CN1337199A - Adjustable height desk (chair) - Google Patents
Adjustable height desk (chair) Download PDFInfo
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- CN1337199A CN1337199A CN 00137594 CN00137594A CN1337199A CN 1337199 A CN1337199 A CN 1337199A CN 00137594 CN00137594 CN 00137594 CN 00137594 A CN00137594 A CN 00137594A CN 1337199 A CN1337199 A CN 1337199A
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- chair
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- axle
- chair back
- cantilever
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Abstract
The present invention relates to a kind of desk (chair) whose height can be regulated, including desk top (seat of chair), press lever and height control arm and correspondent stopping structure, supporting, base frame, back of chair and regulating component, which characterized by that the desk top (seat of chair) and support are made into one body, on the support the press level and height control arm are set, between the support and base frame the lifting device and stopping component are set, the press level is pressed downward, the support and desk top (seat of chair) can be lifted, then the press level can be lifted, their height control arm also can be lifted for being ready to next lift. Its regulation component for back of chair can be used for regulating distance from back of chair to front edge of seat of chair.
Description
The present invention relates to a kind of table (chair).
In the prior art, the adjusting of table (chair) height is designed to sleeve structure with the leg of table (chair) usually, directly table (chair) face is raised to desired height and sleeve pipe is carried out fasteningly again, the weak point of this structure is inconvenient, often needs collaborative regulate (the especially heavier desktop) of two people.
The object of the present invention is to provide a kind of table (chair) that can regulate height convenient and strength-savingly.
Technical solution of the present invention is as follows: it comprises table (chair) face, depression bar and highly control cantilever and corresponding chocking construction, bracing frame, the pedestal that lands, the chair back and adjusting part thereof (being used for table does not then have).
The present invention is characterised in that: (a) table (chair) face and bracing frame are one; (b) lowering or hoisting gear and retainer are arranged between bracing frame and pedestal; (c) depression bar and " highly controlling cantilever " are arranged on the bracing frame, two groups of axles (its axle center is parallel to each other and is parallel to ground and is parallel to table (chair) edge in front) are arranged on the depression bar, one group of axle flexibly connects depression bar one end and bracing frame with axle, another group axle will " highly be controlled cantilever ", and an end and depression bar flexibly connect with axle, the contact and " highly controlling cantilever " other end and the corresponding chocking construction on being contained in pedestal are remained valid usually, (this contact can make this cantilever can not to lower slider), when depressing depression bar, bracing frame is lifted together with table (chair) face, and (b) described retainer makes the bracing frame can not be to lower slider then; And depression bar is when upwards lifting, and new height will be risen and be parked in to " highly controlling cantilever " (and can not be to lower slider.At this moment, even (b) described retainer is not had an effect, the downslide of table (chair) face also will " highly be controlled cantilever " and (or) depression bar prevent).(highly control cantilever can be more than one group or organize many) more; When (d) being used for chair, the chair back and adjusting part thereof are arranged.
Described lowering or hoisting gear can be the sleeve pipe lifting, comprises column inner core that is attached to (or being equal to) bracing frame and the column external stent that is attached to pedestal, and has and act on the two prevents that the former from gliding in the latter retainer.(this lowering or hoisting gear can be many or many groups).
Described " highly controlling cantilever " and (or) can flexiblely install near the corresponding axle, it is kept in touch with corresponding chocking construction.
Described " highly controlling cantilever " corresponding chocking construction can be and vertically becomes hole and this cantilever one end of row to insert the protrusion in this row hole on pedestal or the column external stent, and this protrusion is less than the hole of correspondence, and can only upwards slide and portal and can not portal to lower slider.
The chair back and adjusting part thereof are arranged when being used for chair, by the chair back, handrail, formations such as chair back angle control spiral arm, seat-back position control member.Chair back handrail is an one, and two groups of axles are arranged under the seat, be used for linking to each other with two groups of angles control spiral arm, one ends (on the same group the axle center of axle on same straight line and two groups of axial lines be parallel).Have on the handrail two groups of axles be used for linking to each other with the other end of two groups " chair back angles control spiral arms " (on the same group the axle center of axle on same straight line and two groups of axle center be parallel.) under the seat on axial line and the handrail of two groups of axles the axial line of two groups of axles be parallel, and be parallel to ground.The line of these four axial lines constitutes a parallelogram (the variable length of side of this parallelogram shape is immutable), and when guaranteeing the mobile chair back of " angle control spiral arm " rotation, the angle of the relative seat of the chair back remains unchanged.The seat-back position control member can be " adjusting screw " that is attached to " chair back angle control spiral arm ".
Aforementioned chair back angle control spiral arm can have the elastic device to its effect, make the chair back continue to be subjected to a power that makes it away from the seat leading edge, and this power is subjected to " seat-back position control spiral arm " and the restriction of the contact point of bracing frame (or seat) bottom or the restriction of aforementioned " adjusting screw ", on this contact point, move (seat lifting), " Position Control spiral arm " is corresponding to the seat leading edge with the contact point ability at chair back rear portion, perhaps aforementioned " adjusting screw " moves down, and the chair back could move to the direction away from the seat leading edge.
The invention has the advantages that: its lifting has utilized lever principle, and lifting is unusual labour-saving.
Obviously, the multiple design of also can extending out according to the present invention.Such as: for steady more some parts can be designed to many groups.Such as: for table is installed drawer and other annex and tabletop shape, change of angle or the like.
Below provide two embodiment by accompanying drawing, specifically the present invention is further described:
Fig. 1 is for being used for the schematic diagram of an embodiment, and wherein a is unitary side (a cuing open) view, and b is part (section) enlarged drawing of a, and c is the schematic diagram of lifting action (depressing depression bar), and d is the schematic diagram of depression bar homing action, and e is overall appearance figure.
Fig. 2 be used for chair the embodiment schematic diagram wherein a be the high figure in whole side, b is part (section) enlarged drawing of a, c is the schematic diagram of lifting action (depressing depression bar).D is depression bar homing action and chair back adjustment action schematic diagram.E is an overall appearance.
All circular stains are represented axle center (turning) among the figure, direction of motion when filled arrows is represented table, seat lifting, hollow arrow is represented the direction of motion of the chair back and control member thereof, have the arrow of oblique line to represent " highly controlling cantilever " and " column inner core " ascent direction.Dotted line is represented invisible position and other part that is blocked of column inner core.The narrow rectangle of black is represented the chocking construction that " highly controlling cantilever " is corresponding.Black block in the enlarged drawing is represented a row hole.
The embodiment that is used for table is referring to Fig. 1.A highly controls cantilever among the figure.Its front end has protrusion (this cantilever makes its front end protrusion often remain valid with stopper element a ' by elastic device and contacts).And stopper element a ' vertically makes several holes at column external stent.(size in hole is held protrusion before being slightly larger than cantilever a), b is the desktop bracing frame, c is column inner core (b and c are one), d is a column external stent, e is pedestal (d and e are one), f is a desktop, and g is the retainer (being jackscrew in the present embodiment) that control column inner core glides in column external stent, and h is a depression bar.
The embodiment that is used for chair is referring to Fig. 2.A highly controls cantilever among the figure, and its front end has protrusion and stopper element a ' often to keep in touch.Stopper element a ' vertically makes several holes at column external stent, (size in hole is held protrusion before being slightly larger than cantilever a).B is the seat bracing frame.C is column inner core (b and c are one), and d is a column external stent, and e is pedestal (d and e are one), and f is a seat.G is the stopper element (being jackscrew in this enforcement) that control column inner core glides in column external stent.H is a depression bar, and i is the chair back.J is a handrail.K is " chair back angle control spiral arm ".L is as " seat-back position control member " " adjusting screw ".
More than among two embodiment, on the depression bar between two groups of axles distance be about 3 to 6 centimetres.
Claims (8)
1. an adjustable for height table (chair) comprises table (chair) face, and depression bar and highly control cantilever and corresponding chocking construction, bracing frame, the pedestal that lands, the chair back and adjusting part thereof (being used for table does not then have) is characterized in that;
(a) table (chair) face and bracing frame are one;
(b) lowering or hoisting gear and retainer are arranged between bracing frame and pedestal;
(c) depression bar and " highly controlling cantilever " are arranged, two groups of axles (its axle center is parallel to each other and is parallel to ground and is parallel to table (chair) edge in front) are arranged on the depression bar, one group of axle flexibly connects depression bar one end and bracing frame top with axle, another group axle will " highly be controlled cantilever ", and an end and depression bar flexibly connect with axle, the contact and " highly controlling cantilever " other end and the corresponding chocking construction on being contained in pedestal are remained valid usually, (this contact make this cantilever can not to lower slider);
When (d) being used for chair, the chair back and adjusting part thereof are arranged.
2. one kind as claimed in claim 1 (chair), it is characterized in that: described lowering or hoisting gear is the sleeve pipe lifting, comprise column inner core that is attached to (or being equal to) bracing frame and the column external stent that is attached to pedestal, and have and act on the two prevents that the former from gliding in the latter retainer.(this lowering or hoisting gear can be many or many groups).
3. a table as claimed in claim 1 or 2 (chair) is characterized in that: have act on " highly controlling cantilever " and (or) elastic device of corresponding axle, it is kept in touch usually with corresponding chocking construction.
4. one kind as claim 1 or 2 or 3 described tables (chair), it is characterized in that: described " highly controlling cantilever " corresponding chocking construction is vertically to become hole and this cantilever one end of row to insert the protrusion in this row hole on pedestal or the column external stent, this protrusion is less than the hole of correspondence, and can only upwards slide and portal and can not portal to lower slider.
5. one kind as claim 1 or 2 or 3 or 4 described chairs, and it is characterized in that: the described chair back and adjusting part thereof comprise the chair back, with the handrail of chair back one, and chair back angle control spiral arm, seat-back position control member.
6. chair as claimed in claim 5, it is characterized in that: two groups of axles are arranged under the seat, be used for linking to each other with two groups of " chair back angle control spiral arm " ends (on the same group the axle center of axle on same straight line and two groups of axial lines be parallel), handrail have two groups of axles be used for linking to each other with the other end of two groups " chair back angles control spiral arms " (on the same group the axle center of axle on same straight line and two groups of axle center be parallel), the axial line of two groups of axles is parallel (and being parallel to the described axial line of claim 1 feature (c)) with the axial line of two groups of axles of handrail under the seat, and the line of these four axial lines constitutes a parallelogram (the variable length of side of this parallelogram shape is immutable).
7. chair as claimed in claim 6 is characterized in that: have act on " chair back angle control spiral arm " and (or) elastic device of corresponding axle, make the chair back continue to be subjected to a power that makes it away from the seat leading edge,
8. one kind as claim 5 or 6 or 7 described chairs, it is characterized in that: described " seat-back position control member " is " adjusting screw " that is attached to " chair back angle control spiral arm ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00137594 CN1337199A (en) | 2000-12-25 | 2000-12-25 | Adjustable height desk (chair) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00137594 CN1337199A (en) | 2000-12-25 | 2000-12-25 | Adjustable height desk (chair) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1337199A true CN1337199A (en) | 2002-02-27 |
Family
ID=4597765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00137594 Pending CN1337199A (en) | 2000-12-25 | 2000-12-25 | Adjustable height desk (chair) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1337199A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7106014B1 (en) * | 2003-04-07 | 2006-09-12 | Krueger International, Inc. | Lectern |
| CN104510177A (en) * | 2013-12-07 | 2015-04-15 | 罗浪平 | Optionally-lifted student desk and chair |
| CN110897401A (en) * | 2019-12-11 | 2020-03-24 | 江西省润华教育装备集团有限公司 | Office soft chair |
-
2000
- 2000-12-25 CN CN 00137594 patent/CN1337199A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7106014B1 (en) * | 2003-04-07 | 2006-09-12 | Krueger International, Inc. | Lectern |
| CN104510177A (en) * | 2013-12-07 | 2015-04-15 | 罗浪平 | Optionally-lifted student desk and chair |
| CN110897401A (en) * | 2019-12-11 | 2020-03-24 | 江西省润华教育装备集团有限公司 | Office soft chair |
| CN110897401B (en) * | 2019-12-11 | 2023-05-05 | 广州市阔虎电子产品有限公司 | Office soft seat |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Lu Zhuang Document name: Deemed as a notice of withdrawal |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |