CN202086058U - Waist support plate automatic adjustment device of office chair - Google Patents
Waist support plate automatic adjustment device of office chair Download PDFInfo
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- CN202086058U CN202086058U CN2011200270977U CN201120027097U CN202086058U CN 202086058 U CN202086058 U CN 202086058U CN 2011200270977 U CN2011200270977 U CN 2011200270977U CN 201120027097 U CN201120027097 U CN 201120027097U CN 202086058 U CN202086058 U CN 202086058U
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- waist
- frame
- framework
- support plate
- office chair
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Abstract
A waist support plate automatic adjustment device of an office chair comprises a seat body, a frame body, a back support plate and a waist support plate. Chair legs are arranged at the bottom of the seat body. The bottom end of the frame body is pivoted to the rear side of the seat body. The back support plate is arranged in the front of the frame body and provided with a frame and an outer coating face arranged on the frame. The waist support plate is arranged on the bottom face of the frame of the back support plate. More than one upper mounting groove is arranged close to the bottom side of the frame of the back support plate. More than one upper location hole is arranged in a direction where the frame surface is perpendicular to the upper mounting groove. The waist support plate is provided with a frame and an outer coating face arranged on the frame. At least one bending flexible metal plate is connected between the frame of the back support plate and the frame of the waist support plate. The upper end of a bending flexible metal plate is opposite to the upper mounting groove of the frame to form an upper fixing face. An upper lock hole is arranged at the position of the upper fixing face opposite to the upper location hole and is fixed by an upper bolt. The lower end of the bending flexible metal plate is opposite to a lower mounting groove to form a lower fixing face, and a lower lock hole is arranged at the position of the lower fixing face opposite to a lower location hole and is fixed by a lower bolt. The waist support plate automatic adjustment device has high applicability and the effect of prolonging service life. The performance is not easy to be affected caused by elastic fatigue.
Description
Technical field
It is to utilize crooked flexible metal plate to be connected to lean against root edge by end face that the utility model relates to a kind of waist, and the structure of angle is adjusted in swing automatically, and the waist that relates in particular to a kind of office chair is by adjusting device.
Background technology
Shown in Figure 1A, Figure 1B, be the U.S. the 7th of applicant company, 303, No. 232 patents, it discloses a kind of chair-back adjusting device (BACKREST ADJUSTING DEVICE FOR OFFICE CHAIRS) of office chair, it mainly is a waist to be installed by (attacting body) 12 in the space, stage casing 11 of a back of the body frame (frame) 10, it is to utilize two inverted impulse body (pivots) 13 and spring (spring) 14 to be combined in the body 15, this waist is able in space, stage casing 11 by 12, telescopic resilience with fore-and-aft direction, and can make an angle adjustment.
In addition, the U.S. the 6th, 843, No. 530 patents, disclose a kind of chair back device (MULTI-STAGE BACKREST ASSEMBLY), it leans against (back plate) and is provided in a side of on the bracing frame (support frame), one waist is located at a V-type bar (V-shaped support bar) to lean against (back plate) bottom by (waist plate), this V-type bar other end has an elasticity whirligig (elastic swivel device), it is that installing axle (mounting shaft) and a torque spring (torsion spring), the angle adjustment when providing waist to recline are provided.
Existing waist mostly is to use the elastic force that the spring effect is flexible or angle changes by adjusting device, but no matter is compression spring or torque spring, all easily elastic fatigue and influence performance, the especially comfortableness in flexibility of Tiao Zhenging and the use; Moreover spring must be assemblied on the part, forms the burden of part and assembly cost, and in addition, spring uses long afterwards with the installing axle, easily sends friction noise, and therefore the space of improvement is still arranged.
The utility model content
Technical problem underlying to be solved in the utility model is, overcome the above-mentioned defective that prior art exists, and the waist that a kind of office chair is provided leans on automatic regulating apparatus, it is to cooperate the human body waist location, can elasticity swing along with user's waist, to reach the no section angular adjustment that meets ergonomics, have and make individual waist reach the state that reclines of the most comfortable, also have with simple member and assembling easily, can be with waist by being combined as a whole with leaning against, and its applicability height is difficult for elastic fatigue and influences performance, has the effect of promoting long service life.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of waist of office chair is by automatic regulating apparatus, and comprise: a pedestal, bottom surface have the chair pin; One support body, its bottom is hubbed on the rear side of this pedestal; One leans against, and is to establish this support body the place ahead, and it possesses a framework and is located at outer clad can on this framework; One waist leans on, and is provided in a side of the framework bottom surface that this leans against; It is characterized in that: this leans against the framework bottom side and is provided with the more than one installing groove of going up, and by this framework surface to should go up the installing groove vertically to being provided with the more than one locating hole of going up; This waist is by possessing a housing and being located at outer clad can on this housing, and this housing apical margin is provided with down the following locating hole of installing groove and correspondence with respect to installing groove on this; At least one bent type flexible metal plate, be to be connected this to lean against between framework and the outer frame of waist, groove is installed with respect to going up of this framework in its upper end, form stationary plane on, and should go up stationary plane with respect to position of positioning hole on this, be provided with lockhole, and above locking bolt is fixed, its bottom is with respect to this time installing groove again, form stationary plane, and this time stationary plane has following lockhole with respect to this time position of positioning hole, and following bolting, moreover, on this, form a bite word between the following stationary plane and remove the right one perpendicular curved body of shape, and this mouthful word to remove the right one perpendicular curved body of shape be with on this, following stationary plane locks on this respectively, under install groove after, be arranged in the gap that this leans against framework root edge and the outer frame apical margin of this waist, providing this waist with its flexible resiliency characteristics is the swing link by being able to its top side, and the bottom side is the shape that soars, to reach the no section angular adjustment that meets ergonomics synchronously.
The waist of aforesaid office chair is by automatic regulating apparatus, and wherein bent type flexible metal plate is made of steel plate.
The waist of aforesaid office chair is by automatic regulating apparatus, and the S of gap up and down that the mouth word of wherein bent type flexible metal plate removes the right one perpendicular curved body of shape is less than 3cm, and its front and back depth D is greater than this gap S.
The waist of aforesaid office chair is by automatic regulating apparatus, and its intermediate gap S is 0.5cm～1.5cm.
The waist of aforesaid office chair is by automatic regulating apparatus, the framework that wherein leans against comprises by a front baffle and an afterframe and being formed, and this framework back side is provided with a cross bar, and this cross bar is provided with two parallel vertical sliding sleeves, can adjust the height that this leans against according to this in the top offset lifting of the location division of this support body.
The waist of aforesaid office chair is by automatic regulating apparatus, and wherein the cross section of afterframe is a mouthful word and removes top one horizontal shape groove, and this front baffle is to embed this mouthful word to remove in the top one horizontal shape groove, and utilizes the concavo-convex combination on the two composition surface to be fastened.
The waist of aforesaid office chair is by automatic regulating apparatus, and the housing that its middle part of the side is leaned on comprises by a frame before one and an after-frame and being formed, and this waist is by being to lean against the displacement lifting with this.
The waist of aforesaid office chair is by automatic regulating apparatus, and wherein the cross section of after-frame is a mouthful word and removes top one horizontal shape groove, and this preceding frame is to embed this mouthful word to remove in the top one horizontal shape groove, and utilizes the concavo-convex combination on the two composition surface to be fastened.
The beneficial effects of the utility model are, waist of the present utility model is by also adjusting height along with leaning against up and down synchronously, reach the best user mode that meets ergonomics, it is to cooperate the human body waist location, can elasticity swing along with user's waist, to reach the no section angular adjustment that meets ergonomics, have and make individual waist reach the state that reclines of the most comfortable, also have with simple member and assembling easily, can be with waist by being combined as a whole with leaning against, and its applicability height is difficult for elastic fatigue and influences performance, has the effect of promoting long service life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Figure 1A, Figure 1B are the decomposition and the combination schematic diagrames of the 7th, 303, No. 232 patents of the existing U.S..
Fig. 2 is a stereoscopic schematic diagram of the present utility model.
Fig. 3 is the schematic perspective view that the chair back of the present utility model is not installed outer clad can.
Fig. 4 is a chair back exploded perspective schematic diagram of the present utility model.
Fig. 5 is a chair back combination schematic perspective view of the present utility model.
Fig. 6 is a bent type flexible metal plate schematic perspective view of the present utility model.
Fig. 7 is the cutaway view of bent type flexible metal plate installing of the present utility model.
Fig. 8 is another angle schematic perspective view of the present utility model.
Fig. 9 is a user mode reference diagram of the present utility model.
The number in the figure explanation:
20 pedestals
21 chair pin
30 support bodys
31 bottoms
32 location divisions
40 lean against
Install groove on 41
Locating hole on 42
Bolt on 43
44 frameworks
The 44a front baffle
The 44b afterframe
45 cross bars
46 sliding sleeves
47 outer clad cans
48,56 mouthfuls of words remove top one horizontal shape groove
49,57 combinations
50 waists lean on
51 times installing grooves
52 times locating holes
53 times bolts
54 housings
Frame before the 54a
The 54b after-frame
55 outer clad cans
60 bent type flexible metal plates
Stationary plane on 61
Lockhole on 611
62 times stationary planes
621 times lockholes
63 mouthfuls of words remove the right one perpendicular curved body of shape
70 headrests
The specific embodiment
As Fig. 2～shown in Figure 9, the utility model preferred embodiment comprises:
One pedestal 20, the bottom surface has chair pin 21; One support body 30, its bottom is hubbed on the rear side of this pedestal 20; One leans against 40, is provided in a side of this support body 30 the place aheads, and it possesses a framework 44 and is located at outer clad can 47 on this framework 44, and in the present embodiment, this outer clad can 47 can be mesh cloth and constitutes, but is not limited to this.One waist is provided in a side of this and leans against 40 framework 44 bottom surfaces by 50; More than constituting is to belong to prior art (Prior Art), and non-the utility model technical characterictic holds and do not give unnecessary details.
Principal character of the present utility model is:
These framework 44 bottom sides are provided with the downward opening installing groove 41 of going up more than, and by these framework 44 surfaces to should go up installing grooves 41 vertically to being provided with the more than one locating hole 42 of going up;
This waist possesses a housing 54 and the outer clad can 55 on this housing 54 by 50, and these housing 54 apical margins are provided with opening following installing groove 51 and corresponding following locating hole 52 up with respect to installing groove 41 on this; And;
In the present embodiment, two bent type flexible metal plates 60, be to be connected this to lean against between framework 44 and the outer frame 54 of waist, groove 41 is installed with respect to going up of this framework 44 in its upper end, form stationary plane 61 on, and should go up stationary plane 61 with respect to 42 positions of locating hole on this, be provided with lockhole 611, and above locking bolt 43 is fixed, its bottom is with respect to this time installing groove 51 again, form stationary plane 62, and this time stationary plane 62 has following lockhole 621 with respect to this time locating hole 52 positions, and following bolt 53 is fixed, moreover, on being somebody's turn to do, following stationary plane 61, form a bite word between 62 and remove the right one perpendicular curved body 63 of shape, and it is with on this that this mouthful word removes the right one perpendicular curved body 63 of shape, following stationary plane 61,62 lock on this respectively, under install groove 41, after 51, be arranged in the gap that this leans against framework 44 root edges and outer frame 54 apical margins of this waist, providing this waist to be able to its top side by 50 with its flexible resiliency characteristics is the swing link, and the bottom side is the shape that soars, to reach the no section angular adjustment that meets ergonomics synchronously.
Hold, in the present embodiment, this song type flexible metal plate 60 is made of steel plate, makes it have certain flexible resilient intensity.In a preferred embodiment, the S of gap up and down that the mouth word of this song type flexible metal plate 60 removes the right one perpendicular curved body 63 of shape is less than 3cm, and its front and back depth D is greater than this gap S, as shown in Figure 7.This gap S is that 0.5cm～1.5cm is for best again.The characteristics that this design can make this song type flexible metal plate 60 have splendid elastic force and be difficult for elastic fatigue, it is compared to traditional torque spring, and not only intensity is good, elasticity is excellent and long service life for bent type flexible metal plate 60 of the present utility model; Moreover, it installs convenient, and it must not use rotating shaft, so there is not torque spring easily to send the shortcoming of friction noise, the more important thing is, when user's waist reclines, being able to this mouthful word removes the right curved body 63 of one perpendicular shape and is pivot part, automatically best angle is adjusted in swing, makes us feeling comfortable, and its user mode as shown in Figure 9.
In addition, in the present embodiment, as shown in Figure 4, this leans against 40 framework 44 and comprises by a front baffle 44a and an afterframe 44b and being formed, and these framework 44 back sides are provided with a cross bar 45, and this cross bar 45 is provided with two parallel vertical sliding sleeves 46, can adjust this according to this and lean against 40 height in the location division of this support body 30 32 top offsets.The structure of this location division 32 can adopt the ratchet mode, cooperates the blocking element (not shown) of these vertical sliding sleeve 46 inside to reach, and non-technical characterictic of the present utility model is constructed in this blocking, holds and does not give unnecessary details.
Moreover this waist comprises by a frame 54a before one and an after-frame 54b by 50 housing 54 and being formed, and this waist leans on 50 to be to lean against 40 with this to do the lifting displacement on this support body 30.Again, this leans against and can be provided with a headrest 70 on 40, but is not limited to this.
In the present embodiment, this leans against 40 afterframe 44b and waist is to be a mouthful word respectively to remove top one horizontal shape groove 48,56 by the cross section of 50 after-frame 54b.And front baffle 44a and preceding frame 54a embed this mouthful word respectively to remove in the top one horizontal shape groove 48,56, and utilize the fastening of the concavo- convex combination 49,57 on the two composition surface, or further processing, make up this framework 44 and this housing 54 according to this.
By said structure, the utility model is the connection design that utilizes a bent type flexible metal plate 60, with the formed resiliency characteristics of scratching of its body, make this root edge be the waist of the shape that soars by 50, can be with user's waist elasticity swing angle, to reach the no section angular adjustment that meets ergonomics, make individual waist reach the state that reclines of the most comfortable.Moreover the utility model is with simple member and assembling mode, can with waist by 50 with lean against 40 and be combined as a whole, and it is difficult for elastic fatigue and influences performance and quality, has more the effect of promoting service life.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
In sum, the utility model is on structural design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicality, the regulation that meets relevant novel patent requirement is so mention application in accordance with the law.
Claims (8)
1. the waist of an office chair comprises by automatic regulating apparatus:
One pedestal, bottom surface have the chair pin;
One support body, its bottom is hubbed on the rear side of this pedestal;
One leans against, and is to establish this support body the place ahead, and it possesses a framework and is located at outer clad can on this framework;
One waist leans on, and is provided in a side of the framework bottom surface that this leans against;
It is characterized in that:
This leans against the framework bottom side and is provided with the more than one installing groove of going up, and by this framework surface to should go up the installing groove vertically to being provided with the more than one locating hole of going up;
This waist is by possessing a housing and being located at outer clad can on this housing, and this housing apical margin is provided with down the following locating hole of installing groove and correspondence with respect to installing groove on this;
At least one bent type flexible metal plate, be to be connected this to lean against between framework and the outer frame of waist, groove is installed with respect to going up of this framework in its upper end, form stationary plane on, and should go up stationary plane with respect to position of positioning hole on this, be provided with lockhole, and above locking bolt is fixed, its bottom is with respect to this time installing groove again, form stationary plane, and this time stationary plane has following lockhole with respect to this time position of positioning hole, and following bolting, moreover, on this, form a bite word between the following stationary plane and remove the right one perpendicular curved body of shape, and this mouthful word to remove the right one perpendicular curved body of shape be with on this, following stationary plane locks on this respectively, under install groove after, be arranged in the gap that this leans against framework root edge and the outer frame apical margin of this waist, providing this waist with its flexible resiliency characteristics is the swing link by being able to its top side, and the bottom side is the shape that soars, to reach the no section angular adjustment that meets ergonomics synchronously.
2. the waist of office chair according to claim 1 is by automatic regulating apparatus, and it is characterized in that: described bent type flexible metal plate is made of steel plate.
3. the waist of office chair according to claim 2 is characterized in that by automatic regulating apparatus: the S of gap up and down that the mouth word of described bent type flexible metal plate removes the right one perpendicular curved body of shape is less than 3cm, and its front and back depth D is greater than this gap S.
4. the waist of office chair according to claim 3 is by automatic regulating apparatus, and it is characterized in that: described gap S is 0.5cm～1.5cm.
5. the waist of office chair according to claim 1 is by automatic regulating apparatus, it is characterized in that: the described framework that leans against comprises by a front baffle and an afterframe and being formed, and this framework back side is provided with a cross bar, and this cross bar is provided with two parallel vertical sliding sleeves, can adjust the height that this leans against according to this in the top offset lifting of the location division of this support body.
6. the waist of office chair according to claim 5 is by automatic regulating apparatus, it is characterized in that: the cross section of described afterframe is a mouthful word and removes top one horizontal shape groove, this front baffle is to embed this mouthful word to remove in the top one horizontal shape groove, and utilizes the concavo-convex combination on the two composition surface to be fastened.
7. the waist of office chair according to claim 5 is characterized in that by automatic regulating apparatus: the housing that described waist leans on comprises by a frame before one and an after-frame and being formed, and this waist is by being to lean against the displacement lifting with this.
8. the waist of office chair according to claim 7 is by automatic regulating apparatus, it is characterized in that: the cross section of described after-frame is a mouthful word and removes top one horizontal shape groove, should preceding frame be to embed this mouthful word to remove in the top one horizontal shape groove, and utilize the concavo-convex combination on the two composition surface to be fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200270977U CN202086058U (en) | 2011-01-27 | 2011-01-27 | Waist support plate automatic adjustment device of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200270977U CN202086058U (en) | 2011-01-27 | 2011-01-27 | Waist support plate automatic adjustment device of office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202086058U true CN202086058U (en) | 2011-12-28 |
Family
ID=45361161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200270977U Expired - Fee Related CN202086058U (en) | 2011-01-27 | 2011-01-27 | Waist support plate automatic adjustment device of office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202086058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143159A (en) * | 2018-02-07 | 2018-06-12 | 深圳市华仕杰家居用品有限公司 | Chair back waist support linkage mechanism |
| CN113616019A (en) * | 2021-09-16 | 2021-11-09 | 嘉兴市永泰五金塑料有限责任公司 | Double-back-frame chair back structure |
-
2011
- 2011-01-27 CN CN2011200270977U patent/CN202086058U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143159A (en) * | 2018-02-07 | 2018-06-12 | 深圳市华仕杰家居用品有限公司 | Chair back waist support linkage mechanism |
| CN108143159B (en) * | 2018-02-07 | 2023-08-29 | 深圳市华仕杰家居用品有限公司 | Chair back waist rest linkage mechanism |
| CN113616019A (en) * | 2021-09-16 | 2021-11-09 | 嘉兴市永泰五金塑料有限责任公司 | Double-back-frame chair back structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20111228 Termination date: 20180127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |