CN1393192A - Height regulator for table and chair - Google Patents
Height regulator for table and chair Download PDFInfo
- Publication number
- CN1393192A CN1393192A CN01142944A CN01142944A CN1393192A CN 1393192 A CN1393192 A CN 1393192A CN 01142944 A CN01142944 A CN 01142944A CN 01142944 A CN01142944 A CN 01142944A CN 1393192 A CN1393192 A CN 1393192A
- Authority
- CN
- China
- Prior art keywords
- height
- chair
- pair
- regulate
- regulating part
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/06—Tables with tops of variable height with vertical toothed rack
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B1/00—Hand tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/06—Tables with tops of variable height with vertical toothed rack
- A47B2009/065—Tables with tops of variable height with vertical toothed rack having rack and pinion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Special Chairs (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The present invention provides a height regulator for table or chair. A pair of racks is formed in a pair of guide pipes of a lift bar that connected to the table board of the table or the seat of the chair. Pair of pinions is respectively disposed in a pair of support pipes flexibly inserted into the guide pipes and are connected to a leg base at lower end. These pinions are interconnected by a shaft and engaged with the racks in order to regulate the height of the lift bar by the rotation of the pinions. A regulate member is glidingly fixed around the shaft in order to rotate together with the shaft to drive the pinions rotate, and thereby realize the height regulate operation. The regulate member has plurality of regulate holes that formed in circumference direction and extend in axial direction. A bolt is fixed on one of the support pipes. A spring makes the regulate member offset in one direction in order to insert the bolt into one of the plurality of regulate holes when the height regulate operation is accomplished. In order to separate from the bolt, the regulate member is pulled out in another direction with predetermined distance.
Description
Invention field
The present invention relates to a kind of arrangement for adjusting height that is used for desk or chair, particularly a kind of have the desk simple in structure and easy to use or an arrangement for adjusting height of chair.
Background of invention
If the height of desk or chair is not suitable for user's the bodily form, just be difficult to obtain correct sitting posture, make the use inconvenience of desk or chair.And under the situation of long-time this type of desk of use or chair, user's spine or the flexural deformation of backbone possibility can produce injurious effects to user's health.Thereby people have recognized the need to make a kind of height-adjustable tables and chairs at large and use for the school-ager.In order to address that need, the applicant once disclosed and had inscribeed one's name Korean Utility Model 197389 and the Korean Patent 292579 that is all " arrangement for adjusting height that is used for desk or chair " for the Korean Utility Model 157786 and the autograph of " arrangement for adjusting height that is used for office accommodation ".
The structure of the arrangement for adjusting height of describing in Korean Patent 292579 that is used for desk or chair will be explained as follows.One promotes the body of rod is connected with the lower surface of desk table top part or the lower surface of seats part.Promote the body of rod and comprise a pair of left and right sides guide wire, every guide wire is formed with a tooth bar.A pair of left and right sides support column telescopically separately is enclosed in this in the guide wire of the left and right sides.This is connected to the leg base to left and right sides support column.A pair of pinion is installed in the support column respectively, thereby they can be connected to each other by one.Each pinion partly protrudes from formed opening on the support column, thereby pinion is meshed with tooth bar.One bonding pad with handle portion is positioned in the below of pinion, is meshed so that bonding pad upwards is biased to pinion by spring.Some pins are fixed on the axle, so as they each since the upper and lower side of axle outstanding up and down.When the needs turning cylinder, pin can be wrenched with spanner.If axle is removed under the situation about combining bonding pad and pinion to rotate by pushing handle portion downwards, when pinion rotation, the lifting body of rod can raise by the engagement between pinion and tooth bar or descend so.Like this, just can carry out the highly operation of adjusting.After highly the adjusting operation was finished, if discharge the handle portion of bonding pad, bonding pad will move up by the bias force of spring, be meshed with pinion then, thereby the height that regulates of desk or chair can be kept like this.
But the structure of above-described traditional arrangement for adjusting height has some shortcoming, because except rack-and-pinion, also has bonding pad and independent spanner also must carry out height and regulates operation, makes complicated integral structureization and manufacturing cost is raise.And, because being bias force by spring, complex structure and bonding pad and pinion be engaged with each other, so arrangement for adjusting height is easy to damage.In addition, because spanner and bonding pad must be handled simultaneously to carry out the adjusting of height, when carrying out height adjusting operation, give rise to trouble.Moreover, because spanner preservation separately after use, so the possibility of losing of spanner increases greatly.
Brief summary of the invention
Therefore, the present invention is intended to make great efforts to solve problems of the prior art, the object of the present invention is to provide a kind of arrangement for adjusting height that is used for desk or chair, this device has simple structure so that production cost reduces and the possibility damaged reduces, and allows highly to regulate and operate and can be finished not using under independent instrument or the utensil situation in simple and easily mode.
To achieve these goals, the invention provides a kind of arrangement for adjusting height that is used for desk or chair, this device comprises: a pair of pinion, and they are connected with each other by one and are placed in separately in its bottom and a pair of support column that the leg base is connected; A pair of tooth bar, they are arranged in a pair of guide wire of the lifting body of rod that is connected with the seat part of the table top of desk part or chair, this is connected with the table top part of desk or the seat portion branch of chair to guide wire, so that this can be meshed with a pair of pinion separately to tooth bar; One regulating part, it is installed around axle, drives pinion rotation to carry out desk or chair height adjusting operation so that this assembly can integrally rotate with axle, and regulating part has a plurality of adjustment holes, and all adjustment holes are formed on circumferencial direction and extend with axis direction; One latch, it is fixed on one of two support columns; And a spring, be used for the bias-adjusted part, with when finishing the operation of highly regulating, this latch inserts in one of a plurality of adjustment holes.
Brief Description Of Drawings
Above-mentioned purpose and other characteristics of the present invention and advantage will become clearer after describing in detail below reading in conjunction with the accompanying drawings, wherein:
Fig. 1 is an exploded perspective view, and it shows arrangement for adjusting height one embodiment of the invention, that be used for desk;
Fig. 2 is an exploded perspective view, and it shows the composition member of arrangement for adjusting height of the present invention;
Fig. 3 is a cutaway view, and it shows arrangement for adjusting height of the present invention and forms the situation that member fits together;
Fig. 4 is an exploded perspective view, and it shows the arrangement for adjusting height that the present invention is used for chair.
The detailed description of preferred embodiment
Now will be illustrated preferred embodiment of the present invention in more detail, the example of an embodiment be shown in the accompanying drawing.Every may, will use same numbering to represent identical or similar parts at whole accompanying drawings with in illustrating.
Fig. 1 is an exploded perspective view, represents arrangement for adjusting height one embodiment of the present of invention, that be used for desk; Fig. 4 is an exploded perspective view, and expression the present invention is used for the arrangement for adjusting height of chair.For desk 3, except promoting the body of rod 2 and table top part 4 lower surfaces of desk 3 link to each other, for chair 5, except promoting the body of rod 2 and seat part 6 lower surfaces of chair 5 link to each other, the arrangement for adjusting height that the present invention is used for desk and chair has identical structure.Therefore, arrangement for adjusting height difference each other only is their size, and they have identical composition member, so the following description will mainly concentrate on the arrangement for adjusting height of desk of Fig. 1 to Fig. 3.
Fig. 2 is an exploded perspective view, the composition member of expression arrangement for adjusting height of the present invention.Arrangement for adjusting height comprises the lifting body of rod 2 and a leg base 24.Promote the body of rod 2 and have a pair of left and right sides guide wire 12 and 14, this is to guide wire layout parallel to each other, and a pair of tooth bar 10 of formation on each comfortable surface thereof.Tooth bar 10 extends with the length direction of guide wire.Leg base 24 is provided with a pair of left and right sides support column 16 and 18.Support column 16 is connected with leg base 24 with 18 lower end, and its upper end telescopically inserts the lower end of guide wire 12 and 14.A pair of pinion 22 is installed in separately in a pair of left and right sides support column 16 and 18 and by one 20 and is connected to each other.Each pinion 22 partly protrudes from the opening that forms on support column, whereby, pinion 22 can be meshed with tooth bar 10.
One regulating part 28 around axle 20 be mounted to slidably be in adjacent with right support column 18, axle 20 then makes the left and right pinion 22 of leg base 24 be connected to each other, therefore regulating part can integrally rotate with axle 20 and drive pinion 22 rotations, regulates operation with the height of realizing desk 3 or chair 5.Regulating part 28 has the size and dimension that makes it be easy to be booked.Regulating part 28 has a plurality of adjustment holes 26, and they are formed on circumferencial direction and extend with axial direction.One latch 32 is fixed on the right support column 18 and towards left support column 16 and gives prominence to.One spring 30 makes regulating part 28 be offset to right support column 18 with a direction, so that latch 32 can insert one of a plurality of adjustment holes 26 when finishing performed height adjusting operation, and in order to make regulating part 28 break away from latch 32, regulating part 28 is extracted to another direction by preset distance.
In the above description, axle 20 preferably has the shaft-like configuration of polygon, and regulating part 28 is formed with a polygonal jack 34.Therefore, because polygonal axle 20 is fitted into polygonal jack 34 these facts, regulating part 28 can slide on axle 20 along axis direction, can do integrally to rotate with axle 20 simultaneously.
20 do in the trial of unitary rotation making regulating part 28 axially slide and to drive axle at axle 20, if axle 20 has the shaft-like configuration of an annular and regulating part 28 is provided with annular jack 34, regulating part 28 can be formed with the guide groove that an axis direction extends so, and a pilot pin can be set on axle 20, thereby pilot pin can be plugged in the guide groove.In this case, regulating part 28 can be on axle 20 slippage certain distance to the left or to the right, this distance is equivalent to the length of guide groove, regulating part can integrally rotate with axle 20 simultaneously.Therefore, in the present invention, axle 20 and regulating part 28 can be shaped in every way, as long as regulating part 28 can slide on axle 20 and integrally rotate with axle 20.
On the other hand, the spring 30 that can make regulating part 28 support column 18 biasing to the right is by a spring arch clasp (snap ring) 36 supportings, and these Spring Card threaded shaft 20 cards are joined and are anchored on axle 20.
In the present invention, when rotating on the left and right sides support column 16,18 that is installed in leg base 24 and by axle 20 pinions 22 connected to one another, promoting the body of rod 2 can rise or descend by the engagement between pinion 22 and the tooth bar 10, therefore can regulate the height of desk 3 or chair 5.
And, in the present invention, if rotation pinion 22 that is to say, the height adjusting operation that promotes the body of rod 2 is finished, so when regulating part 28 discharges from hand, regulating part 28 as adjusting device flexibly is offset to right support column 18 by spring 30, so, be formed on the hole that the latch 32 on the right support column 18 inserts a correspondence of a plurality of adjustment holes 26 that pass regulating part 28 formation, so, the desk of adjusting or the height of chair can be kept like this.
When the height that must carry out desk 3 or chair 5 is once more regulated operation, sliding on the axle 20 so that under the situation that the adjustment hole 26 of latch 32 and regulating part 28 breaks away from hand grip regulating part 28 and towards left support column 16, if rotate regulating part 28, promoting the height that to regulate desk or chair when the body of rod 2 rises or descends so with required direction.After highly the adjusting operation is finished, if from hand, discharge the regulating part of being caught 28, regulating part 28 turns back to initial position by the bias force of spring 30, be arranged on latch 32 on the right support column 18 and can insert one who passes a plurality of adjustment holes 26 that regulating part 28 forms through selecting, therefore, promote the body of rod 2 and be maintained fixed, and the height of desk of adjusting 3 or chair 5 can be kept like this with respect to leg base 24.
As mentioned above, in the present invention, the height that promotes the body of rod is to regulate by the rotation of regulating part, and, finish highly regulate operation after, if from hand, discharge the regulating part of catching, when regulating part is subjected to the bias force of spring and when support column moves to the right, one is arranged on latch on the right support column of leg base highlightedly can insert through selecting one who passes a plurality of adjustment holes that regulating part forms, thereby can regulate the height of desk or chair.Therefore, the advantage that is used for the arrangement for adjusting height of desk or chair of the present invention is simple in structure, so that can reduce production cost and reduce the possibility of damaging, and allow highly to regulate to operate under the situation of not using discrete instrument or utensil to be finished.
In drawing and description, disclosed the typical preferred embodiment of the present invention, though used some buzzwords, but these terms only use in general, descriptive viewpoint, rather than be used to limit of the present invention, described in scope of the present invention such as following claims.
Claims (1)
1. arrangement for adjusting height that is used for desk or chair, comprise: a pair of tooth bar, described tooth bar is arranged in the guide wire of the lifting body of rod that the seat part of the table top part of a pair of and desk or chair is connected, with a pair of pinion, they place in a pair of support column separately, this inserts this to the support column telescopically in the guide wire and its lower end is connected with the leg base, described pinion is connected with each other by one, and be meshed with tooth bar, so that the height that promotes the body of rod is regulated in the rotation by pinion, this device comprises:
One regulating part, it is installed around axle slidably, it can integrally be rotated with axle drive pinion rotation, thereby the height that carries out desk or chair is regulated operation, and this regulating part has a plurality of adjustment holes, and they are formed on circumferencial direction and extend with axis direction;
One latch, it is fixed on one of support column, and
One spring is used to make regulating part to setover to a direction, so that latch inserts one of a plurality of adjustment holes when finishing performed height adjusting operation, and in order to break away from latch, regulating part is extracted to another direction by preset distance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020010019298U KR200250529Y1 (en) | 2001-06-27 | 2001-06-27 | Height adjusting device of desk and chair |
| KR200119298 | 2001-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1393192A true CN1393192A (en) | 2003-01-29 |
| CN1172616C CN1172616C (en) | 2004-10-27 |
Family
ID=19708093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011429445A Expired - Fee Related CN1172616C (en) | 2001-06-27 | 2001-11-27 | Height regulator for table and chair |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200250529Y1 (en) |
| CN (1) | CN1172616C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101365361B (en) * | 2006-02-10 | 2010-08-18 | 米凯尔·奥弗高 | Telescopic lifting column for height adjustment of elevatable tables |
| CN101801239B (en) * | 2007-09-13 | 2012-12-26 | 摩尔功能性家具有限责任公司 | Piece of furniture |
-
2001
- 2001-06-27 KR KR2020010019298U patent/KR200250529Y1/en not_active IP Right Cessation
- 2001-11-27 CN CNB011429445A patent/CN1172616C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101365361B (en) * | 2006-02-10 | 2010-08-18 | 米凯尔·奥弗高 | Telescopic lifting column for height adjustment of elevatable tables |
| CN101801239B (en) * | 2007-09-13 | 2012-12-26 | 摩尔功能性家具有限责任公司 | Piece of furniture |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200250529Y1 (en) | 2001-10-19 |
| CN1172616C (en) | 2004-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |