CN2891823Y - Light stepless up-down regulating desk and chair - Google Patents
Light stepless up-down regulating desk and chair Download PDFInfo
- Publication number
- CN2891823Y CN2891823Y CN 200520121593 CN200520121593U CN2891823Y CN 2891823 Y CN2891823 Y CN 2891823Y CN 200520121593 CN200520121593 CN 200520121593 CN 200520121593 U CN200520121593 U CN 200520121593U CN 2891823 Y CN2891823 Y CN 2891823Y
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- China
- Prior art keywords
- screw rod
- foot pedal
- slip
- support
- desktop
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- Expired - Fee Related
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Abstract
The utility model relates to a light stepless lifting adjusting desk-chair, including a desktop and/or a chair seat and a stent. A Lifting nut is fixed below the desktop and/or the chair seat, a screw is positioned on the stent and the screw is also connected with rotary handle or motor, rotating the screw to achieve the adjustable lifting of the desktop and/or the chair seat. The utility model based on the requirements of users can lift the desk-chair and a step board, for which adopts the lifting nut to drive, rotating the handle when seated and can be convenient to achieve the stepless lifting adjustment in particular to the young in growth and development period. The utility model is mainly used to solve the problems that because of rapid changes in height of the children, stools, chairs and desks used in the study and life can not be lifted according to the actual needs, especially when the both feet are hung in the air, resulting in incorrect sitting attitude and affecting the bone, vision, blood circulation and others of children. The structure is simple and reasonable and could be conveniently, safely and reliably adjusted, with a wide range of application and strong practicality.
Description
Technical field
The utility model relates to a kind of adjusting tables and chairs, particularly a kind of light stepless lift adjustment tables and chairs.
Background technology
Existing up-down desk and chair kind is more, structure is different.It mostly has been level greatly and has regulated, and it is not too convenient to adjust.As China Patent No. 2004200334362 disclosed a kind of spiral up-down desk and chairs, form by table body, seat support, column etc., it is characterized in that: design a screw rod, screw rod is fixed in a body, seat support lower end, suit one adjusting nut on the screw rod, the adjusting nut lower end closely contacts with being provided with through hole and the secured in parallel spandrel girder between two columns, and the top of column is provided with pin-and-hole, the both sides of table body are taken out and are had slotted eye on the wall, and bolt passes the pin-and-hole of column and is connected with slotted eye on taking out wall.It is said that this spiral up-down desk and chair can carry out lift adjustment easily, and simple in structure, cost is lower.But it is still regulated for pin-and-hole has level, and the people must leave the seat when regulating.
The utility model content
It is a kind of simple and reasonable that the purpose of this utility model is to provide, but the adjusting tables and chairs of regulated at will adjustable height.
The technical scheme that its technical problem that solves the utility model adopts is, a kind of light stepless lift adjustment tables and chairs, comprise desktop and/or seat support and support thereof, it is characterized in that desktop and/or seat support below support is fixed with lifting nut, support is provided with screw rod, screw rod and lifting nut socket also are connected with turning handle or motor on the screw rod, rotating screw bolt is realized the lift adjustment of desktop and/or seat support.
Both sides, described support bottom also are provided with slide rail, and slide rail is provided with the foot pedal that can move forward and backward, and the distance after foot pedal stretches out is less than or equal to the length of rack leg, in order to avoid the foot pedal upset.
Support two ends, described seat support below are provided with backstay, and the center is provided with two screw rods up and down, and screw rod is provided with bevel gear; Last screw rod is by the lifting of lifting nut transmission seat support, the lifting of following screw drive foot pedal; Last screw rod is provided with bracket, and following screw rod is provided with bottom bracket; The side plate both sides respectively are provided with a turning handle or handwheel, rotate the handwheel inboard and are provided with bevel gear and cooperate transmission with bevel gear on the screw rod.
Described desktop and/or seat support bottom are provided with elongated slot, and both sides respectively are provided with two slip backstays before and after the support of seat support below, and two slip backstays become cross-like, and slip backstay one end links on side plate, and the other end is arranged in the elongated slot and slides; The slip backstay is provided with the geocoded activity cover, and the geocoded activity cover is shelved on the bracket.
The left and right side frame of foot pedal slide rail is provided with elongated slot, and foot pedal each side is provided with two slip backstays, and the slip backstay becomes cross-like, and the one end links on base support, and the other end is arranged in the elongated slot and slides; The slip backstay is provided with the geocoded activity cover, and the geocoded activity cover is shelved on the bottom bracket.
Also be provided with elongated slot on the front and back frame of described foot pedal slide rail, both sides respectively are provided with two slip backstays before and after the foot pedal, and the slip backstay becomes cross-like, and the one end links on base support, and the other end slides in elongated slot; The slip backstay is provided with movable sleeve, and movable sleeve is shelved on the bottom bracket.
Vertically be provided with the sprocket wheel chain drive between the rotation handwheel of transmission foot pedal and the screw rod.
When being the motor-driven screw rod, the screw rod upper and lower end parts is provided with spacing relay switch.
The utility model can be according to user's requirement, and up-down desk and chair and foot pedal because its adopts lifting nut transmission, are sitting in turning handle on the seat at any time, can stepless easily lift adjustment, be particularly suitable for being in the teenager of growth and development stage.It has mainly solved present children's height and has changed soon, and employed stool, chair, table lifting according to actual needs are especially double-legged unsettled in study, life, causes an appearance incorrect and influence children's difficult problems such as bone network, eyesight, blood circulation.It is simple and reasonable, and is easy to adjust, safe and reliable, widely applicable, practical.
Description of drawings
Fig. 1 is the utility model one embodiment perspective view.
Fig. 2 is the utility model drive mechanism schematic diagram.
Fig. 3 is the utility model foot pedal structure schematic diagram.
Fig. 4 is another example structure schematic diagram of the utility model.
Fig. 5 is the another example structure schematic diagram of the utility model.
The specific embodiment
Referring to Fig. 1-Fig. 3, a kind of light stepless lift adjustment tables and chairs, comprise seat support 1, side plate 15 and support 2 thereof, seat support 1 below support 2 is fixed with lifting nut 3, support 2 two ends are provided with backstay 21, support 2 is provided with screw rod 4, screw rod 4 and lifting nut 3 sockets, both sides, support 2 bottom also are provided with slide rail 19, and slide rail 19 is provided with the foot pedal 8 that can move forward and backward, and the distance after foot pedal 8 stretches out is less than or equal to the length of rack leg 9, the position of centre of gravity that is human body and foot pedal 8 should be within rack leg 9 legs be long, in order to avoid foot pedal 8 upsets.Screw rod is two up and down, and screw rod is provided with bevel gear 18; Last screw rod 4 is by lifting nut 3 transmission seat support liftings, 8 liftings of following screw rod 7 transmission foot pedals; Last screw rod 4 is provided with bracket 16, and following screw rod 7 is provided with bottom bracket 17; The side plate both sides respectively are provided with a turning handle 10 or handwheel, rotate the handwheel inboard and are provided with bevel gear 5 and cooperate transmission with bevel gear 18 on the screw rod.
Seat support 1 bottom is provided with elongated slot 14, and both sides respectively are provided with 12 one-tenths cross-like of 12, two slip backstays of two slip backstays before and after the support of seat support below, and slip backstay 12 1 ends link on side plate 15, and the other end is arranged on 14 li slips of elongated slot; Slip backstay 12 is provided with geocoded activity cover 13, and geocoded activity cover 13 is shelved on the bracket 16.
After the user rotates the handwheel 10 of control screw rod 4,4 liftings of handwheel 10 drive screws, bracket 16 is owing to be fixed on the screw rod 4, bracket 16 holds up geocoded activity cover 13, slip backstay 12 is accordingly along with screw rod 4 liftings, and slip backstay 12 holds up seat support in 14 li slips of elongated slot.
The four sides frame 24 of foot pedal 8 slide rails 19 all is provided with elongated slot 20, respectively is provided with two slip backstays 22 around the foot pedal 8,22 one-tenth cross-like of slip backstay, and the one end links on base support, and the other end is arranged on 20 li slips of elongated slot; Slip backstay 22 is provided with geocoded activity cover 23, and geocoded activity cover 23 is shelved on the bottom bracket 17.
After the user rotates the handwheel 10 of control screw rod 5,5 liftings of handwheel 10 drive screws, bottom bracket 17 is owing to be fixed on the screw rod 5, bottom bracket 17 holds up geocoded activity cover 23, slip backstay 22 is accordingly along with screw rod 5 liftings, and slip backstay 22 holds up foot pedal 8 in 20 li slips of elongated slot.
Vertically be provided with 11 transmissions of sprocket wheel 6 chains between the rotation handwheel 10 of transmission foot pedal 8 and the screw rod 7, also can directly be connected with screw rod 7 rotating handwheel 10, sprocket wheel 6 opposite sides are connected with bevel gear 5.
Present embodiment also can be electronic with manually changing into, and when being the motor-driven screw rod, the screw rod upper and lower end parts is provided with spacing relay switch.
Referring to Fig. 4, use separately in the present embodiment and go up the lifting of screw drive seat support, foot pedal dismounting this moment or highly fixing, unadjustable.
Referring to Fig. 5, use screw drive foot pedal lifting down in the present embodiment separately, this moment, seat height was fixed, and is unadjustable.
Among another embodiment, use a screw rod transmission seat support and foot pedal lifting simultaneously.
Claims (8)
1. light stepless lift adjustment tables and chairs, comprise desktop and/or seat support (1) and support (2) thereof, it is characterized in that desktop and/or seat support below support is fixed with lifting nut (3), support is provided with screw rod (4), screw rod and lifting nut socket, also be connected with turning handle (10) or motor on the screw rod, rotating screw bolt is realized the lift adjustment of desktop and/or seat support.
2. adjusting tables and chairs according to claim 1, it is characterized in that both sides, described support bottom also are provided with slide rail (19), slide rail is provided with the foot pedal (8) that can move forward and backward, and the distance after foot pedal stretches out is less than or equal to the length of rack leg (9), in order to avoid the foot pedal upset.
3. adjusting tables and chairs according to claim 1 is characterized in that support two ends, described seat support below are provided with backstay (21), and the center is provided with two screw rods up and down, and screw rod is provided with bevel gear (18); Last screw rod (4) is by the lifting of lifting nut (3) transmission seat support, the lifting of following screw rod (7) transmission foot pedal; Last screw rod (4) is provided with bracket (16), and following screw rod (7) is provided with bottom bracket (17); The side plate both sides respectively are provided with a turning handle or handwheel, rotate the handwheel inboard and are provided with bevel gear (5) and cooperate transmission with bevel gear on the screw rod.
4. adjusting tables and chairs according to claim 1, it is characterized in that described desktop and/or seat support bottom are provided with elongated slot (14), both sides respectively are provided with two slip backstays (12) before and after the support of seat support below, two slip backstays become cross-like, the hinge joint of slip backstay one end is on side plate (15), and the other end is arranged on elongated slot (14) lining and slides; The slip backstay is provided with movable sleeve (13), and movable sleeve is shelved on the bracket (16).
5. adjusting tables and chairs according to claim 2, the left and right side frame (24) that it is characterized in that foot pedal slide rail (19) is provided with elongated slot (20), foot pedal each side is provided with two slip backstays (22), the slip backstay becomes cross-like, the hinge joint of one end is on base support, and the other end is arranged on elongated slot (20) lining and slides; The slip backstay is provided with movable sleeve (23), and movable sleeve (23) is shelved on the bottom bracket.
6. adjusting tables and chairs according to claim 5, it is characterized in that also being provided with elongated slot on the front and back frame of described foot pedal slide rail, both sides respectively are provided with two slip backstays before and after the foot pedal, and the slip backstay becomes cross-like, the hinge joint of one end is on base support, and the other end slides in elongated slot; The slip backstay is provided with movable sleeve, and movable sleeve is shelved on the bottom bracket.
7. adjusting tables and chairs according to claim 3 is characterized in that vertically being provided with sprocket wheel (6) chain (11) transmission between the rotation handwheel of transmission foot pedal and the screw rod.
8. adjusting tables and chairs according to claim 1 is characterized in that the screw rod upper and lower end parts is provided with spacing relay switch when for the motor-driven screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121593 CN2891823Y (en) | 2005-12-31 | 2005-12-31 | Light stepless up-down regulating desk and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121593 CN2891823Y (en) | 2005-12-31 | 2005-12-31 | Light stepless up-down regulating desk and chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2891823Y true CN2891823Y (en) | 2007-04-25 |
Family
ID=38059991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520121593 Expired - Fee Related CN2891823Y (en) | 2005-12-31 | 2005-12-31 | Light stepless up-down regulating desk and chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2891823Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000385A (en) * | 2014-05-20 | 2014-08-27 | 雍自威 | Lifting office table |
| CN104720305A (en) * | 2015-03-23 | 2015-06-24 | 绍兴文理学院 | Folding type multifunctional drawing table |
-
2005
- 2005-12-31 CN CN 200520121593 patent/CN2891823Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000385A (en) * | 2014-05-20 | 2014-08-27 | 雍自威 | Lifting office table |
| CN104720305A (en) * | 2015-03-23 | 2015-06-24 | 绍兴文理学院 | Folding type multifunctional drawing table |
| CN104720305B (en) * | 2015-03-23 | 2017-01-11 | 绍兴文理学院 | Folding type multifunctional drawing table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20101231 |