CN102934918A - Seat lumbar rest adjustment structure - Google Patents
Seat lumbar rest adjustment structure Download PDFInfo
- Publication number
- CN102934918A CN102934918A CN2011102325076A CN201110232507A CN102934918A CN 102934918 A CN102934918 A CN 102934918A CN 2011102325076 A CN2011102325076 A CN 2011102325076A CN 201110232507 A CN201110232507 A CN 201110232507A CN 102934918 A CN102934918 A CN 102934918A
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- China
- Prior art keywords
- throw rod
- section
- keeper
- waist
- rod
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- 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.)
- Pending
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention relates to a seat lumbar rest adjustment structure, which includes an adapting seat that is formed at the lower end of a back rest to cooperate with the spanning and locating of a left rod segment and a right rod segment at the lower end of a lumbar rest. A truncated rod segment running through to the lumber rest at the lower end of the back rest combines with the back rest adapting seat to form an angle adjustment assembly. When a lumbar rest assembly disposed at the back rest lower end needs to be adjusted for forward and backward displacement, a throw rod is pulled backward so as to make the corresponding levels of a locating piece and a moving piece nested therein in a convex part-convex part mutually abutted free state, thus being in favor of the hands to make required direction adjustment to the lumbar rest. Then, the throw rod is put back to its original state to make the corresponding levels of the locating piece and the moving piece in a concave part-convex part mutually abutted buckled state, so that when adjusting the forward and backward direction of the lumbar rest assembly, a preset most comfortable leaning position can be reached only through simple operations.
Description
Technical field
The present invention relates to seat, refer to that especially a kind of back of chair adjusts structure, the waist that is located at position, seat front side when group is when doing the front and back position adjusting, and the present invention can reach by easy operation default optimal comfort against effect.
Background technology
Existing chair tool during fabrication, for making the user can obtain the comfortable function be seated in, capital in the seat support unit of chair tool and chair back unit or associated components be provided with an adjustment function with mobility, in use can be according to the required orientation adjustment of making the most comfortable of individual in order to the chair tool.
Summary of the invention
Main purpose of the present invention is to provide a kind of back of chair to adjust structure, and its direction adjusting structure and group of further improving existing seat is established existing inconvenience, and making to regulate the integrated member that waist leans on can effectively simplify, and can reach required anteversion and retroversion orientation and regulate.
For achieving the above object, a kind of back of chair provided by the present invention is adjusted structure, and the waist that is arranged on position, seat front side comprises by the group body: the stacker that an end forms on the lower, a waist at the chair back lean on and an angular adjustment group body; It is characterized in that: the through hole that the stacker of the described chair back respectively is concaved with breach and runs through in the both sides of spacing, during the left and right bar section formed in described waist lower side can bridge respectively in described breach and described right bar section is arranged in to described through hole, the end of described right bar section is also extended and is provided with one section containing part; Described angular adjustment group body comprises a throw rod, the leading portion flange of described throw rod runs through side plate, and respectively be arranged with one section energy in the both sides of the inner aspect of described side plate outside pad is buckled into to space wherein, the horizon bar section that described throw rod abuts flange one side is equipped with at least one or above clamping piece and dial and cut part together, and makes described clamping piece and described group cut part to be being inserted in of staggering; An adjacent side along the horizon bar section of described throw rod forms the threaded rod section with a plane, be equipped with keeper and movable part on described threaded rod section, the corresponding aspect of described keeper and described movable part forms the jog of spacing, when leaning, jog each other is buckling state, be free state when the protuberance of described keeper and described movable part and protuberance lean, a nut revolves the end that is locked in described threaded rod section and forms the orientation restriction; The containing part that is arranged on described right bar section end is applied in each on described throw rod and dials and cut in the hole that part one end forms, and the breach that each described clamping piece one end forms can buckle on the catch of establishing in described stacker one side bottom group; One section bar section that described throw rod end extends runs through the hole by the respective rods section into described waist, and make group be located at the outer side plate of described throw rod can with a side of described stacker against, and do the orientation restriction by the solid assembly of several spiral shells, the left bar Duan Ze of described waist lower side is covered by the top product, and utilizes the solid assembly of spiral shell to do the orientation restriction; When described waist is done and moved forward and backward while regulating by the group body, first described throw rod is dialled backwards, make the corresponding aspect of described keeper therebetween of fit and described movable part be the free state that protuberance and protuberance lean, afterwards, again described throw rod is reversed to original state, make the corresponding aspect of described keeper and described movable part be the buckling state that jog leans.
In the technical scheme of the invention described above, between the outside pad on the horizon bar section of described throw rod and described clamping piece, be equipped with at least together or the pad together.
Keeper one end be located on the threaded rod section of described throw rod forms protuberance, in the predetermined position of described movable part periphery, towards described keeper, extends a turning point, can form the boundary of a rotating range while dialling after described throw rod.
Described stacker is concaved with the outer peripheral short slot that forms larger wide cut of a side of through hole, and the described keeper and the described movable part that make to be linked on described throw rod have an admissible space when action.
The nut inboard of revolving on the threaded rod section that is locked in described throw rod is combined with check washer.
Adopt technique scheme, the present invention is when regulating waist by position, due to throw rod is dialled backwards, the corresponding aspect that just can make to be linked in keeper on throw rod and movable part is the free state that protuberance and protuberance lean, dialling the containing part formation that the hole cut part one end and waist lower side respective rods section extend pins down, and the catch that the breach of clamping piece and keeper one end is established by chair back lower end stacker one side bottom group buckles, make throw rod when displacement only each dial cut part and movable part can be along with rotation, therefore facilitate the user to waist by doing required orientation adjusting.When being adjusted to default waist by behind position, again throw rod is reversed to original state, can make the corresponding aspect of keeper and movable part be the buckling state that jog leans, make thus waist by organizing body when doing the front and back position adjusting, can reach by easy operation default optimal comfort rest position.
The accompanying drawing explanation
Fig. 1 outside drawing by the group body that is seat of the present invention in conjunction with waist;
Fig. 2 is seat portion of the present invention and the waist detail drawing by the group body;
Fig. 3 is the member decomposing schematic representation of waist of the present invention by the group body;
Fig. 4 is the 40 position detail drawings of Fig. 3;
Fig. 5 is seat portion of the present invention and the waist side view by the group body;
Fig. 6 is that the present invention is combined in the front cross-sectional view of the waist of seat by the group body;
Fig. 7 is the 70 position detail drawings of Fig. 6;
Fig. 8 is the sectional view along 80-80 hatching line in Fig. 7;
Fig. 9 is the sectional view along 90-90 hatching line in Fig. 7;
Figure 10 is the schematic diagram of dialling after waist of the present invention is made throw rod before adjustment by the group body;
Figure 11 is that waist of the present invention is by the front-view schematic diagram of group body when adjusting;
Figure 12 is the 120 position detail drawings of Figure 11;
Figure 13 is the sectional view along 130-130 hatching line in Figure 12;
Figure 14 is the sectional view along 140-140 hatching line in Figure 12.
The specific embodiment
Now lift following examples and by reference to the accompanying drawings structure of the present invention and effect be elaborated.
As shown in FIG. 1 to 3, for back of chair provided by the present invention is adjusted structure, the waist that group is located at seat 7 positions, front side comprises by group body 6: the stacker 11 that an end forms on the lower, a waist at the chair back 1 lean on 2 and one angular adjustment group body 5.
The through hole 13 (as shown in Figure 3) that the stacker 11 of the chair back 1 respectively is concaved with breach 12 and runs through in the both sides of spacing, be arranged in through hole 13 in breach 12 and by right bar section 22 so that the left and right bar section 21,22 that waist forms by 2 lower ends can bridge respectively (as shown in Figure 2), in the end of right bar section 22, also extend and be provided with one section containing part 23.
Angular adjustment group body 5 comprises a throw rod 3, and the flange 31 of its leading portion runs through side plate 4 (as shown in Fig. 3, Fig. 7), and respectively is arranged with one section space 41 in the both sides of side plate 4 inner aspects, so that outside pad 42 is buckled into wherein.The horizon bar section 32 that throw rod 3 abuts flange 31 1 sides runs through at least one or above clamping piece 35 and dial and cut part 36 together, and clamping piece 35 is cut part 36 for being being inserted in of staggering with dialling, can be in good time on the horizon bar section 32 between between outside pad 42 and clamping piece 35 wear at least together or the pad 37 together, make the stir function that wide cut can have motor-driven adjusting of waist by group body 6.An adjacent side in throw rod 3 horizon bar sections 32 forms the threaded rod section 33 with a plane 331, can run through keeper 38 and movable part 39 (as shown in Fig. 3, Fig. 7), the corresponding aspect of keeper 38 and movable part 39 forms the jog 381,391 of spacing, make jog each other be buckling state (as shown in Figure 7) when the protuberance of the corresponding opposite side of recess of a side leans, and protuberance and protuberance be free state (as shown in figure 12) while leaning, recycle a nut 332 and revolve the end that is locked in threaded rod section 33 and form orientation restriction (as shown in Fig. 3, Fig. 7).
Each of being inserted in throw rod 3 is dialled the end cut part 36 and is formed porose 361, cut part 36 and be located in waist by the containing part 23 of the right bar section 22 of 2 lower ends (as shown in Fig. 3, Fig. 4, Fig. 8) dialling, and the breach 351 that each clamping piece 35 1 end is formed can buckle in the catch 14 of establishing in the chair back 1 lower end stacker 11 1 side bottom groups.One section bar section 34 that throw rod 3 ends extend to arrange runs through in the hole 24 of waist by 2 right bar section 22, group is located at the outer side plate of throw rod 34 and is resisted against the chair back 1 lower end stacker 11 1 sides (as shown in Figure 6, Figure 7), and apply the orientation restriction with the solid assembly 43 of several spiral shells, waist is covered in top product 25 (as shown in Fig. 3, Fig. 6) by the left bar section 21 of 2 lower ends, and applies the orientation restriction with the solid assembly 26 of spiral shell.
33 of threaded rod sections run through into an end of keeper 38 form protuberance 382 (as shown in Figure 3), predeterminated position at movable part 39 peripheries extends a turning point 392 towards keeper 38, can form the boundary (as shown in Figure 9) of a rotating range when throw rod 3 is dialled backward.
Establish waist in group and be concaved with the short slot 15 (as shown in Fig. 3, Fig. 8) of the larger wide cut of outer periphery formation of through hole 13 1 sides by the stacker 11 of the chair back 1 lower end of group body 6, in order to the keeper 38 and the movable part 39 that are linked on throw rod 3, there is an admissible space (as shown in figure 13) when moving.
Revolve nut 332 inboards that are locked on threaded rod section 33 and be combined with check washer 333 (as shown in Figure 3), make to be set in each clamping piece 35 on the horizon bar section 32 of throw rod 3 and dial cut part 36 can better packing.
The waist that is located at the chair back 1 lower end when group need to be moved forward and backward while regulating by group body 6, as Fig. 1, shown in Fig. 5, first throw rod 3 is dialled backwards (as Figure 10, shown in Figure 11), so that the corresponding aspect of keeper on throw rod 3 38 and movable part 39 that is linked in is the free state (as shown in figure 12) that protuberance and protuberance lean, now dial the hole 361 of cutting part 36 1 ends and pin down (as shown in figure 13) because with waist, leaning on the containing part 23 of 2 lower end respective rods sections 22 extensions to form, and the breach 351 of clamping piece 35 and keeper 38 1 ends, the catch 14 that the 383 11 1 side bottom groups of the stacker by the chair back 1 lower end are established buckles, only each is dialled and to cut part 36 and movable part 39 can be along with rotation when displacement to make throw rod 3, facilitate the user to do required orientation to waist by 2 and regulate (as shown in figure 14).When being adjusted to default waist by behind position, again throw rod 3 is reversed to original state (as shown in Figure 5), can make the corresponding aspect of keeper 38 and movable part 39 be the buckling state (as shown in Figure 6, Figure 7) that jog leans, make waist by group body 6 when doing front and back position and regulate, can reach by easy operation default optimal comfort against.
Claims (5)
1. a back of chair is adjusted structure, and the waist that is arranged on position, seat front side comprises by the group body: the stacker that an end forms on the lower, a waist at the chair back lean on and an angular adjustment group body;
It is characterized in that: the through hole that the stacker of the described chair back respectively is concaved with breach and runs through in the both sides of spacing, during the left and right bar section formed in described waist lower side can bridge respectively in described breach and described right bar section is arranged in to described through hole, the end of described right bar section is also extended and is provided with one section containing part;
Described angular adjustment group body comprises a throw rod, the leading portion flange of described throw rod runs through side plate, and respectively be arranged with one section energy in the both sides of the inner aspect of described side plate outside pad is buckled into to space wherein, the horizon bar section that described throw rod abuts flange one side is equipped with at least one or above clamping piece and dial and cut part together, and makes described clamping piece and described group cut part to be being inserted in of staggering; An adjacent side along the horizon bar section of described throw rod forms the threaded rod section with a plane, be equipped with keeper and movable part on described threaded rod section, the corresponding aspect of described keeper and described movable part forms the jog of spacing, when leaning, jog each other is buckling state, be free state when the protuberance of described keeper and described movable part and protuberance lean, a nut revolves the end that is locked in described threaded rod section and forms the orientation restriction;
The containing part that is arranged on described right bar section end is applied in each on described throw rod and dials and cut in the hole that part one end forms, and the breach that each described clamping piece one end forms can buckle on the catch of establishing in described stacker one side bottom group; One section bar section that described throw rod end extends runs through the hole by the respective rods section into described waist, and make group be located at the outer side plate of described throw rod can with a side of described stacker against, and do the orientation restriction by the solid assembly of several spiral shells, the left bar Duan Ze of described waist lower side is covered by the top product, and utilizes the solid assembly of spiral shell to do the orientation restriction;
When described waist is done and moved forward and backward while regulating by the group body, first described throw rod is dialled backwards, make the corresponding aspect of described keeper therebetween of fit and described movable part be the free state that protuberance and protuberance lean, afterwards, again described throw rod is reversed to original state, make the corresponding aspect of described keeper and described movable part be the buckling state that jog leans.
2. back of chair as claimed in claim 1 is adjusted structure, it is characterized in that: between the outside pad on the horizon bar section of described throw rod and described clamping piece, be equipped with at least together or the pad together.
3. back of chair as claimed in claim 1 is adjusted structure, it is characterized in that: keeper one end be located on the threaded rod section of described throw rod forms protuberance, predetermined position at described movable part periphery is extended a turning point towards described keeper, can form the boundary of a rotating range while dialling after described throw rod.
4. back of chair as claimed in claim 1 is adjusted structure, it is characterized in that: described stacker is concaved with the outer peripheral short slot that forms larger wide cut of a side of through hole, and the described keeper and the described movable part that make to be linked on described throw rod have an admissible space when action.
5. back of chair as claimed in claim 1 is adjusted structure, and it is characterized in that: the nut inboard of revolving on the threaded rod section that is locked in described throw rod is combined with check washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102325076A CN102934918A (en) | 2011-08-15 | 2011-08-15 | Seat lumbar rest adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102325076A CN102934918A (en) | 2011-08-15 | 2011-08-15 | Seat lumbar rest adjustment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102934918A true CN102934918A (en) | 2013-02-20 |
Family
ID=47693875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102325076A Pending CN102934918A (en) | 2011-08-15 | 2011-08-15 | Seat lumbar rest adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102934918A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886967A (en) * | 2015-06-15 | 2015-09-09 | 廖尚军 | Chair with telescopic lumbar cushion |
| GB2543565A (en) * | 2015-10-23 | 2017-04-26 | Ratstands Ltd | Stackable chair |
| 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 |
| CN113827060A (en) * | 2021-10-19 | 2021-12-24 | 浙江粤强家具科技有限公司 | Waist leans on position and removes governing system, waist leans on subassembly and swivel chair |
| JP7401153B1 (en) * | 2023-10-11 | 2023-12-19 | 有限会社オフィスｐｉａｎｏ柏木 | Chair |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182533A (en) * | 1978-12-26 | 1980-01-08 | Uop Inc. | Seat backrest having an adjustable lumbar support |
| US5588703A (en) * | 1995-10-12 | 1996-12-31 | Tachi-S Co., Ltd. | Lumbar support device for vehicle seat |
| US20070120405A1 (en) * | 2005-11-28 | 2007-05-31 | Kuo-Ching Chou | Angle adjustment mechanism for lumbar support of chair backrest |
| CN101108049A (en) * | 2006-07-20 | 2008-01-23 | 周国卿 | Improved structure for a chair |
-
2011
- 2011-08-15 CN CN2011102325076A patent/CN102934918A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182533A (en) * | 1978-12-26 | 1980-01-08 | Uop Inc. | Seat backrest having an adjustable lumbar support |
| US5588703A (en) * | 1995-10-12 | 1996-12-31 | Tachi-S Co., Ltd. | Lumbar support device for vehicle seat |
| US20070120405A1 (en) * | 2005-11-28 | 2007-05-31 | Kuo-Ching Chou | Angle adjustment mechanism for lumbar support of chair backrest |
| CN101108049A (en) * | 2006-07-20 | 2008-01-23 | 周国卿 | Improved structure for a chair |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886967A (en) * | 2015-06-15 | 2015-09-09 | 廖尚军 | Chair with telescopic lumbar cushion |
| GB2543565A (en) * | 2015-10-23 | 2017-04-26 | Ratstands Ltd | Stackable chair |
| GB2543565B (en) * | 2015-10-23 | 2019-10-09 | Ratstands Ltd | Stackable chair |
| 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 |
| CN113827060A (en) * | 2021-10-19 | 2021-12-24 | 浙江粤强家具科技有限公司 | Waist leans on position and removes governing system, waist leans on subassembly and swivel chair |
| JP7401153B1 (en) * | 2023-10-11 | 2023-12-19 | 有限会社オフィスｐｉａｎｏ柏木 | Chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20151216 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |