CN2684654Y - Apparatus for office chair - Google Patents
Apparatus for office chair Download PDFInfo
- Publication number
- CN2684654Y CN2684654Y CNU032649967U CN03264996U CN2684654Y CN 2684654 Y CN2684654 Y CN 2684654Y CN U032649967 U CNU032649967 U CN U032649967U CN 03264996 U CN03264996 U CN 03264996U CN 2684654 Y CN2684654 Y CN 2684654Y
- Authority
- CN
- China
- Prior art keywords
- base body
- chair
- locking
- carriage
- swing
- 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 - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/026—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Springs (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to an apparatus for office chair, which comprises a base body 2, connecting pieces 3, strengthen components 4 used for connecting pieces 3, a chair back bracket 6 used for chair back, a support bracket 22 used for chair seat, elastic supporting pieces 7, a locking mechanism 10 and a driving device 17. The utility model can provide more freedom to the designing and the allocation of the locking mechanism, which has the advantages of high security, convenient operation and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of device that is used for office chair.
Background technology
As everyone knows, office chair all has the parts that can regulate chair height and face upward degree of tilt usually.These known chairs, its chair back even seat support or mounting all can be regulated with respect to the gradient of base body (base body), such as a kind of chair of box-structure, base body and is used for determining that the upper end of chair post of the vertical support of chair is connected.Be actually between base body and the chair post and be affixed on the base body and the conic section that links to each other with the upper end of chair post realizes being connected by one.
Usually a strengthening part can also be set, such as plate, the conical portion of itself and base body and base body is divided into integral body.This strengthening part can prevent the flexural deformation that produces owing to the power of transmitting between conic section and the base body between these parts.More particularly, having a kind of in known device is that only wherein the chair back can tilt, and this device is called as " permanent connecting-type device "; Also have the device of a kind of being called as " asynchronous device ", its chair back and seat support can tilt separately, and a kind ofly can realize synchronous and device proportional inclination, and it makes between the angle of the chair back and seat support has a predetermined ratio; The latter is called as " sychronisation ".Also have a kind of known device, it has the chair back and the seat support of the inclination of connection fixed to one another, is called as " oscillating-type device ".In all above-mentioned examples, flexible member can be set tilt in order to prevention, and by adopting suitable locking device to prevent the swing of back part selectively.These locking devices generally comprise a plurality of locking seat boards (retaining seating) and at least one locking element, are used for being installed in selectively on these locking seat boards so that the swing of back part is locked.This locking element can move between a latched position and an equilbrium position at least, and locking element cooperates with seat board on latched position, and locking element allows swing on the equilbrium position.This locking element operationally is connected with the chair back usually, but it also can be connected with seat support, particularly in " asynchronous device ", can a locking element be set respectively for the chair back and seat support.
Usually, the locking seat board is set on the suitable add ons, and this element is installed on the base body also fixedly connected with it so that cooperate with locking element with a suitable position, and perhaps they are set directly in the base body.
The prior art of sketching above has some defectives.When the locking seat board was set on the add ons of base body, structure was just complicated more, and also needs when mounted these elements are further operated, and this will increase the manufacturing cost of device again.
Under another situation, directly will lock seat board and be arranged on the base body, can reduce the cost of device, but also reduced the freedom that seat board and locking device can chosen positions is set.As a result, more problems will be in the Design of device process, brought, and the complexity of device can be increased in some cases.In addition, because base body is provided with through hole, because the user has more opportunity to touch locking element, but also there is aesthetic problem in problem that also can the initiating device security.
The utility model content
In the case, technical problem to be solved in the utility model provides a kind of device that is used for office chair, so that can be from overcoming above-mentioned technological deficiency in essence.In the scope of the technical problem that will solve, a free-revving engine of the present utility model provides a kind of device that is used for office chair, and it provides the better free degree with relevant configuration can for the design of retaining mechanism.A purpose more of the present utility model is, a kind of device that is used for office chair is provided, and it has very high safety in utilization and does not additionally show hinders element attractive in appearance.Another purpose of the present utility model provides a kind of device that is used for office chair, and it can finish the required effect that reaches fast, easily.At last, technical purpose of the present utility model provides a kind of device that is used for office chair, and it has significantly reduced manufacturing cost.The above-mentioned technical assignment that the utility model proposes and the purpose of regulation are by providing a kind of device that is used for office chair to realize, it is characterized in that it comprises following one or more technical characterictics that claims limited.To descend in conjunction with the accompanying drawings below, to preferably but be not that unique embodiment is described it only is a limiting examples of the present utility model according to one of device of the present utility model, wherein:
Description of drawings
Fig. 1 is a kind of vertical view that is used for the device of office chair;
Fig. 2 is the vertical view that device shown in Figure 1 saves some internal parts;
Fig. 3 is the cross-sectional view along the intercepting of the section line III-III among Fig. 1;
Fig. 4 is and the similar view of Fig. 3 that wherein a locking element is installed on the first locking seat board;
Fig. 5 is and the similar view of Fig. 3 that wherein device is in a kind of operating position of inclination;
Fig. 6 is and the similar view of Fig. 5 that wherein a locking element is inserted on the second locking seat board.
The specific embodiment
Shown in Fig. 1-6, the device that is used for office chair of the present utility model is represented with Reference numeral 1.This device 1 can be used for office chair, and it comprises a base body 2, and this base body 2 preferably determines that with one the upper end of chair post of the vertical support of chair combines by a connection piece 3.Preferably the end is tapered for this connector 3, and firmly is connected with base body 2.This device 1 also comprises a strengthening part 4, and this strengthening part 4 is used to connect base body 2 and connector 3.This strengthening part 4 preferably is made of a shape plate, and this shape plate is fixed on the base body 2; By means of this shape plate, what can prevent effectively that the effect of the bigger power of being born because of this connector 3 from causing fractures or the mutual disengaging of element itself and base body 2.The Support bracket 6 of backrest is connected with base body 2 pivots at first hinge, 5 places.Also an elastic supporting member for supporting optical member 7 is plugged between Support bracket 6 and the base body 2, so that backrest returns to the upright position.This elastic supporting member for supporting optical member 7 comprises the spring 8 of at least one linear deformation, preferably a kind of helical compression or tension spring.One end of this spring 8 is connected on the base body 2, and the other end links to each other with cross bar 15 on the Support bracket that is fixed to backrest.Parts 9 can also be set, be used for the initial load of regulating spring 8,, repeat no more here because this is known type.Device 1 also comprises a mechanism 10, so that can selectively the swing of back rest supports carriage 6 with respect to base body 2 be locked at least.This retaining mechanism 10 comprises a plurality of at least first locking seat board 11 and at least one first locking element 12.According to the utility model, this locking seat board 11 is formed on the strengthening part 4.The Support bracket 6 of this locking element 12 and backrest is connected, and matches and lock with the swing with Support bracket 6 with locking seat board 11 selectively.Locking element 12 is made of a lever 13, and first end of lever 13 is hinged on the back rest supports carriage 6, is provided with a pallet 14 at its second end, and this pallet 14 is assembled in one of them locking seat board 11.Particularly, lever 13 is assemblied on the cross bar 15 pivotly, and this cross bar 15 is fixed on the back rest supports carriage 6.The cross bar 15 that is used for connecting locking element 12 and back rest supports carriage 6 preferably is slidably inserted into a slit 16 that is formed on the base body 2.Device 1 also comprises the known drive unit 17 that is used for operating swing retaining mechanism 10, it comprises the shift bar 20 that a control lever that stretches out 18, first cam 19, one end are connected with this first cam 19 in fact from base body 2, and second cam 21, it links to each other with second end of this shift bar 20.This second cam 21 operationally acts on the locking element 12, controls so that locking element 12 is inserted locking seat board 11.This locking element 12 is provided with a returning spring, and shown in Fig. 3,5, when second cam 21 was in a retracted position, this spring can make locking element itself extract out from locking seat board 11.Device 1 also comprises at least one seat support carriage 22, and it is installed in the top position of base body 2.In the diagram illustrated embodiment, for example in " sychronisation ", in a kind of and proportional mode of swing back rest supports carriage 6, seat support carriage 22 operationally is connected with back rest supports carriage 6 with base body 2, in order to swing with respect to base body 2.In this embodiment, seat support carriage 22 is connected with back rest supports carriage 6 pivotly by second hinge 24, and is connected pivotly with base body 2 by the 3rd hinge 25, and hinge 25 is plugged on a slit 26 that is arranged in base body 2.Belong in the preferred embodiment of swinging type a kind of, seat support carriage 22 can be connected on the back rest supports carriage 6 rigidly, and can tilt with the latter.In a second embodiment, device 1 is a kind of " permanent connecting-type device ", and seat support carriage 22 is firmly connected on the base body 2, and only just backrest recedes.In the 3rd embodiment, it is the sort of known " asynchronous device " type, and seat support carriage 22 is connected with base body 2 pivotly, can swing with respect to base body 2 to show a kind of mode that is independent of back rest supports carriage 6.In the case, the elastic supporting member for supporting optical member 7 with second spring is plugged between seat support carriage 22 and the base body 2.In addition, retaining mechanism 10 also comprises a plurality of locking seat board 11 of second on the strengthening part 4 and second locking elements 12 of being formed at, and this locking element 12 is connected with seat support carriage 22 and cooperates with the wobble lock with carriage 22 with the described second locking seat board selectively.Device 1 comprises that also one is used to regulate the mechanism 23 of described chair height, because it is a known technology, repeats no more here.Said apparatus 1 can be suitable for any chair that relies on parts that is provided with, usually it is provided with a chair back that is fixed on the chair back carriage 6, one is fixed to the seat support on the seat support carriage 22, one is shelved on the vertical chair post on the bearing, and may also be useful on the support arm of the upper limb body that supports the user.
To carry out the description of operating process to the device of its primary structure described above below.When drive unit 17 was in a non-locked position, after the user took, because the effect of gravity, the back part of chair can freely tilt, and elastic supporting member for supporting optical member 7 is subjected to a suitable reaction force.When drive unit 17 was positioned at a latched position, locking element 12 was inserted in the seat board that locks in the seat board 11, and the swing of chair just has been prevented from.
The utility model has many advantages.In fact, make it possible to freely select better the design and the location of retaining mechanism according to device of the present utility model.In addition, this device also has safe handling property and gratifying aesthetic property because on its base body without any perforation, thereby, can not contact or see any part of retaining mechanism from the outside of base body.It is to be further understood that the above-mentioned apparatus structure that is used for office chair assembles simply again fast.And, also have economically superiority according to device of the present utility model, because it need be in order to not form the annex of base body thereon, so this device has reduced manufacturing cost widely.
Obviously, can make many modifications and variations according to device of the present utility model, and all not break away from the scope of the utility model technical characterictic required for protection.All parts can replace with technical close element, and in practice, can determine the material and the size that are adopted according to actual needs.
Claims (8)
1. device that is used for office chair comprises:
One base body (2), this base body (2) are used to form the vertical support of chair by a connection piece (3) and the upper end of chair post is connected;
One strengthening part (4), it is connected on this connector (3), and is fixed on the described base body (2);
One is used for the backrest bracket (6) of the chair back, and it is connected with described base body (2) pivotly;
One is used for the support of seat support, and it is installed in the upper end of described base body (2);
Elastic supporting member for supporting optical member (7), it is plugged between described backrest bracket (6) and the base body (2);
One is used for mechanism (10) that the described backrest bracket (6) of the chair back is locked with respect to the swing of described base body (2), this locking mechanism (10) comprises a plurality of at least first locking seat board (11) and at least one first locking elements (12), and this locking element (12) is connected with the described backrest bracket (6) of the chair back and cooperates with the wobble lock with described backrest bracket (6) with described locking seat board (11) selectively;
Drive unit (17) drives the locking mechanism (10) that is used to lock swing;
It is characterized in that: described locking seat board (11) is formed on the described strengthening part (4).
2. device as claimed in claim 1 is characterized in that: described strengthening part (4) comprises that one is fixed to the plate on the described base body (2).
3. device as claimed in claim 1 or 2 is characterized in that: the carriage of described seat support (22) is fixed on the described base body (2).
4. device as claimed in claim 1 or 2, it is characterized in that: described seat support carriage (22) is operably connected with described base body (2), and be operably connected with the backrest bracket (6) of the described chair back, so that, and swing with respect to base body (2) in a kind of and proportional mode of swing back rest supports carriage (6).
5. device as claimed in claim 4 is characterised in that: described seat support carriage (22) is fixed on the described backrest bracket (6).
6. device as claimed in claim 1 or 2, it is characterized in that: described seat support carriage (22) is connected pivotly with described base body (2), so that can swing with respect to base body (2) in a kind of mode that is independent of described back rest supports carriage (6); Described flexible support members (7) is arranged between described seat support carriage (22) and the base body (2); Described locking mechanism (10) also comprises and a plurality ofly is formed at second on the described strengthening part (4) locking seat board (11) and second locking element (12) that is connected with described seat support carriage (22), and locks with described a plurality of second that seat boards (11) cooperate selectively so that the swing of seat support carriage (22) itself is locked.
7. as the described device of above-mentioned each claim, it is characterized in that: described locking element (12) comprises a lever (13), first end of this lever is hinged on the described backrest bracket (6), its second end is provided with a pallet (14), and this pallet is used for being joined in one of them seat board that is inserted in described locking seat board (11).
8. chair, it is characterized in that: it comprises as the described device of above-mentioned each claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITBS20020059 ITBS20020059U1 (en) | 2002-05-17 | 2002-05-17 | MECHANISM FOR OFFICE CHAIRS AND SIMILAR |
| IT000059U/2002 | 2002-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684654Y true CN2684654Y (en) | 2005-03-16 |
Family
ID=27764153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032649967U Expired - Lifetime CN2684654Y (en) | 2002-05-17 | 2003-05-16 | Apparatus for office chair |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN2684654Y (en) |
| DE (1) | DE20307392U1 (en) |
| ES (1) | ES1055092Y (en) |
| FR (1) | FR2841112B3 (en) |
| IT (1) | ITBS20020059U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018057639A (en) * | 2016-10-06 | 2018-04-12 | コクヨ株式会社 | Chair |
-
2002
- 2002-05-17 IT ITBS20020059 patent/ITBS20020059U1/en unknown
-
2003
- 2003-05-12 DE DE20307392U patent/DE20307392U1/en not_active Expired - Lifetime
- 2003-05-16 FR FR0305891A patent/FR2841112B3/en not_active Expired - Lifetime
- 2003-05-16 ES ES200301193U patent/ES1055092Y/en not_active Expired - Fee Related
- 2003-05-16 CN CNU032649967U patent/CN2684654Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018057639A (en) * | 2016-10-06 | 2018-04-12 | コクヨ株式会社 | Chair |
Also Published As
| Publication number | Publication date |
|---|---|
| ES1055092U (en) | 2003-10-16 |
| FR2841112B3 (en) | 2004-05-07 |
| ES1055092Y (en) | 2004-02-01 |
| FR2841112A3 (en) | 2003-12-26 |
| DE20307392U1 (en) | 2003-08-14 |
| ITBS20020059U1 (en) | 2003-11-17 |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130516 Granted publication date: 20050316 |