braking tongue, the braking tongue is inserted in the brake hole of semicircle brake(-holder) block central indentation formation, the other end of driving shaft is provided with master gear, lower end at the through-core hole of the opposite side of fixed muffle has the hole, the power transmission shaft of band gear is housed in the hole, a concentric internal gear is equipped with in the gear of power transmission shaft and the engagement of the tooth bar of elevating lever on the power transmission shaft, internal gear is meshed with the master gear of driving shaft.
Turning knob of the present invention is for being provided with the sleeve of boss on one side, and the edge of boss is provided with latch; The arc limit of semicircle brake(-holder) block is provided with draw-in groove, and the latch of turning knob boss is inserted in the draw-in groove; Trig loop is provided with inner card cage, and elastic pressuring plate is housed in the inner card cage, and elastic pressuring plate is pressed on the boss of turning knob; Turning handle is housed on the turning knob.The other end of power transmission shaft of the present invention also can be provided with gear, the elevating lever engagement that has tooth bar that this gear is also parallel with another.
The present invention adopts the braking tongue of unique design and semicircle brake(-holder) block to come motion of driven gear axle and braking, and it has simple in structure, firm position, adjusting is light, cost is low advantage.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention
Fig. 2 is the structural representation of semicircle brake(-holder) block of the present invention
Fig. 3 is the structural representation of elastic pressuring plate of the present invention
Fig. 4 is the structural representation of power transmission shaft of the present invention
Fig. 5 is the structural representation of driving shaft of the present invention
Fig. 6 is the structural representation of turning knob of the present invention
Fig. 7 is the left view of Fig. 6
Fig. 8 is the structural representation of sleeve of the present invention and elevating lever
Fig. 9 is the rearview of Fig. 8
The specific embodiment
Below in conjunction with accompanying drawing invention is described further:
As shown in Figure 1, the present invention includes fixed muffle 1 and the cover elevating lever that has tooth bar 23 within it, have through-core hole 4 on the fixed muffle 1, one side of fixed muffle 1 is fixed with the trig loop 5 concentric with through-core hole 4, the semicircle brake(-holder) block 7 that two centres have brake hole 6 is housed in the trig loop 5, as shown in Figure 2, turning knob 8 is housed on the semicircle brake(-holder) block 7, a driving shaft 9 is housed in the through-core hole 4, one end of driving shaft 9 is provided with braking tongue 10, as shown in Figure 5, braking tongue 10 is inserted in the brake hole in the middle of the semicircle brake(-holder) block 76, and the other end of driving shaft 9 is provided with master gear 11; As shown in Figure 8, have hole 12, the power transmission shaft 14 of band gear 13 is housed, the gear 13 of power transmission shaft 14 and 2 engagements of the tooth bar of elevating lever 3 in the hole 12 in the lower end of the through-core hole 4 of the opposite side of fixed muffle 1; As shown in Figure 4, a concentric internal gear 15 is housed on the power transmission shaft 14, internal gear 15 is meshed with the master gear 11 of driving shaft 9.As Fig. 6, shown in Figure 7, Yi Bian turning knob 8 is the sleeve that is provided with boss 16, the edge of boss 16 is provided with two latches 17; The arc limit of semicircle brake(-holder) block 7 is provided with draw-in groove 18, and the latch 17 of turning knob boss 16 is inserted in the draw-in groove 18; As Fig. 9, shown in Figure 1, trig loop 5 is provided with inner card cage 19, and elastic pressuring plate 20 is housed in the inner card cage 19, and elastic pressuring plate 20 is pressed on the boss 16 of turning knob; Turning handle 21 is housed on the turning knob 8.As shown in Figure 4, the other end of power transmission shaft 14 of the present invention also can be provided with gear 22, and this gear 22 also has the elevating lever engagement of tooth bar with another, thereby can drive two elevating lever synchronization liftings.
During use, rotate turning handle 21, because the latch 17 of turning knob 8 is inserted in the draw-in groove 18 of semicircle brake(-holder) block 7, therefore turning knob 8 drives 7 rotations of semicircle brake(-holder) block, semicircle brake(-holder) block 7 is clamped braking tongue 10 by brake hole 6 and is driven driving shaft 9 rotations, and internal gear 15 engagements of being equipped with on master gear 11 that the other end of driving shaft 9 is provided with and the power transmission shaft 14 are rotated thereby drive power transmission shaft 14, the gear 13 of power transmission shaft 14 and 2 engagements of the tooth bar of elevating lever 3, thus drive elevating lever 3 upper and lower liftings.Because the diameter of semicircle brake(-holder) block 7 is bigger, and the diameter of braking tongue 10 is very little, therefore cause the moment great disparity, and institute's supporter can't overcome the semicircle brake(-holder) block 7 and the effect that makes extremely full at huge frictional force between the trig loop 5 and dead point that causes when self falls, so can make elevating lever be stabilized in the interior arbitrary height of range; Conversely, drive semicircle brake(-holder) block 7 by turning knob 8 and rotate, thereby clamp braking tongue 10, driven gear 11, tooth bar 2 motions easily, elevating lever 3 is with tooth bar 2 free liftings.
Claims (6)
1, a kind of light lowering/lifting regulating device, it comprises fixed muffle and the cover elevating lever that has tooth bar within it, it is characterized in that: have through-core hole on the fixed muffle, one side of fixed muffle is fixed with the trig loop concentric with through-core hole, the semicircle brake(-holder) block that two centres have breach is housed in the trig loop, on the semicircle brake(-holder) block turning knob is housed, a driving shaft is housed in the through-core hole, one end of driving shaft is provided with the braking tongue, the braking tongue is inserted in the brake hole of semicircle brake(-holder) block central indentation formation, the other end of driving shaft is provided with master gear, lower end at the through-core hole of the opposite side of fixed muffle has the hole, and the power transmission shaft of band gear is housed in the hole, and the gear of power transmission shaft meshes with the tooth bar of elevating lever, a concentric internal gear is housed on the power transmission shaft, and internal gear is meshed with the master gear of driving shaft.
2, according to a kind of light lowering/lifting regulating device of claim 1, it is characterized in that: Yi Bian turning knob is the sleeve that is provided with boss, the edge of boss is provided with latch.
3, according to a kind of light lowering/lifting regulating device of claim 1, it is characterized in that: the arc limit of semicircle brake(-holder) block is provided with draw-in groove, and the latch of turning knob boss is inserted in the draw-in groove.
4, according to a kind of light lowering/lifting regulating device of claim 1, it is characterized in that: trig loop is provided with inner card cage, and elastic pressuring plate is housed in the inner card cage, and elastic pressuring plate is pressed on the boss of turning knob.
5, according to a kind of light lowering/lifting regulating device of claim 1, it is characterized in that: turning handle is housed on the turning knob.
6, according to any one light lowering/lifting regulating device of claim 1 to 5, it is characterized in that: the other end of power transmission shaft also is provided with gear, and this gear also has the elevating lever engagement of tooth bar with another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100183893A CN100443013C (en) | 2005-03-17 | 2005-03-17 | Light lowering/lifting regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100183893A CN100443013C (en) | 2005-03-17 | 2005-03-17 | Light lowering/lifting regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1692857A CN1692857A (en) | 2005-11-09 |
| CN100443013C true CN100443013C (en) | 2008-12-17 |
Family
ID=35352113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100183893A Expired - Fee Related CN100443013C (en) | 2005-03-17 | 2005-03-17 | Light lowering/lifting regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100443013C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580911A (en) * | 2018-12-03 | 2019-04-05 | 长春黄金研究院有限公司 | A kind of irregular sample stage |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103653750B (en) * | 2013-12-12 | 2016-05-25 | 张立安 | Light lifting governor motion |
| CN105520360A (en) * | 2014-09-30 | 2016-04-27 | 汪希奎 | Multipurpose mechanical lifting platform |
| CN105840200B (en) * | 2016-06-08 | 2019-04-12 | 薛恒鹤 | A kind of tunnel excavation machine |
| CN106932301A (en) * | 2017-03-14 | 2017-07-07 | 中国农业科学院农田灌溉研究所 | Soil incubation experimental provision |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2444492Y (en) * | 2000-11-14 | 2001-08-29 | 刘传华 | Desk capable of freely lifting |
| CN2528286Y (en) * | 2002-02-05 | 2003-01-01 | 李财明 | Lifting mechanism for table |
| CN2549807Y (en) * | 2002-05-02 | 2003-05-14 | 黄冬荣 | Lifting platform |
| CN2599985Y (en) * | 2003-03-07 | 2004-01-21 | 张立安 | Light up-down device |
-
2005
- 2005-03-17 CN CNB2005100183893A patent/CN100443013C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2444492Y (en) * | 2000-11-14 | 2001-08-29 | 刘传华 | Desk capable of freely lifting |
| CN2528286Y (en) * | 2002-02-05 | 2003-01-01 | 李财明 | Lifting mechanism for table |
| CN2549807Y (en) * | 2002-05-02 | 2003-05-14 | 黄冬荣 | Lifting platform |
| CN2599985Y (en) * | 2003-03-07 | 2004-01-21 | 张立安 | Light up-down device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580911A (en) * | 2018-12-03 | 2019-04-05 | 长春黄金研究院有限公司 | A kind of irregular sample stage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1692857A (en) | 2005-11-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20081217 Termination date: 20170317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |